diff options
Diffstat (limited to 'src/libs/date')
| m--------- | src/libs/date | 0 | ||||
| -rw-r--r-- | src/libs/date/includes/date/chrono_io.h | 34 | ||||
| -rw-r--r-- | src/libs/date/includes/date/date.h | 7947 | ||||
| -rw-r--r-- | src/libs/date/includes/date/ios.h | 50 | ||||
| -rw-r--r-- | src/libs/date/includes/date/islamic.h | 3031 | ||||
| -rw-r--r-- | src/libs/date/includes/date/iso_week.h | 1751 | ||||
| -rw-r--r-- | src/libs/date/includes/date/julian.h | 3046 | ||||
| -rw-r--r-- | src/libs/date/includes/date/ptz.h | 627 | ||||
| -rw-r--r-- | src/libs/date/includes/date/tz.h | 2775 | ||||
| -rw-r--r-- | src/libs/date/includes/date/tz_private.h | 316 | ||||
| -rw-r--r-- | src/libs/date/src/tz.cpp | 3825 |
11 files changed, 0 insertions, 23402 deletions
diff --git a/src/libs/date b/src/libs/date new file mode 160000 +Subproject 9502bc27a3b32fa5759ea82a76c22551620ebcd diff --git a/src/libs/date/includes/date/chrono_io.h b/src/libs/date/includes/date/chrono_io.h deleted file mode 100644 index 21be4040..00000000 --- a/src/libs/date/includes/date/chrono_io.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef CHRONO_IO_H -#define CHRONO_IO_H - -// The MIT License (MIT) -// -// Copyright (c) 2016, 2017 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -// This functionality has moved to "date.h" - -#include "date.h" - -#endif // CHRONO_IO_H diff --git a/src/libs/date/includes/date/date.h b/src/libs/date/includes/date/date.h deleted file mode 100644 index 027a5a46..00000000 --- a/src/libs/date/includes/date/date.h +++ /dev/null @@ -1,7947 +0,0 @@ -#ifndef DATE_H -#define DATE_H - -// The MIT License (MIT) -// -// Copyright (c) 2015, 2016, 2017 Howard Hinnant -// Copyright (c) 2016 Adrian Colomitchi -// Copyright (c) 2017 Florian Dang -// Copyright (c) 2017 Paul Thompson -// Copyright (c) 2018, 2019 Tomasz Kamiński -// Copyright (c) 2019 Jiangang Zhuang -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -#ifndef HAS_STRING_VIEW -# if __cplusplus >= 201703 || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) -# define HAS_STRING_VIEW 1 -# else -# define HAS_STRING_VIEW 0 -# endif -#endif // HAS_STRING_VIEW - -#include <cassert> -#include <algorithm> -#include <cctype> -#include <chrono> -#include <climits> -#if !(__cplusplus >= 201402) -# include <cmath> -#endif -#include <cstddef> -#include <cstdint> -#include <cstdlib> -#include <ctime> -#include <ios> -#include <istream> -#include <iterator> -#include <limits> -#include <locale> -#include <memory> -#include <ostream> -#include <ratio> -#include <sstream> -#include <stdexcept> -#include <string> -#if HAS_STRING_VIEW -# include <string_view> -#endif -#include <utility> -#include <type_traits> - -#ifdef __GNUC__ -# pragma GCC diagnostic push -# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR > 7) -# pragma GCC diagnostic ignored "-Wpedantic" -# endif -# if __GNUC__ < 5 - // GCC 4.9 Bug 61489 Wrong warning with -Wmissing-field-initializers -# pragma GCC diagnostic ignored "-Wmissing-field-initializers" -# endif -#endif - -#ifdef _MSC_VER -# pragma warning(push) -// warning C4127: conditional expression is constant -# pragma warning(disable : 4127) -#endif - -namespace date -{ - -//---------------+ -// Configuration | -//---------------+ - -#ifndef ONLY_C_LOCALE -# define ONLY_C_LOCALE 0 -#endif - -#if defined(_MSC_VER) && (!defined(__clang__) || (_MSC_VER < 1910)) -// MSVC -# ifndef _SILENCE_CXX17_UNCAUGHT_EXCEPTION_DEPRECATION_WARNING -# define _SILENCE_CXX17_UNCAUGHT_EXCEPTION_DEPRECATION_WARNING -# endif -# if _MSC_VER < 1910 -// before VS2017 -# define CONSTDATA const -# define CONSTCD11 -# define CONSTCD14 -# define NOEXCEPT _NOEXCEPT -# else -// VS2017 and later -# define CONSTDATA constexpr const -# define CONSTCD11 constexpr -# define CONSTCD14 constexpr -# define NOEXCEPT noexcept -# endif - -#elif defined(__SUNPRO_CC) && __SUNPRO_CC <= 0x5150 -// Oracle Developer Studio 12.6 and earlier -# define CONSTDATA constexpr const -# define CONSTCD11 constexpr -# define CONSTCD14 -# define NOEXCEPT noexcept - -#elif __cplusplus >= 201402 -// C++14 -# define CONSTDATA constexpr const -# define CONSTCD11 constexpr -# define CONSTCD14 constexpr -# define NOEXCEPT noexcept -#else -// C++11 -# define CONSTDATA constexpr const -# define CONSTCD11 constexpr -# define CONSTCD14 -# define NOEXCEPT noexcept -#endif - -#ifndef HAS_UNCAUGHT_EXCEPTIONS -# if __cplusplus > 201703 || (defined(_MSVC_LANG) && _MSVC_LANG > 201703L) -# define HAS_UNCAUGHT_EXCEPTIONS 1 -# else -# define HAS_UNCAUGHT_EXCEPTIONS 0 -# endif -#endif // HAS_UNCAUGHT_EXCEPTIONS - -#ifndef HAS_VOID_T -# if __cplusplus >= 201703 || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) -# define HAS_VOID_T 1 -# else -# define HAS_VOID_T 0 -# endif -#endif // HAS_VOID_T - -// Protect from Oracle sun macro -#ifdef sun -# undef sun -#endif - -// Work around for a NVCC compiler bug which causes it to fail -// to compile std::ratio_{multiply,divide} when used directly -// in the std::chrono::duration template instantiations below -namespace detail { -template <typename R1, typename R2> -using ratio_multiply = decltype(std::ratio_multiply<R1, R2>{}); - -template <typename R1, typename R2> -using ratio_divide = decltype(std::ratio_divide<R1, R2>{}); -} // namespace detail - -//-----------+ -// Interface | -//-----------+ - -// durations - -using days = std::chrono::duration - <int, detail::ratio_multiply<std::ratio<24>, std::chrono::hours::period>>; - -using weeks = std::chrono::duration - <int, detail::ratio_multiply<std::ratio<7>, days::period>>; - -using years = std::chrono::duration - <int, detail::ratio_multiply<std::ratio<146097, 400>, days::period>>; - -using months = std::chrono::duration - <int, detail::ratio_divide<years::period, std::ratio<12>>>; - -// time_point - -template <class Duration> - using sys_time = std::chrono::time_point<std::chrono::system_clock, Duration>; - -using sys_days = sys_time<days>; -using sys_seconds = sys_time<std::chrono::seconds>; - -struct local_t {}; - -template <class Duration> - using local_time = std::chrono::time_point<local_t, Duration>; - -using local_seconds = local_time<std::chrono::seconds>; -using local_days = local_time<days>; - -// types - -struct last_spec -{ - explicit last_spec() = default; -}; - -class day; -class month; -class year; - -class weekday; -class weekday_indexed; -class weekday_last; - -class month_day; -class month_day_last; -class month_weekday; -class month_weekday_last; - -class year_month; - -class year_month_day; -class year_month_day_last; -class year_month_weekday; -class year_month_weekday_last; - -// date composition operators - -CONSTCD11 year_month operator/(const year& y, const month& m) NOEXCEPT; -CONSTCD11 year_month operator/(const year& y, int m) NOEXCEPT; - -CONSTCD11 month_day operator/(const day& d, const month& m) NOEXCEPT; -CONSTCD11 month_day operator/(const day& d, int m) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, const day& d) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, int d) NOEXCEPT; -CONSTCD11 month_day operator/(int m, const day& d) NOEXCEPT; - -CONSTCD11 month_day_last operator/(const month& m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(int m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, const month& m) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, int m) NOEXCEPT; - -CONSTCD11 month_weekday operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(int m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, int m) NOEXCEPT; - -CONSTCD11 month_weekday_last operator/(const month& m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(int m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, const month& m) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, int m) NOEXCEPT; - -CONSTCD11 year_month_day operator/(const year_month& ym, const day& d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year_month& ym, int d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year& y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(int y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, const year& y) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, int y) NOEXCEPT; - -CONSTCD11 - year_month_day_last operator/(const year_month& ym, last_spec) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const year& y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(int y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, const year& y) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT; - -// Detailed interface - -// day - -class day -{ - unsigned char d_; - -public: - day() = default; - explicit CONSTCD11 day(unsigned d) NOEXCEPT; - - CONSTCD14 day& operator++() NOEXCEPT; - CONSTCD14 day operator++(int) NOEXCEPT; - CONSTCD14 day& operator--() NOEXCEPT; - CONSTCD14 day operator--(int) NOEXCEPT; - - CONSTCD14 day& operator+=(const days& d) NOEXCEPT; - CONSTCD14 day& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator< (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator> (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const day& x, const day& y) NOEXCEPT; - -CONSTCD11 day operator+(const day& x, const days& y) NOEXCEPT; -CONSTCD11 day operator+(const days& x, const day& y) NOEXCEPT; -CONSTCD11 day operator-(const day& x, const days& y) NOEXCEPT; -CONSTCD11 days operator-(const day& x, const day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d); - -// month - -class month -{ - unsigned char m_; - -public: - month() = default; - explicit CONSTCD11 month(unsigned m) NOEXCEPT; - - CONSTCD14 month& operator++() NOEXCEPT; - CONSTCD14 month operator++(int) NOEXCEPT; - CONSTCD14 month& operator--() NOEXCEPT; - CONSTCD14 month operator--(int) NOEXCEPT; - - CONSTCD14 month& operator+=(const months& m) NOEXCEPT; - CONSTCD14 month& operator-=(const months& m) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator< (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator> (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month& x, const month& y) NOEXCEPT; - -CONSTCD14 month operator+(const month& x, const months& y) NOEXCEPT; -CONSTCD14 month operator+(const months& x, const month& y) NOEXCEPT; -CONSTCD14 month operator-(const month& x, const months& y) NOEXCEPT; -CONSTCD14 months operator-(const month& x, const month& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m); - -// year - -class year -{ - short y_; - -public: - year() = default; - explicit CONSTCD11 year(int y) NOEXCEPT; - - CONSTCD14 year& operator++() NOEXCEPT; - CONSTCD14 year operator++(int) NOEXCEPT; - CONSTCD14 year& operator--() NOEXCEPT; - CONSTCD14 year operator--(int) NOEXCEPT; - - CONSTCD14 year& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 year operator-() const NOEXCEPT; - CONSTCD11 year operator+() const NOEXCEPT; - - CONSTCD11 bool is_leap() const NOEXCEPT; - - CONSTCD11 explicit operator int() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - static CONSTCD11 year min() NOEXCEPT { return year{-32767}; } - static CONSTCD11 year max() NOEXCEPT { return year{32767}; } -}; - -CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT; - -CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT; -CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT; -CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT; -CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y); - -// weekday - -class weekday -{ - unsigned char wd_; -public: - weekday() = default; - explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT; - CONSTCD14 weekday(const sys_days& dp) NOEXCEPT; - CONSTCD14 explicit weekday(const local_days& dp) NOEXCEPT; - - CONSTCD14 weekday& operator++() NOEXCEPT; - CONSTCD14 weekday operator++(int) NOEXCEPT; - CONSTCD14 weekday& operator--() NOEXCEPT; - CONSTCD14 weekday operator--(int) NOEXCEPT; - - CONSTCD14 weekday& operator+=(const days& d) NOEXCEPT; - CONSTCD14 weekday& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; - - CONSTCD11 unsigned c_encoding() const NOEXCEPT; - CONSTCD11 unsigned iso_encoding() const NOEXCEPT; - - CONSTCD11 weekday_indexed operator[](unsigned index) const NOEXCEPT; - CONSTCD11 weekday_last operator[](last_spec) const NOEXCEPT; - -private: - static CONSTCD14 unsigned char weekday_from_days(int z) NOEXCEPT; - - friend CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT; - friend CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT; - friend CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT; - template<class CharT, class Traits> - friend std::basic_ostream<CharT, Traits>& - operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd); - friend class weekday_indexed; -}; - -CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT; - -CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT; -CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd); - -// weekday_indexed - -class weekday_indexed -{ - unsigned char wd_ : 4; - unsigned char index_ : 4; - -public: - weekday_indexed() = default; - CONSTCD11 weekday_indexed(const date::weekday& wd, unsigned index) NOEXCEPT; - - CONSTCD11 date::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi); - -// weekday_last - -class weekday_last -{ - date::weekday wd_; - -public: - explicit CONSTCD11 weekday_last(const date::weekday& wd) NOEXCEPT; - - CONSTCD11 date::weekday weekday() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl); - -namespace detail -{ - -struct unspecified_month_disambiguator {}; - -} // namespace detail - -// year_month - -class year_month -{ - date::year y_; - date::month m_; - -public: - year_month() = default; - CONSTCD11 year_month(const date::year& y, const date::month& m) NOEXCEPT; - - CONSTCD11 date::year year() const NOEXCEPT; - CONSTCD11 date::month month() const NOEXCEPT; - - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month& operator+=(const months& dm) NOEXCEPT; - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month& operator-=(const months& dm) NOEXCEPT; - CONSTCD14 year_month& operator+=(const years& dy) NOEXCEPT; - CONSTCD14 year_month& operator-=(const years& dy) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month& x, const year_month& y) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month operator+(const year_month& ym, const months& dm) NOEXCEPT; -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month operator+(const months& dm, const year_month& ym) NOEXCEPT; -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month operator-(const year_month& ym, const months& dm) NOEXCEPT; - -CONSTCD11 months operator-(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 year_month operator+(const year_month& ym, const years& dy) NOEXCEPT; -CONSTCD11 year_month operator+(const years& dy, const year_month& ym) NOEXCEPT; -CONSTCD11 year_month operator-(const year_month& ym, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym); - -// month_day - -class month_day -{ - date::month m_; - date::day d_; - -public: - month_day() = default; - CONSTCD11 month_day(const date::month& m, const date::day& d) NOEXCEPT; - - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::day day() const NOEXCEPT; - - CONSTCD14 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day& x, const month_day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md); - -// month_day_last - -class month_day_last -{ - date::month m_; - -public: - CONSTCD11 explicit month_day_last(const date::month& m) NOEXCEPT; - - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl); - -// month_weekday - -class month_weekday -{ - date::month m_; - date::weekday_indexed wdi_; -public: - CONSTCD11 month_weekday(const date::month& m, - const date::weekday_indexed& wdi) NOEXCEPT; - - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd); - -// month_weekday_last - -class month_weekday_last -{ - date::month m_; - date::weekday_last wdl_; - -public: - CONSTCD11 month_weekday_last(const date::month& m, - const date::weekday_last& wd) NOEXCEPT; - - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl); - -// class year_month_day - -class year_month_day -{ - date::year y_; - date::month m_; - date::day d_; - -public: - year_month_day() = default; - CONSTCD11 year_month_day(const date::year& y, const date::month& m, - const date::day& d) NOEXCEPT; - CONSTCD14 year_month_day(const year_month_day_last& ymdl) NOEXCEPT; - - CONSTCD14 year_month_day(sys_days dp) NOEXCEPT; - CONSTCD14 explicit year_month_day(local_days dp) NOEXCEPT; - - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_day& operator+=(const months& m) NOEXCEPT; - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_day& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 date::year year() const NOEXCEPT; - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_day from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month_day operator+(const year_month_day& ymd, const months& dm) NOEXCEPT; -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month_day operator+(const months& dm, const year_month_day& ymd) NOEXCEPT; -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 year_month_day operator-(const year_month_day& ymd, const months& dm) NOEXCEPT; -CONSTCD11 year_month_day operator+(const year_month_day& ymd, const years& dy) NOEXCEPT; -CONSTCD11 year_month_day operator+(const years& dy, const year_month_day& ymd) NOEXCEPT; -CONSTCD11 year_month_day operator-(const year_month_day& ymd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd); - -// year_month_day_last - -class year_month_day_last -{ - date::year y_; - date::month_day_last mdl_; - -public: - CONSTCD11 year_month_day_last(const date::year& y, - const date::month_day_last& mdl) NOEXCEPT; - - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_day_last& operator+=(const months& m) NOEXCEPT; - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_day_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 date::year year() const NOEXCEPT; - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::month_day_last month_day_last() const NOEXCEPT; - CONSTCD14 date::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator< (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator> (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl); - -// year_month_weekday - -class year_month_weekday -{ - date::year y_; - date::month m_; - date::weekday_indexed wdi_; - -public: - year_month_weekday() = default; - CONSTCD11 year_month_weekday(const date::year& y, const date::month& m, - const date::weekday_indexed& wdi) NOEXCEPT; - CONSTCD14 year_month_weekday(const sys_days& dp) NOEXCEPT; - CONSTCD14 explicit year_month_weekday(const local_days& dp) NOEXCEPT; - - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_weekday& operator+=(const months& m) NOEXCEPT; - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_weekday& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 date::year year() const NOEXCEPT; - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 date::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_weekday from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi); - -// year_month_weekday_last - -class year_month_weekday_last -{ - date::year y_; - date::month m_; - date::weekday_last wdl_; - -public: - CONSTCD11 year_month_weekday_last(const date::year& y, const date::month& m, - const date::weekday_last& wdl) NOEXCEPT; - - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_weekday_last& operator+=(const months& m) NOEXCEPT; - template<class = detail::unspecified_month_disambiguator> - CONSTCD14 year_month_weekday_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 date::year year() const NOEXCEPT; - CONSTCD11 date::month month() const NOEXCEPT; - CONSTCD11 date::weekday weekday() const NOEXCEPT; - CONSTCD11 date::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - -private: - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -CONSTCD11 -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT; - -template<class = detail::unspecified_month_disambiguator> -CONSTCD14 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl); - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 date::day operator "" _d(unsigned long long d) NOEXCEPT; -CONSTCD11 date::year operator "" _y(unsigned long long y) NOEXCEPT; - -} // inline namespace literals -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -// CONSTDATA date::month January{1}; -// CONSTDATA date::month February{2}; -// CONSTDATA date::month March{3}; -// CONSTDATA date::month April{4}; -// CONSTDATA date::month May{5}; -// CONSTDATA date::month June{6}; -// CONSTDATA date::month July{7}; -// CONSTDATA date::month August{8}; -// CONSTDATA date::month September{9}; -// CONSTDATA date::month October{10}; -// CONSTDATA date::month November{11}; -// CONSTDATA date::month December{12}; -// -// CONSTDATA date::weekday Sunday{0u}; -// CONSTDATA date::weekday Monday{1u}; -// CONSTDATA date::weekday Tuesday{2u}; -// CONSTDATA date::weekday Wednesday{3u}; -// CONSTDATA date::weekday Thursday{4u}; -// CONSTDATA date::weekday Friday{5u}; -// CONSTDATA date::weekday Saturday{6u}; - -#if HAS_VOID_T - -template <class T, class = std::void_t<>> -struct is_clock - : std::false_type -{}; - -template <class T> -struct is_clock<T, std::void_t<decltype(T::now()), typename T::rep, typename T::period, - typename T::duration, typename T::time_point, - decltype(T::is_steady)>> - : std::true_type -{}; - -#endif // HAS_VOID_T - -//----------------+ -// Implementation | -//----------------+ - -// utilities -namespace detail { - -template<class CharT, class Traits = std::char_traits<CharT>> -class save_istream -{ -protected: - std::basic_ios<CharT, Traits>& is_; - CharT fill_; - std::ios::fmtflags flags_; - std::streamsize width_; - std::basic_ostream<CharT, Traits>* tie_; - std::locale loc_; - -public: - ~save_istream() - { - is_.fill(fill_); - is_.flags(flags_); - is_.width(width_); - is_.imbue(loc_); - is_.tie(tie_); - } - - save_istream(const save_istream&) = delete; - save_istream& operator=(const save_istream&) = delete; - - explicit save_istream(std::basic_ios<CharT, Traits>& is) - : is_(is) - , fill_(is.fill()) - , flags_(is.flags()) - , width_(is.width(0)) - , tie_(is.tie(nullptr)) - , loc_(is.getloc()) - { - if (tie_ != nullptr) - tie_->flush(); - } -}; - -template<class CharT, class Traits = std::char_traits<CharT>> -class save_ostream - : private save_istream<CharT, Traits> -{ -public: - ~save_ostream() - { - if ((this->flags_ & std::ios::unitbuf) && -#if HAS_UNCAUGHT_EXCEPTIONS - std::uncaught_exceptions() == 0 && -#else - !std::uncaught_exception() && -#endif - this->is_.good()) - this->is_.rdbuf()->pubsync(); - } - - save_ostream(const save_ostream&) = delete; - save_ostream& operator=(const save_ostream&) = delete; - - explicit save_ostream(std::basic_ios<CharT, Traits>& os) - : save_istream<CharT, Traits>(os) - { - } -}; - -template <class T> -struct choose_trunc_type -{ - static const int digits = std::numeric_limits<T>::digits; - using type = typename std::conditional - < - digits < 32, - std::int32_t, - typename std::conditional - < - digits < 64, - std::int64_t, -#ifdef __SIZEOF_INT128__ - __int128 -#else - std::int64_t -#endif - >::type - >::type; -}; - -template <class T> -CONSTCD11 -inline -typename std::enable_if -< - !std::chrono::treat_as_floating_point<T>::value, - T ->::type -trunc(T t) NOEXCEPT -{ - return t; -} - -template <class T> -CONSTCD14 -inline -typename std::enable_if -< - std::chrono::treat_as_floating_point<T>::value, - T ->::type -trunc(T t) NOEXCEPT -{ - using std::numeric_limits; - using I = typename choose_trunc_type<T>::type; - CONSTDATA auto digits = numeric_limits<T>::digits; - static_assert(digits < numeric_limits<I>::digits, ""); - CONSTDATA auto max = I{1} << (digits-1); - CONSTDATA auto min = -max; - const auto negative = t < T{0}; - if (min <= t && t <= max && t != 0 && t == t) - { - t = static_cast<T>(static_cast<I>(t)); - if (t == 0 && negative) - t = -t; - } - return t; -} - -template <std::intmax_t Xp, std::intmax_t Yp> -struct static_gcd -{ - static const std::intmax_t value = static_gcd<Yp, Xp % Yp>::value; -}; - -template <std::intmax_t Xp> -struct static_gcd<Xp, 0> -{ - static const std::intmax_t value = Xp; -}; - -template <> -struct static_gcd<0, 0> -{ - static const std::intmax_t value = 1; -}; - -template <class R1, class R2> -struct no_overflow -{ -private: - static const std::intmax_t gcd_n1_n2 = static_gcd<R1::num, R2::num>::value; - static const std::intmax_t gcd_d1_d2 = static_gcd<R1::den, R2::den>::value; - static const std::intmax_t n1 = R1::num / gcd_n1_n2; - static const std::intmax_t d1 = R1::den / gcd_d1_d2; - static const std::intmax_t n2 = R2::num / gcd_n1_n2; - static const std::intmax_t d2 = R2::den / gcd_d1_d2; - static const std::intmax_t max = std::numeric_limits<std::intmax_t>::max(); - - template <std::intmax_t Xp, std::intmax_t Yp, bool overflow> - struct mul // overflow == false - { - static const std::intmax_t value = Xp * Yp; - }; - - template <std::intmax_t Xp, std::intmax_t Yp> - struct mul<Xp, Yp, true> - { - static const std::intmax_t value = 1; - }; - -public: - static const bool value = (n1 <= max / d2) && (n2 <= max / d1); - typedef std::ratio<mul<n1, d2, !value>::value, - mul<n2, d1, !value>::value> type; -}; - -} // detail - -// trunc towards zero -template <class To, class Rep, class Period> -CONSTCD11 -inline -typename std::enable_if -< - detail::no_overflow<Period, typename To::period>::value, - To ->::type -trunc(const std::chrono::duration<Rep, Period>& d) -{ - return To{detail::trunc(std::chrono::duration_cast<To>(d).count())}; -} - -template <class To, class Rep, class Period> -CONSTCD11 -inline -typename std::enable_if -< - !detail::no_overflow<Period, typename To::period>::value, - To ->::type -trunc(const std::chrono::duration<Rep, Period>& d) -{ - using std::chrono::duration_cast; - using std::chrono::duration; - using rep = typename std::common_type<Rep, typename To::rep>::type; - return To{detail::trunc(duration_cast<To>(duration_cast<duration<rep>>(d)).count())}; -} - -#ifndef HAS_CHRONO_ROUNDING -# if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 190023918 || (_MSC_FULL_VER >= 190000000 && defined (__clang__))) -# define HAS_CHRONO_ROUNDING 1 -# elif defined(__cpp_lib_chrono) && __cplusplus > 201402 && __cpp_lib_chrono >= 201510 -# define HAS_CHRONO_ROUNDING 1 -# elif defined(_LIBCPP_VERSION) && __cplusplus > 201402 && _LIBCPP_VERSION >= 3800 -# define HAS_CHRONO_ROUNDING 1 -# else -# define HAS_CHRONO_ROUNDING 0 -# endif -#endif // HAS_CHRONO_ROUNDING - -#if HAS_CHRONO_ROUNDING == 0 - -// round down -template <class To, class Rep, class Period> -CONSTCD14 -inline -typename std::enable_if -< - detail::no_overflow<Period, typename To::period>::value, - To ->::type -floor(const std::chrono::duration<Rep, Period>& d) -{ - auto t = trunc<To>(d); - if (t > d) - return t - To{1}; - return t; -} - -template <class To, class Rep, class Period> -CONSTCD14 -inline -typename std::enable_if -< - !detail::no_overflow<Period, typename To::period>::value, - To ->::type -floor(const std::chrono::duration<Rep, Period>& d) -{ - using rep = typename std::common_type<Rep, typename To::rep>::type; - return floor<To>(floor<std::chrono::duration<rep>>(d)); -} - -// round to nearest, to even on tie -template <class To, class Rep, class Period> -CONSTCD14 -inline -To -round(const std::chrono::duration<Rep, Period>& d) -{ - auto t0 = floor<To>(d); - auto t1 = t0 + To{1}; - if (t1 == To{0} && t0 < To{0}) - t1 = -t1; - auto diff0 = d - t0; - auto diff1 = t1 - d; - if (diff0 == diff1) - { - if (t0 - trunc<To>(t0/2)*2 == To{0}) - return t0; - return t1; - } - if (diff0 < diff1) - return t0; - return t1; -} - -// round up -template <class To, class Rep, class Period> -CONSTCD14 -inline -To -ceil(const std::chrono::duration<Rep, Period>& d) -{ - auto t = trunc<To>(d); - if (t < d) - return t + To{1}; - return t; -} - -template <class Rep, class Period, - class = typename std::enable_if - < - std::numeric_limits<Rep>::is_signed - >::type> -CONSTCD11 -std::chrono::duration<Rep, Period> -abs(std::chrono::duration<Rep, Period> d) -{ - return d >= d.zero() ? d : -d; -} - -// round down -template <class To, class Clock, class FromDuration> -CONSTCD11 -inline -std::chrono::time_point<Clock, To> -floor(const std::chrono::time_point<Clock, FromDuration>& tp) -{ - using std::chrono::time_point; - return time_point<Clock, To>{date::floor<To>(tp.time_since_epoch())}; -} - -// round to nearest, to even on tie -template <class To, class Clock, class FromDuration> -CONSTCD11 -inline -std::chrono::time_point<Clock, To> -round(const std::chrono::time_point<Clock, FromDuration>& tp) -{ - using std::chrono::time_point; - return time_point<Clock, To>{round<To>(tp.time_since_epoch())}; -} - -// round up -template <class To, class Clock, class FromDuration> -CONSTCD11 -inline -std::chrono::time_point<Clock, To> -ceil(const std::chrono::time_point<Clock, FromDuration>& tp) -{ - using std::chrono::time_point; - return time_point<Clock, To>{ceil<To>(tp.time_since_epoch())}; -} - -#else // HAS_CHRONO_ROUNDING == 1 - -using std::chrono::floor; -using std::chrono::ceil; -using std::chrono::round; -using std::chrono::abs; - -#endif // HAS_CHRONO_ROUNDING - -// trunc towards zero -template <class To, class Clock, class FromDuration> -CONSTCD11 -inline -std::chrono::time_point<Clock, To> -trunc(const std::chrono::time_point<Clock, FromDuration>& tp) -{ - using std::chrono::time_point; - return time_point<Clock, To>{trunc<To>(tp.time_since_epoch())}; -} - -// day - -CONSTCD11 inline day::day(unsigned d) NOEXCEPT : d_(static_cast<decltype(d_)>(d)) {} -CONSTCD14 inline day& day::operator++() NOEXCEPT {++d_; return *this;} -CONSTCD14 inline day day::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline day& day::operator--() NOEXCEPT {--d_; return *this;} -CONSTCD14 inline day day::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline day& day::operator+=(const days& d) NOEXCEPT {*this = *this + d; return *this;} -CONSTCD14 inline day& day::operator-=(const days& d) NOEXCEPT {*this = *this - d; return *this;} -CONSTCD11 inline day::operator unsigned() const NOEXCEPT {return d_;} -CONSTCD11 inline bool day::ok() const NOEXCEPT {return 1 <= d_ && d_ <= 31;} - -CONSTCD11 -inline -bool -operator==(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const day& x, const day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const day& x, const day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const day& x, const day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const day& x, const day& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -days -operator-(const day& x, const day& y) NOEXCEPT -{ - return days{static_cast<days::rep>(static_cast<unsigned>(x) - - static_cast<unsigned>(y))}; -} - -CONSTCD11 -inline -day -operator+(const day& x, const days& y) NOEXCEPT -{ - return day{static_cast<unsigned>(x) + static_cast<unsigned>(y.count())}; -} - -CONSTCD11 -inline -day -operator+(const days& x, const day& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -day -operator-(const day& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d) -{ - detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(d); - if (!d.ok()) - os << " is not a valid day"; - return os; -} - -// month - -CONSTCD11 inline month::month(unsigned m) NOEXCEPT : m_(static_cast<decltype(m_)>(m)) {} -CONSTCD14 inline month& month::operator++() NOEXCEPT {*this += months{1}; return *this;} -CONSTCD14 inline month month::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline month& month::operator--() NOEXCEPT {*this -= months{1}; return *this;} -CONSTCD14 inline month month::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -month& -month::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -month& -month::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD11 inline month::operator unsigned() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month::ok() const NOEXCEPT {return 1 <= m_ && m_ <= 12;} - -CONSTCD11 -inline -bool -operator==(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const month& x, const month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const month& x, const month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month& x, const month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month& x, const month& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD14 -inline -months -operator-(const month& x, const month& y) NOEXCEPT -{ - auto const d = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return months(d <= 11 ? d : d + 12); -} - -CONSTCD14 -inline -month -operator+(const month& x, const months& y) NOEXCEPT -{ - auto const mu = static_cast<long long>(static_cast<unsigned>(x)) + (y.count() - 1); - auto const yr = (mu >= 0 ? mu : mu-11) / 12; - return month{static_cast<unsigned>(mu - yr * 12 + 1)}; -} - -CONSTCD14 -inline -month -operator+(const months& x, const month& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -month -operator-(const month& x, const months& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m) -{ - if (m.ok()) - { - CharT fmt[] = {'%', 'b', 0}; - os << format(os.getloc(), fmt, m); - } - else - os << static_cast<unsigned>(m) << " is not a valid month"; - return os; -} - -// year - -CONSTCD11 inline year::year(int y) NOEXCEPT : y_(static_cast<decltype(y_)>(y)) {} -CONSTCD14 inline year& year::operator++() NOEXCEPT {++y_; return *this;} -CONSTCD14 inline year year::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline year& year::operator--() NOEXCEPT {--y_; return *this;} -CONSTCD14 inline year year::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline year& year::operator+=(const years& y) NOEXCEPT {*this = *this + y; return *this;} -CONSTCD14 inline year& year::operator-=(const years& y) NOEXCEPT {*this = *this - y; return *this;} -CONSTCD11 inline year year::operator-() const NOEXCEPT {return year{-y_};} -CONSTCD11 inline year year::operator+() const NOEXCEPT {return *this;} - -CONSTCD11 -inline -bool -year::is_leap() const NOEXCEPT -{ - return y_ % 4 == 0 && (y_ % 100 != 0 || y_ % 400 == 0); -} - -CONSTCD11 inline year::operator int() const NOEXCEPT {return y_;} - -CONSTCD11 -inline -bool -year::ok() const NOEXCEPT -{ - return y_ != std::numeric_limits<short>::min(); -} - -CONSTCD11 -inline -bool -operator==(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) == static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator!=(const year& x, const year& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) < static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator>(const year& x, const year& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year& x, const year& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year& x, const year& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -years -operator-(const year& x, const year& y) NOEXCEPT -{ - return years{static_cast<int>(x) - static_cast<int>(y)}; -} - -CONSTCD11 -inline -year -operator+(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) + y.count()}; -} - -CONSTCD11 -inline -year -operator+(const years& x, const year& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -year -operator-(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) - y.count()}; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y) -{ - detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::internal); - os.width(4 + (y < year{0})); - os.imbue(std::locale::classic()); - os << static_cast<int>(y); - if (!y.ok()) - os << " is not a valid year"; - return os; -} - -// weekday - -CONSTCD14 -inline -unsigned char -weekday::weekday_from_days(int z) NOEXCEPT -{ - auto u = static_cast<unsigned>(z); - return static_cast<unsigned char>(z >= -4 ? (u+4) % 7 : u % 7); -} - -CONSTCD11 -inline -weekday::weekday(unsigned wd) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(wd != 7 ? wd : 0)) - {} - -CONSTCD14 -inline -weekday::weekday(const sys_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD14 -inline -weekday::weekday(const local_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD14 inline weekday& weekday::operator++() NOEXCEPT {*this += days{1}; return *this;} -CONSTCD14 inline weekday weekday::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline weekday& weekday::operator--() NOEXCEPT {*this -= days{1}; return *this;} -CONSTCD14 inline weekday weekday::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -weekday& -weekday::operator+=(const days& d) NOEXCEPT -{ - *this = *this + d; - return *this; -} - -CONSTCD14 -inline -weekday& -weekday::operator-=(const days& d) NOEXCEPT -{ - *this = *this - d; - return *this; -} - -CONSTCD11 inline bool weekday::ok() const NOEXCEPT {return wd_ <= 6;} - -CONSTCD11 -inline -unsigned weekday::c_encoding() const NOEXCEPT -{ - return unsigned{wd_}; -} - -CONSTCD11 -inline -unsigned weekday::iso_encoding() const NOEXCEPT -{ - return unsigned{((wd_ == 0u) ? 7u : wd_)}; -} - -CONSTCD11 -inline -bool -operator==(const weekday& x, const weekday& y) NOEXCEPT -{ - return x.wd_ == y.wd_; -} - -CONSTCD11 -inline -bool -operator!=(const weekday& x, const weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD14 -inline -days -operator-(const weekday& x, const weekday& y) NOEXCEPT -{ - auto const wdu = x.wd_ - y.wd_; - auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7; - return days{wdu - wk * 7}; -} - -CONSTCD14 -inline -weekday -operator+(const weekday& x, const days& y) NOEXCEPT -{ - auto const wdu = static_cast<long long>(static_cast<unsigned>(x.wd_)) + y.count(); - auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7; - return weekday{static_cast<unsigned>(wdu - wk * 7)}; -} - -CONSTCD14 -inline -weekday -operator+(const days& x, const weekday& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -weekday -operator-(const weekday& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd) -{ - if (wd.ok()) - { - CharT fmt[] = {'%', 'a', 0}; - os << format(fmt, wd); - } - else - os << static_cast<unsigned>(wd.wd_) << " is not a valid weekday"; - return os; -} - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 -inline -date::day -operator "" _d(unsigned long long d) NOEXCEPT -{ - return date::day{static_cast<unsigned>(d)}; -} - -CONSTCD11 -inline -date::year -operator "" _y(unsigned long long y) NOEXCEPT -{ - return date::year(static_cast<int>(y)); -} -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -CONSTDATA date::last_spec last{}; - -CONSTDATA date::month jan{1}; -CONSTDATA date::month feb{2}; -CONSTDATA date::month mar{3}; -CONSTDATA date::month apr{4}; -CONSTDATA date::month may{5}; -CONSTDATA date::month jun{6}; -CONSTDATA date::month jul{7}; -CONSTDATA date::month aug{8}; -CONSTDATA date::month sep{9}; -CONSTDATA date::month oct{10}; -CONSTDATA date::month nov{11}; -CONSTDATA date::month dec{12}; - -CONSTDATA date::weekday sun{0u}; -CONSTDATA date::weekday mon{1u}; -CONSTDATA date::weekday tue{2u}; -CONSTDATA date::weekday wed{3u}; -CONSTDATA date::weekday thu{4u}; -CONSTDATA date::weekday fri{5u}; -CONSTDATA date::weekday sat{6u}; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -} // inline namespace literals -#endif - -CONSTDATA date::month January{1}; -CONSTDATA date::month February{2}; -CONSTDATA date::month March{3}; -CONSTDATA date::month April{4}; -CONSTDATA date::month May{5}; -CONSTDATA date::month June{6}; -CONSTDATA date::month July{7}; -CONSTDATA date::month August{8}; -CONSTDATA date::month September{9}; -CONSTDATA date::month October{10}; -CONSTDATA date::month November{11}; -CONSTDATA date::month December{12}; - -CONSTDATA date::weekday Monday{1}; -CONSTDATA date::weekday Tuesday{2}; -CONSTDATA date::weekday Wednesday{3}; -CONSTDATA date::weekday Thursday{4}; -CONSTDATA date::weekday Friday{5}; -CONSTDATA date::weekday Saturday{6}; -CONSTDATA date::weekday Sunday{7}; - -// weekday_indexed - -CONSTCD11 -inline -weekday -weekday_indexed::weekday() const NOEXCEPT -{ - return date::weekday{static_cast<unsigned>(wd_)}; -} - -CONSTCD11 inline unsigned weekday_indexed::index() const NOEXCEPT {return index_;} - -CONSTCD11 -inline -bool -weekday_indexed::ok() const NOEXCEPT -{ - return weekday().ok() && 1 <= index_ && index_ <= 5; -} - -#ifdef __GNUC__ -# pragma GCC diagnostic push -# pragma GCC diagnostic ignored "-Wconversion" -#endif // __GNUC__ - -CONSTCD11 -inline -weekday_indexed::weekday_indexed(const date::weekday& wd, unsigned index) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(static_cast<unsigned>(wd.wd_))) - , index_(static_cast<decltype(index_)>(index)) - {} - -#ifdef __GNUC__ -# pragma GCC diagnostic pop -#endif // __GNUC__ - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi) -{ - os << wdi.weekday() << '[' << wdi.index(); - if (!(1 <= wdi.index() && wdi.index() <= 5)) - os << " is not a valid index"; - os << ']'; - return os; -} - -CONSTCD11 -inline -weekday_indexed -weekday::operator[](unsigned index) const NOEXCEPT -{ - return {*this, index}; -} - -CONSTCD11 -inline -bool -operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return x.weekday() == y.weekday() && x.index() == y.index(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return !(x == y); -} - -// weekday_last - -CONSTCD11 inline date::weekday weekday_last::weekday() const NOEXCEPT {return wd_;} -CONSTCD11 inline bool weekday_last::ok() const NOEXCEPT {return wd_.ok();} -CONSTCD11 inline weekday_last::weekday_last(const date::weekday& wd) NOEXCEPT : wd_(wd) {} - -CONSTCD11 -inline -bool -operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl) -{ - return os << wdl.weekday() << "[last]"; -} - -CONSTCD11 -inline -weekday_last -weekday::operator[](last_spec) const NOEXCEPT -{ - return weekday_last{*this}; -} - -// year_month - -CONSTCD11 -inline -year_month::year_month(const date::year& y, const date::month& m) NOEXCEPT - : y_(y) - , m_(m) - {} - -CONSTCD11 inline year year_month::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool year_month::ok() const NOEXCEPT {return y_.ok() && m_.ok();} - -template<class> -CONSTCD14 -inline -year_month& -year_month::operator+=(const months& dm) NOEXCEPT -{ - *this = *this + dm; - return *this; -} - -template<class> -CONSTCD14 -inline -year_month& -year_month::operator-=(const months& dm) NOEXCEPT -{ - *this = *this - dm; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator+=(const years& dy) NOEXCEPT -{ - *this = *this + dy; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator-=(const years& dy) NOEXCEPT -{ - *this = *this - dy; - return *this; -} - -CONSTCD11 -inline -bool -operator==(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month())); -} - -CONSTCD11 -inline -bool -operator>(const year_month& x, const year_month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x < y); -} - -template<class> -CONSTCD14 -inline -year_month -operator+(const year_month& ym, const months& dm) NOEXCEPT -{ - auto dmi = static_cast<int>(static_cast<unsigned>(ym.month())) - 1 + dm.count(); - auto dy = (dmi >= 0 ? dmi : dmi-11) / 12; - dmi = dmi - dy * 12 + 1; - return (ym.year() + years(dy)) / month(static_cast<unsigned>(dmi)); -} - -template<class> -CONSTCD14 -inline -year_month -operator+(const months& dm, const year_month& ym) NOEXCEPT -{ - return ym + dm; -} - -template<class> -CONSTCD14 -inline -year_month -operator-(const year_month& ym, const months& dm) NOEXCEPT -{ - return ym + -dm; -} - -CONSTCD11 -inline -months -operator-(const year_month& x, const year_month& y) NOEXCEPT -{ - return (x.year() - y.year()) + - months(static_cast<unsigned>(x.month()) - static_cast<unsigned>(y.month())); -} - -CONSTCD11 -inline -year_month -operator+(const year_month& ym, const years& dy) NOEXCEPT -{ - return (ym.year() + dy) / ym.month(); -} - -CONSTCD11 -inline -year_month -operator+(const years& dy, const year_month& ym) NOEXCEPT -{ - return ym + dy; -} - -CONSTCD11 -inline -year_month -operator-(const year_month& ym, const years& dy) NOEXCEPT -{ - return ym + -dy; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym) -{ - return os << ym.year() << '/' << ym.month(); -} - -// month_day - -CONSTCD11 -inline -month_day::month_day(const date::month& m, const date::day& d) NOEXCEPT - : m_(m) - , d_(d) - {} - -CONSTCD11 inline date::month month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline date::day month_day::day() const NOEXCEPT {return d_;} - -CONSTCD14 -inline -bool -month_day::ok() const NOEXCEPT -{ - CONSTDATA date::day d[] = - { - date::day(31), date::day(29), date::day(31), - date::day(30), date::day(31), date::day(30), - date::day(31), date::day(31), date::day(30), - date::day(31), date::day(30), date::day(31) - }; - return m_.ok() && date::day{1} <= d_ && d_ <= d[static_cast<unsigned>(m_)-1]; -} - -CONSTCD11 -inline -bool -operator==(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())); -} - -CONSTCD11 -inline -bool -operator>(const month_day& x, const month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md) -{ - return os << md.month() << '/' << md.day(); -} - -// month_day_last - -CONSTCD11 inline month month_day_last::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month_day_last::ok() const NOEXCEPT {return m_.ok();} -CONSTCD11 inline month_day_last::month_day_last(const date::month& m) NOEXCEPT : m_(m) {} - -CONSTCD11 -inline -bool -operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() < y.month(); -} - -CONSTCD11 -inline -bool -operator>(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl) -{ - return os << mdl.month() << "/last"; -} - -// month_weekday - -CONSTCD11 -inline -month_weekday::month_weekday(const date::month& m, - const date::weekday_indexed& wdi) NOEXCEPT - : m_(m) - , wdi_(wdi) - {} - -CONSTCD11 inline month month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_indexed -month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD11 -inline -bool -month_weekday::ok() const NOEXCEPT -{ - return m_.ok() && wdi_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd) -{ - return os << mwd.month() << '/' << mwd.weekday_indexed(); -} - -// month_weekday_last - -CONSTCD11 -inline -month_weekday_last::month_weekday_last(const date::month& m, - const date::weekday_last& wdl) NOEXCEPT - : m_(m) - , wdl_(wdl) - {} - -CONSTCD11 inline month month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_last -month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD11 -inline -bool -month_weekday_last::ok() const NOEXCEPT -{ - return m_.ok() && wdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl) -{ - return os << mwdl.month() << '/' << mwdl.weekday_last(); -} - -// year_month_day_last - -CONSTCD11 -inline -year_month_day_last::year_month_day_last(const date::year& y, - const date::month_day_last& mdl) NOEXCEPT - : y_(y) - , mdl_(mdl) - {} - -template<class> -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -template<class> -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_day_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day_last::month() const NOEXCEPT {return mdl_.month();} - -CONSTCD11 -inline -month_day_last -year_month_day_last::month_day_last() const NOEXCEPT -{ - return mdl_; -} - -CONSTCD14 -inline -day -year_month_day_last::day() const NOEXCEPT -{ - CONSTDATA date::day d[] = - { - date::day(31), date::day(28), date::day(31), - date::day(30), date::day(31), date::day(30), - date::day(31), date::day(31), date::day(30), - date::day(31), date::day(30), date::day(31) - }; - return (month() != February || !y_.is_leap()) && mdl_.ok() ? - d[static_cast<unsigned>(month()) - 1] : date::day{29}; -} - -CONSTCD14 -inline -year_month_day_last::operator sys_days() const NOEXCEPT -{ - return sys_days(year()/month()/day()); -} - -CONSTCD14 -inline -year_month_day_last::operator local_days() const NOEXCEPT -{ - return local_days(year()/month()/day()); -} - -CONSTCD11 -inline -bool -year_month_day_last::ok() const NOEXCEPT -{ - return y_.ok() && mdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month_day_last() == y.month_day_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month_day_last() < y.month_day_last())); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl) -{ - return os << ymdl.year() << '/' << ymdl.month_day_last(); -} - -template<class> -CONSTCD14 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return (ymdl.year() / ymdl.month() + dm) / last; -} - -template<class> -CONSTCD14 -inline -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dm; -} - -template<class> -CONSTCD14 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return ymdl + (-dm); -} - -CONSTCD11 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return {ymdl.year()+dy, ymdl.month_day_last()}; -} - -CONSTCD11 -inline -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dy; -} - -CONSTCD11 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return ymdl + (-dy); -} - -// year_month_day - -CONSTCD11 -inline -year_month_day::year_month_day(const date::year& y, const date::month& m, - const date::day& d) NOEXCEPT - : y_(y) - , m_(m) - , d_(d) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(const year_month_day_last& ymdl) NOEXCEPT - : y_(ymdl.year()) - , m_(ymdl.month()) - , d_(ymdl.day()) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(sys_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(local_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD11 inline year year_month_day::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline day year_month_day::day() const NOEXCEPT {return d_;} - -template<class> -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -template<class> -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD14 -inline -days -year_month_day::to_days() const NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const y = static_cast<int>(y_) - (m_ <= February); - auto const m = static_cast<unsigned>(m_); - auto const d = static_cast<unsigned>(d_); - auto const era = (y >= 0 ? y : y-399) / 400; - auto const yoe = static_cast<unsigned>(y - era * 400); // [0, 399] - auto const doy = (153*(m > 2 ? m-3 : m+9) + 2)/5 + d-1; // [0, 365] - auto const doe = yoe * 365 + yoe/4 - yoe/100 + doy; // [0, 146096] - return days{era * 146097 + static_cast<int>(doe) - 719468}; -} - -CONSTCD14 -inline -year_month_day::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_day::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_day::ok() const NOEXCEPT -{ - if (!(y_.ok() && m_.ok())) - return false; - return date::day{1} <= d_ && d_ <= (y_ / m_ / last).day(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())))); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd) -{ - detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.imbue(std::locale::classic()); - os << ymd.year() << '-'; - os.width(2); - os << static_cast<unsigned>(ymd.month()) << '-'; - os << ymd.day(); - if (!ymd.ok()) - os << " is not a valid date"; - return os; -} - -CONSTCD14 -inline -year_month_day -year_month_day::from_days(days dp) NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const z = dp.count() + 719468; - auto const era = (z >= 0 ? z : z - 146096) / 146097; - auto const doe = static_cast<unsigned>(z - era * 146097); // [0, 146096] - auto const yoe = (doe - doe/1460 + doe/36524 - doe/146096) / 365; // [0, 399] - auto const y = static_cast<days::rep>(yoe) + era * 400; - auto const doy = doe - (365*yoe + yoe/4 - yoe/100); // [0, 365] - auto const mp = (5*doy + 2)/153; // [0, 11] - auto const d = doy - (153*mp+2)/5 + 1; // [1, 31] - auto const m = mp < 10 ? mp+3 : mp-9; // [1, 12] - return year_month_day{date::year{y + (m <= 2)}, date::month(m), date::day(d)}; -} - -template<class> -CONSTCD14 -inline -year_month_day -operator+(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return (ymd.year() / ymd.month() + dm) / ymd.day(); -} - -template<class> -CONSTCD14 -inline -year_month_day -operator+(const months& dm, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dm; -} - -template<class> -CONSTCD14 -inline -year_month_day -operator-(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return ymd + (-dm); -} - -CONSTCD11 -inline -year_month_day -operator+(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return (ymd.year() + dy) / ymd.month() / ymd.day(); -} - -CONSTCD11 -inline -year_month_day -operator+(const years& dy, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dy; -} - -CONSTCD11 -inline -year_month_day -operator-(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return ymd + (-dy); -} - -// year_month_weekday - -CONSTCD11 -inline -year_month_weekday::year_month_weekday(const date::year& y, const date::month& m, - const date::weekday_indexed& wdi) - NOEXCEPT - : y_(y) - , m_(m) - , wdi_(wdi) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const sys_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const local_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -template<class> -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -template<class> -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday::weekday() const NOEXCEPT -{ - return wdi_.weekday(); -} - -CONSTCD11 -inline -unsigned -year_month_weekday::index() const NOEXCEPT -{ - return wdi_.index(); -} - -CONSTCD11 -inline -weekday_indexed -year_month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD14 -inline -year_month_weekday::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_weekday::ok() const NOEXCEPT -{ - if (!y_.ok() || !m_.ok() || !wdi_.weekday().ok() || wdi_.index() < 1) - return false; - if (wdi_.index() <= 4) - return true; - auto d2 = wdi_.weekday() - date::weekday(static_cast<sys_days>(y_/m_/1)) + - days((wdi_.index()-1)*7 + 1); - return static_cast<unsigned>(d2.count()) <= static_cast<unsigned>((y_/m_/last).day()); -} - -CONSTCD14 -inline -year_month_weekday -year_month_weekday::from_days(days d) NOEXCEPT -{ - sys_days dp{d}; - auto const wd = date::weekday(dp); - auto const ymd = year_month_day(dp); - return {ymd.year(), ymd.month(), wd[(static_cast<unsigned>(ymd.day())-1)/7+1]}; -} - -CONSTCD14 -inline -days -year_month_weekday::to_days() const NOEXCEPT -{ - auto d = sys_days(y_/m_/1); - return (d + (wdi_.weekday() - date::weekday(d) + days{(wdi_.index()-1)*7}) - ).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi) -{ - return os << ymwdi.year() << '/' << ymwdi.month() - << '/' << ymwdi.weekday_indexed(); -} - -template<class> -CONSTCD14 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return (ymwd.year() / ymwd.month() + dm) / ymwd.weekday_indexed(); -} - -template<class> -CONSTCD14 -inline -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dm; -} - -template<class> -CONSTCD14 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return ymwd + (-dm); -} - -CONSTCD11 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return {ymwd.year()+dy, ymwd.month(), ymwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dy; -} - -CONSTCD11 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return ymwd + (-dy); -} - -// year_month_weekday_last - -CONSTCD11 -inline -year_month_weekday_last::year_month_weekday_last(const date::year& y, - const date::month& m, - const date::weekday_last& wdl) NOEXCEPT - : y_(y) - , m_(m) - , wdl_(wdl) - {} - -template<class> -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -template<class> -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday_last::weekday() const NOEXCEPT -{ - return wdl_.weekday(); -} - -CONSTCD11 -inline -weekday_last -year_month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD14 -inline -year_month_weekday_last::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday_last::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD11 -inline -bool -year_month_weekday_last::ok() const NOEXCEPT -{ - return y_.ok() && m_.ok() && wdl_.ok(); -} - -CONSTCD14 -inline -days -year_month_weekday_last::to_days() const NOEXCEPT -{ - auto const d = sys_days(y_/m_/last); - return (d - (date::weekday{d} - wdl_.weekday())).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl) -{ - return os << ymwdl.year() << '/' << ymwdl.month() << '/' << ymwdl.weekday_last(); -} - -template<class> -CONSTCD14 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return (ymwdl.year() / ymwdl.month() + dm) / ymwdl.weekday_last(); -} - -template<class> -CONSTCD14 -inline -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dm; -} - -template<class> -CONSTCD14 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return ymwdl + (-dm); -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return {ymwdl.year()+dy, ymwdl.month(), ymwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dy; -} - -CONSTCD11 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return ymwdl + (-dy); -} - -// year_month from operator/() - -CONSTCD11 -inline -year_month -operator/(const year& y, const month& m) NOEXCEPT -{ - return {y, m}; -} - -CONSTCD11 -inline -year_month -operator/(const year& y, int m) NOEXCEPT -{ - return y / month(static_cast<unsigned>(m)); -} - -// month_day from operator/() - -CONSTCD11 -inline -month_day -operator/(const month& m, const day& d) NOEXCEPT -{ - return {m, d}; -} - -CONSTCD11 -inline -month_day -operator/(const day& d, const month& m) NOEXCEPT -{ - return m / d; -} - -CONSTCD11 -inline -month_day -operator/(const month& m, int d) NOEXCEPT -{ - return m / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -month_day -operator/(int m, const day& d) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / d; -} - -CONSTCD11 inline month_day operator/(const day& d, int m) NOEXCEPT {return m / d;} - -// month_day_last from operator/() - -CONSTCD11 -inline -month_day_last -operator/(const month& m, last_spec) NOEXCEPT -{ - return month_day_last{m}; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, const month& m) NOEXCEPT -{ - return m/last; -} - -CONSTCD11 -inline -month_day_last -operator/(int m, last_spec) NOEXCEPT -{ - return month(static_cast<unsigned>(m))/last; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, int m) NOEXCEPT -{ - return m/last; -} - -// month_weekday from operator/() - -CONSTCD11 -inline -month_weekday -operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT -{ - return {m, wdi}; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT -{ - return m / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(int m, const weekday_indexed& wdi) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, int m) NOEXCEPT -{ - return m / wdi; -} - -// month_weekday_last from operator/() - -CONSTCD11 -inline -month_weekday_last -operator/(const month& m, const weekday_last& wdl) NOEXCEPT -{ - return {m, wdl}; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, const month& m) NOEXCEPT -{ - return m / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(int m, const weekday_last& wdl) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, int m) NOEXCEPT -{ - return m / wdl; -} - -// year_month_day from operator/() - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, const day& d) NOEXCEPT -{ - return {ym.year(), ym.month(), d}; -} - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, int d) NOEXCEPT -{ - return ym / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -year_month_day -operator/(const year& y, const month_day& md) NOEXCEPT -{ - return y / md.month() / md.day(); -} - -CONSTCD11 -inline -year_month_day -operator/(int y, const month_day& md) NOEXCEPT -{ - return year(y) / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, const year& y) NOEXCEPT -{ - return y / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, int y) NOEXCEPT -{ - return year(y) / md; -} - -// year_month_day_last from operator/() - -CONSTCD11 -inline -year_month_day_last -operator/(const year_month& ym, last_spec) NOEXCEPT -{ - return {ym.year(), month_day_last{ym.month()}}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const year& y, const month_day_last& mdl) NOEXCEPT -{ - return {y, mdl}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(int y, const month_day_last& mdl) NOEXCEPT -{ - return year(y) / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, const year& y) NOEXCEPT -{ - return y / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, int y) NOEXCEPT -{ - return year(y) / mdl; -} - -// year_month_weekday from operator/() - -CONSTCD11 -inline -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT -{ - return {ym.year(), ym.month(), wdi}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT -{ - return {y, mwd.month(), mwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT -{ - return year(y) / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT -{ - return y / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT -{ - return year(y) / mwd; -} - -// year_month_weekday_last from operator/() - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT -{ - return {ym.year(), ym.month(), wdl}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT -{ - return {y, mwdl.month(), mwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT -{ - return year(y) / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT -{ - return y / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT -{ - return year(y) / mwdl; -} - -template <class Duration> -struct fields; - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const fields<Duration>& fds, const std::string* abbrev = nullptr, - const std::chrono::seconds* offset_sec = nullptr); - -template <class CharT, class Traits, class Duration, class Alloc> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - fields<Duration>& fds, std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr); - -// hh_mm_ss - -namespace detail -{ - -struct undocumented {explicit undocumented() = default;}; - -// width<n>::value is the number of fractional decimal digits in 1/n -// width<0>::value and width<1>::value are defined to be 0 -// If 1/n takes more than 18 fractional decimal digits, -// the result is truncated to 19. -// Example: width<2>::value == 1 -// Example: width<3>::value == 19 -// Example: width<4>::value == 2 -// Example: width<10>::value == 1 -// Example: width<1000>::value == 3 -template <std::uint64_t n, std::uint64_t d = 10, unsigned w = 0, - bool should_continue = !(n < 2) && d != 0 && (w < 19)> -struct width -{ - static CONSTDATA unsigned value = 1 + width<n, d%n*10, w+1>::value; -}; - -template <std::uint64_t n, std::uint64_t d, unsigned w> -struct width<n, d, w, false> -{ - static CONSTDATA unsigned value = 0; -}; - -template <unsigned exp> -struct static_pow10 -{ -private: - static CONSTDATA std::uint64_t h = static_pow10<exp/2>::value; -public: - static CONSTDATA std::uint64_t value = h * h * (exp % 2 ? 10 : 1); -}; - -template <> -struct static_pow10<0> -{ - static CONSTDATA std::uint64_t value = 1; -}; - -template <class Duration> -class decimal_format_seconds -{ - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - using rep = typename CT::rep; -public: - static unsigned constexpr width = detail::width<CT::period::den>::value < 19 ? - detail::width<CT::period::den>::value : 6u; - using precision = std::chrono::duration<rep, - std::ratio<1, static_pow10<width>::value>>; - -private: - std::chrono::seconds s_; - precision sub_s_; - -public: - CONSTCD11 decimal_format_seconds() - : s_() - , sub_s_() - {} - - CONSTCD11 explicit decimal_format_seconds(const Duration& d) NOEXCEPT - : s_(std::chrono::duration_cast<std::chrono::seconds>(d)) - , sub_s_(std::chrono::treat_as_floating_point<rep>::value ? d - s_ : - std::chrono::duration_cast<precision>(d - s_)) - {} - - CONSTCD14 std::chrono::seconds& seconds() NOEXCEPT {return s_;} - CONSTCD11 std::chrono::seconds seconds() const NOEXCEPT {return s_;} - CONSTCD11 precision subseconds() const NOEXCEPT {return sub_s_;} - - CONSTCD14 precision to_duration() const NOEXCEPT - { - return s_ + sub_s_; - } - - CONSTCD11 bool in_conventional_range() const NOEXCEPT - { - return sub_s_ < std::chrono::seconds{1} && s_ < std::chrono::minutes{1}; - } - - template <class CharT, class Traits> - friend - std::basic_ostream<CharT, Traits>& - operator<<(std::basic_ostream<CharT, Traits>& os, const decimal_format_seconds& x) - { - return x.print(os, std::chrono::treat_as_floating_point<rep>{}); - } - - template <class CharT, class Traits> - std::basic_ostream<CharT, Traits>& - print(std::basic_ostream<CharT, Traits>& os, std::true_type) const - { - date::detail::save_ostream<CharT, Traits> _(os); - std::chrono::duration<rep> d = s_ + sub_s_; - if (d < std::chrono::seconds{10}) - os << '0'; - os << std::fixed << d.count(); - return os; - } - - template <class CharT, class Traits> - std::basic_ostream<CharT, Traits>& - print(std::basic_ostream<CharT, Traits>& os, std::false_type) const - { - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << s_.count(); - if (width > 0) - { -#if !ONLY_C_LOCALE - os << std::use_facet<std::numpunct<CharT>>(os.getloc()).decimal_point(); -#else - os << '.'; -#endif - date::detail::save_ostream<CharT, Traits> _s(os); - os.imbue(std::locale::classic()); - os.width(width); - os << sub_s_.count(); - } - return os; - } -}; - -template <class Rep, class Period> -inline -CONSTCD11 -typename std::enable_if - < - std::numeric_limits<Rep>::is_signed, - std::chrono::duration<Rep, Period> - >::type -abs(std::chrono::duration<Rep, Period> d) -{ - return d >= d.zero() ? +d : -d; -} - -template <class Rep, class Period> -inline -CONSTCD11 -typename std::enable_if - < - !std::numeric_limits<Rep>::is_signed, - std::chrono::duration<Rep, Period> - >::type -abs(std::chrono::duration<Rep, Period> d) -{ - return d; -} - -} // namespace detail - -template <class Duration> -class hh_mm_ss -{ - using dfs = detail::decimal_format_seconds<typename std::common_type<Duration, - std::chrono::seconds>::type>; - - std::chrono::hours h_; - std::chrono::minutes m_; - dfs s_; - bool neg_; - -public: - static unsigned CONSTDATA fractional_width = dfs::width; - using precision = typename dfs::precision; - - CONSTCD11 hh_mm_ss() NOEXCEPT - : hh_mm_ss(Duration::zero()) - {} - - CONSTCD11 explicit hh_mm_ss(Duration d) NOEXCEPT - : h_(std::chrono::duration_cast<std::chrono::hours>(detail::abs(d))) - , m_(std::chrono::duration_cast<std::chrono::minutes>(detail::abs(d)) - h_) - , s_(detail::abs(d) - h_ - m_) - , neg_(d < Duration::zero()) - {} - - CONSTCD11 std::chrono::hours hours() const NOEXCEPT {return h_;} - CONSTCD11 std::chrono::minutes minutes() const NOEXCEPT {return m_;} - CONSTCD11 std::chrono::seconds seconds() const NOEXCEPT {return s_.seconds();} - CONSTCD14 std::chrono::seconds& - seconds(detail::undocumented) NOEXCEPT {return s_.seconds();} - CONSTCD11 precision subseconds() const NOEXCEPT {return s_.subseconds();} - CONSTCD11 bool is_negative() const NOEXCEPT {return neg_;} - - CONSTCD11 explicit operator precision() const NOEXCEPT {return to_duration();} - CONSTCD11 precision to_duration() const NOEXCEPT - {return (s_.to_duration() + m_ + h_) * (1-2*neg_);} - - CONSTCD11 bool in_conventional_range() const NOEXCEPT - { - return !neg_ && h_ < days{1} && m_ < std::chrono::hours{1} && - s_.in_conventional_range(); - } - -private: - - template <class charT, class traits> - friend - std::basic_ostream<charT, traits>& - operator<<(std::basic_ostream<charT, traits>& os, hh_mm_ss const& tod) - { - if (tod.is_negative()) - os << '-'; - if (tod.h_ < std::chrono::hours{10}) - os << '0'; - os << tod.h_.count() << ':'; - if (tod.m_ < std::chrono::minutes{10}) - os << '0'; - os << tod.m_.count() << ':' << tod.s_; - return os; - } - - template <class CharT, class Traits, class Duration2> - friend - std::basic_ostream<CharT, Traits>& - date::to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const fields<Duration2>& fds, const std::string* abbrev, - const std::chrono::seconds* offset_sec); - - template <class CharT, class Traits, class Duration2, class Alloc> - friend - std::basic_istream<CharT, Traits>& - date::from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - fields<Duration2>& fds, - std::basic_string<CharT, Traits, Alloc>* abbrev, std::chrono::minutes* offset); -}; - -inline -CONSTCD14 -bool -is_am(std::chrono::hours const& h) NOEXCEPT -{ - using std::chrono::hours; - return hours{0} <= h && h < hours{12}; -} - -inline -CONSTCD14 -bool -is_pm(std::chrono::hours const& h) NOEXCEPT -{ - using std::chrono::hours; - return hours{12} <= h && h < hours{24}; -} - -inline -CONSTCD14 -std::chrono::hours -make12(std::chrono::hours h) NOEXCEPT -{ - using std::chrono::hours; - if (h < hours{12}) - { - if (h == hours{0}) - h = hours{12}; - } - else - { - if (h != hours{12}) - h = h - hours{12}; - } - return h; -} - -inline -CONSTCD14 -std::chrono::hours -make24(std::chrono::hours h, bool is_pm) NOEXCEPT -{ - using std::chrono::hours; - if (is_pm) - { - if (h != hours{12}) - h = h + hours{12}; - } - else if (h == hours{12}) - h = hours{0}; - return h; -} - -template <class Duration> -using time_of_day = hh_mm_ss<Duration>; - -template <class Rep, class Period, - class = typename std::enable_if - <!std::chrono::treat_as_floating_point<Rep>::value>::type> -CONSTCD11 -inline -hh_mm_ss<std::chrono::duration<Rep, Period>> -make_time(const std::chrono::duration<Rep, Period>& d) -{ - return hh_mm_ss<std::chrono::duration<Rep, Period>>(d); -} - -template <class CharT, class Traits, class Duration> -inline -typename std::enable_if -< - !std::chrono::treat_as_floating_point<typename Duration::rep>::value && - std::ratio_less<typename Duration::period, days::period>::value - , std::basic_ostream<CharT, Traits>& ->::type -operator<<(std::basic_ostream<CharT, Traits>& os, const sys_time<Duration>& tp) -{ - auto const dp = date::floor<days>(tp); - return os << year_month_day(dp) << ' ' << make_time(tp-dp); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const sys_days& dp) -{ - return os << year_month_day(dp); -} - -template <class CharT, class Traits, class Duration> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const local_time<Duration>& ut) -{ - return (os << sys_time<Duration>{ut.time_since_epoch()}); -} - -namespace detail -{ - -template <class CharT, std::size_t N> -class string_literal; - -template <class CharT1, class CharT2, std::size_t N1, std::size_t N2> -inline -CONSTCD14 -string_literal<typename std::conditional<sizeof(CharT2) <= sizeof(CharT1), CharT1, CharT2>::type, - N1 + N2 - 1> -operator+(const string_literal<CharT1, N1>& x, const string_literal<CharT2, N2>& y) NOEXCEPT; - -template <class CharT, std::size_t N> -class string_literal -{ - CharT p_[N]; - - CONSTCD11 string_literal() NOEXCEPT - : p_{} - {} - -public: - using const_iterator = const CharT*; - - string_literal(string_literal const&) = default; - string_literal& operator=(string_literal const&) = delete; - - template <std::size_t N1 = 2, - class = typename std::enable_if<N1 == N>::type> - CONSTCD11 string_literal(CharT c) NOEXCEPT - : p_{c} - { - } - - template <std::size_t N1 = 3, - class = typename std::enable_if<N1 == N>::type> - CONSTCD11 string_literal(CharT c1, CharT c2) NOEXCEPT - : p_{c1, c2} - { - } - - template <std::size_t N1 = 4, - class = typename std::enable_if<N1 == N>::type> - CONSTCD11 string_literal(CharT c1, CharT c2, CharT c3) NOEXCEPT - : p_{c1, c2, c3} - { - } - - CONSTCD14 string_literal(const CharT(&a)[N]) NOEXCEPT - : p_{} - { - for (std::size_t i = 0; i < N; ++i) - p_[i] = a[i]; - } - - template <class U = CharT, - class = typename std::enable_if<(1 < sizeof(U))>::type> - CONSTCD14 string_literal(const char(&a)[N]) NOEXCEPT - : p_{} - { - for (std::size_t i = 0; i < N; ++i) - p_[i] = a[i]; - } - - template <class CharT2, - class = typename std::enable_if<!std::is_same<CharT2, CharT>::value>::type> - CONSTCD14 string_literal(string_literal<CharT2, N> const& a) NOEXCEPT - : p_{} - { - for (std::size_t i = 0; i < N; ++i) - p_[i] = a[i]; - } - - CONSTCD11 const CharT* data() const NOEXCEPT {return p_;} - CONSTCD11 std::size_t size() const NOEXCEPT {return N-1;} - - CONSTCD11 const_iterator begin() const NOEXCEPT {return p_;} - CONSTCD11 const_iterator end() const NOEXCEPT {return p_ + N-1;} - - CONSTCD11 CharT const& operator[](std::size_t n) const NOEXCEPT - { - return p_[n]; - } - - template <class Traits> - friend - std::basic_ostream<CharT, Traits>& - operator<<(std::basic_ostream<CharT, Traits>& os, const string_literal& s) - { - return os << s.p_; - } - - template <class CharT1, class CharT2, std::size_t N1, std::size_t N2> - friend - CONSTCD14 - string_literal<typename std::conditional<sizeof(CharT2) <= sizeof(CharT1), CharT1, CharT2>::type, - N1 + N2 - 1> - operator+(const string_literal<CharT1, N1>& x, const string_literal<CharT2, N2>& y) NOEXCEPT; -}; - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 3> -operator+(const string_literal<CharT, 2>& x, const string_literal<CharT, 2>& y) NOEXCEPT -{ - return string_literal<CharT, 3>(x[0], y[0]); -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 4> -operator+(const string_literal<CharT, 3>& x, const string_literal<CharT, 2>& y) NOEXCEPT -{ - return string_literal<CharT, 4>(x[0], x[1], y[0]); -} - -template <class CharT1, class CharT2, std::size_t N1, std::size_t N2> -CONSTCD14 -inline -string_literal<typename std::conditional<sizeof(CharT2) <= sizeof(CharT1), CharT1, CharT2>::type, - N1 + N2 - 1> -operator+(const string_literal<CharT1, N1>& x, const string_literal<CharT2, N2>& y) NOEXCEPT -{ - using CT = typename std::conditional<sizeof(CharT2) <= sizeof(CharT1), CharT1, CharT2>::type; - - string_literal<CT, N1 + N2 - 1> r; - std::size_t i = 0; - for (; i < N1-1; ++i) - r.p_[i] = CT(x.p_[i]); - for (std::size_t j = 0; j < N2; ++j, ++i) - r.p_[i] = CT(y.p_[j]); - - return r; -} - - -template <class CharT, class Traits, class Alloc, std::size_t N> -inline -std::basic_string<CharT, Traits, Alloc> -operator+(std::basic_string<CharT, Traits, Alloc> x, const string_literal<CharT, N>& y) -{ - x.append(y.data(), y.size()); - return x; -} - -#if __cplusplus >= 201402 && (!defined(__EDG_VERSION__) || __EDG_VERSION__ > 411) \ - && (!defined(__SUNPRO_CC) || __SUNPRO_CC > 0x5150) - -template <class CharT, - class = std::enable_if_t<std::is_same<CharT, char>{} || - std::is_same<CharT, wchar_t>{} || - std::is_same<CharT, char16_t>{} || - std::is_same<CharT, char32_t>{}>> -CONSTCD14 -inline -string_literal<CharT, 2> -msl(CharT c) NOEXCEPT -{ - return string_literal<CharT, 2>{c}; -} - -CONSTCD14 -inline -std::size_t -to_string_len(std::intmax_t i) -{ - std::size_t r = 0; - do - { - i /= 10; - ++r; - } while (i > 0); - return r; -} - -template <std::intmax_t N> -CONSTCD14 -inline -std::enable_if_t -< - N < 10, - string_literal<char, to_string_len(N)+1> -> -msl() NOEXCEPT -{ - return msl(char(N % 10 + '0')); -} - -template <std::intmax_t N> -CONSTCD14 -inline -std::enable_if_t -< - 10 <= N, - string_literal<char, to_string_len(N)+1> -> -msl() NOEXCEPT -{ - return msl<N/10>() + msl(char(N % 10 + '0')); -} - -template <class CharT, std::intmax_t N, std::intmax_t D> -CONSTCD14 -inline -std::enable_if_t -< - std::ratio<N, D>::type::den != 1, - string_literal<CharT, to_string_len(std::ratio<N, D>::type::num) + - to_string_len(std::ratio<N, D>::type::den) + 4> -> -msl(std::ratio<N, D>) NOEXCEPT -{ - using R = typename std::ratio<N, D>::type; - return msl(CharT{'['}) + msl<R::num>() + msl(CharT{'/'}) + - msl<R::den>() + msl(CharT{']'}); -} - -template <class CharT, std::intmax_t N, std::intmax_t D> -CONSTCD14 -inline -std::enable_if_t -< - std::ratio<N, D>::type::den == 1, - string_literal<CharT, to_string_len(std::ratio<N, D>::type::num) + 3> -> -msl(std::ratio<N, D>) NOEXCEPT -{ - using R = typename std::ratio<N, D>::type; - return msl(CharT{'['}) + msl<R::num>() + msl(CharT{']'}); -} - - -#else // __cplusplus < 201402 || (defined(__EDG_VERSION__) && __EDG_VERSION__ <= 411) - -inline -std::string -to_string(std::uint64_t x) -{ - return std::to_string(x); -} - -template <class CharT> -inline -std::basic_string<CharT> -to_string(std::uint64_t x) -{ - auto y = std::to_string(x); - return std::basic_string<CharT>(y.begin(), y.end()); -} - -template <class CharT, std::intmax_t N, std::intmax_t D> -inline -typename std::enable_if -< - std::ratio<N, D>::type::den != 1, - std::basic_string<CharT> ->::type -msl(std::ratio<N, D>) -{ - using R = typename std::ratio<N, D>::type; - return std::basic_string<CharT>(1, '[') + to_string<CharT>(R::num) + CharT{'/'} + - to_string<CharT>(R::den) + CharT{']'}; -} - -template <class CharT, std::intmax_t N, std::intmax_t D> -inline -typename std::enable_if -< - std::ratio<N, D>::type::den == 1, - std::basic_string<CharT> ->::type -msl(std::ratio<N, D>) -{ - using R = typename std::ratio<N, D>::type; - return std::basic_string<CharT>(1, '[') + to_string<CharT>(R::num) + CharT{']'}; -} - -#endif // __cplusplus < 201402 || (defined(__EDG_VERSION__) && __EDG_VERSION__ <= 411) - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::atto) NOEXCEPT -{ - return string_literal<CharT, 2>{'a'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::femto) NOEXCEPT -{ - return string_literal<CharT, 2>{'f'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::pico) NOEXCEPT -{ - return string_literal<CharT, 2>{'p'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::nano) NOEXCEPT -{ - return string_literal<CharT, 2>{'n'}; -} - -template <class CharT> -CONSTCD11 -inline -typename std::enable_if -< - std::is_same<CharT, char>::value, - string_literal<char, 3> ->::type -msl(std::micro) NOEXCEPT -{ - return string_literal<char, 3>{'\xC2', '\xB5'}; -} - -template <class CharT> -CONSTCD11 -inline -typename std::enable_if -< - !std::is_same<CharT, char>::value, - string_literal<CharT, 2> ->::type -msl(std::micro) NOEXCEPT -{ - return string_literal<CharT, 2>{CharT{static_cast<unsigned char>('\xB5')}}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::milli) NOEXCEPT -{ - return string_literal<CharT, 2>{'m'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::centi) NOEXCEPT -{ - return string_literal<CharT, 2>{'c'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 3> -msl(std::deca) NOEXCEPT -{ - return string_literal<CharT, 3>{'d', 'a'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::deci) NOEXCEPT -{ - return string_literal<CharT, 2>{'d'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::hecto) NOEXCEPT -{ - return string_literal<CharT, 2>{'h'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::kilo) NOEXCEPT -{ - return string_literal<CharT, 2>{'k'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::mega) NOEXCEPT -{ - return string_literal<CharT, 2>{'M'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::giga) NOEXCEPT -{ - return string_literal<CharT, 2>{'G'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::tera) NOEXCEPT -{ - return string_literal<CharT, 2>{'T'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::peta) NOEXCEPT -{ - return string_literal<CharT, 2>{'P'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -msl(std::exa) NOEXCEPT -{ - return string_literal<CharT, 2>{'E'}; -} - -template <class CharT, class Period> -CONSTCD11 -inline -auto -get_units(Period p) - -> decltype(msl<CharT>(p) + string_literal<CharT, 2>{'s'}) -{ - return msl<CharT>(p) + string_literal<CharT, 2>{'s'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -get_units(std::ratio<1>) -{ - return string_literal<CharT, 2>{'s'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -get_units(std::ratio<3600>) -{ - return string_literal<CharT, 2>{'h'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 4> -get_units(std::ratio<60>) -{ - return string_literal<CharT, 4>{'m', 'i', 'n'}; -} - -template <class CharT> -CONSTCD11 -inline -string_literal<CharT, 2> -get_units(std::ratio<86400>) -{ - return string_literal<CharT, 2>{'d'}; -} - -template <class CharT, class Traits = std::char_traits<CharT>> -struct make_string; - -template <> -struct make_string<char> -{ - template <class Rep> - static - std::string - from(Rep n) - { - return std::to_string(n); - } -}; - -template <class Traits> -struct make_string<char, Traits> -{ - template <class Rep> - static - std::basic_string<char, Traits> - from(Rep n) - { - auto s = std::to_string(n); - return std::basic_string<char, Traits>(s.begin(), s.end()); - } -}; - -template <> -struct make_string<wchar_t> -{ - template <class Rep> - static - std::wstring - from(Rep n) - { - return std::to_wstring(n); - } -}; - -template <class Traits> -struct make_string<wchar_t, Traits> -{ - template <class Rep> - static - std::basic_string<wchar_t, Traits> - from(Rep n) - { - auto s = std::to_wstring(n); - return std::basic_string<wchar_t, Traits>(s.begin(), s.end()); - } -}; - -} // namespace detail - -// to_stream - -CONSTDATA year nanyear{-32768}; - -template <class Duration> -struct fields -{ - year_month_day ymd{nanyear/0/0}; - weekday wd{8u}; - hh_mm_ss<Duration> tod{}; - bool has_tod = false; - - fields() = default; - - fields(year_month_day ymd_) : ymd(ymd_) {} - fields(weekday wd_) : wd(wd_) {} - fields(hh_mm_ss<Duration> tod_) : tod(tod_), has_tod(true) {} - - fields(year_month_day ymd_, weekday wd_) : ymd(ymd_), wd(wd_) {} - fields(year_month_day ymd_, hh_mm_ss<Duration> tod_) : ymd(ymd_), tod(tod_), - has_tod(true) {} - - fields(weekday wd_, hh_mm_ss<Duration> tod_) : wd(wd_), tod(tod_), has_tod(true) {} - - fields(year_month_day ymd_, weekday wd_, hh_mm_ss<Duration> tod_) - : ymd(ymd_) - , wd(wd_) - , tod(tod_) - , has_tod(true) - {} -}; - -namespace detail -{ - -template <class CharT, class Traits, class Duration> -unsigned -extract_weekday(std::basic_ostream<CharT, Traits>& os, const fields<Duration>& fds) -{ - if (!fds.ymd.ok() && !fds.wd.ok()) - { - // fds does not contain a valid weekday - os.setstate(std::ios::failbit); - return 8; - } - weekday wd; - if (fds.ymd.ok()) - { - wd = weekday{sys_days(fds.ymd)}; - if (fds.wd.ok() && wd != fds.wd) - { - // fds.ymd and fds.wd are inconsistent - os.setstate(std::ios::failbit); - return 8; - } - } - else - wd = fds.wd; - return static_cast<unsigned>((wd - Sunday).count()); -} - -template <class CharT, class Traits, class Duration> -unsigned -extract_month(std::basic_ostream<CharT, Traits>& os, const fields<Duration>& fds) -{ - if (!fds.ymd.month().ok()) - { - // fds does not contain a valid month - os.setstate(std::ios::failbit); - return 0; - } - return static_cast<unsigned>(fds.ymd.month()); -} - -} // namespace detail - -#if ONLY_C_LOCALE - -namespace detail -{ - -inline -std::pair<const std::string*, const std::string*> -weekday_names() -{ - static const std::string nm[] = - { - "Sunday", - "Monday", - "Tuesday", - "Wednesday", - "Thursday", - "Friday", - "Saturday", - "Sun", - "Mon", - "Tue", - "Wed", - "Thu", - "Fri", - "Sat" - }; - return std::make_pair(nm, nm+sizeof(nm)/sizeof(nm[0])); -} - -inline -std::pair<const std::string*, const std::string*> -month_names() -{ - static const std::string nm[] = - { - "January", - "February", - "March", - "April", - "May", - "June", - "July", - "August", - "September", - "October", - "November", - "December", - "Jan", - "Feb", - "Mar", - "Apr", - "May", - "Jun", - "Jul", - "Aug", - "Sep", - "Oct", - "Nov", - "Dec" - }; - return std::make_pair(nm, nm+sizeof(nm)/sizeof(nm[0])); -} - -inline -std::pair<const std::string*, const std::string*> -ampm_names() -{ - static const std::string nm[] = - { - "AM", - "PM" - }; - return std::make_pair(nm, nm+sizeof(nm)/sizeof(nm[0])); -} - -template <class CharT, class Traits, class FwdIter> -FwdIter -scan_keyword(std::basic_istream<CharT, Traits>& is, FwdIter kb, FwdIter ke) -{ - size_t nkw = static_cast<size_t>(std::distance(kb, ke)); - const unsigned char doesnt_match = '\0'; - const unsigned char might_match = '\1'; - const unsigned char does_match = '\2'; - unsigned char statbuf[100]; - unsigned char* status = statbuf; - std::unique_ptr<unsigned char, void(*)(void*)> stat_hold(0, free); - if (nkw > sizeof(statbuf)) - { - status = (unsigned char*)std::malloc(nkw); - if (status == nullptr) - throw std::bad_alloc(); - stat_hold.reset(status); - } - size_t n_might_match = nkw; // At this point, any keyword might match - size_t n_does_match = 0; // but none of them definitely do - // Initialize all statuses to might_match, except for "" keywords are does_match - unsigned char* st = status; - for (auto ky = kb; ky != ke; ++ky, ++st) - { - if (!ky->empty()) - *st = might_match; - else - { - *st = does_match; - --n_might_match; - ++n_does_match; - } - } - // While there might be a match, test keywords against the next CharT - for (size_t indx = 0; is && n_might_match > 0; ++indx) - { - // Peek at the next CharT but don't consume it - auto ic = is.peek(); - if (ic == EOF) - { - is.setstate(std::ios::eofbit); - break; - } - auto c = static_cast<char>(toupper(ic)); - bool consume = false; - // For each keyword which might match, see if the indx character is c - // If a match if found, consume c - // If a match is found, and that is the last character in the keyword, - // then that keyword matches. - // If the keyword doesn't match this character, then change the keyword - // to doesn't match - st = status; - for (auto ky = kb; ky != ke; ++ky, ++st) - { - if (*st == might_match) - { - if (c == static_cast<char>(toupper((*ky)[indx]))) - { - consume = true; - if (ky->size() == indx+1) - { - *st = does_match; - --n_might_match; - ++n_does_match; - } - } - else - { - *st = doesnt_match; - --n_might_match; - } - } - } - // consume if we matched a character - if (consume) - { - (void)is.get(); - // If we consumed a character and there might be a matched keyword that - // was marked matched on a previous iteration, then such keywords - // are now marked as not matching. - if (n_might_match + n_does_match > 1) - { - st = status; - for (auto ky = kb; ky != ke; ++ky, ++st) - { - if (*st == does_match && ky->size() != indx+1) - { - *st = doesnt_match; - --n_does_match; - } - } - } - } - } - // We've exited the loop because we hit eof and/or we have no more "might matches". - // Return the first matching result - for (st = status; kb != ke; ++kb, ++st) - if (*st == does_match) - break; - if (kb == ke) - is.setstate(std::ios::failbit); - return kb; -} - -} // namespace detail - -#endif // ONLY_C_LOCALE - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const fields<Duration>& fds, const std::string* abbrev, - const std::chrono::seconds* offset_sec) -{ -#if ONLY_C_LOCALE - using detail::weekday_names; - using detail::month_names; - using detail::ampm_names; -#endif - using detail::save_ostream; - using detail::get_units; - using detail::extract_weekday; - using detail::extract_month; - using std::ios; - using std::chrono::duration_cast; - using std::chrono::seconds; - using std::chrono::minutes; - using std::chrono::hours; - date::detail::save_ostream<CharT, Traits> ss(os); - os.fill(' '); - os.flags(std::ios::skipws | std::ios::dec); - os.width(0); - tm tm{}; - bool insert_negative = fds.has_tod && fds.tod.to_duration() < Duration::zero(); -#if !ONLY_C_LOCALE - auto& facet = std::use_facet<std::time_put<CharT>>(os.getloc()); -#endif - const CharT* command = nullptr; - CharT modified = CharT{}; - for (; *fmt; ++fmt) - { - switch (*fmt) - { - case 'a': - case 'A': - if (command) - { - if (modified == CharT{}) - { - tm.tm_wday = static_cast<int>(extract_weekday(os, fds)); - if (os.fail()) - return os; -#if !ONLY_C_LOCALE - const CharT f[] = {'%', *fmt}; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); -#else // ONLY_C_LOCALE - os << weekday_names().first[tm.tm_wday+7*(*fmt == 'a')]; -#endif // ONLY_C_LOCALE - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'b': - case 'B': - case 'h': - if (command) - { - if (modified == CharT{}) - { - tm.tm_mon = static_cast<int>(extract_month(os, fds)) - 1; -#if !ONLY_C_LOCALE - const CharT f[] = {'%', *fmt}; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); -#else // ONLY_C_LOCALE - os << month_names().first[tm.tm_mon+12*(*fmt != 'B')]; -#endif // ONLY_C_LOCALE - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'c': - case 'x': - if (command) - { - if (modified == CharT{'O'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.ok()) - os.setstate(std::ios::failbit); - if (*fmt == 'c' && !fds.has_tod) - os.setstate(std::ios::failbit); -#if !ONLY_C_LOCALE - tm = std::tm{}; - auto const& ymd = fds.ymd; - auto ld = local_days(ymd); - if (*fmt == 'c') - { - tm.tm_sec = static_cast<int>(fds.tod.seconds().count()); - tm.tm_min = static_cast<int>(fds.tod.minutes().count()); - tm.tm_hour = static_cast<int>(fds.tod.hours().count()); - } - tm.tm_mday = static_cast<int>(static_cast<unsigned>(ymd.day())); - tm.tm_mon = static_cast<int>(extract_month(os, fds) - 1); - tm.tm_year = static_cast<int>(ymd.year()) - 1900; - tm.tm_wday = static_cast<int>(extract_weekday(os, fds)); - if (os.fail()) - return os; - tm.tm_yday = static_cast<int>((ld - local_days(ymd.year()/1/1)).count()); - CharT f[3] = {'%'}; - auto fe = std::begin(f) + 1; - if (modified == CharT{'E'}) - *fe++ = modified; - *fe++ = *fmt; - facet.put(os, os, os.fill(), &tm, std::begin(f), fe); -#else // ONLY_C_LOCALE - if (*fmt == 'c') - { - auto wd = static_cast<int>(extract_weekday(os, fds)); - os << weekday_names().first[static_cast<unsigned>(wd)+7] - << ' '; - os << month_names().first[extract_month(os, fds)-1+12] << ' '; - auto d = static_cast<int>(static_cast<unsigned>(fds.ymd.day())); - if (d < 10) - os << ' '; - os << d << ' ' - << make_time(duration_cast<seconds>(fds.tod.to_duration())) - << ' ' << fds.ymd.year(); - - } - else // *fmt == 'x' - { - auto const& ymd = fds.ymd; - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(ymd.month()) << CharT{'/'}; - os.width(2); - os << static_cast<unsigned>(ymd.day()) << CharT{'/'}; - os.width(2); - os << static_cast<int>(ymd.year()) % 100; - } -#endif // ONLY_C_LOCALE - } - command = nullptr; - modified = CharT{}; - } - else - os << *fmt; - break; - case 'C': - if (command) - { - if (modified == CharT{'O'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.year().ok()) - os.setstate(std::ios::failbit); - auto y = static_cast<int>(fds.ymd.year()); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - if (y >= 0) - { - os.width(2); - os << y/100; - } - else - { - os << CharT{'-'}; - os.width(2); - os << -(y-99)/100; - } - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'E'}) - { - tm.tm_year = y - 1900; - CharT f[3] = {'%', 'E', 'C'}; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - command = nullptr; - modified = CharT{}; - } - else - os << *fmt; - break; - case 'd': - case 'e': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.day().ok()) - os.setstate(std::ios::failbit); - auto d = static_cast<int>(static_cast<unsigned>(fds.ymd.day())); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - save_ostream<CharT, Traits> _(os); - if (*fmt == CharT{'d'}) - os.fill('0'); - else - os.fill(' '); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << d; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - tm.tm_mday = d; - CharT f[3] = {'%', 'O', *fmt}; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - command = nullptr; - modified = CharT{}; - } - else - os << *fmt; - break; - case 'D': - if (command) - { - if (modified == CharT{}) - { - if (!fds.ymd.ok()) - os.setstate(std::ios::failbit); - auto const& ymd = fds.ymd; - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(ymd.month()) << CharT{'/'}; - os.width(2); - os << static_cast<unsigned>(ymd.day()) << CharT{'/'}; - os.width(2); - os << static_cast<int>(ymd.year()) % 100; - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'F': - if (command) - { - if (modified == CharT{}) - { - if (!fds.ymd.ok()) - os.setstate(std::ios::failbit); - auto const& ymd = fds.ymd; - save_ostream<CharT, Traits> _(os); - os.imbue(std::locale::classic()); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(4); - os << static_cast<int>(ymd.year()) << CharT{'-'}; - os.width(2); - os << static_cast<unsigned>(ymd.month()) << CharT{'-'}; - os.width(2); - os << static_cast<unsigned>(ymd.day()); - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'g': - case 'G': - if (command) - { - if (modified == CharT{}) - { - if (!fds.ymd.ok()) - os.setstate(std::ios::failbit); - auto ld = local_days(fds.ymd); - auto y = year_month_day{ld + days{3}}.year(); - auto start = local_days((y-years{1})/December/Thursday[last]) + - (Monday-Thursday); - if (ld < start) - --y; - if (*fmt == CharT{'G'}) - os << y; - else - { - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << std::abs(static_cast<int>(y)) % 100; - } - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'H': - case 'I': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - if (insert_negative) - { - os << '-'; - insert_negative = false; - } - auto hms = fds.tod; -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - auto h = *fmt == CharT{'I'} ? date::make12(hms.hours()) : hms.hours(); - if (h < hours{10}) - os << CharT{'0'}; - os << h.count(); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_hour = static_cast<int>(hms.hours().count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'j': - if (command) - { - if (modified == CharT{}) - { - if (fds.ymd.ok() || fds.has_tod) - { - days doy; - if (fds.ymd.ok()) - { - auto ld = local_days(fds.ymd); - auto y = fds.ymd.year(); - doy = ld - local_days(y/January/1) + days{1}; - } - else - { - doy = duration_cast<days>(fds.tod.to_duration()); - } - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(3); - os << doy.count(); - } - else - { - os.setstate(std::ios::failbit); - } - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'm': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.month().ok()) - os.setstate(std::ios::failbit); - auto m = static_cast<unsigned>(fds.ymd.month()); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - if (m < 10) - os << CharT{'0'}; - os << m; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_mon = static_cast<int>(m-1); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'M': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - if (insert_negative) - { - os << '-'; - insert_negative = false; - } -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - if (fds.tod.minutes() < minutes{10}) - os << CharT{'0'}; - os << fds.tod.minutes().count(); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_min = static_cast<int>(fds.tod.minutes().count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'n': - if (command) - { - if (modified == CharT{}) - os << CharT{'\n'}; - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'p': - if (command) - { - if (modified == CharT{}) - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); -#if !ONLY_C_LOCALE - const CharT f[] = {'%', *fmt}; - tm.tm_hour = static_cast<int>(fds.tod.hours().count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); -#else - if (date::is_am(fds.tod.hours())) - os << ampm_names().first[0]; - else - os << ampm_names().first[1]; -#endif - } - else - { - os << CharT{'%'} << modified << *fmt; - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'Q': - case 'q': - if (command) - { - if (modified == CharT{}) - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - auto d = fds.tod.to_duration(); - if (*fmt == 'q') - os << get_units<CharT>(typename decltype(d)::period::type{}); - else - os << d.count(); - } - else - { - os << CharT{'%'} << modified << *fmt; - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'r': - if (command) - { - if (modified == CharT{}) - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); -#if !ONLY_C_LOCALE - const CharT f[] = {'%', *fmt}; - tm.tm_hour = static_cast<int>(fds.tod.hours().count()); - tm.tm_min = static_cast<int>(fds.tod.minutes().count()); - tm.tm_sec = static_cast<int>(fds.tod.seconds().count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); -#else - hh_mm_ss<seconds> tod(duration_cast<seconds>(fds.tod.to_duration())); - save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.width(2); - os << date::make12(tod.hours()).count() << CharT{':'}; - os.width(2); - os << tod.minutes().count() << CharT{':'}; - os.width(2); - os << tod.seconds().count() << CharT{' '}; - if (date::is_am(tod.hours())) - os << ampm_names().first[0]; - else - os << ampm_names().first[1]; -#endif - } - else - { - os << CharT{'%'} << modified << *fmt; - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'R': - if (command) - { - if (modified == CharT{}) - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - if (fds.tod.hours() < hours{10}) - os << CharT{'0'}; - os << fds.tod.hours().count() << CharT{':'}; - if (fds.tod.minutes() < minutes{10}) - os << CharT{'0'}; - os << fds.tod.minutes().count(); - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'S': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - if (insert_negative) - { - os << '-'; - insert_negative = false; - } -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - os << fds.tod.s_; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_sec = static_cast<int>(fds.tod.s_.seconds().count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 't': - if (command) - { - if (modified == CharT{}) - os << CharT{'\t'}; - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'T': - if (command) - { - if (modified == CharT{}) - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); - os << fds.tod; - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'u': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - auto wd = extract_weekday(os, fds); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - os << (wd != 0 ? wd : 7u); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_wday = static_cast<int>(wd); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'U': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - auto const& ymd = fds.ymd; - if (!ymd.ok()) - os.setstate(std::ios::failbit); - auto ld = local_days(ymd); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - auto st = local_days(Sunday[1]/January/ymd.year()); - if (ld < st) - os << CharT{'0'} << CharT{'0'}; - else - { - auto wn = duration_cast<weeks>(ld - st).count() + 1; - if (wn < 10) - os << CharT{'0'}; - os << wn; - } - } - #if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_year = static_cast<int>(ymd.year()) - 1900; - tm.tm_wday = static_cast<int>(extract_weekday(os, fds)); - if (os.fail()) - return os; - tm.tm_yday = static_cast<int>((ld - local_days(ymd.year()/1/1)).count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'V': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.ok()) - os.setstate(std::ios::failbit); - auto ld = local_days(fds.ymd); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - auto y = year_month_day{ld + days{3}}.year(); - auto st = local_days((y-years{1})/12/Thursday[last]) + - (Monday-Thursday); - if (ld < st) - { - --y; - st = local_days((y - years{1})/12/Thursday[last]) + - (Monday-Thursday); - } - auto wn = duration_cast<weeks>(ld - st).count() + 1; - if (wn < 10) - os << CharT{'0'}; - os << wn; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - auto const& ymd = fds.ymd; - tm.tm_year = static_cast<int>(ymd.year()) - 1900; - tm.tm_wday = static_cast<int>(extract_weekday(os, fds)); - if (os.fail()) - return os; - tm.tm_yday = static_cast<int>((ld - local_days(ymd.year()/1/1)).count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'w': - if (command) - { - auto wd = extract_weekday(os, fds); - if (os.fail()) - return os; -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - os << wd; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_wday = static_cast<int>(wd); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - else - { - os << CharT{'%'} << modified << *fmt; - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'W': - if (command) - { - if (modified == CharT{'E'}) - os << CharT{'%'} << modified << *fmt; - else - { - auto const& ymd = fds.ymd; - if (!ymd.ok()) - os.setstate(std::ios::failbit); - auto ld = local_days(ymd); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - auto st = local_days(Monday[1]/January/ymd.year()); - if (ld < st) - os << CharT{'0'} << CharT{'0'}; - else - { - auto wn = duration_cast<weeks>(ld - st).count() + 1; - if (wn < 10) - os << CharT{'0'}; - os << wn; - } - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_year = static_cast<int>(ymd.year()) - 1900; - tm.tm_wday = static_cast<int>(extract_weekday(os, fds)); - if (os.fail()) - return os; - tm.tm_yday = static_cast<int>((ld - local_days(ymd.year()/1/1)).count()); - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'X': - if (command) - { - if (modified == CharT{'O'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.has_tod) - os.setstate(std::ios::failbit); -#if !ONLY_C_LOCALE - tm = std::tm{}; - tm.tm_sec = static_cast<int>(fds.tod.seconds().count()); - tm.tm_min = static_cast<int>(fds.tod.minutes().count()); - tm.tm_hour = static_cast<int>(fds.tod.hours().count()); - CharT f[3] = {'%'}; - auto fe = std::begin(f) + 1; - if (modified == CharT{'E'}) - *fe++ = modified; - *fe++ = *fmt; - facet.put(os, os, os.fill(), &tm, std::begin(f), fe); -#else - os << fds.tod; -#endif - } - command = nullptr; - modified = CharT{}; - } - else - os << *fmt; - break; - case 'y': - if (command) - { - if (!fds.ymd.year().ok()) - os.setstate(std::ios::failbit); - auto y = static_cast<int>(fds.ymd.year()); -#if !ONLY_C_LOCALE - if (modified == CharT{}) - { -#endif - y = std::abs(y) % 100; - if (y < 10) - os << CharT{'0'}; - os << y; -#if !ONLY_C_LOCALE - } - else - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_year = y - 1900; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'Y': - if (command) - { - if (modified == CharT{'O'}) - os << CharT{'%'} << modified << *fmt; - else - { - if (!fds.ymd.year().ok()) - os.setstate(std::ios::failbit); - auto y = fds.ymd.year(); -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - save_ostream<CharT, Traits> _(os); - os.imbue(std::locale::classic()); - os << y; - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'E'}) - { - const CharT f[] = {'%', modified, *fmt}; - tm.tm_year = static_cast<int>(y) - 1900; - facet.put(os, os, os.fill(), &tm, std::begin(f), std::end(f)); - } -#endif - } - modified = CharT{}; - command = nullptr; - } - else - os << *fmt; - break; - case 'z': - if (command) - { - if (offset_sec == nullptr) - { - // Can not format %z with unknown offset - os.setstate(ios::failbit); - return os; - } - auto m = duration_cast<minutes>(*offset_sec); - auto neg = m < minutes{0}; - m = date::abs(m); - auto h = duration_cast<hours>(m); - m -= h; - if (neg) - os << CharT{'-'}; - else - os << CharT{'+'}; - if (h < hours{10}) - os << CharT{'0'}; - os << h.count(); - if (modified != CharT{}) - os << CharT{':'}; - if (m < minutes{10}) - os << CharT{'0'}; - os << m.count(); - command = nullptr; - modified = CharT{}; - } - else - os << *fmt; - break; - case 'Z': - if (command) - { - if (modified == CharT{}) - { - if (abbrev == nullptr) - { - // Can not format %Z with unknown time_zone - os.setstate(ios::failbit); - return os; - } - for (auto c : *abbrev) - os << CharT(c); - } - else - { - os << CharT{'%'} << modified << *fmt; - modified = CharT{}; - } - command = nullptr; - } - else - os << *fmt; - break; - case 'E': - case 'O': - if (command) - { - if (modified == CharT{}) - { - modified = *fmt; - } - else - { - os << CharT{'%'} << modified << *fmt; - command = nullptr; - modified = CharT{}; - } - } - else - os << *fmt; - break; - case '%': - if (command) - { - if (modified == CharT{}) - { - os << CharT{'%'}; - command = nullptr; - } - else - { - os << CharT{'%'} << modified << CharT{'%'}; - command = nullptr; - modified = CharT{}; - } - } - else - command = fmt; - break; - default: - if (command) - { - os << CharT{'%'}; - command = nullptr; - } - if (modified != CharT{}) - { - os << modified; - modified = CharT{}; - } - os << *fmt; - break; - } - } - if (command) - os << CharT{'%'}; - if (modified != CharT{}) - os << modified; - return os; -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const year& y) -{ - using CT = std::chrono::seconds; - fields<CT> fds{y/0/0}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const month& m) -{ - using CT = std::chrono::seconds; - fields<CT> fds{m/0/nanyear}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const day& d) -{ - using CT = std::chrono::seconds; - fields<CT> fds{d/0/nanyear}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const weekday& wd) -{ - using CT = std::chrono::seconds; - fields<CT> fds{wd}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const year_month& ym) -{ - using CT = std::chrono::seconds; - fields<CT> fds{ym/0}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, const month_day& md) -{ - using CT = std::chrono::seconds; - fields<CT> fds{md/nanyear}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const year_month_day& ymd) -{ - using CT = std::chrono::seconds; - fields<CT> fds{ymd}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits, class Rep, class Period> -inline -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const std::chrono::duration<Rep, Period>& d) -{ - using Duration = std::chrono::duration<Rep, Period>; - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - fields<CT> fds{hh_mm_ss<CT>{d}}; - return to_stream(os, fmt, fds); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const local_time<Duration>& tp, const std::string* abbrev = nullptr, - const std::chrono::seconds* offset_sec = nullptr) -{ - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - auto ld = floor<days>(tp); - fields<CT> fds{year_month_day{ld}, hh_mm_ss<CT>{tp-local_seconds{ld}}}; - return to_stream(os, fmt, fds, abbrev, offset_sec); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const sys_time<Duration>& tp) -{ - using std::chrono::seconds; - using CT = typename std::common_type<Duration, seconds>::type; - const std::string abbrev("UTC"); - CONSTDATA seconds offset{0}; - auto sd = floor<days>(tp); - fields<CT> fds{year_month_day{sd}, hh_mm_ss<CT>{tp-sys_seconds{sd}}}; - return to_stream(os, fmt, fds, &abbrev, &offset); -} - -// format - -template <class CharT, class Streamable> -auto -format(const std::locale& loc, const CharT* fmt, const Streamable& tp) - -> decltype(to_stream(std::declval<std::basic_ostream<CharT>&>(), fmt, tp), - std::basic_string<CharT>{}) -{ - std::basic_ostringstream<CharT> os; - os.exceptions(std::ios::failbit | std::ios::badbit); - os.imbue(loc); - to_stream(os, fmt, tp); - return os.str(); -} - -template <class CharT, class Streamable> -auto -format(const CharT* fmt, const Streamable& tp) - -> decltype(to_stream(std::declval<std::basic_ostream<CharT>&>(), fmt, tp), - std::basic_string<CharT>{}) -{ - std::basic_ostringstream<CharT> os; - os.exceptions(std::ios::failbit | std::ios::badbit); - to_stream(os, fmt, tp); - return os.str(); -} - -template <class CharT, class Traits, class Alloc, class Streamable> -auto -format(const std::locale& loc, const std::basic_string<CharT, Traits, Alloc>& fmt, - const Streamable& tp) - -> decltype(to_stream(std::declval<std::basic_ostream<CharT, Traits>&>(), fmt.c_str(), tp), - std::basic_string<CharT, Traits, Alloc>{}) -{ - std::basic_ostringstream<CharT, Traits, Alloc> os; - os.exceptions(std::ios::failbit | std::ios::badbit); - os.imbue(loc); - to_stream(os, fmt.c_str(), tp); - return os.str(); -} - -template <class CharT, class Traits, class Alloc, class Streamable> -auto -format(const std::basic_string<CharT, Traits, Alloc>& fmt, const Streamable& tp) - -> decltype(to_stream(std::declval<std::basic_ostream<CharT, Traits>&>(), fmt.c_str(), tp), - std::basic_string<CharT, Traits, Alloc>{}) -{ - std::basic_ostringstream<CharT, Traits, Alloc> os; - os.exceptions(std::ios::failbit | std::ios::badbit); - to_stream(os, fmt.c_str(), tp); - return os.str(); -} - -// parse - -namespace detail -{ - -template <class CharT, class Traits> -bool -read_char(std::basic_istream<CharT, Traits>& is, CharT fmt, std::ios::iostate& err) -{ - auto ic = is.get(); - if (Traits::eq_int_type(ic, Traits::eof()) || - !Traits::eq(Traits::to_char_type(ic), fmt)) - { - err |= std::ios::failbit; - is.setstate(std::ios::failbit); - return false; - } - return true; -} - -template <class CharT, class Traits> -unsigned -read_unsigned(std::basic_istream<CharT, Traits>& is, unsigned m = 1, unsigned M = 10) -{ - unsigned x = 0; - unsigned count = 0; - while (true) - { - auto ic = is.peek(); - if (Traits::eq_int_type(ic, Traits::eof())) - break; - auto c = static_cast<char>(Traits::to_char_type(ic)); - if (!('0' <= c && c <= '9')) - break; - (void)is.get(); - ++count; - x = 10*x + static_cast<unsigned>(c - '0'); - if (count == M) - break; - } - if (count < m) - is.setstate(std::ios::failbit); - return x; -} - -template <class CharT, class Traits> -int -read_signed(std::basic_istream<CharT, Traits>& is, unsigned m = 1, unsigned M = 10) -{ - auto ic = is.peek(); - if (!Traits::eq_int_type(ic, Traits::eof())) - { - auto c = static_cast<char>(Traits::to_char_type(ic)); - if (('0' <= c && c <= '9') || c == '-' || c == '+') - { - if (c == '-' || c == '+') - (void)is.get(); - auto x = static_cast<int>(read_unsigned(is, std::max(m, 1u), M)); - if (!is.fail()) - { - if (c == '-') - x = -x; - return x; - } - } - } - if (m > 0) - is.setstate(std::ios::failbit); - return 0; -} - -template <class CharT, class Traits> -long double -read_long_double(std::basic_istream<CharT, Traits>& is, unsigned m = 1, unsigned M = 10) -{ - unsigned count = 0; - auto decimal_point = Traits::to_int_type( - std::use_facet<std::numpunct<CharT>>(is.getloc()).decimal_point()); - std::string buf; - while (true) - { - auto ic = is.peek(); - if (Traits::eq_int_type(ic, Traits::eof())) - break; - if (Traits::eq_int_type(ic, decimal_point)) - { - buf += '.'; - decimal_point = Traits::eof(); - is.get(); - } - else - { - auto c = static_cast<char>(Traits::to_char_type(ic)); - if (!('0' <= c && c <= '9')) - break; - buf += c; - (void)is.get(); - } - if (++count == M) - break; - } - if (count < m) - { - is.setstate(std::ios::failbit); - return 0; - } - return std::stold(buf); -} - -struct rs -{ - int& i; - unsigned m; - unsigned M; -}; - -struct ru -{ - int& i; - unsigned m; - unsigned M; -}; - -struct rld -{ - long double& i; - unsigned m; - unsigned M; -}; - -template <class CharT, class Traits> -void -read(std::basic_istream<CharT, Traits>&) -{ -} - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, CharT a0, Args&& ...args); - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, rs a0, Args&& ...args); - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, ru a0, Args&& ...args); - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, int a0, Args&& ...args); - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, rld a0, Args&& ...args); - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, CharT a0, Args&& ...args) -{ - // No-op if a0 == CharT{} - if (a0 != CharT{}) - { - auto ic = is.peek(); - if (Traits::eq_int_type(ic, Traits::eof())) - { - is.setstate(std::ios::failbit | std::ios::eofbit); - return; - } - if (!Traits::eq(Traits::to_char_type(ic), a0)) - { - is.setstate(std::ios::failbit); - return; - } - (void)is.get(); - } - read(is, std::forward<Args>(args)...); -} - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, rs a0, Args&& ...args) -{ - auto x = read_signed(is, a0.m, a0.M); - if (is.fail()) - return; - a0.i = x; - read(is, std::forward<Args>(args)...); -} - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, ru a0, Args&& ...args) -{ - auto x = read_unsigned(is, a0.m, a0.M); - if (is.fail()) - return; - a0.i = static_cast<int>(x); - read(is, std::forward<Args>(args)...); -} - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, int a0, Args&& ...args) -{ - if (a0 != -1) - { - auto u = static_cast<unsigned>(a0); - CharT buf[std::numeric_limits<unsigned>::digits10+2u] = {}; - auto e = buf; - do - { - *e++ = static_cast<CharT>(CharT(u % 10) + CharT{'0'}); - u /= 10; - } while (u > 0); - std::reverse(buf, e); - for (auto p = buf; p != e && is.rdstate() == std::ios::goodbit; ++p) - read(is, *p); - } - if (is.rdstate() == std::ios::goodbit) - read(is, std::forward<Args>(args)...); -} - -template <class CharT, class Traits, class ...Args> -void -read(std::basic_istream<CharT, Traits>& is, rld a0, Args&& ...args) -{ - auto x = read_long_double(is, a0.m, a0.M); - if (is.fail()) - return; - a0.i = x; - read(is, std::forward<Args>(args)...); -} - -template <class T, class CharT, class Traits> -inline -void -checked_set(T& value, T from, T not_a_value, std::basic_ios<CharT, Traits>& is) -{ - if (!is.fail()) - { - if (value == not_a_value) - value = std::move(from); - else if (value != from) - is.setstate(std::ios::failbit); - } -} - -} // namespace detail; - -template <class CharT, class Traits, class Duration, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - fields<Duration>& fds, std::basic_string<CharT, Traits, Alloc>* abbrev, - std::chrono::minutes* offset) -{ - using std::numeric_limits; - using std::ios; - using std::chrono::duration; - using std::chrono::duration_cast; - using std::chrono::seconds; - using std::chrono::minutes; - using std::chrono::hours; - typename std::basic_istream<CharT, Traits>::sentry ok{is, true}; - if (ok) - { - date::detail::save_istream<CharT, Traits> ss(is); - is.fill(' '); - is.flags(std::ios::skipws | std::ios::dec); - is.width(0); -#if !ONLY_C_LOCALE - auto& f = std::use_facet<std::time_get<CharT>>(is.getloc()); - std::tm tm{}; -#endif - const CharT* command = nullptr; - auto modified = CharT{}; - auto width = -1; - - CONSTDATA int not_a_year = numeric_limits<int>::min(); - CONSTDATA int not_a_2digit_year = 100; - CONSTDATA int not_a_century = not_a_year / 100; - CONSTDATA int not_a_month = 0; - CONSTDATA int not_a_day = 0; - CONSTDATA int not_a_hour = numeric_limits<int>::min(); - CONSTDATA int not_a_hour_12_value = 0; - CONSTDATA int not_a_minute = not_a_hour; - CONSTDATA Duration not_a_second = Duration::min(); - CONSTDATA int not_a_doy = -1; - CONSTDATA int not_a_weekday = 8; - CONSTDATA int not_a_week_num = 100; - CONSTDATA int not_a_ampm = -1; - CONSTDATA minutes not_a_offset = minutes::min(); - - int Y = not_a_year; // c, F, Y * - int y = not_a_2digit_year; // D, x, y * - int g = not_a_2digit_year; // g * - int G = not_a_year; // G * - int C = not_a_century; // C * - int m = not_a_month; // b, B, h, m, c, D, F, x * - int d = not_a_day; // c, d, D, e, F, x * - int j = not_a_doy; // j * - int wd = not_a_weekday; // a, A, u, w * - int H = not_a_hour; // c, H, R, T, X * - int I = not_a_hour_12_value; // I, r * - int p = not_a_ampm; // p, r * - int M = not_a_minute; // c, M, r, R, T, X * - Duration s = not_a_second; // c, r, S, T, X * - int U = not_a_week_num; // U * - int V = not_a_week_num; // V * - int W = not_a_week_num; // W * - std::basic_string<CharT, Traits, Alloc> temp_abbrev; // Z * - minutes temp_offset = not_a_offset; // z * - - using detail::read; - using detail::rs; - using detail::ru; - using detail::rld; - using detail::checked_set; - for (; *fmt != CharT{} && !is.fail(); ++fmt) - { - switch (*fmt) - { - case 'a': - case 'A': - case 'u': - case 'w': // wd: a, A, u, w - if (command) - { - int trial_wd = not_a_weekday; - if (*fmt == 'a' || *fmt == 'A') - { - if (modified == CharT{}) - { -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - is.setstate(err); - if (!is.fail()) - trial_wd = tm.tm_wday; -#else - auto nm = detail::weekday_names(); - auto i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - if (!is.fail()) - trial_wd = i % 7; -#endif - } - else - read(is, CharT{'%'}, width, modified, *fmt); - } - else // *fmt == 'u' || *fmt == 'w' - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - read(is, ru{trial_wd, 1, width == -1 ? - 1u : static_cast<unsigned>(width)}); - if (!is.fail()) - { - if (*fmt == 'u') - { - if (!(1 <= trial_wd && trial_wd <= 7)) - { - trial_wd = not_a_weekday; - is.setstate(ios::failbit); - } - else if (trial_wd == 7) - trial_wd = 0; - } - else // *fmt == 'w' - { - if (!(0 <= trial_wd && trial_wd <= 6)) - { - trial_wd = not_a_weekday; - is.setstate(ios::failbit); - } - } - } - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - is.setstate(err); - if (!is.fail()) - trial_wd = tm.tm_wday; - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - } - if (trial_wd != not_a_weekday) - checked_set(wd, trial_wd, not_a_weekday, is); - } - else // !command - read(is, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - break; - case 'b': - case 'B': - case 'h': - if (command) - { - if (modified == CharT{}) - { - int ttm = not_a_month; -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - ttm = tm.tm_mon + 1; - is.setstate(err); -#else - auto nm = detail::month_names(); - auto i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - if (!is.fail()) - ttm = i % 12 + 1; -#endif - checked_set(m, ttm, not_a_month, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'c': - if (command) - { - if (modified != CharT{'O'}) - { -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - { - checked_set(Y, tm.tm_year + 1900, not_a_year, is); - checked_set(m, tm.tm_mon + 1, not_a_month, is); - checked_set(d, tm.tm_mday, not_a_day, is); - checked_set(H, tm.tm_hour, not_a_hour, is); - checked_set(M, tm.tm_min, not_a_minute, is); - checked_set(s, duration_cast<Duration>(seconds{tm.tm_sec}), - not_a_second, is); - } - is.setstate(err); -#else - // "%a %b %e %T %Y" - auto nm = detail::weekday_names(); - auto i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - checked_set(wd, static_cast<int>(i % 7), not_a_weekday, is); - ws(is); - nm = detail::month_names(); - i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - checked_set(m, static_cast<int>(i % 12 + 1), not_a_month, is); - ws(is); - int td = not_a_day; - read(is, rs{td, 1, 2}); - checked_set(d, td, not_a_day, is); - ws(is); - using dfs = detail::decimal_format_seconds<Duration>; - CONSTDATA auto w = Duration::period::den == 1 ? 2 : 3 + dfs::width; - int tH; - int tM; - long double S; - read(is, ru{tH, 1, 2}, CharT{':'}, ru{tM, 1, 2}, - CharT{':'}, rld{S, 1, w}); - checked_set(H, tH, not_a_hour, is); - checked_set(M, tM, not_a_minute, is); - checked_set(s, round<Duration>(duration<long double>{S}), - not_a_second, is); - ws(is); - int tY = not_a_year; - read(is, rs{tY, 1, 4u}); - checked_set(Y, tY, not_a_year, is); -#endif - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'x': - if (command) - { - if (modified != CharT{'O'}) - { -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - { - checked_set(Y, tm.tm_year + 1900, not_a_year, is); - checked_set(m, tm.tm_mon + 1, not_a_month, is); - checked_set(d, tm.tm_mday, not_a_day, is); - } - is.setstate(err); -#else - // "%m/%d/%y" - int ty = not_a_2digit_year; - int tm = not_a_month; - int td = not_a_day; - read(is, ru{tm, 1, 2}, CharT{'/'}, ru{td, 1, 2}, CharT{'/'}, - rs{ty, 1, 2}); - checked_set(y, ty, not_a_2digit_year, is); - checked_set(m, tm, not_a_month, is); - checked_set(d, td, not_a_day, is); -#endif - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'X': - if (command) - { - if (modified != CharT{'O'}) - { -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - { - checked_set(H, tm.tm_hour, not_a_hour, is); - checked_set(M, tm.tm_min, not_a_minute, is); - checked_set(s, duration_cast<Duration>(seconds{tm.tm_sec}), - not_a_second, is); - } - is.setstate(err); -#else - // "%T" - using dfs = detail::decimal_format_seconds<Duration>; - CONSTDATA auto w = Duration::period::den == 1 ? 2 : 3 + dfs::width; - int tH = not_a_hour; - int tM = not_a_minute; - long double S; - read(is, ru{tH, 1, 2}, CharT{':'}, ru{tM, 1, 2}, - CharT{':'}, rld{S, 1, w}); - checked_set(H, tH, not_a_hour, is); - checked_set(M, tM, not_a_minute, is); - checked_set(s, round<Duration>(duration<long double>{S}), - not_a_second, is); -#endif - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'C': - if (command) - { - int tC = not_a_century; -#if !ONLY_C_LOCALE - if (modified == CharT{}) - { -#endif - read(is, rs{tC, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); -#if !ONLY_C_LOCALE - } - else - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - { - auto tY = tm.tm_year + 1900; - tC = (tY >= 0 ? tY : tY-99) / 100; - } - is.setstate(err); - } -#endif - checked_set(C, tC, not_a_century, is); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'D': - if (command) - { - if (modified == CharT{}) - { - int tn = not_a_month; - int td = not_a_day; - int ty = not_a_2digit_year; - read(is, ru{tn, 1, 2}, CharT{'\0'}, CharT{'/'}, CharT{'\0'}, - ru{td, 1, 2}, CharT{'\0'}, CharT{'/'}, CharT{'\0'}, - rs{ty, 1, 2}); - checked_set(y, ty, not_a_2digit_year, is); - checked_set(m, tn, not_a_month, is); - checked_set(d, td, not_a_day, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'F': - if (command) - { - if (modified == CharT{}) - { - int tY = not_a_year; - int tn = not_a_month; - int td = not_a_day; - read(is, rs{tY, 1, width == -1 ? 4u : static_cast<unsigned>(width)}, - CharT{'-'}, ru{tn, 1, 2}, CharT{'-'}, ru{td, 1, 2}); - checked_set(Y, tY, not_a_year, is); - checked_set(m, tn, not_a_month, is); - checked_set(d, td, not_a_day, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'd': - case 'e': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - int td = not_a_day; - read(is, rs{td, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(d, td, not_a_day, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - command = nullptr; - width = -1; - modified = CharT{}; - if ((err & ios::failbit) == 0) - checked_set(d, tm.tm_mday, not_a_day, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'H': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - int tH = not_a_hour; - read(is, ru{tH, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(H, tH, not_a_hour, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(H, tm.tm_hour, not_a_hour, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'I': - if (command) - { - if (modified == CharT{}) - { - int tI = not_a_hour_12_value; - // reads in an hour into I, but most be in [1, 12] - read(is, rs{tI, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - if (!(1 <= tI && tI <= 12)) - is.setstate(ios::failbit); - checked_set(I, tI, not_a_hour_12_value, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'j': - if (command) - { - if (modified == CharT{}) - { - int tj = not_a_doy; - read(is, ru{tj, 1, width == -1 ? 3u : static_cast<unsigned>(width)}); - checked_set(j, tj, not_a_doy, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'M': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - int tM = not_a_minute; - read(is, ru{tM, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(M, tM, not_a_minute, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(M, tm.tm_min, not_a_minute, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'm': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - int tn = not_a_month; - read(is, rs{tn, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(m, tn, not_a_month, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(m, tm.tm_mon + 1, not_a_month, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'n': - case 't': - if (command) - { - if (modified == CharT{}) - { - // %n matches a single white space character - // %t matches 0 or 1 white space characters - auto ic = is.peek(); - if (Traits::eq_int_type(ic, Traits::eof())) - { - ios::iostate err = ios::eofbit; - if (*fmt == 'n') - err |= ios::failbit; - is.setstate(err); - break; - } - if (isspace(ic)) - { - (void)is.get(); - } - else if (*fmt == 'n') - is.setstate(ios::failbit); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'p': - if (command) - { - if (modified == CharT{}) - { - int tp = not_a_ampm; -#if !ONLY_C_LOCALE - tm = std::tm{}; - tm.tm_hour = 1; - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - is.setstate(err); - if (tm.tm_hour == 1) - tp = 0; - else if (tm.tm_hour == 13) - tp = 1; - else - is.setstate(err); -#else - auto nm = detail::ampm_names(); - auto i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - tp = i; -#endif - checked_set(p, tp, not_a_ampm, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - - break; - case 'r': - if (command) - { - if (modified == CharT{}) - { -#if !ONLY_C_LOCALE - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - { - checked_set(H, tm.tm_hour, not_a_hour, is); - checked_set(M, tm.tm_min, not_a_hour, is); - checked_set(s, duration_cast<Duration>(seconds{tm.tm_sec}), - not_a_second, is); - } - is.setstate(err); -#else - // "%I:%M:%S %p" - using dfs = detail::decimal_format_seconds<Duration>; - CONSTDATA auto w = Duration::period::den == 1 ? 2 : 3 + dfs::width; - long double S; - int tI = not_a_hour_12_value; - int tM = not_a_minute; - read(is, ru{tI, 1, 2}, CharT{':'}, ru{tM, 1, 2}, - CharT{':'}, rld{S, 1, w}); - checked_set(I, tI, not_a_hour_12_value, is); - checked_set(M, tM, not_a_minute, is); - checked_set(s, round<Duration>(duration<long double>{S}), - not_a_second, is); - ws(is); - auto nm = detail::ampm_names(); - auto i = detail::scan_keyword(is, nm.first, nm.second) - nm.first; - checked_set(p, static_cast<int>(i), not_a_ampm, is); -#endif - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'R': - if (command) - { - if (modified == CharT{}) - { - int tH = not_a_hour; - int tM = not_a_minute; - read(is, ru{tH, 1, 2}, CharT{'\0'}, CharT{':'}, CharT{'\0'}, - ru{tM, 1, 2}, CharT{'\0'}); - checked_set(H, tH, not_a_hour, is); - checked_set(M, tM, not_a_minute, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'S': - if (command) - { - #if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'E'}) -#endif - { - using dfs = detail::decimal_format_seconds<Duration>; - CONSTDATA auto w = Duration::period::den == 1 ? 2 : 3 + dfs::width; - long double S; - read(is, rld{S, 1, width == -1 ? w : static_cast<unsigned>(width)}); - checked_set(s, round<Duration>(duration<long double>{S}), - not_a_second, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'O'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(s, duration_cast<Duration>(seconds{tm.tm_sec}), - not_a_second, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'T': - if (command) - { - if (modified == CharT{}) - { - using dfs = detail::decimal_format_seconds<Duration>; - CONSTDATA auto w = Duration::period::den == 1 ? 2 : 3 + dfs::width; - int tH = not_a_hour; - int tM = not_a_minute; - long double S; - read(is, ru{tH, 1, 2}, CharT{':'}, ru{tM, 1, 2}, - CharT{':'}, rld{S, 1, w}); - checked_set(H, tH, not_a_hour, is); - checked_set(M, tM, not_a_minute, is); - checked_set(s, round<Duration>(duration<long double>{S}), - not_a_second, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'Y': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#else - if (modified != CharT{'O'}) -#endif - { - int tY = not_a_year; - read(is, rs{tY, 1, width == -1 ? 4u : static_cast<unsigned>(width)}); - checked_set(Y, tY, not_a_year, is); - } -#if !ONLY_C_LOCALE - else if (modified == CharT{'E'}) - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(Y, tm.tm_year + 1900, not_a_year, is); - is.setstate(err); - } -#endif - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'y': - if (command) - { -#if !ONLY_C_LOCALE - if (modified == CharT{}) -#endif - { - int ty = not_a_2digit_year; - read(is, ru{ty, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(y, ty, not_a_2digit_year, is); - } -#if !ONLY_C_LOCALE - else - { - ios::iostate err = ios::goodbit; - f.get(is, nullptr, is, err, &tm, command, fmt+1); - if ((err & ios::failbit) == 0) - checked_set(Y, tm.tm_year + 1900, not_a_year, is); - is.setstate(err); - } -#endif - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'g': - if (command) - { - if (modified == CharT{}) - { - int tg = not_a_2digit_year; - read(is, ru{tg, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(g, tg, not_a_2digit_year, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'G': - if (command) - { - if (modified == CharT{}) - { - int tG = not_a_year; - read(is, rs{tG, 1, width == -1 ? 4u : static_cast<unsigned>(width)}); - checked_set(G, tG, not_a_year, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'U': - if (command) - { - if (modified == CharT{}) - { - int tU = not_a_week_num; - read(is, ru{tU, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(U, tU, not_a_week_num, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'V': - if (command) - { - if (modified == CharT{}) - { - int tV = not_a_week_num; - read(is, ru{tV, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(V, tV, not_a_week_num, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'W': - if (command) - { - if (modified == CharT{}) - { - int tW = not_a_week_num; - read(is, ru{tW, 1, width == -1 ? 2u : static_cast<unsigned>(width)}); - checked_set(W, tW, not_a_week_num, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'E': - case 'O': - if (command) - { - if (modified == CharT{}) - { - modified = *fmt; - } - else - { - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - } - else - read(is, *fmt); - break; - case '%': - if (command) - { - if (modified == CharT{}) - read(is, *fmt); - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - command = fmt; - break; - case 'z': - if (command) - { - int tH, tM; - minutes toff = not_a_offset; - bool neg = false; - auto ic = is.peek(); - if (!Traits::eq_int_type(ic, Traits::eof())) - { - auto c = static_cast<char>(Traits::to_char_type(ic)); - if (c == '-') - neg = true; - } - if (modified == CharT{}) - { - read(is, rs{tH, 2, 2}); - if (!is.fail()) - toff = hours{std::abs(tH)}; - if (is.good()) - { - ic = is.peek(); - if (!Traits::eq_int_type(ic, Traits::eof())) - { - auto c = static_cast<char>(Traits::to_char_type(ic)); - if ('0' <= c && c <= '9') - { - read(is, ru{tM, 2, 2}); - if (!is.fail()) - toff += minutes{tM}; - } - } - } - } - else - { - read(is, rs{tH, 1, 2}); - if (!is.fail()) - toff = hours{std::abs(tH)}; - if (is.good()) - { - ic = is.peek(); - if (!Traits::eq_int_type(ic, Traits::eof())) - { - auto c = static_cast<char>(Traits::to_char_type(ic)); - if (c == ':') - { - (void)is.get(); - read(is, ru{tM, 2, 2}); - if (!is.fail()) - toff += minutes{tM}; - } - } - } - } - if (neg) - toff = -toff; - checked_set(temp_offset, toff, not_a_offset, is); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - case 'Z': - if (command) - { - if (modified == CharT{}) - { - std::basic_string<CharT, Traits, Alloc> buf; - while (is.rdstate() == std::ios::goodbit) - { - auto i = is.rdbuf()->sgetc(); - if (Traits::eq_int_type(i, Traits::eof())) - { - is.setstate(ios::eofbit); - break; - } - auto wc = Traits::to_char_type(i); - auto c = static_cast<char>(wc); - // is c a valid time zone name or abbreviation character? - if (!(CharT{1} < wc && wc < CharT{127}) || !(isalnum(c) || - c == '_' || c == '/' || c == '-' || c == '+')) - break; - buf.push_back(c); - is.rdbuf()->sbumpc(); - } - if (buf.empty()) - is.setstate(ios::failbit); - checked_set(temp_abbrev, buf, {}, is); - } - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - else - read(is, *fmt); - break; - default: - if (command) - { - if (width == -1 && modified == CharT{} && '0' <= *fmt && *fmt <= '9') - { - width = static_cast<char>(*fmt) - '0'; - while ('0' <= fmt[1] && fmt[1] <= '9') - width = 10*width + static_cast<char>(*++fmt) - '0'; - } - else - { - if (modified == CharT{}) - read(is, CharT{'%'}, width, *fmt); - else - read(is, CharT{'%'}, width, modified, *fmt); - command = nullptr; - width = -1; - modified = CharT{}; - } - } - else // !command - { - if (isspace(static_cast<unsigned char>(*fmt))) - { - // space matches 0 or more white space characters - if (is.good()) - ws(is); - } - else - read(is, *fmt); - } - break; - } - } - // is.fail() || *fmt == CharT{} - if (is.rdstate() == ios::goodbit && command) - { - if (modified == CharT{}) - read(is, CharT{'%'}, width); - else - read(is, CharT{'%'}, width, modified); - } - if (!is.fail()) - { - if (y != not_a_2digit_year) - { - // Convert y and an optional C to Y - if (!(0 <= y && y <= 99)) - goto broken; - if (C == not_a_century) - { - if (Y == not_a_year) - { - if (y >= 69) - C = 19; - else - C = 20; - } - else - { - C = (Y >= 0 ? Y : Y-100) / 100; - } - } - int tY; - if (C >= 0) - tY = 100*C + y; - else - tY = 100*(C+1) - (y == 0 ? 100 : y); - if (Y != not_a_year && Y != tY) - goto broken; - Y = tY; - } - if (g != not_a_2digit_year) - { - // Convert g and an optional C to G - if (!(0 <= g && g <= 99)) - goto broken; - if (C == not_a_century) - { - if (G == not_a_year) - { - if (g >= 69) - C = 19; - else - C = 20; - } - else - { - C = (G >= 0 ? G : G-100) / 100; - } - } - int tG; - if (C >= 0) - tG = 100*C + g; - else - tG = 100*(C+1) - (g == 0 ? 100 : g); - if (G != not_a_year && G != tG) - goto broken; - G = tG; - } - if (Y < static_cast<int>(year::min()) || Y > static_cast<int>(year::max())) - Y = not_a_year; - bool computed = false; - if (G != not_a_year && V != not_a_week_num && wd != not_a_weekday) - { - year_month_day ymd_trial = sys_days(year{G-1}/December/Thursday[last]) + - (Monday-Thursday) + weeks{V-1} + - (weekday{static_cast<unsigned>(wd)}-Monday); - if (Y == not_a_year) - Y = static_cast<int>(ymd_trial.year()); - else if (year{Y} != ymd_trial.year()) - goto broken; - if (m == not_a_month) - m = static_cast<int>(static_cast<unsigned>(ymd_trial.month())); - else if (month(static_cast<unsigned>(m)) != ymd_trial.month()) - goto broken; - if (d == not_a_day) - d = static_cast<int>(static_cast<unsigned>(ymd_trial.day())); - else if (day(static_cast<unsigned>(d)) != ymd_trial.day()) - goto broken; - computed = true; - } - if (Y != not_a_year && U != not_a_week_num && wd != not_a_weekday) - { - year_month_day ymd_trial = sys_days(year{Y}/January/Sunday[1]) + - weeks{U-1} + - (weekday{static_cast<unsigned>(wd)} - Sunday); - if (Y == not_a_year) - Y = static_cast<int>(ymd_trial.year()); - else if (year{Y} != ymd_trial.year()) - goto broken; - if (m == not_a_month) - m = static_cast<int>(static_cast<unsigned>(ymd_trial.month())); - else if (month(static_cast<unsigned>(m)) != ymd_trial.month()) - goto broken; - if (d == not_a_day) - d = static_cast<int>(static_cast<unsigned>(ymd_trial.day())); - else if (day(static_cast<unsigned>(d)) != ymd_trial.day()) - goto broken; - computed = true; - } - if (Y != not_a_year && W != not_a_week_num && wd != not_a_weekday) - { - year_month_day ymd_trial = sys_days(year{Y}/January/Monday[1]) + - weeks{W-1} + - (weekday{static_cast<unsigned>(wd)} - Monday); - if (Y == not_a_year) - Y = static_cast<int>(ymd_trial.year()); - else if (year{Y} != ymd_trial.year()) - goto broken; - if (m == not_a_month) - m = static_cast<int>(static_cast<unsigned>(ymd_trial.month())); - else if (month(static_cast<unsigned>(m)) != ymd_trial.month()) - goto broken; - if (d == not_a_day) - d = static_cast<int>(static_cast<unsigned>(ymd_trial.day())); - else if (day(static_cast<unsigned>(d)) != ymd_trial.day()) - goto broken; - computed = true; - } - if (j != not_a_doy && Y != not_a_year) - { - auto ymd_trial = year_month_day{local_days(year{Y}/1/1) + days{j-1}}; - if (m == 0) - m = static_cast<int>(static_cast<unsigned>(ymd_trial.month())); - else if (month(static_cast<unsigned>(m)) != ymd_trial.month()) - goto broken; - if (d == 0) - d = static_cast<int>(static_cast<unsigned>(ymd_trial.day())); - else if (day(static_cast<unsigned>(d)) != ymd_trial.day()) - goto broken; - j = not_a_doy; - } - auto ymd = year{Y}/m/d; - if (ymd.ok()) - { - if (wd == not_a_weekday) - wd = static_cast<int>((weekday(sys_days(ymd)) - Sunday).count()); - else if (wd != static_cast<int>((weekday(sys_days(ymd)) - Sunday).count())) - goto broken; - if (!computed) - { - if (G != not_a_year || V != not_a_week_num) - { - sys_days sd = ymd; - auto G_trial = year_month_day{sd + days{3}}.year(); - auto start = sys_days((G_trial - years{1})/December/Thursday[last]) + - (Monday - Thursday); - if (sd < start) - { - --G_trial; - if (V != not_a_week_num) - start = sys_days((G_trial - years{1})/December/Thursday[last]) - + (Monday - Thursday); - } - if (G != not_a_year && G != static_cast<int>(G_trial)) - goto broken; - if (V != not_a_week_num) - { - auto V_trial = duration_cast<weeks>(sd - start).count() + 1; - if (V != V_trial) - goto broken; - } - } - if (U != not_a_week_num) - { - auto start = sys_days(Sunday[1]/January/ymd.year()); - auto U_trial = floor<weeks>(sys_days(ymd) - start).count() + 1; - if (U != U_trial) - goto broken; - } - if (W != not_a_week_num) - { - auto start = sys_days(Monday[1]/January/ymd.year()); - auto W_trial = floor<weeks>(sys_days(ymd) - start).count() + 1; - if (W != W_trial) - goto broken; - } - } - } - fds.ymd = ymd; - if (I != not_a_hour_12_value) - { - if (!(1 <= I && I <= 12)) - goto broken; - if (p != not_a_ampm) - { - // p is in [0, 1] == [AM, PM] - // Store trial H in I - if (I == 12) - --p; - I += p*12; - // Either set H from I or make sure H and I are consistent - if (H == not_a_hour) - H = I; - else if (I != H) - goto broken; - } - else // p == not_a_ampm - { - // if H, make sure H and I could be consistent - if (H != not_a_hour) - { - if (I == 12) - { - if (H != 0 && H != 12) - goto broken; - } - else if (!(I == H || I == H+12)) - { - goto broken; - } - } - } - } - if (H != not_a_hour) - { - fds.has_tod = true; - fds.tod = hh_mm_ss<Duration>{hours{H}}; - } - if (M != not_a_minute) - { - fds.has_tod = true; - fds.tod.m_ = minutes{M}; - } - if (s != not_a_second) - { - fds.has_tod = true; - fds.tod.s_ = detail::decimal_format_seconds<Duration>{s}; - } - if (j != not_a_doy) - { - fds.has_tod = true; - fds.tod.h_ += hours{days{j}}; - } - if (wd != not_a_weekday) - fds.wd = weekday{static_cast<unsigned>(wd)}; - if (abbrev != nullptr) - *abbrev = std::move(temp_abbrev); - if (offset != nullptr && temp_offset != not_a_offset) - *offset = temp_offset; - } - return is; - } -broken: - is.setstate(ios::failbit); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, year& y, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.year().ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - y = fds.ymd.year(); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, month& m, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.month().ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - m = fds.ymd.month(); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, day& d, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.day().ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - d = fds.ymd.day(); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, weekday& wd, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.wd.ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - wd = fds.wd; - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, year_month& ym, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.month().ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - ym = fds.ymd.year()/fds.ymd.month(); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, month_day& md, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.month().ok() || !fds.ymd.day().ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - md = fds.ymd.month()/fds.ymd.day(); - return is; -} - -template <class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - year_month_day& ymd, std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = std::chrono::seconds; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - ymd = fds.ymd; - return is; -} - -template <class Duration, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - sys_time<Duration>& tp, std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - std::chrono::minutes offset_local{}; - auto offptr = offset ? offset : &offset_local; - fields<CT> fds{}; - fds.has_tod = true; - from_stream(is, fmt, fds, abbrev, offptr); - if (!fds.ymd.ok() || !fds.tod.in_conventional_range()) - is.setstate(std::ios::failbit); - if (!is.fail()) - tp = round<Duration>(sys_days(fds.ymd) - *offptr + fds.tod.to_duration()); - return is; -} - -template <class Duration, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - local_time<Duration>& tp, std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - fields<CT> fds{}; - fds.has_tod = true; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.ymd.ok() || !fds.tod.in_conventional_range()) - is.setstate(std::ios::failbit); - if (!is.fail()) - tp = round<Duration>(local_seconds{local_days(fds.ymd)} + fds.tod.to_duration()); - return is; -} - -template <class Rep, class Period, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - std::chrono::duration<Rep, Period>& d, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using Duration = std::chrono::duration<Rep, Period>; - using CT = typename std::common_type<Duration, std::chrono::seconds>::type; - fields<CT> fds{}; - from_stream(is, fmt, fds, abbrev, offset); - if (!fds.has_tod) - is.setstate(std::ios::failbit); - if (!is.fail()) - d = std::chrono::duration_cast<Duration>(fds.tod.to_duration()); - return is; -} - -template <class Parsable, class CharT, class Traits = std::char_traits<CharT>, - class Alloc = std::allocator<CharT>> -struct parse_manip -{ - const std::basic_string<CharT, Traits, Alloc> format_; - Parsable& tp_; - std::basic_string<CharT, Traits, Alloc>* abbrev_; - std::chrono::minutes* offset_; - -public: - parse_manip(std::basic_string<CharT, Traits, Alloc> format, Parsable& tp, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) - : format_(std::move(format)) - , tp_(tp) - , abbrev_(abbrev) - , offset_(offset) - {} - -}; - -template <class Parsable, class CharT, class Traits, class Alloc> -std::basic_istream<CharT, Traits>& -operator>>(std::basic_istream<CharT, Traits>& is, - const parse_manip<Parsable, CharT, Traits, Alloc>& x) -{ - return from_stream(is, x.format_.c_str(), x.tp_, x.abbrev_, x.offset_); -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const std::basic_string<CharT, Traits, Alloc>& format, Parsable& tp) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), - format.c_str(), tp), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp}) -{ - return {format, tp}; -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const std::basic_string<CharT, Traits, Alloc>& format, Parsable& tp, - std::basic_string<CharT, Traits, Alloc>& abbrev) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), - format.c_str(), tp, &abbrev), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, &abbrev}) -{ - return {format, tp, &abbrev}; -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const std::basic_string<CharT, Traits, Alloc>& format, Parsable& tp, - std::chrono::minutes& offset) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), - format.c_str(), tp, - std::declval<std::basic_string<CharT, Traits, Alloc>*>(), - &offset), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, nullptr, &offset}) -{ - return {format, tp, nullptr, &offset}; -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const std::basic_string<CharT, Traits, Alloc>& format, Parsable& tp, - std::basic_string<CharT, Traits, Alloc>& abbrev, std::chrono::minutes& offset) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), - format.c_str(), tp, &abbrev, &offset), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, &abbrev, &offset}) -{ - return {format, tp, &abbrev, &offset}; -} - -// const CharT* formats - -template <class Parsable, class CharT> -inline -auto -parse(const CharT* format, Parsable& tp) - -> decltype(from_stream(std::declval<std::basic_istream<CharT>&>(), format, tp), - parse_manip<Parsable, CharT>{format, tp}) -{ - return {format, tp}; -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const CharT* format, Parsable& tp, std::basic_string<CharT, Traits, Alloc>& abbrev) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), format, - tp, &abbrev), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, &abbrev}) -{ - return {format, tp, &abbrev}; -} - -template <class Parsable, class CharT> -inline -auto -parse(const CharT* format, Parsable& tp, std::chrono::minutes& offset) - -> decltype(from_stream(std::declval<std::basic_istream<CharT>&>(), format, - tp, std::declval<std::basic_string<CharT>*>(), &offset), - parse_manip<Parsable, CharT>{format, tp, nullptr, &offset}) -{ - return {format, tp, nullptr, &offset}; -} - -template <class Parsable, class CharT, class Traits, class Alloc> -inline -auto -parse(const CharT* format, Parsable& tp, - std::basic_string<CharT, Traits, Alloc>& abbrev, std::chrono::minutes& offset) - -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(), format, - tp, &abbrev, &offset), - parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, &abbrev, &offset}) -{ - return {format, tp, &abbrev, &offset}; -} - -// duration streaming - -template <class CharT, class Traits, class Rep, class Period> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, - const std::chrono::duration<Rep, Period>& d) -{ - return os << detail::make_string<CharT, Traits>::from(d.count()) + - detail::get_units<CharT>(typename Period::type{}); -} - -} // namespace date - -#ifdef _MSC_VER -# pragma warning(pop) -#endif - -#ifdef __GNUC__ -# pragma GCC diagnostic pop -#endif - -#endif // DATE_H diff --git a/src/libs/date/includes/date/ios.h b/src/libs/date/includes/date/ios.h deleted file mode 100644 index ee54b9d0..00000000 --- a/src/libs/date/includes/date/ios.h +++ /dev/null @@ -1,50 +0,0 @@ -// -// ios.h -// DateTimeLib -// -// The MIT License (MIT) -// -// Copyright (c) 2016 Alexander Kormanovsky -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. - -#ifndef ios_hpp -#define ios_hpp - -#if __APPLE__ -# include <TargetConditionals.h> -# if TARGET_OS_IPHONE -# include <string> - - namespace date - { - namespace iOSUtils - { - - std::string get_tzdata_path(); - std::string get_current_timezone(); - - } // namespace iOSUtils - } // namespace date - -# endif // TARGET_OS_IPHONE -#else // !__APPLE__ -# define TARGET_OS_IPHONE 0 -#endif // !__APPLE__ -#endif // ios_hpp diff --git a/src/libs/date/includes/date/islamic.h b/src/libs/date/includes/date/islamic.h deleted file mode 100644 index 82ed6597..00000000 --- a/src/libs/date/includes/date/islamic.h +++ /dev/null @@ -1,3031 +0,0 @@ -#ifndef ISLAMIC_H -#define ISLAMIC_H - -// The MIT License (MIT) -// -// Copyright (c) 2016 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -#include "date.h" - -namespace islamic -{ - -// durations - -using days = date::days; - -using weeks = date::weeks; - -using years = std::chrono::duration - <int, date::detail::ratio_multiply<std::ratio<10631, 30>, days::period>>; - -using months = std::chrono::duration - <int, date::detail::ratio_divide<years::period, std::ratio<12>>>; - -// time_point - -using sys_days = date::sys_days; -using local_days = date::local_days; - -// types - -struct last_spec -{ - explicit last_spec() = default; -}; - -class day; -class month; -class year; - -class weekday; -class weekday_indexed; -class weekday_last; - -class month_day; -class month_day_last; -class month_weekday; -class month_weekday_last; - -class year_month; - -class year_month_day; -class year_month_day_last; -class year_month_weekday; -class year_month_weekday_last; - -// date composition operators - -CONSTCD11 year_month operator/(const year& y, const month& m) NOEXCEPT; -CONSTCD11 year_month operator/(const year& y, int m) NOEXCEPT; - -CONSTCD11 month_day operator/(const day& d, const month& m) NOEXCEPT; -CONSTCD11 month_day operator/(const day& d, int m) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, const day& d) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, int d) NOEXCEPT; -CONSTCD11 month_day operator/(int m, const day& d) NOEXCEPT; - -CONSTCD11 month_day_last operator/(const month& m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(int m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, const month& m) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, int m) NOEXCEPT; - -CONSTCD11 month_weekday operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(int m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, int m) NOEXCEPT; - -CONSTCD11 month_weekday_last operator/(const month& m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(int m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, const month& m) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, int m) NOEXCEPT; - -CONSTCD11 year_month_day operator/(const year_month& ym, const day& d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year_month& ym, int d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year& y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(int y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, const year& y) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, int y) NOEXCEPT; - -CONSTCD11 - year_month_day_last operator/(const year_month& ym, last_spec) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const year& y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(int y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, const year& y) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT; - -// Detailed interface - -// day - -class day -{ - unsigned char d_; - -public: - explicit CONSTCD11 day(unsigned d) NOEXCEPT; - - CONSTCD14 day& operator++() NOEXCEPT; - CONSTCD14 day operator++(int) NOEXCEPT; - CONSTCD14 day& operator--() NOEXCEPT; - CONSTCD14 day operator--(int) NOEXCEPT; - - CONSTCD14 day& operator+=(const days& d) NOEXCEPT; - CONSTCD14 day& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator< (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator> (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const day& x, const day& y) NOEXCEPT; - -CONSTCD11 day operator+(const day& x, const days& y) NOEXCEPT; -CONSTCD11 day operator+(const days& x, const day& y) NOEXCEPT; -CONSTCD11 day operator-(const day& x, const days& y) NOEXCEPT; -CONSTCD11 days operator-(const day& x, const day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d); - -// month - -class month -{ - unsigned char m_; - -public: - explicit CONSTCD11 month(unsigned m) NOEXCEPT; - - CONSTCD14 month& operator++() NOEXCEPT; - CONSTCD14 month operator++(int) NOEXCEPT; - CONSTCD14 month& operator--() NOEXCEPT; - CONSTCD14 month operator--(int) NOEXCEPT; - - CONSTCD14 month& operator+=(const months& m) NOEXCEPT; - CONSTCD14 month& operator-=(const months& m) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator< (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator> (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month& x, const month& y) NOEXCEPT; - -CONSTCD14 month operator+(const month& x, const months& y) NOEXCEPT; -CONSTCD14 month operator+(const months& x, const month& y) NOEXCEPT; -CONSTCD14 month operator-(const month& x, const months& y) NOEXCEPT; -CONSTCD14 months operator-(const month& x, const month& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m); - -// year - -class year -{ - short y_; - -public: - explicit CONSTCD11 year(int y) NOEXCEPT; - - CONSTCD14 year& operator++() NOEXCEPT; - CONSTCD14 year operator++(int) NOEXCEPT; - CONSTCD14 year& operator--() NOEXCEPT; - CONSTCD14 year operator--(int) NOEXCEPT; - - CONSTCD14 year& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year& operator-=(const years& y) NOEXCEPT; - - CONSTCD14 bool is_leap() const NOEXCEPT; - - CONSTCD11 explicit operator int() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - static CONSTCD11 year min() NOEXCEPT; - static CONSTCD11 year max() NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT; - -CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT; -CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT; -CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT; -CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y); - -// weekday - -class weekday -{ - unsigned char wd_; -public: - explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT; - explicit weekday(int) = delete; - CONSTCD11 weekday(const sys_days& dp) NOEXCEPT; - CONSTCD11 explicit weekday(const local_days& dp) NOEXCEPT; - - CONSTCD14 weekday& operator++() NOEXCEPT; - CONSTCD14 weekday operator++(int) NOEXCEPT; - CONSTCD14 weekday& operator--() NOEXCEPT; - CONSTCD14 weekday operator--(int) NOEXCEPT; - - CONSTCD14 weekday& operator+=(const days& d) NOEXCEPT; - CONSTCD14 weekday& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - CONSTCD11 weekday_indexed operator[](unsigned index) const NOEXCEPT; - CONSTCD11 weekday_last operator[](last_spec) const NOEXCEPT; - -private: - static CONSTCD11 unsigned char weekday_from_days(int z) NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT; - -CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT; -CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd); - -// weekday_indexed - -class weekday_indexed -{ - unsigned char wd_ : 4; - unsigned char index_ : 4; - -public: - CONSTCD11 weekday_indexed(const islamic::weekday& wd, unsigned index) NOEXCEPT; - - CONSTCD11 islamic::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi); - -// weekday_last - -class weekday_last -{ - islamic::weekday wd_; - -public: - explicit CONSTCD11 weekday_last(const islamic::weekday& wd) NOEXCEPT; - - CONSTCD11 islamic::weekday weekday() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl); - -// year_month - -class year_month -{ - islamic::year y_; - islamic::month m_; - -public: - CONSTCD11 year_month(const islamic::year& y, const islamic::month& m) NOEXCEPT; - - CONSTCD11 islamic::year year() const NOEXCEPT; - CONSTCD11 islamic::month month() const NOEXCEPT; - - CONSTCD14 year_month& operator+=(const months& dm) NOEXCEPT; - CONSTCD14 year_month& operator-=(const months& dm) NOEXCEPT; - CONSTCD14 year_month& operator+=(const years& dy) NOEXCEPT; - CONSTCD14 year_month& operator-=(const years& dy) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month& x, const year_month& y) NOEXCEPT; - -CONSTCD14 year_month operator+(const year_month& ym, const months& dm) NOEXCEPT; -CONSTCD14 year_month operator+(const months& dm, const year_month& ym) NOEXCEPT; -CONSTCD14 year_month operator-(const year_month& ym, const months& dm) NOEXCEPT; - -CONSTCD11 months operator-(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 year_month operator+(const year_month& ym, const years& dy) NOEXCEPT; -CONSTCD11 year_month operator+(const years& dy, const year_month& ym) NOEXCEPT; -CONSTCD11 year_month operator-(const year_month& ym, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym); - -// month_day - -class month_day -{ - islamic::month m_; - islamic::day d_; - -public: - CONSTCD11 month_day(const islamic::month& m, const islamic::day& d) NOEXCEPT; - - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::day day() const NOEXCEPT; - - CONSTCD14 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day& x, const month_day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md); - -// month_day_last - -class month_day_last -{ - islamic::month m_; - -public: - CONSTCD11 explicit month_day_last(const islamic::month& m) NOEXCEPT; - - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl); - -// month_weekday - -class month_weekday -{ - islamic::month m_; - islamic::weekday_indexed wdi_; -public: - CONSTCD11 month_weekday(const islamic::month& m, - const islamic::weekday_indexed& wdi) NOEXCEPT; - - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd); - -// month_weekday_last - -class month_weekday_last -{ - islamic::month m_; - islamic::weekday_last wdl_; - -public: - CONSTCD11 month_weekday_last(const islamic::month& m, - const islamic::weekday_last& wd) NOEXCEPT; - - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl); - -// class year_month_day - -class year_month_day -{ - islamic::year y_; - islamic::month m_; - islamic::day d_; - -public: - CONSTCD11 year_month_day(const islamic::year& y, const islamic::month& m, - const islamic::day& d) NOEXCEPT; - CONSTCD14 year_month_day(const year_month_day_last& ymdl) NOEXCEPT; - - CONSTCD14 year_month_day(sys_days dp) NOEXCEPT; - CONSTCD14 explicit year_month_day(local_days dp) NOEXCEPT; - - CONSTCD14 year_month_day& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 islamic::year year() const NOEXCEPT; - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_day from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT; - -CONSTCD14 year_month_day operator+(const year_month_day& ymd, const months& dm) NOEXCEPT; -CONSTCD14 year_month_day operator+(const months& dm, const year_month_day& ymd) NOEXCEPT; -CONSTCD14 year_month_day operator-(const year_month_day& ymd, const months& dm) NOEXCEPT; -CONSTCD11 year_month_day operator+(const year_month_day& ymd, const years& dy) NOEXCEPT; -CONSTCD11 year_month_day operator+(const years& dy, const year_month_day& ymd) NOEXCEPT; -CONSTCD11 year_month_day operator-(const year_month_day& ymd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd); - -// year_month_day_last - -class year_month_day_last -{ - islamic::year y_; - islamic::month_day_last mdl_; - -public: - CONSTCD11 year_month_day_last(const islamic::year& y, - const islamic::month_day_last& mdl) NOEXCEPT; - - CONSTCD14 year_month_day_last& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 islamic::year year() const NOEXCEPT; - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::month_day_last month_day_last() const NOEXCEPT; - CONSTCD14 islamic::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator< (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator> (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl); - -// year_month_weekday - -class year_month_weekday -{ - islamic::year y_; - islamic::month m_; - islamic::weekday_indexed wdi_; - -public: - CONSTCD11 year_month_weekday(const islamic::year& y, const islamic::month& m, - const islamic::weekday_indexed& wdi) NOEXCEPT; - CONSTCD14 year_month_weekday(const sys_days& dp) NOEXCEPT; - CONSTCD14 explicit year_month_weekday(const local_days& dp) NOEXCEPT; - - CONSTCD14 year_month_weekday& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 islamic::year year() const NOEXCEPT; - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 islamic::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_weekday from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi); - -// year_month_weekday_last - -class year_month_weekday_last -{ - islamic::year y_; - islamic::month m_; - islamic::weekday_last wdl_; - -public: - CONSTCD11 year_month_weekday_last(const islamic::year& y, const islamic::month& m, - const islamic::weekday_last& wdl) NOEXCEPT; - - CONSTCD14 year_month_weekday_last& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 islamic::year year() const NOEXCEPT; - CONSTCD11 islamic::month month() const NOEXCEPT; - CONSTCD11 islamic::weekday weekday() const NOEXCEPT; - CONSTCD11 islamic::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - -private: - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -CONSTCD11 -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl); - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 islamic::day operator "" _d(unsigned long long d) NOEXCEPT; -CONSTCD11 islamic::year operator "" _y(unsigned long long y) NOEXCEPT; - -} // inline namespace literals -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -//----------------+ -// Implementation | -//----------------+ - -// day - -CONSTCD11 inline day::day(unsigned d) NOEXCEPT : d_(static_cast<unsigned char>(d)) {} -CONSTCD14 inline day& day::operator++() NOEXCEPT {++d_; return *this;} -CONSTCD14 inline day day::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline day& day::operator--() NOEXCEPT {--d_; return *this;} -CONSTCD14 inline day day::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline day& day::operator+=(const days& d) NOEXCEPT {*this = *this + d; return *this;} -CONSTCD14 inline day& day::operator-=(const days& d) NOEXCEPT {*this = *this - d; return *this;} -CONSTCD11 inline day::operator unsigned() const NOEXCEPT {return d_;} -CONSTCD11 inline bool day::ok() const NOEXCEPT {return 1 <= d_ && d_ <= 30;} - -CONSTCD11 -inline -bool -operator==(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const day& x, const day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const day& x, const day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const day& x, const day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const day& x, const day& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -days -operator-(const day& x, const day& y) NOEXCEPT -{ - return days{static_cast<days::rep>(static_cast<unsigned>(x) - - static_cast<unsigned>(y))}; -} - -CONSTCD11 -inline -day -operator+(const day& x, const days& y) NOEXCEPT -{ - return day{static_cast<unsigned>(x) + static_cast<unsigned>(y.count())}; -} - -CONSTCD11 -inline -day -operator+(const days& x, const day& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -day -operator-(const day& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(d); - return os; -} - -// month - -CONSTCD11 inline month::month(unsigned m) NOEXCEPT : m_(static_cast<decltype(m_)>(m)) {} -CONSTCD14 inline month& month::operator++() NOEXCEPT {if (++m_ == 13) m_ = 1; return *this;} -CONSTCD14 inline month month::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline month& month::operator--() NOEXCEPT {if (--m_ == 0) m_ = 12; return *this;} -CONSTCD14 inline month month::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -month& -month::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -month& -month::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD11 inline month::operator unsigned() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month::ok() const NOEXCEPT {return 1 <= m_ && m_ <= 12;} - -CONSTCD11 -inline -bool -operator==(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const month& x, const month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const month& x, const month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month& x, const month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month& x, const month& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD14 -inline -months -operator-(const month& x, const month& y) NOEXCEPT -{ - auto const d = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return months(d <= 11 ? d : d + 12); -} - -CONSTCD14 -inline -month -operator+(const month& x, const months& y) NOEXCEPT -{ - auto const mu = static_cast<long long>(static_cast<unsigned>(x)) - 1 + y.count(); - auto const yr = (mu >= 0 ? mu : mu-11) / 12; - return month{static_cast<unsigned>(mu - yr * 12 + 1)}; -} - -CONSTCD14 -inline -month -operator+(const months& x, const month& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -month -operator-(const month& x, const months& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m) -{ - switch (static_cast<unsigned>(m)) - { - case 1: - os << "Muharram"; - break; - case 2: - os << "Safar"; - break; - case 3: - os << "Rabi' al-awwal"; - break; - case 4: - os << "Rabi' al-thani"; - break; - case 5: - os << "Jumada al-awwal"; - break; - case 6: - os << "Jumada al-Thani"; - break; - case 7: - os << "Rajab"; - break; - case 8: - os << "Sha'ban"; - break; - case 9: - os << "Ramadan"; - break; - case 10: - os << "Shawwal"; - break; - case 11: - os << "Dhu al-Qi'dah"; - break; - case 12: - os << "Dhu al-Hijjah"; - break; - default: - os << static_cast<unsigned>(m) << " is not a valid month"; - break; - } - return os; -} - -// year - -CONSTCD11 inline year::year(int y) NOEXCEPT : y_(static_cast<decltype(y_)>(y)) {} -CONSTCD14 inline year& year::operator++() NOEXCEPT {++y_; return *this;} -CONSTCD14 inline year year::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline year& year::operator--() NOEXCEPT {--y_; return *this;} -CONSTCD14 inline year year::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline year& year::operator+=(const years& y) NOEXCEPT {*this = *this + y; return *this;} -CONSTCD14 inline year& year::operator-=(const years& y) NOEXCEPT {*this = *this - y; return *this;} - -CONSTCD14 -inline -bool -year::is_leap() const NOEXCEPT -{ - int y = y_ - 1; - const int era = (y >= 0 ? y : y-29) / 30; - const unsigned yoe = static_cast<unsigned>(y - era * 30); - switch (yoe) - { - case 1: - case 4: - case 6: - case 9: - case 12: - case 15: - case 17: - case 20: - case 23: - case 25: - case 28: - return true; - default: - return false; - } -} - -CONSTCD11 inline year::operator int() const NOEXCEPT {return y_;} -CONSTCD11 inline bool year::ok() const NOEXCEPT {return true;} - -CONSTCD11 -inline -year -year::min() NOEXCEPT -{ - return year{std::numeric_limits<short>::min()}; -} - -CONSTCD11 -inline -year -year::max() NOEXCEPT -{ - return year{std::numeric_limits<short>::max()}; -} - -CONSTCD11 -inline -bool -operator==(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) == static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator!=(const year& x, const year& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) < static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator>(const year& x, const year& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year& x, const year& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year& x, const year& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -years -operator-(const year& x, const year& y) NOEXCEPT -{ - return years{static_cast<int>(x) - static_cast<int>(y)}; -} - -CONSTCD11 -inline -year -operator+(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) + y.count()}; -} - -CONSTCD11 -inline -year -operator+(const years& x, const year& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -year -operator-(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) - y.count()}; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::internal); - os.width(4 + (y < year{0})); - os << static_cast<int>(y); - return os; -} - -// weekday - -CONSTCD11 -inline -unsigned char -weekday::weekday_from_days(int z) NOEXCEPT -{ - return static_cast<unsigned char>(static_cast<unsigned>( - z >= -4 ? (z+4) % 7 : (z+5) % 7 + 6)); -} - -CONSTCD11 -inline -weekday::weekday(unsigned wd) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(wd)) - {} - -CONSTCD11 -inline -weekday::weekday(const sys_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD11 -inline -weekday::weekday(const local_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD14 inline weekday& weekday::operator++() NOEXCEPT {if (++wd_ == 7) wd_ = 0; return *this;} -CONSTCD14 inline weekday weekday::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline weekday& weekday::operator--() NOEXCEPT {if (wd_-- == 0) wd_ = 6; return *this;} -CONSTCD14 inline weekday weekday::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -weekday& -weekday::operator+=(const days& d) NOEXCEPT -{ - *this = *this + d; - return *this; -} - -CONSTCD14 -inline -weekday& -weekday::operator-=(const days& d) NOEXCEPT -{ - *this = *this - d; - return *this; -} - -CONSTCD11 -inline -weekday::operator unsigned() const NOEXCEPT -{ - return static_cast<unsigned>(wd_); -} - -CONSTCD11 inline bool weekday::ok() const NOEXCEPT {return wd_ <= 6;} - -CONSTCD11 -inline -bool -operator==(const weekday& x, const weekday& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const weekday& x, const weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD14 -inline -days -operator-(const weekday& x, const weekday& y) NOEXCEPT -{ - auto const diff = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return days{diff <= 6 ? diff : diff + 7}; -} - -CONSTCD14 -inline -weekday -operator+(const weekday& x, const days& y) NOEXCEPT -{ - auto const wdu = static_cast<long long>(static_cast<unsigned>(x)) + y.count(); - auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7; - return weekday{static_cast<unsigned>(wdu - wk * 7)}; -} - -CONSTCD14 -inline -weekday -operator+(const days& x, const weekday& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -weekday -operator-(const weekday& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd) -{ - switch (static_cast<unsigned>(wd)) - { - case 0: - os << "al-Aḥad"; - break; - case 1: - os << "al-Ithnayn"; - break; - case 2: - os << "ath-Thulāthā’"; - break; - case 3: - os << "al-Arba‘ā’"; - break; - case 4: - os << "al-Khamīs"; - break; - case 5: - os << "al-Jum‘ah"; - break; - case 6: - os << "as-Sabt"; - break; - default: - os << static_cast<unsigned>(wd) << " is not a valid weekday"; - break; - } - return os; -} - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 -inline -islamic::day -operator "" _d(unsigned long long d) NOEXCEPT -{ - return islamic::day{static_cast<unsigned>(d)}; -} - -CONSTCD11 -inline -islamic::year -operator "" _y(unsigned long long y) NOEXCEPT -{ - return islamic::year(static_cast<int>(y)); -} -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -CONSTDATA islamic::last_spec last{}; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -} // inline namespace literals -#endif - -// weekday_indexed - -CONSTCD11 -inline -weekday -weekday_indexed::weekday() const NOEXCEPT -{ - return islamic::weekday{static_cast<unsigned>(wd_)}; -} - -CONSTCD11 inline unsigned weekday_indexed::index() const NOEXCEPT {return index_;} - -CONSTCD11 -inline -bool -weekday_indexed::ok() const NOEXCEPT -{ - return weekday().ok() && 1 <= index_ && index_ <= 5; -} - -CONSTCD11 -inline -weekday_indexed::weekday_indexed(const islamic::weekday& wd, unsigned index) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(static_cast<unsigned>(wd))) - , index_(static_cast<decltype(index_)>(index)) - {} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi) -{ - return os << wdi.weekday() << '[' << wdi.index() << ']'; -} - -CONSTCD11 -inline -weekday_indexed -weekday::operator[](unsigned index) const NOEXCEPT -{ - return {*this, index}; -} - -CONSTCD11 -inline -bool -operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return x.weekday() == y.weekday() && x.index() == y.index(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return !(x == y); -} - -// weekday_last - -CONSTCD11 inline islamic::weekday weekday_last::weekday() const NOEXCEPT {return wd_;} -CONSTCD11 inline bool weekday_last::ok() const NOEXCEPT {return wd_.ok();} -CONSTCD11 inline weekday_last::weekday_last(const islamic::weekday& wd) NOEXCEPT : wd_(wd) {} - -CONSTCD11 -inline -bool -operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl) -{ - return os << wdl.weekday() << "[last]"; -} - -CONSTCD11 -inline -weekday_last -weekday::operator[](last_spec) const NOEXCEPT -{ - return weekday_last{*this}; -} - -// year_month - -CONSTCD11 -inline -year_month::year_month(const islamic::year& y, const islamic::month& m) NOEXCEPT - : y_(y) - , m_(m) - {} - -CONSTCD11 inline year year_month::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool year_month::ok() const NOEXCEPT {return y_.ok() && m_.ok();} - -CONSTCD14 -inline -year_month& -year_month::operator+=(const months& dm) NOEXCEPT -{ - *this = *this + dm; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator-=(const months& dm) NOEXCEPT -{ - *this = *this - dm; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator+=(const years& dy) NOEXCEPT -{ - *this = *this + dy; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator-=(const years& dy) NOEXCEPT -{ - *this = *this - dy; - return *this; -} - -CONSTCD11 -inline -bool -operator==(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month())); -} - -CONSTCD11 -inline -bool -operator>(const year_month& x, const year_month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD14 -inline -year_month -operator+(const year_month& ym, const months& dm) NOEXCEPT -{ - auto dmi = static_cast<int>(static_cast<unsigned>(ym.month())) - 1 + dm.count(); - auto dy = (dmi >= 0 ? dmi : dmi-11) / 12; - dmi = dmi - dy * 12 + 1; - return (ym.year() + years(dy)) / month(static_cast<unsigned>(dmi)); -} - -CONSTCD14 -inline -year_month -operator+(const months& dm, const year_month& ym) NOEXCEPT -{ - return ym + dm; -} - -CONSTCD14 -inline -year_month -operator-(const year_month& ym, const months& dm) NOEXCEPT -{ - return ym + -dm; -} - -CONSTCD11 -inline -months -operator-(const year_month& x, const year_month& y) NOEXCEPT -{ - return (x.year() - y.year()) + - months(static_cast<unsigned>(x.month()) - static_cast<unsigned>(y.month())); -} - -CONSTCD11 -inline -year_month -operator+(const year_month& ym, const years& dy) NOEXCEPT -{ - return (ym.year() + dy) / ym.month(); -} - -CONSTCD11 -inline -year_month -operator+(const years& dy, const year_month& ym) NOEXCEPT -{ - return ym + dy; -} - -CONSTCD11 -inline -year_month -operator-(const year_month& ym, const years& dy) NOEXCEPT -{ - return ym + -dy; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym) -{ - return os << ym.year() << '/' << ym.month(); -} - -// month_day - -CONSTCD11 -inline -month_day::month_day(const islamic::month& m, const islamic::day& d) NOEXCEPT - : m_(m) - , d_(d) - {} - -CONSTCD11 inline islamic::month month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline islamic::day month_day::day() const NOEXCEPT {return d_;} - -CONSTCD14 -inline -bool -month_day::ok() const NOEXCEPT -{ - CONSTDATA islamic::day d[] = - {30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 30_d}; - return m_.ok() && 1_d <= d_ && d_ <= d[static_cast<unsigned>(m_)-1]; -} - -CONSTCD11 -inline -bool -operator==(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())); -} - -CONSTCD11 -inline -bool -operator>(const month_day& x, const month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md) -{ - return os << md.month() << '/' << md.day(); -} - -// month_day_last - -CONSTCD11 inline month month_day_last::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month_day_last::ok() const NOEXCEPT {return m_.ok();} -CONSTCD11 inline month_day_last::month_day_last(const islamic::month& m) NOEXCEPT : m_(m) {} - -CONSTCD11 -inline -bool -operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() < y.month(); -} - -CONSTCD11 -inline -bool -operator>(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl) -{ - return os << mdl.month() << "/last"; -} - -// month_weekday - -CONSTCD11 -inline -month_weekday::month_weekday(const islamic::month& m, - const islamic::weekday_indexed& wdi) NOEXCEPT - : m_(m) - , wdi_(wdi) - {} - -CONSTCD11 inline month month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_indexed -month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD11 -inline -bool -month_weekday::ok() const NOEXCEPT -{ - return m_.ok() && wdi_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd) -{ - return os << mwd.month() << '/' << mwd.weekday_indexed(); -} - -// month_weekday_last - -CONSTCD11 -inline -month_weekday_last::month_weekday_last(const islamic::month& m, - const islamic::weekday_last& wdl) NOEXCEPT - : m_(m) - , wdl_(wdl) - {} - -CONSTCD11 inline month month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_last -month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD11 -inline -bool -month_weekday_last::ok() const NOEXCEPT -{ - return m_.ok() && wdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl) -{ - return os << mwdl.month() << '/' << mwdl.weekday_last(); -} - -// year_month_day_last - -CONSTCD11 -inline -year_month_day_last::year_month_day_last(const islamic::year& y, - const islamic::month_day_last& mdl) NOEXCEPT - : y_(y) - , mdl_(mdl) - {} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_day_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day_last::month() const NOEXCEPT {return mdl_.month();} - -CONSTCD11 -inline -month_day_last -year_month_day_last::month_day_last() const NOEXCEPT -{ - return mdl_; -} - -CONSTCD14 -inline -day -year_month_day_last::day() const NOEXCEPT -{ - CONSTDATA islamic::day d[] = - {30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 29_d, 30_d, 29_d}; - return month() != islamic::month(12) || !y_.is_leap() ? - d[static_cast<unsigned>(month())-1] : 30_d; -} - -CONSTCD14 -inline -year_month_day_last::operator sys_days() const NOEXCEPT -{ - return sys_days(year()/month()/day()); -} - -CONSTCD14 -inline -year_month_day_last::operator local_days() const NOEXCEPT -{ - return local_days(year()/month()/day()); -} - -CONSTCD11 -inline -bool -year_month_day_last::ok() const NOEXCEPT -{ - return y_.ok() && mdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month_day_last() == y.month_day_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month_day_last() < y.month_day_last())); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl) -{ - return os << ymdl.year() << '/' << ymdl.month_day_last(); -} - -CONSTCD14 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return (ymdl.year() / ymdl.month() + dm) / last; -} - -CONSTCD14 -inline -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dm; -} - -CONSTCD14 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return ymdl + (-dm); -} - -CONSTCD11 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return {ymdl.year()+dy, ymdl.month_day_last()}; -} - -CONSTCD11 -inline -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dy; -} - -CONSTCD11 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return ymdl + (-dy); -} - -// year_month_day - -CONSTCD11 -inline -year_month_day::year_month_day(const islamic::year& y, const islamic::month& m, - const islamic::day& d) NOEXCEPT - : y_(y) - , m_(m) - , d_(d) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(const year_month_day_last& ymdl) NOEXCEPT - : y_(ymdl.year()) - , m_(ymdl.month()) - , d_(ymdl.day()) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(sys_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(local_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD11 inline year year_month_day::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline day year_month_day::day() const NOEXCEPT {return d_;} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD14 -inline -days -year_month_day::to_days() const NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const y = static_cast<int>(y_) - 1; - auto const m = static_cast<unsigned>(m_); - auto const d = static_cast<unsigned>(d_); - auto const era = (y >= 0 ? y : y-29) / 30; - auto const yoe = static_cast<unsigned>(y - era * 30); // [0, 29] - auto const doy = 29*(m-1) + m/2 + d-1; // [0, 354] - auto const doe = yoe * 354 + (11*(yoe+1)+3)/30 + doy; // [0, 10630] - return days{era * 10631 + static_cast<int>(doe) - 492148}; -} - -CONSTCD14 -inline -year_month_day::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_day::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_day::ok() const NOEXCEPT -{ - if (!(y_.ok() && m_.ok())) - return false; - return 1_d <= d_ && d_ <= (y_/m_/last).day(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())))); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os << ymd.year() << '-'; - os.width(2); - os << static_cast<unsigned>(ymd.month()) << '-'; - os << ymd.day(); - return os; -} - -CONSTCD14 -inline -year_month_day -year_month_day::from_days(days dp) NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const z = dp.count() + 492148; - auto const era = (z >= 0 ? z : z - 10630) / 10631; - auto const doe = static_cast<unsigned>(z - era * 10631); // [0, 10630] - auto const yoe = (30*doe + 10646)/10631 - 1; // [0, 29] - auto const y = static_cast<sys_days::rep>(yoe) + era * 30 + 1; - auto const doy = doe - (yoe * 354 + (11*(yoe+1)+3)/30); // [0, 354] - auto const m = (11*doy + 330) / 325; // [1, 12] - auto const d = doy - (29*(m-1) + m/2) + 1; // [1, 30] - return year_month_day{islamic::year{y}, islamic::month(m), islamic::day(d)}; -} - -CONSTCD14 -inline -year_month_day -operator+(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return (ymd.year() / ymd.month() + dm) / ymd.day(); -} - -CONSTCD14 -inline -year_month_day -operator+(const months& dm, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dm; -} - -CONSTCD14 -inline -year_month_day -operator-(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return ymd + (-dm); -} - -CONSTCD11 -inline -year_month_day -operator+(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return (ymd.year() + dy) / ymd.month() / ymd.day(); -} - -CONSTCD11 -inline -year_month_day -operator+(const years& dy, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dy; -} - -CONSTCD11 -inline -year_month_day -operator-(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return ymd + (-dy); -} - -// year_month_weekday - -CONSTCD11 -inline -year_month_weekday::year_month_weekday(const islamic::year& y, const islamic::month& m, - const islamic::weekday_indexed& wdi) - NOEXCEPT - : y_(y) - , m_(m) - , wdi_(wdi) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const sys_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const local_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday::weekday() const NOEXCEPT -{ - return wdi_.weekday(); -} - -CONSTCD11 -inline -unsigned -year_month_weekday::index() const NOEXCEPT -{ - return wdi_.index(); -} - -CONSTCD11 -inline -weekday_indexed -year_month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD14 -inline -year_month_weekday::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_weekday::ok() const NOEXCEPT -{ - if (!y_.ok() || !m_.ok() || !wdi_.weekday().ok() || wdi_.index() < 1) - return false; - if (wdi_.index() <= 4) - return true; - auto d2 = wdi_.weekday() - islamic::weekday(y_/m_/1) + days((wdi_.index()-1)*7 + 1); - return static_cast<unsigned>(d2.count()) <= static_cast<unsigned>((y_/m_/last).day()); -} - -CONSTCD14 -inline -year_month_weekday -year_month_weekday::from_days(days d) NOEXCEPT -{ - sys_days dp{d}; - auto const wd = islamic::weekday(dp); - auto const ymd = year_month_day(dp); - return {ymd.year(), ymd.month(), wd[(static_cast<unsigned>(ymd.day())-1)/7+1]}; -} - -CONSTCD14 -inline -days -year_month_weekday::to_days() const NOEXCEPT -{ - auto d = sys_days(y_/m_/1); - return (d + (wdi_.weekday() - islamic::weekday(d) + days{(wdi_.index()-1)*7}) - ).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi) -{ - return os << ymwdi.year() << '/' << ymwdi.month() - << '/' << ymwdi.weekday_indexed(); -} - -CONSTCD14 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return (ymwd.year() / ymwd.month() + dm) / ymwd.weekday_indexed(); -} - -CONSTCD14 -inline -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dm; -} - -CONSTCD14 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return ymwd + (-dm); -} - -CONSTCD11 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return {ymwd.year()+dy, ymwd.month(), ymwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dy; -} - -CONSTCD11 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return ymwd + (-dy); -} - -// year_month_weekday_last - -CONSTCD11 -inline -year_month_weekday_last::year_month_weekday_last(const islamic::year& y, - const islamic::month& m, - const islamic::weekday_last& wdl) NOEXCEPT - : y_(y) - , m_(m) - , wdl_(wdl) - {} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday_last::weekday() const NOEXCEPT -{ - return wdl_.weekday(); -} - -CONSTCD11 -inline -weekday_last -year_month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD14 -inline -year_month_weekday_last::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday_last::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD11 -inline -bool -year_month_weekday_last::ok() const NOEXCEPT -{ - return y_.ok() && m_.ok() && wdl_.ok(); -} - -CONSTCD14 -inline -days -year_month_weekday_last::to_days() const NOEXCEPT -{ - auto const d = sys_days(y_/m_/last); - return (d - (islamic::weekday{d} - wdl_.weekday())).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl) -{ - return os << ymwdl.year() << '/' << ymwdl.month() << '/' << ymwdl.weekday_last(); -} - -CONSTCD14 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return (ymwdl.year() / ymwdl.month() + dm) / ymwdl.weekday_last(); -} - -CONSTCD14 -inline -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dm; -} - -CONSTCD14 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return ymwdl + (-dm); -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return {ymwdl.year()+dy, ymwdl.month(), ymwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dy; -} - -CONSTCD11 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return ymwdl + (-dy); -} - -// year_month from operator/() - -CONSTCD11 -inline -year_month -operator/(const year& y, const month& m) NOEXCEPT -{ - return {y, m}; -} - -CONSTCD11 -inline -year_month -operator/(const year& y, int m) NOEXCEPT -{ - return y / month(static_cast<unsigned>(m)); -} - -// month_day from operator/() - -CONSTCD11 -inline -month_day -operator/(const month& m, const day& d) NOEXCEPT -{ - return {m, d}; -} - -CONSTCD11 -inline -month_day -operator/(const day& d, const month& m) NOEXCEPT -{ - return m / d; -} - -CONSTCD11 -inline -month_day -operator/(const month& m, int d) NOEXCEPT -{ - return m / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -month_day -operator/(int m, const day& d) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / d; -} - -CONSTCD11 inline month_day operator/(const day& d, int m) NOEXCEPT {return m / d;} - -// month_day_last from operator/() - -CONSTCD11 -inline -month_day_last -operator/(const month& m, last_spec) NOEXCEPT -{ - return month_day_last{m}; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, const month& m) NOEXCEPT -{ - return m/last; -} - -CONSTCD11 -inline -month_day_last -operator/(int m, last_spec) NOEXCEPT -{ - return month(static_cast<unsigned>(m))/last; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, int m) NOEXCEPT -{ - return m/last; -} - -// month_weekday from operator/() - -CONSTCD11 -inline -month_weekday -operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT -{ - return {m, wdi}; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT -{ - return m / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(int m, const weekday_indexed& wdi) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, int m) NOEXCEPT -{ - return m / wdi; -} - -// month_weekday_last from operator/() - -CONSTCD11 -inline -month_weekday_last -operator/(const month& m, const weekday_last& wdl) NOEXCEPT -{ - return {m, wdl}; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, const month& m) NOEXCEPT -{ - return m / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(int m, const weekday_last& wdl) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, int m) NOEXCEPT -{ - return m / wdl; -} - -// year_month_day from operator/() - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, const day& d) NOEXCEPT -{ - return {ym.year(), ym.month(), d}; -} - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, int d) NOEXCEPT -{ - return ym / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -year_month_day -operator/(const year& y, const month_day& md) NOEXCEPT -{ - return y / md.month() / md.day(); -} - -CONSTCD11 -inline -year_month_day -operator/(int y, const month_day& md) NOEXCEPT -{ - return year(y) / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, const year& y) NOEXCEPT -{ - return y / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, int y) NOEXCEPT -{ - return year(y) / md; -} - -// year_month_day_last from operator/() - -CONSTCD11 -inline -year_month_day_last -operator/(const year_month& ym, last_spec) NOEXCEPT -{ - return {ym.year(), month_day_last{ym.month()}}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const year& y, const month_day_last& mdl) NOEXCEPT -{ - return {y, mdl}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(int y, const month_day_last& mdl) NOEXCEPT -{ - return year(y) / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, const year& y) NOEXCEPT -{ - return y / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, int y) NOEXCEPT -{ - return year(y) / mdl; -} - -// year_month_weekday from operator/() - -CONSTCD11 -inline -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT -{ - return {ym.year(), ym.month(), wdi}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT -{ - return {y, mwd.month(), mwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT -{ - return year(y) / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT -{ - return y / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT -{ - return year(y) / mwd; -} - -// year_month_weekday_last from operator/() - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT -{ - return {ym.year(), ym.month(), wdl}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT -{ - return {y, mwdl.month(), mwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT -{ - return year(y) / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT -{ - return y / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT -{ - return year(y) / mwdl; -} - -} // namespace islamic - -#endif // ISLAMIC_H diff --git a/src/libs/date/includes/date/iso_week.h b/src/libs/date/includes/date/iso_week.h deleted file mode 100644 index 4a0a4a9b..00000000 --- a/src/libs/date/includes/date/iso_week.h +++ /dev/null @@ -1,1751 +0,0 @@ -#ifndef ISO_WEEK_H -#define ISO_WEEK_H - -// The MIT License (MIT) -// -// Copyright (c) 2015, 2016, 2017 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. - -#include "date.h" - -#include <climits> - -namespace iso_week -{ - -// y/wn/wd -// wn/wd/y -// wd/wn/y - -using days = date::days; -using weeks = date::weeks; -using years = date::years; - -// time_point - -using sys_days = date::sys_days; -using local_days = date::local_days; - -// types - -struct last_week -{ - explicit last_week() = default; -}; - -class weekday; -class weeknum; -class year; - -class year_weeknum; -class year_lastweek; -class weeknum_weekday; -class lastweek_weekday; - -class year_weeknum_weekday; -class year_lastweek_weekday; - -// date composition operators - -CONSTCD11 year_weeknum operator/(const year& y, const weeknum& wn) NOEXCEPT; -CONSTCD11 year_weeknum operator/(const year& y, int wn) NOEXCEPT; - -CONSTCD11 year_lastweek operator/(const year& y, last_week wn) NOEXCEPT; - -CONSTCD11 weeknum_weekday operator/(const weeknum& wn, const weekday& wd) NOEXCEPT; -CONSTCD11 weeknum_weekday operator/(const weeknum& wn, int wd) NOEXCEPT; -CONSTCD11 weeknum_weekday operator/(const weekday& wd, const weeknum& wn) NOEXCEPT; -CONSTCD11 weeknum_weekday operator/(const weekday& wd, int wn) NOEXCEPT; - -CONSTCD11 lastweek_weekday operator/(const last_week& wn, const weekday& wd) NOEXCEPT; -CONSTCD11 lastweek_weekday operator/(const last_week& wn, int wd) NOEXCEPT; -CONSTCD11 lastweek_weekday operator/(const weekday& wd, const last_week& wn) NOEXCEPT; - -CONSTCD11 year_weeknum_weekday operator/(const year_weeknum& ywn, const weekday& wd) NOEXCEPT; -CONSTCD11 year_weeknum_weekday operator/(const year_weeknum& ywn, int wd) NOEXCEPT; -CONSTCD11 year_weeknum_weekday operator/(const weeknum_weekday& wnwd, const year& y) NOEXCEPT; -CONSTCD11 year_weeknum_weekday operator/(const weeknum_weekday& wnwd, int y) NOEXCEPT; - -CONSTCD11 year_lastweek_weekday operator/(const year_lastweek& ylw, const weekday& wd) NOEXCEPT; -CONSTCD11 year_lastweek_weekday operator/(const year_lastweek& ylw, int wd) NOEXCEPT; - -CONSTCD11 year_lastweek_weekday operator/(const lastweek_weekday& lwwd, const year& y) NOEXCEPT; -CONSTCD11 year_lastweek_weekday operator/(const lastweek_weekday& lwwd, int y) NOEXCEPT; - -// weekday - -class weekday -{ - unsigned char wd_; -public: - explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT; - CONSTCD11 weekday(date::weekday wd) NOEXCEPT; - explicit weekday(int) = delete; - CONSTCD11 weekday(const sys_days& dp) NOEXCEPT; - CONSTCD11 explicit weekday(const local_days& dp) NOEXCEPT; - - weekday& operator++() NOEXCEPT; - weekday operator++(int) NOEXCEPT; - weekday& operator--() NOEXCEPT; - weekday operator--(int) NOEXCEPT; - - weekday& operator+=(const days& d) NOEXCEPT; - weekday& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 operator date::weekday() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - -private: - static CONSTCD11 unsigned char weekday_from_days(int z) NOEXCEPT; - static CONSTCD11 unsigned char to_iso_encoding(unsigned char) NOEXCEPT; - static CONSTCD11 unsigned from_iso_encoding(unsigned) NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT; - -CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT; -CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd); - -// year - -class year -{ - short y_; - -public: - explicit CONSTCD11 year(int y) NOEXCEPT; - - year& operator++() NOEXCEPT; - year operator++(int) NOEXCEPT; - year& operator--() NOEXCEPT; - year operator--(int) NOEXCEPT; - - year& operator+=(const years& y) NOEXCEPT; - year& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 explicit operator int() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - static CONSTCD11 year min() NOEXCEPT; - static CONSTCD11 year max() NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT; - -CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT; -CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT; -CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT; -CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y); - -// weeknum - -class weeknum -{ - unsigned char wn_; - -public: - explicit CONSTCD11 weeknum(unsigned wn) NOEXCEPT; - - weeknum& operator++() NOEXCEPT; - weeknum operator++(int) NOEXCEPT; - weeknum& operator--() NOEXCEPT; - weeknum operator--(int) NOEXCEPT; - - weeknum& operator+=(const weeks& y) NOEXCEPT; - weeknum& operator-=(const weeks& y) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weeknum& x, const weeknum& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weeknum& x, const weeknum& y) NOEXCEPT; -CONSTCD11 bool operator< (const weeknum& x, const weeknum& y) NOEXCEPT; -CONSTCD11 bool operator> (const weeknum& x, const weeknum& y) NOEXCEPT; -CONSTCD11 bool operator<=(const weeknum& x, const weeknum& y) NOEXCEPT; -CONSTCD11 bool operator>=(const weeknum& x, const weeknum& y) NOEXCEPT; - -CONSTCD11 weeknum operator+(const weeknum& x, const weeks& y) NOEXCEPT; -CONSTCD11 weeknum operator+(const weeks& x, const weeknum& y) NOEXCEPT; -CONSTCD11 weeknum operator-(const weeknum& x, const weeks& y) NOEXCEPT; -CONSTCD11 weeks operator-(const weeknum& x, const weeknum& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum& wn); - -// year_weeknum - -class year_weeknum -{ - iso_week::year y_; - iso_week::weeknum wn_; - -public: - CONSTCD11 year_weeknum(const iso_week::year& y, const iso_week::weeknum& wn) NOEXCEPT; - - CONSTCD11 iso_week::year year() const NOEXCEPT; - CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT; - - year_weeknum& operator+=(const years& dy) NOEXCEPT; - year_weeknum& operator-=(const years& dy) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_weeknum& x, const year_weeknum& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_weeknum& x, const year_weeknum& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_weeknum& x, const year_weeknum& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT; - -CONSTCD11 year_weeknum operator+(const year_weeknum& ym, const years& dy) NOEXCEPT; -CONSTCD11 year_weeknum operator+(const years& dy, const year_weeknum& ym) NOEXCEPT; -CONSTCD11 year_weeknum operator-(const year_weeknum& ym, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum& ym); - -// year_lastweek - -class year_lastweek -{ - iso_week::year y_; - -public: - CONSTCD11 explicit year_lastweek(const iso_week::year& y) NOEXCEPT; - - CONSTCD11 iso_week::year year() const NOEXCEPT; - CONSTCD14 iso_week::weeknum weeknum() const NOEXCEPT; - - year_lastweek& operator+=(const years& dy) NOEXCEPT; - year_lastweek& operator-=(const years& dy) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_lastweek& x, const year_lastweek& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_lastweek& x, const year_lastweek& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_lastweek& x, const year_lastweek& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT; - -CONSTCD11 year_lastweek operator+(const year_lastweek& ym, const years& dy) NOEXCEPT; -CONSTCD11 year_lastweek operator+(const years& dy, const year_lastweek& ym) NOEXCEPT; -CONSTCD11 year_lastweek operator-(const year_lastweek& ym, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek& ym); - -// weeknum_weekday - -class weeknum_weekday -{ - iso_week::weeknum wn_; - iso_week::weekday wd_; - -public: - CONSTCD11 weeknum_weekday(const iso_week::weeknum& wn, - const iso_week::weekday& wd) NOEXCEPT; - - CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT; - CONSTCD11 iso_week::weekday weekday() const NOEXCEPT; - - CONSTCD14 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator< (const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator> (const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator<=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator>=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum_weekday& md); - -// lastweek_weekday - -class lastweek_weekday -{ - iso_week::weekday wd_; - -public: - CONSTCD11 explicit lastweek_weekday(const iso_week::weekday& wd) NOEXCEPT; - - CONSTCD11 iso_week::weekday weekday() const NOEXCEPT; - - CONSTCD14 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator< (const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator> (const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator<=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator>=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const lastweek_weekday& md); - -// year_lastweek_weekday - -class year_lastweek_weekday -{ - iso_week::year y_; - iso_week::weekday wd_; - -public: - CONSTCD11 year_lastweek_weekday(const iso_week::year& y, - const iso_week::weekday& wd) NOEXCEPT; - - year_lastweek_weekday& operator+=(const years& y) NOEXCEPT; - year_lastweek_weekday& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 iso_week::year year() const NOEXCEPT; - CONSTCD14 iso_week::weeknum weeknum() const NOEXCEPT; - CONSTCD11 iso_week::weekday weekday() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT; - -CONSTCD11 year_lastweek_weekday operator+(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT; -CONSTCD11 year_lastweek_weekday operator+(const years& y, const year_lastweek_weekday& ywnwd) NOEXCEPT; -CONSTCD11 year_lastweek_weekday operator-(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek_weekday& ywnwd); - -// class year_weeknum_weekday - -class year_weeknum_weekday -{ - iso_week::year y_; - iso_week::weeknum wn_; - iso_week::weekday wd_; - -public: - CONSTCD11 year_weeknum_weekday(const iso_week::year& y, const iso_week::weeknum& wn, - const iso_week::weekday& wd) NOEXCEPT; - CONSTCD14 year_weeknum_weekday(const year_lastweek_weekday& ylwwd) NOEXCEPT; - CONSTCD14 year_weeknum_weekday(const sys_days& dp) NOEXCEPT; - CONSTCD14 explicit year_weeknum_weekday(const local_days& dp) NOEXCEPT; - - year_weeknum_weekday& operator+=(const years& y) NOEXCEPT; - year_weeknum_weekday& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 iso_week::year year() const NOEXCEPT; - CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT; - CONSTCD11 iso_week::weekday weekday() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_weeknum_weekday from_days(days dp) NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT; - -CONSTCD11 year_weeknum_weekday operator+(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT; -CONSTCD11 year_weeknum_weekday operator+(const years& y, const year_weeknum_weekday& ywnwd) NOEXCEPT; -CONSTCD11 year_weeknum_weekday operator-(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum_weekday& ywnwd); - -//----------------+ -// Implementation | -//----------------+ - -// weekday - -CONSTCD11 -inline -unsigned char -weekday::to_iso_encoding(unsigned char z) NOEXCEPT -{ - return z != 0 ? z : (unsigned char)7; -} - -CONSTCD11 -inline -unsigned -weekday::from_iso_encoding(unsigned z) NOEXCEPT -{ - return z != 7 ? z : 0u; -} - -CONSTCD11 -inline -unsigned char -weekday::weekday_from_days(int z) NOEXCEPT -{ - return to_iso_encoding(static_cast<unsigned char>(static_cast<unsigned>( - z >= -4 ? (z+4) % 7 : (z+5) % 7 + 6))); -} - -CONSTCD11 -inline -weekday::weekday(unsigned wd) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(wd)) - {} - -CONSTCD11 -inline -weekday::weekday(date::weekday wd) NOEXCEPT - : wd_(wd.iso_encoding()) - {} - -CONSTCD11 -inline -weekday::weekday(const sys_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD11 -inline -weekday::weekday(const local_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -inline weekday& weekday::operator++() NOEXCEPT {if (++wd_ == 8) wd_ = 1; return *this;} -inline weekday weekday::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -inline weekday& weekday::operator--() NOEXCEPT {if (wd_-- == 1) wd_ = 7; return *this;} -inline weekday weekday::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -inline -weekday& -weekday::operator+=(const days& d) NOEXCEPT -{ - *this = *this + d; - return *this; -} - -inline -weekday& -weekday::operator-=(const days& d) NOEXCEPT -{ - *this = *this - d; - return *this; -} - -CONSTCD11 -inline -weekday::operator unsigned() const NOEXCEPT -{ - return wd_; -} - -CONSTCD11 -inline -weekday::operator date::weekday() const NOEXCEPT -{ - return date::weekday{from_iso_encoding(unsigned{wd_})}; -} - -CONSTCD11 inline bool weekday::ok() const NOEXCEPT {return 1 <= wd_ && wd_ <= 7;} - -CONSTCD11 -inline -bool -operator==(const weekday& x, const weekday& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const weekday& x, const weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD14 -inline -days -operator-(const weekday& x, const weekday& y) NOEXCEPT -{ - auto const diff = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return days{diff <= 6 ? diff : diff + 7}; -} - -CONSTCD14 -inline -weekday -operator+(const weekday& x, const days& y) NOEXCEPT -{ - auto const wdu = static_cast<long long>(static_cast<unsigned>(x) - 1u) + y.count(); - auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7; - return weekday{static_cast<unsigned>(wdu - wk * 7) + 1u}; -} - -CONSTCD14 -inline -weekday -operator+(const days& x, const weekday& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -weekday -operator-(const weekday& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd) -{ - switch (static_cast<unsigned>(wd)) - { - case 7: - os << "Sun"; - break; - case 1: - os << "Mon"; - break; - case 2: - os << "Tue"; - break; - case 3: - os << "Wed"; - break; - case 4: - os << "Thu"; - break; - case 5: - os << "Fri"; - break; - case 6: - os << "Sat"; - break; - default: - os << static_cast<unsigned>(wd) << " is not a valid weekday"; - break; - } - return os; -} - -// year - -CONSTCD11 inline year::year(int y) NOEXCEPT : y_(static_cast<decltype(y_)>(y)) {} -inline year& year::operator++() NOEXCEPT {++y_; return *this;} -inline year year::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -inline year& year::operator--() NOEXCEPT {--y_; return *this;} -inline year year::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -inline year& year::operator+=(const years& y) NOEXCEPT {*this = *this + y; return *this;} -inline year& year::operator-=(const years& y) NOEXCEPT {*this = *this - y; return *this;} - -CONSTCD11 inline year::operator int() const NOEXCEPT {return y_;} -CONSTCD11 inline bool year::ok() const NOEXCEPT {return min() <= *this && *this <= max();} - -CONSTCD11 -inline -year -year::min() NOEXCEPT -{ - using std::chrono::seconds; - using std::chrono::minutes; - using std::chrono::hours; - using std::chrono::duration_cast; - static_assert(sizeof(seconds)*CHAR_BIT >= 41, "seconds may overflow"); - static_assert(sizeof(hours)*CHAR_BIT >= 30, "hours may overflow"); - return sizeof(minutes)*CHAR_BIT < 34 ? - year{1970} + duration_cast<years>(minutes::min()) : - year{std::numeric_limits<short>::min()}; -} - -CONSTCD11 -inline -year -year::max() NOEXCEPT -{ - using std::chrono::seconds; - using std::chrono::minutes; - using std::chrono::hours; - using std::chrono::duration_cast; - static_assert(sizeof(seconds)*CHAR_BIT >= 41, "seconds may overflow"); - static_assert(sizeof(hours)*CHAR_BIT >= 30, "hours may overflow"); - return sizeof(minutes)*CHAR_BIT < 34 ? - year{1969} + duration_cast<years>(minutes::max()) : - year{std::numeric_limits<short>::max()}; -} - -CONSTCD11 -inline -bool -operator==(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) == static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator!=(const year& x, const year& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) < static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator>(const year& x, const year& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year& x, const year& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year& x, const year& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -years -operator-(const year& x, const year& y) NOEXCEPT -{ - return years{static_cast<int>(x) - static_cast<int>(y)}; -} - -CONSTCD11 -inline -year -operator+(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) + y.count()}; -} - -CONSTCD11 -inline -year -operator+(const years& x, const year& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -year -operator-(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) - y.count()}; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::internal); - os.width(4 + (y < year{0})); - os << static_cast<int>(y); - return os; -} - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 -inline -iso_week::year -operator "" _y(unsigned long long y) NOEXCEPT -{ - return iso_week::year(static_cast<int>(y)); -} - -CONSTCD11 -inline -iso_week::weeknum -operator "" _w(unsigned long long wn) NOEXCEPT -{ - return iso_week::weeknum(static_cast<unsigned>(wn)); -} - -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -CONSTDATA iso_week::last_week last{}; - -CONSTDATA iso_week::weekday sun{7u}; -CONSTDATA iso_week::weekday mon{1u}; -CONSTDATA iso_week::weekday tue{2u}; -CONSTDATA iso_week::weekday wed{3u}; -CONSTDATA iso_week::weekday thu{4u}; -CONSTDATA iso_week::weekday fri{5u}; -CONSTDATA iso_week::weekday sat{6u}; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -} // inline namespace literals -#endif - -// weeknum - -CONSTCD11 -inline -weeknum::weeknum(unsigned wn) NOEXCEPT - : wn_(static_cast<decltype(wn_)>(wn)) - {} - -inline weeknum& weeknum::operator++() NOEXCEPT {++wn_; return *this;} -inline weeknum weeknum::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -inline weeknum& weeknum::operator--() NOEXCEPT {--wn_; return *this;} -inline weeknum weeknum::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -inline -weeknum& -weeknum::operator+=(const weeks& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -inline -weeknum& -weeknum::operator-=(const weeks& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline weeknum::operator unsigned() const NOEXCEPT {return wn_;} -CONSTCD11 inline bool weeknum::ok() const NOEXCEPT {return 1 <= wn_ && wn_ <= 53;} - -CONSTCD11 -inline -bool -operator==(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -weeks -operator-(const weeknum& x, const weeknum& y) NOEXCEPT -{ - return weeks{static_cast<weeks::rep>(static_cast<unsigned>(x)) - - static_cast<weeks::rep>(static_cast<unsigned>(y))}; -} - -CONSTCD11 -inline -weeknum -operator+(const weeknum& x, const weeks& y) NOEXCEPT -{ - return weeknum{static_cast<unsigned>(x) + static_cast<unsigned>(y.count())}; -} - -CONSTCD11 -inline -weeknum -operator+(const weeks& x, const weeknum& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -weeknum -operator-(const weeknum& x, const weeks& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum& wn) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os << 'W'; - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(wn); - return os; -} - -// year_weeknum - -CONSTCD11 -inline -year_weeknum::year_weeknum(const iso_week::year& y, const iso_week::weeknum& wn) NOEXCEPT - : y_(y) - , wn_(wn) - {} - -CONSTCD11 inline year year_weeknum::year() const NOEXCEPT {return y_;} -CONSTCD11 inline weeknum year_weeknum::weeknum() const NOEXCEPT {return wn_;} -CONSTCD11 inline bool year_weeknum::ok() const NOEXCEPT -{ - return y_.ok() && 1u <= static_cast<unsigned>(wn_) && wn_ <= (y_/last).weeknum(); -} - -inline -year_weeknum& -year_weeknum::operator+=(const years& dy) NOEXCEPT -{ - *this = *this + dy; - return *this; -} - -inline -year_weeknum& -year_weeknum::operator-=(const years& dy) NOEXCEPT -{ - *this = *this - dy; - return *this; -} - -CONSTCD11 -inline -bool -operator==(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return x.year() == y.year() && x.weeknum() == y.weeknum(); -} - -CONSTCD11 -inline -bool -operator!=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.weeknum() < y.weeknum())); -} - -CONSTCD11 -inline -bool -operator>(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -year_weeknum -operator+(const year_weeknum& ym, const years& dy) NOEXCEPT -{ - return (ym.year() + dy) / ym.weeknum(); -} - -CONSTCD11 -inline -year_weeknum -operator+(const years& dy, const year_weeknum& ym) NOEXCEPT -{ - return ym + dy; -} - -CONSTCD11 -inline -year_weeknum -operator-(const year_weeknum& ym, const years& dy) NOEXCEPT -{ - return ym + -dy; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum& ywn) -{ - return os << ywn.year() << '-' << ywn.weeknum(); -} - - -// year_lastweek - -CONSTCD11 -inline -year_lastweek::year_lastweek(const iso_week::year& y) NOEXCEPT - : y_(y) - {} - -CONSTCD11 inline year year_lastweek::year() const NOEXCEPT {return y_;} - -CONSTCD14 -inline -weeknum -year_lastweek::weeknum() const NOEXCEPT -{ - const auto y = date::year{static_cast<int>(y_)}; - const auto s0 = sys_days((y-years{1})/12/date::thu[date::last]); - const auto s1 = sys_days(y/12/date::thu[date::last]); - return iso_week::weeknum(static_cast<unsigned>(date::trunc<weeks>(s1-s0).count())); -} - -CONSTCD11 inline bool year_lastweek::ok() const NOEXCEPT {return y_.ok();} - -inline -year_lastweek& -year_lastweek::operator+=(const years& dy) NOEXCEPT -{ - *this = *this + dy; - return *this; -} - -inline -year_lastweek& -year_lastweek::operator-=(const years& dy) NOEXCEPT -{ - *this = *this - dy; - return *this; -} - -CONSTCD11 -inline -bool -operator==(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return x.year() == y.year(); -} - -CONSTCD11 -inline -bool -operator!=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return x.year() < y.year(); -} - -CONSTCD11 -inline -bool -operator>(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -year_lastweek -operator+(const year_lastweek& ym, const years& dy) NOEXCEPT -{ - return year_lastweek{ym.year() + dy}; -} - -CONSTCD11 -inline -year_lastweek -operator+(const years& dy, const year_lastweek& ym) NOEXCEPT -{ - return ym + dy; -} - -CONSTCD11 -inline -year_lastweek -operator-(const year_lastweek& ym, const years& dy) NOEXCEPT -{ - return ym + -dy; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek& ywn) -{ - return os << ywn.year() << "-W last"; -} - -// weeknum_weekday - -CONSTCD11 -inline -weeknum_weekday::weeknum_weekday(const iso_week::weeknum& wn, - const iso_week::weekday& wd) NOEXCEPT - : wn_(wn) - , wd_(wd) - {} - -CONSTCD11 inline weeknum weeknum_weekday::weeknum() const NOEXCEPT {return wn_;} -CONSTCD11 inline weekday weeknum_weekday::weekday() const NOEXCEPT {return wd_;} - -CONSTCD14 -inline -bool -weeknum_weekday::ok() const NOEXCEPT -{ - return wn_.ok() && wd_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return x.weeknum() == y.weeknum() && x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return x.weeknum() < y.weeknum() ? true - : (x.weeknum() > y.weeknum() ? false - : (static_cast<unsigned>(x.weekday()) < static_cast<unsigned>(y.weekday()))); -} - -CONSTCD11 -inline -bool -operator>(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum_weekday& md) -{ - return os << md.weeknum() << '-' << md.weekday(); -} - -// lastweek_weekday - -CONSTCD11 -inline -lastweek_weekday::lastweek_weekday(const iso_week::weekday& wd) NOEXCEPT - : wd_(wd) - {} - -CONSTCD11 inline weekday lastweek_weekday::weekday() const NOEXCEPT {return wd_;} - -CONSTCD14 -inline -bool -lastweek_weekday::ok() const NOEXCEPT -{ - return wd_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return static_cast<unsigned>(x.weekday()) < static_cast<unsigned>(y.weekday()); -} - -CONSTCD11 -inline -bool -operator>(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const lastweek_weekday& md) -{ - return os << "W last-" << md.weekday(); -} - -// year_lastweek_weekday - -CONSTCD11 -inline -year_lastweek_weekday::year_lastweek_weekday(const iso_week::year& y, - const iso_week::weekday& wd) NOEXCEPT - : y_(y) - , wd_(wd) - {} - -inline -year_lastweek_weekday& -year_lastweek_weekday::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -inline -year_lastweek_weekday& -year_lastweek_weekday::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_lastweek_weekday::year() const NOEXCEPT {return y_;} - -CONSTCD14 -inline -weeknum -year_lastweek_weekday::weeknum() const NOEXCEPT -{ - return (y_ / last).weeknum(); -} - -CONSTCD11 inline weekday year_lastweek_weekday::weekday() const NOEXCEPT {return wd_;} - -CONSTCD14 -inline -year_lastweek_weekday::operator sys_days() const NOEXCEPT -{ - return sys_days(date::year{static_cast<int>(y_)}/date::dec/date::thu[date::last]) - + (sun - thu) - (sun - wd_); -} - -CONSTCD14 -inline -year_lastweek_weekday::operator local_days() const NOEXCEPT -{ - return local_days(date::year{static_cast<int>(y_)}/date::dec/date::thu[date::last]) - + (sun - thu) - (sun - wd_); -} - -CONSTCD11 -inline -bool -year_lastweek_weekday::ok() const NOEXCEPT -{ - return y_.ok() && wd_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return x.year() == y.year() && x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (static_cast<unsigned>(x.weekday()) < static_cast<unsigned>(y.weekday()))); -} - -CONSTCD11 -inline -bool -operator>(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -year_lastweek_weekday -operator+(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT -{ - return (ywnwd.year() + y) / last / ywnwd.weekday(); -} - -CONSTCD11 -inline -year_lastweek_weekday -operator+(const years& y, const year_lastweek_weekday& ywnwd) NOEXCEPT -{ - return ywnwd + y; -} - -CONSTCD11 -inline -year_lastweek_weekday -operator-(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT -{ - return ywnwd + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek_weekday& ywnwd) -{ - return os << ywnwd.year() << "-W last-" << ywnwd.weekday(); -} - -// year_weeknum_weekday - -CONSTCD11 -inline -year_weeknum_weekday::year_weeknum_weekday(const iso_week::year& y, - const iso_week::weeknum& wn, - const iso_week::weekday& wd) NOEXCEPT - : y_(y) - , wn_(wn) - , wd_(wd) - {} - -CONSTCD14 -inline -year_weeknum_weekday::year_weeknum_weekday(const year_lastweek_weekday& ylwwd) NOEXCEPT - : y_(ylwwd.year()) - , wn_(ylwwd.weeknum()) - , wd_(ylwwd.weekday()) - {} - -CONSTCD14 -inline -year_weeknum_weekday::year_weeknum_weekday(const sys_days& dp) NOEXCEPT - : year_weeknum_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_weeknum_weekday::year_weeknum_weekday(const local_days& dp) NOEXCEPT - : year_weeknum_weekday(from_days(dp.time_since_epoch())) - {} - -inline -year_weeknum_weekday& -year_weeknum_weekday::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -inline -year_weeknum_weekday& -year_weeknum_weekday::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_weeknum_weekday::year() const NOEXCEPT {return y_;} -CONSTCD11 inline weeknum year_weeknum_weekday::weeknum() const NOEXCEPT {return wn_;} -CONSTCD11 inline weekday year_weeknum_weekday::weekday() const NOEXCEPT {return wd_;} - -CONSTCD14 -inline -year_weeknum_weekday::operator sys_days() const NOEXCEPT -{ - return sys_days(date::year{static_cast<int>(y_)-1}/date::dec/date::thu[date::last]) - + (date::mon - date::thu) + weeks{static_cast<unsigned>(wn_)-1} + (wd_ - mon); -} - -CONSTCD14 -inline -year_weeknum_weekday::operator local_days() const NOEXCEPT -{ - return local_days(date::year{static_cast<int>(y_)-1}/date::dec/date::thu[date::last]) - + (date::mon - date::thu) + weeks{static_cast<unsigned>(wn_)-1} + (wd_ - mon); -} - -CONSTCD14 -inline -bool -year_weeknum_weekday::ok() const NOEXCEPT -{ - return y_.ok() && wd_.ok() && iso_week::weeknum{1u} <= wn_ && wn_ <= year_lastweek{y_}.weeknum(); -} - -CONSTCD14 -inline -year_weeknum_weekday -year_weeknum_weekday::from_days(days d) NOEXCEPT -{ - const auto dp = sys_days{d}; - const auto wd = iso_week::weekday{dp}; - auto y = date::year_month_day{dp + days{3}}.year(); - auto start = sys_days((y - date::years{1})/date::dec/date::thu[date::last]) + (mon-thu); - if (dp < start) - { - --y; - start = sys_days((y - date::years{1})/date::dec/date::thu[date::last]) + (mon-thu); - } - const auto wn = iso_week::weeknum( - static_cast<unsigned>(date::trunc<weeks>(dp - start).count() + 1)); - return {iso_week::year(static_cast<int>(y)), wn, wd}; -} - -CONSTCD11 -inline -bool -operator==(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return x.year() == y.year() && x.weeknum() == y.weeknum() && x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.weeknum() < y.weeknum() ? true - : (x.weeknum() > y.weeknum() ? false - : (static_cast<unsigned>(x.weekday()) < static_cast<unsigned>(y.weekday()))))); -} - -CONSTCD11 -inline -bool -operator>(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -year_weeknum_weekday -operator+(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT -{ - return (ywnwd.year() + y) / ywnwd.weeknum() / ywnwd.weekday(); -} - -CONSTCD11 -inline -year_weeknum_weekday -operator+(const years& y, const year_weeknum_weekday& ywnwd) NOEXCEPT -{ - return ywnwd + y; -} - -CONSTCD11 -inline -year_weeknum_weekday -operator-(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT -{ - return ywnwd + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum_weekday& ywnwd) -{ - return os << ywnwd.year() << '-' << ywnwd.weeknum() << '-' << ywnwd.weekday(); -} - -// date composition operators - -CONSTCD11 -inline -year_weeknum -operator/(const year& y, const weeknum& wn) NOEXCEPT -{ - return {y, wn}; -} - -CONSTCD11 -inline -year_weeknum -operator/(const year& y, int wn) NOEXCEPT -{ - return y/weeknum(static_cast<unsigned>(wn)); -} - -CONSTCD11 -inline -year_lastweek -operator/(const year& y, last_week) NOEXCEPT -{ - return year_lastweek{y}; -} - -CONSTCD11 -inline -weeknum_weekday -operator/(const weeknum& wn, const weekday& wd) NOEXCEPT -{ - return {wn, wd}; -} - -CONSTCD11 -inline -weeknum_weekday -operator/(const weeknum& wn, int wd) NOEXCEPT -{ - return wn/weekday{static_cast<unsigned>(wd)}; -} - -CONSTCD11 -inline -weeknum_weekday -operator/(const weekday& wd, const weeknum& wn) NOEXCEPT -{ - return wn/wd; -} - -CONSTCD11 -inline -weeknum_weekday -operator/(const weekday& wd, int wn) NOEXCEPT -{ - return weeknum{static_cast<unsigned>(wn)}/wd; -} - -CONSTCD11 -inline -lastweek_weekday -operator/(const last_week&, const weekday& wd) NOEXCEPT -{ - return lastweek_weekday{wd}; -} - -CONSTCD11 -inline -lastweek_weekday -operator/(const last_week& wn, int wd) NOEXCEPT -{ - return wn / weekday{static_cast<unsigned>(wd)}; -} - -CONSTCD11 -inline -lastweek_weekday -operator/(const weekday& wd, const last_week& wn) NOEXCEPT -{ - return wn / wd; -} - -CONSTCD11 -inline -year_weeknum_weekday -operator/(const year_weeknum& ywn, const weekday& wd) NOEXCEPT -{ - return {ywn.year(), ywn.weeknum(), wd}; -} - -CONSTCD11 -inline -year_weeknum_weekday -operator/(const year_weeknum& ywn, int wd) NOEXCEPT -{ - return ywn / weekday(static_cast<unsigned>(wd)); -} - -CONSTCD11 -inline -year_weeknum_weekday -operator/(const weeknum_weekday& wnwd, const year& y) NOEXCEPT -{ - return {y, wnwd.weeknum(), wnwd.weekday()}; -} - -CONSTCD11 -inline -year_weeknum_weekday -operator/(const weeknum_weekday& wnwd, int y) NOEXCEPT -{ - return wnwd / year{y}; -} - -CONSTCD11 -inline -year_lastweek_weekday -operator/(const year_lastweek& ylw, const weekday& wd) NOEXCEPT -{ - return {ylw.year(), wd}; -} - -CONSTCD11 -inline -year_lastweek_weekday -operator/(const year_lastweek& ylw, int wd) NOEXCEPT -{ - return ylw / weekday(static_cast<unsigned>(wd)); -} - -CONSTCD11 -inline -year_lastweek_weekday -operator/(const lastweek_weekday& lwwd, const year& y) NOEXCEPT -{ - return {y, lwwd.weekday()}; -} - -CONSTCD11 -inline -year_lastweek_weekday -operator/(const lastweek_weekday& lwwd, int y) NOEXCEPT -{ - return lwwd / year{y}; -} - -} // namespace iso_week - -#endif // ISO_WEEK_H diff --git a/src/libs/date/includes/date/julian.h b/src/libs/date/includes/date/julian.h deleted file mode 100644 index 7869792b..00000000 --- a/src/libs/date/includes/date/julian.h +++ /dev/null @@ -1,3046 +0,0 @@ -#ifndef JULIAN_H -#define JULIAN_H - -// The MIT License (MIT) -// -// Copyright (c) 2016 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -#include "date.h" - -namespace julian -{ - -// durations - -using days = date::days; - -using weeks = date::weeks; - -using years = std::chrono::duration - <int, date::detail::ratio_multiply<std::ratio<1461, 4>, days::period>>; - -using months = std::chrono::duration - <int, date::detail::ratio_divide<years::period, std::ratio<12>>>; - -// time_point - -using sys_days = date::sys_days; -using local_days = date::local_days; - -// types - -struct last_spec -{ - explicit last_spec() = default; -}; - -class day; -class month; -class year; - -class weekday; -class weekday_indexed; -class weekday_last; - -class month_day; -class month_day_last; -class month_weekday; -class month_weekday_last; - -class year_month; - -class year_month_day; -class year_month_day_last; -class year_month_weekday; -class year_month_weekday_last; - -// date composition operators - -CONSTCD11 year_month operator/(const year& y, const month& m) NOEXCEPT; -CONSTCD11 year_month operator/(const year& y, int m) NOEXCEPT; - -CONSTCD11 month_day operator/(const day& d, const month& m) NOEXCEPT; -CONSTCD11 month_day operator/(const day& d, int m) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, const day& d) NOEXCEPT; -CONSTCD11 month_day operator/(const month& m, int d) NOEXCEPT; -CONSTCD11 month_day operator/(int m, const day& d) NOEXCEPT; - -CONSTCD11 month_day_last operator/(const month& m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(int m, last_spec) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, const month& m) NOEXCEPT; -CONSTCD11 month_day_last operator/(last_spec, int m) NOEXCEPT; - -CONSTCD11 month_weekday operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(int m, const weekday_indexed& wdi) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT; -CONSTCD11 month_weekday operator/(const weekday_indexed& wdi, int m) NOEXCEPT; - -CONSTCD11 month_weekday_last operator/(const month& m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(int m, const weekday_last& wdl) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, const month& m) NOEXCEPT; -CONSTCD11 month_weekday_last operator/(const weekday_last& wdl, int m) NOEXCEPT; - -CONSTCD11 year_month_day operator/(const year_month& ym, const day& d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year_month& ym, int d) NOEXCEPT; -CONSTCD11 year_month_day operator/(const year& y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(int y, const month_day& md) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, const year& y) NOEXCEPT; -CONSTCD11 year_month_day operator/(const month_day& md, int y) NOEXCEPT; - -CONSTCD11 - year_month_day_last operator/(const year_month& ym, last_spec) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const year& y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(int y, const month_day_last& mdl) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, const year& y) NOEXCEPT; -CONSTCD11 - year_month_day_last operator/(const month_day_last& mdl, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT; - -// Detailed interface - -// day - -class day -{ - unsigned char d_; - -public: - explicit CONSTCD11 day(unsigned d) NOEXCEPT; - - CONSTCD14 day& operator++() NOEXCEPT; - CONSTCD14 day operator++(int) NOEXCEPT; - CONSTCD14 day& operator--() NOEXCEPT; - CONSTCD14 day operator--(int) NOEXCEPT; - - CONSTCD14 day& operator+=(const days& d) NOEXCEPT; - CONSTCD14 day& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator< (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator> (const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const day& x, const day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const day& x, const day& y) NOEXCEPT; - -CONSTCD11 day operator+(const day& x, const days& y) NOEXCEPT; -CONSTCD11 day operator+(const days& x, const day& y) NOEXCEPT; -CONSTCD11 day operator-(const day& x, const days& y) NOEXCEPT; -CONSTCD11 days operator-(const day& x, const day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d); - -// month - -class month -{ - unsigned char m_; - -public: - explicit CONSTCD11 month(unsigned m) NOEXCEPT; - - CONSTCD14 month& operator++() NOEXCEPT; - CONSTCD14 month operator++(int) NOEXCEPT; - CONSTCD14 month& operator--() NOEXCEPT; - CONSTCD14 month operator--(int) NOEXCEPT; - - CONSTCD14 month& operator+=(const months& m) NOEXCEPT; - CONSTCD14 month& operator-=(const months& m) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator< (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator> (const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month& x, const month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month& x, const month& y) NOEXCEPT; - -CONSTCD14 month operator+(const month& x, const months& y) NOEXCEPT; -CONSTCD14 month operator+(const months& x, const month& y) NOEXCEPT; -CONSTCD14 month operator-(const month& x, const months& y) NOEXCEPT; -CONSTCD14 months operator-(const month& x, const month& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m); - -// year - -class year -{ - short y_; - -public: - explicit CONSTCD11 year(int y) NOEXCEPT; - - CONSTCD14 year& operator++() NOEXCEPT; - CONSTCD14 year operator++(int) NOEXCEPT; - CONSTCD14 year& operator--() NOEXCEPT; - CONSTCD14 year operator--(int) NOEXCEPT; - - CONSTCD14 year& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 bool is_leap() const NOEXCEPT; - - CONSTCD11 explicit operator int() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - static CONSTCD11 year min() NOEXCEPT; - static CONSTCD11 year max() NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT; - -CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT; -CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT; -CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT; -CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y); - -// weekday - -class weekday -{ - unsigned char wd_; -public: - explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT; - explicit weekday(int) = delete; - CONSTCD11 weekday(const sys_days& dp) NOEXCEPT; - CONSTCD11 explicit weekday(const local_days& dp) NOEXCEPT; - - CONSTCD14 weekday& operator++() NOEXCEPT; - CONSTCD14 weekday operator++(int) NOEXCEPT; - CONSTCD14 weekday& operator--() NOEXCEPT; - CONSTCD14 weekday operator--(int) NOEXCEPT; - - CONSTCD14 weekday& operator+=(const days& d) NOEXCEPT; - CONSTCD14 weekday& operator-=(const days& d) NOEXCEPT; - - CONSTCD11 explicit operator unsigned() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - - CONSTCD11 weekday_indexed operator[](unsigned index) const NOEXCEPT; - CONSTCD11 weekday_last operator[](last_spec) const NOEXCEPT; - -private: - static CONSTCD11 unsigned char weekday_from_days(int z) NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT; - -CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT; -CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT; -CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd); - -// weekday_indexed - -class weekday_indexed -{ - unsigned char wd_ : 4; - unsigned char index_ : 4; - -public: - CONSTCD11 weekday_indexed(const julian::weekday& wd, unsigned index) NOEXCEPT; - - CONSTCD11 julian::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi); - -// weekday_last - -class weekday_last -{ - julian::weekday wd_; - -public: - explicit CONSTCD11 weekday_last(const julian::weekday& wd) NOEXCEPT; - - CONSTCD11 julian::weekday weekday() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl); - -// year_month - -class year_month -{ - julian::year y_; - julian::month m_; - -public: - CONSTCD11 year_month(const julian::year& y, const julian::month& m) NOEXCEPT; - - CONSTCD11 julian::year year() const NOEXCEPT; - CONSTCD11 julian::month month() const NOEXCEPT; - - CONSTCD14 year_month& operator+=(const months& dm) NOEXCEPT; - CONSTCD14 year_month& operator-=(const months& dm) NOEXCEPT; - CONSTCD14 year_month& operator+=(const years& dy) NOEXCEPT; - CONSTCD14 year_month& operator-=(const years& dy) NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month& x, const year_month& y) NOEXCEPT; - -CONSTCD14 year_month operator+(const year_month& ym, const months& dm) NOEXCEPT; -CONSTCD14 year_month operator+(const months& dm, const year_month& ym) NOEXCEPT; -CONSTCD14 year_month operator-(const year_month& ym, const months& dm) NOEXCEPT; - -CONSTCD11 months operator-(const year_month& x, const year_month& y) NOEXCEPT; -CONSTCD11 year_month operator+(const year_month& ym, const years& dy) NOEXCEPT; -CONSTCD11 year_month operator+(const years& dy, const year_month& ym) NOEXCEPT; -CONSTCD11 year_month operator-(const year_month& ym, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym); - -// month_day - -class month_day -{ - julian::month m_; - julian::day d_; - -public: - CONSTCD11 month_day(const julian::month& m, const julian::day& d) NOEXCEPT; - - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::day day() const NOEXCEPT; - - CONSTCD14 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day& x, const month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day& x, const month_day& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md); - -// month_day_last - -class month_day_last -{ - julian::month m_; - -public: - CONSTCD11 explicit month_day_last(const julian::month& m) NOEXCEPT; - - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator< (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator> (const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT; -CONSTCD11 bool operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl); - -// month_weekday - -class month_weekday -{ - julian::month m_; - julian::weekday_indexed wdi_; -public: - CONSTCD11 month_weekday(const julian::month& m, - const julian::weekday_indexed& wdi) NOEXCEPT; - - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT; -CONSTCD11 bool operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd); - -// month_weekday_last - -class month_weekday_last -{ - julian::month m_; - julian::weekday_last wdl_; - -public: - CONSTCD11 month_weekday_last(const julian::month& m, - const julian::weekday_last& wd) NOEXCEPT; - - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl); - -// class year_month_day - -class year_month_day -{ - julian::year y_; - julian::month m_; - julian::day d_; - -public: - CONSTCD11 year_month_day(const julian::year& y, const julian::month& m, - const julian::day& d) NOEXCEPT; - CONSTCD14 year_month_day(const year_month_day_last& ymdl) NOEXCEPT; - - CONSTCD14 year_month_day(sys_days dp) NOEXCEPT; - CONSTCD14 explicit year_month_day(local_days dp) NOEXCEPT; - - CONSTCD14 year_month_day& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 julian::year year() const NOEXCEPT; - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_day from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 bool operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator< (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator> (const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT; -CONSTCD11 bool operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT; - -CONSTCD14 year_month_day operator+(const year_month_day& ymd, const months& dm) NOEXCEPT; -CONSTCD14 year_month_day operator+(const months& dm, const year_month_day& ymd) NOEXCEPT; -CONSTCD14 year_month_day operator-(const year_month_day& ymd, const months& dm) NOEXCEPT; -CONSTCD11 year_month_day operator+(const year_month_day& ymd, const years& dy) NOEXCEPT; -CONSTCD11 year_month_day operator+(const years& dy, const year_month_day& ymd) NOEXCEPT; -CONSTCD11 year_month_day operator-(const year_month_day& ymd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd); - -// year_month_day_last - -class year_month_day_last -{ - julian::year y_; - julian::month_day_last mdl_; - -public: - CONSTCD11 year_month_day_last(const julian::year& y, - const julian::month_day_last& mdl) NOEXCEPT; - - CONSTCD14 year_month_day_last& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_day_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_day_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 julian::year year() const NOEXCEPT; - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::month_day_last month_day_last() const NOEXCEPT; - CONSTCD14 julian::day day() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator< (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator> (const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; -CONSTCD11 - bool operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT; - -CONSTCD14 -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl); - -// year_month_weekday - -class year_month_weekday -{ - julian::year y_; - julian::month m_; - julian::weekday_indexed wdi_; - -public: - CONSTCD11 year_month_weekday(const julian::year& y, const julian::month& m, - const julian::weekday_indexed& wdi) NOEXCEPT; - CONSTCD14 year_month_weekday(const sys_days& dp) NOEXCEPT; - CONSTCD14 explicit year_month_weekday(const local_days& dp) NOEXCEPT; - - CONSTCD14 year_month_weekday& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 julian::year year() const NOEXCEPT; - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::weekday weekday() const NOEXCEPT; - CONSTCD11 unsigned index() const NOEXCEPT; - CONSTCD11 julian::weekday_indexed weekday_indexed() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD14 bool ok() const NOEXCEPT; - -private: - static CONSTCD14 year_month_weekday from_days(days dp) NOEXCEPT; - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 - bool operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; -CONSTCD11 - bool operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT; - -CONSTCD14 -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi); - -// year_month_weekday_last - -class year_month_weekday_last -{ - julian::year y_; - julian::month m_; - julian::weekday_last wdl_; - -public: - CONSTCD11 year_month_weekday_last(const julian::year& y, const julian::month& m, - const julian::weekday_last& wdl) NOEXCEPT; - - CONSTCD14 year_month_weekday_last& operator+=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator-=(const months& m) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator+=(const years& y) NOEXCEPT; - CONSTCD14 year_month_weekday_last& operator-=(const years& y) NOEXCEPT; - - CONSTCD11 julian::year year() const NOEXCEPT; - CONSTCD11 julian::month month() const NOEXCEPT; - CONSTCD11 julian::weekday weekday() const NOEXCEPT; - CONSTCD11 julian::weekday_last weekday_last() const NOEXCEPT; - - CONSTCD14 operator sys_days() const NOEXCEPT; - CONSTCD14 explicit operator local_days() const NOEXCEPT; - CONSTCD11 bool ok() const NOEXCEPT; - -private: - CONSTCD14 days to_days() const NOEXCEPT; -}; - -CONSTCD11 -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -CONSTCD11 -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT; - -CONSTCD14 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT; - -CONSTCD11 -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl); - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 julian::day operator "" _d(unsigned long long d) NOEXCEPT; -CONSTCD11 julian::year operator "" _y(unsigned long long y) NOEXCEPT; - -// CONSTDATA julian::month jan{1}; -// CONSTDATA julian::month feb{2}; -// CONSTDATA julian::month mar{3}; -// CONSTDATA julian::month apr{4}; -// CONSTDATA julian::month may{5}; -// CONSTDATA julian::month jun{6}; -// CONSTDATA julian::month jul{7}; -// CONSTDATA julian::month aug{8}; -// CONSTDATA julian::month sep{9}; -// CONSTDATA julian::month oct{10}; -// CONSTDATA julian::month nov{11}; -// CONSTDATA julian::month dec{12}; - -} // inline namespace literals -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -//----------------+ -// Implementation | -//----------------+ - -// day - -CONSTCD11 inline day::day(unsigned d) NOEXCEPT : d_(static_cast<unsigned char>(d)) {} -CONSTCD14 inline day& day::operator++() NOEXCEPT {++d_; return *this;} -CONSTCD14 inline day day::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline day& day::operator--() NOEXCEPT {--d_; return *this;} -CONSTCD14 inline day day::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline day& day::operator+=(const days& d) NOEXCEPT {*this = *this + d; return *this;} -CONSTCD14 inline day& day::operator-=(const days& d) NOEXCEPT {*this = *this - d; return *this;} -CONSTCD11 inline day::operator unsigned() const NOEXCEPT {return d_;} -CONSTCD11 inline bool day::ok() const NOEXCEPT {return 1 <= d_ && d_ <= 31;} - -CONSTCD11 -inline -bool -operator==(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const day& x, const day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const day& x, const day& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const day& x, const day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const day& x, const day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const day& x, const day& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -days -operator-(const day& x, const day& y) NOEXCEPT -{ - return days{static_cast<days::rep>(static_cast<unsigned>(x) - - static_cast<unsigned>(y))}; -} - -CONSTCD11 -inline -day -operator+(const day& x, const days& y) NOEXCEPT -{ - return day{static_cast<unsigned>(x) + static_cast<unsigned>(y.count())}; -} - -CONSTCD11 -inline -day -operator+(const days& x, const day& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -day -operator-(const day& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const day& d) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os.width(2); - os << static_cast<unsigned>(d); - return os; -} - -// month - -CONSTCD11 inline month::month(unsigned m) NOEXCEPT : m_(static_cast<decltype(m_)>(m)) {} -CONSTCD14 inline month& month::operator++() NOEXCEPT {if (++m_ == 13) m_ = 1; return *this;} -CONSTCD14 inline month month::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline month& month::operator--() NOEXCEPT {if (--m_ == 0) m_ = 12; return *this;} -CONSTCD14 inline month month::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -month& -month::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -month& -month::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD11 inline month::operator unsigned() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month::ok() const NOEXCEPT {return 1 <= m_ && m_ <= 12;} - -CONSTCD11 -inline -bool -operator==(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const month& x, const month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month& x, const month& y) NOEXCEPT -{ - return static_cast<unsigned>(x) < static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator>(const month& x, const month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month& x, const month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month& x, const month& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD14 -inline -months -operator-(const month& x, const month& y) NOEXCEPT -{ - auto const d = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return months(d <= 11 ? d : d + 12); -} - -CONSTCD14 -inline -month -operator+(const month& x, const months& y) NOEXCEPT -{ - auto const mu = static_cast<long long>(static_cast<unsigned>(x)) - 1 + y.count(); - auto const yr = (mu >= 0 ? mu : mu-11) / 12; - return month{static_cast<unsigned>(mu - yr * 12 + 1)}; -} - -CONSTCD14 -inline -month -operator+(const months& x, const month& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -month -operator-(const month& x, const months& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month& m) -{ - switch (static_cast<unsigned>(m)) - { - case 1: - os << "Jan"; - break; - case 2: - os << "Feb"; - break; - case 3: - os << "Mar"; - break; - case 4: - os << "Apr"; - break; - case 5: - os << "May"; - break; - case 6: - os << "Jun"; - break; - case 7: - os << "Jul"; - break; - case 8: - os << "Aug"; - break; - case 9: - os << "Sep"; - break; - case 10: - os << "Oct"; - break; - case 11: - os << "Nov"; - break; - case 12: - os << "Dec"; - break; - default: - os << static_cast<unsigned>(m) << " is not a valid month"; - break; - } - return os; -} - -// year - -CONSTCD11 inline year::year(int y) NOEXCEPT : y_(static_cast<decltype(y_)>(y)) {} -CONSTCD14 inline year& year::operator++() NOEXCEPT {++y_; return *this;} -CONSTCD14 inline year year::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline year& year::operator--() NOEXCEPT {--y_; return *this;} -CONSTCD14 inline year year::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} -CONSTCD14 inline year& year::operator+=(const years& y) NOEXCEPT {*this = *this + y; return *this;} -CONSTCD14 inline year& year::operator-=(const years& y) NOEXCEPT {*this = *this - y; return *this;} - -CONSTCD11 -inline -bool -year::is_leap() const NOEXCEPT -{ - return y_ % 4 == 0; -} - -CONSTCD11 inline year::operator int() const NOEXCEPT {return y_;} -CONSTCD11 inline bool year::ok() const NOEXCEPT {return true;} - -CONSTCD11 -inline -year -year::min() NOEXCEPT -{ - return year{std::numeric_limits<short>::min()}; -} - -CONSTCD11 -inline -year -year::max() NOEXCEPT -{ - return year{std::numeric_limits<short>::max()}; -} - -CONSTCD11 -inline -bool -operator==(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) == static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator!=(const year& x, const year& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year& x, const year& y) NOEXCEPT -{ - return static_cast<int>(x) < static_cast<int>(y); -} - -CONSTCD11 -inline -bool -operator>(const year& x, const year& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year& x, const year& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year& x, const year& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD11 -inline -years -operator-(const year& x, const year& y) NOEXCEPT -{ - return years{static_cast<int>(x) - static_cast<int>(y)}; -} - -CONSTCD11 -inline -year -operator+(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) + y.count()}; -} - -CONSTCD11 -inline -year -operator+(const years& x, const year& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD11 -inline -year -operator-(const year& x, const years& y) NOEXCEPT -{ - return year{static_cast<int>(x) - y.count()}; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year& y) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::internal); - os.width(4 + (y < year{0})); - os << static_cast<int>(y); - return os; -} - -// weekday - -CONSTCD11 -inline -unsigned char -weekday::weekday_from_days(int z) NOEXCEPT -{ - return static_cast<unsigned char>(static_cast<unsigned>( - z >= -4 ? (z+4) % 7 : (z+5) % 7 + 6)); -} - -CONSTCD11 -inline -weekday::weekday(unsigned wd) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(wd)) - {} - -CONSTCD11 -inline -weekday::weekday(const sys_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD11 -inline -weekday::weekday(const local_days& dp) NOEXCEPT - : wd_(weekday_from_days(dp.time_since_epoch().count())) - {} - -CONSTCD14 inline weekday& weekday::operator++() NOEXCEPT {if (++wd_ == 7) wd_ = 0; return *this;} -CONSTCD14 inline weekday weekday::operator++(int) NOEXCEPT {auto tmp(*this); ++(*this); return tmp;} -CONSTCD14 inline weekday& weekday::operator--() NOEXCEPT {if (wd_-- == 0) wd_ = 6; return *this;} -CONSTCD14 inline weekday weekday::operator--(int) NOEXCEPT {auto tmp(*this); --(*this); return tmp;} - -CONSTCD14 -inline -weekday& -weekday::operator+=(const days& d) NOEXCEPT -{ - *this = *this + d; - return *this; -} - -CONSTCD14 -inline -weekday& -weekday::operator-=(const days& d) NOEXCEPT -{ - *this = *this - d; - return *this; -} - -CONSTCD11 -inline -weekday::operator unsigned() const NOEXCEPT -{ - return static_cast<unsigned>(wd_); -} - -CONSTCD11 inline bool weekday::ok() const NOEXCEPT {return wd_ <= 6;} - -CONSTCD11 -inline -bool -operator==(const weekday& x, const weekday& y) NOEXCEPT -{ - return static_cast<unsigned>(x) == static_cast<unsigned>(y); -} - -CONSTCD11 -inline -bool -operator!=(const weekday& x, const weekday& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD14 -inline -days -operator-(const weekday& x, const weekday& y) NOEXCEPT -{ - auto const diff = static_cast<unsigned>(x) - static_cast<unsigned>(y); - return days{diff <= 6 ? diff : diff + 7}; -} - -CONSTCD14 -inline -weekday -operator+(const weekday& x, const days& y) NOEXCEPT -{ - auto const wdu = static_cast<long long>(static_cast<unsigned>(x)) + y.count(); - auto const wk = (wdu >= 0 ? wdu : wdu-6) / 7; - return weekday{static_cast<unsigned>(wdu - wk * 7)}; -} - -CONSTCD14 -inline -weekday -operator+(const days& x, const weekday& y) NOEXCEPT -{ - return y + x; -} - -CONSTCD14 -inline -weekday -operator-(const weekday& x, const days& y) NOEXCEPT -{ - return x + -y; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd) -{ - switch (static_cast<unsigned>(wd)) - { - case 0: - os << "Sun"; - break; - case 1: - os << "Mon"; - break; - case 2: - os << "Tue"; - break; - case 3: - os << "Wed"; - break; - case 4: - os << "Thu"; - break; - case 5: - os << "Fri"; - break; - case 6: - os << "Sat"; - break; - default: - os << static_cast<unsigned>(wd) << " is not a valid weekday"; - break; - } - return os; -} - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -inline namespace literals -{ - -CONSTCD11 -inline -julian::day -operator "" _d(unsigned long long d) NOEXCEPT -{ - return julian::day{static_cast<unsigned>(d)}; -} - -CONSTCD11 -inline -julian::year -operator "" _y(unsigned long long y) NOEXCEPT -{ - return julian::year(static_cast<int>(y)); -} -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -CONSTDATA julian::last_spec last{}; - -CONSTDATA julian::month jan{1}; -CONSTDATA julian::month feb{2}; -CONSTDATA julian::month mar{3}; -CONSTDATA julian::month apr{4}; -CONSTDATA julian::month may{5}; -CONSTDATA julian::month jun{6}; -CONSTDATA julian::month jul{7}; -CONSTDATA julian::month aug{8}; -CONSTDATA julian::month sep{9}; -CONSTDATA julian::month oct{10}; -CONSTDATA julian::month nov{11}; -CONSTDATA julian::month dec{12}; - -CONSTDATA julian::weekday sun{0u}; -CONSTDATA julian::weekday mon{1u}; -CONSTDATA julian::weekday tue{2u}; -CONSTDATA julian::weekday wed{3u}; -CONSTDATA julian::weekday thu{4u}; -CONSTDATA julian::weekday fri{5u}; -CONSTDATA julian::weekday sat{6u}; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -} // inline namespace literals -#endif - -// weekday_indexed - -CONSTCD11 -inline -weekday -weekday_indexed::weekday() const NOEXCEPT -{ - return julian::weekday{static_cast<unsigned>(wd_)}; -} - -CONSTCD11 inline unsigned weekday_indexed::index() const NOEXCEPT {return index_;} - -CONSTCD11 -inline -bool -weekday_indexed::ok() const NOEXCEPT -{ - return weekday().ok() && 1 <= index_ && index_ <= 5; -} - -CONSTCD11 -inline -weekday_indexed::weekday_indexed(const julian::weekday& wd, unsigned index) NOEXCEPT - : wd_(static_cast<decltype(wd_)>(static_cast<unsigned>(wd))) - , index_(static_cast<decltype(index_)>(index)) - {} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_indexed& wdi) -{ - return os << wdi.weekday() << '[' << wdi.index() << ']'; -} - -CONSTCD11 -inline -weekday_indexed -weekday::operator[](unsigned index) const NOEXCEPT -{ - return {*this, index}; -} - -CONSTCD11 -inline -bool -operator==(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return x.weekday() == y.weekday() && x.index() == y.index(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_indexed& x, const weekday_indexed& y) NOEXCEPT -{ - return !(x == y); -} - -// weekday_last - -CONSTCD11 inline julian::weekday weekday_last::weekday() const NOEXCEPT {return wd_;} -CONSTCD11 inline bool weekday_last::ok() const NOEXCEPT {return wd_.ok();} -CONSTCD11 inline weekday_last::weekday_last(const julian::weekday& wd) NOEXCEPT : wd_(wd) {} - -CONSTCD11 -inline -bool -operator==(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return x.weekday() == y.weekday(); -} - -CONSTCD11 -inline -bool -operator!=(const weekday_last& x, const weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const weekday_last& wdl) -{ - return os << wdl.weekday() << "[last]"; -} - -CONSTCD11 -inline -weekday_last -weekday::operator[](last_spec) const NOEXCEPT -{ - return weekday_last{*this}; -} - -// year_month - -CONSTCD11 -inline -year_month::year_month(const julian::year& y, const julian::month& m) NOEXCEPT - : y_(y) - , m_(m) - {} - -CONSTCD11 inline year year_month::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool year_month::ok() const NOEXCEPT {return y_.ok() && m_.ok();} - -CONSTCD14 -inline -year_month& -year_month::operator+=(const months& dm) NOEXCEPT -{ - *this = *this + dm; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator-=(const months& dm) NOEXCEPT -{ - *this = *this - dm; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator+=(const years& dy) NOEXCEPT -{ - *this = *this + dy; - return *this; -} - -CONSTCD14 -inline -year_month& -year_month::operator-=(const years& dy) NOEXCEPT -{ - *this = *this - dy; - return *this; -} - -CONSTCD11 -inline -bool -operator==(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month& x, const year_month& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month())); -} - -CONSTCD11 -inline -bool -operator>(const year_month& x, const year_month& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month& x, const year_month& y) NOEXCEPT -{ - return !(x < y); -} - -CONSTCD14 -inline -year_month -operator+(const year_month& ym, const months& dm) NOEXCEPT -{ - auto dmi = static_cast<int>(static_cast<unsigned>(ym.month())) - 1 + dm.count(); - auto dy = (dmi >= 0 ? dmi : dmi-11) / 12; - dmi = dmi - dy * 12 + 1; - return (ym.year() + years(dy)) / month(static_cast<unsigned>(dmi)); -} - -CONSTCD14 -inline -year_month -operator+(const months& dm, const year_month& ym) NOEXCEPT -{ - return ym + dm; -} - -CONSTCD14 -inline -year_month -operator-(const year_month& ym, const months& dm) NOEXCEPT -{ - return ym + -dm; -} - -CONSTCD11 -inline -months -operator-(const year_month& x, const year_month& y) NOEXCEPT -{ - return (x.year() - y.year()) + - months(static_cast<unsigned>(x.month()) - static_cast<unsigned>(y.month())); -} - -CONSTCD11 -inline -year_month -operator+(const year_month& ym, const years& dy) NOEXCEPT -{ - return (ym.year() + dy) / ym.month(); -} - -CONSTCD11 -inline -year_month -operator+(const years& dy, const year_month& ym) NOEXCEPT -{ - return ym + dy; -} - -CONSTCD11 -inline -year_month -operator-(const year_month& ym, const years& dy) NOEXCEPT -{ - return ym + -dy; -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month& ym) -{ - return os << ym.year() << '/' << ym.month(); -} - -// month_day - -CONSTCD11 -inline -month_day::month_day(const julian::month& m, const julian::day& d) NOEXCEPT - : m_(m) - , d_(d) - {} - -CONSTCD11 inline julian::month month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline julian::day month_day::day() const NOEXCEPT {return d_;} - -CONSTCD14 -inline -bool -month_day::ok() const NOEXCEPT -{ - CONSTDATA julian::day d[] = - {31_d, 29_d, 31_d, 30_d, 31_d, 30_d, 31_d, 31_d, 30_d, 31_d, 30_d, 31_d}; - return m_.ok() && 1_d <= d_ && d_ <= d[static_cast<unsigned>(m_)-1]; -} - -CONSTCD11 -inline -bool -operator==(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day& x, const month_day& y) NOEXCEPT -{ - return x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())); -} - -CONSTCD11 -inline -bool -operator>(const month_day& x, const month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day& x, const month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day& md) -{ - return os << md.month() << '/' << md.day(); -} - -// month_day_last - -CONSTCD11 inline month month_day_last::month() const NOEXCEPT {return m_;} -CONSTCD11 inline bool month_day_last::ok() const NOEXCEPT {return m_.ok();} -CONSTCD11 inline month_day_last::month_day_last(const julian::month& m) NOEXCEPT : m_(m) {} - -CONSTCD11 -inline -bool -operator==(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() == y.month(); -} - -CONSTCD11 -inline -bool -operator!=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return x.month() < y.month(); -} - -CONSTCD11 -inline -bool -operator>(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const month_day_last& x, const month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_day_last& mdl) -{ - return os << mdl.month() << "/last"; -} - -// month_weekday - -CONSTCD11 -inline -month_weekday::month_weekday(const julian::month& m, - const julian::weekday_indexed& wdi) NOEXCEPT - : m_(m) - , wdi_(wdi) - {} - -CONSTCD11 inline month month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_indexed -month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD11 -inline -bool -month_weekday::ok() const NOEXCEPT -{ - return m_.ok() && wdi_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday& x, const month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday& mwd) -{ - return os << mwd.month() << '/' << mwd.weekday_indexed(); -} - -// month_weekday_last - -CONSTCD11 -inline -month_weekday_last::month_weekday_last(const julian::month& m, - const julian::weekday_last& wdl) NOEXCEPT - : m_(m) - , wdl_(wdl) - {} - -CONSTCD11 inline month month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday_last -month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD11 -inline -bool -month_weekday_last::ok() const NOEXCEPT -{ - return m_.ok() && wdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return x.month() == y.month() && x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const month_weekday_last& x, const month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const month_weekday_last& mwdl) -{ - return os << mwdl.month() << '/' << mwdl.weekday_last(); -} - -// year_month_day_last - -CONSTCD11 -inline -year_month_day_last::year_month_day_last(const julian::year& y, - const julian::month_day_last& mdl) NOEXCEPT - : y_(y) - , mdl_(mdl) - {} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day_last& -year_month_day_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_day_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day_last::month() const NOEXCEPT {return mdl_.month();} - -CONSTCD11 -inline -month_day_last -year_month_day_last::month_day_last() const NOEXCEPT -{ - return mdl_; -} - -CONSTCD14 -inline -day -year_month_day_last::day() const NOEXCEPT -{ - CONSTDATA julian::day d[] = - {31_d, 28_d, 31_d, 30_d, 31_d, 30_d, 31_d, 31_d, 30_d, 31_d, 30_d, 31_d}; - return month() != feb || !y_.is_leap() ? d[static_cast<unsigned>(month())-1] : 29_d; -} - -CONSTCD14 -inline -year_month_day_last::operator sys_days() const NOEXCEPT -{ - return sys_days(year()/month()/day()); -} - -CONSTCD14 -inline -year_month_day_last::operator local_days() const NOEXCEPT -{ - return local_days(year()/month()/day()); -} - -CONSTCD11 -inline -bool -year_month_day_last::ok() const NOEXCEPT -{ - return y_.ok() && mdl_.ok(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month_day_last() == y.month_day_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month_day_last() < y.month_day_last())); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day_last& x, const year_month_day_last& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day_last& ymdl) -{ - return os << ymdl.year() << '/' << ymdl.month_day_last(); -} - -CONSTCD14 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return (ymdl.year() / ymdl.month() + dm) / last; -} - -CONSTCD14 -inline -year_month_day_last -operator+(const months& dm, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dm; -} - -CONSTCD14 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const months& dm) NOEXCEPT -{ - return ymdl + (-dm); -} - -CONSTCD11 -inline -year_month_day_last -operator+(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return {ymdl.year()+dy, ymdl.month_day_last()}; -} - -CONSTCD11 -inline -year_month_day_last -operator+(const years& dy, const year_month_day_last& ymdl) NOEXCEPT -{ - return ymdl + dy; -} - -CONSTCD11 -inline -year_month_day_last -operator-(const year_month_day_last& ymdl, const years& dy) NOEXCEPT -{ - return ymdl + (-dy); -} - -// year_month_day - -CONSTCD11 -inline -year_month_day::year_month_day(const julian::year& y, const julian::month& m, - const julian::day& d) NOEXCEPT - : y_(y) - , m_(m) - , d_(d) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(const year_month_day_last& ymdl) NOEXCEPT - : y_(ymdl.year()) - , m_(ymdl.month()) - , d_(ymdl.day()) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(sys_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_day::year_month_day(local_days dp) NOEXCEPT - : year_month_day(from_days(dp.time_since_epoch())) - {} - -CONSTCD11 inline year year_month_day::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_day::month() const NOEXCEPT {return m_;} -CONSTCD11 inline day year_month_day::day() const NOEXCEPT {return d_;} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_day& -year_month_day::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD14 -inline -days -year_month_day::to_days() const NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const y = static_cast<int>(y_) - (m_ <= feb); - auto const m = static_cast<unsigned>(m_); - auto const d = static_cast<unsigned>(d_); - auto const era = (y >= 0 ? y : y-3) / 4; - auto const yoe = static_cast<unsigned>(y - era * 4); // [0, 3] - auto const doy = (153*(m > 2 ? m-3 : m+9) + 2)/5 + d-1; // [0, 365] - auto const doe = yoe * 365 + doy; // [0, 1460] - return days{era * 1461 + static_cast<int>(doe) - 719470}; -} - -CONSTCD14 -inline -year_month_day::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_day::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_day::ok() const NOEXCEPT -{ - if (!(y_.ok() && m_.ok())) - return false; - return 1_d <= d_ && d_ <= (y_/m_/last).day(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && x.day() == y.day(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x == y); -} - -CONSTCD11 -inline -bool -operator<(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return x.year() < y.year() ? true - : (x.year() > y.year() ? false - : (x.month() < y.month() ? true - : (x.month() > y.month() ? false - : (x.day() < y.day())))); -} - -CONSTCD11 -inline -bool -operator>(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return y < x; -} - -CONSTCD11 -inline -bool -operator<=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(y < x); -} - -CONSTCD11 -inline -bool -operator>=(const year_month_day& x, const year_month_day& y) NOEXCEPT -{ - return !(x < y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_day& ymd) -{ - date::detail::save_ostream<CharT, Traits> _(os); - os.fill('0'); - os.flags(std::ios::dec | std::ios::right); - os << ymd.year() << '-'; - os.width(2); - os << static_cast<unsigned>(ymd.month()) << '-'; - os << ymd.day(); - return os; -} - -CONSTCD14 -inline -year_month_day -year_month_day::from_days(days dp) NOEXCEPT -{ - static_assert(std::numeric_limits<unsigned>::digits >= 18, - "This algorithm has not been ported to a 16 bit unsigned integer"); - static_assert(std::numeric_limits<int>::digits >= 20, - "This algorithm has not been ported to a 16 bit signed integer"); - auto const z = dp.count() + 719470; - auto const era = (z >= 0 ? z : z - 1460) / 1461; - auto const doe = static_cast<unsigned>(z - era * 1461); // [0, 1460] - auto const yoe = (doe - doe/1460) / 365; // [0, 3] - auto const y = static_cast<sys_days::rep>(yoe) + era * 4; - auto const doy = doe - 365*yoe; // [0, 365] - auto const mp = (5*doy + 2)/153; // [0, 11] - auto const d = doy - (153*mp+2)/5 + 1; // [1, 31] - auto const m = mp < 10 ? mp+3 : mp-9; // [1, 12] - return year_month_day{julian::year{y + (m <= 2)}, julian::month(m), julian::day(d)}; -} - -CONSTCD14 -inline -year_month_day -operator+(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return (ymd.year() / ymd.month() + dm) / ymd.day(); -} - -CONSTCD14 -inline -year_month_day -operator+(const months& dm, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dm; -} - -CONSTCD14 -inline -year_month_day -operator-(const year_month_day& ymd, const months& dm) NOEXCEPT -{ - return ymd + (-dm); -} - -CONSTCD11 -inline -year_month_day -operator+(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return (ymd.year() + dy) / ymd.month() / ymd.day(); -} - -CONSTCD11 -inline -year_month_day -operator+(const years& dy, const year_month_day& ymd) NOEXCEPT -{ - return ymd + dy; -} - -CONSTCD11 -inline -year_month_day -operator-(const year_month_day& ymd, const years& dy) NOEXCEPT -{ - return ymd + (-dy); -} - -// year_month_weekday - -CONSTCD11 -inline -year_month_weekday::year_month_weekday(const julian::year& y, const julian::month& m, - const julian::weekday_indexed& wdi) - NOEXCEPT - : y_(y) - , m_(m) - , wdi_(wdi) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const sys_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_weekday::year_month_weekday(const local_days& dp) NOEXCEPT - : year_month_weekday(from_days(dp.time_since_epoch())) - {} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday& -year_month_weekday::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday::weekday() const NOEXCEPT -{ - return wdi_.weekday(); -} - -CONSTCD11 -inline -unsigned -year_month_weekday::index() const NOEXCEPT -{ - return wdi_.index(); -} - -CONSTCD11 -inline -weekday_indexed -year_month_weekday::weekday_indexed() const NOEXCEPT -{ - return wdi_; -} - -CONSTCD14 -inline -year_month_weekday::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD14 -inline -bool -year_month_weekday::ok() const NOEXCEPT -{ - if (!y_.ok() || !m_.ok() || !wdi_.weekday().ok() || wdi_.index() < 1) - return false; - if (wdi_.index() <= 4) - return true; - auto d2 = wdi_.weekday() - julian::weekday(y_/m_/1) + days((wdi_.index()-1)*7 + 1); - return static_cast<unsigned>(d2.count()) <= static_cast<unsigned>((y_/m_/last).day()); -} - -CONSTCD14 -inline -year_month_weekday -year_month_weekday::from_days(days d) NOEXCEPT -{ - sys_days dp{d}; - auto const wd = julian::weekday(dp); - auto const ymd = year_month_day(dp); - return {ymd.year(), ymd.month(), wd[(static_cast<unsigned>(ymd.day())-1)/7+1]}; -} - -CONSTCD14 -inline -days -year_month_weekday::to_days() const NOEXCEPT -{ - auto d = sys_days(y_/m_/1); - return (d + (wdi_.weekday() - julian::weekday(d) + days{(wdi_.index()-1)*7}) - ).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_indexed() == y.weekday_indexed(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday& x, const year_month_weekday& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday& ymwdi) -{ - return os << ymwdi.year() << '/' << ymwdi.month() - << '/' << ymwdi.weekday_indexed(); -} - -CONSTCD14 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return (ymwd.year() / ymwd.month() + dm) / ymwd.weekday_indexed(); -} - -CONSTCD14 -inline -year_month_weekday -operator+(const months& dm, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dm; -} - -CONSTCD14 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const months& dm) NOEXCEPT -{ - return ymwd + (-dm); -} - -CONSTCD11 -inline -year_month_weekday -operator+(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return {ymwd.year()+dy, ymwd.month(), ymwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator+(const years& dy, const year_month_weekday& ymwd) NOEXCEPT -{ - return ymwd + dy; -} - -CONSTCD11 -inline -year_month_weekday -operator-(const year_month_weekday& ymwd, const years& dy) NOEXCEPT -{ - return ymwd + (-dy); -} - -// year_month_weekday_last - -CONSTCD11 -inline -year_month_weekday_last::year_month_weekday_last(const julian::year& y, - const julian::month& m, - const julian::weekday_last& wdl) NOEXCEPT - : y_(y) - , m_(m) - , wdl_(wdl) - {} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const months& m) NOEXCEPT -{ - *this = *this + m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const months& m) NOEXCEPT -{ - *this = *this - m; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator+=(const years& y) NOEXCEPT -{ - *this = *this + y; - return *this; -} - -CONSTCD14 -inline -year_month_weekday_last& -year_month_weekday_last::operator-=(const years& y) NOEXCEPT -{ - *this = *this - y; - return *this; -} - -CONSTCD11 inline year year_month_weekday_last::year() const NOEXCEPT {return y_;} -CONSTCD11 inline month year_month_weekday_last::month() const NOEXCEPT {return m_;} - -CONSTCD11 -inline -weekday -year_month_weekday_last::weekday() const NOEXCEPT -{ - return wdl_.weekday(); -} - -CONSTCD11 -inline -weekday_last -year_month_weekday_last::weekday_last() const NOEXCEPT -{ - return wdl_; -} - -CONSTCD14 -inline -year_month_weekday_last::operator sys_days() const NOEXCEPT -{ - return sys_days{to_days()}; -} - -CONSTCD14 -inline -year_month_weekday_last::operator local_days() const NOEXCEPT -{ - return local_days{to_days()}; -} - -CONSTCD11 -inline -bool -year_month_weekday_last::ok() const NOEXCEPT -{ - return y_.ok() && m_.ok() && wdl_.ok(); -} - -CONSTCD14 -inline -days -year_month_weekday_last::to_days() const NOEXCEPT -{ - auto const d = sys_days(y_/m_/last); - return (d - (julian::weekday{d} - wdl_.weekday())).time_since_epoch(); -} - -CONSTCD11 -inline -bool -operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return x.year() == y.year() && x.month() == y.month() && - x.weekday_last() == y.weekday_last(); -} - -CONSTCD11 -inline -bool -operator!=(const year_month_weekday_last& x, const year_month_weekday_last& y) NOEXCEPT -{ - return !(x == y); -} - -template<class CharT, class Traits> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const year_month_weekday_last& ymwdl) -{ - return os << ymwdl.year() << '/' << ymwdl.month() << '/' << ymwdl.weekday_last(); -} - -CONSTCD14 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return (ymwdl.year() / ymwdl.month() + dm) / ymwdl.weekday_last(); -} - -CONSTCD14 -inline -year_month_weekday_last -operator+(const months& dm, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dm; -} - -CONSTCD14 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const months& dm) NOEXCEPT -{ - return ymwdl + (-dm); -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return {ymwdl.year()+dy, ymwdl.month(), ymwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator+(const years& dy, const year_month_weekday_last& ymwdl) NOEXCEPT -{ - return ymwdl + dy; -} - -CONSTCD11 -inline -year_month_weekday_last -operator-(const year_month_weekday_last& ymwdl, const years& dy) NOEXCEPT -{ - return ymwdl + (-dy); -} - -// year_month from operator/() - -CONSTCD11 -inline -year_month -operator/(const year& y, const month& m) NOEXCEPT -{ - return {y, m}; -} - -CONSTCD11 -inline -year_month -operator/(const year& y, int m) NOEXCEPT -{ - return y / month(static_cast<unsigned>(m)); -} - -// month_day from operator/() - -CONSTCD11 -inline -month_day -operator/(const month& m, const day& d) NOEXCEPT -{ - return {m, d}; -} - -CONSTCD11 -inline -month_day -operator/(const day& d, const month& m) NOEXCEPT -{ - return m / d; -} - -CONSTCD11 -inline -month_day -operator/(const month& m, int d) NOEXCEPT -{ - return m / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -month_day -operator/(int m, const day& d) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / d; -} - -CONSTCD11 inline month_day operator/(const day& d, int m) NOEXCEPT {return m / d;} - -// month_day_last from operator/() - -CONSTCD11 -inline -month_day_last -operator/(const month& m, last_spec) NOEXCEPT -{ - return month_day_last{m}; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, const month& m) NOEXCEPT -{ - return m/last; -} - -CONSTCD11 -inline -month_day_last -operator/(int m, last_spec) NOEXCEPT -{ - return month(static_cast<unsigned>(m))/last; -} - -CONSTCD11 -inline -month_day_last -operator/(last_spec, int m) NOEXCEPT -{ - return m/last; -} - -// month_weekday from operator/() - -CONSTCD11 -inline -month_weekday -operator/(const month& m, const weekday_indexed& wdi) NOEXCEPT -{ - return {m, wdi}; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, const month& m) NOEXCEPT -{ - return m / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(int m, const weekday_indexed& wdi) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdi; -} - -CONSTCD11 -inline -month_weekday -operator/(const weekday_indexed& wdi, int m) NOEXCEPT -{ - return m / wdi; -} - -// month_weekday_last from operator/() - -CONSTCD11 -inline -month_weekday_last -operator/(const month& m, const weekday_last& wdl) NOEXCEPT -{ - return {m, wdl}; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, const month& m) NOEXCEPT -{ - return m / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(int m, const weekday_last& wdl) NOEXCEPT -{ - return month(static_cast<unsigned>(m)) / wdl; -} - -CONSTCD11 -inline -month_weekday_last -operator/(const weekday_last& wdl, int m) NOEXCEPT -{ - return m / wdl; -} - -// year_month_day from operator/() - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, const day& d) NOEXCEPT -{ - return {ym.year(), ym.month(), d}; -} - -CONSTCD11 -inline -year_month_day -operator/(const year_month& ym, int d) NOEXCEPT -{ - return ym / day(static_cast<unsigned>(d)); -} - -CONSTCD11 -inline -year_month_day -operator/(const year& y, const month_day& md) NOEXCEPT -{ - return y / md.month() / md.day(); -} - -CONSTCD11 -inline -year_month_day -operator/(int y, const month_day& md) NOEXCEPT -{ - return year(y) / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, const year& y) NOEXCEPT -{ - return y / md; -} - -CONSTCD11 -inline -year_month_day -operator/(const month_day& md, int y) NOEXCEPT -{ - return year(y) / md; -} - -// year_month_day_last from operator/() - -CONSTCD11 -inline -year_month_day_last -operator/(const year_month& ym, last_spec) NOEXCEPT -{ - return {ym.year(), month_day_last{ym.month()}}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const year& y, const month_day_last& mdl) NOEXCEPT -{ - return {y, mdl}; -} - -CONSTCD11 -inline -year_month_day_last -operator/(int y, const month_day_last& mdl) NOEXCEPT -{ - return year(y) / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, const year& y) NOEXCEPT -{ - return y / mdl; -} - -CONSTCD11 -inline -year_month_day_last -operator/(const month_day_last& mdl, int y) NOEXCEPT -{ - return year(y) / mdl; -} - -// year_month_weekday from operator/() - -CONSTCD11 -inline -year_month_weekday -operator/(const year_month& ym, const weekday_indexed& wdi) NOEXCEPT -{ - return {ym.year(), ym.month(), wdi}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const year& y, const month_weekday& mwd) NOEXCEPT -{ - return {y, mwd.month(), mwd.weekday_indexed()}; -} - -CONSTCD11 -inline -year_month_weekday -operator/(int y, const month_weekday& mwd) NOEXCEPT -{ - return year(y) / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, const year& y) NOEXCEPT -{ - return y / mwd; -} - -CONSTCD11 -inline -year_month_weekday -operator/(const month_weekday& mwd, int y) NOEXCEPT -{ - return year(y) / mwd; -} - -// year_month_weekday_last from operator/() - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year_month& ym, const weekday_last& wdl) NOEXCEPT -{ - return {ym.year(), ym.month(), wdl}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const year& y, const month_weekday_last& mwdl) NOEXCEPT -{ - return {y, mwdl.month(), mwdl.weekday_last()}; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(int y, const month_weekday_last& mwdl) NOEXCEPT -{ - return year(y) / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, const year& y) NOEXCEPT -{ - return y / mwdl; -} - -CONSTCD11 -inline -year_month_weekday_last -operator/(const month_weekday_last& mwdl, int y) NOEXCEPT -{ - return year(y) / mwdl; -} - -} // namespace julian - -#endif // JULIAN_H diff --git a/src/libs/date/includes/date/ptz.h b/src/libs/date/includes/date/ptz.h deleted file mode 100644 index 6ff1ab9b..00000000 --- a/src/libs/date/includes/date/ptz.h +++ /dev/null @@ -1,627 +0,0 @@ -#ifndef PTZ_H -#define PTZ_H - -// The MIT License (MIT) -// -// Copyright (c) 2017 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. - -// This header allows Posix-style time zones as specified for TZ here: -// http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03 -// -// Posix::time_zone can be constructed with a posix-style string and then used in -// a zoned_time like so: -// -// zoned_time<system_clock::duration, Posix::time_zone> zt{"EST5EDT,M3.2.0,M11.1.0", -// system_clock::now()}; -// or: -// -// Posix::time_zone tz{"EST5EDT,M3.2.0,M11.1.0"}; -// zoned_time<system_clock::duration, Posix::time_zone> zt{tz, system_clock::now()}; -// -// Note, Posix-style time zones are not recommended for all of the reasons described here: -// https://stackoverflow.com/tags/timezone/info -// -// They are provided here as a non-trivial custom time zone example, and if you really -// have to have Posix time zones, you're welcome to use this one. - -#include "date/tz.h" -#include <cctype> -#include <ostream> -#include <string> - -namespace Posix -{ - -namespace detail -{ - -#if HAS_STRING_VIEW - -using string_t = std::string_view; - -#else // !HAS_STRING_VIEW - -using string_t = std::string; - -#endif // !HAS_STRING_VIEW - -class rule; - -void throw_invalid(const string_t& s, unsigned i, const string_t& message); -unsigned read_date(const string_t& s, unsigned i, rule& r); -unsigned read_name(const string_t& s, unsigned i, std::string& name); -unsigned read_signed_time(const string_t& s, unsigned i, std::chrono::seconds& t); -unsigned read_unsigned_time(const string_t& s, unsigned i, std::chrono::seconds& t); -unsigned read_unsigned(const string_t& s, unsigned i, unsigned limit, unsigned& u); - -class rule -{ - enum {off, J, M, N}; - - date::month m_; - date::weekday wd_; - unsigned short n_ : 14; - unsigned short mode_ : 2; - std::chrono::duration<std::int32_t> time_ = std::chrono::hours{2}; - -public: - rule() : mode_(off) {} - - bool ok() const {return mode_ != off;} - date::local_seconds operator()(date::year y) const; - - friend std::ostream& operator<<(std::ostream& os, const rule& r); - friend unsigned read_date(const string_t& s, unsigned i, rule& r); -}; - -inline -date::local_seconds -rule::operator()(date::year y) const -{ - using date::local_days; - using date::January; - using date::days; - using date::last; - using sec = std::chrono::seconds; - date::local_seconds t; - switch (mode_) - { - case J: - t = local_days{y/January/0} + days{n_ + (y.is_leap() && n_ > 59)} + sec{time_}; - break; - case M: - t = (n_ == 5 ? local_days{y/m_/wd_[last]} : local_days{y/m_/wd_[n_]}) + sec{time_}; - break; - case N: - t = local_days{y/January/1} + days{n_} + sec{time_}; - break; - default: - assert(!"rule called with bad mode"); - } - return t; -} - -inline -std::ostream& -operator<<(std::ostream& os, const rule& r) -{ - switch (r.mode_) - { - case rule::J: - os << 'J' << r.n_ << date::format(" %T", r.time_); - break; - case rule::M: - if (r.n_ == 5) - os << r.m_/r.wd_[date::last]; - else - os << r.m_/r.wd_[r.n_]; - os << date::format(" %T", r.time_); - break; - case rule::N: - os << r.n_ << date::format(" %T", r.time_); - break; - default: - break; - } - return os; -} - -} // namespace detail - -class time_zone -{ - std::string std_abbrev_; - std::string dst_abbrev_ = {}; - std::chrono::seconds offset_; - std::chrono::seconds save_ = std::chrono::hours{1}; - detail::rule start_rule_; - detail::rule end_rule_; - -public: - explicit time_zone(const detail::string_t& name); - - template <class Duration> - date::sys_info get_info(date::sys_time<Duration> st) const; - template <class Duration> - date::local_info get_info(date::local_time<Duration> tp) const; - - template <class Duration> - date::sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys(date::local_time<Duration> tp) const; - - template <class Duration> - date::sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys(date::local_time<Duration> tp, date::choose z) const; - - template <class Duration> - date::local_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_local(date::sys_time<Duration> tp) const; - - friend std::ostream& operator<<(std::ostream& os, const time_zone& z); - - const time_zone* operator->() const {return this;} -}; - -inline -time_zone::time_zone(const detail::string_t& s) -{ - using detail::read_name; - using detail::read_signed_time; - using detail::throw_invalid; - auto i = read_name(s, 0, std_abbrev_); - i = read_signed_time(s, i, offset_); - offset_ = -offset_; - if (i != s.size()) - { - i = read_name(s, i, dst_abbrev_); - if (i != s.size()) - { - if (s[i] != ',') - i = read_signed_time(s, i, save_); - if (i != s.size()) - { - if (s[i] != ',') - throw_invalid(s, i, "Expecting end of string or ',' to start rule"); - ++i; - i = read_date(s, i, start_rule_); - if (i == s.size() || s[i] != ',') - throw_invalid(s, i, "Expecting ',' and then the ending rule"); - ++i; - i = read_date(s, i, end_rule_); - if (i != s.size()) - throw_invalid(s, i, "Found unexpected trailing characters"); - } - } - } -} - -template <class Duration> -date::sys_info -time_zone::get_info(date::sys_time<Duration> st) const -{ - using date::sys_info; - using date::year_month_day; - using date::sys_seconds; - using date::sys_days; - using date::floor; - using date::ceil; - using date::days; - using date::years; - using date::year; - using date::January; - using date::December; - using date::last; - using std::chrono::minutes; - sys_info r{}; - r.offset = offset_; - if (start_rule_.ok()) - { - auto y = year_month_day{floor<days>(st)}.year(); - auto start = sys_seconds{(start_rule_(y) - offset_).time_since_epoch()}; - auto end = sys_seconds{(end_rule_(y) - (offset_ + save_)).time_since_epoch()}; - if (start <= st && st < end) - { - r.begin = start; - r.end = end; - r.offset += save_; - r.save = ceil<minutes>(save_); - r.abbrev = dst_abbrev_; - } - else if (st < start) - { - r.begin = sys_seconds{(end_rule_(y-years{1}) - - (offset_ + save_)).time_since_epoch()}; - r.end = start; - r.abbrev = std_abbrev_; - } - else // st >= end - { - r.begin = end; - r.end = sys_seconds{(start_rule_(y+years{1}) - offset_).time_since_epoch()}; - r.abbrev = std_abbrev_; - } - } - else // constant offset - { - r.begin = sys_days{year::min()/January/1}; - r.end = sys_days{year::max()/December/last}; - r.abbrev = std_abbrev_; - } - return r; -} - -template <class Duration> -date::local_info -time_zone::get_info(date::local_time<Duration> tp) const -{ - using date::local_info; - using date::year_month_day; - using date::days; - using date::sys_days; - using date::sys_seconds; - using date::years; - using date::year; - using date::ceil; - using date::January; - using date::December; - using date::last; - using std::chrono::seconds; - using std::chrono::minutes; - local_info r{}; - using date::floor; - if (start_rule_.ok()) - { - auto y = year_month_day{floor<days>(tp)}.year(); - auto start = sys_seconds{(start_rule_(y) - offset_).time_since_epoch()}; - auto end = sys_seconds{(end_rule_(y) - (offset_ + save_)).time_since_epoch()}; - auto utcs = sys_seconds{floor<seconds>(tp - offset_).time_since_epoch()}; - auto utcd = sys_seconds{floor<seconds>(tp - (offset_ + save_)).time_since_epoch()}; - if ((utcs < start) != (utcd < start)) - { - r.first.begin = sys_seconds{(end_rule_(y-years{1}) - - (offset_ + save_)).time_since_epoch()}; - r.first.end = start; - r.first.offset = offset_; - r.first.abbrev = std_abbrev_; - r.second.begin = start; - r.second.end = end; - r.second.abbrev = dst_abbrev_; - r.second.offset = offset_ + save_; - r.second.save = ceil<minutes>(save_); - r.result = save_ > seconds{0} ? local_info::nonexistent - : local_info::ambiguous; - } - else if ((utcs < end) != (utcd < end)) - { - r.first.begin = start; - r.first.end = end; - r.first.offset = offset_ + save_; - r.first.save = ceil<minutes>(save_); - r.first.abbrev = dst_abbrev_; - r.second.begin = end; - r.second.end = sys_seconds{(start_rule_(y+years{1}) - - offset_).time_since_epoch()}; - r.second.abbrev = std_abbrev_; - r.second.offset = offset_; - r.result = save_ > seconds{0} ? local_info::ambiguous - : local_info::nonexistent; - } - else if (utcs < start) - { - r.first.begin = sys_seconds{(end_rule_(y-years{1}) - - (offset_ + save_)).time_since_epoch()}; - r.first.end = start; - r.first.offset = offset_; - r.first.abbrev = std_abbrev_; - } - else if (utcs < end) - { - r.first.begin = start; - r.first.end = end; - r.first.offset = offset_ + save_; - r.first.save = ceil<minutes>(save_); - r.first.abbrev = dst_abbrev_; - } - else - { - r.first.begin = end; - r.first.end = sys_seconds{(start_rule_(y+years{1}) - - offset_).time_since_epoch()}; - r.first.abbrev = std_abbrev_; - r.first.offset = offset_; - } - } - else // constant offset - { - r.first.begin = sys_days{year::min()/January/1}; - r.first.end = sys_days{year::max()/December/last}; - r.first.abbrev = std_abbrev_; - r.first.offset = offset_; - } - return r; -} - -template <class Duration> -date::sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys(date::local_time<Duration> tp) const -{ - using date::local_info; - using date::sys_time; - using date::ambiguous_local_time; - auto i = get_info(tp); - if (i.result == local_info::nonexistent) - throw nonexistent_local_time(tp, i); - else if (i.result == local_info::ambiguous) - throw ambiguous_local_time(tp, i); - return sys_time<Duration>{tp.time_since_epoch()} - i.first.offset; -} - -template <class Duration> -date::sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys(date::local_time<Duration> tp, date::choose z) const -{ - using date::local_info; - using date::sys_time; - using date::choose; - auto i = get_info(tp); - if (i.result == local_info::nonexistent) - { - return i.first.end; - } - else if (i.result == local_info::ambiguous) - { - if (z == choose::latest) - return sys_time<Duration>{tp.time_since_epoch()} - i.second.offset; - } - return sys_time<Duration>{tp.time_since_epoch()} - i.first.offset; -} - -template <class Duration> -date::local_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_local(date::sys_time<Duration> tp) const -{ - using date::local_time; - using std::chrono::seconds; - using LT = local_time<typename std::common_type<Duration, seconds>::type>; - auto i = get_info(tp); - return LT{(tp + i.offset).time_since_epoch()}; -} - -inline -std::ostream& -operator<<(std::ostream& os, const time_zone& z) -{ - using date::operator<<; - os << '{'; - os << z.std_abbrev_ << ", " << z.dst_abbrev_ << date::format(", %T, ", z.offset_) - << date::format("%T, [", z.save_) << z.start_rule_ << ", " << z.end_rule_ << ")}"; - return os; -} - -namespace detail -{ - -inline -void -throw_invalid(const string_t& s, unsigned i, const string_t& message) -{ - throw std::runtime_error(std::string("Invalid time_zone initializer.\n") + - std::string(message) + ":\n" + - std::string(s) + '\n' + - "\x1b[1;32m" + - std::string(i, '~') + '^' + - std::string(s.size()-i-1, '~') + - "\x1b[0m"); -} - -inline -unsigned -read_date(const string_t& s, unsigned i, rule& r) -{ - using date::month; - using date::weekday; - if (i == s.size()) - throw_invalid(s, i, "Expected rule but found end of string"); - if (s[i] == 'J') - { - ++i; - unsigned n; - i = read_unsigned(s, i, 3, n); - r.mode_ = rule::J; - r.n_ = n; - } - else if (s[i] == 'M') - { - ++i; - unsigned m; - i = read_unsigned(s, i, 2, m); - if (i == s.size() || s[i] != '.') - throw_invalid(s, i, "Expected '.' after month"); - ++i; - unsigned n; - i = read_unsigned(s, i, 1, n); - if (i == s.size() || s[i] != '.') - throw_invalid(s, i, "Expected '.' after weekday index"); - ++i; - unsigned wd; - i = read_unsigned(s, i, 1, wd); - r.mode_ = rule::M; - r.m_ = month{m}; - r.wd_ = weekday{wd}; - r.n_ = n; - } - else if (std::isdigit(s[i])) - { - unsigned n; - i = read_unsigned(s, i, 3, n); - r.mode_ = rule::N; - r.n_ = n; - } - else - throw_invalid(s, i, "Expected 'J', 'M', or a digit to start rule"); - if (i != s.size() && s[i] == '/') - { - ++i; - std::chrono::seconds t; - i = read_unsigned_time(s, i, t); - r.time_ = t; - } - return i; -} - -inline -unsigned -read_name(const string_t& s, unsigned i, std::string& name) -{ - if (i == s.size()) - throw_invalid(s, i, "Expected a name but found end of string"); - if (s[i] == '<') - { - ++i; - while (true) - { - if (i == s.size()) - throw_invalid(s, i, - "Expected to find closing '>', but found end of string"); - if (s[i] == '>') - break; - name.push_back(s[i]); - ++i; - } - ++i; - } - else - { - while (i != s.size() && std::isalpha(s[i])) - { - name.push_back(s[i]); - ++i; - } - } - if (name.size() < 3) - throw_invalid(s, i, "Found name to be shorter than 3 characters"); - return i; -} - -inline -unsigned -read_signed_time(const string_t& s, unsigned i, - std::chrono::seconds& t) -{ - if (i == s.size()) - throw_invalid(s, i, "Expected to read signed time, but found end of string"); - bool negative = false; - if (s[i] == '-') - { - negative = true; - ++i; - } - else if (s[i] == '+') - ++i; - i = read_unsigned_time(s, i, t); - if (negative) - t = -t; - return i; -} - -inline -unsigned -read_unsigned_time(const string_t& s, unsigned i, std::chrono::seconds& t) -{ - using std::chrono::seconds; - using std::chrono::minutes; - using std::chrono::hours; - if (i == s.size()) - throw_invalid(s, i, "Expected to read unsigned time, but found end of string"); - unsigned x; - i = read_unsigned(s, i, 2, x); - t = hours{x}; - if (i != s.size() && s[i] == ':') - { - ++i; - i = read_unsigned(s, i, 2, x); - t += minutes{x}; - if (i != s.size() && s[i] == ':') - { - ++i; - i = read_unsigned(s, i, 2, x); - t += seconds{x}; - } - } - return i; -} - -inline -unsigned -read_unsigned(const string_t& s, unsigned i, unsigned limit, unsigned& u) -{ - if (i == s.size() || !std::isdigit(s[i])) - throw_invalid(s, i, "Expected to find a decimal digit"); - u = static_cast<unsigned>(s[i] - '0'); - unsigned count = 1; - for (++i; count < limit && i != s.size() && std::isdigit(s[i]); ++i, ++count) - u = u * 10 + static_cast<unsigned>(s[i] - '0'); - return i; -} - -} // namespace detail - -} // namespace Posix - -namespace date -{ - -template <> -struct zoned_traits<Posix::time_zone> -{ - -#if HAS_STRING_VIEW - - static - Posix::time_zone - locate_zone(std::string_view name) - { - return Posix::time_zone{name}; - } - -#else // !HAS_STRING_VIEW - - static - Posix::time_zone - locate_zone(const std::string& name) - { - return Posix::time_zone{name}; - } - - static - Posix::time_zone - locate_zone(const char* name) - { - return Posix::time_zone{name}; - } - -#endif // !HAS_STRING_VIEW - -}; - -} // namespace date - -#endif // PTZ_H diff --git a/src/libs/date/includes/date/tz.h b/src/libs/date/includes/date/tz.h deleted file mode 100644 index 22eac555..00000000 --- a/src/libs/date/includes/date/tz.h +++ /dev/null @@ -1,2775 +0,0 @@ -#ifndef TZ_H -#define TZ_H - -// The MIT License (MIT) -// -// Copyright (c) 2015, 2016, 2017 Howard Hinnant -// Copyright (c) 2017 Jiangang Zhuang -// Copyright (c) 2017 Aaron Bishop -// Copyright (c) 2017 Tomasz Kamiński -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -// Get more recent database at http://www.iana.org/time-zones - -// The notion of "current timezone" is something the operating system is expected to "just -// know". How it knows this is system specific. It's often a value set by the user at OS -// installation time and recorded by the OS somewhere. On Linux and Mac systems the current -// timezone name is obtained by looking at the name or contents of a particular file on -// disk. On Windows the current timezone name comes from the registry. In either method, -// there is no guarantee that the "native" current timezone name obtained will match any -// of the "Standard" names in this library's "database". On Linux, the names usually do -// seem to match so mapping functions to map from native to "Standard" are typically not -// required. On Windows, the names are never "Standard" so mapping is always required. -// Technically any OS may use the mapping process but currently only Windows does use it. - -#ifndef USE_OS_TZDB -# define USE_OS_TZDB 0 -#endif - -#ifndef HAS_REMOTE_API -# if USE_OS_TZDB == 0 -# ifdef _WIN32 -# define HAS_REMOTE_API 0 -# else -# define HAS_REMOTE_API 1 -# endif -# else // HAS_REMOTE_API makes no since when using the OS timezone database -# define HAS_REMOTE_API 0 -# endif -#endif - -#ifdef __clang__ -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wconstant-logical-operand" -#endif - -static_assert(!(USE_OS_TZDB && HAS_REMOTE_API), - "USE_OS_TZDB and HAS_REMOTE_API can not be used together"); - -#ifdef __clang__ -# pragma clang diagnostic pop -#endif - -#ifndef AUTO_DOWNLOAD -# define AUTO_DOWNLOAD HAS_REMOTE_API -#endif - -static_assert(HAS_REMOTE_API == 0 ? AUTO_DOWNLOAD == 0 : true, - "AUTO_DOWNLOAD can not be turned on without HAS_REMOTE_API"); - -#ifndef USE_SHELL_API -# define USE_SHELL_API 1 -#endif - -#if USE_OS_TZDB -# ifdef _WIN32 -# error "USE_OS_TZDB can not be used on Windows" -# endif -# ifndef MISSING_LEAP_SECONDS -# ifdef __APPLE__ -# define MISSING_LEAP_SECONDS 1 -# else -# define MISSING_LEAP_SECONDS 0 -# endif -# endif -#else -# define MISSING_LEAP_SECONDS 0 -#endif - -#ifndef HAS_DEDUCTION_GUIDES -# if __cplusplus >= 201703 -# define HAS_DEDUCTION_GUIDES 1 -# else -# define HAS_DEDUCTION_GUIDES 0 -# endif -#endif // HAS_DEDUCTION_GUIDES - -#include "date.h" - -#if defined(_MSC_VER) && (_MSC_VER < 1900) -#include "tz_private.h" -#endif - -#include <algorithm> -#include <atomic> -#include <cassert> -#include <chrono> -#include <istream> -#include <locale> -#include <memory> -#include <mutex> -#include <ostream> -#include <sstream> -#include <stdexcept> -#include <string> -#include <type_traits> -#include <utility> -#include <vector> - -#ifdef _WIN32 -# ifdef DATE_BUILD_DLL -# define DATE_API __declspec(dllexport) -# elif defined(DATE_USE_DLL) -# define DATE_API __declspec(dllimport) -# else -# define DATE_API -# endif -#else -# ifdef DATE_BUILD_DLL -# define DATE_API __attribute__ ((visibility ("default"))) -# else -# define DATE_API -# endif -#endif - -namespace date -{ - -enum class choose {earliest, latest}; - -namespace detail -{ - struct undocumented; - - template<typename T> - struct nodeduct - { - using type = T; - }; - - template<typename T> - using nodeduct_t = typename nodeduct<T>::type; -} - -struct sys_info -{ - sys_seconds begin; - sys_seconds end; - std::chrono::seconds offset; - std::chrono::minutes save; - std::string abbrev; -}; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const sys_info& r) -{ - os << r.begin << '\n'; - os << r.end << '\n'; - os << make_time(r.offset) << "\n"; - os << make_time(r.save) << "\n"; - os << r.abbrev << '\n'; - return os; -} - -struct local_info -{ - enum {unique, nonexistent, ambiguous} result; - sys_info first; - sys_info second; -}; - -template<class CharT, class Traits> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const local_info& r) -{ - if (r.result == local_info::nonexistent) - os << "nonexistent between\n"; - else if (r.result == local_info::ambiguous) - os << "ambiguous between\n"; - os << r.first; - if (r.result != local_info::unique) - { - os << "and\n"; - os << r.second; - } - return os; -} - -class nonexistent_local_time - : public std::runtime_error -{ -public: - template <class Duration> - nonexistent_local_time(local_time<Duration> tp, const local_info& i); - -private: - template <class Duration> - static - std::string - make_msg(local_time<Duration> tp, const local_info& i); -}; - -template <class Duration> -inline -nonexistent_local_time::nonexistent_local_time(local_time<Duration> tp, - const local_info& i) - : std::runtime_error(make_msg(tp, i)) -{ -} - -template <class Duration> -std::string -nonexistent_local_time::make_msg(local_time<Duration> tp, const local_info& i) -{ - assert(i.result == local_info::nonexistent); - std::ostringstream os; - os << tp << " is in a gap between\n" - << local_seconds{i.first.end.time_since_epoch()} + i.first.offset << ' ' - << i.first.abbrev << " and\n" - << local_seconds{i.second.begin.time_since_epoch()} + i.second.offset << ' ' - << i.second.abbrev - << " which are both equivalent to\n" - << i.first.end << " UTC"; - return os.str(); -} - -class ambiguous_local_time - : public std::runtime_error -{ -public: - template <class Duration> - ambiguous_local_time(local_time<Duration> tp, const local_info& i); - -private: - template <class Duration> - static - std::string - make_msg(local_time<Duration> tp, const local_info& i); -}; - -template <class Duration> -inline -ambiguous_local_time::ambiguous_local_time(local_time<Duration> tp, const local_info& i) - : std::runtime_error(make_msg(tp, i)) -{ -} - -template <class Duration> -std::string -ambiguous_local_time::make_msg(local_time<Duration> tp, const local_info& i) -{ - assert(i.result == local_info::ambiguous); - std::ostringstream os; - os << tp << " is ambiguous. It could be\n" - << tp << ' ' << i.first.abbrev << " == " - << tp - i.first.offset << " UTC or\n" - << tp << ' ' << i.second.abbrev << " == " - << tp - i.second.offset << " UTC"; - return os.str(); -} - -class time_zone; - -#if HAS_STRING_VIEW -DATE_API const time_zone* locate_zone(std::string_view tz_name); -#else -DATE_API const time_zone* locate_zone(const std::string& tz_name); -#endif - -DATE_API const time_zone* current_zone(); - -template <class T> -struct zoned_traits -{ -}; - -template <> -struct zoned_traits<const time_zone*> -{ - static - const time_zone* - default_zone() - { - return date::locate_zone("Etc/UTC"); - } - -#if HAS_STRING_VIEW - - static - const time_zone* - locate_zone(std::string_view name) - { - return date::locate_zone(name); - } - -#else // !HAS_STRING_VIEW - - static - const time_zone* - locate_zone(const std::string& name) - { - return date::locate_zone(name); - } - - static - const time_zone* - locate_zone(const char* name) - { - return date::locate_zone(name); - } - -#endif // !HAS_STRING_VIEW -}; - -template <class Duration, class TimeZonePtr> -class zoned_time; - -template <class Duration1, class Duration2, class TimeZonePtr> -bool -operator==(const zoned_time<Duration1, TimeZonePtr>& x, - const zoned_time<Duration2, TimeZonePtr>& y); - -template <class Duration, class TimeZonePtr = const time_zone*> -class zoned_time -{ -public: - using duration = typename std::common_type<Duration, std::chrono::seconds>::type; - -private: - TimeZonePtr zone_; - sys_time<duration> tp_; - -public: -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = decltype(zoned_traits<T>::default_zone())> -#endif - zoned_time(); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = decltype(zoned_traits<T>::default_zone())> -#endif - zoned_time(const sys_time<Duration>& st); - explicit zoned_time(TimeZonePtr z); - -#if HAS_STRING_VIEW - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())) - >::value - >::type> - explicit zoned_time(std::string_view name); -#else -# if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())) - >::value - >::type> -# endif - explicit zoned_time(const std::string& name); -#endif - - template <class Duration2, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value - >::type> - zoned_time(const zoned_time<Duration2, TimeZonePtr>& zt) NOEXCEPT; - - zoned_time(TimeZonePtr z, const sys_time<Duration>& st); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible - < - decltype(std::declval<T&>()->to_sys(local_time<Duration>{})), - sys_time<duration> - >::value - >::type> -#endif - zoned_time(TimeZonePtr z, const local_time<Duration>& tp); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible - < - decltype(std::declval<T&>()->to_sys(local_time<Duration>{}, - choose::earliest)), - sys_time<duration> - >::value - >::type> -#endif - zoned_time(TimeZonePtr z, const local_time<Duration>& tp, choose c); - - template <class Duration2, class TimeZonePtr2, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value - >::type> - zoned_time(TimeZonePtr z, const zoned_time<Duration2, TimeZonePtr2>& zt); - - template <class Duration2, class TimeZonePtr2, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value - >::type> - zoned_time(TimeZonePtr z, const zoned_time<Duration2, TimeZonePtr2>& zt, choose); - -#if HAS_STRING_VIEW - - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())), - sys_time<Duration> - >::value - >::type> - zoned_time(std::string_view name, detail::nodeduct_t<const sys_time<Duration>&> st); - - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())), - local_time<Duration> - >::value - >::type> - zoned_time(std::string_view name, detail::nodeduct_t<const local_time<Duration>&> tp); - - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())), - local_time<Duration>, - choose - >::value - >::type> - zoned_time(std::string_view name, detail::nodeduct_t<const local_time<Duration>&> tp, choose c); - - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())), - zoned_time - >::value - >::type> - zoned_time(std::string_view name, const zoned_time<Duration2, TimeZonePtr2>& zt); - - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string_view())), - zoned_time, - choose - >::value - >::type> - zoned_time(std::string_view name, const zoned_time<Duration2, TimeZonePtr2>& zt, choose); - -#else // !HAS_STRING_VIEW - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - sys_time<Duration> - >::value - >::type> -#endif - zoned_time(const std::string& name, const sys_time<Duration>& st); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - sys_time<Duration> - >::value - >::type> -#endif - zoned_time(const char* name, const sys_time<Duration>& st); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - local_time<Duration> - >::value - >::type> -#endif - zoned_time(const std::string& name, const local_time<Duration>& tp); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - local_time<Duration> - >::value - >::type> -#endif - zoned_time(const char* name, const local_time<Duration>& tp); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - local_time<Duration>, - choose - >::value - >::type> -#endif - zoned_time(const std::string& name, const local_time<Duration>& tp, choose c); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - local_time<Duration>, - choose - >::value - >::type> -#endif - zoned_time(const char* name, const local_time<Duration>& tp, choose c); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - zoned_time - >::value - >::type> -#else - template <class Duration2, class TimeZonePtr2> -#endif - zoned_time(const std::string& name, const zoned_time<Duration2, TimeZonePtr2>& zt); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - zoned_time - >::value - >::type> -#else - template <class Duration2, class TimeZonePtr2> -#endif - zoned_time(const char* name, const zoned_time<Duration2, TimeZonePtr2>& zt); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - zoned_time, - choose - >::value - >::type> -#else - template <class Duration2, class TimeZonePtr2> -#endif - zoned_time(const std::string& name, const zoned_time<Duration2, TimeZonePtr2>& zt, - choose); - -#if !defined(_MSC_VER) || (_MSC_VER > 1916) - template <class Duration2, class TimeZonePtr2, class T = TimeZonePtr, - class = typename std::enable_if - < - std::is_convertible<sys_time<Duration2>, - sys_time<Duration>>::value && - std::is_constructible - < - zoned_time, - decltype(zoned_traits<T>::locate_zone(std::string())), - zoned_time, - choose - >::value - >::type> -#else - template <class Duration2, class TimeZonePtr2> -#endif - zoned_time(const char* name, const zoned_time<Duration2, TimeZonePtr2>& zt, - choose); - -#endif // !HAS_STRING_VIEW - - zoned_time& operator=(const sys_time<Duration>& st); - zoned_time& operator=(const local_time<Duration>& ut); - - explicit operator sys_time<duration>() const; - explicit operator local_time<duration>() const; - - TimeZonePtr get_time_zone() const; - local_time<duration> get_local_time() const; - sys_time<duration> get_sys_time() const; - sys_info get_info() const; - - template <class Duration1, class Duration2, class TimeZonePtr1> - friend - bool - operator==(const zoned_time<Duration1, TimeZonePtr1>& x, - const zoned_time<Duration2, TimeZonePtr1>& y); - - template <class CharT, class Traits, class Duration1, class TimeZonePtr1> - friend - std::basic_ostream<CharT, Traits>& - operator<<(std::basic_ostream<CharT, Traits>& os, - const zoned_time<Duration1, TimeZonePtr1>& t); - -private: - template <class D, class T> friend class zoned_time; -}; - -using zoned_seconds = zoned_time<std::chrono::seconds>; - -#if HAS_DEDUCTION_GUIDES - -namespace detail -{ - template<typename TimeZonePtrOrName> - using time_zone_representation = - std::conditional_t - < - std::is_convertible<TimeZonePtrOrName, std::string_view>::value, - time_zone const*, - std::remove_cv_t<std::remove_reference_t<TimeZonePtrOrName>> - >; -} - -zoned_time() - -> zoned_time<std::chrono::seconds>; - -template <class Duration> -zoned_time(sys_time<Duration>) - -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>>; - -template <class TimeZonePtrOrName> -zoned_time(TimeZonePtrOrName&&) - -> zoned_time<std::chrono::seconds, detail::time_zone_representation<TimeZonePtrOrName>>; - -template <class TimeZonePtrOrName, class Duration> -zoned_time(TimeZonePtrOrName&&, sys_time<Duration>) - -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>, detail::time_zone_representation<TimeZonePtrOrName>>; - -template <class TimeZonePtrOrName, class Duration> -zoned_time(TimeZonePtrOrName&&, local_time<Duration>, choose = choose::earliest) - -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>, detail::time_zone_representation<TimeZonePtrOrName>>; - -template <class Duration, class TimeZonePtrOrName, class TimeZonePtr2> -zoned_time(TimeZonePtrOrName&&, zoned_time<Duration, TimeZonePtr2>, choose = choose::earliest) - -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>, detail::time_zone_representation<TimeZonePtrOrName>>; - -#endif // HAS_DEDUCTION_GUIDES - -template <class Duration1, class Duration2, class TimeZonePtr> -inline -bool -operator==(const zoned_time<Duration1, TimeZonePtr>& x, - const zoned_time<Duration2, TimeZonePtr>& y) -{ - return x.zone_ == y.zone_ && x.tp_ == y.tp_; -} - -template <class Duration1, class Duration2, class TimeZonePtr> -inline -bool -operator!=(const zoned_time<Duration1, TimeZonePtr>& x, - const zoned_time<Duration2, TimeZonePtr>& y) -{ - return !(x == y); -} - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - -namespace detail -{ -# if USE_OS_TZDB - struct transition; - struct expanded_ttinfo; -# else // !USE_OS_TZDB - struct zonelet; - class Rule; -# endif // !USE_OS_TZDB -} - -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - -class time_zone -{ -private: - std::string name_; -#if USE_OS_TZDB - std::vector<detail::transition> transitions_; - std::vector<detail::expanded_ttinfo> ttinfos_; -#else // !USE_OS_TZDB - std::vector<detail::zonelet> zonelets_; -#endif // !USE_OS_TZDB - std::unique_ptr<std::once_flag> adjusted_; - -public: -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - time_zone(time_zone&&) = default; - time_zone& operator=(time_zone&&) = default; -#else // defined(_MSC_VER) && (_MSC_VER < 1900) - time_zone(time_zone&& src); - time_zone& operator=(time_zone&& src); -#endif // defined(_MSC_VER) && (_MSC_VER < 1900) - - DATE_API explicit time_zone(const std::string& s, detail::undocumented); - - const std::string& name() const NOEXCEPT; - - template <class Duration> sys_info get_info(sys_time<Duration> st) const; - template <class Duration> local_info get_info(local_time<Duration> tp) const; - - template <class Duration> - sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys(local_time<Duration> tp) const; - - template <class Duration> - sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys(local_time<Duration> tp, choose z) const; - - template <class Duration> - local_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_local(sys_time<Duration> tp) const; - - friend bool operator==(const time_zone& x, const time_zone& y) NOEXCEPT; - friend bool operator< (const time_zone& x, const time_zone& y) NOEXCEPT; - friend DATE_API std::ostream& operator<<(std::ostream& os, const time_zone& z); - -#if !USE_OS_TZDB - DATE_API void add(const std::string& s); -#endif // !USE_OS_TZDB - -private: - DATE_API sys_info get_info_impl(sys_seconds tp) const; - DATE_API local_info get_info_impl(local_seconds tp) const; - - template <class Duration> - sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys_impl(local_time<Duration> tp, choose z, std::false_type) const; - template <class Duration> - sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys_impl(local_time<Duration> tp, choose, std::true_type) const; - -#if USE_OS_TZDB - DATE_API void init() const; - DATE_API void init_impl(); - DATE_API sys_info - load_sys_info(std::vector<detail::transition>::const_iterator i) const; - - template <class TimeType> - DATE_API void - load_data(std::istream& inf, std::int32_t tzh_leapcnt, std::int32_t tzh_timecnt, - std::int32_t tzh_typecnt, std::int32_t tzh_charcnt); -#else // !USE_OS_TZDB - DATE_API sys_info get_info_impl(sys_seconds tp, int timezone) const; - DATE_API void adjust_infos(const std::vector<detail::Rule>& rules); - DATE_API void parse_info(std::istream& in); -#endif // !USE_OS_TZDB -}; - -#if defined(_MSC_VER) && (_MSC_VER < 1900) - -inline -time_zone::time_zone(time_zone&& src) - : name_(std::move(src.name_)) - , zonelets_(std::move(src.zonelets_)) - , adjusted_(std::move(src.adjusted_)) - {} - -inline -time_zone& -time_zone::operator=(time_zone&& src) -{ - name_ = std::move(src.name_); - zonelets_ = std::move(src.zonelets_); - adjusted_ = std::move(src.adjusted_); - return *this; -} - -#endif // defined(_MSC_VER) && (_MSC_VER < 1900) - -inline -const std::string& -time_zone::name() const NOEXCEPT -{ - return name_; -} - -template <class Duration> -inline -sys_info -time_zone::get_info(sys_time<Duration> st) const -{ - return get_info_impl(date::floor<std::chrono::seconds>(st)); -} - -template <class Duration> -inline -local_info -time_zone::get_info(local_time<Duration> tp) const -{ - return get_info_impl(date::floor<std::chrono::seconds>(tp)); -} - -template <class Duration> -inline -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys(local_time<Duration> tp) const -{ - return to_sys_impl(tp, choose{}, std::true_type{}); -} - -template <class Duration> -inline -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys(local_time<Duration> tp, choose z) const -{ - return to_sys_impl(tp, z, std::false_type{}); -} - -template <class Duration> -inline -local_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_local(sys_time<Duration> tp) const -{ - using LT = local_time<typename std::common_type<Duration, std::chrono::seconds>::type>; - auto i = get_info(tp); - return LT{(tp + i.offset).time_since_epoch()}; -} - -inline bool operator==(const time_zone& x, const time_zone& y) NOEXCEPT {return x.name_ == y.name_;} -inline bool operator< (const time_zone& x, const time_zone& y) NOEXCEPT {return x.name_ < y.name_;} - -inline bool operator!=(const time_zone& x, const time_zone& y) NOEXCEPT {return !(x == y);} -inline bool operator> (const time_zone& x, const time_zone& y) NOEXCEPT {return y < x;} -inline bool operator<=(const time_zone& x, const time_zone& y) NOEXCEPT {return !(y < x);} -inline bool operator>=(const time_zone& x, const time_zone& y) NOEXCEPT {return !(x < y);} - -template <class Duration> -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys_impl(local_time<Duration> tp, choose z, std::false_type) const -{ - auto i = get_info(tp); - if (i.result == local_info::nonexistent) - { - return i.first.end; - } - else if (i.result == local_info::ambiguous) - { - if (z == choose::latest) - return sys_time<Duration>{tp.time_since_epoch()} - i.second.offset; - } - return sys_time<Duration>{tp.time_since_epoch()} - i.first.offset; -} - -template <class Duration> -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -time_zone::to_sys_impl(local_time<Duration> tp, choose, std::true_type) const -{ - auto i = get_info(tp); - if (i.result == local_info::nonexistent) - throw nonexistent_local_time(tp, i); - else if (i.result == local_info::ambiguous) - throw ambiguous_local_time(tp, i); - return sys_time<Duration>{tp.time_since_epoch()} - i.first.offset; -} - -#if !USE_OS_TZDB - -class time_zone_link -{ -private: - std::string name_; - std::string target_; -public: - DATE_API explicit time_zone_link(const std::string& s); - - const std::string& name() const {return name_;} - const std::string& target() const {return target_;} - - friend bool operator==(const time_zone_link& x, const time_zone_link& y) {return x.name_ == y.name_;} - friend bool operator< (const time_zone_link& x, const time_zone_link& y) {return x.name_ < y.name_;} - - friend DATE_API std::ostream& operator<<(std::ostream& os, const time_zone_link& x); -}; - -using link = time_zone_link; - -inline bool operator!=(const time_zone_link& x, const time_zone_link& y) {return !(x == y);} -inline bool operator> (const time_zone_link& x, const time_zone_link& y) {return y < x;} -inline bool operator<=(const time_zone_link& x, const time_zone_link& y) {return !(y < x);} -inline bool operator>=(const time_zone_link& x, const time_zone_link& y) {return !(x < y);} - -#endif // !USE_OS_TZDB - -#if !MISSING_LEAP_SECONDS - -class leap_second -{ -private: - sys_seconds date_; - -public: -#if USE_OS_TZDB - DATE_API explicit leap_second(const sys_seconds& s, detail::undocumented); -#else - DATE_API explicit leap_second(const std::string& s, detail::undocumented); -#endif - - sys_seconds date() const {return date_;} - - friend bool operator==(const leap_second& x, const leap_second& y) {return x.date_ == y.date_;} - friend bool operator< (const leap_second& x, const leap_second& y) {return x.date_ < y.date_;} - - template <class Duration> - friend - bool - operator==(const leap_second& x, const sys_time<Duration>& y) - { - return x.date_ == y; - } - - template <class Duration> - friend - bool - operator< (const leap_second& x, const sys_time<Duration>& y) - { - return x.date_ < y; - } - - template <class Duration> - friend - bool - operator< (const sys_time<Duration>& x, const leap_second& y) - { - return x < y.date_; - } - - friend DATE_API std::ostream& operator<<(std::ostream& os, const leap_second& x); -}; - -inline bool operator!=(const leap_second& x, const leap_second& y) {return !(x == y);} -inline bool operator> (const leap_second& x, const leap_second& y) {return y < x;} -inline bool operator<=(const leap_second& x, const leap_second& y) {return !(y < x);} -inline bool operator>=(const leap_second& x, const leap_second& y) {return !(x < y);} - -template <class Duration> -inline -bool -operator==(const sys_time<Duration>& x, const leap_second& y) -{ - return y == x; -} - -template <class Duration> -inline -bool -operator!=(const leap_second& x, const sys_time<Duration>& y) -{ - return !(x == y); -} - -template <class Duration> -inline -bool -operator!=(const sys_time<Duration>& x, const leap_second& y) -{ - return !(x == y); -} - -template <class Duration> -inline -bool -operator> (const leap_second& x, const sys_time<Duration>& y) -{ - return y < x; -} - -template <class Duration> -inline -bool -operator> (const sys_time<Duration>& x, const leap_second& y) -{ - return y < x; -} - -template <class Duration> -inline -bool -operator<=(const leap_second& x, const sys_time<Duration>& y) -{ - return !(y < x); -} - -template <class Duration> -inline -bool -operator<=(const sys_time<Duration>& x, const leap_second& y) -{ - return !(y < x); -} - -template <class Duration> -inline -bool -operator>=(const leap_second& x, const sys_time<Duration>& y) -{ - return !(x < y); -} - -template <class Duration> -inline -bool -operator>=(const sys_time<Duration>& x, const leap_second& y) -{ - return !(x < y); -} - -using leap = leap_second; - -#endif // !MISSING_LEAP_SECONDS - -#ifdef _WIN32 - -namespace detail -{ - -// The time zone mapping is modelled after this data file: -// http://unicode.org/repos/cldr/trunk/common/supplemental/windowsZones.xml -// and the field names match the element names from the mapZone element -// of windowsZones.xml. -// The website displays this file here: -// http://www.unicode.org/cldr/charts/latest/supplemental/zone_tzid.html -// The html view is sorted before being displayed but is otherwise the same -// There is a mapping between the os centric view (in this case windows) -// the html displays uses and the generic view the xml file. -// That mapping is this: -// display column "windows" -> xml field "other". -// display column "region" -> xml field "territory". -// display column "tzid" -> xml field "type". -// This structure uses the generic terminology because it could be -// used to to support other os/native name conversions, not just windows, -// and using the same generic names helps retain the connection to the -// origin of the data that we are using. -struct timezone_mapping -{ - timezone_mapping(const char* other, const char* territory, const char* type) - : other(other), territory(territory), type(type) - { - } - timezone_mapping() = default; - std::string other; - std::string territory; - std::string type; -}; - -} // detail - -#endif // _WIN32 - -struct tzdb -{ - std::string version = "unknown"; - std::vector<time_zone> zones; -#if !USE_OS_TZDB - std::vector<time_zone_link> links; -#endif -#if !MISSING_LEAP_SECONDS - std::vector<leap_second> leap_seconds; -#endif -#if !USE_OS_TZDB - std::vector<detail::Rule> rules; -#endif -#ifdef _WIN32 - std::vector<detail::timezone_mapping> mappings; -#endif - tzdb* next = nullptr; - - tzdb() = default; -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - tzdb(tzdb&&) = default; - tzdb& operator=(tzdb&&) = default; -#else // defined(_MSC_VER) && (_MSC_VER < 1900) - tzdb(tzdb&& src) - : version(std::move(src.version)) - , zones(std::move(src.zones)) - , links(std::move(src.links)) - , leap_seconds(std::move(src.leap_seconds)) - , rules(std::move(src.rules)) - , mappings(std::move(src.mappings)) - {} - - tzdb& operator=(tzdb&& src) - { - version = std::move(src.version); - zones = std::move(src.zones); - links = std::move(src.links); - leap_seconds = std::move(src.leap_seconds); - rules = std::move(src.rules); - mappings = std::move(src.mappings); - return *this; - } -#endif // defined(_MSC_VER) && (_MSC_VER < 1900) - -#if HAS_STRING_VIEW - const time_zone* locate_zone(std::string_view tz_name) const; -#else - const time_zone* locate_zone(const std::string& tz_name) const; -#endif - const time_zone* current_zone() const; -}; - -using TZ_DB = tzdb; - -DATE_API std::ostream& -operator<<(std::ostream& os, const tzdb& db); - -DATE_API const tzdb& get_tzdb(); - -class tzdb_list -{ - std::atomic<tzdb*> head_{nullptr}; - -public: - ~tzdb_list(); - tzdb_list() = default; - tzdb_list(tzdb_list&& x) noexcept; - - const tzdb& front() const noexcept {return *head_;} - tzdb& front() noexcept {return *head_;} - - class const_iterator; - - const_iterator begin() const noexcept; - const_iterator end() const noexcept; - - const_iterator cbegin() const noexcept; - const_iterator cend() const noexcept; - - const_iterator erase_after(const_iterator p) noexcept; - - struct undocumented_helper; -private: - void push_front(tzdb* tzdb) noexcept; -}; - -class tzdb_list::const_iterator -{ - tzdb* p_ = nullptr; - - explicit const_iterator(tzdb* p) noexcept : p_{p} {} -public: - const_iterator() = default; - - using iterator_category = std::forward_iterator_tag; - using value_type = tzdb; - using reference = const value_type&; - using pointer = const value_type*; - using difference_type = std::ptrdiff_t; - - reference operator*() const noexcept {return *p_;} - pointer operator->() const noexcept {return p_;} - - const_iterator& operator++() noexcept {p_ = p_->next; return *this;} - const_iterator operator++(int) noexcept {auto t = *this; ++(*this); return t;} - - friend - bool - operator==(const const_iterator& x, const const_iterator& y) noexcept - {return x.p_ == y.p_;} - - friend - bool - operator!=(const const_iterator& x, const const_iterator& y) noexcept - {return !(x == y);} - - friend class tzdb_list; -}; - -inline -tzdb_list::const_iterator -tzdb_list::begin() const noexcept -{ - return const_iterator{head_}; -} - -inline -tzdb_list::const_iterator -tzdb_list::end() const noexcept -{ - return const_iterator{nullptr}; -} - -inline -tzdb_list::const_iterator -tzdb_list::cbegin() const noexcept -{ - return begin(); -} - -inline -tzdb_list::const_iterator -tzdb_list::cend() const noexcept -{ - return end(); -} - -DATE_API tzdb_list& get_tzdb_list(); - -#if !USE_OS_TZDB - -DATE_API const tzdb& reload_tzdb(); -DATE_API void set_install(const std::string& install); - -#endif // !USE_OS_TZDB - -#if HAS_REMOTE_API - -DATE_API std::string remote_version(); -// if provided error_buffer size should be at least CURL_ERROR_SIZE -DATE_API bool remote_download(const std::string& version, char* error_buffer = nullptr); -DATE_API bool remote_install(const std::string& version); - -#endif - -// zoned_time - -namespace detail -{ - -template <class T> -inline -T* -to_raw_pointer(T* p) noexcept -{ - return p; -} - -template <class Pointer> -inline -auto -to_raw_pointer(Pointer p) noexcept - -> decltype(detail::to_raw_pointer(p.operator->())) -{ - return detail::to_raw_pointer(p.operator->()); -} - -} // namespace detail - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time() - : zone_(zoned_traits<TimeZonePtr>::default_zone()) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const sys_time<Duration>& st) - : zone_(zoned_traits<TimeZonePtr>::default_zone()) - , tp_(st) - {} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z) - : zone_(std::move(z)) - {assert(detail::to_raw_pointer(zone_) != nullptr);} - -#if HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -template <class T, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name)) - {} - -#else // !HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name)) - {} - -#endif // !HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -template <class Duration2, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const zoned_time<Duration2, TimeZonePtr>& zt) NOEXCEPT - : zone_(zt.zone_) - , tp_(zt.tp_) - {} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z, const sys_time<Duration>& st) - : zone_(std::move(z)) - , tp_(st) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z, const local_time<Duration>& t) - : zone_(std::move(z)) - , tp_(zone_->to_sys(t)) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z, const local_time<Duration>& t, - choose c) - : zone_(std::move(z)) - , tp_(zone_->to_sys(t, c)) - {} - -template <class Duration, class TimeZonePtr> -template <class Duration2, class TimeZonePtr2, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z, - const zoned_time<Duration2, TimeZonePtr2>& zt) - : zone_(std::move(z)) - , tp_(zt.tp_) - {} - -template <class Duration, class TimeZonePtr> -template <class Duration2, class TimeZonePtr2, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(TimeZonePtr z, - const zoned_time<Duration2, TimeZonePtr2>& zt, choose) - : zoned_time(std::move(z), zt) - {} - -#if HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -template <class T, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name, - detail::nodeduct_t<const sys_time<Duration>&> st) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), st) - {} - -template <class Duration, class TimeZonePtr> -template <class T, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name, - detail::nodeduct_t<const local_time<Duration>&> t) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t) - {} - -template <class Duration, class TimeZonePtr> -template <class T, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name, - detail::nodeduct_t<const local_time<Duration>&> t, choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t, c) - {} - -template <class Duration, class TimeZonePtr> -template <class Duration2, class TimeZonePtr2, class, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name, - const zoned_time<Duration2, TimeZonePtr2>& zt) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt) - {} - -template <class Duration, class TimeZonePtr> -template <class Duration2, class TimeZonePtr2, class, class> -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(std::string_view name, - const zoned_time<Duration2, TimeZonePtr2>& zt, - choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt, c) - {} - -#else // !HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name, - const sys_time<Duration>& st) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), st) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const char* name, - const sys_time<Duration>& st) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), st) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name, - const local_time<Duration>& t) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const char* name, - const local_time<Duration>& t) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name, - const local_time<Duration>& t, choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t, c) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class T, class> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const char* name, - const local_time<Duration>& t, choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), t, c) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class Duration2, class TimeZonePtr2, class, class> -#else -template <class Duration2, class TimeZonePtr2> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name, - const zoned_time<Duration2, TimeZonePtr2>& zt) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class Duration2, class TimeZonePtr2, class, class> -#else -template <class Duration2, class TimeZonePtr2> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const char* name, - const zoned_time<Duration2, TimeZonePtr2>& zt) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class Duration2, class TimeZonePtr2, class, class> -#else -template <class Duration2, class TimeZonePtr2> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const std::string& name, - const zoned_time<Duration2, TimeZonePtr2>& zt, - choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt, c) - {} - -template <class Duration, class TimeZonePtr> -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -template <class Duration2, class TimeZonePtr2, class, class> -#else -template <class Duration2, class TimeZonePtr2> -#endif -inline -zoned_time<Duration, TimeZonePtr>::zoned_time(const char* name, - const zoned_time<Duration2, TimeZonePtr2>& zt, - choose c) - : zoned_time(zoned_traits<TimeZonePtr>::locate_zone(name), zt, c) - {} - -#endif // HAS_STRING_VIEW - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>& -zoned_time<Duration, TimeZonePtr>::operator=(const sys_time<Duration>& st) -{ - tp_ = st; - return *this; -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>& -zoned_time<Duration, TimeZonePtr>::operator=(const local_time<Duration>& ut) -{ - tp_ = zone_->to_sys(ut); - return *this; -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>::operator local_time<typename zoned_time<Duration, TimeZonePtr>::duration>() const -{ - return get_local_time(); -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr>::operator sys_time<typename zoned_time<Duration, TimeZonePtr>::duration>() const -{ - return get_sys_time(); -} - -template <class Duration, class TimeZonePtr> -inline -TimeZonePtr -zoned_time<Duration, TimeZonePtr>::get_time_zone() const -{ - return zone_; -} - -template <class Duration, class TimeZonePtr> -inline -local_time<typename zoned_time<Duration, TimeZonePtr>::duration> -zoned_time<Duration, TimeZonePtr>::get_local_time() const -{ - return zone_->to_local(tp_); -} - -template <class Duration, class TimeZonePtr> -inline -sys_time<typename zoned_time<Duration, TimeZonePtr>::duration> -zoned_time<Duration, TimeZonePtr>::get_sys_time() const -{ - return tp_; -} - -template <class Duration, class TimeZonePtr> -inline -sys_info -zoned_time<Duration, TimeZonePtr>::get_info() const -{ - return zone_->get_info(tp_); -} - -// make_zoned_time - -inline -zoned_time<std::chrono::seconds> -make_zoned() -{ - return zoned_time<std::chrono::seconds>(); -} - -template <class Duration> -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type> -make_zoned(const sys_time<Duration>& tp) -{ - return zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type>(tp); -} - -template <class TimeZonePtr -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -#if !defined(__INTEL_COMPILER) || (__INTEL_COMPILER > 1600) - , class = typename std::enable_if - < - std::is_class - < - typename std::decay - < - decltype(*detail::to_raw_pointer(std::declval<TimeZonePtr&>())) - >::type - >{} - >::type -#endif -#endif - > -inline -zoned_time<std::chrono::seconds, TimeZonePtr> -make_zoned(TimeZonePtr z) -{ - return zoned_time<std::chrono::seconds, TimeZonePtr>(std::move(z)); -} - -inline -zoned_seconds -make_zoned(const std::string& name) -{ - return zoned_seconds(name); -} - -template <class Duration, class TimeZonePtr -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -#if !defined(__INTEL_COMPILER) || (__INTEL_COMPILER > 1600) - , class = typename std::enable_if - < - std::is_class<typename std::decay<decltype(*std::declval<TimeZonePtr&>())>::type>{} - >::type -#endif -#endif - > -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, TimeZonePtr> -make_zoned(TimeZonePtr zone, const local_time<Duration>& tp) -{ - return zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, - TimeZonePtr>(std::move(zone), tp); -} - -template <class Duration, class TimeZonePtr -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -#if !defined(__INTEL_COMPILER) || (__INTEL_COMPILER > 1600) - , class = typename std::enable_if - < - std::is_class<typename std::decay<decltype(*std::declval<TimeZonePtr&>())>::type>{} - >::type -#endif -#endif - > -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, TimeZonePtr> -make_zoned(TimeZonePtr zone, const local_time<Duration>& tp, choose c) -{ - return zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, - TimeZonePtr>(std::move(zone), tp, c); -} - -template <class Duration> -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type> -make_zoned(const std::string& name, const local_time<Duration>& tp) -{ - return zoned_time<typename std::common_type<Duration, - std::chrono::seconds>::type>(name, tp); -} - -template <class Duration> -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type> -make_zoned(const std::string& name, const local_time<Duration>& tp, choose c) -{ - return zoned_time<typename std::common_type<Duration, - std::chrono::seconds>::type>(name, tp, c); -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr> -make_zoned(TimeZonePtr zone, const zoned_time<Duration, TimeZonePtr>& zt) -{ - return zoned_time<Duration, TimeZonePtr>(std::move(zone), zt); -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr> -make_zoned(const std::string& name, const zoned_time<Duration, TimeZonePtr>& zt) -{ - return zoned_time<Duration, TimeZonePtr>(name, zt); -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr> -make_zoned(TimeZonePtr zone, const zoned_time<Duration, TimeZonePtr>& zt, choose c) -{ - return zoned_time<Duration, TimeZonePtr>(std::move(zone), zt, c); -} - -template <class Duration, class TimeZonePtr> -inline -zoned_time<Duration, TimeZonePtr> -make_zoned(const std::string& name, const zoned_time<Duration, TimeZonePtr>& zt, choose c) -{ - return zoned_time<Duration, TimeZonePtr>(name, zt, c); -} - -template <class Duration, class TimeZonePtr -#if !defined(_MSC_VER) || (_MSC_VER > 1916) -#if !defined(__INTEL_COMPILER) || (__INTEL_COMPILER > 1600) - , class = typename std::enable_if - < - std::is_class<typename std::decay<decltype(*std::declval<TimeZonePtr&>())>::type>{} - >::type -#endif -#endif - > -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, TimeZonePtr> -make_zoned(TimeZonePtr zone, const sys_time<Duration>& st) -{ - return zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type, - TimeZonePtr>(std::move(zone), st); -} - -template <class Duration> -inline -zoned_time<typename std::common_type<Duration, std::chrono::seconds>::type> -make_zoned(const std::string& name, const sys_time<Duration>& st) -{ - return zoned_time<typename std::common_type<Duration, - std::chrono::seconds>::type>(name, st); -} - -template <class CharT, class Traits, class Duration, class TimeZonePtr> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const zoned_time<Duration, TimeZonePtr>& tp) -{ - using duration = typename zoned_time<Duration, TimeZonePtr>::duration; - using LT = local_time<duration>; - auto const st = tp.get_sys_time(); - auto const info = tp.get_time_zone()->get_info(st); - return to_stream(os, fmt, LT{(st+info.offset).time_since_epoch()}, - &info.abbrev, &info.offset); -} - -template <class CharT, class Traits, class Duration, class TimeZonePtr> -inline -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const zoned_time<Duration, TimeZonePtr>& t) -{ - const CharT fmt[] = {'%', 'F', ' ', '%', 'T', ' ', '%', 'Z', CharT{}}; - return to_stream(os, fmt, t); -} - -#if !MISSING_LEAP_SECONDS - -class utc_clock -{ -public: - using duration = std::chrono::system_clock::duration; - using rep = duration::rep; - using period = duration::period; - using time_point = std::chrono::time_point<utc_clock>; - static CONSTDATA bool is_steady = false; - - static time_point now(); - - template<typename Duration> - static - std::chrono::time_point<std::chrono::system_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - to_sys(const std::chrono::time_point<utc_clock, Duration>&); - - template<typename Duration> - static - std::chrono::time_point<utc_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - from_sys(const std::chrono::time_point<std::chrono::system_clock, Duration>&); - - template<typename Duration> - static - std::chrono::time_point<local_t, typename std::common_type<Duration, std::chrono::seconds>::type> - to_local(const std::chrono::time_point<utc_clock, Duration>&); - - template<typename Duration> - static - std::chrono::time_point<utc_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - from_local(const std::chrono::time_point<local_t, Duration>&); -}; - -template <class Duration> - using utc_time = std::chrono::time_point<utc_clock, Duration>; - -using utc_seconds = utc_time<std::chrono::seconds>; - -template <class Duration> -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -utc_clock::from_sys(const sys_time<Duration>& st) -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - auto const& leaps = get_tzdb().leap_seconds; - auto const lt = std::upper_bound(leaps.begin(), leaps.end(), st); - return utc_time<CD>{st.time_since_epoch() + seconds{lt-leaps.begin()}}; -} - -// Return pair<is_leap_second, seconds{number_of_leap_seconds_since_1970}> -// first is true if ut is during a leap second insertion, otherwise false. -// If ut is during a leap second insertion, that leap second is included in the count -template <class Duration> -std::pair<bool, std::chrono::seconds> -is_leap_second(date::utc_time<Duration> const& ut) -{ - using std::chrono::seconds; - using duration = typename std::common_type<Duration, seconds>::type; - auto const& leaps = get_tzdb().leap_seconds; - auto tp = sys_time<duration>{ut.time_since_epoch()}; - auto const lt = std::upper_bound(leaps.begin(), leaps.end(), tp); - auto ds = seconds{lt-leaps.begin()}; - tp -= ds; - auto ls = false; - if (lt > leaps.begin()) - { - if (tp < lt[-1]) - { - if (tp >= lt[-1].date() - seconds{1}) - ls = true; - else - --ds; - } - } - return {ls, ds}; -} - -struct leap_second_info -{ - bool is_leap_second; - std::chrono::seconds elapsed; -}; - -template <class Duration> -leap_second_info -get_leap_second_info(date::utc_time<Duration> const& ut) -{ - auto p = is_leap_second(ut); - return {p.first, p.second}; -} - -template <class Duration> -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -utc_clock::to_sys(const utc_time<Duration>& ut) -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - auto ls = is_leap_second(ut); - auto tp = sys_time<CD>{ut.time_since_epoch() - ls.second}; - if (ls.first) - tp = floor<seconds>(tp) + seconds{1} - CD{1}; - return tp; -} - -inline -utc_clock::time_point -utc_clock::now() -{ - return from_sys(std::chrono::system_clock::now()); -} - -template <class Duration> -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -utc_clock::from_local(const local_time<Duration>& st) -{ - return from_sys(sys_time<Duration>{st.time_since_epoch()}); -} - -template <class Duration> -local_time<typename std::common_type<Duration, std::chrono::seconds>::type> -utc_clock::to_local(const utc_time<Duration>& ut) -{ - using CD = typename std::common_type<Duration, std::chrono::seconds>::type; - return local_time<CD>{to_sys(ut).time_since_epoch()}; -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const utc_time<Duration>& t) -{ - using std::chrono::seconds; - using CT = typename std::common_type<Duration, seconds>::type; - const std::string abbrev("UTC"); - CONSTDATA seconds offset{0}; - auto ls = is_leap_second(t); - auto tp = sys_time<CT>{t.time_since_epoch() - ls.second}; - auto const sd = floor<days>(tp); - year_month_day ymd = sd; - auto time = make_time(tp - sys_seconds{sd}); - time.seconds(detail::undocumented{}) += seconds{ls.first}; - fields<CT> fds{ymd, time}; - return to_stream(os, fmt, fds, &abbrev, &offset); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const utc_time<Duration>& t) -{ - const CharT fmt[] = {'%', 'F', ' ', '%', 'T', CharT{}}; - return to_stream(os, fmt, t); -} - -template <class Duration, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - utc_time<Duration>& tp, std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - using std::chrono::seconds; - using std::chrono::minutes; - using CT = typename std::common_type<Duration, seconds>::type; - minutes offset_local{}; - auto offptr = offset ? offset : &offset_local; - fields<CT> fds{}; - fds.has_tod = true; - from_stream(is, fmt, fds, abbrev, offptr); - if (!fds.ymd.ok()) - is.setstate(std::ios::failbit); - if (!is.fail()) - { - bool is_60_sec = fds.tod.seconds() == seconds{60}; - if (is_60_sec) - fds.tod.seconds(detail::undocumented{}) -= seconds{1}; - auto tmp = utc_clock::from_sys(sys_days(fds.ymd) - *offptr + fds.tod.to_duration()); - if (is_60_sec) - tmp += seconds{1}; - if (is_60_sec != is_leap_second(tmp).first || !fds.tod.in_conventional_range()) - { - is.setstate(std::ios::failbit); - return is; - } - tp = std::chrono::time_point_cast<Duration>(tmp); - } - return is; -} - -// tai_clock - -class tai_clock -{ -public: - using duration = std::chrono::system_clock::duration; - using rep = duration::rep; - using period = duration::period; - using time_point = std::chrono::time_point<tai_clock>; - static const bool is_steady = false; - - static time_point now(); - - template<typename Duration> - static - std::chrono::time_point<utc_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - to_utc(const std::chrono::time_point<tai_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<tai_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - from_utc(const std::chrono::time_point<utc_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<local_t, typename std::common_type<Duration, date::days>::type> - to_local(const std::chrono::time_point<tai_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<tai_clock, typename std::common_type<Duration, date::days>::type> - from_local(const std::chrono::time_point<local_t, Duration>&) NOEXCEPT; -}; - -template <class Duration> - using tai_time = std::chrono::time_point<tai_clock, Duration>; - -using tai_seconds = tai_time<std::chrono::seconds>; - -template <class Duration> -inline -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -tai_clock::to_utc(const tai_time<Duration>& t) NOEXCEPT -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - return utc_time<CD>{t.time_since_epoch()} - - (sys_days(year{1970}/January/1) - sys_days(year{1958}/January/1) + seconds{10}); -} - -template <class Duration> -inline -tai_time<typename std::common_type<Duration, std::chrono::seconds>::type> -tai_clock::from_utc(const utc_time<Duration>& t) NOEXCEPT -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - return tai_time<CD>{t.time_since_epoch()} + - (sys_days(year{1970}/January/1) - sys_days(year{1958}/January/1) + seconds{10}); -} - -inline -tai_clock::time_point -tai_clock::now() -{ - return from_utc(utc_clock::now()); -} - -template <class Duration> -inline -local_time<typename std::common_type<Duration, date::days>::type> -tai_clock::to_local(const tai_time<Duration>& t) NOEXCEPT -{ - using CD = typename std::common_type<Duration, date::days>::type; - return local_time<CD>{t.time_since_epoch()} - - (local_days(year{1970}/January/1) - local_days(year{1958}/January/1)); -} - -template <class Duration> -inline -tai_time<typename std::common_type<Duration, date::days>::type> -tai_clock::from_local(const local_time<Duration>& t) NOEXCEPT -{ - using CD = typename std::common_type<Duration, date::days>::type; - return tai_time<CD>{t.time_since_epoch()} + - (local_days(year{1970}/January/1) - local_days(year{1958}/January/1)); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const tai_time<Duration>& t) -{ - const std::string abbrev("TAI"); - CONSTDATA std::chrono::seconds offset{0}; - return to_stream(os, fmt, tai_clock::to_local(t), &abbrev, &offset); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const tai_time<Duration>& t) -{ - const CharT fmt[] = {'%', 'F', ' ', '%', 'T', CharT{}}; - return to_stream(os, fmt, t); -} - -template <class Duration, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - tai_time<Duration>& tp, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - local_time<Duration> lp; - from_stream(is, fmt, lp, abbrev, offset); - if (!is.fail()) - tp = tai_clock::from_local(lp); - return is; -} - -// gps_clock - -class gps_clock -{ -public: - using duration = std::chrono::system_clock::duration; - using rep = duration::rep; - using period = duration::period; - using time_point = std::chrono::time_point<gps_clock>; - static const bool is_steady = false; - - static time_point now(); - - template<typename Duration> - static - std::chrono::time_point<utc_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - to_utc(const std::chrono::time_point<gps_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<gps_clock, typename std::common_type<Duration, std::chrono::seconds>::type> - from_utc(const std::chrono::time_point<utc_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<local_t, typename std::common_type<Duration, date::days>::type> - to_local(const std::chrono::time_point<gps_clock, Duration>&) NOEXCEPT; - - template<typename Duration> - static - std::chrono::time_point<gps_clock, typename std::common_type<Duration, date::days>::type> - from_local(const std::chrono::time_point<local_t, Duration>&) NOEXCEPT; -}; - -template <class Duration> - using gps_time = std::chrono::time_point<gps_clock, Duration>; - -using gps_seconds = gps_time<std::chrono::seconds>; - -template <class Duration> -inline -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -gps_clock::to_utc(const gps_time<Duration>& t) NOEXCEPT -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - return utc_time<CD>{t.time_since_epoch()} + - (sys_days(year{1980}/January/Sunday[1]) - sys_days(year{1970}/January/1) + - seconds{9}); -} - -template <class Duration> -inline -gps_time<typename std::common_type<Duration, std::chrono::seconds>::type> -gps_clock::from_utc(const utc_time<Duration>& t) NOEXCEPT -{ - using std::chrono::seconds; - using CD = typename std::common_type<Duration, seconds>::type; - return gps_time<CD>{t.time_since_epoch()} - - (sys_days(year{1980}/January/Sunday[1]) - sys_days(year{1970}/January/1) + - seconds{9}); -} - -inline -gps_clock::time_point -gps_clock::now() -{ - return from_utc(utc_clock::now()); -} - -template <class Duration> -inline -local_time<typename std::common_type<Duration, date::days>::type> -gps_clock::to_local(const gps_time<Duration>& t) NOEXCEPT -{ - using CD = typename std::common_type<Duration, date::days>::type; - return local_time<CD>{t.time_since_epoch()} + - (local_days(year{1980}/January/Sunday[1]) - local_days(year{1970}/January/1)); -} - -template <class Duration> -inline -gps_time<typename std::common_type<Duration, date::days>::type> -gps_clock::from_local(const local_time<Duration>& t) NOEXCEPT -{ - using CD = typename std::common_type<Duration, date::days>::type; - return gps_time<CD>{t.time_since_epoch()} - - (local_days(year{1980}/January/Sunday[1]) - local_days(year{1970}/January/1)); -} - - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -to_stream(std::basic_ostream<CharT, Traits>& os, const CharT* fmt, - const gps_time<Duration>& t) -{ - const std::string abbrev("GPS"); - CONSTDATA std::chrono::seconds offset{0}; - return to_stream(os, fmt, gps_clock::to_local(t), &abbrev, &offset); -} - -template <class CharT, class Traits, class Duration> -std::basic_ostream<CharT, Traits>& -operator<<(std::basic_ostream<CharT, Traits>& os, const gps_time<Duration>& t) -{ - const CharT fmt[] = {'%', 'F', ' ', '%', 'T', CharT{}}; - return to_stream(os, fmt, t); -} - -template <class Duration, class CharT, class Traits, class Alloc = std::allocator<CharT>> -std::basic_istream<CharT, Traits>& -from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt, - gps_time<Duration>& tp, - std::basic_string<CharT, Traits, Alloc>* abbrev = nullptr, - std::chrono::minutes* offset = nullptr) -{ - local_time<Duration> lp; - from_stream(is, fmt, lp, abbrev, offset); - if (!is.fail()) - tp = gps_clock::from_local(lp); - return is; -} - -// clock_time_conversion - -template <class DstClock, class SrcClock> -struct clock_time_conversion -{}; - -template <> -struct clock_time_conversion<std::chrono::system_clock, std::chrono::system_clock> -{ - template <class Duration> - sys_time<Duration> - operator()(const sys_time<Duration>& st) const - { - return st; - } -}; - -template <> -struct clock_time_conversion<utc_clock, utc_clock> -{ - template <class Duration> - utc_time<Duration> - operator()(const utc_time<Duration>& ut) const - { - return ut; - } -}; - -template<> -struct clock_time_conversion<local_t, local_t> -{ - template <class Duration> - local_time<Duration> - operator()(const local_time<Duration>& lt) const - { - return lt; - } -}; - -template <> -struct clock_time_conversion<utc_clock, std::chrono::system_clock> -{ - template <class Duration> - utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> - operator()(const sys_time<Duration>& st) const - { - return utc_clock::from_sys(st); - } -}; - -template <> -struct clock_time_conversion<std::chrono::system_clock, utc_clock> -{ - template <class Duration> - sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> - operator()(const utc_time<Duration>& ut) const - { - return utc_clock::to_sys(ut); - } -}; - -template<> -struct clock_time_conversion<local_t, std::chrono::system_clock> -{ - template <class Duration> - local_time<Duration> - operator()(const sys_time<Duration>& st) const - { - return local_time<Duration>{st.time_since_epoch()}; - } -}; - -template<> -struct clock_time_conversion<std::chrono::system_clock, local_t> -{ - template <class Duration> - sys_time<Duration> - operator()(const local_time<Duration>& lt) const - { - return sys_time<Duration>{lt.time_since_epoch()}; - } -}; - -template<> -struct clock_time_conversion<utc_clock, local_t> -{ - template <class Duration> - utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> - operator()(const local_time<Duration>& lt) const - { - return utc_clock::from_local(lt); - } -}; - -template<> -struct clock_time_conversion<local_t, utc_clock> -{ - template <class Duration> - local_time<typename std::common_type<Duration, std::chrono::seconds>::type> - operator()(const utc_time<Duration>& ut) const - { - return utc_clock::to_local(ut); - } -}; - -template<typename Clock> -struct clock_time_conversion<Clock, Clock> -{ - template <class Duration> - std::chrono::time_point<Clock, Duration> - operator()(const std::chrono::time_point<Clock, Duration>& tp) const - { - return tp; - } -}; - -namespace ctc_detail -{ - -template <class Clock, class Duration> - using time_point = std::chrono::time_point<Clock, Duration>; - -using std::declval; -using std::chrono::system_clock; - -//Check if TimePoint is time for given clock, -//if not emits hard error -template <class Clock, class TimePoint> -struct return_clock_time -{ - using clock_time_point = time_point<Clock, typename TimePoint::duration>; - using type = TimePoint; - - static_assert(std::is_same<TimePoint, clock_time_point>::value, - "time point with appropariate clock shall be returned"); -}; - -// Check if Clock has to_sys method accepting TimePoint with given duration const& and -// returning sys_time. If so has nested type member equal to return type to_sys. -template <class Clock, class Duration, class = void> -struct return_to_sys -{}; - -template <class Clock, class Duration> -struct return_to_sys - < - Clock, Duration, - decltype(Clock::to_sys(declval<time_point<Clock, Duration> const&>()), void()) - > - : return_clock_time - < - system_clock, - decltype(Clock::to_sys(declval<time_point<Clock, Duration> const&>())) - > -{}; - -// Similiar to above -template <class Clock, class Duration, class = void> -struct return_from_sys -{}; - -template <class Clock, class Duration> -struct return_from_sys - < - Clock, Duration, - decltype(Clock::from_sys(declval<time_point<system_clock, Duration> const&>()), - void()) - > - : return_clock_time - < - Clock, - decltype(Clock::from_sys(declval<time_point<system_clock, Duration> const&>())) - > -{}; - -// Similiar to above -template <class Clock, class Duration, class = void> -struct return_to_utc -{}; - -template <class Clock, class Duration> -struct return_to_utc - < - Clock, Duration, - decltype(Clock::to_utc(declval<time_point<Clock, Duration> const&>()), void()) - > - : return_clock_time - < - utc_clock, - decltype(Clock::to_utc(declval<time_point<Clock, Duration> const&>()))> -{}; - -// Similiar to above -template <class Clock, class Duration, class = void> -struct return_from_utc -{}; - -template <class Clock, class Duration> -struct return_from_utc - < - Clock, Duration, - decltype(Clock::from_utc(declval<time_point<utc_clock, Duration> const&>()), - void()) - > - : return_clock_time - < - Clock, - decltype(Clock::from_utc(declval<time_point<utc_clock, Duration> const&>())) - > -{}; - -// Similiar to above -template<typename Clock, typename Duration, typename = void> -struct return_to_local -{}; - -template<typename Clock, typename Duration> -struct return_to_local - < - Clock, Duration, - decltype(Clock::to_local(declval<time_point<Clock, Duration> const&>()), - void()) - > - : return_clock_time - < - local_t, - decltype(Clock::to_local(declval<time_point<Clock, Duration> const&>())) - > -{}; - -// Similiar to above -template<typename Clock, typename Duration, typename = void> -struct return_from_local -{}; - -template<typename Clock, typename Duration> -struct return_from_local - < - Clock, Duration, - decltype(Clock::from_local(declval<time_point<local_t, Duration> const&>()), - void()) - > - : return_clock_time - < - Clock, - decltype(Clock::from_local(declval<time_point<local_t, Duration> const&>())) - > -{}; - -} // namespace ctc_detail - -template <class SrcClock> -struct clock_time_conversion<std::chrono::system_clock, SrcClock> -{ - template <class Duration> - typename ctc_detail::return_to_sys<SrcClock, Duration>::type - operator()(const std::chrono::time_point<SrcClock, Duration>& tp) const - { - return SrcClock::to_sys(tp); - } -}; - -template <class DstClock> -struct clock_time_conversion<DstClock, std::chrono::system_clock> -{ - template <class Duration> - typename ctc_detail::return_from_sys<DstClock, Duration>::type - operator()(const sys_time<Duration>& st) const - { - return DstClock::from_sys(st); - } -}; - -template <class SrcClock> -struct clock_time_conversion<utc_clock, SrcClock> -{ - template <class Duration> - typename ctc_detail::return_to_utc<SrcClock, Duration>::type - operator()(const std::chrono::time_point<SrcClock, Duration>& tp) const - { - return SrcClock::to_utc(tp); - } -}; - -template <class DstClock> -struct clock_time_conversion<DstClock, utc_clock> -{ - template <class Duration> - typename ctc_detail::return_from_utc<DstClock, Duration>::type - operator()(const utc_time<Duration>& ut) const - { - return DstClock::from_utc(ut); - } -}; - -template<typename SrcClock> -struct clock_time_conversion<local_t, SrcClock> -{ - template <class Duration> - typename ctc_detail::return_to_local<SrcClock, Duration>::type - operator()(const std::chrono::time_point<SrcClock, Duration>& tp) const - { - return SrcClock::to_local(tp); - } -}; - -template<typename DstClock> -struct clock_time_conversion<DstClock, local_t> -{ - template <class Duration> - typename ctc_detail::return_from_local<DstClock, Duration>::type - operator()(const local_time<Duration>& lt) const - { - return DstClock::from_local(lt); - } -}; - -namespace clock_cast_detail -{ - -template <class Clock, class Duration> - using time_point = std::chrono::time_point<Clock, Duration>; -using std::chrono::system_clock; - -template <class DstClock, class SrcClock, class Duration> -auto -conv_clock(const time_point<SrcClock, Duration>& t) - -> decltype(std::declval<clock_time_conversion<DstClock, SrcClock>>()(t)) -{ - return clock_time_conversion<DstClock, SrcClock>{}(t); -} - -//direct trait conversion, 1st candidate -template <class DstClock, class SrcClock, class Duration> -auto -cc_impl(const time_point<SrcClock, Duration>& t, const time_point<SrcClock, Duration>*) - -> decltype(conv_clock<DstClock>(t)) -{ - return conv_clock<DstClock>(t); -} - -//conversion through sys, 2nd candidate -template <class DstClock, class SrcClock, class Duration> -auto -cc_impl(const time_point<SrcClock, Duration>& t, const void*) - -> decltype(conv_clock<DstClock>(conv_clock<system_clock>(t))) -{ - return conv_clock<DstClock>(conv_clock<system_clock>(t)); -} - -//conversion through utc, 2nd candidate -template <class DstClock, class SrcClock, class Duration> -auto -cc_impl(const time_point<SrcClock, Duration>& t, const void*) - -> decltype(0, // MSVC_WORKAROUND - conv_clock<DstClock>(conv_clock<utc_clock>(t))) -{ - return conv_clock<DstClock>(conv_clock<utc_clock>(t)); -} - -//conversion through sys and utc, 3rd candidate -template <class DstClock, class SrcClock, class Duration> -auto -cc_impl(const time_point<SrcClock, Duration>& t, ...) - -> decltype(conv_clock<DstClock>(conv_clock<utc_clock>(conv_clock<system_clock>(t)))) -{ - return conv_clock<DstClock>(conv_clock<utc_clock>(conv_clock<system_clock>(t))); -} - -//conversion through utc and sys, 3rd candidate -template <class DstClock, class SrcClock, class Duration> -auto -cc_impl(const time_point<SrcClock, Duration>& t, ...) - -> decltype(0, // MSVC_WORKAROUND - conv_clock<DstClock>(conv_clock<system_clock>(conv_clock<utc_clock>(t)))) -{ - return conv_clock<DstClock>(conv_clock<system_clock>(conv_clock<utc_clock>(t))); -} - -} // namespace clock_cast_detail - -template <class DstClock, class SrcClock, class Duration> -auto -clock_cast(const std::chrono::time_point<SrcClock, Duration>& tp) - -> decltype(clock_cast_detail::cc_impl<DstClock>(tp, &tp)) -{ - return clock_cast_detail::cc_impl<DstClock>(tp, &tp); -} - -// Deprecated API - -template <class Duration> -inline -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_sys_time(const utc_time<Duration>& t) -{ - return utc_clock::to_sys(t); -} - -template <class Duration> -inline -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_sys_time(const tai_time<Duration>& t) -{ - return utc_clock::to_sys(tai_clock::to_utc(t)); -} - -template <class Duration> -inline -sys_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_sys_time(const gps_time<Duration>& t) -{ - return utc_clock::to_sys(gps_clock::to_utc(t)); -} - - -template <class Duration> -inline -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_utc_time(const sys_time<Duration>& t) -{ - return utc_clock::from_sys(t); -} - -template <class Duration> -inline -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_utc_time(const tai_time<Duration>& t) -{ - return tai_clock::to_utc(t); -} - -template <class Duration> -inline -utc_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_utc_time(const gps_time<Duration>& t) -{ - return gps_clock::to_utc(t); -} - - -template <class Duration> -inline -tai_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_tai_time(const sys_time<Duration>& t) -{ - return tai_clock::from_utc(utc_clock::from_sys(t)); -} - -template <class Duration> -inline -tai_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_tai_time(const utc_time<Duration>& t) -{ - return tai_clock::from_utc(t); -} - -template <class Duration> -inline -tai_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_tai_time(const gps_time<Duration>& t) -{ - return tai_clock::from_utc(gps_clock::to_utc(t)); -} - - -template <class Duration> -inline -gps_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_gps_time(const sys_time<Duration>& t) -{ - return gps_clock::from_utc(utc_clock::from_sys(t)); -} - -template <class Duration> -inline -gps_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_gps_time(const utc_time<Duration>& t) -{ - return gps_clock::from_utc(t); -} - -template <class Duration> -inline -gps_time<typename std::common_type<Duration, std::chrono::seconds>::type> -to_gps_time(const tai_time<Duration>& t) -{ - return gps_clock::from_utc(tai_clock::to_utc(t)); -} - -#endif // !MISSING_LEAP_SECONDS - -} // namespace date - -#endif // TZ_H diff --git a/src/libs/date/includes/date/tz_private.h b/src/libs/date/includes/date/tz_private.h deleted file mode 100644 index 798fcf5a..00000000 --- a/src/libs/date/includes/date/tz_private.h +++ /dev/null @@ -1,316 +0,0 @@ -#ifndef TZ_PRIVATE_H -#define TZ_PRIVATE_H - -// The MIT License (MIT) -// -// Copyright (c) 2015, 2016 Howard Hinnant -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) -#include "tz.h" -#else -#include "date.h" -#include <vector> -#endif - -namespace date -{ - -namespace detail -{ - -#if !USE_OS_TZDB - -enum class tz {utc, local, standard}; - -//forward declare to avoid warnings in gcc 6.2 -class MonthDayTime; -std::istream& operator>>(std::istream& is, MonthDayTime& x); -std::ostream& operator<<(std::ostream& os, const MonthDayTime& x); - - -class MonthDayTime -{ -private: - struct pair - { -#if defined(_MSC_VER) && (_MSC_VER < 1900) - pair() : month_day_(date::jan / 1), weekday_(0U) {} - - pair(const date::month_day& month_day, const date::weekday& weekday) - : month_day_(month_day), weekday_(weekday) {} -#endif - - date::month_day month_day_; - date::weekday weekday_; - }; - - enum Type {month_day, month_last_dow, lteq, gteq}; - - Type type_{month_day}; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - union U -#else - struct U -#endif - { - date::month_day month_day_; - date::month_weekday_last month_weekday_last_; - pair month_day_weekday_; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - U() : month_day_{date::jan/1} {} -#else - U() : - month_day_(date::jan/1), - month_weekday_last_(date::month(0U), date::weekday_last(date::weekday(0U))) - {} - -#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900) - - U& operator=(const date::month_day& x); - U& operator=(const date::month_weekday_last& x); - U& operator=(const pair& x); - } u; - - std::chrono::hours h_{}; - std::chrono::minutes m_{}; - std::chrono::seconds s_{}; - tz zone_{tz::local}; - -public: - MonthDayTime() = default; - MonthDayTime(local_seconds tp, tz timezone); - MonthDayTime(const date::month_day& md, tz timezone); - - date::day day() const; - date::month month() const; - tz zone() const {return zone_;} - - void canonicalize(date::year y); - - sys_seconds - to_sys(date::year y, std::chrono::seconds offset, std::chrono::seconds save) const; - sys_days to_sys_days(date::year y) const; - - sys_seconds to_time_point(date::year y) const; - int compare(date::year y, const MonthDayTime& x, date::year yx, - std::chrono::seconds offset, std::chrono::minutes prev_save) const; - - friend std::istream& operator>>(std::istream& is, MonthDayTime& x); - friend std::ostream& operator<<(std::ostream& os, const MonthDayTime& x); -}; - -// A Rule specifies one or more set of datetimes without using an offset. -// Multiple dates are specified with multiple years. The years in effect -// go from starting_year_ to ending_year_, inclusive. starting_year_ <= -// ending_year_. save_ is in effect for times from the specified time -// onward, including the specified time. When the specified time is -// local, it uses the save_ from the chronologically previous Rule, or if -// there is none, 0. - -//forward declare to avoid warnings in gcc 6.2 -class Rule; -bool operator==(const Rule& x, const Rule& y); -bool operator<(const Rule& x, const Rule& y); -bool operator==(const Rule& x, const date::year& y); -bool operator<(const Rule& x, const date::year& y); -bool operator==(const date::year& x, const Rule& y); -bool operator<(const date::year& x, const Rule& y); -bool operator==(const Rule& x, const std::string& y); -bool operator<(const Rule& x, const std::string& y); -bool operator==(const std::string& x, const Rule& y); -bool operator<(const std::string& x, const Rule& y); -std::ostream& operator<<(std::ostream& os, const Rule& r); - -class Rule -{ -private: - std::string name_; - date::year starting_year_{0}; - date::year ending_year_{0}; - MonthDayTime starting_at_; - std::chrono::minutes save_{0}; - std::string abbrev_; - -public: - Rule() = default; - explicit Rule(const std::string& s); - Rule(const Rule& r, date::year starting_year, date::year ending_year); - - const std::string& name() const {return name_;} - const std::string& abbrev() const {return abbrev_;} - - const MonthDayTime& mdt() const {return starting_at_;} - const date::year& starting_year() const {return starting_year_;} - const date::year& ending_year() const {return ending_year_;} - const std::chrono::minutes& save() const {return save_;} - - static void split_overlaps(std::vector<Rule>& rules); - - friend bool operator==(const Rule& x, const Rule& y); - friend bool operator<(const Rule& x, const Rule& y); - friend bool operator==(const Rule& x, const date::year& y); - friend bool operator<(const Rule& x, const date::year& y); - friend bool operator==(const date::year& x, const Rule& y); - friend bool operator<(const date::year& x, const Rule& y); - friend bool operator==(const Rule& x, const std::string& y); - friend bool operator<(const Rule& x, const std::string& y); - friend bool operator==(const std::string& x, const Rule& y); - friend bool operator<(const std::string& x, const Rule& y); - - friend std::ostream& operator<<(std::ostream& os, const Rule& r); - -private: - date::day day() const; - date::month month() const; - static void split_overlaps(std::vector<Rule>& rules, std::size_t i, std::size_t& e); - static bool overlaps(const Rule& x, const Rule& y); - static void split(std::vector<Rule>& rules, std::size_t i, std::size_t k, - std::size_t& e); -}; - -inline bool operator!=(const Rule& x, const Rule& y) {return !(x == y);} -inline bool operator> (const Rule& x, const Rule& y) {return y < x;} -inline bool operator<=(const Rule& x, const Rule& y) {return !(y < x);} -inline bool operator>=(const Rule& x, const Rule& y) {return !(x < y);} - -inline bool operator!=(const Rule& x, const date::year& y) {return !(x == y);} -inline bool operator> (const Rule& x, const date::year& y) {return y < x;} -inline bool operator<=(const Rule& x, const date::year& y) {return !(y < x);} -inline bool operator>=(const Rule& x, const date::year& y) {return !(x < y);} - -inline bool operator!=(const date::year& x, const Rule& y) {return !(x == y);} -inline bool operator> (const date::year& x, const Rule& y) {return y < x;} -inline bool operator<=(const date::year& x, const Rule& y) {return !(y < x);} -inline bool operator>=(const date::year& x, const Rule& y) {return !(x < y);} - -inline bool operator!=(const Rule& x, const std::string& y) {return !(x == y);} -inline bool operator> (const Rule& x, const std::string& y) {return y < x;} -inline bool operator<=(const Rule& x, const std::string& y) {return !(y < x);} -inline bool operator>=(const Rule& x, const std::string& y) {return !(x < y);} - -inline bool operator!=(const std::string& x, const Rule& y) {return !(x == y);} -inline bool operator> (const std::string& x, const Rule& y) {return y < x;} -inline bool operator<=(const std::string& x, const Rule& y) {return !(y < x);} -inline bool operator>=(const std::string& x, const Rule& y) {return !(x < y);} - -struct zonelet -{ - enum tag {has_rule, has_save, is_empty}; - - std::chrono::seconds gmtoff_; - tag tag_ = has_rule; - -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - union U -#else - struct U -#endif - { - std::string rule_; - std::chrono::minutes save_; - - ~U() {} - U() {} - U(const U&) {} - U& operator=(const U&) = delete; - } u; - - std::string format_; - date::year until_year_{0}; - MonthDayTime until_date_; - sys_seconds until_utc_; - local_seconds until_std_; - local_seconds until_loc_; - std::chrono::minutes initial_save_{}; - std::string initial_abbrev_; - std::pair<const Rule*, date::year> first_rule_{nullptr, date::year::min()}; - std::pair<const Rule*, date::year> last_rule_{nullptr, date::year::max()}; - - ~zonelet(); - zonelet(); - zonelet(const zonelet& i); - zonelet& operator=(const zonelet&) = delete; -}; - -#else // USE_OS_TZDB - -struct ttinfo -{ - std::int32_t tt_gmtoff; - unsigned char tt_isdst; - unsigned char tt_abbrind; - unsigned char pad[2]; -}; - -static_assert(sizeof(ttinfo) == 8, ""); - -struct expanded_ttinfo -{ - std::chrono::seconds offset; - std::string abbrev; - bool is_dst; -}; - -struct transition -{ - sys_seconds timepoint; - const expanded_ttinfo* info; - - transition(sys_seconds tp, const expanded_ttinfo* i = nullptr) - : timepoint(tp) - , info(i) - {} - - friend - std::ostream& - operator<<(std::ostream& os, const transition& t) - { - using date::operator<<; - os << t.timepoint << "Z "; - if (t.info->offset >= std::chrono::seconds{0}) - os << '+'; - os << make_time(t.info->offset); - if (t.info->is_dst > 0) - os << " daylight "; - else - os << " standard "; - os << t.info->abbrev; - return os; - } -}; - -#endif // USE_OS_TZDB - -} // namespace detail - -} // namespace date - -#if defined(_MSC_VER) && (_MSC_VER < 1900) -#include "tz.h" -#endif - -#endif // TZ_PRIVATE_H diff --git a/src/libs/date/src/tz.cpp b/src/libs/date/src/tz.cpp deleted file mode 100644 index ad4e90e7..00000000 --- a/src/libs/date/src/tz.cpp +++ /dev/null @@ -1,3825 +0,0 @@ -// The MIT License (MIT) -// -// Copyright (c) 2015, 2016, 2017 Howard Hinnant -// Copyright (c) 2015 Ville Voutilainen -// Copyright (c) 2016 Alexander Kormanovsky -// Copyright (c) 2016, 2017 Jiangang Zhuang -// Copyright (c) 2017 Nicolas Veloz Savino -// Copyright (c) 2017 Florian Dang -// Copyright (c) 2017 Aaron Bishop -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. -// -// Our apologies. When the previous paragraph was written, lowercase had not yet -// been invented (that would involve another several millennia of evolution). -// We did not mean to shout. - -#ifdef _WIN32 - // windows.h will be included directly and indirectly (e.g. by curl). - // We need to define these macros to prevent windows.h bringing in - // more than we need and do it early so windows.h doesn't get included - // without these macros having been defined. - // min/max macros interfere with the C++ versions. -# ifndef NOMINMAX -# define NOMINMAX -# endif - // We don't need all that Windows has to offer. -# ifndef WIN32_LEAN_AND_MEAN -# define WIN32_LEAN_AND_MEAN -# endif - - // for wcstombs -# ifndef _CRT_SECURE_NO_WARNINGS -# define _CRT_SECURE_NO_WARNINGS -# endif - - // None of this happens with the MS SDK (at least VS14 which I tested), but: - // Compiling with mingw, we get "error: 'KF_FLAG_DEFAULT' was not declared in this scope." - // and error: 'SHGetKnownFolderPath' was not declared in this scope.". - // It seems when using mingw NTDDI_VERSION is undefined and that - // causes KNOWN_FOLDER_FLAG and the KF_ flags to not get defined. - // So we must define NTDDI_VERSION to get those flags on mingw. - // The docs say though here: - // https://msdn.microsoft.com/en-nz/library/windows/desktop/aa383745(v=vs.85).aspx - // that "If you define NTDDI_VERSION, you must also define _WIN32_WINNT." - // So we declare we require Vista or greater. -# ifdef __MINGW32__ - -# ifndef NTDDI_VERSION -# define NTDDI_VERSION 0x06000000 -# define _WIN32_WINNT _WIN32_WINNT_VISTA -# elif NTDDI_VERSION < 0x06000000 -# warning "If this fails to compile NTDDI_VERSION may be to low. See comments above." -# endif - // But once we define the values above we then get this linker error: - // "tz.cpp:(.rdata$.refptr.FOLDERID_Downloads[.refptr.FOLDERID_Downloads]+0x0): " - // "undefined reference to `FOLDERID_Downloads'" - // which #include <initguid.h> cures see: - // https://support.microsoft.com/en-us/kb/130869 -# include <initguid.h> - // But with <initguid.h> included, the error moves on to: - // error: 'FOLDERID_Downloads' was not declared in this scope - // Which #include <knownfolders.h> cures. -# include <knownfolders.h> - -# endif // __MINGW32__ - -# include <windows.h> -#endif // _WIN32 - -#include "date/tz_private.h" - -#ifdef __APPLE__ -# include "date/ios.h" -#else -# define TARGET_OS_IPHONE 0 -#endif - -#if USE_OS_TZDB -# include <dirent.h> -#endif -#include <algorithm> -#include <cctype> -#include <cstdlib> -#include <cstring> -#include <cwchar> -#include <exception> -#include <fstream> -#include <iostream> -#include <iterator> -#include <memory> -#if USE_OS_TZDB -# include <queue> -#endif -#include <sstream> -#include <string> -#include <tuple> -#include <vector> -#include <sys/stat.h> - -// unistd.h is used on some platforms as part of the the means to get -// the current time zone. On Win32 windows.h provides a means to do it. -// gcc/mingw supports unistd.h on Win32 but MSVC does not. - -#ifdef _WIN32 -# ifdef WINAPI_FAMILY -# include <winapifamily.h> -# if WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP -# define WINRT -# define INSTALL . -# endif -# endif - -# include <io.h> // _unlink etc. - -# if defined(__clang__) - struct IUnknown; // fix for issue with static_cast<> in objbase.h - // (see https://github.com/philsquared/Catch/issues/690) -# endif - -# include <shlobj.h> // CoTaskFree, ShGetKnownFolderPath etc. -# if HAS_REMOTE_API -# include <direct.h> // _mkdir -# include <shellapi.h> // ShFileOperation etc. -# endif // HAS_REMOTE_API -#else // !_WIN32 -# include <unistd.h> -# if !USE_OS_TZDB -# include <wordexp.h> -# endif -# include <limits.h> -# include <string.h> -# if !USE_SHELL_API -# include <sys/stat.h> -# include <sys/fcntl.h> -# include <dirent.h> -# include <cstring> -# include <sys/wait.h> -# include <sys/types.h> -# endif //!USE_SHELL_API -#endif // !_WIN32 - - -#if HAS_REMOTE_API - // Note curl includes windows.h so we must include curl AFTER definitions of things - // that affect windows.h such as NOMINMAX. -#if defined(_MSC_VER) && defined(SHORTENED_CURL_INCLUDE) - // For rmt_curl nuget package -# include <curl.h> -#else -# include <curl/curl.h> -#endif -#endif - -#ifdef _WIN32 -static CONSTDATA char folder_delimiter = '\\'; -#else // !_WIN32 -static CONSTDATA char folder_delimiter = '/'; -#endif // !_WIN32 - -#if defined(__GNUC__) && __GNUC__ < 5 - // GCC 4.9 Bug 61489 Wrong warning with -Wmissing-field-initializers -# pragma GCC diagnostic push -# pragma GCC diagnostic ignored "-Wmissing-field-initializers" -#endif // defined(__GNUC__) && __GNUC__ < 5 - -#if !USE_OS_TZDB - -# ifdef _WIN32 -# ifndef WINRT - -namespace -{ - struct task_mem_deleter - { - void operator()(wchar_t buf[]) - { - if (buf != nullptr) - CoTaskMemFree(buf); - } - }; - using co_task_mem_ptr = std::unique_ptr<wchar_t[], task_mem_deleter>; -} - -// We might need to know certain locations even if not using the remote API, -// so keep these routines out of that block for now. -static -std::string -get_known_folder(const GUID& folderid) -{ - std::string folder; - PWSTR pfolder = nullptr; - HRESULT hr = SHGetKnownFolderPath(folderid, KF_FLAG_DEFAULT, nullptr, &pfolder); - if (SUCCEEDED(hr)) - { - co_task_mem_ptr folder_ptr(pfolder); - const wchar_t* fptr = folder_ptr.get(); - auto state = std::mbstate_t(); - const auto required = std::wcsrtombs(nullptr, &fptr, 0, &state); - if (required != 0 && required != std::size_t(-1)) - { - folder.resize(required); - std::wcsrtombs(&folder[0], &fptr, folder.size(), &state); - } - } - return folder; -} - -# ifndef INSTALL - -// Usually something like "c:\Users\username\Downloads". -static -std::string -get_download_folder() -{ - return get_known_folder(FOLDERID_Downloads); -} - -# endif // !INSTALL - -# endif // WINRT -# else // !_WIN32 - -# if !defined(INSTALL) - -static -std::string -expand_path(std::string path) -{ -# if TARGET_OS_IPHONE - return date::iOSUtils::get_tzdata_path(); -# else // !TARGET_OS_IPHONE - ::wordexp_t w{}; - std::unique_ptr<::wordexp_t, void(*)(::wordexp_t*)> hold{&w, ::wordfree}; - ::wordexp(path.c_str(), &w, 0); - if (w.we_wordc != 1) - throw std::runtime_error("Cannot expand path: " + path); - path = w.we_wordv[0]; - return path; -# endif // !TARGET_OS_IPHONE -} - -static -std::string -get_download_folder() -{ - return expand_path("~/Downloads"); -} - -# endif // !defined(INSTALL) - -# endif // !_WIN32 - -#endif // !USE_OS_TZDB - -namespace date -{ -// +---------------------+ -// | Begin Configuration | -// +---------------------+ - -using namespace detail; - -#if !USE_OS_TZDB - -static -std::string& -access_install() -{ - static std::string install -#ifndef INSTALL - - = get_download_folder() + folder_delimiter + "tzdata"; - -#else // !INSTALL - -# define STRINGIZEIMP(x) #x -# define STRINGIZE(x) STRINGIZEIMP(x) - - = STRINGIZE(INSTALL) + std::string(1, folder_delimiter) + "tzdata"; - - #undef STRINGIZEIMP - #undef STRINGIZE -#endif // !INSTALL - - return install; -} - -void -set_install(const std::string& s) -{ - access_install() = s; -} - -static -const std::string& -get_install() -{ - static const std::string& ref = access_install(); - return ref; -} - -#if HAS_REMOTE_API -static -std::string -get_download_gz_file(const std::string& version) -{ - auto file = get_install() + version + ".tar.gz"; - return file; -} -#endif // HAS_REMOTE_API - -#endif // !USE_OS_TZDB - -// These can be used to reduce the range of the database to save memory -CONSTDATA auto min_year = date::year::min(); -CONSTDATA auto max_year = date::year::max(); - -CONSTDATA auto min_day = date::January/1; -CONSTDATA auto max_day = date::December/31; - -#if USE_OS_TZDB - -CONSTCD14 const sys_seconds min_seconds = sys_days(min_year/min_day); - -#endif // USE_OS_TZDB - -#ifndef _WIN32 - -static -std::string -discover_tz_dir() -{ - struct stat sb; - using namespace std; -# ifndef __APPLE__ - CONSTDATA auto tz_dir_default = "/usr/share/zoneinfo"; - CONSTDATA auto tz_dir_buildroot = "/usr/share/zoneinfo/uclibc"; - - // Check special path which is valid for buildroot with uclibc builds - if(stat(tz_dir_buildroot, &sb) == 0 && S_ISDIR(sb.st_mode)) - return tz_dir_buildroot; - else if(stat(tz_dir_default, &sb) == 0 && S_ISDIR(sb.st_mode)) - return tz_dir_default; - else - throw runtime_error("discover_tz_dir failed to find zoneinfo\n"); -# else // __APPLE__ -# if TARGET_OS_IPHONE - return "/var/db/timezone/zoneinfo"; -# else - CONSTDATA auto timezone = "/etc/localtime"; - if (!(lstat(timezone, &sb) == 0 && S_ISLNK(sb.st_mode) && sb.st_size > 0)) - throw runtime_error("discover_tz_dir failed\n"); - string result; - char rp[PATH_MAX+1] = {}; - if (readlink(timezone, rp, sizeof(rp)-1) > 0) - result = string(rp); - else - throw system_error(errno, system_category(), "readlink() failed"); - auto i = result.find("zoneinfo"); - if (i == string::npos) - throw runtime_error("discover_tz_dir failed to find zoneinfo\n"); - i = result.find('/', i); - if (i == string::npos) - throw runtime_error("discover_tz_dir failed to find '/'\n"); - return result.substr(0, i); -# endif -# endif // __APPLE__ -} - -static -const std::string& -get_tz_dir() -{ - static const std::string tz_dir = discover_tz_dir(); - return tz_dir; -} - -#endif - -// +-------------------+ -// | End Configuration | -// +-------------------+ - -#ifndef _MSC_VER -static_assert(min_year <= max_year, "Configuration error"); -#endif - -static std::unique_ptr<tzdb> init_tzdb(); - -tzdb_list::~tzdb_list() -{ - const tzdb* ptr = head_; - head_ = nullptr; - while (ptr != nullptr) - { - auto next = ptr->next; - delete ptr; - ptr = next; - } -} - -tzdb_list::tzdb_list(tzdb_list&& x) noexcept - : head_{x.head_.exchange(nullptr)} -{ -} - -void -tzdb_list::push_front(tzdb* tzdb) noexcept -{ - tzdb->next = head_; - head_ = tzdb; -} - -tzdb_list::const_iterator -tzdb_list::erase_after(const_iterator p) noexcept -{ - auto t = p.p_->next; - p.p_->next = p.p_->next->next; - delete t; - return ++p; -} - -struct tzdb_list::undocumented_helper -{ - static void push_front(tzdb_list& db_list, tzdb* tzdb) noexcept - { - db_list.push_front(tzdb); - } -}; - -static -tzdb_list -create_tzdb() -{ - tzdb_list tz_db; - tzdb_list::undocumented_helper::push_front(tz_db, init_tzdb().release()); - return tz_db; -} - -tzdb_list& -get_tzdb_list() -{ - static tzdb_list tz_db = create_tzdb(); - return tz_db; -} - -#if !USE_OS_TZDB - -#ifdef _WIN32 - -static -void -sort_zone_mappings(std::vector<date::detail::timezone_mapping>& mappings) -{ - std::sort(mappings.begin(), mappings.end(), - [](const date::detail::timezone_mapping& lhs, - const date::detail::timezone_mapping& rhs)->bool - { - auto other_result = lhs.other.compare(rhs.other); - if (other_result < 0) - return true; - else if (other_result == 0) - { - auto territory_result = lhs.territory.compare(rhs.territory); - if (territory_result < 0) - return true; - else if (territory_result == 0) - { - if (lhs.type < rhs.type) - return true; - } - } - return false; - }); -} - -static -bool -native_to_standard_timezone_name(const std::string& native_tz_name, - std::string& standard_tz_name) -{ - // TOOD! Need be a case insensitive compare? - if (native_tz_name == "UTC") - { - standard_tz_name = "Etc/UTC"; - return true; - } - standard_tz_name.clear(); - // TODO! we can improve on linear search. - const auto& mappings = date::get_tzdb().mappings; - for (const auto& tzm : mappings) - { - if (tzm.other == native_tz_name) - { - standard_tz_name = tzm.type; - return true; - } - } - return false; -} - -// Parse this XML file: -// https://raw.githubusercontent.com/unicode-org/cldr/master/common/supplemental/windowsZones.xml -// The parsing method is designed to be simple and quick. It is not overly -// forgiving of change but it should diagnose basic format issues. -// See timezone_mapping structure for more info. -static -std::vector<detail::timezone_mapping> -load_timezone_mappings_from_xml_file(const std::string& input_path) -{ - std::size_t line_num = 0; - std::vector<detail::timezone_mapping> mappings; - std::string line; - - std::ifstream is(input_path); - if (!is.is_open()) - { - // We don't emit file exceptions because that's an implementation detail. - std::string msg = "Error opening time zone mapping file \""; - msg += input_path; - msg += "\"."; - throw std::runtime_error(msg); - } - - auto error = [&input_path, &line_num](const char* info) - { - std::string msg = "Error loading time zone mapping file \""; - msg += input_path; - msg += "\" at line "; - msg += std::to_string(line_num); - msg += ": "; - msg += info; - throw std::runtime_error(msg); - }; - // [optional space]a="b" - auto read_attribute = [&line, &error] - (const char* name, std::string& value, std::size_t startPos) - ->std::size_t - { - value.clear(); - // Skip leading space before attribute name. - std::size_t spos = line.find_first_not_of(' ', startPos); - if (spos == std::string::npos) - spos = startPos; - // Assume everything up to next = is the attribute name - // and that an = will always delimit that. - std::size_t epos = line.find('=', spos); - if (epos == std::string::npos) - error("Expected \'=\' right after attribute name."); - std::size_t name_len = epos - spos; - // Expect the name we find matches the name we expect. - if (line.compare(spos, name_len, name) != 0) - { - std::string msg; - msg = "Expected attribute name \'"; - msg += name; - msg += "\' around position "; - msg += std::to_string(spos); - msg += " but found something else."; - error(msg.c_str()); - } - ++epos; // Skip the '=' that is after the attribute name. - spos = epos; - if (spos < line.length() && line[spos] == '\"') - ++spos; // Skip the quote that is before the attribute value. - else - { - std::string msg = "Expected '\"' to begin value of attribute \'"; - msg += name; - msg += "\'."; - error(msg.c_str()); - } - epos = line.find('\"', spos); - if (epos == std::string::npos) - { - std::string msg = "Expected '\"' to end value of attribute \'"; - msg += name; - msg += "\'."; - error(msg.c_str()); - } - // Extract everything in between the quotes. Note no escaping is done. - std::size_t value_len = epos - spos; - value.assign(line, spos, value_len); - ++epos; // Skip the quote that is after the attribute value; - return epos; - }; - - // Quick but not overly forgiving XML mapping file processing. - bool mapTimezonesOpenTagFound = false; - bool mapTimezonesCloseTagFound = false; - std::size_t mapZonePos = std::string::npos; - std::size_t mapTimezonesPos = std::string::npos; - CONSTDATA char mapTimeZonesOpeningTag[] = { "<mapTimezones " }; - CONSTDATA char mapZoneOpeningTag[] = { "<mapZone " }; - CONSTDATA std::size_t mapZoneOpeningTagLen = sizeof(mapZoneOpeningTag) / - sizeof(mapZoneOpeningTag[0]) - 1; - while (!mapTimezonesOpenTagFound) - { - std::getline(is, line); - ++line_num; - if (is.eof()) - { - // If there is no mapTimezones tag is it an error? - // Perhaps if there are no mapZone mappings it might be ok for - // its parent mapTimezones element to be missing? - // We treat this as an error though on the assumption that if there - // really are no mappings we should still get a mapTimezones parent - // element but no mapZone elements inside. Assuming we must - // find something will hopefully at least catch more drastic formatting - // changes or errors than if we don't do this and assume nothing found. - error("Expected a mapTimezones opening tag."); - } - mapTimezonesPos = line.find(mapTimeZonesOpeningTag); - mapTimezonesOpenTagFound = (mapTimezonesPos != std::string::npos); - } - - // NOTE: We could extract the version info that follows the opening - // mapTimezones tag and compare that to the version of other data we have. - // I would have expected them to be kept in synch but testing has shown - // it typically does not match anyway. So what's the point? - while (!mapTimezonesCloseTagFound) - { - std::ws(is); - std::getline(is, line); - ++line_num; - if (is.eof()) - error("Expected a mapTimezones closing tag."); - if (line.empty()) - continue; - mapZonePos = line.find(mapZoneOpeningTag); - if (mapZonePos != std::string::npos) - { - mapZonePos += mapZoneOpeningTagLen; - detail::timezone_mapping zm{}; - std::size_t pos = read_attribute("other", zm.other, mapZonePos); - pos = read_attribute("territory", zm.territory, pos); - read_attribute("type", zm.type, pos); - mappings.push_back(std::move(zm)); - - continue; - } - mapTimezonesPos = line.find("</mapTimezones>"); - mapTimezonesCloseTagFound = (mapTimezonesPos != std::string::npos); - if (!mapTimezonesCloseTagFound) - { - std::size_t commentPos = line.find("<!--"); - if (commentPos == std::string::npos) - error("Unexpected mapping record found. A xml mapZone or comment " - "attribute or mapTimezones closing tag was expected."); - } - } - - is.close(); - return mappings; -} - -#endif // _WIN32 - -// Parsing helpers - -static -std::string -parse3(std::istream& in) -{ - std::string r(3, ' '); - ws(in); - r[0] = static_cast<char>(in.get()); - r[1] = static_cast<char>(in.get()); - r[2] = static_cast<char>(in.get()); - return r; -} - -static -unsigned -parse_dow(std::istream& in) -{ - CONSTDATA char*const dow_names[] = - {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; - auto s = parse3(in); - auto dow = std::find(std::begin(dow_names), std::end(dow_names), s) - dow_names; - if (dow >= std::end(dow_names) - std::begin(dow_names)) - throw std::runtime_error("oops: bad dow name: " + s); - return static_cast<unsigned>(dow); -} - -static -unsigned -parse_month(std::istream& in) -{ - CONSTDATA char*const month_names[] = - {"Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; - auto s = parse3(in); - auto m = std::find(std::begin(month_names), std::end(month_names), s) - month_names; - if (m >= std::end(month_names) - std::begin(month_names)) - throw std::runtime_error("oops: bad month name: " + s); - return static_cast<unsigned>(++m); -} - -static -std::chrono::seconds -parse_unsigned_time(std::istream& in) -{ - using namespace std::chrono; - int x; - in >> x; - auto r = seconds{hours{x}}; - if (!in.eof() && in.peek() == ':') - { - in.get(); - in >> x; - r += minutes{x}; - if (!in.eof() && in.peek() == ':') - { - in.get(); - in >> x; - r += seconds{x}; - } - } - return r; -} - -static -std::chrono::seconds -parse_signed_time(std::istream& in) -{ - ws(in); - auto sign = 1; - if (in.peek() == '-') - { - sign = -1; - in.get(); - } - else if (in.peek() == '+') - in.get(); - return sign * parse_unsigned_time(in); -} - -// MonthDayTime - -detail::MonthDayTime::MonthDayTime(local_seconds tp, tz timezone) - : zone_(timezone) -{ - using namespace date; - const auto dp = date::floor<days>(tp); - const auto hms = make_time(tp - dp); - const auto ymd = year_month_day(dp); - u = ymd.month() / ymd.day(); - h_ = hms.hours(); - m_ = hms.minutes(); - s_ = hms.seconds(); -} - -detail::MonthDayTime::MonthDayTime(const date::month_day& md, tz timezone) - : zone_(timezone) -{ - u = md; -} - -date::day -detail::MonthDayTime::day() const -{ - switch (type_) - { - case month_day: - return u.month_day_.day(); - case month_last_dow: - return date::day{31}; - case lteq: - case gteq: - break; - } - return u.month_day_weekday_.month_day_.day(); -} - -date::month -detail::MonthDayTime::month() const -{ - switch (type_) - { - case month_day: - return u.month_day_.month(); - case month_last_dow: - return u.month_weekday_last_.month(); - case lteq: - case gteq: - break; - } - return u.month_day_weekday_.month_day_.month(); -} - -int -detail::MonthDayTime::compare(date::year y, const MonthDayTime& x, date::year yx, - std::chrono::seconds offset, std::chrono::minutes prev_save) const -{ - if (zone_ != x.zone_) - { - auto dp0 = to_sys_days(y); - auto dp1 = x.to_sys_days(yx); - if (std::abs((dp0-dp1).count()) > 1) - return dp0 < dp1 ? -1 : 1; - if (zone_ == tz::local) - { - auto tp0 = to_time_point(y) - prev_save; - if (x.zone_ == tz::utc) - tp0 -= offset; - auto tp1 = x.to_time_point(yx); - return tp0 < tp1 ? -1 : tp0 == tp1 ? 0 : 1; - } - else if (zone_ == tz::standard) - { - auto tp0 = to_time_point(y); - auto tp1 = x.to_time_point(yx); - if (x.zone_ == tz::local) - tp1 -= prev_save; - else - tp0 -= offset; - return tp0 < tp1 ? -1 : tp0 == tp1 ? 0 : 1; - } - // zone_ == tz::utc - auto tp0 = to_time_point(y); - auto tp1 = x.to_time_point(yx); - if (x.zone_ == tz::local) - tp1 -= offset + prev_save; - else - tp1 -= offset; - return tp0 < tp1 ? -1 : tp0 == tp1 ? 0 : 1; - } - auto const t0 = to_time_point(y); - auto const t1 = x.to_time_point(yx); - return t0 < t1 ? -1 : t0 == t1 ? 0 : 1; -} - -sys_seconds -detail::MonthDayTime::to_sys(date::year y, std::chrono::seconds offset, - std::chrono::seconds save) const -{ - using namespace date; - using namespace std::chrono; - auto until_utc = to_time_point(y); - if (zone_ == tz::standard) - until_utc -= offset; - else if (zone_ == tz::local) - until_utc -= offset + save; - return until_utc; -} - -detail::MonthDayTime::U& -detail::MonthDayTime::U::operator=(const date::month_day& x) -{ - month_day_ = x; - return *this; -} - -detail::MonthDayTime::U& -detail::MonthDayTime::U::operator=(const date::month_weekday_last& x) -{ - month_weekday_last_ = x; - return *this; -} - -detail::MonthDayTime::U& -detail::MonthDayTime::U::operator=(const pair& x) -{ - month_day_weekday_ = x; - return *this; -} - -date::sys_days -detail::MonthDayTime::to_sys_days(date::year y) const -{ - using namespace std::chrono; - using namespace date; - switch (type_) - { - case month_day: - return sys_days(y/u.month_day_); - case month_last_dow: - return sys_days(y/u.month_weekday_last_); - case lteq: - { - auto const x = y/u.month_day_weekday_.month_day_; - auto const wd1 = weekday(static_cast<sys_days>(x)); - auto const wd0 = u.month_day_weekday_.weekday_; - return sys_days(x) - (wd1-wd0); - } - case gteq: - break; - } - auto const x = y/u.month_day_weekday_.month_day_; - auto const wd1 = u.month_day_weekday_.weekday_; - auto const wd0 = weekday(static_cast<sys_days>(x)); - return sys_days(x) + (wd1-wd0); -} - -sys_seconds -detail::MonthDayTime::to_time_point(date::year y) const -{ - // Add seconds first to promote to largest rep early to prevent overflow - return to_sys_days(y) + s_ + h_ + m_; -} - -void -detail::MonthDayTime::canonicalize(date::year y) -{ - using namespace std::chrono; - using namespace date; - switch (type_) - { - case month_day: - return; - case month_last_dow: - { - auto const ymd = year_month_day(sys_days(y/u.month_weekday_last_)); - u.month_day_ = ymd.month()/ymd.day(); - type_ = month_day; - return; - } - case lteq: - { - auto const x = y/u.month_day_weekday_.month_day_; - auto const wd1 = weekday(static_cast<sys_days>(x)); - auto const wd0 = u.month_day_weekday_.weekday_; - auto const ymd = year_month_day(sys_days(x) - (wd1-wd0)); - u.month_day_ = ymd.month()/ymd.day(); - type_ = month_day; - return; - } - case gteq: - { - auto const x = y/u.month_day_weekday_.month_day_; - auto const wd1 = u.month_day_weekday_.weekday_; - auto const wd0 = weekday(static_cast<sys_days>(x)); - auto const ymd = year_month_day(sys_days(x) + (wd1-wd0)); - u.month_day_ = ymd.month()/ymd.day(); - type_ = month_day; - return; - } - } -} - -std::istream& -detail::operator>>(std::istream& is, MonthDayTime& x) -{ - using namespace date; - using namespace std::chrono; - assert(((std::ios::failbit | std::ios::badbit) & is.exceptions()) == - (std::ios::failbit | std::ios::badbit)); - x = MonthDayTime{}; - if (!is.eof() && ws(is) && !is.eof() && is.peek() != '#') - { - auto m = parse_month(is); - if (!is.eof() && ws(is) && !is.eof() && is.peek() != '#') - { - if (is.peek() == 'l') - { - for (int i = 0; i < 4; ++i) - is.get(); - auto dow = parse_dow(is); - x.type_ = MonthDayTime::month_last_dow; - x.u = date::month(m)/weekday(dow)[last]; - } - else if (std::isalpha(is.peek())) - { - auto dow = parse_dow(is); - char c{}; - is >> c; - if (c == '<' || c == '>') - { - char c2{}; - is >> c2; - if (c2 != '=') - throw std::runtime_error(std::string("bad operator: ") + c + c2); - int d; - is >> d; - if (d < 1 || d > 31) - throw std::runtime_error(std::string("bad operator: ") + c + c2 - + std::to_string(d)); - x.type_ = c == '<' ? MonthDayTime::lteq : MonthDayTime::gteq; - x.u = MonthDayTime::pair{ date::month(m) / d, date::weekday(dow) }; - } - else - throw std::runtime_error(std::string("bad operator: ") + c); - } - else // if (std::isdigit(is.peek()) - { - int d; - is >> d; - if (d < 1 || d > 31) - throw std::runtime_error(std::string("day of month: ") - + std::to_string(d)); - x.type_ = MonthDayTime::month_day; - x.u = date::month(m)/d; - } - if (!is.eof() && ws(is) && !is.eof() && is.peek() != '#') - { - int t; - is >> t; - x.h_ = hours{t}; - if (!is.eof() && is.peek() == ':') - { - is.get(); - is >> t; - x.m_ = minutes{t}; - if (!is.eof() && is.peek() == ':') - { - is.get(); - is >> t; - x.s_ = seconds{t}; - } - } - if (!is.eof() && std::isalpha(is.peek())) - { - char c; - is >> c; - switch (c) - { - case 's': - x.zone_ = tz::standard; - break; - case 'u': - x.zone_ = tz::utc; - break; - } - } - } - } - else - { - x.u = month{m}/1; - } - } - return is; -} - -std::ostream& -detail::operator<<(std::ostream& os, const MonthDayTime& x) -{ - switch (x.type_) - { - case MonthDayTime::month_day: - os << x.u.month_day_ << " "; - break; - case MonthDayTime::month_last_dow: - os << x.u.month_weekday_last_ << " "; - break; - case MonthDayTime::lteq: - os << x.u.month_day_weekday_.weekday_ << " on or before " - << x.u.month_day_weekday_.month_day_ << " "; - break; - case MonthDayTime::gteq: - if ((static_cast<unsigned>(x.day()) - 1) % 7 == 0) - { - os << (x.u.month_day_weekday_.month_day_.month() / - x.u.month_day_weekday_.weekday_[ - (static_cast<unsigned>(x.day()) - 1)/7+1]) << " "; - } - else - { - os << x.u.month_day_weekday_.weekday_ << " on or after " - << x.u.month_day_weekday_.month_day_ << " "; - } - break; - } - os << date::make_time(x.s_ + x.h_ + x.m_); - if (x.zone_ == tz::utc) - os << "UTC "; - else if (x.zone_ == tz::standard) - os << "STD "; - else - os << " "; - return os; -} - -// Rule - -detail::Rule::Rule(const std::string& s) -{ - try - { - using namespace date; - using namespace std::chrono; - std::istringstream in(s); - in.exceptions(std::ios::failbit | std::ios::badbit); - std::string word; - in >> word >> name_; - int x; - ws(in); - if (std::isalpha(in.peek())) - { - in >> word; - if (word == "min") - { - starting_year_ = year::min(); - } - else - throw std::runtime_error("Didn't find expected word: " + word); - } - else - { - in >> x; - starting_year_ = year{x}; - } - std::ws(in); - if (std::isalpha(in.peek())) - { - in >> word; - if (word == "only") - { - ending_year_ = starting_year_; - } - else if (word == "max") - { - ending_year_ = year::max(); - } - else - throw std::runtime_error("Didn't find expected word: " + word); - } - else - { - in >> x; - ending_year_ = year{x}; - } - in >> word; // TYPE (always "-") - assert(word == "-"); - in >> starting_at_; - save_ = duration_cast<minutes>(parse_signed_time(in)); - in >> abbrev_; - if (abbrev_ == "-") - abbrev_.clear(); - assert(hours{-1} <= save_ && save_ <= hours{2}); - } - catch (...) - { - std::cerr << s << '\n'; - std::cerr << *this << '\n'; - throw; - } -} - -detail::Rule::Rule(const Rule& r, date::year starting_year, date::year ending_year) - : name_(r.name_) - , starting_year_(starting_year) - , ending_year_(ending_year) - , starting_at_(r.starting_at_) - , save_(r.save_) - , abbrev_(r.abbrev_) -{ -} - -bool -detail::operator==(const Rule& x, const Rule& y) -{ - if (std::tie(x.name_, x.save_, x.starting_year_, x.ending_year_) == - std::tie(y.name_, y.save_, y.starting_year_, y.ending_year_)) - return x.month() == y.month() && x.day() == y.day(); - return false; -} - -bool -detail::operator<(const Rule& x, const Rule& y) -{ - using namespace std::chrono; - auto const xm = x.month(); - auto const ym = y.month(); - if (std::tie(x.name_, x.starting_year_, xm, x.ending_year_) < - std::tie(y.name_, y.starting_year_, ym, y.ending_year_)) - return true; - if (std::tie(x.name_, x.starting_year_, xm, x.ending_year_) > - std::tie(y.name_, y.starting_year_, ym, y.ending_year_)) - return false; - return x.day() < y.day(); -} - -bool -detail::operator==(const Rule& x, const date::year& y) -{ - return x.starting_year_ <= y && y <= x.ending_year_; -} - -bool -detail::operator<(const Rule& x, const date::year& y) -{ - return x.ending_year_ < y; -} - -bool -detail::operator==(const date::year& x, const Rule& y) -{ - return y.starting_year_ <= x && x <= y.ending_year_; -} - -bool -detail::operator<(const date::year& x, const Rule& y) -{ - return x < y.starting_year_; -} - -bool -detail::operator==(const Rule& x, const std::string& y) -{ - return x.name() == y; -} - -bool -detail::operator<(const Rule& x, const std::string& y) -{ - return x.name() < y; -} - -bool -detail::operator==(const std::string& x, const Rule& y) -{ - return y.name() == x; -} - -bool -detail::operator<(const std::string& x, const Rule& y) -{ - return x < y.name(); -} - -std::ostream& -detail::operator<<(std::ostream& os, const Rule& r) -{ - using namespace date; - using namespace std::chrono; - detail::save_ostream<char> _(os); - os.fill(' '); - os.flags(std::ios::dec | std::ios::left); - os.width(15); - os << r.name_; - os << r.starting_year_ << " " << r.ending_year_ << " "; - os << r.starting_at_; - if (r.save_ >= minutes{0}) - os << ' '; - os << date::make_time(r.save_) << " "; - os << r.abbrev_; - return os; -} - -date::day -detail::Rule::day() const -{ - return starting_at_.day(); -} - -date::month -detail::Rule::month() const -{ - return starting_at_.month(); -} - -struct find_rule_by_name -{ - bool operator()(const Rule& x, const std::string& nm) const - { - return x.name() < nm; - } - - bool operator()(const std::string& nm, const Rule& x) const - { - return nm < x.name(); - } -}; - -bool -detail::Rule::overlaps(const Rule& x, const Rule& y) -{ - // assume x.starting_year_ <= y.starting_year_; - if (!(x.starting_year_ <= y.starting_year_)) - { - std::cerr << x << '\n'; - std::cerr << y << '\n'; - assert(x.starting_year_ <= y.starting_year_); - } - if (y.starting_year_ > x.ending_year_) - return false; - return !(x.starting_year_ == y.starting_year_ && x.ending_year_ == y.ending_year_); -} - -void -detail::Rule::split(std::vector<Rule>& rules, std::size_t i, std::size_t k, std::size_t& e) -{ - using namespace date; - using difference_type = std::vector<Rule>::iterator::difference_type; - // rules[i].starting_year_ <= rules[k].starting_year_ && - // rules[i].ending_year_ >= rules[k].starting_year_ && - // (rules[i].starting_year_ != rules[k].starting_year_ || - // rules[i].ending_year_ != rules[k].ending_year_) - assert(rules[i].starting_year_ <= rules[k].starting_year_ && - rules[i].ending_year_ >= rules[k].starting_year_ && - (rules[i].starting_year_ != rules[k].starting_year_ || - rules[i].ending_year_ != rules[k].ending_year_)); - if (rules[i].starting_year_ == rules[k].starting_year_) - { - if (rules[k].ending_year_ < rules[i].ending_year_) - { - rules.insert(rules.begin() + static_cast<difference_type>(k+1), - Rule(rules[i], rules[k].ending_year_ + years{1}, - std::move(rules[i].ending_year_))); - ++e; - rules[i].ending_year_ = rules[k].ending_year_; - } - else // rules[k].ending_year_ > rules[i].ending_year_ - { - rules.insert(rules.begin() + static_cast<difference_type>(k+1), - Rule(rules[k], rules[i].ending_year_ + years{1}, - std::move(rules[k].ending_year_))); - ++e; - rules[k].ending_year_ = rules[i].ending_year_; - } - } - else // rules[i].starting_year_ < rules[k].starting_year_ - { - if (rules[k].ending_year_ < rules[i].ending_year_) - { - rules.insert(rules.begin() + static_cast<difference_type>(k), - Rule(rules[i], rules[k].starting_year_, rules[k].ending_year_)); - ++k; - rules.insert(rules.begin() + static_cast<difference_type>(k+1), - Rule(rules[i], rules[k].ending_year_ + years{1}, - std::move(rules[i].ending_year_))); - rules[i].ending_year_ = rules[k].starting_year_ - years{1}; - e += 2; - } - else if (rules[k].ending_year_ > rules[i].ending_year_) - { - rules.insert(rules.begin() + static_cast<difference_type>(k), - Rule(rules[i], rules[k].starting_year_, rules[i].ending_year_)); - ++k; - rules.insert(rules.begin() + static_cast<difference_type>(k+1), - Rule(rules[k], rules[i].ending_year_ + years{1}, - std::move(rules[k].ending_year_))); - e += 2; - rules[k].ending_year_ = std::move(rules[i].ending_year_); - rules[i].ending_year_ = rules[k].starting_year_ - years{1}; - } - else // rules[k].ending_year_ == rules[i].ending_year_ - { - rules.insert(rules.begin() + static_cast<difference_type>(k), - Rule(rules[i], rules[k].starting_year_, - std::move(rules[i].ending_year_))); - ++k; - ++e; - rules[i].ending_year_ = rules[k].starting_year_ - years{1}; - } - } -} - -void -detail::Rule::split_overlaps(std::vector<Rule>& rules, std::size_t i, std::size_t& e) -{ - using difference_type = std::vector<Rule>::iterator::difference_type; - auto j = i; - for (; i + 1 < e; ++i) - { - for (auto k = i + 1; k < e; ++k) - { - if (overlaps(rules[i], rules[k])) - { - split(rules, i, k, e); - std::sort(rules.begin() + static_cast<difference_type>(i), - rules.begin() + static_cast<difference_type>(e)); - } - } - } - for (; j < e; ++j) - { - if (rules[j].starting_year() == rules[j].ending_year()) - rules[j].starting_at_.canonicalize(rules[j].starting_year()); - } -} - -void -detail::Rule::split_overlaps(std::vector<Rule>& rules) -{ - using difference_type = std::vector<Rule>::iterator::difference_type; - for (std::size_t i = 0; i < rules.size();) - { - auto e = static_cast<std::size_t>(std::upper_bound( - rules.cbegin()+static_cast<difference_type>(i), rules.cend(), rules[i].name(), - [](const std::string& nm, const Rule& x) - { - return nm < x.name(); - }) - rules.cbegin()); - split_overlaps(rules, i, e); - auto first_rule = rules.begin() + static_cast<difference_type>(i); - auto last_rule = rules.begin() + static_cast<difference_type>(e); - auto t = std::lower_bound(first_rule, last_rule, min_year); - if (t > first_rule+1) - { - if (t == last_rule || t->starting_year() >= min_year) - --t; - auto d = static_cast<std::size_t>(t - first_rule); - rules.erase(first_rule, t); - e -= d; - } - first_rule = rules.begin() + static_cast<difference_type>(i); - last_rule = rules.begin() + static_cast<difference_type>(e); - t = std::upper_bound(first_rule, last_rule, max_year); - if (t != last_rule) - { - auto d = static_cast<std::size_t>(last_rule - t); - rules.erase(t, last_rule); - e -= d; - } - i = e; - } - rules.shrink_to_fit(); -} - -// Find the rule that comes chronologically before Rule r. For multi-year rules, -// y specifies which rules in r. For single year rules, y is assumed to be equal -// to the year specified by r. -// Returns a pointer to the chronologically previous rule, and the year within -// that rule. If there is no previous rule, returns nullptr and year::min(). -// Preconditions: -// r->starting_year() <= y && y <= r->ending_year() -static -std::pair<const Rule*, date::year> -find_previous_rule(const Rule* r, date::year y) -{ - using namespace date; - auto const& rules = get_tzdb().rules; - if (y == r->starting_year()) - { - if (r == &rules.front() || r->name() != r[-1].name()) - std::terminate(); // never called with first rule - --r; - if (y == r->starting_year()) - return {r, y}; - return {r, r->ending_year()}; - } - if (r == &rules.front() || r->name() != r[-1].name() || - r[-1].starting_year() < r->starting_year()) - { - while (r < &rules.back() && r->name() == r[1].name() && - r->starting_year() == r[1].starting_year()) - ++r; - return {r, --y}; - } - --r; - return {r, y}; -} - -// Find the rule that comes chronologically after Rule r. For multi-year rules, -// y specifies which rules in r. For single year rules, y is assumed to be equal -// to the year specified by r. -// Returns a pointer to the chronologically next rule, and the year within -// that rule. If there is no next rule, return a pointer to a defaulted rule -// and y+1. -// Preconditions: -// first <= r && r < last && r->starting_year() <= y && y <= r->ending_year() -// [first, last) all have the same name -static -std::pair<const Rule*, date::year> -find_next_rule(const Rule* first_rule, const Rule* last_rule, const Rule* r, date::year y) -{ - using namespace date; - if (y == r->ending_year()) - { - if (r == last_rule-1) - return {nullptr, year::max()}; - ++r; - if (y == r->ending_year()) - return {r, y}; - return {r, r->starting_year()}; - } - if (r == last_rule-1 || r->ending_year() < r[1].ending_year()) - { - while (r > first_rule && r->starting_year() == r[-1].starting_year()) - --r; - return {r, ++y}; - } - ++r; - return {r, y}; -} - -// Find the rule that comes chronologically after Rule r. For multi-year rules, -// y specifies which rules in r. For single year rules, y is assumed to be equal -// to the year specified by r. -// Returns a pointer to the chronologically next rule, and the year within -// that rule. If there is no next rule, return nullptr and year::max(). -// Preconditions: -// r->starting_year() <= y && y <= r->ending_year() -static -std::pair<const Rule*, date::year> -find_next_rule(const Rule* r, date::year y) -{ - using namespace date; - auto const& rules = get_tzdb().rules; - if (y == r->ending_year()) - { - if (r == &rules.back() || r->name() != r[1].name()) - return {nullptr, year::max()}; - ++r; - if (y == r->ending_year()) - return {r, y}; - return {r, r->starting_year()}; - } - if (r == &rules.back() || r->name() != r[1].name() || - r->ending_year() < r[1].ending_year()) - { - while (r > &rules.front() && r->name() == r[-1].name() && - r->starting_year() == r[-1].starting_year()) - --r; - return {r, ++y}; - } - ++r; - return {r, y}; -} - -static -const Rule* -find_first_std_rule(const std::pair<const Rule*, const Rule*>& eqr) -{ - auto r = eqr.first; - auto ry = r->starting_year(); - while (r->save() != std::chrono::minutes{0}) - { - std::tie(r, ry) = find_next_rule(eqr.first, eqr.second, r, ry); - if (r == nullptr) - throw std::runtime_error("Could not find standard offset in rule " - + eqr.first->name()); - } - return r; -} - -static -std::pair<const Rule*, date::year> -find_rule_for_zone(const std::pair<const Rule*, const Rule*>& eqr, - const date::year& y, const std::chrono::seconds& offset, - const MonthDayTime& mdt) -{ - assert(eqr.first != nullptr); - assert(eqr.second != nullptr); - - using namespace std::chrono; - using namespace date; - auto r = eqr.first; - auto ry = r->starting_year(); - auto prev_save = minutes{0}; - auto prev_year = year::min(); - const Rule* prev_rule = nullptr; - while (r != nullptr) - { - if (mdt.compare(y, r->mdt(), ry, offset, prev_save) <= 0) - break; - prev_rule = r; - prev_year = ry; - prev_save = prev_rule->save(); - std::tie(r, ry) = find_next_rule(eqr.first, eqr.second, r, ry); - } - return {prev_rule, prev_year}; -} - -static -std::pair<const Rule*, date::year> -find_rule_for_zone(const std::pair<const Rule*, const Rule*>& eqr, - const sys_seconds& tp_utc, - const local_seconds& tp_std, - const local_seconds& tp_loc) -{ - using namespace std::chrono; - using namespace date; - auto r = eqr.first; - auto ry = r->starting_year(); - auto prev_save = minutes{0}; - auto prev_year = year::min(); - const Rule* prev_rule = nullptr; - while (r != nullptr) - { - bool found = false; - switch (r->mdt().zone()) - { - case tz::utc: - found = tp_utc < r->mdt().to_time_point(ry); - break; - case tz::standard: - found = sys_seconds{tp_std.time_since_epoch()} < r->mdt().to_time_point(ry); - break; - case tz::local: - found = sys_seconds{tp_loc.time_since_epoch()} < r->mdt().to_time_point(ry); - break; - } - if (found) - break; - prev_rule = r; - prev_year = ry; - prev_save = prev_rule->save(); - std::tie(r, ry) = find_next_rule(eqr.first, eqr.second, r, ry); - } - return {prev_rule, prev_year}; -} - -static -sys_info -find_rule(const std::pair<const Rule*, date::year>& first_rule, - const std::pair<const Rule*, date::year>& last_rule, - const date::year& y, const std::chrono::seconds& offset, - const MonthDayTime& mdt, const std::chrono::minutes& initial_save, - const std::string& initial_abbrev) -{ - using namespace std::chrono; - using namespace date; - auto r = first_rule.first; - auto ry = first_rule.second; - sys_info x{sys_days(year::min()/min_day), sys_days(year::max()/max_day), - seconds{0}, initial_save, initial_abbrev}; - while (r != nullptr) - { - auto tr = r->mdt().to_sys(ry, offset, x.save); - auto tx = mdt.to_sys(y, offset, x.save); - // Find last rule where tx >= tr - if (tx <= tr || (r == last_rule.first && ry == last_rule.second)) - { - if (tx < tr && r == first_rule.first && ry == first_rule.second) - { - x.end = r->mdt().to_sys(ry, offset, x.save); - break; - } - if (tx < tr) - { - std::tie(r, ry) = find_previous_rule(r, ry); // can't return nullptr for r - assert(r != nullptr); - } - // r != nullptr && tx >= tr (if tr were to be recomputed) - auto prev_save = initial_save; - if (!(r == first_rule.first && ry == first_rule.second)) - prev_save = find_previous_rule(r, ry).first->save(); - x.begin = r->mdt().to_sys(ry, offset, prev_save); - x.save = r->save(); - x.abbrev = r->abbrev(); - if (!(r == last_rule.first && ry == last_rule.second)) - { - std::tie(r, ry) = find_next_rule(r, ry); // can't return nullptr for r - assert(r != nullptr); - x.end = r->mdt().to_sys(ry, offset, x.save); - } - else - x.end = sys_days(year::max()/max_day); - break; - } - x.save = r->save(); - std::tie(r, ry) = find_next_rule(r, ry); // Can't return nullptr for r - assert(r != nullptr); - } - return x; -} - -// zonelet - -detail::zonelet::~zonelet() -{ -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - using minutes = std::chrono::minutes; - using string = std::string; - if (tag_ == has_save) - u.save_.~minutes(); - else - u.rule_.~string(); -#endif -} - -detail::zonelet::zonelet() -{ -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - ::new(&u.rule_) std::string(); -#endif -} - -detail::zonelet::zonelet(const zonelet& i) - : gmtoff_(i.gmtoff_) - , tag_(i.tag_) - , format_(i.format_) - , until_year_(i.until_year_) - , until_date_(i.until_date_) - , until_utc_(i.until_utc_) - , until_std_(i.until_std_) - , until_loc_(i.until_loc_) - , initial_save_(i.initial_save_) - , initial_abbrev_(i.initial_abbrev_) - , first_rule_(i.first_rule_) - , last_rule_(i.last_rule_) -{ -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - if (tag_ == has_save) - ::new(&u.save_) std::chrono::minutes(i.u.save_); - else - ::new(&u.rule_) std::string(i.u.rule_); -#else - if (tag_ == has_save) - u.save_ = i.u.save_; - else - u.rule_ = i.u.rule_; -#endif -} - -#endif // !USE_OS_TZDB - -// time_zone - -#if USE_OS_TZDB - -time_zone::time_zone(const std::string& s, detail::undocumented) - : name_(s) - , adjusted_(new std::once_flag{}) -{ -} - -enum class endian -{ - native = __BYTE_ORDER__, - little = __ORDER_LITTLE_ENDIAN__, - big = __ORDER_BIG_ENDIAN__ -}; - -static -inline -std::uint32_t -reverse_bytes(std::uint32_t i) -{ - return - (i & 0xff000000u) >> 24 | - (i & 0x00ff0000u) >> 8 | - (i & 0x0000ff00u) << 8 | - (i & 0x000000ffu) << 24; -} - -static -inline -std::uint64_t -reverse_bytes(std::uint64_t i) -{ - return - (i & 0xff00000000000000ull) >> 56 | - (i & 0x00ff000000000000ull) >> 40 | - (i & 0x0000ff0000000000ull) >> 24 | - (i & 0x000000ff00000000ull) >> 8 | - (i & 0x00000000ff000000ull) << 8 | - (i & 0x0000000000ff0000ull) << 24 | - (i & 0x000000000000ff00ull) << 40 | - (i & 0x00000000000000ffull) << 56; -} - -template <class T> -static -inline -void -maybe_reverse_bytes(T&, std::false_type) -{ -} - -static -inline -void -maybe_reverse_bytes(std::int32_t& t, std::true_type) -{ - t = static_cast<std::int32_t>(reverse_bytes(static_cast<std::uint32_t>(t))); -} - -static -inline -void -maybe_reverse_bytes(std::int64_t& t, std::true_type) -{ - t = static_cast<std::int64_t>(reverse_bytes(static_cast<std::uint64_t>(t))); -} - -template <class T> -static -inline -void -maybe_reverse_bytes(T& t) -{ - maybe_reverse_bytes(t, std::integral_constant<bool, - endian::native == endian::little>{}); -} - -static -void -load_header(std::istream& inf) -{ - // Read TZif - auto t = inf.get(); - auto z = inf.get(); - auto i = inf.get(); - auto f = inf.get(); -#ifndef NDEBUG - assert(t == 'T'); - assert(z == 'Z'); - assert(i == 'i'); - assert(f == 'f'); -#else - (void)t; - (void)z; - (void)i; - (void)f; -#endif -} - -static -unsigned char -load_version(std::istream& inf) -{ - // Read version - auto v = inf.get(); - assert(v != EOF); - return static_cast<unsigned char>(v); -} - -static -void -skip_reserve(std::istream& inf) -{ - inf.ignore(15); -} - -static -void -load_counts(std::istream& inf, - std::int32_t& tzh_ttisgmtcnt, std::int32_t& tzh_ttisstdcnt, - std::int32_t& tzh_leapcnt, std::int32_t& tzh_timecnt, - std::int32_t& tzh_typecnt, std::int32_t& tzh_charcnt) -{ - // Read counts; - inf.read(reinterpret_cast<char*>(&tzh_ttisgmtcnt), 4); - maybe_reverse_bytes(tzh_ttisgmtcnt); - inf.read(reinterpret_cast<char*>(&tzh_ttisstdcnt), 4); - maybe_reverse_bytes(tzh_ttisstdcnt); - inf.read(reinterpret_cast<char*>(&tzh_leapcnt), 4); - maybe_reverse_bytes(tzh_leapcnt); - inf.read(reinterpret_cast<char*>(&tzh_timecnt), 4); - maybe_reverse_bytes(tzh_timecnt); - inf.read(reinterpret_cast<char*>(&tzh_typecnt), 4); - maybe_reverse_bytes(tzh_typecnt); - inf.read(reinterpret_cast<char*>(&tzh_charcnt), 4); - maybe_reverse_bytes(tzh_charcnt); -} - -template <class TimeType> -static -std::vector<detail::transition> -load_transitions(std::istream& inf, std::int32_t tzh_timecnt) -{ - // Read transitions - using namespace std::chrono; - std::vector<detail::transition> transitions; - transitions.reserve(static_cast<unsigned>(tzh_timecnt)); - for (std::int32_t i = 0; i < tzh_timecnt; ++i) - { - TimeType t; - inf.read(reinterpret_cast<char*>(&t), sizeof(t)); - maybe_reverse_bytes(t); - transitions.emplace_back(sys_seconds{seconds{t}}); - if (transitions.back().timepoint < min_seconds) - transitions.back().timepoint = min_seconds; - } - return transitions; -} - -static -std::vector<std::uint8_t> -load_indices(std::istream& inf, std::int32_t tzh_timecnt) -{ - // Read indices - std::vector<std::uint8_t> indices; - indices.reserve(static_cast<unsigned>(tzh_timecnt)); - for (std::int32_t i = 0; i < tzh_timecnt; ++i) - { - std::uint8_t t; - inf.read(reinterpret_cast<char*>(&t), sizeof(t)); - indices.emplace_back(t); - } - return indices; -} - -static -std::vector<ttinfo> -load_ttinfo(std::istream& inf, std::int32_t tzh_typecnt) -{ - // Read ttinfo - std::vector<ttinfo> ttinfos; - ttinfos.reserve(static_cast<unsigned>(tzh_typecnt)); - for (std::int32_t i = 0; i < tzh_typecnt; ++i) - { - ttinfo t; - inf.read(reinterpret_cast<char*>(&t), 6); - maybe_reverse_bytes(t.tt_gmtoff); - ttinfos.emplace_back(t); - } - return ttinfos; -} - -static -std::string -load_abbreviations(std::istream& inf, std::int32_t tzh_charcnt) -{ - // Read abbreviations - std::string abbrev; - abbrev.resize(static_cast<unsigned>(tzh_charcnt), '\0'); - inf.read(&abbrev[0], tzh_charcnt); - return abbrev; -} - -#if !MISSING_LEAP_SECONDS - -template <class TimeType> -static -std::vector<leap_second> -load_leaps(std::istream& inf, std::int32_t tzh_leapcnt) -{ - // Read tzh_leapcnt pairs - using namespace std::chrono; - std::vector<leap_second> leap_seconds; - leap_seconds.reserve(static_cast<std::size_t>(tzh_leapcnt)); - for (std::int32_t i = 0; i < tzh_leapcnt; ++i) - { - TimeType t0; - std::int32_t t1; - inf.read(reinterpret_cast<char*>(&t0), sizeof(t0)); - inf.read(reinterpret_cast<char*>(&t1), sizeof(t1)); - maybe_reverse_bytes(t0); - maybe_reverse_bytes(t1); - leap_seconds.emplace_back(sys_seconds{seconds{t0 - (t1-1)}}, - detail::undocumented{}); - } - return leap_seconds; -} - -template <class TimeType> -static -std::vector<leap_second> -load_leap_data(std::istream& inf, - std::int32_t tzh_leapcnt, std::int32_t tzh_timecnt, - std::int32_t tzh_typecnt, std::int32_t tzh_charcnt) -{ - inf.ignore(tzh_timecnt*static_cast<std::int32_t>(sizeof(TimeType)) + tzh_timecnt + - tzh_typecnt*6 + tzh_charcnt); - return load_leaps<TimeType>(inf, tzh_leapcnt); -} - -static -std::vector<leap_second> -load_just_leaps(std::istream& inf) -{ - // Read tzh_leapcnt pairs - using namespace std::chrono; - load_header(inf); - auto v = load_version(inf); - std::int32_t tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt; - skip_reserve(inf); - load_counts(inf, tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt); - if (v == 0) - return load_leap_data<int32_t>(inf, tzh_leapcnt, tzh_timecnt, tzh_typecnt, - tzh_charcnt); -#if !defined(NDEBUG) - inf.ignore((4+1)*tzh_timecnt + 6*tzh_typecnt + tzh_charcnt + 8*tzh_leapcnt + - tzh_ttisstdcnt + tzh_ttisgmtcnt); - load_header(inf); - auto v2 = load_version(inf); - assert(v == v2); - skip_reserve(inf); -#else // defined(NDEBUG) - inf.ignore((4+1)*tzh_timecnt + 6*tzh_typecnt + tzh_charcnt + 8*tzh_leapcnt + - tzh_ttisstdcnt + tzh_ttisgmtcnt + (4+1+15)); -#endif // defined(NDEBUG) - load_counts(inf, tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt); - return load_leap_data<int64_t>(inf, tzh_leapcnt, tzh_timecnt, tzh_typecnt, - tzh_charcnt); -} - -#endif // !MISSING_LEAP_SECONDS - -template <class TimeType> -void -time_zone::load_data(std::istream& inf, - std::int32_t tzh_leapcnt, std::int32_t tzh_timecnt, - std::int32_t tzh_typecnt, std::int32_t tzh_charcnt) -{ - using namespace std::chrono; - transitions_ = load_transitions<TimeType>(inf, tzh_timecnt); - auto indices = load_indices(inf, tzh_timecnt); - auto infos = load_ttinfo(inf, tzh_typecnt); - auto abbrev = load_abbreviations(inf, tzh_charcnt); -#if !MISSING_LEAP_SECONDS - auto& leap_seconds = get_tzdb_list().front().leap_seconds; - if (leap_seconds.empty() && tzh_leapcnt > 0) - leap_seconds = load_leaps<TimeType>(inf, tzh_leapcnt); -#endif - ttinfos_.reserve(infos.size()); - for (auto& info : infos) - { - ttinfos_.push_back({seconds{info.tt_gmtoff}, - abbrev.c_str() + info.tt_abbrind, - info.tt_isdst != 0}); - } - auto i = 0u; - if (transitions_.empty() || transitions_.front().timepoint != min_seconds) - { - transitions_.emplace(transitions_.begin(), min_seconds); - auto tf = std::find_if(ttinfos_.begin(), ttinfos_.end(), - [](const expanded_ttinfo& ti) - {return ti.is_dst == 0;}); - if (tf == ttinfos_.end()) - tf = ttinfos_.begin(); - transitions_[i].info = &*tf; - ++i; - } - for (auto j = 0u; i < transitions_.size(); ++i, ++j) - transitions_[i].info = ttinfos_.data() + indices[j]; -} - -void -time_zone::init_impl() -{ - using namespace std; - using namespace std::chrono; - auto name = get_tz_dir() + ('/' + name_); - std::ifstream inf(name); - if (!inf.is_open()) - throw std::runtime_error{"Unable to open " + name}; - inf.exceptions(std::ios::failbit | std::ios::badbit); - load_header(inf); - auto v = load_version(inf); - std::int32_t tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt; - skip_reserve(inf); - load_counts(inf, tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt); - if (v == 0) - { - load_data<int32_t>(inf, tzh_leapcnt, tzh_timecnt, tzh_typecnt, tzh_charcnt); - } - else - { -#if !defined(NDEBUG) - inf.ignore((4+1)*tzh_timecnt + 6*tzh_typecnt + tzh_charcnt + 8*tzh_leapcnt + - tzh_ttisstdcnt + tzh_ttisgmtcnt); - load_header(inf); - auto v2 = load_version(inf); - assert(v == v2); - skip_reserve(inf); -#else // defined(NDEBUG) - inf.ignore((4+1)*tzh_timecnt + 6*tzh_typecnt + tzh_charcnt + 8*tzh_leapcnt + - tzh_ttisstdcnt + tzh_ttisgmtcnt + (4+1+15)); -#endif // defined(NDEBUG) - load_counts(inf, tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt, - tzh_timecnt, tzh_typecnt, tzh_charcnt); - load_data<int64_t>(inf, tzh_leapcnt, tzh_timecnt, tzh_typecnt, tzh_charcnt); - } -#if !MISSING_LEAP_SECONDS - if (tzh_leapcnt > 0) - { - auto& leap_seconds = get_tzdb_list().front().leap_seconds; - auto itr = leap_seconds.begin(); - auto l = itr->date(); - seconds leap_count{0}; - for (auto t = std::upper_bound(transitions_.begin(), transitions_.end(), l, - [](const sys_seconds& x, const transition& ct) - { - return x < ct.timepoint; - }); - t != transitions_.end(); ++t) - { - while (t->timepoint >= l) - { - ++leap_count; - if (++itr == leap_seconds.end()) - l = sys_days(max_year/max_day); - else - l = itr->date() + leap_count; - } - t->timepoint -= leap_count; - } - } -#endif // !MISSING_LEAP_SECONDS - auto b = transitions_.begin(); - auto i = transitions_.end(); - if (i != b) - { - for (--i; i != b; --i) - { - if (i->info->offset == i[-1].info->offset && - i->info->abbrev == i[-1].info->abbrev && - i->info->is_dst == i[-1].info->is_dst) - i = transitions_.erase(i); - } - } -} - -void -time_zone::init() const -{ - std::call_once(*adjusted_, [this]() {const_cast<time_zone*>(this)->init_impl();}); -} - -sys_info -time_zone::load_sys_info(std::vector<detail::transition>::const_iterator i) const -{ - using namespace std::chrono; - assert(!transitions_.empty()); - assert(i != transitions_.begin()); - sys_info r; - r.begin = i[-1].timepoint; - r.end = i != transitions_.end() ? i->timepoint : - sys_seconds(sys_days(year::max()/max_day)); - r.offset = i[-1].info->offset; - r.save = i[-1].info->is_dst ? minutes{1} : minutes{0}; - r.abbrev = i[-1].info->abbrev; - return r; -} - -sys_info -time_zone::get_info_impl(sys_seconds tp) const -{ - using namespace std; - init(); - return load_sys_info(upper_bound(transitions_.begin(), transitions_.end(), tp, - [](const sys_seconds& x, const transition& t) - { - return x < t.timepoint; - })); -} - -local_info -time_zone::get_info_impl(local_seconds tp) const -{ - using namespace std::chrono; - init(); - local_info i; - i.result = local_info::unique; - auto tr = upper_bound(transitions_.begin(), transitions_.end(), tp, - [](const local_seconds& x, const transition& t) - { - return sys_seconds{x.time_since_epoch()} - - t.info->offset < t.timepoint; - }); - i.first = load_sys_info(tr); - auto tps = sys_seconds{(tp - i.first.offset).time_since_epoch()}; - if (tps < i.first.begin + days{1} && tr != transitions_.begin()) - { - i.second = load_sys_info(--tr); - tps = sys_seconds{(tp - i.second.offset).time_since_epoch()}; - if (tps < i.second.end) - { - i.result = local_info::ambiguous; - std::swap(i.first, i.second); - } - else - { - i.second = {}; - } - } - else if (tps >= i.first.end && tr != transitions_.end()) - { - i.second = load_sys_info(++tr); - tps = sys_seconds{(tp - i.second.offset).time_since_epoch()}; - if (tps < i.second.begin) - i.result = local_info::nonexistent; - else - i.second = {}; - } - return i; -} - -std::ostream& -operator<<(std::ostream& os, const time_zone& z) -{ - using namespace std::chrono; - z.init(); - os << z.name_ << '\n'; - os << "Initially: "; - auto const& t = z.transitions_.front(); - if (t.info->offset >= seconds{0}) - os << '+'; - os << make_time(t.info->offset); - if (t.info->is_dst > 0) - os << " daylight "; - else - os << " standard "; - os << t.info->abbrev << '\n'; - for (auto i = std::next(z.transitions_.cbegin()); i < z.transitions_.cend(); ++i) - os << *i << '\n'; - return os; -} - -#if !MISSING_LEAP_SECONDS - -leap_second::leap_second(const sys_seconds& s, detail::undocumented) - : date_(s) -{ -} - -#endif // !MISSING_LEAP_SECONDS - -#else // !USE_OS_TZDB - -time_zone::time_zone(const std::string& s, detail::undocumented) - : adjusted_(new std::once_flag{}) -{ - try - { - using namespace date; - std::istringstream in(s); - in.exceptions(std::ios::failbit | std::ios::badbit); - std::string word; - in >> word >> name_; - parse_info(in); - } - catch (...) - { - std::cerr << s << '\n'; - std::cerr << *this << '\n'; - zonelets_.pop_back(); - throw; - } -} - -sys_info -time_zone::get_info_impl(sys_seconds tp) const -{ - return get_info_impl(tp, static_cast<int>(tz::utc)); -} - -local_info -time_zone::get_info_impl(local_seconds tp) const -{ - using namespace std::chrono; - local_info i{}; - i.first = get_info_impl(sys_seconds{tp.time_since_epoch()}, static_cast<int>(tz::local)); - auto tps = sys_seconds{(tp - i.first.offset).time_since_epoch()}; - if (tps < i.first.begin) - { - i.second = std::move(i.first); - i.first = get_info_impl(i.second.begin - seconds{1}, static_cast<int>(tz::utc)); - i.result = local_info::nonexistent; - } - else if (i.first.end - tps <= days{1}) - { - i.second = get_info_impl(i.first.end, static_cast<int>(tz::utc)); - tps = sys_seconds{(tp - i.second.offset).time_since_epoch()}; - if (tps >= i.second.begin) - i.result = local_info::ambiguous; - else - i.second = {}; - } - return i; -} - -void -time_zone::add(const std::string& s) -{ - try - { - std::istringstream in(s); - in.exceptions(std::ios::failbit | std::ios::badbit); - ws(in); - if (!in.eof() && in.peek() != '#') - parse_info(in); - } - catch (...) - { - std::cerr << s << '\n'; - std::cerr << *this << '\n'; - zonelets_.pop_back(); - throw; - } -} - -void -time_zone::parse_info(std::istream& in) -{ - using namespace date; - using namespace std::chrono; - zonelets_.emplace_back(); - auto& zonelet = zonelets_.back(); - zonelet.gmtoff_ = parse_signed_time(in); - in >> zonelet.u.rule_; - if (zonelet.u.rule_ == "-") - zonelet.u.rule_.clear(); - in >> zonelet.format_; - if (!in.eof()) - ws(in); - if (in.eof() || in.peek() == '#') - { - zonelet.until_year_ = year::max(); - zonelet.until_date_ = MonthDayTime(max_day, tz::utc); - } - else - { - int y; - in >> y; - zonelet.until_year_ = year{y}; - in >> zonelet.until_date_; - zonelet.until_date_.canonicalize(zonelet.until_year_); - } - if ((zonelet.until_year_ < min_year) || - (zonelets_.size() > 1 && zonelets_.end()[-2].until_year_ > max_year)) - zonelets_.pop_back(); -} - -void -time_zone::adjust_infos(const std::vector<Rule>& rules) -{ - using namespace std::chrono; - using namespace date; - const zonelet* prev_zonelet = nullptr; - for (auto& z : zonelets_) - { - std::pair<const Rule*, const Rule*> eqr{}; - std::istringstream in; - in.exceptions(std::ios::failbit | std::ios::badbit); - // Classify info as rule-based, has save, or neither - if (!z.u.rule_.empty()) - { - // Find out if this zonelet has a rule or a save - eqr = std::equal_range(rules.data(), rules.data() + rules.size(), z.u.rule_); - if (eqr.first == eqr.second) - { - // The rule doesn't exist. Assume this is a save - try - { - using namespace std::chrono; - using string = std::string; - in.str(z.u.rule_); - auto tmp = duration_cast<minutes>(parse_signed_time(in)); -#if !defined(_MSC_VER) || (_MSC_VER >= 1900) - z.u.rule_.~string(); - z.tag_ = zonelet::has_save; - ::new(&z.u.save_) minutes(tmp); -#else - z.u.rule_.clear(); - z.tag_ = zonelet::has_save; - z.u.save_ = tmp; -#endif - } - catch (...) - { - std::cerr << name_ << " : " << z.u.rule_ << '\n'; - throw; - } - } - } - else - { - // This zone::zonelet has no rule and no save - z.tag_ = zonelet::is_empty; - } - - minutes final_save{0}; - if (z.tag_ == zonelet::has_save) - { - final_save = z.u.save_; - } - else if (z.tag_ == zonelet::has_rule) - { - z.last_rule_ = find_rule_for_zone(eqr, z.until_year_, z.gmtoff_, - z.until_date_); - if (z.last_rule_.first != nullptr) - final_save = z.last_rule_.first->save(); - } - z.until_utc_ = z.until_date_.to_sys(z.until_year_, z.gmtoff_, final_save); - z.until_std_ = local_seconds{z.until_utc_.time_since_epoch()} + z.gmtoff_; - z.until_loc_ = z.until_std_ + final_save; - - if (z.tag_ == zonelet::has_rule) - { - if (prev_zonelet != nullptr) - { - z.first_rule_ = find_rule_for_zone(eqr, prev_zonelet->until_utc_, - prev_zonelet->until_std_, - prev_zonelet->until_loc_); - if (z.first_rule_.first != nullptr) - { - z.initial_save_ = z.first_rule_.first->save(); - z.initial_abbrev_ = z.first_rule_.first->abbrev(); - if (z.first_rule_ != z.last_rule_) - { - z.first_rule_ = find_next_rule(eqr.first, eqr.second, - z.first_rule_.first, - z.first_rule_.second); - } - else - { - z.first_rule_ = std::make_pair(nullptr, year::min()); - z.last_rule_ = std::make_pair(nullptr, year::max()); - } - } - } - if (z.first_rule_.first == nullptr && z.last_rule_.first != nullptr) - { - z.first_rule_ = std::make_pair(eqr.first, eqr.first->starting_year()); - z.initial_abbrev_ = find_first_std_rule(eqr)->abbrev(); - } - } - -#ifndef NDEBUG - if (z.first_rule_.first == nullptr) - { - assert(z.first_rule_.second == year::min()); - assert(z.last_rule_.first == nullptr); - assert(z.last_rule_.second == year::max()); - } - else - { - assert(z.last_rule_.first != nullptr); - } -#endif - prev_zonelet = &z; - } -} - -static -std::string -format_abbrev(std::string format, const std::string& variable, std::chrono::seconds off, - std::chrono::minutes save) -{ - using namespace std::chrono; - auto k = format.find("%s"); - if (k != std::string::npos) - { - format.replace(k, 2, variable); - } - else - { - k = format.find('/'); - if (k != std::string::npos) - { - if (save == minutes{0}) - format.erase(k); - else - format.erase(0, k+1); - } - else - { - k = format.find("%z"); - if (k != std::string::npos) - { - std::string temp; - if (off < seconds{0}) - { - temp = '-'; - off = -off; - } - else - temp = '+'; - auto h = date::floor<hours>(off); - off -= h; - if (h < hours{10}) - temp += '0'; - temp += std::to_string(h.count()); - if (off > seconds{0}) - { - auto m = date::floor<minutes>(off); - off -= m; - if (m < minutes{10}) - temp += '0'; - temp += std::to_string(m.count()); - if (off > seconds{0}) - { - if (off < seconds{10}) - temp += '0'; - temp += std::to_string(off.count()); - } - } - format.replace(k, 2, temp); - } - } - } - return format; -} - -sys_info -time_zone::get_info_impl(sys_seconds tp, int tz_int) const -{ - using namespace std::chrono; - using namespace date; - tz timezone = static_cast<tz>(tz_int); - assert(timezone != tz::standard); - auto y = year_month_day(floor<days>(tp)).year(); - if (y < min_year || y > max_year) - throw std::runtime_error("The year " + std::to_string(static_cast<int>(y)) + - " is out of range:[" + std::to_string(static_cast<int>(min_year)) + ", " - + std::to_string(static_cast<int>(max_year)) + "]"); - std::call_once(*adjusted_, - [this]() - { - const_cast<time_zone*>(this)->adjust_infos(get_tzdb().rules); - }); - auto i = std::upper_bound(zonelets_.begin(), zonelets_.end(), tp, - [timezone](sys_seconds t, const zonelet& zl) - { - return timezone == tz::utc ? t < zl.until_utc_ : - t < sys_seconds{zl.until_loc_.time_since_epoch()}; - }); - - sys_info r{}; - if (i != zonelets_.end()) - { - if (i->tag_ == zonelet::has_save) - { - if (i != zonelets_.begin()) - r.begin = i[-1].until_utc_; - else - r.begin = sys_days(year::min()/min_day); - r.end = i->until_utc_; - r.offset = i->gmtoff_ + i->u.save_; - r.save = i->u.save_; - } - else if (i->u.rule_.empty()) - { - if (i != zonelets_.begin()) - r.begin = i[-1].until_utc_; - else - r.begin = sys_days(year::min()/min_day); - r.end = i->until_utc_; - r.offset = i->gmtoff_; - } - else - { - r = find_rule(i->first_rule_, i->last_rule_, y, i->gmtoff_, - MonthDayTime(local_seconds{tp.time_since_epoch()}, timezone), - i->initial_save_, i->initial_abbrev_); - r.offset = i->gmtoff_ + r.save; - if (i != zonelets_.begin() && r.begin < i[-1].until_utc_) - r.begin = i[-1].until_utc_; - if (r.end > i->until_utc_) - r.end = i->until_utc_; - } - r.abbrev = format_abbrev(i->format_, r.abbrev, r.offset, r.save); - assert(r.begin < r.end); - } - return r; -} - -std::ostream& -operator<<(std::ostream& os, const time_zone& z) -{ - using namespace date; - using namespace std::chrono; - detail::save_ostream<char> _(os); - os.fill(' '); - os.flags(std::ios::dec | std::ios::left); - std::call_once(*z.adjusted_, - [&z]() - { - const_cast<time_zone&>(z).adjust_infos(get_tzdb().rules); - }); - os.width(35); - os << z.name_; - std::string indent; - for (auto const& s : z.zonelets_) - { - os << indent; - if (s.gmtoff_ >= seconds{0}) - os << ' '; - os << make_time(s.gmtoff_) << " "; - os.width(15); - if (s.tag_ != zonelet::has_save) - os << s.u.rule_; - else - { - std::ostringstream tmp; - tmp << make_time(s.u.save_); - os << tmp.str(); - } - os.width(8); - os << s.format_ << " "; - os << s.until_year_ << ' ' << s.until_date_; - os << " " << s.until_utc_ << " UTC"; - os << " " << s.until_std_ << " STD"; - os << " " << s.until_loc_; - os << " " << make_time(s.initial_save_); - os << " " << s.initial_abbrev_; - if (s.first_rule_.first != nullptr) - os << " {" << *s.first_rule_.first << ", " << s.first_rule_.second << '}'; - else - os << " {" << "nullptr" << ", " << s.first_rule_.second << '}'; - if (s.last_rule_.first != nullptr) - os << " {" << *s.last_rule_.first << ", " << s.last_rule_.second << '}'; - else - os << " {" << "nullptr" << ", " << s.last_rule_.second << '}'; - os << '\n'; - if (indent.empty()) - indent = std::string(35, ' '); - } - return os; -} - -#endif // !USE_OS_TZDB - -#if !MISSING_LEAP_SECONDS - -std::ostream& -operator<<(std::ostream& os, const leap_second& x) -{ - using namespace date; - return os << x.date_ << " +"; -} - -#endif // !MISSING_LEAP_SECONDS - -#if USE_OS_TZDB - -# ifdef __APPLE__ -static -std::string -get_version() -{ - using namespace std; - auto path = get_tz_dir() + string("/+VERSION"); - ifstream in{path}; - string version; - in >> version; - if (in.fail()) - throw std::runtime_error("Unable to get Timezone database version from " + path); - return version; -} -# endif - -static -std::unique_ptr<tzdb> -init_tzdb() -{ - std::unique_ptr<tzdb> db(new tzdb); - - //Iterate through folders - std::queue<std::string> subfolders; - subfolders.emplace(get_tz_dir()); - struct dirent* d; - struct stat s; - while (!subfolders.empty()) - { - auto dirname = std::move(subfolders.front()); - subfolders.pop(); - auto dir = opendir(dirname.c_str()); - if (!dir) - continue; - while ((d = readdir(dir)) != nullptr) - { - // Ignore these files: - if (d->d_name[0] == '.' || // curdir, prevdir, hidden - memcmp(d->d_name, "posix", 5) == 0 || // starts with posix - strcmp(d->d_name, "Factory") == 0 || - strcmp(d->d_name, "iso3166.tab") == 0 || - strcmp(d->d_name, "right") == 0 || - strcmp(d->d_name, "+VERSION") == 0 || - strcmp(d->d_name, "zone.tab") == 0 || - strcmp(d->d_name, "zone1970.tab") == 0 || - strcmp(d->d_name, "tzdata.zi") == 0 || - strcmp(d->d_name, "leapseconds") == 0 || - strcmp(d->d_name, "leap-seconds.list") == 0 ) - continue; - auto subname = dirname + folder_delimiter + d->d_name; - if(stat(subname.c_str(), &s) == 0) - { - if(S_ISDIR(s.st_mode)) - { - if(!S_ISLNK(s.st_mode)) - { - subfolders.push(subname); - } - } - else - { - db->zones.emplace_back(subname.substr(get_tz_dir().size()+1), - detail::undocumented{}); - } - } - } - closedir(dir); - } - db->zones.shrink_to_fit(); - std::sort(db->zones.begin(), db->zones.end()); -# if !MISSING_LEAP_SECONDS - std::ifstream in(get_tz_dir() + std::string(1, folder_delimiter) + "right/UTC", - std::ios_base::binary); - if (in) - { - in.exceptions(std::ios::failbit | std::ios::badbit); - db->leap_seconds = load_just_leaps(in); - } - else - { - in.clear(); - in.open(get_tz_dir() + std::string(1, folder_delimiter) + - "UTC", std::ios_base::binary); - if (!in) - throw std::runtime_error("Unable to extract leap second information"); - in.exceptions(std::ios::failbit | std::ios::badbit); - db->leap_seconds = load_just_leaps(in); - } -# endif // !MISSING_LEAP_SECONDS -# ifdef __APPLE__ - db->version = get_version(); -# endif - return db; -} - -#else // !USE_OS_TZDB - -// time_zone_link - -time_zone_link::time_zone_link(const std::string& s) -{ - using namespace date; - std::istringstream in(s); - in.exceptions(std::ios::failbit | std::ios::badbit); - std::string word; - in >> word >> target_ >> name_; -} - -std::ostream& -operator<<(std::ostream& os, const time_zone_link& x) -{ - using namespace date; - detail::save_ostream<char> _(os); - os.fill(' '); - os.flags(std::ios::dec | std::ios::left); - os.width(35); - return os << x.name_ << " --> " << x.target_; -} - -// leap_second - -leap_second::leap_second(const std::string& s, detail::undocumented) -{ - using namespace date; - std::istringstream in(s); - in.exceptions(std::ios::failbit | std::ios::badbit); - std::string word; - int y; - MonthDayTime date; - in >> word >> y >> date; - date_ = date.to_time_point(year(y)); -} - -static -bool -file_exists(const std::string& filename) -{ -#ifdef _WIN32 - return ::_access(filename.c_str(), 0) == 0; -#else - return ::access(filename.c_str(), F_OK) == 0; -#endif -} - -#if HAS_REMOTE_API - -// CURL tools - -static -int -curl_global() -{ - if (::curl_global_init(CURL_GLOBAL_DEFAULT) != 0) - throw std::runtime_error("CURL global initialization failed"); - return 0; -} - -namespace -{ - -struct curl_deleter -{ - void operator()(CURL* p) const - { - ::curl_easy_cleanup(p); - } -}; - -} // unnamed namespace - -static -std::unique_ptr<CURL, curl_deleter> -curl_init() -{ - static const auto curl_is_now_initiailized = curl_global(); - (void)curl_is_now_initiailized; - return std::unique_ptr<CURL, curl_deleter>{::curl_easy_init()}; -} - -static -bool -download_to_string(const std::string& url, std::string& str) -{ - str.clear(); - auto curl = curl_init(); - if (!curl) - return false; - std::string version; - curl_easy_setopt(curl.get(), CURLOPT_USERAGENT, "curl"); - curl_easy_setopt(curl.get(), CURLOPT_URL, url.c_str()); - curl_write_callback write_cb = [](char* contents, std::size_t size, std::size_t nmemb, - void* userp) -> std::size_t - { - auto& userstr = *static_cast<std::string*>(userp); - auto realsize = size * nmemb; - userstr.append(contents, realsize); - return realsize; - }; - curl_easy_setopt(curl.get(), CURLOPT_WRITEFUNCTION, write_cb); - curl_easy_setopt(curl.get(), CURLOPT_WRITEDATA, &str); - curl_easy_setopt(curl.get(), CURLOPT_SSL_VERIFYPEER, false); - auto res = curl_easy_perform(curl.get()); - return (res == CURLE_OK); -} - -namespace -{ - enum class download_file_options { binary, text }; -} - -static -bool -download_to_file(const std::string& url, const std::string& local_filename, - download_file_options opts, char* error_buffer) -{ - auto curl = curl_init(); - if (!curl) - return false; - curl_easy_setopt(curl.get(), CURLOPT_URL, url.c_str()); - curl_easy_setopt(curl.get(), CURLOPT_SSL_VERIFYPEER, false); - if (error_buffer) - curl_easy_setopt(curl.get(), CURLOPT_ERRORBUFFER, error_buffer); - curl_write_callback write_cb = [](char* contents, std::size_t size, std::size_t nmemb, - void* userp) -> std::size_t - { - auto& of = *static_cast<std::ofstream*>(userp); - auto realsize = size * nmemb; - of.write(contents, static_cast<std::streamsize>(realsize)); - return realsize; - }; - curl_easy_setopt(curl.get(), CURLOPT_WRITEFUNCTION, write_cb); - decltype(curl_easy_perform(curl.get())) res; - { - std::ofstream of(local_filename, - opts == download_file_options::binary ? - std::ofstream::out | std::ofstream::binary : - std::ofstream::out); - of.exceptions(std::ios::badbit); - curl_easy_setopt(curl.get(), CURLOPT_WRITEDATA, &of); - res = curl_easy_perform(curl.get()); - } - return res == CURLE_OK; -} - -std::string -remote_version() -{ - std::string version; - std::string str; - if (download_to_string("https://www.iana.org/time-zones", str)) - { - CONSTDATA char db[] = "/time-zones/releases/tzdata"; - CONSTDATA auto db_size = sizeof(db) - 1; - auto p = str.find(db, 0, db_size); - const int ver_str_len = 5; - if (p != std::string::npos && p + (db_size + ver_str_len) <= str.size()) - version = str.substr(p + db_size, ver_str_len); - } - return version; -} - - -// TODO! Using system() create a process and a console window. -// This is useful to see what errors may occur but is slow and distracting. -// Consider implementing this functionality more directly, such as -// using _mkdir and CreateProcess etc. -// But use the current means now as matches Unix implementations and while -// in proof of concept / testing phase. -// TODO! Use <filesystem> eventually. -static -bool -remove_folder_and_subfolders(const std::string& folder) -{ -# ifdef _WIN32 -# if USE_SHELL_API - // Delete the folder contents by deleting the folder. - std::string cmd = "rd /s /q \""; - cmd += folder; - cmd += '\"'; - return std::system(cmd.c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - // Create a buffer containing the path to delete. It must be terminated - // by two nuls. Who designs these API's... - std::vector<char> from; - from.assign(folder.begin(), folder.end()); - from.push_back('\0'); - from.push_back('\0'); - SHFILEOPSTRUCT fo{}; // Zero initialize. - fo.wFunc = FO_DELETE; - fo.pFrom = from.data(); - fo.fFlags = FOF_NO_UI; - int ret = SHFileOperation(&fo); - if (ret == 0 && !fo.fAnyOperationsAborted) - return true; - return false; -# endif // !USE_SHELL_API -# else // !_WIN32 -# if USE_SHELL_API - return std::system(("rm -R " + folder).c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - struct dir_deleter { - dir_deleter() {} - void operator()(DIR* d) const - { - if (d != nullptr) - { - int result = closedir(d); - assert(result == 0); - } - } - }; - using closedir_ptr = std::unique_ptr<DIR, dir_deleter>; - - std::string filename; - struct stat statbuf; - std::size_t folder_len = folder.length(); - struct dirent* p = nullptr; - - closedir_ptr d(opendir(folder.c_str())); - bool r = d.get() != nullptr; - while (r && (p=readdir(d.get())) != nullptr) - { - if (strcmp(p->d_name, ".") == 0 || strcmp(p->d_name, "..") == 0) - continue; - - // + 2 for path delimiter and nul terminator. - std::size_t buf_len = folder_len + strlen(p->d_name) + 2; - filename.resize(buf_len); - std::size_t path_len = static_cast<std::size_t>( - snprintf(&filename[0], buf_len, "%s/%s", folder.c_str(), p->d_name)); - assert(path_len == buf_len - 1); - filename.resize(path_len); - - if (stat(filename.c_str(), &statbuf) == 0) - r = S_ISDIR(statbuf.st_mode) - ? remove_folder_and_subfolders(filename) - : unlink(filename.c_str()) == 0; - } - d.reset(); - - if (r) - r = rmdir(folder.c_str()) == 0; - - return r; -# endif // !USE_SHELL_API -# endif // !_WIN32 -} - -static -bool -make_directory(const std::string& folder) -{ -# ifdef _WIN32 -# if USE_SHELL_API - // Re-create the folder. - std::string cmd = "mkdir \""; - cmd += folder; - cmd += '\"'; - return std::system(cmd.c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - return _mkdir(folder.c_str()) == 0; -# endif // !USE_SHELL_API -# else // !_WIN32 -# if USE_SHELL_API - return std::system(("mkdir -p " + folder).c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - return mkdir(folder.c_str(), 0777) == 0; -# endif // !USE_SHELL_API -# endif // !_WIN32 -} - -static -bool -delete_file(const std::string& file) -{ -# ifdef _WIN32 -# if USE_SHELL_API - std::string cmd = "del \""; - cmd += file; - cmd += '\"'; - return std::system(cmd.c_str()) == 0; -# else // !USE_SHELL_API - return _unlink(file.c_str()) == 0; -# endif // !USE_SHELL_API -# else // !_WIN32 -# if USE_SHELL_API - return std::system(("rm " + file).c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - return unlink(file.c_str()) == 0; -# endif // !USE_SHELL_API -# endif // !_WIN32 -} - -# ifdef _WIN32 - -static -bool -move_file(const std::string& from, const std::string& to) -{ -# if USE_SHELL_API - std::string cmd = "move \""; - cmd += from; - cmd += "\" \""; - cmd += to; - cmd += '\"'; - return std::system(cmd.c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - return !!::MoveFile(from.c_str(), to.c_str()); -# endif // !USE_SHELL_API -} - -// Usually something like "c:\Program Files". -static -std::string -get_program_folder() -{ - return get_known_folder(FOLDERID_ProgramFiles); -} - -// Note folder can and usually does contain spaces. -static -std::string -get_unzip_program() -{ - std::string path; - - // 7-Zip appears to note its location in the registry. - // If that doesn't work, fall through and take a guess, but it will likely be wrong. - HKEY hKey = nullptr; - if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\7-Zip", 0, KEY_READ, &hKey) == ERROR_SUCCESS) - { - char value_buffer[MAX_PATH + 1]; // fyi 260 at time of writing. - // in/out parameter. Documentation say that size is a count of bytes not chars. - DWORD size = sizeof(value_buffer) - sizeof(value_buffer[0]); - DWORD tzi_type = REG_SZ; - // Testing shows Path key value is "C:\Program Files\7-Zip\" i.e. always with trailing \. - bool got_value = (RegQueryValueExA(hKey, "Path", nullptr, &tzi_type, - reinterpret_cast<LPBYTE>(value_buffer), &size) == ERROR_SUCCESS); - RegCloseKey(hKey); // Close now incase of throw later. - if (got_value) - { - // Function does not guarantee to null terminate. - value_buffer[size / sizeof(value_buffer[0])] = '\0'; - path = value_buffer; - if (!path.empty()) - { - path += "7z.exe"; - return path; - } - } - } - path += get_program_folder(); - path += folder_delimiter; - path += "7-Zip\\7z.exe"; - return path; -} - -# if !USE_SHELL_API -static -int -run_program(const std::string& command) -{ - STARTUPINFO si{}; - si.cb = sizeof(si); - PROCESS_INFORMATION pi{}; - - // Allegedly CreateProcess overwrites the command line. Ugh. - std::string mutable_command(command); - if (CreateProcess(nullptr, &mutable_command[0], - nullptr, nullptr, FALSE, CREATE_NO_WINDOW, nullptr, nullptr, &si, &pi)) - { - WaitForSingleObject(pi.hProcess, INFINITE); - DWORD exit_code; - bool got_exit_code = !!GetExitCodeProcess(pi.hProcess, &exit_code); - CloseHandle(pi.hProcess); - CloseHandle(pi.hThread); - // Not 100% sure about this still active thing is correct, - // but I'm going with it because I *think* WaitForSingleObject might - // return in some cases without INFINITE-ly waiting. - // But why/wouldn't GetExitCodeProcess return false in that case? - if (got_exit_code && exit_code != STILL_ACTIVE) - return static_cast<int>(exit_code); - } - return EXIT_FAILURE; -} -# endif // !USE_SHELL_API - -static -std::string -get_download_tar_file(const std::string& version) -{ - auto file = get_install(); - file += folder_delimiter; - file += "tzdata"; - file += version; - file += ".tar"; - return file; -} - -static -bool -extract_gz_file(const std::string& version, const std::string& gz_file, - const std::string& dest_folder) -{ - auto unzip_prog = get_unzip_program(); - bool unzip_result = false; - // Use the unzip program to extract the tar file from the archive. - - // Aim to create a string like: - // "C:\Program Files\7-Zip\7z.exe" x "C:\Users\SomeUser\Downloads\tzdata2016d.tar.gz" - // -o"C:\Users\SomeUser\Downloads\tzdata" - std::string cmd; - cmd = '\"'; - cmd += unzip_prog; - cmd += "\" x \""; - cmd += gz_file; - cmd += "\" -o\""; - cmd += dest_folder; - cmd += '\"'; - -# if USE_SHELL_API - // When using shelling out with std::system() extra quotes are required around the - // whole command. It's weird but necessary it seems, see: - // http://stackoverflow.com/q/27975969/576911 - - cmd = "\"" + cmd + "\""; - if (std::system(cmd.c_str()) == EXIT_SUCCESS) - unzip_result = true; -# else // !USE_SHELL_API - if (run_program(cmd) == EXIT_SUCCESS) - unzip_result = true; -# endif // !USE_SHELL_API - if (unzip_result) - delete_file(gz_file); - - // Use the unzip program extract the data from the tar file that was - // just extracted from the archive. - auto tar_file = get_download_tar_file(version); - cmd = '\"'; - cmd += unzip_prog; - cmd += "\" x \""; - cmd += tar_file; - cmd += "\" -o\""; - cmd += get_install(); - cmd += '\"'; -# if USE_SHELL_API - cmd = "\"" + cmd + "\""; - if (std::system(cmd.c_str()) == EXIT_SUCCESS) - unzip_result = true; -# else // !USE_SHELL_API - if (run_program(cmd) == EXIT_SUCCESS) - unzip_result = true; -# endif // !USE_SHELL_API - - if (unzip_result) - delete_file(tar_file); - - return unzip_result; -} - -static -std::string -get_download_mapping_file(const std::string& version) -{ - auto file = get_install() + version + "windowsZones.xml"; - return file; -} - -# else // !_WIN32 - -# if !USE_SHELL_API -static -int -run_program(const char* prog, const char*const args[]) -{ - pid_t pid = fork(); - if (pid == -1) // Child failed to start. - return EXIT_FAILURE; - - if (pid != 0) - { - // We are in the parent. Child started. Wait for it. - pid_t ret; - int status; - while ((ret = waitpid(pid, &status, 0)) == -1) - { - if (errno != EINTR) - break; - } - if (ret != -1) - { - if (WIFEXITED(status)) - return WEXITSTATUS(status); - } - printf("Child issues!\n"); - - return EXIT_FAILURE; // Not sure what status of child is. - } - else // We are in the child process. Start the program the parent wants to run. - { - - if (execv(prog, const_cast<char**>(args)) == -1) // Does not return. - { - perror("unreachable 0\n"); - _Exit(127); - } - printf("unreachable 2\n"); - } - printf("unreachable 2\n"); - // Unreachable. - assert(false); - exit(EXIT_FAILURE); - return EXIT_FAILURE; -} -# endif // !USE_SHELL_API - -static -bool -extract_gz_file(const std::string&, const std::string& gz_file, const std::string&) -{ -# if USE_SHELL_API - bool unzipped = std::system(("tar -xzf " + gz_file + " -C " + get_install()).c_str()) == EXIT_SUCCESS; -# else // !USE_SHELL_API - const char prog[] = {"/usr/bin/tar"}; - const char*const args[] = - { - prog, "-xzf", gz_file.c_str(), "-C", get_install().c_str(), nullptr - }; - bool unzipped = (run_program(prog, args) == EXIT_SUCCESS); -# endif // !USE_SHELL_API - if (unzipped) - { - delete_file(gz_file); - return true; - } - return false; -} - -# endif // !_WIN32 - -bool -remote_download(const std::string& version, char* error_buffer) -{ - assert(!version.empty()); - -# ifdef _WIN32 - // Download folder should be always available for Windows -# else // !_WIN32 - // Create download folder if it does not exist on UNIX system - auto download_folder = get_install(); - if (!file_exists(download_folder)) - { - if (!make_directory(download_folder)) - return false; - } -# endif // _WIN32 - - auto url = "https://data.iana.org/time-zones/releases/tzdata" + version + - ".tar.gz"; - bool result = download_to_file(url, get_download_gz_file(version), - download_file_options::binary, error_buffer); -# ifdef _WIN32 - if (result) - { - auto mapping_file = get_download_mapping_file(version); - result = download_to_file( - "https://raw.githubusercontent.com/unicode-org/cldr/master/" - "common/supplemental/windowsZones.xml", - mapping_file, download_file_options::text, error_buffer); - } -# endif // _WIN32 - return result; -} - -bool -remote_install(const std::string& version) -{ - auto success = false; - assert(!version.empty()); - - std::string install = get_install(); - auto gz_file = get_download_gz_file(version); - if (file_exists(gz_file)) - { - if (file_exists(install)) - remove_folder_and_subfolders(install); - if (make_directory(install)) - { - if (extract_gz_file(version, gz_file, install)) - success = true; -# ifdef _WIN32 - auto mapping_file_source = get_download_mapping_file(version); - auto mapping_file_dest = get_install(); - mapping_file_dest += folder_delimiter; - mapping_file_dest += "windowsZones.xml"; - if (!move_file(mapping_file_source, mapping_file_dest)) - success = false; -# endif // _WIN32 - } - } - return success; -} - -#endif // HAS_REMOTE_API - -static -std::string -get_version(const std::string& path) -{ - std::string version; - std::ifstream infile(path + "version"); - if (infile.is_open()) - { - infile >> version; - if (!infile.fail()) - return version; - } - else - { - infile.open(path + "NEWS"); - while (infile) - { - infile >> version; - if (version == "Release") - { - infile >> version; - return version; - } - } - } - throw std::runtime_error("Unable to get Timezone database version from " + path); -} - -static -std::unique_ptr<tzdb> -init_tzdb() -{ - using namespace date; - const std::string install = get_install(); - const std::string path = install + folder_delimiter; - std::string line; - bool continue_zone = false; - std::unique_ptr<tzdb> db(new tzdb); - -#if AUTO_DOWNLOAD - if (!file_exists(install)) - { - auto rv = remote_version(); - if (!rv.empty() && remote_download(rv)) - { - if (!remote_install(rv)) - { - std::string msg = "Timezone database version \""; - msg += rv; - msg += "\" did not install correctly to \""; - msg += install; - msg += "\""; - throw std::runtime_error(msg); - } - } - if (!file_exists(install)) - { - std::string msg = "Timezone database not found at \""; - msg += install; - msg += "\""; - throw std::runtime_error(msg); - } - db->version = get_version(path); - } - else - { - db->version = get_version(path); - auto rv = remote_version(); - if (!rv.empty() && db->version != rv) - { - if (remote_download(rv)) - { - remote_install(rv); - db->version = get_version(path); - } - } - } -#else // !AUTO_DOWNLOAD - if (!file_exists(install)) - { - std::string msg = "Timezone database not found at \""; - msg += install; - msg += "\""; - throw std::runtime_error(msg); - } - db->version = get_version(path); -#endif // !AUTO_DOWNLOAD - - CONSTDATA char*const files[] = - { - "africa", "antarctica", "asia", "australasia", "backward", "etcetera", "europe", - "pacificnew", "northamerica", "southamerica", "systemv", "leapseconds" - }; - - for (const auto& filename : files) - { - std::ifstream infile(path + filename); - while (infile) - { - std::getline(infile, line); - if (!line.empty() && line[0] != '#') - { - std::istringstream in(line); - std::string word; - in >> word; - if (word == "Rule") - { - db->rules.push_back(Rule(line)); - continue_zone = false; - } - else if (word == "Link") - { - db->links.push_back(time_zone_link(line)); - continue_zone = false; - } - else if (word == "Leap") - { - db->leap_seconds.push_back(leap_second(line, detail::undocumented{})); - continue_zone = false; - } - else if (word == "Zone") - { - db->zones.push_back(time_zone(line, detail::undocumented{})); - continue_zone = true; - } - else if (line[0] == '\t' && continue_zone) - { - db->zones.back().add(line); - } - else - { - std::cerr << line << '\n'; - } - } - } - } - std::sort(db->rules.begin(), db->rules.end()); - Rule::split_overlaps(db->rules); - std::sort(db->zones.begin(), db->zones.end()); - db->zones.shrink_to_fit(); - std::sort(db->links.begin(), db->links.end()); - db->links.shrink_to_fit(); - std::sort(db->leap_seconds.begin(), db->leap_seconds.end()); - db->leap_seconds.shrink_to_fit(); - -#ifdef _WIN32 - std::string mapping_file = get_install() + folder_delimiter + "windowsZones.xml"; - db->mappings = load_timezone_mappings_from_xml_file(mapping_file); - sort_zone_mappings(db->mappings); -#endif // _WIN32 - - return db; -} - -const tzdb& -reload_tzdb() -{ -#if AUTO_DOWNLOAD - auto const& v = get_tzdb_list().front().version; - if (!v.empty() && v == remote_version()) - return get_tzdb_list().front(); -#endif // AUTO_DOWNLOAD - tzdb_list::undocumented_helper::push_front(get_tzdb_list(), init_tzdb().release()); - return get_tzdb_list().front(); -} - -#endif // !USE_OS_TZDB - -const tzdb& -get_tzdb() -{ - return get_tzdb_list().front(); -} - -const time_zone* -#if HAS_STRING_VIEW -tzdb::locate_zone(std::string_view tz_name) const -#else -tzdb::locate_zone(const std::string& tz_name) const -#endif -{ - auto zi = std::lower_bound(zones.begin(), zones.end(), tz_name, -#if HAS_STRING_VIEW - [](const time_zone& z, const std::string_view& nm) -#else - [](const time_zone& z, const std::string& nm) -#endif - { - return z.name() < nm; - }); - if (zi == zones.end() || zi->name() != tz_name) - { -#if !USE_OS_TZDB - auto li = std::lower_bound(links.begin(), links.end(), tz_name, -#if HAS_STRING_VIEW - [](const time_zone_link& z, const std::string_view& nm) -#else - [](const time_zone_link& z, const std::string& nm) -#endif - { - return z.name() < nm; - }); - if (li != links.end() && li->name() == tz_name) - { - zi = std::lower_bound(zones.begin(), zones.end(), li->target(), - [](const time_zone& z, const std::string& nm) - { - return z.name() < nm; - }); - if (zi != zones.end() && zi->name() == li->target()) - return &*zi; - } -#endif // !USE_OS_TZDB - throw std::runtime_error(std::string(tz_name) + " not found in timezone database"); - } - return &*zi; -} - -const time_zone* -#if HAS_STRING_VIEW -locate_zone(std::string_view tz_name) -#else -locate_zone(const std::string& tz_name) -#endif -{ - return get_tzdb().locate_zone(tz_name); -} - -#if USE_OS_TZDB - -std::ostream& -operator<<(std::ostream& os, const tzdb& db) -{ - os << "Version: " << db.version << "\n\n"; - for (const auto& x : db.zones) - os << x << '\n'; -#if !MISSING_LEAP_SECONDS - os << '\n'; - for (const auto& x : db.leap_seconds) - os << x << '\n'; -#endif // !MISSING_LEAP_SECONDS - return os; -} - -#else // !USE_OS_TZDB - -std::ostream& -operator<<(std::ostream& os, const tzdb& db) -{ - os << "Version: " << db.version << '\n'; - std::string title("--------------------------------------------" - "--------------------------------------------\n" - "Name ""Start Y ""End Y " - "Beginning ""Offset " - "Designator\n" - "--------------------------------------------" - "--------------------------------------------\n"); - int count = 0; - for (const auto& x : db.rules) - { - if (count++ % 50 == 0) - os << title; - os << x << '\n'; - } - os << '\n'; - title = std::string("---------------------------------------------------------" - "--------------------------------------------------------\n" - "Name ""Offset " - "Rule ""Abrev ""Until\n" - "---------------------------------------------------------" - "--------------------------------------------------------\n"); - count = 0; - for (const auto& x : db.zones) - { - if (count++ % 10 == 0) - os << title; - os << x << '\n'; - } - os << '\n'; - title = std::string("---------------------------------------------------------" - "--------------------------------------------------------\n" - "Alias ""To\n" - "---------------------------------------------------------" - "--------------------------------------------------------\n"); - count = 0; - for (const auto& x : db.links) - { - if (count++ % 45 == 0) - os << title; - os << x << '\n'; - } - os << '\n'; - title = std::string("---------------------------------------------------------" - "--------------------------------------------------------\n" - "Leap second on\n" - "---------------------------------------------------------" - "--------------------------------------------------------\n"); - os << title; - for (const auto& x : db.leap_seconds) - os << x << '\n'; - return os; -} - -#endif // !USE_OS_TZDB - -// ----------------------- - -#ifdef _WIN32 - -static -std::string -getTimeZoneKeyName() -{ - DYNAMIC_TIME_ZONE_INFORMATION dtzi{}; - auto result = GetDynamicTimeZoneInformation(&dtzi); - if (result == TIME_ZONE_ID_INVALID) - throw std::runtime_error("current_zone(): GetDynamicTimeZoneInformation()" - " reported TIME_ZONE_ID_INVALID."); - auto wlen = wcslen(dtzi.TimeZoneKeyName); - char buf[128] = {}; - assert(sizeof(buf) >= wlen+1); - wcstombs(buf, dtzi.TimeZoneKeyName, wlen); - if (strcmp(buf, "Coordinated Universal Time") == 0) - return "UTC"; - return buf; -} - -const time_zone* -tzdb::current_zone() const -{ - std::string win_tzid = getTimeZoneKeyName(); - std::string standard_tzid; - if (!native_to_standard_timezone_name(win_tzid, standard_tzid)) - { - std::string msg; - msg = "current_zone() failed: A mapping from the Windows Time Zone id \""; - msg += win_tzid; - msg += "\" was not found in the time zone mapping database."; - throw std::runtime_error(msg); - } - return locate_zone(standard_tzid); -} - -#else // !_WIN32 - -const time_zone* -tzdb::current_zone() const -{ - // On some OS's a file called /etc/localtime may - // exist and it may be either a real file - // containing time zone details or a symlink to such a file. - // On MacOS and BSD Unix if this file is a symlink it - // might resolve to a path like this: - // "/usr/share/zoneinfo/America/Los_Angeles" - // If it does, we try to determine the current - // timezone from the remainder of the path by removing the prefix - // and hoping the rest resolves to a valid timezone. - // It may not always work though. If it doesn't then an - // exception will be thrown by local_timezone. - // The path may also take a relative form: - // "../usr/share/zoneinfo/America/Los_Angeles". - { - struct stat sb; - CONSTDATA auto timezone = "/etc/localtime"; - if (lstat(timezone, &sb) == 0 && S_ISLNK(sb.st_mode) && sb.st_size > 0) { - using namespace std; - char rp[PATH_MAX+1] = {}; - if (realpath(timezone, rp) == nullptr) - throw system_error(errno, system_category(), "realpath() failed"); -#if HAS_STRING_VIEW - string_view result = rp; - CONSTDATA string_view zoneinfo = "zoneinfo"; - size_t pos = result.rfind(zoneinfo); - if (pos == result.npos) - throw runtime_error( - "current_zone() failed to find \"zoneinfo\" in " + string(result)); - pos = result.find('/', pos); - result.remove_prefix(pos + 1); -#else - string result = rp; - CONSTDATA char zoneinfo[] = "zoneinfo"; - size_t pos = result.rfind(zoneinfo); - if (pos == result.npos) - throw runtime_error( - "current_zone() failed to find \"zoneinfo\" in " + result); - pos = result.find('/', pos); - result.erase(0, pos + 1); -#endif - return locate_zone(result); - } - } - // On embedded systems e.g. buildroot with uclibc the timezone is linked - // into /etc/TZ which is a symlink to path like this: - // "/usr/share/zoneinfo/uclibc/America/Los_Angeles" - // If it does, we try to determine the current - // timezone from the remainder of the path by removing the prefix - // and hoping the rest resolves to valid timezone. - // It may not always work though. If it doesn't then an - // exception will be thrown by local_timezone. - // The path may also take a relative form: - // "../usr/share/zoneinfo/uclibc/America/Los_Angeles". - { - struct stat sb; - CONSTDATA auto timezone = "/etc/TZ"; - if (lstat(timezone, &sb) == 0 && S_ISLNK(sb.st_mode) && sb.st_size > 0) { - using namespace std; - string result; - char rp[PATH_MAX+1] = {}; - if (readlink(timezone, rp, sizeof(rp)-1) > 0) - result = string(rp); - else - throw system_error(errno, system_category(), "readlink() failed"); - - const size_t pos = result.find(get_tz_dir()); - if (pos != result.npos) - result.erase(0, get_tz_dir().size() + 1 + pos); - return locate_zone(result); - } - } - { - // On some versions of some linux distro's (e.g. Ubuntu), - // the current timezone might be in the first line of - // the /etc/timezone file. - std::ifstream timezone_file("/etc/timezone"); - if (timezone_file.is_open()) - { - std::string result; - std::getline(timezone_file, result); - if (!result.empty()) - return locate_zone(result); - } - // Fall through to try other means. - } - { - // On some versions of some bsd distro's (e.g. FreeBSD), - // the current timezone might be in the first line of - // the /var/db/zoneinfo file. - std::ifstream timezone_file("/var/db/zoneinfo"); - if (timezone_file.is_open()) - { - std::string result; - std::getline(timezone_file, result); - if (!result.empty()) - return locate_zone(result); - } - // Fall through to try other means. - } - { - // On some versions of some bsd distro's (e.g. iOS), - // it is not possible to use file based approach, - // we switch to system API, calling functions in - // CoreFoundation framework. -#if TARGET_OS_IPHONE - std::string result = date::iOSUtils::get_current_timezone(); - if (!result.empty()) - return locate_zone(result); -#endif - // Fall through to try other means. - } - { - // On some versions of some linux distro's (e.g. Red Hat), - // the current timezone might be in the first line of - // the /etc/sysconfig/clock file as: - // ZONE="US/Eastern" - std::ifstream timezone_file("/etc/sysconfig/clock"); - std::string result; - while (timezone_file) - { - std::getline(timezone_file, result); - auto p = result.find("ZONE=\""); - if (p != std::string::npos) - { - result.erase(p, p+6); - result.erase(result.rfind('"')); - return locate_zone(result); - } - } - // Fall through to try other means. - } - throw std::runtime_error("Could not get current timezone"); -} - -#endif // !_WIN32 - -const time_zone* -current_zone() -{ - return get_tzdb().current_zone(); -} - -} // namespace date - -#if defined(__GNUC__) && __GNUC__ < 5 -# pragma GCC diagnostic pop -#endif |