mirror of
https://github.com/HowardHinnant/date.git
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1743 lines
42 KiB
C++
1743 lines
42 KiB
C++
#ifndef ISO_WEEK_H
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#define ISO_WEEK_H
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// The MIT License (MIT)
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//
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// Copyright (c) 2015 Howard Hinnant
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "date.h"
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namespace iso_week
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{
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// y/wn/wd
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// wn/wd/y
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// wd/wn/y
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using days = date::days;
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using weeks = date::weeks;
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using years = date::years;
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// time_point
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using sys_days = date::sys_days;
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using local_days = date::local_days;
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// types
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struct last_week
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{
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explicit last_week() = default;
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};
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class weekday;
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class weeknum;
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class year;
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class year_weeknum;
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class year_lastweek;
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class weeknum_weekday;
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class lastweek_weekday;
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class year_weeknum_weekday;
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class year_lastweek_weekday;
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// date composition operators
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CONSTCD11 year_weeknum operator/(const year& y, const weeknum& wn) NOEXCEPT;
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CONSTCD11 year_weeknum operator/(const year& y, int wn) NOEXCEPT;
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CONSTCD11 year_lastweek operator/(const year& y, last_week wn) NOEXCEPT;
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CONSTCD11 weeknum_weekday operator/(const weeknum& wn, const weekday& wd) NOEXCEPT;
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CONSTCD11 weeknum_weekday operator/(const weeknum& wn, int wd) NOEXCEPT;
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CONSTCD11 weeknum_weekday operator/(const weekday& wd, const weeknum& wn) NOEXCEPT;
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CONSTCD11 weeknum_weekday operator/(const weekday& wd, int wn) NOEXCEPT;
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CONSTCD11 lastweek_weekday operator/(const last_week& wn, const weekday& wd) NOEXCEPT;
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CONSTCD11 lastweek_weekday operator/(const last_week& wn, int wd) NOEXCEPT;
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CONSTCD11 lastweek_weekday operator/(const weekday& wd, const last_week& wn) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator/(const year_weeknum& ywn, const weekday& wd) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator/(const year_weeknum& ywn, int wd) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator/(const weeknum_weekday& wnwd, const year& y) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator/(const weeknum_weekday& wnwd, int y) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator/(const year_lastweek& ylw, const weekday& wd) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator/(const year_lastweek& ylw, int wd) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator/(const lastweek_weekday& lwwd, const year& y) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator/(const lastweek_weekday& lwwd, int y) NOEXCEPT;
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// weekday
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class weekday
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{
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unsigned char wd_;
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public:
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explicit CONSTCD11 weekday(unsigned wd) NOEXCEPT;
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CONSTCD11 weekday(date::weekday wd) NOEXCEPT;
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explicit weekday(int) = delete;
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CONSTCD11 weekday(const sys_days& dp) NOEXCEPT;
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CONSTCD11 explicit weekday(const local_days& dp) NOEXCEPT;
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weekday& operator++() NOEXCEPT;
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weekday operator++(int) NOEXCEPT;
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weekday& operator--() NOEXCEPT;
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weekday operator--(int) NOEXCEPT;
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weekday& operator+=(const days& d) NOEXCEPT;
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weekday& operator-=(const days& d) NOEXCEPT;
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CONSTCD11 explicit operator unsigned() const NOEXCEPT;
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CONSTCD11 operator date::weekday() const NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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private:
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static CONSTCD11 unsigned char weekday_from_days(int z) NOEXCEPT;
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static CONSTCD11 unsigned char to_iso_encoding(unsigned char) NOEXCEPT;
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static CONSTCD11 unsigned from_iso_encoding(unsigned) NOEXCEPT;
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};
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CONSTCD11 bool operator==(const weekday& x, const weekday& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const weekday& x, const weekday& y) NOEXCEPT;
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CONSTCD14 weekday operator+(const weekday& x, const days& y) NOEXCEPT;
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CONSTCD14 weekday operator+(const days& x, const weekday& y) NOEXCEPT;
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CONSTCD14 weekday operator-(const weekday& x, const days& y) NOEXCEPT;
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CONSTCD14 days operator-(const weekday& x, const weekday& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const weekday& wd);
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// year
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class year
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{
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short y_;
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public:
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explicit CONSTCD11 year(int y) NOEXCEPT;
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year& operator++() NOEXCEPT;
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year operator++(int) NOEXCEPT;
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year& operator--() NOEXCEPT;
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year operator--(int) NOEXCEPT;
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year& operator+=(const years& y) NOEXCEPT;
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year& operator-=(const years& y) NOEXCEPT;
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CONSTCD11 explicit operator int() const NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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static CONSTCD11 year min() NOEXCEPT;
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static CONSTCD11 year max() NOEXCEPT;
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};
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CONSTCD11 bool operator==(const year& x, const year& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const year& x, const year& y) NOEXCEPT;
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CONSTCD11 bool operator< (const year& x, const year& y) NOEXCEPT;
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CONSTCD11 bool operator> (const year& x, const year& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const year& x, const year& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const year& x, const year& y) NOEXCEPT;
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CONSTCD11 year operator+(const year& x, const years& y) NOEXCEPT;
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CONSTCD11 year operator+(const years& x, const year& y) NOEXCEPT;
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CONSTCD11 year operator-(const year& x, const years& y) NOEXCEPT;
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CONSTCD11 years operator-(const year& x, const year& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const year& y);
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// weeknum
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class weeknum
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{
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unsigned char wn_;
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public:
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explicit CONSTCD11 weeknum(unsigned wn) NOEXCEPT;
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weeknum& operator++() NOEXCEPT;
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weeknum operator++(int) NOEXCEPT;
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weeknum& operator--() NOEXCEPT;
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weeknum operator--(int) NOEXCEPT;
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weeknum& operator+=(const weeks& y) NOEXCEPT;
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weeknum& operator-=(const weeks& y) NOEXCEPT;
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CONSTCD11 explicit operator unsigned() const NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator< (const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator> (const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const weeknum& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 weeknum operator+(const weeknum& x, const weeks& y) NOEXCEPT;
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CONSTCD11 weeknum operator+(const weeks& x, const weeknum& y) NOEXCEPT;
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CONSTCD11 weeknum operator-(const weeknum& x, const weeks& y) NOEXCEPT;
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CONSTCD11 weeks operator-(const weeknum& x, const weeknum& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum& wn);
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// year_weeknum
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class year_weeknum
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{
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iso_week::year y_;
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iso_week::weeknum wn_;
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public:
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CONSTCD11 year_weeknum(const iso_week::year& y, const iso_week::weeknum& wn) NOEXCEPT;
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CONSTCD11 iso_week::year year() const NOEXCEPT;
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CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT;
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year_weeknum& operator+=(const years& dy) NOEXCEPT;
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year_weeknum& operator-=(const years& dy) NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator< (const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator> (const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const year_weeknum& x, const year_weeknum& y) NOEXCEPT;
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CONSTCD11 year_weeknum operator+(const year_weeknum& ym, const years& dy) NOEXCEPT;
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CONSTCD11 year_weeknum operator+(const years& dy, const year_weeknum& ym) NOEXCEPT;
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CONSTCD11 year_weeknum operator-(const year_weeknum& ym, const years& dy) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum& ym);
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// year_lastweek
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class year_lastweek
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{
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iso_week::year y_;
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public:
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CONSTCD11 explicit year_lastweek(const iso_week::year& y) NOEXCEPT;
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CONSTCD11 iso_week::year year() const NOEXCEPT;
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CONSTCD14 iso_week::weeknum weeknum() const NOEXCEPT;
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year_lastweek& operator+=(const years& dy) NOEXCEPT;
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year_lastweek& operator-=(const years& dy) NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 bool operator< (const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 bool operator> (const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const year_lastweek& x, const year_lastweek& y) NOEXCEPT;
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CONSTCD11 year_lastweek operator+(const year_lastweek& ym, const years& dy) NOEXCEPT;
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CONSTCD11 year_lastweek operator+(const years& dy, const year_lastweek& ym) NOEXCEPT;
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CONSTCD11 year_lastweek operator-(const year_lastweek& ym, const years& dy) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek& ym);
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// weeknum_weekday
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class weeknum_weekday
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{
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iso_week::weeknum wn_;
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iso_week::weekday wd_;
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public:
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CONSTCD11 weeknum_weekday(const iso_week::weeknum& wn,
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const iso_week::weekday& wd) NOEXCEPT;
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CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT;
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CONSTCD11 iso_week::weekday weekday() const NOEXCEPT;
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CONSTCD14 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator< (const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator> (const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const weeknum_weekday& x, const weeknum_weekday& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const weeknum_weekday& md);
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// lastweek_weekday
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class lastweek_weekday
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{
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iso_week::weekday wd_;
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public:
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CONSTCD11 explicit lastweek_weekday(const iso_week::weekday& wd) NOEXCEPT;
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CONSTCD11 iso_week::weekday weekday() const NOEXCEPT;
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CONSTCD14 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator< (const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator> (const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const lastweek_weekday& x, const lastweek_weekday& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const lastweek_weekday& md);
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// year_lastweek_weekday
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class year_lastweek_weekday
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{
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iso_week::year y_;
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iso_week::weekday wd_;
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public:
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CONSTCD11 year_lastweek_weekday(const iso_week::year& y,
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const iso_week::weekday& wd) NOEXCEPT;
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year_lastweek_weekday& operator+=(const years& y) NOEXCEPT;
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year_lastweek_weekday& operator-=(const years& y) NOEXCEPT;
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CONSTCD11 iso_week::year year() const NOEXCEPT;
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CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT;
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CONSTCD11 iso_week::weekday weekday() const NOEXCEPT;
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CONSTCD14 operator sys_days() const NOEXCEPT;
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CONSTCD14 explicit operator local_days() const NOEXCEPT;
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CONSTCD11 bool ok() const NOEXCEPT;
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};
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CONSTCD11 bool operator==(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator< (const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator> (const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator+(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator+(const years& y, const year_lastweek_weekday& ywnwd) NOEXCEPT;
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CONSTCD11 year_lastweek_weekday operator-(const year_lastweek_weekday& ywnwd, const years& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const year_lastweek_weekday& ywnwd);
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// class year_weeknum_weekday
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class year_weeknum_weekday
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{
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iso_week::year y_;
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iso_week::weeknum wn_;
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iso_week::weekday wd_;
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public:
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CONSTCD11 year_weeknum_weekday(const iso_week::year& y, const iso_week::weeknum& wn,
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const iso_week::weekday& wd) NOEXCEPT;
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CONSTCD14 year_weeknum_weekday(const year_lastweek_weekday& ylwwd) NOEXCEPT;
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CONSTCD14 year_weeknum_weekday(const sys_days& dp) NOEXCEPT;
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CONSTCD14 explicit year_weeknum_weekday(const local_days& dp) NOEXCEPT;
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year_weeknum_weekday& operator+=(const years& y) NOEXCEPT;
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year_weeknum_weekday& operator-=(const years& y) NOEXCEPT;
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CONSTCD11 iso_week::year year() const NOEXCEPT;
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CONSTCD11 iso_week::weeknum weeknum() const NOEXCEPT;
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CONSTCD11 iso_week::weekday weekday() const NOEXCEPT;
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CONSTCD14 operator sys_days() const NOEXCEPT;
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CONSTCD14 explicit operator local_days() const NOEXCEPT;
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CONSTCD14 bool ok() const NOEXCEPT;
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private:
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static CONSTCD14 year_weeknum_weekday from_days(days dp) NOEXCEPT;
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};
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CONSTCD11 bool operator==(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator!=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator< (const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator> (const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator<=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 bool operator>=(const year_weeknum_weekday& x, const year_weeknum_weekday& y) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator+(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator+(const years& y, const year_weeknum_weekday& ywnwd) NOEXCEPT;
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CONSTCD11 year_weeknum_weekday operator-(const year_weeknum_weekday& ywnwd, const years& y) NOEXCEPT;
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template<class CharT, class Traits>
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std::basic_ostream<CharT, Traits>&
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operator<<(std::basic_ostream<CharT, Traits>& os, const year_weeknum_weekday& ywnwd);
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//----------------+
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// Implementation |
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//----------------+
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// weekday
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CONSTCD11
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inline
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unsigned char
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weekday::to_iso_encoding(unsigned char z) NOEXCEPT
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{
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return z != 0 ? z : (unsigned char)7;
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}
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CONSTCD11
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inline
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unsigned
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weekday::from_iso_encoding(unsigned z) NOEXCEPT
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{
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return z != 7 ? z : 0u;
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}
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CONSTCD11
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inline
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unsigned char
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weekday::weekday_from_days(int z) NOEXCEPT
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{
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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_(to_iso_encoding(static_cast<unsigned>(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()))
|
|
{}
|
|
|
|
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 namespace std::chrono;
|
|
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 namespace std::chrono;
|
|
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_stream<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_stream<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(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_;}
|
|
|
|
CONSTCD11
|
|
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]}
|
|
+ (mon - thu) - (mon - 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]}
|
|
+ (mon - thu) - (mon - 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(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(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
|