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onion-wownero-explorer/ext/date/date.h

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Hinnant date library added
8 years ago
#ifndef DATE_H
#define DATE_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 woud involve another several millennia of evolution).
// We did not mean to shout.
#include <cctype>
#include <chrono>
#if !(__cplusplus >= 201402)
# include <cmath>
#endif
#include <cstdint>
#include <cstdlib>
#include <ctime>
#include <istream>
#include <ios>
#include <limits>
#include <locale>
#include <ostream>
#include <ratio>
#include <sstream>
#include <stdexcept>
#include <string>
#include <utility>
#include <type_traits>
namespace date
{
//---------------+
// Configuration |
//---------------+
// MSVC's constexpr support is still a WIP, even in VS2015.
// Fall back to a lesser mode to support it.
// TODO: Remove this or retest later once MSVC's constexpr improves.
#if defined(_MSC_VER) && ! defined(__clang__)
// MS cl compiler.
# define CONSTDATA const
# define CONSTCD11
# define CONSTCD14
# define NOEXCEPT _NOEXCEPT
#elif __cplusplus >= 201402
// C++14
# define CONSTDATA constexpr
# define CONSTCD11 constexpr
# define CONSTCD14 constexpr
# define NOEXCEPT noexcept
#else
// C++11
# define CONSTDATA constexpr
# define CONSTCD11 constexpr
# define CONSTCD14
# define NOEXCEPT noexcept
#endif
//-----------+
// Interface |
//-----------+
// durations
using days = std::chrono::duration
<int, std::ratio_multiply<std::ratio<24>, std::chrono::hours::period>>;
using weeks = std::chrono::duration
<int, std::ratio_multiply<std::ratio<7>, days::period>>;
using years = std::chrono::duration
<int, std::ratio_multiply<std::ratio<146097, 400>, days::period>>;
using months = std::chrono::duration
<int, std::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;
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:
weekday() = default;
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 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);
// 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;
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
{
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;
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 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;
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
{
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;
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 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;
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
{
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;
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 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;
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
{
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;
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 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;
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 date::day operator "" _d(unsigned long long d) NOEXCEPT;
CONSTCD11 date::year operator "" _y(unsigned long long y) NOEXCEPT;
// 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};
} // inline namespace literals
#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900)
//----------------+
// Implementation |
//----------------+
// utilities
namespace detail {
template<class CharT, class Traits = std::char_traits<CharT>>
class save_stream
{
std::basic_ostream<CharT, Traits>& os_;
CharT fill_;
std::ios::fmtflags flags_;
std::locale loc_;
public:
~save_stream()
{
os_.fill(fill_);
os_.flags(flags_);
os_.imbue(loc_);
}
save_stream(const save_stream&) = delete;
save_stream& operator=(const save_stream&) = delete;
explicit save_stream(std::basic_ostream<CharT, Traits>& os)
: os_(os)
, fill_(os.fill())
, flags_(os.flags())
, loc_(os.getloc())
{}
};
#ifdef __GNUC__
// GCC complains about __int128 with -pedantic or -pedantic-errors
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
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;
};
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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 namespace std;
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;
}
} // detail
// trunc towards zero
template <class To, class Rep, class Period>
CONSTCD11
inline
To
trunc(const std::chrono::duration<Rep, Period>& d)
{
return To{detail::trunc(std::chrono::duration_cast<To>(d).count())};
}
#ifndef HAS_CHRONO_ROUNDING
# if defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918
# 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
To
floor(const std::chrono::duration<Rep, Period>& d)
{
auto t = trunc<To>(d);
if (t > d)
return t - To{1};
return t;
}
// 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>{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<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)
{
detail::save_stream<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 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 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)
{
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;
}
// 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
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
// 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;
}
CONSTCD11
inline
weekday_indexed::weekday_indexed(const date::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 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();}
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 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)
{}
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 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() != feb || !y_.is_leap() ?
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();
}
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 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_;}
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-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_stream<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() + 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)};
}
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 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()))
{}
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() - 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();
}
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 date::year& y,
const date::month& m,
const date::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 - (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();
}
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;
}
// time_of_day
enum {am = 1, pm};
namespace detail
{
enum class classify
{
not_valid,
hour,
minute,
second,
subsecond
};
#if !defined(_MSC_VER) || (_MSC_VER >= 1900)
template <class Duration>
struct classify_duration
{
static CONSTDATA classify value =
Duration{1} >= days{1} ? classify::not_valid :
Duration{1} >= std::chrono::hours{1} ? classify::hour :
Duration{1} >= std::chrono::minutes{1} ? classify::minute :
Duration{1} >= std::chrono::seconds{1} ? classify::second :
classify::subsecond;
};
#else
template <class Duration>
struct classify_duration
{
static CONSTDATA classify value =
std::ratio_greater_equal<
typename Duration::period,
days::period >::value
? classify::not_valid :
std::ratio_greater_equal<
typename Duration::period,
std::chrono::hours::period>::value
? classify::hour :
std::ratio_greater_equal<
typename Duration::period,
std::chrono::minutes::period>::value
? classify::minute :
std::ratio_greater_equal<
typename Duration::period,
std::chrono::seconds::period>::value
? classify::second :
classify::subsecond;
};
#endif // !defined(_MSC_VER) || (_MSC_VER >= 1900)
class time_of_day_base
{
protected:
std::chrono::hours h_;
unsigned char mode_;
enum {is24hr};
CONSTCD11 time_of_day_base(std::chrono::hours h, unsigned m) NOEXCEPT
: h_(h)
, mode_(static_cast<decltype(mode_)>(m))
{}
CONSTCD14 void make24() NOEXCEPT;
CONSTCD14 void make12() NOEXCEPT;
CONSTCD14 std::chrono::hours to24hr() const;
};
CONSTCD14
inline
std::chrono::hours
time_of_day_base::to24hr() const
{
auto h = h_;
if (mode_ == am || mode_ == pm)
{
CONSTDATA auto h12 = std::chrono::hours(12);
if (mode_ == pm)
{
if (h != h12)
h = h + h12;
}
else if (h == h12)
h = std::chrono::hours(0);
}
return h;
}
CONSTCD14
inline
void
time_of_day_base::make24() NOEXCEPT
{
h_ = to24hr();
mode_ = is24hr;
}
CONSTCD14
inline
void
time_of_day_base::make12() NOEXCEPT
{
if (mode_ == is24hr)
{
CONSTDATA auto h12 = std::chrono::hours(12);
if (h_ >= h12)
{
if (h_ > h12)
h_ = h_ - h12;
mode_ = pm;
}
else
{
if (h_ == std::chrono::hours(0))
h_ = h12;
mode_ = am;
}
}
}
template <class Duration, detail::classify = detail::classify_duration<Duration>::value>
class time_of_day_storage;
template <class Rep, class Period>
class time_of_day_storage<std::chrono::duration<Rep, Period>, detail::classify::hour>
: private detail::time_of_day_base
{
using base = detail::time_of_day_base;
public:
using precision = std::chrono::hours;
CONSTCD11 explicit time_of_day_storage(std::chrono::hours since_midnight) NOEXCEPT
: base(since_midnight, is24hr)
{}
CONSTCD11 explicit time_of_day_storage(std::chrono::hours h, unsigned md) NOEXCEPT
: base(h, md)
{}
CONSTCD11 std::chrono::hours hours() const NOEXCEPT {return h_;}
CONSTCD11 unsigned mode() const NOEXCEPT {return mode_;}
CONSTCD14 explicit operator precision() const NOEXCEPT
{
return to24hr();
}
CONSTCD14 precision to_duration() const NOEXCEPT
{
return static_cast<precision>(*this);
}
CONSTCD14 time_of_day_storage& make24() NOEXCEPT {base::make24(); return *this;}
CONSTCD14 time_of_day_storage& make12() NOEXCEPT {base::make12(); return *this;}
template<class CharT, class Traits>
friend
std::basic_ostream<CharT, Traits>&
operator<<(std::basic_ostream<CharT, Traits>& os, const time_of_day_storage& t)
{
using namespace std;
detail::save_stream<CharT, Traits> _(os);
os.fill('0');
os.flags(std::ios::dec | std::ios::right);
if (t.mode_ != am && t.mode_ != pm)
os.width(2);
os << t.h_.count();
switch (t.mode_)
{
case time_of_day_storage::is24hr:
os << "00";
break;
case am:
os << "am";
break;
case pm:
os << "pm";
break;
}
return os;
}
};
template <class Rep, class Period>
class time_of_day_storage<std::chrono::duration<Rep, Period>, detail::classify::minute>
: private detail::time_of_day_base
{
using base = detail::time_of_day_base;
std::chrono::minutes m_;
public:
using precision = std::chrono::minutes;
CONSTCD11 explicit time_of_day_storage(std::chrono::minutes since_midnight) NOEXCEPT
: base(std::chrono::duration_cast<std::chrono::hours>(since_midnight), is24hr)
, m_(since_midnight - h_)
{}
CONSTCD11 explicit time_of_day_storage(std::chrono::hours h, std::chrono::minutes m,
unsigned md) NOEXCEPT
: base(h, md)
, m_(m)
{}
CONSTCD11 std::chrono::hours hours() const NOEXCEPT {return h_;}
CONSTCD11 std::chrono::minutes minutes() const NOEXCEPT {return m_;}
CONSTCD11 unsigned mode() const NOEXCEPT {return mode_;}
CONSTCD14 explicit operator precision() const NOEXCEPT
{
return to24hr() + m_;
}
CONSTCD14 precision to_duration() const NOEXCEPT
{
return static_cast<precision>(*this);
}
CONSTCD14 time_of_day_storage& make24() NOEXCEPT {base::make24(); return *this;}
CONSTCD14 time_of_day_storage& make12() NOEXCEPT {base::make12(); return *this;}
template<class CharT, class Traits>
friend
std::basic_ostream<CharT, Traits>&
operator<<(std::basic_ostream<CharT, Traits>& os, const time_of_day_storage& t)
{
using namespace std;
detail::save_stream<CharT, Traits> _(os);
if (static_cast<precision>(t) < std::chrono::hours{0})
os << '-';
os.fill('0');
os.flags(std::ios::dec | std::ios::right);
if (t.mode_ != am && t.mode_ != pm)
os.width(2);
os << std::abs(t.h_.count()) << ':';
os.width(2);
os << std::abs(t.m_.count());
switch (t.mode_)
{
case am:
os << "am";
break;
case pm:
os << "pm";
break;
}
return os;
}
};
template <class Rep, class Period>
class time_of_day_storage<std::chrono::duration<Rep, Period>, detail::classify::second>
: private detail::time_of_day_base
{
using base = detail::time_of_day_base;
std::chrono::minutes m_;
std::chrono::seconds s_;
public:
using precision = std::chrono::seconds;
CONSTCD11 explicit time_of_day_storage(std::chrono::seconds since_midnight) NOEXCEPT
: base(std::chrono::duration_cast<std::chrono::hours>(since_midnight), is24hr)
, m_(std::chrono::duration_cast<std::chrono::minutes>(since_midnight - h_))
, s_(since_midnight - h_ - m_)
{}
CONSTCD11 explicit time_of_day_storage(std::chrono::hours h, std::chrono::minutes m,
std::chrono::seconds s, unsigned md) NOEXCEPT
: base(h, md)
, m_(m)
, s_(s)
{}
CONSTCD11 std::chrono::hours hours() const NOEXCEPT {return h_;}
CONSTCD11 std::chrono::minutes minutes() const NOEXCEPT {return m_;}
CONSTCD14 std::chrono::seconds& seconds() NOEXCEPT {return s_;}
CONSTCD11 std::chrono::seconds seconds() const NOEXCEPT {return s_;}
CONSTCD11 unsigned mode() const NOEXCEPT {return mode_;}
CONSTCD14 explicit operator precision() const NOEXCEPT
{
return to24hr() + s_ + m_;
}
CONSTCD14 precision to_duration() const NOEXCEPT
{
return static_cast<precision>(*this);
}
CONSTCD14 time_of_day_storage& make24() NOEXCEPT {base::make24(); return *this;}
CONSTCD14 time_of_day_storage& make12() NOEXCEPT {base::make12(); return *this;}
template<class CharT, class Traits>
friend
std::basic_ostream<CharT, Traits>&
operator<<(std::basic_ostream<CharT, Traits>& os, const time_of_day_storage& t)
{
using namespace std;
detail::save_stream<CharT, Traits> _(os);
if (static_cast<precision>(t) < std::chrono::hours{0})
os << '-';
os.fill('0');
os.flags(std::ios::dec | std::ios::right);
if (t.mode_ != am && t.mode_ != pm)
os.width(2);
os << std::abs(t.h_.count()) << ':';
os.width(2);
os << std::abs(t.m_.count()) << ':';
os.width(2);
os << std::abs(t.s_.count());
switch (t.mode_)
{
case am:
os << "am";
break;
case pm:
os << "pm";
break;
}
return os;
}
};
template <class Rep, class Period>
class time_of_day_storage<std::chrono::duration<Rep, Period>, detail::classify::subsecond>
: private detail::time_of_day_base
{
public:
using precision = std::chrono::duration<Rep, Period>;
private:
using base = detail::time_of_day_base;
std::chrono::minutes m_;
std::chrono::seconds s_;
precision sub_s_;
public:
CONSTCD11 explicit time_of_day_storage(precision since_midnight) NOEXCEPT
: base(std::chrono::duration_cast<std::chrono::hours>(since_midnight), is24hr)
, m_(std::chrono::duration_cast<std::chrono::minutes>(since_midnight - h_))
, s_(std::chrono::duration_cast<std::chrono::seconds>(since_midnight - h_ - m_))
, sub_s_(since_midnight - h_ - m_ - s_)
{}
CONSTCD11 explicit time_of_day_storage(std::chrono::hours h, std::chrono::minutes m,
std::chrono::seconds s, precision sub_s,
unsigned md) NOEXCEPT
: base(h, md)
, m_(m)
, s_(s)
, sub_s_(sub_s)
{}
CONSTCD11 std::chrono::hours hours() const NOEXCEPT {return h_;}
CONSTCD11 std::chrono::minutes minutes() const NOEXCEPT {return m_;}
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_;}
CONSTCD11 unsigned mode() const NOEXCEPT {return mode_;}
CONSTCD14 explicit operator precision() const NOEXCEPT
{
return to24hr() + s_ + sub_s_ + m_;
}
CONSTCD14 precision to_duration() const NOEXCEPT
{
return static_cast<precision>(*this);
}
CONSTCD14 time_of_day_storage& make24() NOEXCEPT {base::make24(); return *this;}
CONSTCD14 time_of_day_storage& make12() NOEXCEPT {base::make12(); return *this;}
template<class CharT, class Traits>
friend
std::basic_ostream<CharT, Traits>&
operator<<(std::basic_ostream<CharT, Traits>& os, const time_of_day_storage& t)
{
using namespace std;
detail::save_stream<CharT, Traits> _(os);
if (static_cast<precision>(t) < std::chrono::hours{0})
os << '-';
os.fill('0');
os.flags(std::ios::dec | std::ios::right);
if (t.mode_ != am && t.mode_ != pm)
os.width(2);
os << std::abs(t.h_.count()) << ':';
os.width(2);
os << std::abs(t.m_.count()) << ':';
os.width(2);
os << std::abs(t.s_.count())
<< use_facet<numpunct<char>>(os.getloc()).decimal_point();
os.imbue(locale{});
#if __cplusplus >= 201402
CONSTDATA auto cl10 = ceil_log10(Period::den);
using scale = std::ratio_multiply<Period, std::ratio<pow10(cl10)>>;
os.width(cl10);
os << std::abs(t.sub_s_.count()) * scale::num / scale::den;
#else // __cplusplus >= 201402
// inefficient sub-optimal run-time mess, but gets the job done
const unsigned long long cl10 =
static_cast<unsigned long long>(std::ceil(log10(Period::den)));
const auto p10 = std::pow(10., cl10);
os.width(cl10);
os << static_cast<unsigned long long>(std::abs(t.sub_s_.count())
* Period::num * p10 / Period::den);
#endif // __cplusplus >= 201402
switch (t.mode_)
{
case am:
os << "am";
break;
case pm:
os << "pm";
break;
}
return os;
}
private:
#if __cplusplus >= 201402
CONSTCD11 static int ceil_log10(unsigned long long i) NOEXCEPT
{
--i;
int n = 0;
if (i >= 10000000000000000) {i /= 10000000000000000; n += 16;}
if (i >= 100000000) {i /= 100000000; n += 8;}
if (i >= 10000) {i /= 10000; n += 4;}
if (i >= 100) {i /= 100; n += 2;}
if (i >= 10) {i /= 10; n += 1;}
if (i >= 1) {i /= 10; n += 1;}
return n;
}
CONSTCD11 static unsigned long long pow10(unsigned y) NOEXCEPT
{
CONSTDATA unsigned long long p10[] =
{
1ull,
10ull,
100ull,
1000ull,
10000ull,
100000ull,
1000000ull,
10000000ull,
100000000ull,
1000000000ull,
10000000000ull,
100000000000ull,
1000000000000ull,
10000000000000ull,
100000000000000ull,
1000000000000000ull,
10000000000000000ull,
100000000000000000ull,
1000000000000000000ull,
10000000000000000000ull
};
return p10[y];
}
#endif // __cplusplus >= 201402
};
} // namespace detail
template <class Duration>
class time_of_day
: public detail::time_of_day_storage<Duration>
{
using base = detail::time_of_day_storage<Duration>;
public:
#if !(defined(_MSC_VER) && !defined(__clang__))
// C++11
using base::base;
#else
// MS cl compiler workaround.
template <class ...Args>
explicit time_of_day(Args&& ...args)
: base(std::forward<Args>(args)...)
{}
#endif
};
template <class Rep, class Period,
class = typename std::enable_if
<!std::chrono::treat_as_floating_point<Rep>::value>::type>
CONSTCD11
inline
time_of_day<std::chrono::duration<Rep, Period>>
make_time(const std::chrono::duration<Rep, Period>& d)
{
return time_of_day<std::chrono::duration<Rep, Period>>(d);
}
CONSTCD11
inline
time_of_day<std::chrono::hours>
make_time(const std::chrono::hours& h, unsigned md)
{
return time_of_day<std::chrono::hours>(h, md);
}
CONSTCD11
inline
time_of_day<std::chrono::minutes>
make_time(const std::chrono::hours& h, const std::chrono::minutes& m,
unsigned md)
{
return time_of_day<std::chrono::minutes>(h, m, md);
}
CONSTCD11
inline
time_of_day<std::chrono::seconds>
make_time(const std::chrono::hours& h, const std::chrono::minutes& m,
const std::chrono::seconds& s, unsigned md)
{
return time_of_day<std::chrono::seconds>(h, m, s, md);
}
template <class Rep, class Period,
class = typename std::enable_if<std::ratio_less<Period,
std::ratio<1>>::value>::type>
CONSTCD11
inline
time_of_day<std::chrono::duration<Rep, Period>>
make_time(const std::chrono::hours& h, const std::chrono::minutes& m,
const std::chrono::seconds& s, const std::chrono::duration<Rep, Period>& sub_s,
unsigned md)
{
return time_of_day<std::chrono::duration<Rep, Period>>(h, m, s, sub_s, md);
}
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 = 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()};
}
// format
namespace detail
{
template <class CharT, class Traits, class Duration>
std::basic_string<CharT, Traits>
format(const std::locale& loc, std::basic_string<CharT, Traits> fmt,
const local_time<Duration>& tp, const std::string* abbrev = nullptr,
const std::chrono::seconds* offset_sec = nullptr)
{
// Handle these specially
// %S append fractional seconds if tp has precision finer than seconds
// %T append fractional seconds if tp has precision finer than seconds
// %z replace with offset from zone on +/-hhmm format
// %Ez, %Oz replace with offset from zone on +/-hh:mm format
// %Z replace with abbreviation from zone
using namespace std;
using namespace std::chrono;
auto command = false;
auto modified = false;
for (std::size_t i = 0; i < fmt.size(); ++i)
{
switch (fmt[i])
{
case '%':
command = true;
modified = false;
break;
case 'O':
case 'E':
modified = true;
break;
case 'S':
case 'T':
if (command && !modified && ratio_less<typename Duration::period,
ratio<1>>::value)
{
basic_ostringstream<CharT, Traits> os;
os.imbue(loc);
os << make_time(tp - floor<seconds>(tp));
auto s = os.str();
s.erase(0, 8);
fmt.insert(i+1, s);
i += s.size() - 1;
}
command = false;
modified = false;
break;
case 'z':
if (command)
{
if (offset_sec == nullptr)
throw std::runtime_error("Can not format local_time with %z");
else
{
auto offset = duration_cast<minutes>(*offset_sec);
basic_ostringstream<CharT, Traits> os;
os.imbue(loc);
if (offset >= minutes{0})
os << '+';
os << make_time(offset);
auto s = os.str();
if (!modified)
s.erase(s.find(':'), 1);
fmt.replace(i - 1 - modified, 2 + modified, s);
i += 3;
}
}
command = false;
modified = false;
break;
case 'Z':
if (command && !modified)
{
if (abbrev == nullptr)
throw std::runtime_error("Can not format local_time with %Z");
else
{
fmt.replace(i - 1, 2,
std::basic_string<CharT, Traits>(abbrev->begin(), abbrev->end()));
i += abbrev->size() - 1;
}
}
command = false;
modified = false;
break;
default:
command = false;
modified = false;
break;
}
}
auto& f = use_facet<time_put<CharT>>(loc);
basic_ostringstream<CharT, Traits> os;
os.imbue(loc);
auto ld = floor<days>(tp);
auto ymd = year_month_day{ld};
auto hms = make_time(floor<seconds>(tp - ld));
std::tm tm{};
tm.tm_sec = static_cast<int>(hms.seconds().count());
tm.tm_min = static_cast<int>(hms.minutes().count());
tm.tm_hour = static_cast<int>(hms.hours().count());
tm.tm_mday = static_cast<int>(static_cast<unsigned>(ymd.day()));
tm.tm_mon = static_cast<int>(static_cast<unsigned>(ymd.month()) - 1);
tm.tm_year = static_cast<int>(ymd.year()) - 1900;
tm.tm_wday = static_cast<int>(static_cast<unsigned>(weekday{ld}));
tm.tm_yday = static_cast<int>((ld - local_days(ymd.year()/1/1)).count());
f.put(os, os, os.fill(), &tm, fmt.data(), fmt.data() + fmt.size());
return os.str();
}
} // namespace detail
template <class CharT, class Traits, class Duration>
inline
std::basic_string<CharT, Traits>
format(const std::locale& loc, std::basic_string<CharT, Traits> fmt,
const local_time<Duration>& tp)
{
return detail::format(loc, std::move(fmt), tp);
}
template <class CharT, class Traits, class Duration>
inline
std::basic_string<CharT, Traits>
format(std::basic_string<CharT, Traits> fmt, const local_time<Duration>& tp)
{
return detail::format(std::locale{}, std::move(fmt), tp);
}
template <class CharT, class Traits, class Duration>
inline
std::basic_string<CharT, Traits>
format(const std::locale& loc, std::basic_string<CharT, Traits> fmt,
const sys_time<Duration>& tp)
{
const std::string abbrev("UTC");
CONSTDATA std::chrono::seconds offset{0};
return detail::format(loc, std::move(fmt),
local_time<Duration>{tp.time_since_epoch()}, &abbrev, &offset);
}
template <class CharT, class Traits, class Duration>
inline
std::basic_string<CharT, Traits>
format(std::basic_string<CharT, Traits> fmt, const sys_time<Duration>& tp)
{
const std::string abbrev("UTC");
CONSTDATA std::chrono::seconds offset{0};
return detail::format(std::locale{}, std::move(fmt),
local_time<Duration>{tp.time_since_epoch()}, &abbrev, &offset);
}
// const CharT* formats
template <class CharT, class Duration>
inline
std::basic_string<CharT>
format(const std::locale& loc, const CharT* fmt, const local_time<Duration>& tp)
{
return detail::format(loc, std::basic_string<CharT>(fmt), tp);
}
template <class CharT, class Duration>
inline
std::basic_string<CharT>
format(const CharT* fmt, const local_time<Duration>& tp)
{
return detail::format(std::locale{}, std::basic_string<CharT>(fmt), tp);
}
template <class CharT, class Duration>
inline
std::basic_string<CharT>
format(const std::locale& loc, const CharT* fmt, const sys_time<Duration>& tp)
{
const std::string abbrev("UTC");
CONSTDATA std::chrono::seconds offset{0};
return detail::format(loc, std::basic_string<CharT>(fmt),
local_time<Duration>{tp.time_since_epoch()},
&abbrev, &offset);
}
template <class CharT, class Duration>
inline
std::basic_string<CharT>
format(const CharT* fmt, const sys_time<Duration>& tp)
{
const std::string abbrev("UTC");
CONSTDATA std::chrono::seconds offset{0};
return detail::format(std::locale{}, std::basic_string<CharT>(fmt),
local_time<Duration>{tp.time_since_epoch()},
&abbrev, &offset);
}
// parse
namespace detail
{
template <class CharT, class Traits, class Duration>
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>* abbrev = nullptr,
std::chrono::minutes* offset = nullptr)
{
using namespace std;
using namespace std::chrono;
typename basic_istream<CharT, Traits>::sentry ok{is};
if (ok)
{
auto& f = use_facet<time_get<CharT>>(is.getloc());
ios_base::iostate err = ios_base::goodbit;
std::tm tm{};
Duration subseconds{};
std::basic_string<CharT, Traits> temp_abbrev;
minutes temp_offset{};
auto b = format.data();
auto i = b;
auto e = b + format.size();
auto command = false;
auto modified = false;
for (; i < e && 0 == (err & ios_base::failbit); ++i)
{
switch (*i)
{
case '%':
command = true;
modified = false;
break;
case 'F':
if (command && !modified)
{
f.get(is, 0, is, err, &tm, b, i-1);
b = i+1;
if ((err & ios_base::failbit) == 0)
{
const CharT ymd[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd'};
f.get(is, 0, is, err, &tm, ymd, ymd+8);
}
}
command = false;
modified = false;
break;
case 'O':
case 'E':
modified = true;
break;
case 'T':
case 'S':
if (command && !modified)
{
f.get(is, 0, is, err, &tm, b, i-1);
if (err & ios_base::failbit)
{
command = modified = false;
break; // break the switch/case
}
b = i+1;
if (*i == 'T')
{
const CharT hm[] = {'%', 'H', ':', '%', 'M', ':'};
f.get(is, 0, is, err, &tm, hm, hm+6);
if (err & ios_base::failbit)
{
command = modified = false;
break; // break the switch/case
}
}
if (ratio_less<typename Duration::period, ratio<1>>::value)
{
auto decimal_point = Traits::to_int_type(
use_facet<numpunct<CharT>>(is.getloc()).decimal_point());
string buf;
while (true)
{
auto k = is.peek();
if (Traits::eq_int_type(k, Traits::eof()))
break;
if (Traits::eq_int_type(k, decimal_point))
{
buf += '.';
decimal_point = Traits::eof();
is.get();
}
else
{
auto c = static_cast<char>(Traits::to_char_type(k));
if (isdigit(c))
{
buf += c;
is.get();
}
else
{
break;
}
}
};
if (!buf.empty())
subseconds = round<Duration>(duration<double>{stod(buf)});
else
err |= ios_base::failbit;
}
else
{
const CharT hm[] = {'%', 'S'};
f.get(is, 0, is, err, &tm, hm, hm+2);
}
}
command = false;
modified = false;
break;
case 'z':
if (command)
{
f.get(is, 0, is, err, &tm, b, i-1-modified);
b = i+1;
if ((err & ios_base::failbit) == 0)
{
CharT sign{};
is >> sign;
if (!is.fail() && (sign == '+' || sign == '-'))
{
char h1, h0, m1, m0;
char colon = ':';
h1 = static_cast<char>(is.get());
h0 = static_cast<char>(is.get());
if (modified)
{
if (h0 == ':')
{
colon = h0;
h0 = h1;
h1 = '0';
}
else
colon = static_cast<char>(is.get());
}
m1 = static_cast<char>(is.get());
m0 = static_cast<char>(is.get());
if (!is.fail() && std::isdigit(h1) && std::isdigit(h0)
&& std::isdigit(m1) && std::isdigit(m0)
&& colon == ':')
{
temp_offset = 10*hours{h1 - '0'} + hours{h0 - '0'} +
10*minutes{m1 - '0'} + minutes{m0 - '0'};
if (sign == '-')
temp_offset = -temp_offset;
}
else
err |= ios_base::failbit;
}
else
err |= ios_base::failbit;
}
}
command = false;
modified = false;
break;
case 'Z':
if (command && !modified)
{
f.get(is, 0, is, err, &tm, b, i-1);
b = i+1;
if ((err & ios_base::failbit) == 0)
{
is >> temp_abbrev;
if (is.fail())
err |= ios_base::failbit;
}
}
command = false;
modified = false;
break;
default:
command = false;
modified = false;
break;
}
}
if ((err & ios_base::failbit) == 0)
{
if (b < e)
f.get(is, 0, is, err, &tm, b, e);
if ((err & ios_base::failbit) == 0)
{
using namespace std::chrono;
tp = floor<Duration>(local_days(year{tm.tm_year + 1900}/
(tm.tm_mon+1)/
(tm.tm_mday)) +
subseconds + seconds{tm.tm_sec} +
minutes{tm.tm_min} + hours{tm.tm_hour});
if (abbrev != nullptr)
*abbrev = std::move(temp_abbrev);
if (offset != nullptr)
*offset = temp_offset;
}
}
is.setstate(err);
}
else
is.setstate(ios_base::failbit);
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::chrono::minutes* offset)
{
parse(is, format, tp, static_cast<std::basic_string<CharT, Traits>*>(nullptr), offset);
}
template <class Duration, class CharT, class Traits = std::char_traits<CharT>>
struct parse_local_manip
{
const std::basic_string<CharT, Traits> format_;
local_time<Duration>& tp_;
std::basic_string<CharT, Traits>* abbrev_;
std::chrono::minutes* offset_;
public:
parse_local_manip(std::basic_string<CharT, Traits> format,
local_time<Duration>& tp, std::basic_string<CharT, Traits>* abbrev = nullptr,
std::chrono::minutes* offset = nullptr)
: format_(std::move(format))
, tp_(tp)
, abbrev_(abbrev)
, offset_(offset)
{}
};
template <class Duration, class CharT, class Traits>
std::basic_istream<CharT, Traits>&
operator>>(std::basic_istream<CharT, Traits>& is,
const parse_local_manip<Duration, CharT, Traits>& x)
{
parse(is, x.format_, x.tp_, x.abbrev_, x.offset_);
return is;
}
template <class Duration, class CharT, class Traits = std::char_traits<CharT>>
struct parse_sys_manip
{
const std::basic_string<CharT, Traits> format_;
sys_time<Duration>& tp_;
std::basic_string<CharT, Traits>* abbrev_;
std::chrono::minutes* offset_;
public:
parse_sys_manip(std::basic_string<CharT, Traits> format,
sys_time<Duration>& tp, std::basic_string<CharT, Traits>* abbrev = nullptr,
std::chrono::minutes* offset = nullptr)
: format_(std::move(format))
, tp_(tp)
, abbrev_(abbrev)
, offset_(offset)
{}
};
template <class Duration, class CharT, class Traits>
std::basic_istream<CharT, Traits>&
operator>>(std::basic_istream<CharT, Traits>& is,
const parse_sys_manip<Duration, CharT, Traits>& x)
{
std::chrono::minutes offset{};
auto offptr = x.offset_ ? x.offset_ : &offset;
local_time<Duration> lt;
parse(is, x.format_, lt, x.abbrev_, offptr);
if (!is.fail())
x.tp_ = sys_time<Duration>{floor<Duration>(lt - *offptr).time_since_epoch()};
return is;
}
} // namespace detail
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp)
{
std::chrono::minutes offset{};
local_time<Duration> lt;
detail::parse(is, format, lt, &offset);
if (!is.fail())
tp = sys_time<Duration>{floor<Duration>(lt - offset).time_since_epoch()};
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp)
{
return {format, tp};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
std::chrono::minutes offset{};
local_time<Duration> lt;
detail::parse(is, format, lt, &abbrev, &offset);
if (!is.fail())
tp = sys_time<Duration>{floor<Duration>(lt - offset).time_since_epoch()};
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::chrono::minutes& offset)
{
local_time<Duration> lt;
detail::parse(is, format, lt, &offset);
if (!is.fail())
tp = sys_time<Duration>{floor<Duration>(lt - offset).time_since_epoch()};
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::chrono::minutes& offset)
{
return {format, tp, nullptr, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
local_time<Duration> lt;
detail::parse(is, format, lt, &abbrev, &offset);
if (!is.fail())
tp = sys_time<Duration>{floor<Duration>(lt - offset).time_since_epoch()};
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
local_time<Duration> lt;
detail::parse(is, format, lt, &abbrev, &offset);
if (!is.fail())
tp = sys_time<Duration>{floor<Duration>(lt - offset).time_since_epoch()};
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp)
{
detail::parse(is, format, tp);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp)
{
return {format, tp};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
detail::parse(is, format, tp, &abbrev);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::chrono::minutes& offset)
{
detail::parse(is, format, tp, &offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::chrono::minutes& offset)
{
return {format, tp, nullptr, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
detail::parse(is, format, tp, &abbrev, &offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is,
const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
detail::parse(is, format, tp, &abbrev, &offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev, &offset};
}
// const CharT* formats
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format, sys_time<Duration>& tp)
{
parse(is, std::basic_string<CharT, Traits>(format), tp);
}
template <class Duration, class CharT>
inline
detail::parse_sys_manip<Duration, CharT>
parse(const CharT* format, sys_time<Duration>& tp)
{
return {format, tp};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const CharT* format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format, sys_time<Duration>& tp,
std::chrono::minutes& offset)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, offset);
}
template <class Duration, class CharT>
inline
detail::parse_sys_manip<Duration, CharT>
parse(const CharT* format, sys_time<Duration>& tp, std::chrono::minutes& offset)
{
return {format, tp, nullptr, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev, offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const CharT* format, sys_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format, sys_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev, offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_sys_manip<Duration, CharT, Traits>
parse(const CharT* format, sys_time<Duration>& tp,
std::chrono::minutes& offset, std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format,
local_time<Duration>& tp)
{
parse(is, std::basic_string<CharT, Traits>(format), tp);
}
template <class Duration, class CharT>
inline
detail::parse_local_manip<Duration, CharT>
parse(const CharT* format, local_time<Duration>& tp)
{
return {format, tp};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format,
local_time<Duration>& tp, std::basic_string<CharT, Traits>& abbrev)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const CharT* format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format,
local_time<Duration>& tp, std::chrono::minutes& offset)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, offset);
}
template <class Duration, class CharT>
inline
detail::parse_local_manip<Duration, CharT>
parse(const CharT* format, local_time<Duration>& tp, std::chrono::minutes& offset)
{
return {format, tp, nullptr, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format,
local_time<Duration>& tp, std::basic_string<CharT, Traits>& abbrev,
std::chrono::minutes& offset)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev, offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const CharT* format, local_time<Duration>& tp,
std::basic_string<CharT, Traits>& abbrev, std::chrono::minutes& offset)
{
return {format, tp, &abbrev, &offset};
}
template <class CharT, class Traits, class Duration>
inline
void
parse(std::basic_istream<CharT, Traits>& is, const CharT* format,
local_time<Duration>& tp, std::chrono::minutes& offset,
std::basic_string<CharT, Traits>& abbrev)
{
parse(is, std::basic_string<CharT, Traits>(format), tp, abbrev, offset);
}
template <class Duration, class CharT, class Traits>
inline
detail::parse_local_manip<Duration, CharT, Traits>
parse(const CharT* format, local_time<Duration>& tp, std::chrono::minutes& offset,
std::basic_string<CharT, Traits>& abbrev)
{
return {format, tp, &abbrev, &offset};
}
} // namespace date
#endif // DATE_H