| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H |
| #define _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H |
| |
| #include <__chrono/calendar.h> |
| #include <__chrono/day.h> |
| #include <__chrono/duration.h> |
| #include <__chrono/month.h> |
| #include <__chrono/month_weekday.h> |
| #include <__chrono/system_clock.h> |
| #include <__chrono/time_point.h> |
| #include <__chrono/weekday.h> |
| #include <__chrono/year.h> |
| #include <__chrono/year_month.h> |
| #include <__chrono/year_month_day.h> |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| #if _LIBCPP_STD_VER > 17 |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| namespace chrono |
| { |
| |
| class year_month_weekday { |
| chrono::year __y_; |
| chrono::month __m_; |
| chrono::weekday_indexed __wdi_; |
| public: |
| _LIBCPP_HIDE_FROM_ABI year_month_weekday() = default; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval, |
| const chrono::weekday_indexed& __wdival) noexcept |
| : __y_{__yval}, __m_{__mval}, __wdi_{__wdival} {} |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday(const sys_days& __sysd) noexcept |
| : year_month_weekday(__from_days(__sysd.time_since_epoch())) {} |
| _LIBCPP_HIDE_FROM_ABI inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept |
| : year_month_weekday(__from_days(__locd.time_since_epoch())) {} |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator+=(const months&) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator-=(const months&) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator+=(const years&) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator-=(const years&) noexcept; |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wdi_.weekday(); } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr unsigned index() const noexcept { return __wdi_.index(); } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi_; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } |
| _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept |
| { |
| if (!__y_.ok() || !__m_.ok() || !__wdi_.ok()) return false; |
| if (__wdi_.index() <= 4) return true; |
| auto __nth_weekday_day = |
| __wdi_.weekday() - |
| chrono::weekday{static_cast<sys_days>(__y_ / __m_ / 1)} + |
| days{(__wdi_.index() - 1) * 7 + 1}; |
| return static_cast<unsigned>(__nth_weekday_day.count()) <= |
| static_cast<unsigned>((__y_ / __m_ / last).day()); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI static constexpr year_month_weekday __from_days(days __d) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr days __to_days() const noexcept; |
| }; |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday year_month_weekday::__from_days(days __d) noexcept |
| { |
| const sys_days __sysd{__d}; |
| const chrono::weekday __wd = chrono::weekday(__sysd); |
| const year_month_day __ymd = year_month_day(__sysd); |
| return year_month_weekday{__ymd.year(), __ymd.month(), |
| __wd[(static_cast<unsigned>(__ymd.day())-1)/7+1]}; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| days year_month_weekday::__to_days() const noexcept |
| { |
| const sys_days __sysd = sys_days(__y_/__m_/1); |
| return (__sysd + (__wdi_.weekday() - chrono::weekday(__sysd) + days{(__wdi_.index()-1)*7})) |
| .time_since_epoch(); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept |
| { return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept |
| { return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept |
| { return year(__lhs) / __rhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept |
| { return year(__rhs) / __lhs; } |
| |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept |
| { return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| class year_month_weekday_last { |
| private: |
| chrono::year __y_; |
| chrono::month __m_; |
| chrono::weekday_last __wdl_; |
| public: |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last(const chrono::year& __yval, const chrono::month& __mval, |
| const chrono::weekday_last& __wdlval) noexcept |
| : __y_{__yval}, __m_{__mval}, __wdl_{__wdlval} {} |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept; |
| _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept; |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wdl_.weekday(); } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl_; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } |
| _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __y_.ok() && __m_.ok() && __wdl_.ok(); } |
| |
| _LIBCPP_HIDE_FROM_ABI constexpr days __to_days() const noexcept; |
| |
| }; |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| days year_month_weekday_last::__to_days() const noexcept |
| { |
| const sys_days __last = sys_days{__y_/__m_/last}; |
| return (__last - (chrono::weekday{__last} - __wdl_.weekday())).time_since_epoch(); |
| |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return !(__lhs == __rhs); } |
| |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept |
| { return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept |
| { return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept |
| { return year(__lhs) / __rhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept |
| { return __rhs / __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept |
| { return year(__rhs) / __lhs; } |
| |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept |
| { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept |
| { return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept |
| { return __rhs + __lhs; } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr |
| year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept |
| { return __lhs + (-__rhs); } |
| |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; } |
| _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; } |
| |
| } // namespace chrono |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_STD_VER > 17 |
| |
| #endif // _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H |