forked from OSchip/llvm-project
1277 lines
49 KiB
C++
1277 lines
49 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___CHRONO_CALENDAR_H
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#define _LIBCPP___CHRONO_CALENDAR_H
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#include <__chrono/duration.h>
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#include <__chrono/system_clock.h>
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#include <__chrono/time_point.h>
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#include <__config>
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#include <limits>
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#include <ratio>
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#include <type_traits>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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#if _LIBCPP_STD_VER > 17
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace chrono
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{
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struct local_t {};
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template<class Duration>
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using local_time = time_point<local_t, Duration>;
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using local_seconds = local_time<seconds>;
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using local_days = local_time<days>;
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struct last_spec { explicit last_spec() = default; };
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class day {
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private:
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unsigned char __d;
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public:
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day() = default;
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explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
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inline constexpr day& operator++() noexcept { ++__d; return *this; }
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inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
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inline constexpr day& operator--() noexcept { --__d; return *this; }
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inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
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constexpr day& operator+=(const days& __dd) noexcept;
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constexpr day& operator-=(const days& __dd) noexcept;
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explicit inline constexpr operator unsigned() const noexcept { return __d; }
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inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
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};
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inline constexpr
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bool operator==(const day& __lhs, const day& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
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inline constexpr
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bool operator!=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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bool operator< (const day& __lhs, const day& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
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inline constexpr
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bool operator> (const day& __lhs, const day& __rhs) noexcept
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{ return __rhs < __lhs; }
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inline constexpr
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bool operator<=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__rhs < __lhs);}
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inline constexpr
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bool operator>=(const day& __lhs, const day& __rhs) noexcept
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{ return !(__lhs < __rhs); }
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inline constexpr
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day operator+ (const day& __lhs, const days& __rhs) noexcept
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{ return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
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inline constexpr
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day operator+ (const days& __lhs, const day& __rhs) noexcept
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{ return __rhs + __lhs; }
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inline constexpr
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day operator- (const day& __lhs, const days& __rhs) noexcept
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{ return __lhs + -__rhs; }
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inline constexpr
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days operator-(const day& __lhs, const day& __rhs) noexcept
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{ return days(static_cast<int>(static_cast<unsigned>(__lhs)) -
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static_cast<int>(static_cast<unsigned>(__rhs))); }
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inline constexpr day& day::operator+=(const days& __dd) noexcept
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{ *this = *this + __dd; return *this; }
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inline constexpr day& day::operator-=(const days& __dd) noexcept
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{ *this = *this - __dd; return *this; }
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class month {
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private:
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unsigned char __m;
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public:
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month() = default;
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explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast<unsigned char>(__val)) {}
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inline constexpr month& operator++() noexcept { ++__m; return *this; }
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inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; }
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inline constexpr month& operator--() noexcept { --__m; return *this; }
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inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; }
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constexpr month& operator+=(const months& __m1) noexcept;
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constexpr month& operator-=(const months& __m1) noexcept;
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explicit inline constexpr operator unsigned() const noexcept { return __m; }
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inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; }
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};
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inline constexpr
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bool operator==(const month& __lhs, const month& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
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inline constexpr
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bool operator!=(const month& __lhs, const month& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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bool operator< (const month& __lhs, const month& __rhs) noexcept
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{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
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inline constexpr
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bool operator> (const month& __lhs, const month& __rhs) noexcept
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{ return __rhs < __lhs; }
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inline constexpr
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bool operator<=(const month& __lhs, const month& __rhs) noexcept
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{ return !(__rhs < __lhs); }
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inline constexpr
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bool operator>=(const month& __lhs, const month& __rhs) noexcept
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{ return !(__lhs < __rhs); }
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inline constexpr
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month operator+ (const month& __lhs, const months& __rhs) noexcept
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{
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auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1);
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auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12;
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return month{static_cast<unsigned>(__mu - __yr * 12 + 1)};
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}
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inline constexpr
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month operator+ (const months& __lhs, const month& __rhs) noexcept
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{ return __rhs + __lhs; }
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inline constexpr
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month operator- (const month& __lhs, const months& __rhs) noexcept
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{ return __lhs + -__rhs; }
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inline constexpr
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months operator-(const month& __lhs, const month& __rhs) noexcept
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{
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auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs);
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return months(__dm <= 11 ? __dm : __dm + 12);
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}
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inline constexpr month& month::operator+=(const months& __dm) noexcept
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{ *this = *this + __dm; return *this; }
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inline constexpr month& month::operator-=(const months& __dm) noexcept
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{ *this = *this - __dm; return *this; }
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class year {
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private:
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short __y;
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public:
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year() = default;
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explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {}
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inline constexpr year& operator++() noexcept { ++__y; return *this; }
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inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; }
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inline constexpr year& operator--() noexcept { --__y; return *this; }
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inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; }
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constexpr year& operator+=(const years& __dy) noexcept;
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constexpr year& operator-=(const years& __dy) noexcept;
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inline constexpr year operator+() const noexcept { return *this; }
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inline constexpr year operator-() const noexcept { return year{-__y}; }
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inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); }
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explicit inline constexpr operator int() const noexcept { return __y; }
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constexpr bool ok() const noexcept;
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static inline constexpr year min() noexcept { return year{-32767}; }
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static inline constexpr year max() noexcept { return year{ 32767}; }
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};
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inline constexpr
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bool operator==(const year& __lhs, const year& __rhs) noexcept
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{ return static_cast<int>(__lhs) == static_cast<int>(__rhs); }
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inline constexpr
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bool operator!=(const year& __lhs, const year& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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bool operator< (const year& __lhs, const year& __rhs) noexcept
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{ return static_cast<int>(__lhs) < static_cast<int>(__rhs); }
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inline constexpr
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bool operator> (const year& __lhs, const year& __rhs) noexcept
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{ return __rhs < __lhs; }
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inline constexpr
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bool operator<=(const year& __lhs, const year& __rhs) noexcept
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{ return !(__rhs < __lhs); }
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inline constexpr
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bool operator>=(const year& __lhs, const year& __rhs) noexcept
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{ return !(__lhs < __rhs); }
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inline constexpr
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year operator+ (const year& __lhs, const years& __rhs) noexcept
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{ return year(static_cast<int>(__lhs) + __rhs.count()); }
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inline constexpr
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year operator+ (const years& __lhs, const year& __rhs) noexcept
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{ return __rhs + __lhs; }
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inline constexpr
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year operator- (const year& __lhs, const years& __rhs) noexcept
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{ return __lhs + -__rhs; }
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inline constexpr
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years operator-(const year& __lhs, const year& __rhs) noexcept
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{ return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; }
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inline constexpr year& year::operator+=(const years& __dy) noexcept
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{ *this = *this + __dy; return *this; }
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inline constexpr year& year::operator-=(const years& __dy) noexcept
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{ *this = *this - __dy; return *this; }
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inline constexpr bool year::ok() const noexcept
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{ return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); }
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class weekday_indexed;
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class weekday_last;
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class weekday {
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private:
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unsigned char __wd;
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static constexpr unsigned char __weekday_from_days(int __days) noexcept;
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public:
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weekday() = default;
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inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {}
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inline constexpr weekday(const sys_days& __sysd) noexcept
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: __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {}
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inline explicit constexpr weekday(const local_days& __locd) noexcept
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: __wd(__weekday_from_days(__locd.time_since_epoch().count())) {}
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inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; }
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inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; }
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inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; }
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inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; }
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constexpr weekday& operator+=(const days& __dd) noexcept;
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constexpr weekday& operator-=(const days& __dd) noexcept;
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inline constexpr unsigned c_encoding() const noexcept { return __wd; }
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inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; }
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inline constexpr bool ok() const noexcept { return __wd <= 6; }
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constexpr weekday_indexed operator[](unsigned __index) const noexcept;
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constexpr weekday_last operator[](last_spec) const noexcept;
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};
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// https://howardhinnant.github.io/date_algorithms.html#weekday_from_days
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inline constexpr
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unsigned char weekday::__weekday_from_days(int __days) noexcept
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{
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return static_cast<unsigned char>(
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static_cast<unsigned>(__days >= -4 ? (__days+4) % 7 : (__days+5) % 7 + 6)
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);
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}
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inline constexpr
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bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept
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{ return __lhs.c_encoding() == __rhs.c_encoding(); }
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inline constexpr
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bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept
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{ return __lhs.c_encoding() < __rhs.c_encoding(); }
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inline constexpr
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bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept
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{ return __rhs < __lhs; }
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inline constexpr
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bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept
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{ return !(__rhs < __lhs);}
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inline constexpr
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bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept
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{ return !(__lhs < __rhs); }
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constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept
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{
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auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count();
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auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7;
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return weekday{static_cast<unsigned>(__mu - __yr * 7)};
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}
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constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept
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{ return __rhs + __lhs; }
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constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept
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{ return __lhs + -__rhs; }
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constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept
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{
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const int __wdu = __lhs.c_encoding() - __rhs.c_encoding();
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const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7;
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return days{__wdu - __wk * 7};
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}
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inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept
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{ *this = *this + __dd; return *this; }
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inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept
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{ *this = *this - __dd; return *this; }
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class weekday_indexed {
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private:
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chrono::weekday __wd;
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unsigned char __idx;
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public:
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weekday_indexed() = default;
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inline constexpr weekday_indexed(const chrono::weekday& __wdval, unsigned __idxval) noexcept
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: __wd{__wdval}, __idx(__idxval) {}
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inline constexpr chrono::weekday weekday() const noexcept { return __wd; }
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inline constexpr unsigned index() const noexcept { return __idx; }
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inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; }
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};
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inline constexpr
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bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
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{ return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); }
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inline constexpr
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bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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class weekday_last {
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private:
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chrono::weekday __wd;
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public:
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explicit constexpr weekday_last(const chrono::weekday& __val) noexcept
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: __wd{__val} {}
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constexpr chrono::weekday weekday() const noexcept { return __wd; }
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constexpr bool ok() const noexcept { return __wd.ok(); }
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};
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inline constexpr
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bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
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{ return __lhs.weekday() == __rhs.weekday(); }
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inline constexpr
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bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; }
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inline constexpr
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weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; }
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inline constexpr last_spec last{};
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inline constexpr weekday Sunday{0};
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inline constexpr weekday Monday{1};
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inline constexpr weekday Tuesday{2};
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inline constexpr weekday Wednesday{3};
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inline constexpr weekday Thursday{4};
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inline constexpr weekday Friday{5};
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inline constexpr weekday Saturday{6};
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inline constexpr month January{1};
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inline constexpr month February{2};
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inline constexpr month March{3};
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inline constexpr month April{4};
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inline constexpr month May{5};
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inline constexpr month June{6};
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inline constexpr month July{7};
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inline constexpr month August{8};
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inline constexpr month September{9};
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inline constexpr month October{10};
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inline constexpr month November{11};
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inline constexpr month December{12};
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class month_day {
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private:
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chrono::month __m;
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chrono::day __d;
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public:
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month_day() = default;
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constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept
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: __m{__mval}, __d{__dval} {}
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inline constexpr chrono::month month() const noexcept { return __m; }
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inline constexpr chrono::day day() const noexcept { return __d; }
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constexpr bool ok() const noexcept;
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};
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inline constexpr
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bool month_day::ok() const noexcept
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{
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if (!__m.ok()) return false;
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const unsigned __dval = static_cast<unsigned>(__d);
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if (__dval < 1 || __dval > 31) return false;
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if (__dval <= 29) return true;
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// Now we've got either 30 or 31
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const unsigned __mval = static_cast<unsigned>(__m);
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if (__mval == 2) return false;
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if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11)
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return __dval == 30;
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return true;
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}
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inline constexpr
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bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept
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{ return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
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inline constexpr
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bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept
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{ return !(__lhs == __rhs); }
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inline constexpr
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month_day operator/(const month& __lhs, const day& __rhs) noexcept
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{ return month_day{__lhs, __rhs}; }
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constexpr
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month_day operator/(const day& __lhs, const month& __rhs) noexcept
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{ return __rhs / __lhs; }
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inline constexpr
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month_day operator/(const month& __lhs, int __rhs) noexcept
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{ return __lhs / day(__rhs); }
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constexpr
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month_day operator/(int __lhs, const day& __rhs) noexcept
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{ return month(__lhs) / __rhs; }
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constexpr
|
|
month_day operator/(const day& __lhs, int __rhs) noexcept
|
|
{ return month(__rhs) / __lhs; }
|
|
|
|
|
|
inline constexpr
|
|
bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept
|
|
{ return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); }
|
|
|
|
inline constexpr
|
|
bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept
|
|
{ return __rhs < __lhs; }
|
|
|
|
inline constexpr
|
|
bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
{ return !(__rhs < __lhs);}
|
|
|
|
inline constexpr
|
|
bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
|
|
|
|
class month_day_last {
|
|
private:
|
|
chrono::month __m;
|
|
public:
|
|
explicit constexpr month_day_last(const chrono::month& __val) noexcept
|
|
: __m{__val} {}
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr bool ok() const noexcept { return __m.ok(); }
|
|
};
|
|
|
|
inline constexpr
|
|
bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return __lhs.month() == __rhs.month(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return __lhs.month() < __rhs.month(); }
|
|
|
|
inline constexpr
|
|
bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return __rhs < __lhs; }
|
|
|
|
inline constexpr
|
|
bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return !(__rhs < __lhs);}
|
|
|
|
inline constexpr
|
|
bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
inline constexpr
|
|
month_day_last operator/(const month& __lhs, last_spec) noexcept
|
|
{ return month_day_last{__lhs}; }
|
|
|
|
inline constexpr
|
|
month_day_last operator/(last_spec, const month& __rhs) noexcept
|
|
{ return month_day_last{__rhs}; }
|
|
|
|
inline constexpr
|
|
month_day_last operator/(int __lhs, last_spec) noexcept
|
|
{ return month_day_last{month(__lhs)}; }
|
|
|
|
inline constexpr
|
|
month_day_last operator/(last_spec, int __rhs) noexcept
|
|
{ return month_day_last{month(__rhs)}; }
|
|
|
|
|
|
class month_weekday {
|
|
private:
|
|
chrono::month __m;
|
|
chrono::weekday_indexed __wdi;
|
|
public:
|
|
constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept
|
|
: __m{__mval}, __wdi{__wdival} {}
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
|
|
inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); }
|
|
};
|
|
|
|
inline constexpr
|
|
bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
|
|
{ return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept
|
|
{ return month_weekday{__lhs, __rhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept
|
|
{ return month_weekday{month(__lhs), __rhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept
|
|
{ return month_weekday{__rhs, __lhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept
|
|
{ return month_weekday{month(__rhs), __lhs}; }
|
|
|
|
|
|
class month_weekday_last {
|
|
chrono::month __m;
|
|
chrono::weekday_last __wdl;
|
|
public:
|
|
constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept
|
|
: __m{__mval}, __wdl{__wdlval} {}
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
|
|
inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); }
|
|
};
|
|
|
|
inline constexpr
|
|
bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
|
|
{ return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
|
|
inline constexpr
|
|
month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept
|
|
{ return month_weekday_last{__lhs, __rhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept
|
|
{ return month_weekday_last{month(__lhs), __rhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept
|
|
{ return month_weekday_last{__rhs, __lhs}; }
|
|
|
|
inline constexpr
|
|
month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept
|
|
{ return month_weekday_last{month(__rhs), __lhs}; }
|
|
|
|
|
|
class year_month {
|
|
chrono::year __y;
|
|
chrono::month __m;
|
|
public:
|
|
year_month() = default;
|
|
constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept
|
|
: __y{__yval}, __m{__mval} {}
|
|
inline constexpr chrono::year year() const noexcept { return __y; }
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; }
|
|
inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; }
|
|
inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; }
|
|
inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; }
|
|
inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); }
|
|
};
|
|
|
|
inline constexpr
|
|
year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; }
|
|
|
|
inline constexpr
|
|
year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; }
|
|
|
|
inline constexpr
|
|
bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); }
|
|
|
|
inline constexpr
|
|
bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return __rhs < __lhs; }
|
|
|
|
inline constexpr
|
|
bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return !(__rhs < __lhs);}
|
|
|
|
inline constexpr
|
|
bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept
|
|
{
|
|
int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count();
|
|
const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12;
|
|
__dmi = __dmi - __dy * 12 + 1;
|
|
return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi));
|
|
}
|
|
|
|
constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept
|
|
{ return (__lhs.year() + __rhs) / __lhs.month(); }
|
|
|
|
constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
{ return (__lhs.year() - __rhs.year()) + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); }
|
|
|
|
constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept
|
|
{ return __lhs + -__rhs; }
|
|
|
|
constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept
|
|
{ return __lhs + -__rhs; }
|
|
|
|
class year_month_day_last;
|
|
|
|
class year_month_day {
|
|
private:
|
|
chrono::year __y;
|
|
chrono::month __m;
|
|
chrono::day __d;
|
|
public:
|
|
year_month_day() = default;
|
|
inline constexpr year_month_day(
|
|
const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept
|
|
: __y{__yval}, __m{__mval}, __d{__dval} {}
|
|
constexpr year_month_day(const year_month_day_last& __ymdl) noexcept;
|
|
inline constexpr year_month_day(const sys_days& __sysd) noexcept
|
|
: year_month_day(__from_days(__sysd.time_since_epoch())) {}
|
|
inline explicit constexpr year_month_day(const local_days& __locd) noexcept
|
|
: year_month_day(__from_days(__locd.time_since_epoch())) {}
|
|
|
|
constexpr year_month_day& operator+=(const months& __dm) noexcept;
|
|
constexpr year_month_day& operator-=(const months& __dm) noexcept;
|
|
constexpr year_month_day& operator+=(const years& __dy) noexcept;
|
|
constexpr year_month_day& operator-=(const years& __dy) noexcept;
|
|
|
|
inline constexpr chrono::year year() const noexcept { return __y; }
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr chrono::day day() const noexcept { return __d; }
|
|
inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
|
|
constexpr bool ok() const noexcept;
|
|
|
|
static constexpr year_month_day __from_days(days __d) noexcept;
|
|
constexpr days __to_days() const noexcept;
|
|
};
|
|
|
|
|
|
// https://howardhinnant.github.io/date_algorithms.html#civil_from_days
|
|
inline constexpr
|
|
year_month_day
|
|
year_month_day::__from_days(days __d) noexcept
|
|
{
|
|
static_assert(numeric_limits<unsigned>::digits >= 18, "");
|
|
static_assert(numeric_limits<int>::digits >= 20 , "");
|
|
const int __z = __d.count() + 719468;
|
|
const int __era = (__z >= 0 ? __z : __z - 146096) / 146097;
|
|
const unsigned __doe = static_cast<unsigned>(__z - __era * 146097); // [0, 146096]
|
|
const unsigned __yoe = (__doe - __doe/1460 + __doe/36524 - __doe/146096) / 365; // [0, 399]
|
|
const int __yr = static_cast<int>(__yoe) + __era * 400;
|
|
const unsigned __doy = __doe - (365 * __yoe + __yoe/4 - __yoe/100); // [0, 365]
|
|
const unsigned __mp = (5 * __doy + 2)/153; // [0, 11]
|
|
const unsigned __dy = __doy - (153 * __mp + 2)/5 + 1; // [1, 31]
|
|
const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12]
|
|
return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}};
|
|
}
|
|
|
|
// https://howardhinnant.github.io/date_algorithms.html#days_from_civil
|
|
inline constexpr days year_month_day::__to_days() const noexcept
|
|
{
|
|
static_assert(numeric_limits<unsigned>::digits >= 18, "");
|
|
static_assert(numeric_limits<int>::digits >= 20 , "");
|
|
|
|
const int __yr = static_cast<int>(__y) - (__m <= February);
|
|
const unsigned __mth = static_cast<unsigned>(__m);
|
|
const unsigned __dy = static_cast<unsigned>(__d);
|
|
|
|
const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400;
|
|
const unsigned __yoe = static_cast<unsigned>(__yr - __era * 400); // [0, 399]
|
|
const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy-1; // [0, 365]
|
|
const unsigned __doe = __yoe * 365 + __yoe/4 - __yoe/100 + __doy; // [0, 146096]
|
|
return days{__era * 146097 + static_cast<int>(__doe) - 719468};
|
|
}
|
|
|
|
inline constexpr
|
|
bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{
|
|
if (__lhs.year() < __rhs.year()) return true;
|
|
if (__lhs.year() > __rhs.year()) return false;
|
|
if (__lhs.month() < __rhs.month()) return true;
|
|
if (__lhs.month() > __rhs.month()) return false;
|
|
return __lhs.day() < __rhs.day();
|
|
}
|
|
|
|
inline constexpr
|
|
bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return __rhs < __lhs; }
|
|
|
|
inline constexpr
|
|
bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return !(__rhs < __lhs);}
|
|
|
|
inline constexpr
|
|
bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept
|
|
{ return year_month_day{__lhs.year(), __lhs.month(), __rhs}; }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(const year_month& __lhs, int __rhs) noexcept
|
|
{ return __lhs / day(__rhs); }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept
|
|
{ return __lhs / __rhs.month() / __rhs.day(); }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(int __lhs, const month_day& __rhs) noexcept
|
|
{ return year(__lhs) / __rhs; }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept
|
|
{ return __rhs / __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_day operator/(const month_day& __lhs, int __rhs) noexcept
|
|
{ return year(__rhs) / __lhs; }
|
|
|
|
|
|
inline constexpr
|
|
year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept
|
|
{ return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); }
|
|
|
|
inline constexpr
|
|
year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept
|
|
{ return __lhs + -__rhs; }
|
|
|
|
inline constexpr
|
|
year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept
|
|
{ return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); }
|
|
|
|
inline constexpr
|
|
year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept
|
|
{ return __lhs + -__rhs; }
|
|
|
|
inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
|
class year_month_day_last {
|
|
private:
|
|
chrono::year __y;
|
|
chrono::month_day_last __mdl;
|
|
public:
|
|
constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept
|
|
: __y{__yval}, __mdl{__mdlval} {}
|
|
|
|
constexpr year_month_day_last& operator+=(const months& __m) noexcept;
|
|
constexpr year_month_day_last& operator-=(const months& __m) noexcept;
|
|
constexpr year_month_day_last& operator+=(const years& __y) noexcept;
|
|
constexpr year_month_day_last& operator-=(const years& __y) noexcept;
|
|
|
|
inline constexpr chrono::year year() const noexcept { return __y; }
|
|
inline constexpr chrono::month month() const noexcept { return __mdl.month(); }
|
|
inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; }
|
|
constexpr chrono::day day() const noexcept;
|
|
inline constexpr operator sys_days() const noexcept { return sys_days{year()/month()/day()}; }
|
|
inline explicit constexpr operator local_days() const noexcept { return local_days{year()/month()/day()}; }
|
|
inline constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); }
|
|
};
|
|
|
|
inline constexpr
|
|
chrono::day year_month_day_last::day() const noexcept
|
|
{
|
|
constexpr chrono::day __d[] =
|
|
{
|
|
chrono::day(31), chrono::day(28), chrono::day(31),
|
|
chrono::day(30), chrono::day(31), chrono::day(30),
|
|
chrono::day(31), chrono::day(31), chrono::day(30),
|
|
chrono::day(31), chrono::day(30), chrono::day(31)
|
|
};
|
|
return (month() != February || !__y.is_leap()) && month().ok() ?
|
|
__d[static_cast<unsigned>(month()) - 1] : chrono::day{29};
|
|
}
|
|
|
|
inline constexpr
|
|
bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{
|
|
if (__lhs.year() < __rhs.year()) return true;
|
|
if (__lhs.year() > __rhs.year()) return false;
|
|
return __lhs.month_day_last() < __rhs.month_day_last();
|
|
}
|
|
|
|
inline constexpr
|
|
bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return __rhs < __lhs; }
|
|
|
|
inline constexpr
|
|
bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return !(__rhs < __lhs);}
|
|
|
|
inline constexpr
|
|
bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept
|
|
{ return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; }
|
|
|
|
inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept
|
|
{ return year_month_day_last{__lhs, __rhs}; }
|
|
|
|
inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept
|
|
{ return year_month_day_last{year{__lhs}, __rhs}; }
|
|
|
|
inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept
|
|
{ return __rhs / __lhs; }
|
|
|
|
inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept
|
|
{ return year{__rhs} / __lhs; }
|
|
|
|
|
|
inline constexpr
|
|
year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept
|
|
{ return (__lhs.year() / __lhs.month() + __rhs) / last; }
|
|
|
|
inline constexpr
|
|
year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
inline constexpr
|
|
year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept
|
|
{ return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; }
|
|
|
|
inline constexpr
|
|
year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
inline constexpr year_month_day_last& year_month_day_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
|
inline constexpr year_month_day::year_month_day(const year_month_day_last& __ymdl) noexcept
|
|
: __y{__ymdl.year()}, __m{__ymdl.month()}, __d{__ymdl.day()} {}
|
|
|
|
inline constexpr bool year_month_day::ok() const noexcept
|
|
{
|
|
if (!__y.ok() || !__m.ok()) return false;
|
|
return chrono::day{1} <= __d && __d <= (__y / __m / last).day();
|
|
}
|
|
|
|
class year_month_weekday {
|
|
chrono::year __y;
|
|
chrono::month __m;
|
|
chrono::weekday_indexed __wdi;
|
|
public:
|
|
year_month_weekday() = default;
|
|
constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval,
|
|
const chrono::weekday_indexed& __wdival) noexcept
|
|
: __y{__yval}, __m{__mval}, __wdi{__wdival} {}
|
|
constexpr year_month_weekday(const sys_days& __sysd) noexcept
|
|
: year_month_weekday(__from_days(__sysd.time_since_epoch())) {}
|
|
inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept
|
|
: year_month_weekday(__from_days(__locd.time_since_epoch())) {}
|
|
constexpr year_month_weekday& operator+=(const months& m) noexcept;
|
|
constexpr year_month_weekday& operator-=(const months& m) noexcept;
|
|
constexpr year_month_weekday& operator+=(const years& y) noexcept;
|
|
constexpr year_month_weekday& operator-=(const years& y) noexcept;
|
|
|
|
inline constexpr chrono::year year() const noexcept { return __y; }
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr chrono::weekday weekday() const noexcept { return __wdi.weekday(); }
|
|
inline constexpr unsigned index() const noexcept { return __wdi.index(); }
|
|
inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
|
|
|
|
inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
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());
|
|
}
|
|
|
|
static constexpr year_month_weekday __from_days(days __d) noexcept;
|
|
constexpr days __to_days() const noexcept;
|
|
};
|
|
|
|
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]};
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
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(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept
|
|
{ return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept
|
|
{ return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept
|
|
{ return year(__lhs) / __rhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept
|
|
{ return __rhs / __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept
|
|
{ return year(__rhs) / __lhs; }
|
|
|
|
|
|
inline constexpr
|
|
year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept
|
|
{ return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
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()}; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
|
|
inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
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:
|
|
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} {}
|
|
constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept;
|
|
constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept;
|
|
constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept;
|
|
constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept;
|
|
|
|
inline constexpr chrono::year year() const noexcept { return __y; }
|
|
inline constexpr chrono::month month() const noexcept { return __m; }
|
|
inline constexpr chrono::weekday weekday() const noexcept { return __wdl.weekday(); }
|
|
inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
|
|
inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __wdl.ok(); }
|
|
|
|
constexpr days __to_days() const noexcept;
|
|
|
|
};
|
|
|
|
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();
|
|
|
|
}
|
|
|
|
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(); }
|
|
|
|
inline constexpr
|
|
bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
|
|
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}; }
|
|
|
|
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()}; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept
|
|
{ return year(__lhs) / __rhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept
|
|
{ return __rhs / __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept
|
|
{ return year(__rhs) / __lhs; }
|
|
|
|
|
|
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(); }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
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()}; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
{ return __rhs + __lhs; }
|
|
|
|
inline constexpr
|
|
year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept
|
|
{ return __lhs + (-__rhs); }
|
|
|
|
inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
|
|
|
template <class _Duration>
|
|
class hh_mm_ss
|
|
{
|
|
private:
|
|
static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration");
|
|
using __CommonType = common_type_t<_Duration, chrono::seconds>;
|
|
|
|
static constexpr uint64_t __pow10(unsigned __exp)
|
|
{
|
|
uint64_t __ret = 1;
|
|
for (unsigned __i = 0; __i < __exp; ++__i)
|
|
__ret *= 10U;
|
|
return __ret;
|
|
}
|
|
|
|
static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0)
|
|
{
|
|
if (__n >= 2 && __d != 0 && __w < 19)
|
|
return 1 + __width(__n, __d % __n * 10, __w+1);
|
|
return 0;
|
|
}
|
|
|
|
public:
|
|
static unsigned constexpr fractional_width = __width(__CommonType::period::den) < 19 ?
|
|
__width(__CommonType::period::den) : 6u;
|
|
using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>;
|
|
|
|
constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {}
|
|
|
|
constexpr explicit hh_mm_ss(_Duration __d) noexcept :
|
|
__is_neg(__d < _Duration(0)),
|
|
__h(duration_cast<chrono::hours> (abs(__d))),
|
|
__m(duration_cast<chrono::minutes>(abs(__d) - hours())),
|
|
__s(duration_cast<chrono::seconds>(abs(__d) - hours() - minutes())),
|
|
__f(duration_cast<precision> (abs(__d) - hours() - minutes() - seconds()))
|
|
{}
|
|
|
|
constexpr bool is_negative() const noexcept { return __is_neg; }
|
|
constexpr chrono::hours hours() const noexcept { return __h; }
|
|
constexpr chrono::minutes minutes() const noexcept { return __m; }
|
|
constexpr chrono::seconds seconds() const noexcept { return __s; }
|
|
constexpr precision subseconds() const noexcept { return __f; }
|
|
|
|
constexpr precision to_duration() const noexcept
|
|
{
|
|
auto __dur = __h + __m + __s + __f;
|
|
return __is_neg ? -__dur : __dur;
|
|
}
|
|
|
|
constexpr explicit operator precision() const noexcept { return to_duration(); }
|
|
|
|
private:
|
|
bool __is_neg;
|
|
chrono::hours __h;
|
|
chrono::minutes __m;
|
|
chrono::seconds __s;
|
|
precision __f;
|
|
};
|
|
|
|
constexpr bool is_am(const hours& __h) noexcept { return __h >= hours( 0) && __h < hours(12); }
|
|
constexpr bool is_pm(const hours& __h) noexcept { return __h >= hours(12) && __h < hours(24); }
|
|
|
|
constexpr hours make12(const hours& __h) noexcept
|
|
{
|
|
if (__h == hours( 0)) return hours(12);
|
|
else if (__h <= hours(12)) return __h;
|
|
else return __h - hours(12);
|
|
}
|
|
|
|
constexpr hours make24(const hours& __h, bool __is_pm) noexcept
|
|
{
|
|
if (__is_pm)
|
|
return __h == hours(12) ? __h : __h + hours(12);
|
|
else
|
|
return __h == hours(12) ? hours(0) : __h;
|
|
}
|
|
|
|
} // namespace chrono
|
|
|
|
inline namespace literals
|
|
{
|
|
inline namespace chrono_literals
|
|
{
|
|
constexpr chrono::day operator ""d(unsigned long long __d) noexcept
|
|
{
|
|
return chrono::day(static_cast<unsigned>(__d));
|
|
}
|
|
|
|
constexpr chrono::year operator ""y(unsigned long long __y) noexcept
|
|
{
|
|
return chrono::year(static_cast<int>(__y));
|
|
}
|
|
} // namespace chrono_literals
|
|
} // namespace literals
|
|
|
|
namespace chrono { // hoist the literals into namespace std::chrono
|
|
using namespace literals::chrono_literals;
|
|
} // namespace chrono
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_STD_VER > 17
|
|
|
|
_LIBCPP_POP_MACROS
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#endif // _LIBCPP___CHRONO_CALENDAR_H
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