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// -*- 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_MONTHDAY_H
#define _LIBCPP___CHRONO_MONTHDAY_H
#include <__chrono/calendar.h>
#include <__chrono/day.h>
#include <__chrono/month.h>
#include <__config>
#include <compare>
#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 month_day {
private:
chrono::month __m_;
chrono::day __d_;
public:
_LIBCPP_HIDE_FROM_ABI month_day() = default;
_LIBCPP_HIDE_FROM_ABI constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept
: __m_{__mval}, __d_{__dval} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::day day() const noexcept { return __d_; }
_LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept;
};
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool month_day::ok() const noexcept
{
if (!__m_.ok()) return false;
const unsigned __dval = static_cast<unsigned>(__d_);
if (__dval < 1 || __dval > 31) return false;
if (__dval <= 29) return true;
// Now we've got either 30 or 31
const unsigned __mval = static_cast<unsigned>(__m_);
if (__mval == 2) return false;
if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11)
return __dval == 30;
return true;
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept
{ return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
_LIBCPP_HIDE_FROM_ABI constexpr strong_ordering operator<=>(const month_day& __lhs, const month_day& __rhs) noexcept {
if (auto __c = __lhs.month() <=> __rhs.month(); __c != 0)
return __c;
return __lhs.day() <=> __rhs.day();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day operator/(const month& __lhs, const day& __rhs) noexcept
{ return month_day{__lhs, __rhs}; }
_LIBCPP_HIDE_FROM_ABI constexpr
month_day operator/(const day& __lhs, const month& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day operator/(const month& __lhs, int __rhs) noexcept
{ return __lhs / day(__rhs); }
_LIBCPP_HIDE_FROM_ABI constexpr
month_day operator/(int __lhs, const day& __rhs) noexcept
{ return month(__lhs) / __rhs; }
_LIBCPP_HIDE_FROM_ABI constexpr
month_day operator/(const day& __lhs, int __rhs) noexcept
{ return month(__rhs) / __lhs; }
class month_day_last {
private:
chrono::month __m_;
public:
_LIBCPP_HIDE_FROM_ABI explicit constexpr month_day_last(const chrono::month& __val) noexcept
: __m_{__val} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __m_.ok(); }
};
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
{ return __lhs.month() == __rhs.month(); }
_LIBCPP_HIDE_FROM_ABI constexpr strong_ordering
operator<=>(const month_day_last& __lhs, const month_day_last& __rhs) noexcept {
return __lhs.month() <=> __rhs.month();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(const month& __lhs, last_spec) noexcept
{ return month_day_last{__lhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(last_spec, const month& __rhs) noexcept
{ return month_day_last{__rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(int __lhs, last_spec) noexcept
{ return month_day_last{month(__lhs)}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(last_spec, int __rhs) noexcept
{ return month_day_last{month(__rhs)}; }
} // namespace chrono
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER > 17
#endif // _LIBCPP___CHRONO_MONTHDAY_H
|
