xref: /freebsd/contrib/llvm-project/libcxx/include/__chrono/day.h (revision 81ad626541db97eb356e2c1d4a20eb2a26a766ab)
1*81ad6265SDimitry Andric // -*- C++ -*-
2*81ad6265SDimitry Andric //===----------------------------------------------------------------------===//
3*81ad6265SDimitry Andric //
4*81ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*81ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
6*81ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*81ad6265SDimitry Andric //
8*81ad6265SDimitry Andric //===----------------------------------------------------------------------===//
9*81ad6265SDimitry Andric 
10*81ad6265SDimitry Andric #ifndef _LIBCPP___CHRONO_DAY_H
11*81ad6265SDimitry Andric #define _LIBCPP___CHRONO_DAY_H
12*81ad6265SDimitry Andric 
13*81ad6265SDimitry Andric #include <__chrono/duration.h>
14*81ad6265SDimitry Andric #include <__config>
15*81ad6265SDimitry Andric 
16*81ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17*81ad6265SDimitry Andric #  pragma GCC system_header
18*81ad6265SDimitry Andric #endif
19*81ad6265SDimitry Andric 
20*81ad6265SDimitry Andric #if _LIBCPP_STD_VER > 17
21*81ad6265SDimitry Andric 
22*81ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
23*81ad6265SDimitry Andric 
24*81ad6265SDimitry Andric namespace chrono
25*81ad6265SDimitry Andric {
26*81ad6265SDimitry Andric 
27*81ad6265SDimitry Andric class day {
28*81ad6265SDimitry Andric private:
29*81ad6265SDimitry Andric     unsigned char __d;
30*81ad6265SDimitry Andric public:
31*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI day() = default;
32*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
33*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator++()    noexcept { ++__d; return *this; }
34*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI inline constexpr day  operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
35*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator--()    noexcept { --__d; return *this; }
36*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI inline constexpr day  operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
37*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI        constexpr day& operator+=(const days& __dd) noexcept;
38*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI        constexpr day& operator-=(const days& __dd) noexcept;
39*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator unsigned() const noexcept { return __d; }
40*81ad6265SDimitry Andric     _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
41*81ad6265SDimitry Andric   };
42*81ad6265SDimitry Andric 
43*81ad6265SDimitry Andric 
44*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
45*81ad6265SDimitry Andric bool operator==(const day& __lhs, const day& __rhs) noexcept
46*81ad6265SDimitry Andric { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
47*81ad6265SDimitry Andric 
48*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
49*81ad6265SDimitry Andric bool operator!=(const day& __lhs, const day& __rhs) noexcept
50*81ad6265SDimitry Andric { return !(__lhs == __rhs); }
51*81ad6265SDimitry Andric 
52*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
53*81ad6265SDimitry Andric bool operator< (const day& __lhs, const day& __rhs) noexcept
54*81ad6265SDimitry Andric { return static_cast<unsigned>(__lhs) <  static_cast<unsigned>(__rhs); }
55*81ad6265SDimitry Andric 
56*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
57*81ad6265SDimitry Andric bool operator> (const day& __lhs, const day& __rhs) noexcept
58*81ad6265SDimitry Andric { return __rhs < __lhs; }
59*81ad6265SDimitry Andric 
60*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
61*81ad6265SDimitry Andric bool operator<=(const day& __lhs, const day& __rhs) noexcept
62*81ad6265SDimitry Andric { return !(__rhs < __lhs);}
63*81ad6265SDimitry Andric 
64*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
65*81ad6265SDimitry Andric bool operator>=(const day& __lhs, const day& __rhs) noexcept
66*81ad6265SDimitry Andric { return !(__lhs < __rhs); }
67*81ad6265SDimitry Andric 
68*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
69*81ad6265SDimitry Andric day operator+ (const day& __lhs, const days& __rhs) noexcept
70*81ad6265SDimitry Andric { return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
71*81ad6265SDimitry Andric 
72*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
73*81ad6265SDimitry Andric day operator+ (const days& __lhs, const day& __rhs) noexcept
74*81ad6265SDimitry Andric { return __rhs + __lhs; }
75*81ad6265SDimitry Andric 
76*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
77*81ad6265SDimitry Andric day operator- (const day& __lhs, const days& __rhs) noexcept
78*81ad6265SDimitry Andric { return __lhs + -__rhs; }
79*81ad6265SDimitry Andric 
80*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
81*81ad6265SDimitry Andric days operator-(const day& __lhs, const day& __rhs) noexcept
82*81ad6265SDimitry Andric { return days(static_cast<int>(static_cast<unsigned>(__lhs)) -
83*81ad6265SDimitry Andric               static_cast<int>(static_cast<unsigned>(__rhs))); }
84*81ad6265SDimitry Andric 
85*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
86*81ad6265SDimitry Andric day& day::operator+=(const days& __dd) noexcept
87*81ad6265SDimitry Andric { *this = *this + __dd; return *this; }
88*81ad6265SDimitry Andric 
89*81ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI inline constexpr
90*81ad6265SDimitry Andric day& day::operator-=(const days& __dd) noexcept
91*81ad6265SDimitry Andric { *this = *this - __dd; return *this; }
92*81ad6265SDimitry Andric 
93*81ad6265SDimitry Andric } // namespace chrono
94*81ad6265SDimitry Andric 
95*81ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD
96*81ad6265SDimitry Andric 
97*81ad6265SDimitry Andric #endif // _LIBCPP_STD_VER > 17
98*81ad6265SDimitry Andric 
99*81ad6265SDimitry Andric #endif // _LIBCPP___CHRONO_DAY_H
100