30#ifndef _GLIBCXX_CHRONO_IO_H
31#define _GLIBCXX_CHRONO_IO_H 1
33#pragma GCC system_header
35#if __cplusplus >= 202002L
43namespace std _GLIBCXX_VISIBILITY(default)
45_GLIBCXX_BEGIN_NAMESPACE_VERSION
60 template<
typename _CharT>
62 _Widen(
const char* __narrow,
const wchar_t* __wide)
64 if constexpr (is_same_v<_CharT, wchar_t>)
69#define _GLIBCXX_WIDEN_(C, S) ::std::chrono::__detail::_Widen<C>(S, L##S)
70#define _GLIBCXX_WIDEN(S) _GLIBCXX_WIDEN_(_CharT, S)
74 template<
typename _Period>
76 __units_suffix_misc(
char* __buf,
size_t )
noexcept
81 unsigned __nlen = __tc::__to_chars_len((uintmax_t)_Period::num);
82 __tc::__to_chars_10_impl(__p + 1, __nlen, (uintmax_t)_Period::num);
84 if constexpr (_Period::den != 1)
87 unsigned __dlen = __tc::__to_chars_len((uintmax_t)_Period::den);
88 __tc::__to_chars_10_impl(__p + 1, __dlen, (uintmax_t)_Period::den);
97 template<
typename _Period,
typename _CharT>
99 __units_suffix(
char* __buf,
size_t __n)
noexcept
104#define _GLIBCXX_UNITS_SUFFIX(period, suffix) \
105 if constexpr (is_same_v<_Period, period>) \
106 return _GLIBCXX_WIDEN(suffix); \
109 _GLIBCXX_UNITS_SUFFIX(
atto,
"as")
110 _GLIBCXX_UNITS_SUFFIX(
femto,
"fs")
111 _GLIBCXX_UNITS_SUFFIX(
pico,
"ps")
112 _GLIBCXX_UNITS_SUFFIX(
nano,
"ns")
113 _GLIBCXX_UNITS_SUFFIX(
milli,
"ms")
114#if _GLIBCXX_USE_ALT_MICROSECONDS_SUFFIX
117 _GLIBCXX_UNITS_SUFFIX(
micro,
"\u00b5s")
119 _GLIBCXX_UNITS_SUFFIX(
micro,
"us")
121 _GLIBCXX_UNITS_SUFFIX(
centi,
"cs")
122 _GLIBCXX_UNITS_SUFFIX(
deci,
"ds")
123 _GLIBCXX_UNITS_SUFFIX(
ratio<1>,
"s")
124 _GLIBCXX_UNITS_SUFFIX(
deca,
"das")
125 _GLIBCXX_UNITS_SUFFIX(
hecto,
"hs")
126 _GLIBCXX_UNITS_SUFFIX(
kilo,
"ks")
127 _GLIBCXX_UNITS_SUFFIX(
mega,
"Ms")
128 _GLIBCXX_UNITS_SUFFIX(
giga,
"Gs")
129 _GLIBCXX_UNITS_SUFFIX(
tera,
"Ts")
130 _GLIBCXX_UNITS_SUFFIX(
tera,
"Ts")
131 _GLIBCXX_UNITS_SUFFIX(
peta,
"Ps")
132 _GLIBCXX_UNITS_SUFFIX(
exa,
"Es")
136#undef _GLIBCXX_UNITS_SUFFIX
137 return __detail::__units_suffix_misc<_Period>(__buf, __n);
146 template<
typename _CharT,
typename _Traits,
147 typename _Rep,
typename _Period>
152 using period =
typename _Period::type;
159 __s << __detail::__units_suffix<period, _CharT>(__buf,
sizeof(__buf));
168 template<
typename _Duration>
169 struct __local_time_fmt
172 const string* _M_abbrev;
176 struct __local_fmt_t;
189 template<
typename _Duration>
190 inline __detail::__local_time_fmt<_Duration>
192 const string* __abbrev =
nullptr,
193 const seconds* __offset_sec =
nullptr)
194 {
return {__time, __abbrev, __offset_sec}; }
202 [[noreturn,__gnu__::__always_inline__]]
204 __no_timezone_available()
205 { __throw_format_error(
"format error: no timezone available for %Z or %z"); }
207 [[noreturn,__gnu__::__always_inline__]]
209 __not_valid_for_duration()
210 { __throw_format_error(
"format error: chrono-format-spec not valid for "
211 "chrono::duration"); }
213 [[noreturn,__gnu__::__always_inline__]]
215 __invalid_chrono_spec()
216 { __throw_format_error(
"format error: chrono-format-spec not valid for "
219 template<
typename _CharT>
220 struct _ChronoSpec : _Spec<_CharT>
222 basic_string_view<_CharT> _M_chrono_specs;
229 _Year = 1, _Month = 2, _Day = 4, _Weekday = 8, _TimeOfDay = 16,
231 _Date = _Year | _Month | _Day | _Weekday,
232 _DateTime = _Date | _TimeOfDay,
233 _ZonedDateTime = _DateTime | _TimeZone,
237 constexpr _ChronoParts
238 operator|(_ChronoParts __x, _ChronoParts __y)
239 {
return static_cast<_ChronoParts
>((int)__x | (
int)__y); }
242 template<
typename _CharT>
243 struct __formatter_chrono
245 using __string_view = basic_string_view<_CharT>;
246 using __string = basic_string<_CharT>;
248 template<
typename _ParseContext>
249 constexpr typename _ParseContext::iterator
250 _M_parse(_ParseContext& __pc, _ChronoParts __parts)
252 auto __first = __pc.
begin();
253 auto __last = __pc.end();
255 _ChronoSpec<_CharT> __spec{};
257 auto __finalize = [
this, &__spec] {
261 auto __finished = [&] {
262 if (__first == __last || *__first ==
'}')
273 __first = __spec._M_parse_fill_and_align(__first, __last);
277 __first = __spec._M_parse_width(__first, __last, __pc);
281 if (__parts & _ChronoParts::_Duration)
283 __first = __spec._M_parse_precision(__first, __last, __pc);
288 __first = __spec._M_parse_locale(__first, __last);
295 __string_view __str(__first, __last - __first);
296 auto __end = __str.find(
'}');
297 if (__end != __str.npos)
299 __str.remove_suffix(__str.length() - __end);
300 __last = __first + __end;
302 if (__str.find(
'{') != __str.npos)
303 __throw_format_error(
"chrono format error: '{' in chrono-specs");
310 const auto __chrono_specs = __first++;
311 if (*__chrono_specs !=
'%')
312 __throw_format_error(
"chrono format error: no '%' at start of "
319 while (__first != __last)
321 enum _Mods { _Mod_none, _Mod_E, _Mod_O, _Mod_E_O };
322 _Mods __allowed_mods = _Mod_none;
324 _CharT __c = *__first++;
337 __needed = _DateTime;
338 __allowed_mods = _Mod_E;
342 __allowed_mods = _Mod_E;
347 __allowed_mods = _Mod_O;
359 __needed = _TimeOfDay;
360 __allowed_mods = _Mod_O;
363 if (!(__parts & _Duration))
368 __allowed_mods = _Mod_O;
371 __needed = _TimeOfDay;
372 __allowed_mods = _Mod_O;
378 __needed = _TimeOfDay;
382 __needed = _Duration;
385 __needed = _TimeOfDay;
386 __allowed_mods = _Mod_O;
391 __allowed_mods = _Mod_O;
397 __allowed_mods = _Mod_O;
401 __allowed_mods = _Mod_E;
404 __needed = _TimeOfDay;
405 __allowed_mods = _Mod_E;
409 __allowed_mods = _Mod_E_O;
413 __allowed_mods = _Mod_E;
416 __needed = _TimeZone;
417 __allowed_mods = _Mod_E_O;
420 __needed = _TimeZone;
428 if (__mod) [[unlikely]]
430 __allowed_mods = _Mod_none;
436 __throw_format_error(
"chrono format error: invalid "
437 " specifier in chrono-specs");
440 if ((__mod ==
'E' && !(__allowed_mods & _Mod_E))
441 || (__mod ==
'O' && !(__allowed_mods & _Mod_O)))
442 __throw_format_error(
"chrono format error: invalid "
443 " modifier in chrono-specs");
446 if ((__parts & __needed) != __needed)
447 __throw_format_error(
"chrono format error: format argument "
448 "does not contain the information "
449 "required by the chrono-specs");
452 size_t __pos = __string_view(__first, __last - __first).find(
'%');
457 if (__pos == __string_view::npos)
463 __first += __pos + 1;
468 if (__conv || __mod != _CharT())
469 __throw_format_error(
"chrono format error: unescaped '%' in "
473 _M_spec._M_chrono_specs
474 = __string_view(__chrono_specs, __first - __chrono_specs);
484 template<
typename _Tp,
typename _FormatContext>
485 typename _FormatContext::iterator
486 _M_format(
const _Tp& __t, _FormatContext& __fc,
487 bool __is_neg =
false)
const
489 auto __first = _M_spec._M_chrono_specs.begin();
490 const auto __last = _M_spec._M_chrono_specs.end();
491 if (__first == __last)
492 return _M_format_to_ostream(__t, __fc, __is_neg);
494 _Sink_iter<_CharT> __out;
495 __format::_Str_sink<_CharT> __sink;
496 bool __write_direct =
false;
497 if constexpr (is_same_v<
typename _FormatContext::iterator,
500 if (_M_spec._M_width_kind == __format::_WP_none)
503 __write_direct =
true;
506 __out = __sink.out();
509 __out = __sink.out();
513 if constexpr (__is_specialization_of<_Tp, chrono::hh_mm_ss>)
514 __is_neg = __t.is_negative();
516 auto __print_sign = [&__is_neg, &__out] {
517 if constexpr (chrono::__is_duration_v<_Tp>
518 || __is_specialization_of<_Tp, chrono::hh_mm_ss>)
521 *__out++ = _S_plus_minus[1];
528 constexpr const _CharT* __literals = _GLIBCXX_WIDEN(
"\n\t%");
535 _CharT __c = *__first++;
540 __out = _M_a_A(__t,
std::move(__out), __fc, __c ==
'A');
545 __out = _M_b_B(__t,
std::move(__out), __fc, __c ==
'B');
548 __out = _M_c(__t,
std::move(__out), __fc, __mod ==
'E');
553 __out = _M_C_y_Y(__t,
std::move(__out), __fc, __c, __mod);
557 __out = _M_d_e(__t,
std::move(__out), __fc, __c, __mod ==
'O');
560 __out = _M_D(__t,
std::move(__out), __fc);
563 __out = _M_F(__t,
std::move(__out), __fc);
567 __out = _M_g_G(__t,
std::move(__out), __fc, __c ==
'G');
571 __out = _M_H_I(__t, __print_sign(), __fc, __c, __mod ==
'O');
574 __out = _M_j(__t, __print_sign(), __fc);
577 __out = _M_m(__t,
std::move(__out), __fc, __mod ==
'O');
580 __out = _M_M(__t, __print_sign(), __fc, __mod ==
'O');
583 __out = _M_p(__t,
std::move(__out), __fc);
586 __out = _M_q(__t,
std::move(__out), __fc);
590 if constexpr (chrono::__is_duration_v<_Tp>)
591 __out = std::format_to(__print_sign(), _S_empty_spec,
594 __throw_format_error(
"chrono format error: argument is "
598 __out = _M_r(__t, __print_sign(), __fc);
602 __out = _M_R_T(__t, __print_sign(), __fc, __c ==
'T');
605 __out = _M_S(__t, __print_sign(), __fc, __mod ==
'O');
609 __out = _M_u_w(__t,
std::move(__out), __fc, __c, __mod ==
'O');
614 __out = _M_U_V_W(__t,
std::move(__out), __fc, __c,
618 __out = _M_x(__t,
std::move(__out), __fc, __mod ==
'E');
621 __out = _M_X(__t, __print_sign(), __fc, __mod ==
'E');
624 __out = _M_z(__t,
std::move(__out), __fc, (
bool)__mod);
627 __out = _M_Z(__t,
std::move(__out), __fc);
630 *__out++ = __literals[0];
633 *__out++ = __literals[1];
636 *__out++ = __literals[2];
648 __string_view __str(__first, __last - __first);
649 size_t __pos = __str.find(
'%');
654 if (__pos == __str.npos)
658 __str.remove_suffix(__str.length() - __pos);
659 __first += __pos + 1;
661 __out = __format::__write(
std::move(__out), __str);
664 while (__first != __last);
666 if constexpr (is_same_v<
typename _FormatContext::iterator,
672 return __format::__write_padded_as_spec(__str, __str.size(),
676 _ChronoSpec<_CharT> _M_spec;
680 template<
typename _FormatContext>
682 _M_locale(_FormatContext& __fc)
const
684 if (!_M_spec._M_localized)
687 return __fc.locale();
694 template<
typename _Tp,
typename _FormatContext>
695 typename _FormatContext::iterator
696 _M_format_to_ostream(
const _Tp& __t, _FormatContext& __fc,
699 using ::std::chrono::__detail::__utc_leap_second;
700 using ::std::chrono::__detail::__local_time_fmt;
702 if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
703 return _M_format_to_ostream(__t._M_time, __fc,
false);
706 basic_ostringstream<_CharT> __os;
707 __os.imbue(_M_locale(__fc));
709 if constexpr (__is_specialization_of<_Tp, __utc_leap_second>)
710 __os << __t._M_date <<
' ' << __t._M_time;
713 if constexpr (chrono::__is_duration_v<_Tp>)
714 if (__is_neg) [[unlikely]]
715 __os << _S_plus_minus[1];
720 return __format::__write_padded_as_spec(__str, __str.size(),
725 static constexpr const _CharT* _S_chars
726 = _GLIBCXX_WIDEN(
"0123456789+-:/ {}");
727 static constexpr const _CharT* _S_plus_minus = _S_chars + 10;
728 static constexpr _CharT _S_colon = _S_chars[12];
729 static constexpr _CharT _S_slash = _S_chars[13];
730 static constexpr _CharT _S_space = _S_chars[14];
731 static constexpr const _CharT* _S_empty_spec = _S_chars + 15;
733 template<
typename _Tp,
typename _FormatContext>
734 typename _FormatContext::iterator
735 _M_a_A(
const _Tp& __t,
typename _FormatContext::iterator __out,
736 _FormatContext& __ctx,
bool __full)
const
740 chrono::weekday __wd = _S_weekday(__t);
742 __throw_format_error(
"format error: invalid weekday");
744 locale __loc = _M_locale(__ctx);
745 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
746 const _CharT* __days[7];
748 __tp._M_days(__days);
750 __tp._M_days_abbreviated(__days);
751 __string_view __str(__days[__wd.c_encoding()]);
752 return __format::__write(
std::move(__out), __str);
755 template<
typename _Tp,
typename _FormatContext>
756 typename _FormatContext::iterator
757 _M_b_B(
const _Tp& __t,
typename _FormatContext::iterator __out,
758 _FormatContext& __ctx,
bool __full)
const
762 chrono::month __m = _S_month(__t);
764 __throw_format_error(
"format error: invalid month");
765 locale __loc = _M_locale(__ctx);
766 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
767 const _CharT* __months[12];
769 __tp._M_months(__months);
771 __tp._M_months_abbreviated(__months);
772 __string_view __str(__months[(
unsigned)__m - 1]);
773 return __format::__write(
std::move(__out), __str);
776 template<
typename _Tp,
typename _FormatContext>
777 typename _FormatContext::iterator
778 _M_c(
const _Tp& __tt,
typename _FormatContext::iterator __out,
779 _FormatContext& __ctx,
bool __mod =
false)
const
784 auto __t = _S_floor_seconds(__tt);
785 locale __loc = _M_locale(__ctx);
786 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
787 const _CharT* __formats[2];
788 __tp._M_date_time_formats(__formats);
789 const _CharT* __rep = __formats[__mod];
791 __rep = _GLIBCXX_WIDEN(
"%a %b %e %H:%M:%S %Y");
792 basic_string<_CharT> __fmt(_S_empty_spec);
793 __fmt.insert(1u, 1u, _S_colon);
794 __fmt.insert(2u, __rep);
795 return std::vformat_to(
std::move(__out), __loc, __fmt,
796 std::make_format_args<_FormatContext>(__t));
799 template<
typename _Tp,
typename _FormatContext>
800 typename _FormatContext::iterator
801 _M_C_y_Y(
const _Tp& __t,
typename _FormatContext::iterator __out,
802 _FormatContext& __ctx, _CharT __conv, _CharT __mod = 0)
const
812 chrono::year __y = _S_year(__t);
814 if (__mod) [[unlikely]]
817 __tm.tm_year = (int)__y - 1900;
818 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
822 basic_string<_CharT> __s;
824 const bool __is_neg = __yi < 0;
825 __yi = __builtin_abs(__yi);
827 if (__conv ==
'Y' || __conv ==
'C')
830 __s.assign(1, _S_plus_minus[1]);
831 int __ci = __yi / 100;
832 if (__ci >= 100) [[unlikely]]
834 __s += std::format(_S_empty_spec, __ci / 100);
837 __s += _S_two_digits(__ci);
840 if (__conv ==
'Y' || __conv ==
'y')
841 __s += _S_two_digits(__yi % 100);
843 return __format::__write(
std::move(__out), __string_view(__s));
846 template<
typename _Tp,
typename _FormatContext>
847 typename _FormatContext::iterator
848 _M_D(
const _Tp& __t,
typename _FormatContext::iterator __out,
849 _FormatContext&)
const
851 auto __ymd = _S_date(__t);
852 basic_string<_CharT> __s;
853#if ! _GLIBCXX_USE_CXX11_ABI
856 __s = _S_two_digits((
unsigned)__ymd.month());
858 __s += _S_two_digits((
unsigned)__ymd.day());
860 __s += _S_two_digits(__builtin_abs((
int)__ymd.year()) % 100);
861 return __format::__write(
std::move(__out), __string_view(__s));
864 template<
typename _Tp,
typename _FormatContext>
865 typename _FormatContext::iterator
866 _M_d_e(
const _Tp& __t,
typename _FormatContext::iterator __out,
867 _FormatContext& __ctx, _CharT __conv,
bool __mod =
false)
const
874 chrono::day __d = _S_day(__t);
875 unsigned __i = (unsigned)__d;
877 if (__mod) [[unlikely]]
881 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
885 auto __sv = _S_two_digits(__i);
887 if (__conv == _CharT(
'e') && __i < 10)
893 return __format::__write(
std::move(__out), __sv);
896 template<
typename _Tp,
typename _FormatContext>
897 typename _FormatContext::iterator
898 _M_F(
const _Tp& __t,
typename _FormatContext::iterator __out,
899 _FormatContext&)
const
901 auto __ymd = _S_date(__t);
902 basic_string<_CharT> __s;
903#if ! _GLIBCXX_USE_CXX11_ABI
906 __s += std::format(_GLIBCXX_WIDEN(
"{:04d}- - "), (
int)__ymd.year());
907 auto __sv = _S_two_digits((
unsigned)__ymd.month());
908 __s[__s.size() - 5] = __sv[0];
909 __s[__s.size() - 4] = __sv[1];
910 __sv = _S_two_digits((
unsigned)__ymd.day());
911 __s[__s.size() - 2] = __sv[0];
912 __s[__s.size() - 1] = __sv[1];
914 return __format::__write(
std::move(__out), __sv);
917 template<
typename _Tp,
typename _FormatContext>
918 typename _FormatContext::iterator
919 _M_g_G(
const _Tp& __t,
typename _FormatContext::iterator __out,
920 _FormatContext& __ctx,
bool __full)
const
924 using namespace chrono;
925 auto __d = _S_days(__t);
927 __d -= (weekday(__d) - Monday) -
days(3);
929 year __y = year_month_day(__d).year();
930 return _M_C_y_Y(__y,
std::move(__out), __ctx,
"yY"[__full]);
933 template<
typename _Tp,
typename _FormatContext>
934 typename _FormatContext::iterator
935 _M_H_I(
const _Tp& __t,
typename _FormatContext::iterator __out,
936 _FormatContext& __ctx, _CharT __conv,
bool __mod =
false)
const
943 const auto __hms = _S_hms(__t);
944 int __i = __hms.hours().count();
946 if (__mod) [[unlikely]]
950 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
954 if (__conv == _CharT(
'I'))
961 return __format::__write(
std::move(__out), _S_two_digits(__i));
964 template<
typename _Tp,
typename _FormatContext>
965 typename _FormatContext::iterator
966 _M_j(
const _Tp& __t,
typename _FormatContext::iterator __out,
967 _FormatContext&)
const
969 if constexpr (chrono::__is_duration_v<_Tp>)
972 unsigned __d = chrono::duration_cast<chrono::days>(__t).count();
973 return std::format_to(
std::move(__out), _S_empty_spec, __d);
978 using namespace chrono;
979 auto __day = _S_days(__t);
980 auto __ymd = _S_date(__t);
984 if constexpr (is_same_v<
typename decltype(__day)::clock, local_t>)
985 __d = __day - local_days(__ymd.year()/January/0);
987 __d = __day - sys_days(__ymd.year()/January/0);
988 return std::format_to(
std::move(__out), _GLIBCXX_WIDEN(
"{:03d}"),
993 template<
typename _Tp,
typename _FormatContext>
994 typename _FormatContext::iterator
995 _M_m(
const _Tp& __t,
typename _FormatContext::iterator __out,
996 _FormatContext& __ctx,
bool __mod)
const
1001 auto __m = _S_month(__t);
1002 auto __i = (unsigned)__m;
1004 if (__mod) [[unlikely]]
1007 __tm.tm_mon = __i - 1;
1008 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
1012 return __format::__write(
std::move(__out), _S_two_digits(__i));
1015 template<
typename _Tp,
typename _FormatContext>
1016 typename _FormatContext::iterator
1017 _M_M(
const _Tp& __t,
typename _FormatContext::iterator __out,
1018 _FormatContext& __ctx,
bool __mod)
const
1023 auto __m = _S_hms(__t).minutes();
1024 auto __i = __m.count();
1026 if (__mod) [[unlikely]]
1030 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
1034 return __format::__write(
std::move(__out), _S_two_digits(__i));
1037 template<
typename _Tp,
typename _FormatContext>
1038 typename _FormatContext::iterator
1039 _M_p(
const _Tp& __t,
typename _FormatContext::iterator __out,
1040 _FormatContext& __ctx)
const
1043 auto __hms = _S_hms(__t);
1044 locale __loc = _M_locale(__ctx);
1045 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
1046 const _CharT* __ampm[2];
1047 __tp._M_am_pm(__ampm);
1048 return std::format_to(
std::move(__out), _S_empty_spec,
1049 __ampm[__hms.hours().count() >= 12]);
1052 template<
typename _Tp,
typename _FormatContext>
1053 typename _FormatContext::iterator
1054 _M_q(
const _Tp&,
typename _FormatContext::iterator __out,
1055 _FormatContext& __ctx)
const
1058 if constexpr (!chrono::__is_duration_v<_Tp>)
1059 __throw_format_error(
"format error: argument is not a duration");
1062 using period =
typename _Tp::period;
1063 char __buf[
sizeof(
"[/]s") + 2 * numeric_limits<intmax_t>::digits10];
1064 constexpr size_t __n =
sizeof(__buf);
1065 auto __s = chrono::__detail::__units_suffix<period, _CharT>(__buf,
1067 if constexpr (is_same_v<
decltype(__s),
const _CharT*>)
1068 return std::format_to(
std::move(__out), _S_empty_spec, __s);
1073 size_t __len = __builtin_strlen(__buf);
1074 locale __loc = _M_locale(__ctx);
1075 auto& __ct = use_facet<ctype<_CharT>>(__loc);
1076 __ct.widen(__buf, __len, __wbuf);
1078 return std::format_to(
std::move(__out), _S_empty_spec,
1086 template<
typename _Tp,
typename _FormatContext>
1087 typename _FormatContext::iterator
1088 _M_r(
const _Tp& __tt,
typename _FormatContext::iterator __out,
1089 _FormatContext& __ctx)
const
1092 auto __t = _S_floor_seconds(__tt);
1093 locale __loc = _M_locale(__ctx);
1094 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
1095 const _CharT* __ampm_fmt;
1096 __tp._M_am_pm_format(&__ampm_fmt);
1097 basic_string<_CharT> __fmt(_S_empty_spec);
1098 __fmt.insert(1u, 1u, _S_colon);
1099 __fmt.insert(2u, __ampm_fmt);
1100 return std::vformat_to(
std::move(__out), __fmt,
1101 std::make_format_args<_FormatContext>(__t));
1104 template<
typename _Tp,
typename _FormatContext>
1105 typename _FormatContext::iterator
1106 _M_R_T(
const _Tp& __t,
typename _FormatContext::iterator __out,
1107 _FormatContext& __ctx,
bool __secs)
const
1111 auto __hms = _S_hms(__t);
1113 basic_string<_CharT> __s;
1114#if ! _GLIBCXX_USE_CXX11_ABI
1117 __s = std::format(_GLIBCXX_WIDEN(
"{:02d}:00"), __hms.hours().count());
1118 auto __sv = _S_two_digits(__hms.minutes().count());
1119 __s[__s.size() - 2] = __sv[0];
1120 __s[__s.size() - 1] = __sv[1];
1122 __out = __format::__write(
std::move(__out), __sv);
1125 *__out++ = _S_colon;
1126 __out = _M_S(__hms,
std::move(__out), __ctx);
1131 template<
typename _Tp,
typename _FormatContext>
1132 typename _FormatContext::iterator
1133 _M_S(
const _Tp& __t,
typename _FormatContext::iterator __out,
1134 _FormatContext& __ctx,
bool __mod =
false)
const
1138 auto __hms = _S_hms(__t);
1140 if (__mod) [[unlikely]]
1143 __tm.tm_sec = (int)__hms.seconds().count();
1144 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
1148 __out = __format::__write(
std::move(__out),
1149 _S_two_digits(__hms.seconds().count()));
1150 if constexpr (__hms.fractional_width != 0)
1152 locale __loc = _M_locale(__ctx);
1153 auto __ss = __hms.subseconds();
1154 using rep =
typename decltype(__ss)::rep;
1155 if constexpr (is_floating_point_v<rep>)
1157 __out = std::format_to(__loc,
std::move(__out),
1158 _GLIBCXX_WIDEN(
"{:.{}Lg}"),
1160 __hms.fractional_width);
1162 else if constexpr (is_integral_v<rep>)
1165 = use_facet<numpunct<_CharT>>(__loc);
1166 __out = std::format_to(
std::move(__out),
1167 _GLIBCXX_WIDEN(
"{}{:0{}}"),
1168 __np.decimal_point(),
1170 __hms.fractional_width);
1175 = use_facet<numpunct<_CharT>>(__loc);
1176 *__out++ = __np.decimal_point();
1177 auto __str = std::format(_S_empty_spec, __ss.count());
1178 __out = std::format_to(_GLIBCXX_WIDEN(
"{:0>{}s}"),
1180 __hms.fractional_width);
1188 template<
typename _Tp,
typename _FormatContext>
1189 typename _FormatContext::iterator
1190 _M_u_w(
const _Tp& __t,
typename _FormatContext::iterator __out,
1191 _FormatContext& __ctx, _CharT __conv,
bool __mod =
false)
const
1198 chrono::weekday __wd = _S_weekday(__t);
1200 if (__mod) [[unlikely]]
1203 __tm.tm_wday = __wd.c_encoding();
1204 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
1208 unsigned __wdi = __conv ==
'u' ? __wd.iso_encoding()
1209 : __wd.c_encoding();
1210 const _CharT __d = _S_digit(__wdi);
1211 return __format::__write(
std::move(__out), __string_view(&__d, 1));
1214 template<
typename _Tp,
typename _FormatContext>
1215 typename _FormatContext::iterator
1216 _M_U_V_W(
const _Tp& __t,
typename _FormatContext::iterator __out,
1217 _FormatContext& __ctx, _CharT __conv,
bool __mod =
false)
const
1225 using namespace chrono;
1226 auto __d = _S_days(__t);
1227 using _TDays =
decltype(__d);
1229 if (__mod) [[unlikely]]
1231 const year_month_day __ymd(__d);
1232 const year __y = __ymd.year();
1234 __tm.tm_year = (int)__y - 1900;
1235 __tm.tm_yday = (__d - _TDays(__y/January/1)).count();
1236 __tm.tm_wday = weekday(__d).c_encoding();
1237 return _M_locale_fmt(
std::move(__out), _M_locale(__ctx), __tm,
1245 __d -= (weekday(__d) - Monday) -
days(3);
1248 __first = _TDays(year_month_day(__d).year()/January/1);
1253 if constexpr (
requires { __t.year(); })
1256 __y = year_month_day(__d).year();
1257 const weekday __weekstart = __conv ==
'U' ? Sunday : Monday;
1258 __first = _TDays(__y/January/__weekstart[1]);
1260 auto __weeks = chrono::floor<weeks>(__d - __first);
1261 __string_view __sv = _S_two_digits(__weeks.count() + 1);
1262 return __format::__write(
std::move(__out), __sv);
1265 template<
typename _Tp,
typename _FormatContext>
1266 typename _FormatContext::iterator
1267 _M_x(
const _Tp& __t,
typename _FormatContext::iterator __out,
1268 _FormatContext& __ctx,
bool __mod =
false)
const
1272 locale __loc = _M_locale(__ctx);
1273 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
1274 const _CharT* __date_reps[2];
1275 __tp._M_date_formats(__date_reps);
1276 const _CharT* __rep = __date_reps[__mod];
1278 return _M_D(__t,
std::move(__out), __ctx);
1280 basic_string<_CharT> __fmt(_S_empty_spec);
1281 __fmt.insert(1u, 1u, _S_colon);
1282 __fmt.insert(2u, __rep);
1283 return std::vformat_to(
std::move(__out), __fmt,
1284 std::make_format_args<_FormatContext>(__t));
1287 template<
typename _Tp,
typename _FormatContext>
1288 typename _FormatContext::iterator
1289 _M_X(
const _Tp& __tt,
typename _FormatContext::iterator __out,
1290 _FormatContext& __ctx,
bool __mod =
false)
const
1294 auto __t = _S_floor_seconds(__tt);
1295 locale __loc = _M_locale(__ctx);
1296 const auto& __tp = use_facet<__timepunct<_CharT>>(__loc);
1297 const _CharT* __time_reps[2];
1298 __tp._M_time_formats(__time_reps);
1299 const _CharT* __rep = __time_reps[__mod];
1301 return _M_R_T(__t,
std::move(__out), __ctx,
true);
1303 basic_string<_CharT> __fmt(_S_empty_spec);
1304 __fmt.insert(1u, 1u, _S_colon);
1305 __fmt.insert(2u, __rep);
1306 return std::vformat_to(
std::move(__out), __fmt,
1307 std::make_format_args<_FormatContext>(__t));
1310 template<
typename _Tp,
typename _FormatContext>
1311 typename _FormatContext::iterator
1312 _M_z(
const _Tp& __t,
typename _FormatContext::iterator __out,
1313 _FormatContext&,
bool __mod =
false)
const
1315 using ::std::chrono::__detail::__utc_leap_second;
1316 using ::std::chrono::__detail::__local_time_fmt;
1318 auto __utc = __mod ? __string_view(_GLIBCXX_WIDEN(
"+00:00"), 6)
1319 : __string_view(_GLIBCXX_WIDEN(
"+0000"), 5);
1321 if constexpr (chrono::__is_time_point_v<_Tp>)
1323 if constexpr (is_same_v<
typename _Tp::clock,
1324 chrono::system_clock>)
1325 return __format::__write(
std::move(__out), __utc);
1327 else if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
1329 if (__t._M_offset_sec)
1332 basic_string<_CharT> __s;
1333 if (*__t._M_offset_sec != 0s)
1335 chrono:: hh_mm_ss __hms(*__t._M_offset_sec);
1336 __s = _S_plus_minus[__hms.is_negative()];
1337 __s += _S_two_digits(__hms.hours().count());
1340 __s += _S_two_digits(__hms.minutes().count());
1343 return __format::__write(
std::move(__out), __sv);
1346 else if constexpr (__is_specialization_of<_Tp, __utc_leap_second>)
1347 return __format::__write(
std::move(__out), __utc);
1349 __no_timezone_available();
1352 template<
typename _Tp,
typename _FormatContext>
1353 typename _FormatContext::iterator
1354 _M_Z(
const _Tp& __t,
typename _FormatContext::iterator __out,
1355 _FormatContext& __ctx)
const
1357 using ::std::chrono::__detail::__utc_leap_second;
1358 using ::std::chrono::__detail::__local_time_fmt;
1360 __string_view __utc(_GLIBCXX_WIDEN(
"UTC"), 3);
1361 if constexpr (chrono::__is_time_point_v<_Tp>)
1363 if constexpr (is_same_v<
typename _Tp::clock,
1364 chrono::system_clock>)
1365 return __format::__write(
std::move(__out), __utc);
1367 else if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
1371 __string_view __wsv;
1372 if constexpr (is_same_v<_CharT, char>)
1373 __wsv = *__t._M_abbrev;
1376 string_view __sv = *__t._M_abbrev;
1377 basic_string<_CharT> __ws(__sv.size(), _CharT());
1378 auto& __ct = use_facet<ctype<_CharT>>(_M_locale(__ctx));
1379 __ct.widen(__sv.begin(), __sv.end(), __ws.data());
1382 return __format::__write(
std::move(__out), __wsv);
1385 else if constexpr (__is_specialization_of<_Tp, __utc_leap_second>)
1386 return __format::__write(
std::move(__out), __utc);
1388 __no_timezone_available();
1395 _S_digit(
int __n)
noexcept
1398 return _GLIBCXX_WIDEN(
"0123456789999999")[__n & 0xf];
1402 static basic_string_view<_CharT>
1403 _S_two_digits(
int __n)
noexcept
1406 _GLIBCXX_WIDEN(
"0001020304050607080910111213141516171819"
1407 "2021222324252627282930313233343536373839"
1408 "4041424344454647484950515253545556575859"
1409 "6061626364656667686970717273747576777879"
1410 "8081828384858687888990919293949596979899"
1411 "9999999999999999999999999999999999999999"
1412 "9999999999999999") + 2 * (__n & 0x7f),
1420 template<
typename _Tp>
1421 static decltype(
auto)
1422 _S_hms(
const _Tp& __t)
1424 using ::std::chrono::__detail::__utc_leap_second;
1425 using ::std::chrono::__detail::__local_time_fmt;
1427 if constexpr (__is_specialization_of<_Tp, chrono::hh_mm_ss>)
1429 else if constexpr (__is_specialization_of<_Tp, __utc_leap_second>)
1431 else if constexpr (chrono::__is_duration_v<_Tp>)
1432 return chrono::hh_mm_ss<_Tp>(__t);
1433 else if constexpr (chrono::__is_time_point_v<_Tp>)
1434 return chrono::hh_mm_ss(__t - chrono::floor<chrono::days>(__t));
1435 else if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
1436 return _S_hms(__t._M_time);
1439 __invalid_chrono_spec();
1440 return chrono::hh_mm_ss<chrono::seconds>();
1445 template<
typename _Tp>
1447 _S_days(
const _Tp& __t)
1449 using namespace chrono;
1450 using ::std::chrono::__detail::__utc_leap_second;
1451 using ::std::chrono::__detail::__local_time_fmt;
1453 if constexpr (__is_time_point_v<_Tp>)
1454 return chrono::floor<days>(__t);
1455 else if constexpr (__is_specialization_of<_Tp, __utc_leap_second>)
1457 else if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
1458 return chrono::floor<days>(__t._M_time);
1459 else if constexpr (is_same_v<_Tp, year_month_day>
1460 || is_same_v<_Tp, year_month_day_last>
1461 || is_same_v<_Tp, year_month_weekday>
1462 || is_same_v<_Tp, year_month_weekday_last>)
1463 return sys_days(__t);
1466 if constexpr (__is_duration_v<_Tp>)
1467 __not_valid_for_duration();
1469 __invalid_chrono_spec();
1470 return chrono::sys_days();
1475 template<
typename _Tp>
1476 static chrono::year_month_day
1477 _S_date(
const _Tp& __t)
1479 if constexpr (is_same_v<_Tp, chrono::year_month_day>)
1482 return chrono::year_month_day(_S_days(__t));
1485 template<
typename _Tp>
1487 _S_day(
const _Tp& __t)
1489 using namespace chrono;
1491 if constexpr (is_same_v<_Tp, day>)
1493 else if constexpr (
requires { __t.day(); })
1496 return _S_date(__t).day();
1499 template<
typename _Tp>
1500 static chrono::month
1501 _S_month(
const _Tp& __t)
1503 using namespace chrono;
1505 if constexpr (is_same_v<_Tp, month>)
1507 else if constexpr (
requires { __t.month(); })
1510 return _S_date(__t).month();
1513 template<
typename _Tp>
1515 _S_year(
const _Tp& __t)
1517 using namespace chrono;
1519 if constexpr (is_same_v<_Tp, year>)
1521 else if constexpr (
requires { __t.year(); })
1524 return _S_date(__t).year();
1527 template<
typename _Tp>
1528 static chrono::weekday
1529 _S_weekday(
const _Tp& __t)
1532 using ::std::chrono::__detail::__local_time_fmt;
1534 if constexpr (is_same_v<_Tp, weekday>)
1536 else if constexpr (
requires { __t.weekday(); })
1538 else if constexpr (is_same_v<_Tp, month_weekday>)
1539 return __t.weekday_indexed().weekday();
1540 else if constexpr (is_same_v<_Tp, month_weekday_last>)
1541 return __t.weekday_last().weekday();
1543 return weekday(_S_days(__t));
1547 template<
typename _Tp>
1549 _S_floor_seconds(
const _Tp& __t)
1551 using chrono::__detail::__local_time_fmt;
1552 if constexpr (chrono::__is_time_point_v<_Tp>
1553 || chrono::__is_duration_v<_Tp>)
1555 if constexpr (_Tp::period::den != 1)
1556 return chrono::floor<chrono::seconds>(__t);
1560 else if constexpr (__is_specialization_of<_Tp, chrono::hh_mm_ss>)
1562 if constexpr (_Tp::fractional_width != 0)
1563 return chrono::floor<chrono::seconds>(__t.to_duration());
1567 else if constexpr (__is_specialization_of<_Tp, __local_time_fmt>)
1568 return _S_floor_seconds(__t._M_time);
1575 template<
typename _Iter>
1577 _M_locale_fmt(_Iter __out,
const locale& __loc,
const struct tm& __tm,
1578 char __fmt,
char __mod)
const
1580 basic_ostringstream<_CharT> __os;
1581 const auto& __tp = use_facet<time_put<_CharT>>(__loc);
1582 __tp.put(__os, __os, _S_space, &__tm, __fmt, __mod);
1584 __out = __format::__write(
std::move(__out), __os.view());
1592 template<
typename _Rep,
typename _Period,
typename _CharT>
1593 struct formatter<chrono::duration<_Rep, _Period>, _CharT>
1595 constexpr typename basic_format_parse_context<_CharT>::iterator
1596 parse(basic_format_parse_context<_CharT>& __pc)
1598 using namespace __format;
1599 auto __it = _M_f._M_parse(__pc, _Duration|_TimeOfDay);
1600 if constexpr (!is_floating_point_v<_Rep>)
1601 if (_M_f._M_spec._M_prec_kind != __format::_WP_none)
1602 __throw_format_error(
"format error: invalid precision for duration");
1606 template<
typename _Out>
1607 typename basic_format_context<_Out, _CharT>::iterator
1608 format(
const chrono::duration<_Rep, _Period>& __d,
1609 basic_format_context<_Out, _CharT>& __fc)
const
1611 return _M_f._M_format(chrono::abs(__d), __fc, __d < __d.zero());
1615 __format::__formatter_chrono<_CharT> _M_f;
1618 template<
typename _CharT>
1619 struct formatter<chrono::day, _CharT>
1621 template<
typename _ParseContext>
1622 constexpr typename _ParseContext::iterator
1623 parse(_ParseContext& __pc)
1624 {
return _M_f._M_parse(__pc, __format::_Day); }
1626 template<
typename _FormatContext>
1627 typename _FormatContext::iterator
1628 format(
const chrono::day& __t, _FormatContext& __fc)
const
1629 {
return _M_f._M_format(__t, __fc); }
1632 __format::__formatter_chrono<_CharT> _M_f;
1635 template<
typename _CharT>
1636 struct formatter<chrono::month, _CharT>
1638 template<
typename _ParseContext>
1639 constexpr typename _ParseContext::iterator
1640 parse(_ParseContext& __pc)
1641 {
return _M_f._M_parse(__pc, __format::_Month); }
1643 template<
typename _FormatContext>
1644 typename _FormatContext::iterator
1645 format(
const chrono::month& __t, _FormatContext& __fc)
const
1646 {
return _M_f._M_format(__t, __fc); }
1649 __format::__formatter_chrono<_CharT> _M_f;
1652 template<
typename _CharT>
1653 struct formatter<chrono::year, _CharT>
1655 template<
typename _ParseContext>
1656 constexpr typename _ParseContext::iterator
1657 parse(_ParseContext& __pc)
1658 {
return _M_f._M_parse(__pc, __format::_Year); }
1660 template<
typename _FormatContext>
1661 typename _FormatContext::iterator
1662 format(
const chrono::year& __t, _FormatContext& __fc)
const
1663 {
return _M_f._M_format(__t, __fc); }
1666 __format::__formatter_chrono<_CharT> _M_f;
1669 template<
typename _CharT>
1670 struct formatter<chrono::weekday, _CharT>
1672 template<
typename _ParseContext>
1673 constexpr typename _ParseContext::iterator
1674 parse(_ParseContext& __pc)
1675 {
return _M_f._M_parse(__pc, __format::_Weekday); }
1677 template<
typename _FormatContext>
1678 typename _FormatContext::iterator
1679 format(
const chrono::weekday& __t, _FormatContext& __fc)
const
1680 {
return _M_f._M_format(__t, __fc); }
1683 __format::__formatter_chrono<_CharT> _M_f;
1686 template<
typename _CharT>
1687 struct formatter<chrono::weekday_indexed, _CharT>
1689 template<
typename _ParseContext>
1690 constexpr typename _ParseContext::iterator
1691 parse(_ParseContext& __pc)
1692 {
return _M_f._M_parse(__pc, __format::_Weekday); }
1694 template<
typename _FormatContext>
1695 typename _FormatContext::iterator
1696 format(
const chrono::weekday_indexed& __t, _FormatContext& __fc)
const
1697 {
return _M_f._M_format(__t, __fc); }
1700 __format::__formatter_chrono<_CharT> _M_f;
1703 template<
typename _CharT>
1704 struct formatter<chrono::weekday_last, _CharT>
1706 template<
typename _ParseContext>
1707 constexpr typename _ParseContext::iterator
1708 parse(_ParseContext& __pc)
1709 {
return _M_f._M_parse(__pc, __format::_Weekday); }
1711 template<
typename _FormatContext>
1712 typename _FormatContext::iterator
1713 format(
const chrono::weekday_last& __t, _FormatContext& __fc)
const
1714 {
return _M_f._M_format(__t, __fc); }
1717 __format::__formatter_chrono<_CharT> _M_f;
1720 template<
typename _CharT>
1721 struct formatter<chrono::month_day, _CharT>
1723 template<
typename _ParseContext>
1724 constexpr typename _ParseContext::iterator
1725 parse(_ParseContext& __pc)
1726 {
return _M_f._M_parse(__pc, __format::_Month|__format::_Day); }
1728 template<
typename _FormatContext>
1729 typename _FormatContext::iterator
1730 format(
const chrono::month_day& __t, _FormatContext& __fc)
const
1731 {
return _M_f._M_format(__t, __fc); }
1734 __format::__formatter_chrono<_CharT> _M_f;
1737 template<
typename _CharT>
1738 struct formatter<chrono::month_day_last, _CharT>
1740 template<
typename _ParseContext>
1741 constexpr typename _ParseContext::iterator
1742 parse(_ParseContext& __pc)
1743 {
return _M_f._M_parse(__pc, __format::_Month|__format::_Day); }
1745 template<
typename _FormatContext>
1746 typename _FormatContext::iterator
1747 format(
const chrono::month_day_last& __t, _FormatContext& __fc)
const
1748 {
return _M_f._M_format(__t, __fc); }
1751 __format::__formatter_chrono<_CharT> _M_f;
1754 template<
typename _CharT>
1755 struct formatter<chrono::month_weekday, _CharT>
1757 template<
typename _ParseContext>
1758 constexpr typename _ParseContext::iterator
1759 parse(_ParseContext& __pc)
1760 {
return _M_f._M_parse(__pc, __format::_Month|__format::_Weekday); }
1762 template<
typename _FormatContext>
1763 typename _FormatContext::iterator
1764 format(
const chrono::month_weekday& __t, _FormatContext& __fc)
const
1765 {
return _M_f._M_format(__t, __fc); }
1768 __format::__formatter_chrono<_CharT> _M_f;
1771 template<
typename _CharT>
1772 struct formatter<chrono::month_weekday_last, _CharT>
1774 template<
typename _ParseContext>
1775 constexpr typename _ParseContext::iterator
1776 parse(_ParseContext& __pc)
1777 {
return _M_f._M_parse(__pc, __format::_Month|__format::_Weekday); }
1779 template<
typename _FormatContext>
1780 typename _FormatContext::iterator
1781 format(
const chrono::month_weekday_last& __t,
1782 _FormatContext& __fc)
const
1783 {
return _M_f._M_format(__t, __fc); }
1786 __format::__formatter_chrono<_CharT> _M_f;
1789 template<
typename _CharT>
1790 struct formatter<chrono::year_month, _CharT>
1792 template<
typename _ParseContext>
1793 constexpr typename _ParseContext::iterator
1794 parse(_ParseContext& __pc)
1795 {
return _M_f._M_parse(__pc, __format::_Year|__format::_Month); }
1797 template<
typename _FormatContext>
1798 typename _FormatContext::iterator
1799 format(
const chrono::year_month& __t, _FormatContext& __fc)
const
1800 {
return _M_f._M_format(__t, __fc); }
1803 __format::__formatter_chrono<_CharT> _M_f;
1806 template<
typename _CharT>
1807 struct formatter<chrono::year_month_day, _CharT>
1809 template<
typename _ParseContext>
1810 constexpr typename _ParseContext::iterator
1811 parse(_ParseContext& __pc)
1812 {
return _M_f._M_parse(__pc, __format::_Date); }
1814 template<
typename _FormatContext>
1815 typename _FormatContext::iterator
1816 format(
const chrono::year_month_day& __t, _FormatContext& __fc)
const
1817 {
return _M_f._M_format(__t, __fc); }
1820 __format::__formatter_chrono<_CharT> _M_f;
1823 template<
typename _CharT>
1824 struct formatter<chrono::year_month_day_last, _CharT>
1826 template<
typename _ParseContext>
1827 constexpr typename _ParseContext::iterator
1828 parse(_ParseContext& __pc)
1829 {
return _M_f._M_parse(__pc, __format::_Date); }
1831 template<
typename _FormatContext>
1832 typename _FormatContext::iterator
1833 format(
const chrono::year_month_day_last& __t,
1834 _FormatContext& __fc)
const
1835 {
return _M_f._M_format(__t, __fc); }
1838 __format::__formatter_chrono<_CharT> _M_f;
1841 template<
typename _CharT>
1842 struct formatter<chrono::year_month_weekday, _CharT>
1844 template<
typename _ParseContext>
1845 constexpr typename _ParseContext::iterator
1846 parse(_ParseContext& __pc)
1847 {
return _M_f._M_parse(__pc, __format::_Date); }
1849 template<
typename _FormatContext>
1850 typename _FormatContext::iterator
1851 format(
const chrono::year_month_weekday& __t,
1852 _FormatContext& __fc)
const
1853 {
return _M_f._M_format(__t, __fc); }
1856 __format::__formatter_chrono<_CharT> _M_f;
1859 template<
typename _CharT>
1860 struct formatter<chrono::year_month_weekday_last, _CharT>
1862 template<
typename _ParseContext>
1863 constexpr typename _ParseContext::iterator
1864 parse(_ParseContext& __pc)
1865 {
return _M_f._M_parse(__pc, __format::_Date); }
1867 template<
typename _FormatContext>
1868 typename _FormatContext::iterator
1869 format(
const chrono::year_month_weekday_last& __t,
1870 _FormatContext& __fc)
const
1871 {
return _M_f._M_format(__t, __fc); }
1874 __format::__formatter_chrono<_CharT> _M_f;
1877 template<
typename _Rep,
typename _Period,
typename _CharT>
1878 struct formatter<chrono::hh_mm_ss<chrono::duration<_Rep, _Period>>, _CharT>
1880 template<
typename _ParseContext>
1881 constexpr typename _ParseContext::iterator
1882 parse(_ParseContext& __pc)
1883 {
return _M_f._M_parse(__pc, __format::_TimeOfDay); }
1885 template<
typename _FormatContext>
1886 typename _FormatContext::iterator
1887 format(
const chrono::hh_mm_ss<chrono::duration<_Rep, _Period>>& __t,
1888 _FormatContext& __fc)
const
1889 {
return _M_f._M_format(__t, __fc); }
1892 __format::__formatter_chrono<_CharT> _M_f;
1895#if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI
1896 template<
typename _CharT>
1897 struct formatter<chrono::sys_info, _CharT>
1899 template<
typename _ParseContext>
1900 constexpr typename _ParseContext::iterator
1901 parse(_ParseContext& __pc)
1902 {
return _M_f._M_parse(__pc, __format::_ChronoParts{}); }
1904 template<
typename _FormatContext>
1905 typename _FormatContext::iterator
1906 format(
const chrono::sys_info& __i, _FormatContext& __fc)
const
1907 {
return _M_f._M_format(__i, __fc); }
1910 __format::__formatter_chrono<_CharT> _M_f;
1913 template<
typename _CharT>
1914 struct formatter<chrono::local_info, _CharT>
1916 template<
typename _ParseContext>
1917 constexpr typename _ParseContext::iterator
1918 parse(_ParseContext& __pc)
1919 {
return _M_f._M_parse(__pc, __format::_ChronoParts{}); }
1921 template<
typename _FormatContext>
1922 typename _FormatContext::iterator
1923 format(
const chrono::local_info& __i, _FormatContext& __fc)
const
1924 {
return _M_f._M_format(__i, __fc); }
1927 __format::__formatter_chrono<_CharT> _M_f;
1931 template<
typename _Duration,
typename _CharT>
1932 struct formatter<chrono::sys_time<_Duration>, _CharT>
1934 template<
typename _ParseContext>
1935 constexpr typename _ParseContext::iterator
1936 parse(_ParseContext& __pc)
1937 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
1939 template<
typename _FormatContext>
1940 typename _FormatContext::iterator
1941 format(
const chrono::sys_time<_Duration>& __t,
1942 _FormatContext& __fc)
const
1943 {
return _M_f._M_format(__t, __fc); }
1946 __format::__formatter_chrono<_CharT> _M_f;
1949 template<
typename _Duration,
typename _CharT>
1950 struct formatter<chrono::utc_time<_Duration>, _CharT>
1951 : __format::__formatter_chrono<_CharT>
1953 template<
typename _ParseContext>
1954 constexpr typename _ParseContext::iterator
1955 parse(_ParseContext& __pc)
1956 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
1958 template<
typename _FormatContext>
1959 typename _FormatContext::iterator
1960 format(
const chrono::utc_time<_Duration>& __t,
1961 _FormatContext& __fc)
const
1966 using chrono::__detail::__utc_leap_second;
1967 using chrono::seconds;
1968 using chrono::sys_time;
1969 using _CDur = common_type_t<_Duration, seconds>;
1970 const auto __li = chrono::get_leap_second_info(__t);
1971 sys_time<_CDur> __s{__t.time_since_epoch() - __li.elapsed};
1972 if (!__li.is_leap_second) [[likely]]
1973 return _M_f._M_format(__s, __fc);
1975 return _M_f._M_format(__utc_leap_second(__s), __fc);
1979 friend formatter<chrono::__detail::__utc_leap_second<_Duration>, _CharT>;
1981 __format::__formatter_chrono<_CharT> _M_f;
1984 template<
typename _Duration,
typename _CharT>
1985 struct formatter<chrono::tai_time<_Duration>, _CharT>
1986 : __format::__formatter_chrono<_CharT>
1988 template<
typename _ParseContext>
1989 constexpr typename _ParseContext::iterator
1990 parse(_ParseContext& __pc)
1991 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
1993 template<
typename _FormatContext>
1994 typename _FormatContext::iterator
1995 format(
const chrono::tai_time<_Duration>& __t,
1996 _FormatContext& __fc)
const
2001 constexpr chrono::days __tai_offset = chrono::days(4383);
2002 using _CDur = common_type_t<_Duration, chrono::days>;
2003 chrono::local_time<_CDur> __lt(__t.time_since_epoch() - __tai_offset);
2004 const string __abbrev(
"TAI", 3);
2005 const chrono::seconds __off = 0s;
2006 const auto __lf = chrono::local_time_format(__lt, &__abbrev, &__off);
2007 return _M_f._M_format(__lf, __fc);
2011 __format::__formatter_chrono<_CharT> _M_f;
2014 template<
typename _Duration,
typename _CharT>
2015 struct formatter<chrono::gps_time<_Duration>, _CharT>
2016 : __format::__formatter_chrono<_CharT>
2018 template<
typename _ParseContext>
2019 constexpr typename _ParseContext::iterator
2020 parse(_ParseContext& __pc)
2021 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
2023 template<
typename _FormatContext>
2024 typename _FormatContext::iterator
2025 format(
const chrono::gps_time<_Duration>& __t,
2026 _FormatContext& __fc)
const
2031 constexpr chrono::days __gps_offset = chrono::days(3657);
2032 using _CDur = common_type_t<_Duration, chrono::days>;
2033 chrono::local_time<_CDur> __lt(__t.time_since_epoch() + __gps_offset);
2034 const string __abbrev(
"GPS", 3);
2035 const chrono::seconds __off = 0s;
2036 const auto __lf = chrono::local_time_format(__lt, &__abbrev, &__off);
2037 return _M_f._M_format(__lf, __fc);
2041 __format::__formatter_chrono<_CharT> _M_f;
2044 template<
typename _Duration,
typename _CharT>
2045 struct formatter<chrono::file_time<_Duration>, _CharT>
2047 template<
typename _ParseContext>
2048 constexpr typename _ParseContext::iterator
2049 parse(_ParseContext& __pc)
2050 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
2052 template<
typename _FormatContext>
2053 typename _FormatContext::iterator
2054 format(
const chrono::file_time<_Duration>& __t,
2055 _FormatContext& __ctx)
const
2057 using namespace chrono;
2058 return _M_f._M_format(chrono::clock_cast<system_clock>(__t), __ctx);
2062 __format::__formatter_chrono<_CharT> _M_f;
2065 template<
typename _Duration,
typename _CharT>
2066 struct formatter<chrono::local_time<_Duration>, _CharT>
2068 template<
typename _ParseContext>
2069 constexpr typename _ParseContext::iterator
2070 parse(_ParseContext& __pc)
2071 {
return _M_f._M_parse(__pc, __format::_DateTime); }
2073 template<
typename _FormatContext>
2074 typename _FormatContext::iterator
2075 format(
const chrono::local_time<_Duration>& __t,
2076 _FormatContext& __ctx)
const
2077 {
return _M_f._M_format(__t, __ctx); }
2080 __format::__formatter_chrono<_CharT> _M_f;
2083 template<
typename _Duration,
typename _CharT>
2084 struct formatter<chrono::__detail::__local_time_fmt<_Duration>, _CharT>
2086 template<
typename _ParseContext>
2087 constexpr typename _ParseContext::iterator
2088 parse(_ParseContext& __pc)
2089 {
return _M_f._M_parse(__pc, __format::_ZonedDateTime); }
2091 template<
typename _FormatContext>
2092 typename _FormatContext::iterator
2093 format(
const chrono::__detail::__local_time_fmt<_Duration>& __t,
2094 _FormatContext& __ctx)
const
2095 {
return _M_f._M_format(__t, __ctx); }
2098 __format::__formatter_chrono<_CharT> _M_f;
2101#if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI
2102 template<
typename _Duration,
typename _TimeZonePtr,
typename _CharT>
2103 struct formatter<chrono::zoned_time<_Duration, _TimeZonePtr>, _CharT>
2104 : formatter<chrono::__detail::__local_time_fmt<_Duration>, _CharT>
2106 template<
typename _FormatContext>
2107 typename _FormatContext::iterator
2108 format(
const chrono::zoned_time<_Duration, _TimeZonePtr>& __tp,
2109 _FormatContext& __ctx)
const
2111 using chrono::__detail::__local_time_fmt;
2112 using _Base = formatter<__local_time_fmt<_Duration>, _CharT>;
2113 const chrono::sys_info __info = __tp.get_info();
2114 const auto __lf = chrono::local_time_format(__tp.get_local_time(),
2117 return _Base::format(__lf, __ctx);
2123 template<
typename _Duration,
typename _CharT>
2124 struct formatter<chrono::__detail::__utc_leap_second<_Duration>, _CharT>
2125 : formatter<chrono::utc_time<_Duration>, _CharT>
2127 template<
typename _FormatContext>
2128 typename _FormatContext::iterator
2129 format(
const chrono::__detail::__utc_leap_second<_Duration>& __t,
2130 _FormatContext& __fc)
const
2131 {
return this->_M_f._M_format(__t, __fc); }
2141 template<
typename _CharT,
typename _Traits,
typename _Rep,
typename _Period,
2142 typename _Alloc = allocator<_CharT>>
2143 basic_istream<_CharT, _Traits>&
2144 from_stream(basic_istream<_CharT, _Traits>& __is,
const _CharT* __fmt,
2145 duration<_Rep, _Period>& __d,
2146 basic_string<_CharT, _Traits, _Alloc>* __abbrev =
nullptr,
2152 template<
typename _CharT,
typename _Traits>
2153 inline basic_ostream<_CharT, _Traits>&
2154 operator<<(basic_ostream<_CharT, _Traits>& __os,
const day& __d)
2156 using _Ctx = __conditional_t<is_same_v<_CharT, char>,
2157 format_context, wformat_context>;
2158 using _Str = basic_string_view<_CharT>;
2159 _Str __s = _GLIBCXX_WIDEN(
"{:02d} is not a valid day");
2161 __s = __s.substr(0, 6);
2162 __os << std::vformat(__s, make_format_args<_Ctx>((
unsigned)__d));
2168 template<
typename _CharT,
typename _Traits>
2169 inline basic_ostream<_CharT, _Traits>&
2170 operator<<(basic_ostream<_CharT, _Traits>& __os,
const month& __m)
2172 using _Ctx = __conditional_t<is_same_v<_CharT, char>,
2173 format_context, wformat_context>;
2174 using _Str = basic_string_view<_CharT>;
2175 _Str __s = _GLIBCXX_WIDEN(
"{:L%b}{} is not a valid month");
2177 __os << std::vformat(__os.getloc(), __s.substr(0, 6),
2178 make_format_args<_Ctx>(__m));
2180 __os << std::vformat(__s.substr(6),
2181 make_format_args<_Ctx>((
unsigned)__m));
2187 template<
typename _CharT,
typename _Traits>
2188 inline basic_ostream<_CharT, _Traits>&
2189 operator<<(basic_ostream<_CharT, _Traits>& __os,
const year& __y)
2191 using _Ctx = __conditional_t<is_same_v<_CharT, char>,
2192 format_context, wformat_context>;
2193 using _Str = basic_string_view<_CharT>;
2194 _Str __s = _GLIBCXX_WIDEN(
"-{:04d} is not a valid year");
2196 __s = __s.substr(0, 7);
2198 if (__i >= 0) [[likely]]
2199 __s.remove_prefix(1);
2202 __os << std::vformat(__s, make_format_args<_Ctx>(__i));
2208 template<
typename _CharT,
typename _Traits>
2209 inline basic_ostream<_CharT, _Traits>&
2210 operator<<(basic_ostream<_CharT, _Traits>& __os,
const weekday& __wd)
2212 using _Ctx = __conditional_t<is_same_v<_CharT, char>,
2213 format_context, wformat_context>;
2214 using _Str = basic_string_view<_CharT>;
2215 _Str __s = _GLIBCXX_WIDEN(
"{:L%a}{} is not a valid weekday");
2217 __os << std::vformat(__os.getloc(), __s.substr(0, 6),
2218 make_format_args<_Ctx>(__wd));
2220 __os << std::vformat(__s.substr(6),
2221 make_format_args<_Ctx>(__wd.c_encoding()));
2227 template<
typename _CharT,
typename _Traits>
2228 inline basic_ostream<_CharT, _Traits>&
2229 operator<<(basic_ostream<_CharT, _Traits>& __os,
2230 const weekday_indexed& __wdi)
2235 basic_stringstream<_CharT> __os2;
2236 __os2.imbue(__os.getloc());
2237 __os2 << __wdi.weekday();
2238 const auto __i = __wdi.index();
2239 if constexpr (is_same_v<_CharT, char>)
2240 __os2 << std::format(
"[{}", __i);
2242 __os2 << std::format(L
"[{}", __i);
2243 basic_string_view<_CharT> __s = _GLIBCXX_WIDEN(
" is not a valid index]");
2244 if (__i >= 1 && __i <= 5)
2245 __os2 << __s.back();
2248 __os << __os2.view();
2252 template<
typename _CharT,
typename _Traits>
2253 inline basic_ostream<_CharT, _Traits>&
2254 operator<<(basic_ostream<_CharT, _Traits>& __os,
2255 const weekday_last& __wdl)
2258 basic_stringstream<_CharT> __os2;
2259 __os2.imbue(__os.getloc());
2260 __os2 << __wdl.weekday() << _GLIBCXX_WIDEN(
"[last]");
2261 __os << __os2.view();
2265 template<
typename _CharT,
typename _Traits>
2266 inline basic_ostream<_CharT, _Traits>&
2267 operator<<(basic_ostream<_CharT, _Traits>& __os,
const month_day& __md)
2270 basic_stringstream<_CharT> __os2;
2271 __os2.imbue(__os.getloc());
2272 __os2 << __md.month();
2273 if constexpr (is_same_v<_CharT, char>)
2277 __os2 << __md.day();
2278 __os << __os2.view();
2284 template<
typename _CharT,
typename _Traits>
2285 inline basic_ostream<_CharT, _Traits>&
2286 operator<<(basic_ostream<_CharT, _Traits>& __os,
2287 const month_day_last& __mdl)
2290 basic_stringstream<_CharT> __os2;
2291 __os2.imbue(__os.getloc());
2292 __os2 << __mdl.month();
2293 if constexpr (is_same_v<_CharT, char>)
2297 __os << __os2.view();
2301 template<
typename _CharT,
typename _Traits>
2302 inline basic_ostream<_CharT, _Traits>&
2303 operator<<(basic_ostream<_CharT, _Traits>& __os,
2304 const month_weekday& __mwd)
2307 basic_stringstream<_CharT> __os2;
2308 __os2.imbue(__os.getloc());
2309 __os2 << __mwd.month();
2310 if constexpr (is_same_v<_CharT, char>)
2314 __os2 << __mwd.weekday_indexed();
2315 __os << __os2.view();
2319 template<
typename _CharT,
typename _Traits>
2320 inline basic_ostream<_CharT, _Traits>&
2321 operator<<(basic_ostream<_CharT, _Traits>& __os,
2322 const month_weekday_last& __mwdl)
2325 basic_stringstream<_CharT> __os2;
2326 __os2.imbue(__os.getloc());
2327 __os2 << __mwdl.month();
2328 if constexpr (is_same_v<_CharT, char>)
2332 __os2 << __mwdl.weekday_last();
2333 __os << __os2.view();
2337 template<
typename _CharT,
typename _Traits>
2338 inline basic_ostream<_CharT, _Traits>&
2339 operator<<(basic_ostream<_CharT, _Traits>& __os,
const year_month& __ym)
2342 basic_stringstream<_CharT> __os2;
2343 __os2.imbue(__os.getloc());
2344 __os2 << __ym.year();
2345 if constexpr (is_same_v<_CharT, char>)
2349 __os2 << __ym.month();
2350 __os << __os2.view();
2356 template<
typename _CharT,
typename _Traits>
2357 inline basic_ostream<_CharT, _Traits>&
2358 operator<<(basic_ostream<_CharT, _Traits>& __os,
2359 const year_month_day& __ymd)
2361 using _Ctx = __conditional_t<is_same_v<_CharT, char>,
2362 format_context, wformat_context>;
2363 using _Str = basic_string_view<_CharT>;
2364 _Str __s = _GLIBCXX_WIDEN(
"{:%F} is not a valid date");
2365 __os << std::vformat(__ymd.ok() ? __s.substr(0, 5) : __s,
2366 make_format_args<_Ctx>(__ymd));
2372 template<
typename _CharT,
typename _Traits>
2373 inline basic_ostream<_CharT, _Traits>&
2374 operator<<(basic_ostream<_CharT, _Traits>& __os,
2375 const year_month_day_last& __ymdl)
2378 basic_stringstream<_CharT> __os2;
2379 __os2.imbue(__os.getloc());
2380 __os2 << __ymdl.year();
2381 if constexpr (is_same_v<_CharT, char>)
2385 __os2 << __ymdl.month_day_last();
2386 __os << __os2.view();
2390 template<
typename _CharT,
typename _Traits>
2391 inline basic_ostream<_CharT, _Traits>&
2392 operator<<(basic_ostream<_CharT, _Traits>& __os,
2393 const year_month_weekday& __ymwd)
2397 basic_stringstream<_CharT> __os2;
2398 __os2.imbue(__os.getloc());
2400 if constexpr (is_same_v<_CharT, char>)
2404 __os2 << __ymwd.year() << __slash << __ymwd.month() << __slash
2405 << __ymwd.weekday_indexed();
2406 __os << __os2.view();
2410 template<
typename _CharT,
typename _Traits>
2411 inline basic_ostream<_CharT, _Traits>&
2412 operator<<(basic_ostream<_CharT, _Traits>& __os,
2413 const year_month_weekday_last& __ymwdl)
2417 basic_stringstream<_CharT> __os2;
2418 __os2.imbue(__os.getloc());
2420 if constexpr (is_same_v<_CharT, char>)
2424 __os2 << __ymwdl.year() << __slash << __ymwdl.month() << __slash
2425 << __ymwdl.weekday_last();
2426 __os << __os2.view();
2430 template<
typename _CharT,
typename _Traits,
typename _Duration>
2431 inline basic_ostream<_CharT, _Traits>&
2432 operator<<(basic_ostream<_CharT, _Traits>& __os,
2433 const hh_mm_ss<_Duration>& __hms)
2435 return __os << format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%T}"), __hms);
2438#if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI
2440 template<
typename _CharT,
typename _Traits>
2441 basic_ostream<_CharT, _Traits>&
2442 operator<<(basic_ostream<_CharT, _Traits>& __os,
const sys_info& __i)
2444 __os <<
'[' << __i.begin <<
',' << __i.end
2445 <<
',' << hh_mm_ss(__i.offset) <<
',' << __i.save
2446 <<
',' << __i.abbrev <<
']';
2451 template<
typename _CharT,
typename _Traits>
2452 basic_ostream<_CharT, _Traits>&
2453 operator<<(basic_ostream<_CharT, _Traits>& __os,
const local_info& __li)
2456 if (__li.result == local_info::unique)
2460 if (__li.result == local_info::nonexistent)
2461 __os <<
"nonexistent";
2463 __os <<
"ambiguous";
2464 __os <<
" local time between " << __li.first;
2465 __os <<
" and " << __li.second;
2471 template<
typename _CharT,
typename _Traits,
typename _Duration,
2472 typename _TimeZonePtr>
2473 inline basic_ostream<_CharT, _Traits>&
2474 operator<<(basic_ostream<_CharT, _Traits>& __os,
2475 const zoned_time<_Duration, _TimeZonePtr>& __t)
2477 __os << format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T %Z}"), __t);
2482 template<
typename _CharT,
typename _Traits,
typename _Duration>
2483 requires (!treat_as_floating_point_v<typename _Duration::rep>)
2484 && ratio_less_v<typename _Duration::period, days::period>
2485 inline basic_ostream<_CharT, _Traits>&
2486 operator<<(basic_ostream<_CharT, _Traits>& __os,
2487 const sys_time<_Duration>& __tp)
2489 __os << std::format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T}"), __tp);
2493 template<
typename _CharT,
typename _Traits>
2494 inline basic_ostream<_CharT, _Traits>&
2495 operator<<(basic_ostream<_CharT, _Traits>& __os,
const sys_days& __dp)
2497 __os << year_month_day{__dp};
2503 template<
typename _CharT,
typename _Traits,
typename _Duration>
2504 inline basic_ostream<_CharT, _Traits>&
2505 operator<<(basic_ostream<_CharT, _Traits>& __os,
2506 const utc_time<_Duration>& __t)
2508 __os << std::format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T}"), __t);
2514 template<
typename _CharT,
typename _Traits,
typename _Duration>
2515 inline basic_ostream<_CharT, _Traits>&
2516 operator<<(basic_ostream<_CharT, _Traits>& __os,
2517 const tai_time<_Duration>& __t)
2519 __os << std::format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T}"), __t);
2525 template<
typename _CharT,
typename _Traits,
typename _Duration>
2526 inline basic_ostream<_CharT, _Traits>&
2527 operator<<(basic_ostream<_CharT, _Traits>& __os,
2528 const gps_time<_Duration>& __t)
2530 __os << std::format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T}"), __t);
2537 template<
typename _CharT,
typename _Traits,
typename _Duration>
2538 inline basic_ostream<_CharT, _Traits>&
2539 operator<<(basic_ostream<_CharT, _Traits>& __os,
2540 const file_time<_Duration>& __t)
2542 __os << std::format(__os.getloc(), _GLIBCXX_WIDEN(
"{:L%F %T}"), __t);
2548 template<
typename _CharT,
typename _Traits,
typename _Duration>
2549 inline basic_ostream<_CharT, _Traits>&
2550 operator<<(basic_ostream<_CharT, _Traits>& __os,
2551 const local_time<_Duration>& __lt)
2553 __os << sys_time<_Duration>{__lt.time_since_epoch()};
2558#undef _GLIBCXX_WIDEN
2563_GLIBCXX_END_NAMESPACE_VERSION
__detail::__local_time_fmt< _Duration > local_time_format(local_time< _Duration > __time, const string *__abbrev=nullptr, const seconds *__offset_sec=nullptr)
duration< int64_t, ratio< 86400 > > days
days
basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const duration< _Rep, _Period > &__d)
duration< int64_t, ratio< 60 > > minutes
minutes
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
ISO C++ entities toplevel namespace is std.
constexpr bitset< _Nb > operator|(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
Implementation details not part of the namespace std interface.
ISO C++ 2011 namespace for date and time utilities.
Template class basic_ostream.
Controlling output for std::string.
Properties of fundamental types.
Provides compile-time rational arithmetic.
chrono::duration represents a distance between two points in time
chrono::time_point represents a point in time as measured by a clock
streamsize precision() const
Flags access.
fmtflags flags() const
Access to format flags.
locale getloc() const
Locale access.
Container class for localization functionality.
static const locale & classic()
Return reference to the C locale.