diff options
Diffstat (limited to 'absl/time/internal/cctz/include/cctz/civil_time_detail.h')
-rw-r--r-- | absl/time/internal/cctz/include/cctz/civil_time_detail.h | 78 |
1 files changed, 54 insertions, 24 deletions
diff --git a/absl/time/internal/cctz/include/cctz/civil_time_detail.h b/absl/time/internal/cctz/include/cctz/civil_time_detail.h index 78d1db1c..289ff499 100644 --- a/absl/time/internal/cctz/include/cctz/civil_time_detail.h +++ b/absl/time/internal/cctz/include/cctz/civil_time_detail.h @@ -32,7 +32,7 @@ #endif namespace absl { -inline namespace lts_2018_06_20 { +inline namespace lts_2018_12_18 { namespace time_internal { namespace cctz { @@ -327,6 +327,37 @@ CONSTEXPR_F fields align(year_tag, fields f) noexcept { //////////////////////////////////////////////////////////////////////// +namespace impl { + +template <typename H> +H AbslHashValueImpl(second_tag, H h, fields f) { + return H::combine(std::move(h), f.y, f.m, f.d, f.hh, f.mm, f.ss); +} +template <typename H> +H AbslHashValueImpl(minute_tag, H h, fields f) { + return H::combine(std::move(h), f.y, f.m, f.d, f.hh, f.mm); +} +template <typename H> +H AbslHashValueImpl(hour_tag, H h, fields f) { + return H::combine(std::move(h), f.y, f.m, f.d, f.hh); +} +template <typename H> +H AbslHashValueImpl(day_tag, H h, fields f) { + return H::combine(std::move(h), f.y, f.m, f.d); +} +template <typename H> +H AbslHashValueImpl(month_tag, H h, fields f) { + return H::combine(std::move(h), f.y, f.m); +} +template <typename H> +H AbslHashValueImpl(year_tag, H h, fields f) { + return H::combine(std::move(h), f.y); +} + +} // namespace impl + +//////////////////////////////////////////////////////////////////////// + template <typename T> class civil_time { public: @@ -356,11 +387,11 @@ class civil_time { : civil_time(ct.f_) {} // Factories for the maximum/minimum representable civil_time. - static civil_time max() { + static CONSTEXPR_F civil_time max() { const auto max_year = std::numeric_limits<std::int_least64_t>::max(); return civil_time(max_year, 12, 31, 23, 59, 59); } - static civil_time min() { + static CONSTEXPR_F civil_time min() { const auto min_year = std::numeric_limits<std::int_least64_t>::min(); return civil_time(min_year, 1, 1, 0, 0, 0); } @@ -404,23 +435,24 @@ class civil_time { } // Binary arithmetic operators. - inline friend CONSTEXPR_M civil_time operator+(civil_time a, - diff_t n) noexcept { + friend CONSTEXPR_F civil_time operator+(civil_time a, diff_t n) noexcept { return a += n; } - inline friend CONSTEXPR_M civil_time operator+(diff_t n, - civil_time a) noexcept { + friend CONSTEXPR_F civil_time operator+(diff_t n, civil_time a) noexcept { return a += n; } - inline friend CONSTEXPR_M civil_time operator-(civil_time a, - diff_t n) noexcept { + friend CONSTEXPR_F civil_time operator-(civil_time a, diff_t n) noexcept { return a -= n; } - inline friend CONSTEXPR_M diff_t operator-(const civil_time& lhs, - const civil_time& rhs) noexcept { + friend CONSTEXPR_F diff_t operator-(civil_time lhs, civil_time rhs) noexcept { return difference(T{}, lhs.f_, rhs.f_); } + template <typename H> + friend H AbslHashValue(H h, civil_time a) { + return impl::AbslHashValueImpl(T{}, std::move(h), a.f_); + } + private: // All instantiations of this template are allowed to call the following // private constructor and access the private fields member. @@ -435,8 +467,8 @@ class civil_time { // Disallows difference between differently aligned types. // auto n = civil_day(...) - civil_hour(...); // would be confusing. -template <typename Tag1, typename Tag2> -CONSTEXPR_F diff_t operator-(civil_time<Tag1>, civil_time<Tag2>) = delete; +template <typename T, typename U> +CONSTEXPR_F diff_t operator-(civil_time<T>, civil_time<U>) = delete; using civil_year = civil_time<year_tag>; using civil_month = civil_time<month_tag>; @@ -505,22 +537,20 @@ enum class weekday { }; CONSTEXPR_F weekday get_weekday(const civil_day& cd) noexcept { - CONSTEXPR_D weekday k_weekday_by_sun_off[7] = { - weekday::sunday, weekday::monday, weekday::tuesday, - weekday::wednesday, weekday::thursday, weekday::friday, + CONSTEXPR_D weekday k_weekday_by_mon_off[13] = { + weekday::monday, weekday::tuesday, weekday::wednesday, + weekday::thursday, weekday::friday, weekday::saturday, + weekday::sunday, weekday::monday, weekday::tuesday, + weekday::wednesday, weekday::thursday, weekday::friday, weekday::saturday, }; CONSTEXPR_D int k_weekday_offsets[1 + 12] = { -1, 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4, }; - year_t wd = cd.year() - (cd.month() < 3); - if (wd >= 0) { - wd += wd / 4 - wd / 100 + wd / 400; - } else { - wd += (wd - 3) / 4 - (wd - 99) / 100 + (wd - 399) / 400; - } + year_t wd = 2400 + (cd.year() % 400) - (cd.month() < 3); + wd += wd / 4 - wd / 100 + wd / 400; wd += k_weekday_offsets[cd.month()] + cd.day(); - return k_weekday_by_sun_off[(wd % 7 + 7) % 7]; + return k_weekday_by_mon_off[wd % 7 + 6]; } //////////////////////////////////////////////////////////////////////// @@ -556,7 +586,7 @@ std::ostream& operator<<(std::ostream& os, weekday wd); } // namespace detail } // namespace cctz } // namespace time_internal -} // inline namespace lts_2018_06_20 +} // inline namespace lts_2018_12_18 } // namespace absl #undef CONSTEXPR_M |