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Diffstat (limited to 'src/date-time.cpp')
-rw-r--r-- | src/date-time.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/date-time.cpp b/src/date-time.cpp new file mode 100644 index 0000000..40c638f --- /dev/null +++ b/src/date-time.cpp @@ -0,0 +1,142 @@ +/* + * Copyright 2013 Canonical Ltd. + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3, as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranties of + * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR + * PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Charles Kerr <charles.kerr@canonical.com> + */ + +#include <datetime/date-time.h> + +namespace unity { +namespace indicator { +namespace datetime { + +/*** +**** +***/ + +DateTime::DateTime(time_t t) +{ + GDateTime * gdt = g_date_time_new_from_unix_local(t); + reset(gdt); + g_date_time_unref(gdt); +} + +DateTime DateTime::NowLocal() +{ + GDateTime * gdt = g_date_time_new_now_local(); + DateTime dt(gdt); + g_date_time_unref(gdt); + return dt; +} + +DateTime DateTime::to_timezone(const std::string& zone) const +{ + auto gtz = g_time_zone_new(zone.c_str()); + auto gdt = g_date_time_to_timezone(get(), gtz); + DateTime dt(gdt); + g_time_zone_unref(gtz); + g_date_time_unref(gdt); + return dt; +} + +GDateTime* DateTime::get() const +{ + g_assert(m_dt); + return m_dt.get(); +} + +std::string DateTime::format(const std::string& fmt) const +{ + const auto str = g_date_time_format(get(), fmt.c_str()); + std::string ret = str; + g_free(str); + return ret; +} + +int DateTime::day_of_month() const +{ + return g_date_time_get_day_of_month(get()); +} + +int64_t DateTime::to_unix() const +{ + return g_date_time_to_unix(get()); +} + +void DateTime::reset(GDateTime* in) +{ + if (in) + { + auto deleter = [](GDateTime* dt){g_date_time_unref(dt);}; + m_dt = std::shared_ptr<GDateTime>(g_date_time_ref(in), deleter); + g_assert(m_dt); + } + else + { + m_dt.reset(); + } +} + +bool DateTime::operator<(const DateTime& that) const +{ + return g_date_time_compare(get(), that.get()) < 0; +} + +bool DateTime::operator!=(const DateTime& that) const +{ + // return true if this isn't set, or if it's not equal + return (!m_dt) || !(*this == that); +} + +bool DateTime::operator==(const DateTime& that) const +{ + auto dt = get(); + auto tdt = that.get(); + if (!dt && !tdt) return true; + if (!dt || !tdt) return false; + return g_date_time_compare(get(), that.get()) == 0; +} + +bool DateTime::is_same_day(const DateTime& a, const DateTime& b) +{ + // it's meaningless to compare uninitialized dates + if (!a.m_dt || !b.m_dt) + return false; + + const auto adt = a.get(); + const auto bdt = b.get(); + return (g_date_time_get_year(adt) == g_date_time_get_year(bdt)) + && (g_date_time_get_day_of_year(adt) == g_date_time_get_day_of_year(bdt)); +} + +bool DateTime::is_same_minute(const DateTime& a, const DateTime& b) +{ + if (!is_same_day(a,b)) + return false; + + const auto adt = a.get(); + const auto bdt = b.get(); + return (g_date_time_get_hour(adt) == g_date_time_get_hour(bdt)) + && (g_date_time_get_minute(adt) == g_date_time_get_minute(bdt)); +} + +/*** +**** +***/ + +} // namespace datetime +} // namespace indicator +} // namespace unity |