/* Copyright (C) 2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see .
*/
//#include //For g_assert() in glib >= 2.15.0
//#include //For g_assert() in glib < 2.15.0
#include //For g_assert() in all versions of glib.
#include
#include
#include
namespace Glib
{
Date::Date()
{
g_date_clear(&gobject_, 1);
}
Date::Date(Date::Day day, Date::Month month, Date::Year year)
{
g_date_clear(&gobject_, 1);
g_date_set_dmy(&gobject_, day, (GDateMonth)month, year);
}
Date::Date(guint32 julian_day)
{
g_date_clear(&gobject_, 1);
g_date_set_julian(&gobject_, julian_day);
}
Date::Date(const GDate& castitem) : gobject_(castitem)
{
}
Date::Date(const Date& other)
{
g_date_clear(&gobject_, 1);
if (g_date_valid(&other.gobject_))
g_date_set_julian(&gobject_, other.get_julian());
}
Date&
Date::operator=(const Date& other)
{
if (&other != this && g_date_valid(&other.gobject_))
g_date_set_julian(&gobject_, other.get_julian());
return *this;
}
void
Date::clear()
{
g_date_clear(&gobject_, 1);
}
void
Date::set_parse(const Glib::ustring& str)
{
g_date_set_parse(&gobject_, str.c_str());
}
void
Date::set_time(std::time_t timet)
{
g_date_set_time_t(&gobject_, timet);
}
void
Date::set_time_current()
{
// As suggested in the C documentation:
g_date_set_time_t(&gobject_, time(nullptr));
}
void
Date::set_month(Date::Month month)
{
g_date_set_month(&gobject_, (GDateMonth)month);
}
void
Date::set_day(Date::Day day)
{
g_date_set_day(&gobject_, day);
}
void
Date::set_year(Date::Year year)
{
g_date_set_year(&gobject_, year);
}
void
Date::set_dmy(Date::Day day, Date::Month month, Date::Year year)
{
g_date_set_dmy(&gobject_, day, (GDateMonth)month, year);
}
void
Date::set_julian(guint32 julian_day)
{
g_date_set_julian(&gobject_, julian_day);
}
Date&
Date::add_days(int n_days)
{
if (n_days >= 0)
g_date_add_days(&gobject_, n_days);
else
g_date_subtract_days(&gobject_, -n_days);
return *this;
}
Date&
Date::subtract_days(int n_days)
{
if (n_days >= 0)
g_date_subtract_days(&gobject_, n_days);
else
g_date_add_days(&gobject_, -n_days);
return *this;
}
Date&
Date::add_months(int n_months)
{
if (n_months >= 0)
g_date_add_months(&gobject_, n_months);
else
g_date_subtract_months(&gobject_, -n_months);
return *this;
}
Date&
Date::subtract_months(int n_months)
{
if (n_months >= 0)
g_date_subtract_months(&gobject_, n_months);
else
g_date_add_months(&gobject_, -n_months);
return *this;
}
Date&
Date::add_years(int n_years)
{
if (n_years >= 0)
g_date_add_years(&gobject_, n_years);
else
g_date_subtract_years(&gobject_, -n_years);
return *this;
}
Date&
Date::subtract_years(int n_years)
{
if (n_years >= 0)
g_date_subtract_years(&gobject_, n_years);
else
g_date_add_years(&gobject_, -n_years);
return *this;
}
int
Date::days_between(const Date& rhs) const
{
return g_date_days_between(&gobject_, &rhs.gobject_);
}
int
Date::compare(const Date& rhs) const
{
return g_date_compare(&gobject_, &rhs.gobject_);
}
Date&
Date::clamp(const Date& min_date, const Date& max_date)
{
g_date_clamp(&gobject_, &min_date.gobject_, &max_date.gobject_);
return *this;
}
Date&
Date::clamp_min(const Date& min_date)
{
g_date_clamp(&gobject_, &min_date.gobject_, nullptr /* see the C docs */);
return *this;
}
Date&
Date::clamp_max(const Date& max_date)
{
g_date_clamp(&gobject_, nullptr /* see the C docs */, &max_date.gobject_);
return *this;
}
void
Date::order(Date& other)
{
g_date_order(&gobject_, &other.gobject_);
}
Date::Weekday
Date::get_weekday() const
{
return (Date::Weekday)g_date_get_weekday(&gobject_);
}
int Date::get_weekday_as_int() const
{
return g_date_get_weekday(&gobject_);
}
Date::Month
Date::get_month() const
{
return (Date::Month)g_date_get_month(&gobject_);
}
int Date::get_month_as_int() const
{
return g_date_get_month(&gobject_);
}
Date::Year
Date::get_year() const
{
return g_date_get_year(&gobject_);
}
Date::Day
Date::get_day() const
{
return g_date_get_day(&gobject_);
}
guint32
Date::get_julian() const
{
return g_date_get_julian(&gobject_);
}
unsigned int
Date::get_day_of_year() const
{
return g_date_get_day_of_year(&gobject_);
}
unsigned int
Date::get_monday_week_of_year() const
{
return g_date_get_monday_week_of_year(&gobject_);
}
unsigned int
Date::get_sunday_week_of_year() const
{
return g_date_get_sunday_week_of_year(&gobject_);
}
unsigned int
Date::get_iso8601_week_of_year() const
{
return g_date_get_iso8601_week_of_year(&gobject_);
}
bool
Date::is_first_of_month() const
{
return g_date_is_first_of_month(&gobject_);
}
bool
Date::is_last_of_month() const
{
return g_date_is_last_of_month(&gobject_);
}
// static
guint8
Date::get_days_in_month(Date::Month month, Date::Year year)
{
return g_date_get_days_in_month((GDateMonth)month, year);
}
// static
guint8
Date::get_monday_weeks_in_year(Date::Year year)
{
return g_date_get_monday_weeks_in_year(year);
}
// static
guint8
Date::get_sunday_weeks_in_year(Date::Year year)
{
return g_date_get_sunday_weeks_in_year(year);
}
// static
bool
Date::is_leap_year(Date::Year year)
{
return g_date_is_leap_year(year);
}
Glib::ustring
Date::format_string(const Glib::ustring& format) const
{
struct tm tm_data;
g_date_to_struct_tm(&gobject_, &tm_data);
const auto locale_format = locale_from_utf8(format);
gsize bufsize = std::max(2 * locale_format.size(), 128);
do
{
const auto buf = make_unique_ptr_gfree(static_cast(g_malloc(bufsize)));
// Set the first byte to something other than '\0', to be able to
// recognize whether strftime actually failed or just returned "".
buf.get()[0] = '\1';
const auto len = strftime(buf.get(), bufsize, locale_format.c_str(), &tm_data);
if (len != 0 || buf.get()[0] == '\0')
{
g_assert(len < bufsize);
return locale_to_utf8(std::string(buf.get(), len));
}
} while ((bufsize *= 2) <= 65536);
// This error is quite unlikely (unless strftime is buggy).
g_warning("Glib::Date::format_string(): maximum size of strftime buffer exceeded, giving up");
return Glib::ustring();
}
void
Date::to_struct_tm(struct tm& dest) const
{
g_date_to_struct_tm(&gobject_, &dest);
}
bool
Date::valid() const
{
return g_date_valid(&gobject_);
}
// static
bool
Date::valid_day(Date::Day day)
{
return g_date_valid_day(day);
}
// static
bool
Date::valid_month(Date::Month month)
{
return g_date_valid_month((GDateMonth)month);
}
// static
bool
Date::valid_year(Date::Year year)
{
return g_date_valid_year(year);
}
// static
bool
Date::valid_weekday(Date::Weekday weekday)
{
return g_date_valid_weekday((GDateWeekday)weekday);
}
// static
bool
Date::valid_julian(guint32 julian_day)
{
return g_date_valid_julian(julian_day);
}
// static
bool
Date::valid_dmy(Date::Day day, Date::Month month, Date::Year year)
{
return g_date_valid_dmy(day, (GDateMonth)month, year);
}
} // namespace Glib