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191 lines
8.9 KiB
C
191 lines
8.9 KiB
C
/* gdatetime.h
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*
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* Copyright (C) 2009-2010 Christian Hergert <chris@dronelabs.com>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#ifndef __G_DATE_TIME_H__
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#define __G_DATE_TIME_H__
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#include <time.h>
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#include <glib/gtypes.h>
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G_BEGIN_DECLS
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/**
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* G_TIME_SPAN_DAY:
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*
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* Evaluates to a time span of one day.
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*
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* Since: 2.26
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*/
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#define G_TIME_SPAN_DAY (G_GINT64_CONSTANT (86400000000))
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/**
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* G_TIME_SPAN_HOUR:
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*
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* Evaluates to a time span of one hour.
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*
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* Since: 2.26
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*/
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#define G_TIME_SPAN_HOUR (G_GINT64_CONSTANT (3600000000))
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/**
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* G_TIME_SPAN_MINUTE:
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*
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* Evaluates to a time span of one minute.
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*
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* Since: 2.26
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*/
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#define G_TIME_SPAN_MINUTE (G_GINT64_CONSTANT (60000000))
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/**
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* G_TIME_SPAN_SECOND:
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*
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* Evaluates to a time span of one second.
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*
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* Since: 2.26
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*/
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#define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT (1000000))
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/**
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* G_TIME_SPAN_MILLISECOND:
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*
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* Evaluates to a time span of one millisecond.
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*
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* Since: 2.26
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*/
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#define G_TIME_SPAN_MILLISECOND (G_GINT64_CONSTANT (1000))
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/**
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* GDateTime:
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*
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* <structname>GDateTime</structname> is an opaque structure whose members
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* cannot be accessed directly.
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*
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* Since: 2.26
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*/
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typedef struct _GDateTime GDateTime;
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/**
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* GTimeSpan:
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*
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* A value representing an interval of time, in microseconds.
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*
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* Since: 2.26
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*/
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typedef gint64 GTimeSpan;
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GDateTime * g_date_time_new_now (void);
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GDateTime * g_date_time_new_today (void);
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GDateTime * g_date_time_new_utc_now (void);
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GDateTime * g_date_time_new_from_date (gint year,
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gint month,
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gint day);
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GDateTime * g_date_time_new_from_epoch (gint64 secs);
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GDateTime * g_date_time_new_from_timeval (GTimeVal *tv);
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GDateTime * g_date_time_new_full (gint year,
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gint month,
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gint day,
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gint hour,
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gint minute,
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gint second,
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const gchar *timezone);
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GDateTime * g_date_time_copy (const GDateTime *datetime);
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GDateTime * g_date_time_ref (GDateTime *datetime);
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void g_date_time_unref (GDateTime *datetime);
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GDateTime * g_date_time_add (const GDateTime *datetime,
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GTimeSpan timespan);
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GDateTime * g_date_time_add_days (const GDateTime *datetime,
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gint days);
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GDateTime * g_date_time_add_hours (const GDateTime *datetime,
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gint hours);
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GDateTime * g_date_time_add_milliseconds (const GDateTime *datetime,
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gint milliseconds);
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GDateTime * g_date_time_add_minutes (const GDateTime *datetime,
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gint minutes);
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GDateTime * g_date_time_add_months (const GDateTime *datetime,
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gint months);
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GDateTime * g_date_time_add_seconds (const GDateTime *datetime,
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gint seconds);
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GDateTime * g_date_time_add_weeks (const GDateTime *datetime,
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gint weeks);
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GDateTime * g_date_time_add_years (const GDateTime *datetime,
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gint years);
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GDateTime * g_date_time_add_full (const GDateTime *datetime,
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gint years,
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gint months,
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gint days,
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gint hours,
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gint minutes,
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gint seconds);
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GDateTime * g_date_time_day (const GDateTime *datetime);
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gint g_date_time_compare (gconstpointer dt1,
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gconstpointer dt2);
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gboolean g_date_time_equal (gconstpointer dt1,
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gconstpointer dt2);
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guint g_date_time_hash (gconstpointer datetime);
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GTimeSpan g_date_time_difference (const GDateTime *begin,
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const GDateTime *end);
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void g_date_time_get_julian (const GDateTime *datetime,
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gint *period,
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gint *julian,
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gint *hour,
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gint *minute,
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gint *second);
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gint g_date_time_get_hour (const GDateTime *datetime);
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gint g_date_time_get_minute (const GDateTime *datetime);
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gint g_date_time_get_second (const GDateTime *datetime);
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gint g_date_time_get_millisecond (const GDateTime *datetime);
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gint g_date_time_get_microsecond (const GDateTime *datetime);
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gint g_date_time_get_day_of_week (const GDateTime *datetime);
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gint g_date_time_get_day_of_month (const GDateTime *datetime);
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gint g_date_time_get_day_of_year (const GDateTime *datetime);
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gint g_date_time_get_month (const GDateTime *datetime);
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gint g_date_time_get_year (const GDateTime *datetime);
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void g_date_time_get_dmy (const GDateTime *datetime,
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gint *day,
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gint *month,
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gint *year);
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GTimeSpan g_date_time_get_utc_offset (const GDateTime *datetime);
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G_CONST_RETURN gchar *g_date_time_get_timezone_name (const GDateTime *datetime);
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gboolean g_date_time_is_leap_year (const GDateTime *datetime);
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gboolean g_date_time_is_daylight_savings (const GDateTime *datetime);
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GDateTime * g_date_time_to_local (const GDateTime *datetime);
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gint64 g_date_time_to_epoch (const GDateTime *datetime);
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void g_date_time_to_timeval (const GDateTime *datetime,
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GTimeVal *tv);
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GDateTime * g_date_time_to_utc (const GDateTime *datetime);
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gchar * g_date_time_printf (const GDateTime *datetime,
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const gchar *format) G_GNUC_MALLOC;
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G_END_DECLS
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#endif /* __G_DATE_TIME_H__ */
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