1/*
2 * Copyright (C) 2009-2010 Christian Hergert <chris@dronelabs.com>
3 * Copyright © 2010 Codethink Limited
4 *
5 * This library is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as
7 * published by the Free Software Foundation; either version 2.1 of the
8 * licence, or (at your option) any later version.
9 *
10 * This is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
13 * License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Authors: Christian Hergert <chris@dronelabs.com>
19 * Thiago Santos <thiago.sousa.santos@collabora.co.uk>
20 * Emmanuele Bassi <ebassi@linux.intel.com>
21 * Ryan Lortie <desrt@desrt.ca>
22 */
23
24#ifndef __G_DATE_TIME_H__
25#define __G_DATE_TIME_H__
26
27#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
28#error "Only <glib.h> can be included directly."
29#endif
30
31#include <glib/gtimezone.h>
32
33G_BEGIN_DECLS
34
35/**
36 * G_TIME_SPAN_DAY:
37 *
38 * Evaluates to a time span of one day.
39 *
40 * Since: 2.26
41 */
42#define G_TIME_SPAN_DAY (G_GINT64_CONSTANT (86400000000))
43
44/**
45 * G_TIME_SPAN_HOUR:
46 *
47 * Evaluates to a time span of one hour.
48 *
49 * Since: 2.26
50 */
51#define G_TIME_SPAN_HOUR (G_GINT64_CONSTANT (3600000000))
52
53/**
54 * G_TIME_SPAN_MINUTE:
55 *
56 * Evaluates to a time span of one minute.
57 *
58 * Since: 2.26
59 */
60#define G_TIME_SPAN_MINUTE (G_GINT64_CONSTANT (60000000))
61
62/**
63 * G_TIME_SPAN_SECOND:
64 *
65 * Evaluates to a time span of one second.
66 *
67 * Since: 2.26
68 */
69#define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT (1000000))
70
71/**
72 * G_TIME_SPAN_MILLISECOND:
73 *
74 * Evaluates to a time span of one millisecond.
75 *
76 * Since: 2.26
77 */
78#define G_TIME_SPAN_MILLISECOND (G_GINT64_CONSTANT (1000))
79
80/**
81 * GTimeSpan:
82 *
83 * A value representing an interval of time, in microseconds.
84 *
85 * Since: 2.26
86 */
87typedef gint64 GTimeSpan;
88
89/**
90 * GDateTime:
91 *
92 * `GDateTime` is an opaque structure whose members
93 * cannot be accessed directly.
94 *
95 * Since: 2.26
96 */
97typedef struct _GDateTime GDateTime;
98
99GLIB_AVAILABLE_IN_ALL
100void g_date_time_unref (GDateTime *datetime);
101GLIB_AVAILABLE_IN_ALL
102GDateTime * g_date_time_ref (GDateTime *datetime);
103
104GLIB_AVAILABLE_IN_ALL
105GDateTime * g_date_time_new_now (GTimeZone *tz);
106GLIB_AVAILABLE_IN_ALL
107GDateTime * g_date_time_new_now_local (void);
108GLIB_AVAILABLE_IN_ALL
109GDateTime * g_date_time_new_now_utc (void);
110
111GLIB_AVAILABLE_IN_ALL
112GDateTime * g_date_time_new_from_unix_local (gint64 t);
113GLIB_AVAILABLE_IN_ALL
114GDateTime * g_date_time_new_from_unix_utc (gint64 t);
115
116GLIB_AVAILABLE_IN_ALL
117GDateTime * g_date_time_new_from_timeval_local (const GTimeVal *tv);
118GLIB_AVAILABLE_IN_ALL
119GDateTime * g_date_time_new_from_timeval_utc (const GTimeVal *tv);
120
121GLIB_AVAILABLE_IN_2_56
122GDateTime * g_date_time_new_from_iso8601 (const gchar *text,
123 GTimeZone *default_tz);
124
125GLIB_AVAILABLE_IN_ALL
126GDateTime * g_date_time_new (GTimeZone *tz,
127 gint year,
128 gint month,
129 gint day,
130 gint hour,
131 gint minute,
132 gdouble seconds);
133GLIB_AVAILABLE_IN_ALL
134GDateTime * g_date_time_new_local (gint year,
135 gint month,
136 gint day,
137 gint hour,
138 gint minute,
139 gdouble seconds);
140GLIB_AVAILABLE_IN_ALL
141GDateTime * g_date_time_new_utc (gint year,
142 gint month,
143 gint day,
144 gint hour,
145 gint minute,
146 gdouble seconds);
147
148GLIB_AVAILABLE_IN_ALL
149G_GNUC_WARN_UNUSED_RESULT
150GDateTime * g_date_time_add (GDateTime *datetime,
151 GTimeSpan timespan);
152
153GLIB_AVAILABLE_IN_ALL
154G_GNUC_WARN_UNUSED_RESULT
155GDateTime * g_date_time_add_years (GDateTime *datetime,
156 gint years);
157GLIB_AVAILABLE_IN_ALL
158G_GNUC_WARN_UNUSED_RESULT
159GDateTime * g_date_time_add_months (GDateTime *datetime,
160 gint months);
161GLIB_AVAILABLE_IN_ALL
162G_GNUC_WARN_UNUSED_RESULT
163GDateTime * g_date_time_add_weeks (GDateTime *datetime,
164 gint weeks);
165GLIB_AVAILABLE_IN_ALL
166G_GNUC_WARN_UNUSED_RESULT
167GDateTime * g_date_time_add_days (GDateTime *datetime,
168 gint days);
169
170GLIB_AVAILABLE_IN_ALL
171G_GNUC_WARN_UNUSED_RESULT
172GDateTime * g_date_time_add_hours (GDateTime *datetime,
173 gint hours);
174GLIB_AVAILABLE_IN_ALL
175G_GNUC_WARN_UNUSED_RESULT
176GDateTime * g_date_time_add_minutes (GDateTime *datetime,
177 gint minutes);
178GLIB_AVAILABLE_IN_ALL
179G_GNUC_WARN_UNUSED_RESULT
180GDateTime * g_date_time_add_seconds (GDateTime *datetime,
181 gdouble seconds);
182
183GLIB_AVAILABLE_IN_ALL
184G_GNUC_WARN_UNUSED_RESULT
185GDateTime * g_date_time_add_full (GDateTime *datetime,
186 gint years,
187 gint months,
188 gint days,
189 gint hours,
190 gint minutes,
191 gdouble seconds);
192
193GLIB_AVAILABLE_IN_ALL
194gint g_date_time_compare (gconstpointer dt1,
195 gconstpointer dt2);
196GLIB_AVAILABLE_IN_ALL
197GTimeSpan g_date_time_difference (GDateTime *end,
198 GDateTime *begin);
199GLIB_AVAILABLE_IN_ALL
200guint g_date_time_hash (gconstpointer datetime);
201GLIB_AVAILABLE_IN_ALL
202gboolean g_date_time_equal (gconstpointer dt1,
203 gconstpointer dt2);
204
205GLIB_AVAILABLE_IN_ALL
206void g_date_time_get_ymd (GDateTime *datetime,
207 gint *year,
208 gint *month,
209 gint *day);
210
211GLIB_AVAILABLE_IN_ALL
212gint g_date_time_get_year (GDateTime *datetime);
213GLIB_AVAILABLE_IN_ALL
214gint g_date_time_get_month (GDateTime *datetime);
215GLIB_AVAILABLE_IN_ALL
216gint g_date_time_get_day_of_month (GDateTime *datetime);
217
218GLIB_AVAILABLE_IN_ALL
219gint g_date_time_get_week_numbering_year (GDateTime *datetime);
220GLIB_AVAILABLE_IN_ALL
221gint g_date_time_get_week_of_year (GDateTime *datetime);
222GLIB_AVAILABLE_IN_ALL
223gint g_date_time_get_day_of_week (GDateTime *datetime);
224
225GLIB_AVAILABLE_IN_ALL
226gint g_date_time_get_day_of_year (GDateTime *datetime);
227
228GLIB_AVAILABLE_IN_ALL
229gint g_date_time_get_hour (GDateTime *datetime);
230GLIB_AVAILABLE_IN_ALL
231gint g_date_time_get_minute (GDateTime *datetime);
232GLIB_AVAILABLE_IN_ALL
233gint g_date_time_get_second (GDateTime *datetime);
234GLIB_AVAILABLE_IN_ALL
235gint g_date_time_get_microsecond (GDateTime *datetime);
236GLIB_AVAILABLE_IN_ALL
237gdouble g_date_time_get_seconds (GDateTime *datetime);
238
239GLIB_AVAILABLE_IN_ALL
240gint64 g_date_time_to_unix (GDateTime *datetime);
241GLIB_AVAILABLE_IN_ALL
242gboolean g_date_time_to_timeval (GDateTime *datetime,
243 GTimeVal *tv);
244
245GLIB_AVAILABLE_IN_ALL
246GTimeSpan g_date_time_get_utc_offset (GDateTime *datetime);
247GLIB_AVAILABLE_IN_ALL
248const gchar * g_date_time_get_timezone_abbreviation (GDateTime *datetime);
249GLIB_AVAILABLE_IN_ALL
250gboolean g_date_time_is_daylight_savings (GDateTime *datetime);
251
252GLIB_AVAILABLE_IN_ALL
253GDateTime * g_date_time_to_timezone (GDateTime *datetime,
254 GTimeZone *tz);
255GLIB_AVAILABLE_IN_ALL
256GDateTime * g_date_time_to_local (GDateTime *datetime);
257GLIB_AVAILABLE_IN_ALL
258GDateTime * g_date_time_to_utc (GDateTime *datetime);
259
260GLIB_AVAILABLE_IN_ALL
261gchar * g_date_time_format (GDateTime *datetime,
262 const gchar *format) G_GNUC_MALLOC;
263
264G_END_DECLS
265
266#endif /* __G_DATE_TIME_H__ */
267