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1 office 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
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
18 * USA.
19 *
20 * Authors: Christian Hergert <chris@dronelabs.com>
21 * Thiago Santos <thiago.sousa.santos@collabora.co.uk>
22 * Emmanuele Bassi <ebassi@linux.intel.com>
23 * Ryan Lortie <desrt@desrt.ca>
24 */
25  
26 #ifndef __G_DATE_TIME_H__
27 #define __G_DATE_TIME_H__
28  
29 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
30 #error "Only <glib.h> can be included directly."
31 #endif
32  
33 #include <glib/gtimezone.h>
34  
35 G_BEGIN_DECLS
36  
37 /**
38 * G_TIME_SPAN_DAY:
39 *
40 * Evaluates to a time span of one day.
41 *
42 * Since: 2.26
43 */
44 #define G_TIME_SPAN_DAY (G_GINT64_CONSTANT (86400000000))
45  
46 /**
47 * G_TIME_SPAN_HOUR:
48 *
49 * Evaluates to a time span of one hour.
50 *
51 * Since: 2.26
52 */
53 #define G_TIME_SPAN_HOUR (G_GINT64_CONSTANT (3600000000))
54  
55 /**
56 * G_TIME_SPAN_MINUTE:
57 *
58 * Evaluates to a time span of one minute.
59 *
60 * Since: 2.26
61 */
62 #define G_TIME_SPAN_MINUTE (G_GINT64_CONSTANT (60000000))
63  
64 /**
65 * G_TIME_SPAN_SECOND:
66 *
67 * Evaluates to a time span of one second.
68 *
69 * Since: 2.26
70 */
71 #define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT (1000000))
72  
73 /**
74 * G_TIME_SPAN_MILLISECOND:
75 *
76 * Evaluates to a time span of one millisecond.
77 *
78 * Since: 2.26
79 */
80 #define G_TIME_SPAN_MILLISECOND (G_GINT64_CONSTANT (1000))
81  
82 /**
83 * GTimeSpan:
84 *
85 * A value representing an interval of time, in microseconds.
86 *
87 * Since: 2.26
88 */
89 typedef gint64 GTimeSpan;
90  
91 /**
92 * GDateTime:
93 *
94 * `GDateTime` is an opaque structure whose members
95 * cannot be accessed directly.
96 *
97 * Since: 2.26
98 */
99 typedef struct _GDateTime GDateTime;
100  
101 GLIB_AVAILABLE_IN_ALL
102 void g_date_time_unref (GDateTime *datetime);
103 GLIB_AVAILABLE_IN_ALL
104 GDateTime * g_date_time_ref (GDateTime *datetime);
105  
106 GLIB_AVAILABLE_IN_ALL
107 GDateTime * g_date_time_new_now (GTimeZone *tz);
108 GLIB_AVAILABLE_IN_ALL
109 GDateTime * g_date_time_new_now_local (void);
110 GLIB_AVAILABLE_IN_ALL
111 GDateTime * g_date_time_new_now_utc (void);
112  
113 GLIB_AVAILABLE_IN_ALL
114 GDateTime * g_date_time_new_from_unix_local (gint64 t);
115 GLIB_AVAILABLE_IN_ALL
116 GDateTime * g_date_time_new_from_unix_utc (gint64 t);
117  
118 GLIB_AVAILABLE_IN_ALL
119 GDateTime * g_date_time_new_from_timeval_local (const GTimeVal *tv);
120 GLIB_AVAILABLE_IN_ALL
121 GDateTime * g_date_time_new_from_timeval_utc (const GTimeVal *tv);
122  
123 GLIB_AVAILABLE_IN_ALL
124 GDateTime * g_date_time_new (GTimeZone *tz,
125 gint year,
126 gint month,
127 gint day,
128 gint hour,
129 gint minute,
130 gdouble seconds);
131 GLIB_AVAILABLE_IN_ALL
132 GDateTime * g_date_time_new_local (gint year,
133 gint month,
134 gint day,
135 gint hour,
136 gint minute,
137 gdouble seconds);
138 GLIB_AVAILABLE_IN_ALL
139 GDateTime * g_date_time_new_utc (gint year,
140 gint month,
141 gint day,
142 gint hour,
143 gint minute,
144 gdouble seconds);
145  
146 GLIB_AVAILABLE_IN_ALL
147 G_GNUC_WARN_UNUSED_RESULT
148 GDateTime * g_date_time_add (GDateTime *datetime,
149 GTimeSpan timespan);
150  
151 GLIB_AVAILABLE_IN_ALL
152 G_GNUC_WARN_UNUSED_RESULT
153 GDateTime * g_date_time_add_years (GDateTime *datetime,
154 gint years);
155 GLIB_AVAILABLE_IN_ALL
156 G_GNUC_WARN_UNUSED_RESULT
157 GDateTime * g_date_time_add_months (GDateTime *datetime,
158 gint months);
159 GLIB_AVAILABLE_IN_ALL
160 G_GNUC_WARN_UNUSED_RESULT
161 GDateTime * g_date_time_add_weeks (GDateTime *datetime,
162 gint weeks);
163 GLIB_AVAILABLE_IN_ALL
164 G_GNUC_WARN_UNUSED_RESULT
165 GDateTime * g_date_time_add_days (GDateTime *datetime,
166 gint days);
167  
168 GLIB_AVAILABLE_IN_ALL
169 G_GNUC_WARN_UNUSED_RESULT
170 GDateTime * g_date_time_add_hours (GDateTime *datetime,
171 gint hours);
172 GLIB_AVAILABLE_IN_ALL
173 G_GNUC_WARN_UNUSED_RESULT
174 GDateTime * g_date_time_add_minutes (GDateTime *datetime,
175 gint minutes);
176 GLIB_AVAILABLE_IN_ALL
177 G_GNUC_WARN_UNUSED_RESULT
178 GDateTime * g_date_time_add_seconds (GDateTime *datetime,
179 gdouble seconds);
180  
181 GLIB_AVAILABLE_IN_ALL
182 G_GNUC_WARN_UNUSED_RESULT
183 GDateTime * g_date_time_add_full (GDateTime *datetime,
184 gint years,
185 gint months,
186 gint days,
187 gint hours,
188 gint minutes,
189 gdouble seconds);
190  
191 GLIB_AVAILABLE_IN_ALL
192 gint g_date_time_compare (gconstpointer dt1,
193 gconstpointer dt2);
194 GLIB_AVAILABLE_IN_ALL
195 GTimeSpan g_date_time_difference (GDateTime *end,
196 GDateTime *begin);
197 GLIB_AVAILABLE_IN_ALL
198 guint g_date_time_hash (gconstpointer datetime);
199 GLIB_AVAILABLE_IN_ALL
200 gboolean g_date_time_equal (gconstpointer dt1,
201 gconstpointer dt2);
202  
203 GLIB_AVAILABLE_IN_ALL
204 void g_date_time_get_ymd (GDateTime *datetime,
205 gint *year,
206 gint *month,
207 gint *day);
208  
209 GLIB_AVAILABLE_IN_ALL
210 gint g_date_time_get_year (GDateTime *datetime);
211 GLIB_AVAILABLE_IN_ALL
212 gint g_date_time_get_month (GDateTime *datetime);
213 GLIB_AVAILABLE_IN_ALL
214 gint g_date_time_get_day_of_month (GDateTime *datetime);
215  
216 GLIB_AVAILABLE_IN_ALL
217 gint g_date_time_get_week_numbering_year (GDateTime *datetime);
218 GLIB_AVAILABLE_IN_ALL
219 gint g_date_time_get_week_of_year (GDateTime *datetime);
220 GLIB_AVAILABLE_IN_ALL
221 gint g_date_time_get_day_of_week (GDateTime *datetime);
222  
223 GLIB_AVAILABLE_IN_ALL
224 gint g_date_time_get_day_of_year (GDateTime *datetime);
225  
226 GLIB_AVAILABLE_IN_ALL
227 gint g_date_time_get_hour (GDateTime *datetime);
228 GLIB_AVAILABLE_IN_ALL
229 gint g_date_time_get_minute (GDateTime *datetime);
230 GLIB_AVAILABLE_IN_ALL
231 gint g_date_time_get_second (GDateTime *datetime);
232 GLIB_AVAILABLE_IN_ALL
233 gint g_date_time_get_microsecond (GDateTime *datetime);
234 GLIB_AVAILABLE_IN_ALL
235 gdouble g_date_time_get_seconds (GDateTime *datetime);
236  
237 GLIB_AVAILABLE_IN_ALL
238 gint64 g_date_time_to_unix (GDateTime *datetime);
239 GLIB_AVAILABLE_IN_ALL
240 gboolean g_date_time_to_timeval (GDateTime *datetime,
241 GTimeVal *tv);
242  
243 GLIB_AVAILABLE_IN_ALL
244 GTimeSpan g_date_time_get_utc_offset (GDateTime *datetime);
245 GLIB_AVAILABLE_IN_ALL
246 const gchar * g_date_time_get_timezone_abbreviation (GDateTime *datetime);
247 GLIB_AVAILABLE_IN_ALL
248 gboolean g_date_time_is_daylight_savings (GDateTime *datetime);
249  
250 GLIB_AVAILABLE_IN_ALL
251 GDateTime * g_date_time_to_timezone (GDateTime *datetime,
252 GTimeZone *tz);
253 GLIB_AVAILABLE_IN_ALL
254 GDateTime * g_date_time_to_local (GDateTime *datetime);
255 GLIB_AVAILABLE_IN_ALL
256 GDateTime * g_date_time_to_utc (GDateTime *datetime);
257  
258 GLIB_AVAILABLE_IN_ALL
259 gchar * g_date_time_format (GDateTime *datetime,
260 const gchar *format) G_GNUC_MALLOC;
261  
262 G_END_DECLS
263  
264 #endif /* __G_DATE_TIME_H__ */