summaryrefslogtreecommitdiff
path: root/ext/date/lib/timelib.h
blob: 81d5b8b1c1a7dfbd0ac851a424dc1665beb71587 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2010 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Derick Rethans <derick@derickrethans.nl>                    |
   +----------------------------------------------------------------------+
 */

/* $Id$ */

#ifndef __TIMELIB_H__
#define __TIMELIB_H__

#include "timelib_structs.h"
#if HAVE_LIMITS_H
#include <limits.h>
#endif

#define TIMELIB_NONE             0x00
#define TIMELIB_OVERRIDE_TIME    0x01
#define TIMELIB_NO_CLONE         0x02

#define TIMELIB_SPECIAL_WEEKDAY                   0x01
#define TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH      0x02
#define TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH 0x03

#ifndef LONG_MAX
#define LONG_MAX 2147483647L
#endif

#ifndef LONG_MIN
#define LONG_MIN (- LONG_MAX - 1)
#endif

#if defined(_MSC_VER) && !defined(strcasecmp)
#define strcasecmp stricmp
#endif

#if defined(_MSC_VER) && !defined(strncasecmp)
#define strncasecmp strnicmp
#endif

/* From dow.c */
timelib_sll timelib_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d);
timelib_sll timelib_iso_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d);
timelib_sll timelib_day_of_year(timelib_sll y, timelib_sll m, timelib_sll d);
timelib_sll timelib_daynr_from_weeknr(timelib_sll y, timelib_sll w, timelib_sll d);
timelib_sll timelib_days_in_month(timelib_sll y, timelib_sll m);
void timelib_isoweek_from_date(timelib_sll y, timelib_sll m, timelib_sll d, timelib_sll *iw, timelib_sll *iy);
int timelib_valid_time(timelib_sll h, timelib_sll i, timelib_sll s);
int timelib_valid_date(timelib_sll y, timelib_sll m, timelib_sll d);

/* From parse_date.re */
timelib_time *timelib_strtotime(char *s, int len, timelib_error_container **errors, const timelib_tzdb *tzdb);
timelib_time *timelib_parse_from_format(char *format, char *s, int len, timelib_error_container **errors, const timelib_tzdb *tzdb);
void timelib_fill_holes(timelib_time *parsed, timelib_time *now, int options);
char *timelib_timezone_id_from_abbr(const char *abbr, long gmtoffset, int isdst);
const timelib_tz_lookup_table *timelib_timezone_abbreviations_list(void);

/* From parse_iso_intervals.re */
void timelib_strtointerval(char *s, int len, 
                           timelib_time **begin, timelib_time **end, 
						   timelib_rel_time **period, int *recurrences, 
						   struct timelib_error_container **errors);


/* From tm2unixtime.c */
void timelib_update_ts(timelib_time* time, timelib_tzinfo* tzi);
void timelib_do_rel_normalize(timelib_time *base, timelib_rel_time *rt);

/* From unixtime2tm.c */
int timelib_apply_localtime(timelib_time *t, unsigned int localtime);
void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts);
void timelib_unixtime2local(timelib_time *tm, timelib_sll ts);
void timelib_update_from_sse(timelib_time *tm);
void timelib_set_timezone(timelib_time *t, timelib_tzinfo *tz);

/* From parse_tz.c */
int timelib_timezone_id_is_valid(char *timezone, const timelib_tzdb *tzdb);
timelib_tzinfo *timelib_parse_tzfile(char *timezone, const timelib_tzdb *tzdb);
int timelib_timestamp_is_in_dst(timelib_sll ts, timelib_tzinfo *tz);
timelib_time_offset *timelib_get_time_zone_info(timelib_sll ts, timelib_tzinfo *tz);
timelib_sll timelib_get_current_offset(timelib_time *t);
void timelib_dump_tzinfo(timelib_tzinfo *tz);
const timelib_tzdb *timelib_builtin_db(void);
const timelib_tzdb_index_entry *timelib_timezone_builtin_identifiers_list(int *count);

/* From timelib.c */
timelib_tzinfo* timelib_tzinfo_ctor(char *name);
void timelib_time_tz_abbr_update(timelib_time* tm, char* tz_abbr);
void timelib_time_tz_name_update(timelib_time* tm, char* tz_name);
void timelib_tzinfo_dtor(timelib_tzinfo *tz);
timelib_tzinfo* timelib_tzinfo_clone(timelib_tzinfo *tz);

timelib_rel_time* timelib_rel_time_ctor(void);
void timelib_rel_time_dtor(timelib_rel_time* t);
timelib_rel_time* timelib_rel_time_clone(timelib_rel_time *tz);

timelib_time* timelib_time_ctor(void);
void timelib_time_set_option(timelib_time* tm, int option, void* option_value);
void timelib_time_dtor(timelib_time* t);

timelib_time_offset* timelib_time_offset_ctor(void);
void timelib_time_offset_dtor(timelib_time_offset* t);

void timelib_error_container_dtor(timelib_error_container *errors);

signed long timelib_date_to_int(timelib_time *d, int *error);
void timelib_dump_date(timelib_time *d, int options);
void timelib_dump_rel_time(timelib_rel_time *d);

void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec);

/* from astro.c */
double timelib_ts_to_juliandate(timelib_sll ts);
int timelib_astro_rise_set_altitude(timelib_time *time, double lon, double lat, double altit, int upper_limb, double *h_rise, double *h_set, timelib_sll *ts_rise, timelib_sll *ts_set, timelib_sll *ts_transit);

/* from interval.c */
timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two);

#endif