xref: /PHP-7.0/ext/date/lib/timelib.h (revision 60a6feed)
1 /*
2  * The MIT License (MIT)
3  *
4  * Copyright (c) 2015 Derick Rethans
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef __TIMELIB_H__
26 #define __TIMELIB_H__
27 
28 #include "timelib_structs.h"
29 #if HAVE_LIMITS_H
30 #include <limits.h>
31 #endif
32 
33 #ifndef timelib_malloc
34 # define timelib_malloc  malloc
35 # define timelib_realloc realloc
36 # define timelib_calloc  calloc
37 # define timelib_strdup  strdup
38 # define timelib_free    free
39 #endif
40 
41 #define TIMELIB_VERSION 201602
42 #define TIMELIB_ASCII_VERSION "2016.02"
43 
44 #define TIMELIB_NONE             0x00
45 #define TIMELIB_OVERRIDE_TIME    0x01
46 #define TIMELIB_NO_CLONE         0x02
47 
48 #define TIMELIB_UNSET   -99999
49 
50 #define TIMELIB_SPECIAL_WEEKDAY                   0x01
51 #define TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH      0x02
52 #define TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH 0x03
53 
54 #define TIMELIB_SPECIAL_FIRST_DAY_OF_MONTH        0x01
55 #define TIMELIB_SPECIAL_LAST_DAY_OF_MONTH         0x02
56 
57 #ifndef LONG_MAX
58 #define LONG_MAX 2147483647L
59 #endif
60 
61 #ifndef LONG_MIN
62 #define LONG_MIN (- LONG_MAX - 1)
63 #endif
64 
65 #if defined(_MSC_VER) && !defined(strcasecmp)
66 #define strcasecmp stricmp
67 #endif
68 
69 #if defined(_MSC_VER) && !defined(strncasecmp)
70 #define strncasecmp strnicmp
71 #endif
72 
73 /* Function pointers */
74 typedef timelib_tzinfo* (*timelib_tz_get_wrapper)(char *tzname, const timelib_tzdb *tzdb);
75 
76 /* From dow.c */
77 timelib_sll timelib_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d);
78 timelib_sll timelib_iso_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d);
79 timelib_sll timelib_day_of_year(timelib_sll y, timelib_sll m, timelib_sll d);
80 timelib_sll timelib_daynr_from_weeknr(timelib_sll y, timelib_sll w, timelib_sll d);
81 timelib_sll timelib_days_in_month(timelib_sll y, timelib_sll m);
82 void timelib_isoweek_from_date(timelib_sll y, timelib_sll m, timelib_sll d, timelib_sll *iw, timelib_sll *iy);
83 int timelib_valid_time(timelib_sll h, timelib_sll i, timelib_sll s);
84 int timelib_valid_date(timelib_sll y, timelib_sll m, timelib_sll d);
85 
86 /* From parse_date.re */
87 timelib_time *timelib_strtotime(char *s, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper);
88 timelib_time *timelib_parse_from_format(char *format, char *s, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper);
89 void timelib_fill_holes(timelib_time *parsed, timelib_time *now, int options);
90 char *timelib_timezone_id_from_abbr(const char *abbr, timelib_long gmtoffset, int isdst);
91 const timelib_tz_lookup_table *timelib_timezone_abbreviations_list(void);
92 timelib_long timelib_parse_tz_cor(char**);
93 
94 /* From parse_iso_intervals.re */
95 void timelib_strtointerval(char *s, size_t len,
96                            timelib_time **begin, timelib_time **end,
97 						   timelib_rel_time **period, int *recurrences,
98 						   struct timelib_error_container **errors);
99 
100 
101 /* From tm2unixtime.c */
102 void timelib_update_ts(timelib_time* time, timelib_tzinfo* tzi);
103 void timelib_do_normalize(timelib_time *base);
104 void timelib_do_rel_normalize(timelib_time *base, timelib_rel_time *rt);
105 
106 /* From unixtime2tm.c */
107 int timelib_apply_localtime(timelib_time *t, unsigned int localtime);
108 void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts);
109 void timelib_unixtime2local(timelib_time *tm, timelib_sll ts);
110 void timelib_update_from_sse(timelib_time *tm);
111 void timelib_set_timezone_from_offset(timelib_time *t, timelib_sll utc_offset);
112 void timelib_set_timezone_from_abbr(timelib_time *t, timelib_abbr_info abbr_info);
113 void timelib_set_timezone(timelib_time *t, timelib_tzinfo *tz);
114 
115 /* From parse_tz.c */
116 int timelib_timezone_id_is_valid(char *timezone, const timelib_tzdb *tzdb);
117 timelib_tzinfo *timelib_parse_tzfile(char *timezone, const timelib_tzdb *tzdb);
118 int timelib_timestamp_is_in_dst(timelib_sll ts, timelib_tzinfo *tz);
119 timelib_time_offset *timelib_get_time_zone_info(timelib_sll ts, timelib_tzinfo *tz);
120 timelib_sll timelib_get_current_offset(timelib_time *t);
121 void timelib_dump_tzinfo(timelib_tzinfo *tz);
122 const timelib_tzdb *timelib_builtin_db(void);
123 const timelib_tzdb_index_entry *timelib_timezone_builtin_identifiers_list(int *count);
124 timelib_long timelib_parse_zone(char **ptr, int *dst, timelib_time *t, int *tz_not_found, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_wrapper);
125 
126 /* From timelib.c */
127 timelib_tzinfo* timelib_tzinfo_ctor(char *name);
128 void timelib_time_tz_abbr_update(timelib_time* tm, char* tz_abbr);
129 void timelib_time_tz_name_update(timelib_time* tm, char* tz_name);
130 void timelib_tzinfo_dtor(timelib_tzinfo *tz);
131 timelib_tzinfo* timelib_tzinfo_clone(timelib_tzinfo *tz);
132 
133 timelib_rel_time* timelib_rel_time_ctor(void);
134 void timelib_rel_time_dtor(timelib_rel_time* t);
135 timelib_rel_time* timelib_rel_time_clone(timelib_rel_time *tz);
136 
137 timelib_time* timelib_time_ctor(void);
138 void timelib_time_set_option(timelib_time* tm, int option, void* option_value);
139 void timelib_time_dtor(timelib_time* t);
140 timelib_time* timelib_time_clone(timelib_time* orig);
141 int timelib_time_compare(timelib_time *t1, timelib_time *t2);
142 
143 timelib_time_offset* timelib_time_offset_ctor(void);
144 void timelib_time_offset_dtor(timelib_time_offset* t);
145 
146 void timelib_error_container_dtor(timelib_error_container *errors);
147 
148 timelib_long timelib_date_to_int(timelib_time *d, int *error);
149 void timelib_dump_date(timelib_time *d, int options);
150 void timelib_dump_rel_time(timelib_rel_time *d);
151 
152 void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec);
153 timelib_long timelib_parse_tz_cor(char **ptr);
154 
155 /* from astro.c */
156 double timelib_ts_to_juliandate(timelib_sll ts);
157 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);
158 
159 /* from interval.c */
160 timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two);
161 timelib_time *timelib_add(timelib_time *t, timelib_rel_time *interval);
162 timelib_time *timelib_sub(timelib_time *t, timelib_rel_time *interval);
163 
164 #endif
165