1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Derick Rethans <derick@derickrethans.nl> |
14 +----------------------------------------------------------------------+
15 */
16
17 #ifndef PHP_DATE_H
18 #define PHP_DATE_H
19
20 #include "lib/timelib.h"
21 #include "Zend/zend_hash.h"
22
23 /* Same as SIZEOF_ZEND_LONG but using TIMELIB_LONG_MAX/MIN */
24 #if TIMELIB_LONG_MAX == INT32_MAX
25 # define PHP_DATE_SIZEOF_LONG 4
26 #elif TIMELIB_LONG_MAX == INT64_MAX
27 # define PHP_DATE_SIZEOF_LONG 8
28 #else
29 # error "Unknown TIMELIB LONG SIZE"
30 #endif
31
32 /* Same as ZEND_DOUBLE_FITS_LONG but using TIMELIB_LONG_MAX/MIN */
33 #if PHP_DATE_SIZEOF_LONG == 4
34 # define PHP_DATE_DOUBLE_FITS_LONG(d) (!((d) > (double)TIMELIB_LONG_MAX || (d) < (double)TIMELIB_LONG_MIN))
35 #elif PHP_DATE_SIZEOF_LONG == 8
36 /* >= as (double)TIMELIB_LONG_MAX is outside signed range */
37 # define PHP_DATE_DOUBLE_FITS_LONG(d) (!((d) >= (double)TIMELIB_LONG_MAX || (d) < (double)TIMELIB_LONG_MIN))
38 #endif
39
40 #include "php_version.h"
41 #define PHP_DATE_VERSION PHP_VERSION
42
43 extern zend_module_entry date_module_entry;
44 #define phpext_date_ptr &date_module_entry
45
46 PHP_RINIT_FUNCTION(date);
47 PHP_RSHUTDOWN_FUNCTION(date);
48 PHP_MINIT_FUNCTION(date);
49 PHP_MSHUTDOWN_FUNCTION(date);
50 PHP_MINFO_FUNCTION(date);
51 ZEND_MODULE_POST_ZEND_DEACTIVATE_D(date);
52
53 typedef struct _php_date_obj php_date_obj;
54 typedef struct _php_timezone_obj php_timezone_obj;
55 typedef struct _php_interval_obj php_interval_obj;
56 typedef struct _php_period_obj php_period_obj;
57
58 struct _php_date_obj {
59 timelib_time *time;
60 zend_object std;
61 };
62
php_date_obj_from_obj(zend_object * obj)63 static inline php_date_obj *php_date_obj_from_obj(zend_object *obj) {
64 return (php_date_obj*)((char*)(obj) - XtOffsetOf(php_date_obj, std));
65 }
66
67 #define Z_PHPDATE_P(zv) php_date_obj_from_obj(Z_OBJ_P((zv)))
68
69 struct _php_timezone_obj {
70 bool initialized;
71 int type;
72 union {
73 timelib_tzinfo *tz; /* TIMELIB_ZONETYPE_ID */
74 timelib_sll utc_offset; /* TIMELIB_ZONETYPE_OFFSET */
75 timelib_abbr_info z; /* TIMELIB_ZONETYPE_ABBR */
76 } tzi;
77 zend_object std;
78 };
79
php_timezone_obj_from_obj(zend_object * obj)80 static inline php_timezone_obj *php_timezone_obj_from_obj(zend_object *obj) {
81 return (php_timezone_obj*)((char*)(obj) - XtOffsetOf(php_timezone_obj, std));
82 }
83
84 #define Z_PHPTIMEZONE_P(zv) php_timezone_obj_from_obj(Z_OBJ_P((zv)))
85
86 #define PHP_DATE_CIVIL 1
87 #define PHP_DATE_WALL 2
88
89 struct _php_interval_obj {
90 timelib_rel_time *diff;
91 int civil_or_wall;
92 bool from_string;
93 zend_string *date_string;
94 bool initialized;
95 zend_object std;
96 };
97
php_interval_obj_from_obj(zend_object * obj)98 static inline php_interval_obj *php_interval_obj_from_obj(zend_object *obj) {
99 return (php_interval_obj*)((char*)(obj) - XtOffsetOf(php_interval_obj, std));
100 }
101
102 #define Z_PHPINTERVAL_P(zv) php_interval_obj_from_obj(Z_OBJ_P((zv)))
103
104 struct _php_period_obj {
105 timelib_time *start;
106 zend_class_entry *start_ce;
107 timelib_time *current;
108 timelib_time *end;
109 timelib_rel_time *interval;
110 int recurrences;
111 bool initialized;
112 bool include_start_date;
113 bool include_end_date;
114 zend_object std;
115 };
116
php_period_obj_from_obj(zend_object * obj)117 static inline php_period_obj *php_period_obj_from_obj(zend_object *obj) {
118 return (php_period_obj*)((char*)(obj) - XtOffsetOf(php_period_obj, std));
119 }
120
121 #define Z_PHPPERIOD_P(zv) php_period_obj_from_obj(Z_OBJ_P((zv)))
122
123 ZEND_BEGIN_MODULE_GLOBALS(date)
124 char *default_timezone;
125 char *timezone;
126 HashTable *tzcache;
127 timelib_error_container *last_errors;
128 ZEND_END_MODULE_GLOBALS(date)
129
130 #define DATEG(v) ZEND_MODULE_GLOBALS_ACCESSOR(date, v)
131
132 PHPAPI time_t php_time(void);
133
134 /* Backwards compatibility wrapper */
135 PHPAPI zend_long php_parse_date(const char *string, zend_long *now);
136 PHPAPI void php_mktime(INTERNAL_FUNCTION_PARAMETERS, bool gmt);
137 PHPAPI int php_idate(char format, time_t ts, bool localtime);
138
139 #define _php_strftime php_strftime
140
141 PHPAPI void php_strftime(INTERNAL_FUNCTION_PARAMETERS, bool gm);
142 PHPAPI zend_string *php_format_date(const char *format, size_t format_len, time_t ts, bool localtime);
143 PHPAPI zend_string *php_format_date_obj(const char *format, size_t format_len, php_date_obj *date_obj);
144
145 /* Mechanism to set new TZ database */
146 PHPAPI void php_date_set_tzdb(timelib_tzdb *tzdb);
147 PHPAPI timelib_tzinfo *get_timezone_info(void);
148
149 /* Grabbing CE's so that other exts can use the date objects too */
150 PHPAPI zend_class_entry *php_date_get_date_ce(void);
151 PHPAPI zend_class_entry *php_date_get_immutable_ce(void);
152 PHPAPI zend_class_entry *php_date_get_interface_ce(void);
153 PHPAPI zend_class_entry *php_date_get_timezone_ce(void);
154 PHPAPI zend_class_entry *php_date_get_interval_ce(void);
155 PHPAPI zend_class_entry *php_date_get_period_ce(void);
156
157 /* Functions for creating DateTime objects, and initializing them from a string */
158 #define PHP_DATE_INIT_CTOR 0x01
159 #define PHP_DATE_INIT_FORMAT 0x02
160
161 PHPAPI zval *php_date_instantiate(zend_class_entry *pce, zval *object);
162 PHPAPI bool php_date_initialize(php_date_obj *dateobj, const char *time_str, size_t time_str_len, const char *format, zval *timezone_object, int flags);
163 PHPAPI void php_date_initialize_from_ts_long(php_date_obj *dateobj, zend_long sec, int usec);
164 PHPAPI bool php_date_initialize_from_ts_double(php_date_obj *dateobj, double ts);
165
166 #endif /* PHP_DATE_H */
167
