1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Wez Furlong <wez@thebrainroom.com> |
16 | Marcus Boerger <helly@php.net> |
17 +----------------------------------------------------------------------+
18 */
19
20 #include "zend.h"
21 #include "zend_API.h"
22
23 static zend_class_entry zend_iterator_class_entry;
24
25 static void iter_wrapper_free(zend_object *object);
26 static void iter_wrapper_dtor(zend_object *object);
27 static HashTable *iter_wrapper_get_gc(zend_object *object, zval **table, int *n);
28
29 static const zend_object_handlers iterator_object_handlers = {
30 0,
31 iter_wrapper_free,
32 iter_wrapper_dtor,
33 NULL, /* clone_obj */
34 NULL, /* prop read */
35 NULL, /* prop write */
36 NULL, /* read dim */
37 NULL, /* write dim */
38 NULL, /* get_property_ptr_ptr */
39 NULL, /* has prop */
40 NULL, /* unset prop */
41 NULL, /* has dim */
42 NULL, /* unset dim */
43 NULL, /* props get */
44 NULL, /* method get */
45 NULL, /* get ctor */
46 NULL, /* get class name */
47 NULL, /* cast */
48 NULL, /* count */
49 NULL, /* get_debug_info */
50 NULL, /* get_closure */
51 iter_wrapper_get_gc,
52 NULL, /* do_operation */
53 NULL, /* compare */
54 NULL /* get_properties_for */
55 };
56
zend_register_iterator_wrapper(void)57 ZEND_API void zend_register_iterator_wrapper(void)
58 {
59 INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
60 zend_iterator_class_entry.default_object_handlers = &iterator_object_handlers;
61 }
62
iter_wrapper_free(zend_object * object)63 static void iter_wrapper_free(zend_object *object)
64 {
65 zend_object_iterator *iter = (zend_object_iterator*)object;
66 iter->funcs->dtor(iter);
67 }
68
iter_wrapper_dtor(zend_object * object)69 static void iter_wrapper_dtor(zend_object *object)
70 {
71 }
72
iter_wrapper_get_gc(zend_object * object,zval ** table,int * n)73 static HashTable *iter_wrapper_get_gc(zend_object *object, zval **table, int *n) {
74 zend_object_iterator *iter = (zend_object_iterator*)object;
75 if (iter->funcs->get_gc) {
76 return iter->funcs->get_gc(iter, table, n);
77 }
78
79 *table = NULL;
80 *n = 0;
81 return NULL;
82 }
83
zend_iterator_init(zend_object_iterator * iter)84 ZEND_API void zend_iterator_init(zend_object_iterator *iter)
85 {
86 zend_object_std_init(&iter->std, &zend_iterator_class_entry);
87 }
88
zend_iterator_dtor(zend_object_iterator * iter)89 ZEND_API void zend_iterator_dtor(zend_object_iterator *iter)
90 {
91 if (GC_DELREF(&iter->std) > 0) {
92 return;
93 }
94
95 zend_objects_store_del(&iter->std);
96 }
97
zend_iterator_unwrap(zval * array_ptr)98 ZEND_API zend_object_iterator* zend_iterator_unwrap(zval *array_ptr)
99 {
100 ZEND_ASSERT(Z_TYPE_P(array_ptr) == IS_OBJECT);
101 if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
102 return (zend_object_iterator *)Z_OBJ_P(array_ptr);
103 }
104 return NULL;
105 }
106
