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(zval *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,
34 NULL, /* prop read */
35 NULL, /* prop write */
36 NULL, /* read dim */
37 NULL, /* write dim */
38 NULL,
39 NULL, /* get */
40 NULL, /* set */
41 NULL, /* has prop */
42 NULL, /* unset prop */
43 NULL, /* has dim */
44 NULL, /* unset dim */
45 NULL, /* props get */
46 NULL, /* method get */
47 NULL, /* call */
48 NULL, /* get ctor */
49 NULL, /* get class name */
50 NULL, /* compare */
51 NULL, /* cast */
52 NULL, /* count */
53 NULL, /* get_debug_info */
54 NULL, /* get_closure */
55 iter_wrapper_get_gc,
56 NULL, /* do_operation */
57 NULL /* compare */
58 };
59
zend_register_iterator_wrapper(void)60 ZEND_API void zend_register_iterator_wrapper(void)
61 {
62 INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
63 }
64
iter_wrapper_free(zend_object * object)65 static void iter_wrapper_free(zend_object *object)
66 {
67 zend_object_iterator *iter = (zend_object_iterator*)object;
68 iter->funcs->dtor(iter);
69 }
70
iter_wrapper_dtor(zend_object * object)71 static void iter_wrapper_dtor(zend_object *object)
72 {
73 }
74
iter_wrapper_get_gc(zval * object,zval ** table,int * n)75 static HashTable *iter_wrapper_get_gc(zval *object, zval **table, int *n) {
76 /* TODO: We need a get_gc iterator handler */
77 *table = NULL;
78 *n = 0;
79 return NULL;
80 }
81
zend_iterator_init(zend_object_iterator * iter)82 ZEND_API void zend_iterator_init(zend_object_iterator *iter)
83 {
84 zend_object_std_init(&iter->std, &zend_iterator_class_entry);
85 iter->std.handlers = &iterator_object_handlers;
86 }
87
zend_iterator_dtor(zend_object_iterator * iter)88 ZEND_API void zend_iterator_dtor(zend_object_iterator *iter)
89 {
90 if (GC_DELREF(&iter->std) > 0) {
91 return;
92 }
93
94 zend_objects_store_del(&iter->std);
95 }
96
zend_iterator_unwrap(zval * array_ptr)97 ZEND_API zend_object_iterator* zend_iterator_unwrap(zval *array_ptr)
98 {
99 ZEND_ASSERT(Z_TYPE_P(array_ptr) == IS_OBJECT);
100 if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
101 return (zend_object_iterator *)Z_OBJ_P(array_ptr);
102 }
103 return NULL;
104 }
105
