/src/php-src/Zend/zend_iterators.c
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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 | | |
57 | | ZEND_API void zend_register_iterator_wrapper(void) |
58 | 16 | { |
59 | 16 | INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL); |
60 | 16 | zend_iterator_class_entry.default_object_handlers = &iterator_object_handlers; |
61 | 16 | } |
62 | | |
63 | | static void iter_wrapper_free(zend_object *object) |
64 | 2.04k | { |
65 | 2.04k | zend_object_iterator *iter = (zend_object_iterator*)object; |
66 | 2.04k | iter->funcs->dtor(iter); |
67 | 2.04k | } |
68 | | |
69 | | static void iter_wrapper_dtor(zend_object *object) |
70 | 2.04k | { |
71 | 2.04k | } |
72 | | |
73 | 344 | static HashTable *iter_wrapper_get_gc(zend_object *object, zval **table, int *n) { |
74 | 344 | zend_object_iterator *iter = (zend_object_iterator*)object; |
75 | 344 | if (iter->funcs->get_gc) { |
76 | 344 | return iter->funcs->get_gc(iter, table, n); |
77 | 344 | } |
78 | | |
79 | 0 | *table = NULL; |
80 | 0 | *n = 0; |
81 | 0 | return NULL; |
82 | 344 | } |
83 | | |
84 | | ZEND_API void zend_iterator_init(zend_object_iterator *iter) |
85 | 2.04k | { |
86 | 2.04k | zend_object_std_init(&iter->std, &zend_iterator_class_entry); |
87 | 2.04k | } |
88 | | |
89 | | ZEND_API void zend_iterator_dtor(zend_object_iterator *iter) |
90 | 404 | { |
91 | 404 | if (GC_DELREF(&iter->std) > 0) { |
92 | 4 | return; |
93 | 4 | } |
94 | | |
95 | 400 | zend_objects_store_del(&iter->std); |
96 | 400 | } |
97 | | |
98 | | ZEND_API zend_object_iterator* zend_iterator_unwrap(zval *array_ptr) |
99 | 4.83k | { |
100 | 4.83k | ZEND_ASSERT(Z_TYPE_P(array_ptr) == IS_OBJECT); |
101 | 4.83k | if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) { |
102 | 4.00k | return (zend_object_iterator *)Z_OBJ_P(array_ptr); |
103 | 4.00k | } |
104 | 839 | return NULL; |
105 | 4.83k | } |