AlkantarClanX12
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <wez@thebrainroom.com> |
| Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* These iterators were designed to operate within the foreach()
* structures provided by the engine, but could be extended for use
* with other iterative engine opcodes.
* These methods have similar semantics to the zend_hash API functions
* with similar names.
* */
typedef struct _zend_object_iterator zend_object_iterator;
typedef struct _zend_object_iterator_funcs {
/* release all resources associated with this iterator instance */
void (*dtor)(zend_object_iterator *iter);
/* check for end of iteration (FAILURE or SUCCESS if data is valid) */
int (*valid)(zend_object_iterator *iter);
/* fetch the item data for the current element */
zval *(*get_current_data)(zend_object_iterator *iter);
/* fetch the key for the current element (optional, may be NULL). The key
* should be written into the provided zval* using the ZVAL_* macros. If
* this handler is not provided auto-incrementing integer keys will be
* used. */
void (*get_current_key)(zend_object_iterator *iter, zval *key);
/* step forwards to next element */
void (*move_forward)(zend_object_iterator *iter);
/* rewind to start of data (optional, may be NULL) */
void (*rewind)(zend_object_iterator *iter);
/* invalidate current value/key (optional, may be NULL) */
void (*invalidate_current)(zend_object_iterator *iter);
/* Expose owned values to GC.
* This has the same semantics as the corresponding object handler. */
HashTable *(*get_gc)(zend_object_iterator *iter, zval **table, int *n);
} zend_object_iterator_funcs;
struct _zend_object_iterator {
zend_object std;
zval data;
const zend_object_iterator_funcs *funcs;
zend_ulong index; /* private to fe_reset/fe_fetch opcodes */
};
typedef struct _zend_class_iterator_funcs {
zend_function *zf_new_iterator;
zend_function *zf_valid;
zend_function *zf_current;
zend_function *zf_key;
zend_function *zf_next;
zend_function *zf_rewind;
} zend_class_iterator_funcs;
typedef struct _zend_class_arrayaccess_funcs {
zend_function *zf_offsetget;
zend_function *zf_offsetexists;
zend_function *zf_offsetset;
zend_function *zf_offsetunset;
} zend_class_arrayaccess_funcs;
BEGIN_EXTERN_C()
/* given a zval, returns stuff that can be used to iterate it. */
ZEND_API zend_object_iterator* zend_iterator_unwrap(zval *array_ptr);
/* given an iterator, wrap it up as a zval for use by the engine opcodes */
ZEND_API void zend_iterator_init(zend_object_iterator *iter);
ZEND_API void zend_iterator_dtor(zend_object_iterator *iter);
ZEND_API void zend_register_iterator_wrapper(void);
END_EXTERN_C()