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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2014 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> |
+----------------------------------------------------------------------+
*/

/* $Id$ */

#include "zend.h"
#include "zend_API.h"

static zend_class_entry zend_iterator_class_entry;

static zend_object_handlers iterator_object_handlers = {
ZEND_OBJECTS_STORE_HANDLERS,
NULL, /* prop read */
NULL, /* prop write */
NULL, /* read dim */
NULL, /* write dim */
NULL,
NULL, /* get */
NULL, /* set */
NULL, /* has prop */
NULL, /* unset prop */
NULL, /* has dim */
NULL, /* unset dim */
NULL, /* props get */
NULL, /* method get */
NULL, /* call */
NULL, /* get ctor */
NULL, /* get_ce */
NULL, /* get class name */
NULL, /* compare */
NULL, /* cast */
NULL /* count */
};

ZEND_API void zend_register_iterator_wrapper(TSRMLS_D)
{
INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
str_free(zend_iterator_class_entry.name);
zend_iterator_class_entry.name = "__iterator_wrapper";
}

static void iter_wrapper_dtor(void *object, zend_object_handle handle TSRMLS_DC)
{
zend_object_iterator *iter = (zend_object_iterator*)object;
iter->funcs->dtor(iter TSRMLS_CC);
}

ZEND_API zval *zend_iterator_wrap(zend_object_iterator *iter TSRMLS_DC)
{
zval *wrapped;

MAKE_STD_ZVAL(wrapped);
Z_TYPE_P(wrapped) = IS_OBJECT;
Z_OBJ_HANDLE_P(wrapped) = zend_objects_store_put(iter, iter_wrapper_dtor, NULL, NULL TSRMLS_CC);
Z_OBJ_HT_P(wrapped) = &iterator_object_handlers;

return wrapped;
}

ZEND_API enum zend_object_iterator_kind zend_iterator_unwrap(
zval *array_ptr, zend_object_iterator **iter TSRMLS_DC)
{
switch (Z_TYPE_P(array_ptr)) {
case IS_OBJECT:
if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
*iter = (zend_object_iterator *)zend_object_store_get_object(array_ptr TSRMLS_CC);
return ZEND_ITER_OBJECT;
}
if (Z_OBJPROP_P(array_ptr)) {
return ZEND_ITER_PLAIN_OBJECT;
}
return ZEND_ITER_INVALID;

case IS_ARRAY:
if (Z_ARRVAL_P(array_ptr)) {
return ZEND_ITER_PLAIN_ARRAY;
}
return ZEND_ITER_INVALID;

default:
return ZEND_ITER_INVALID;
}
}

/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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