1                 : /*
       2                 :    +----------------------------------------------------------------------+
       3                 :    | Zend Engine                                                          |
       4                 :    +----------------------------------------------------------------------+
       5                 :    | Copyright (c) 1998-2007 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                 : /* $Id: zend_iterators.c,v 1.12.2.1.2.2 2007/01/01 09:35:46 sebastian Exp $ */
      21                 : 
      22                 : #include "zend.h"
      23                 : #include "zend_API.h"
      24                 : 
      25                 : static zend_class_entry zend_iterator_class_entry;
      26                 : 
      27                 : static zend_object_handlers iterator_object_handlers = {
      28                 :         ZEND_OBJECTS_STORE_HANDLERS,
      29                 :         NULL, /* prop read */
      30                 :         NULL, /* prop write */
      31                 :         NULL, /* read dim */
      32                 :         NULL, /* write dim */
      33                 :         NULL,
      34                 :         NULL, /* get */
      35                 :         NULL, /* set */
      36                 :         NULL, /* has prop */
      37                 :         NULL, /* unset prop */
      38                 :         NULL, /* has dim */
      39                 :         NULL, /* unset dim */
      40                 :         NULL, /* props get */
      41                 :         NULL, /* method get */
      42                 :         NULL, /* call */
      43                 :         NULL, /* get ctor */
      44                 :         NULL, /* get_ce */
      45                 :         NULL, /* get class name */
      46                 :         NULL, /* compare */
      47                 :         NULL, /* cast */
      48                 :         NULL  /* count */
      49                 : };
      50                 : 
      51                 : ZEND_API void zend_register_iterator_wrapper(TSRMLS_D)
      52             220 : {
      53             220 :         INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
      54             220 :         free(zend_iterator_class_entry.name);
      55             220 :         zend_iterator_class_entry.name = "__iterator_wrapper";
      56             220 : }
      57                 : 
      58                 : static void iter_wrapper_dtor(void *object, zend_object_handle handle TSRMLS_DC)
      59               4 : {
      60               4 :         zend_object_iterator *iter = (zend_object_iterator*)object;
      61               4 :         iter->funcs->dtor(iter TSRMLS_CC);
      62               4 : }
      63                 : 
      64                 : ZEND_API zval *zend_iterator_wrap(zend_object_iterator *iter TSRMLS_DC)
      65               4 : {
      66                 :         zval *wrapped;
      67                 : 
      68               4 :         MAKE_STD_ZVAL(wrapped);
      69               4 :         Z_TYPE_P(wrapped) = IS_OBJECT;
      70               4 :         Z_OBJ_HANDLE_P(wrapped) = zend_objects_store_put(iter, iter_wrapper_dtor, NULL, NULL TSRMLS_CC);
      71               4 :         Z_OBJ_HT_P(wrapped) = &iterator_object_handlers;
      72                 : 
      73               4 :         return wrapped;
      74                 : }
      75                 : 
      76                 : ZEND_API enum zend_object_iterator_kind zend_iterator_unwrap(
      77                 :         zval *array_ptr, zend_object_iterator **iter TSRMLS_DC)
      78            5340 : {
      79            5340 :         switch (Z_TYPE_P(array_ptr)) {
      80                 :                 case IS_OBJECT:
      81              26 :                         if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
      82              22 :                                 *iter = (zend_object_iterator *)zend_object_store_get_object(array_ptr TSRMLS_CC);
      83              22 :                                 return ZEND_ITER_OBJECT;
      84                 :                         }
      85               4 :                         if (HASH_OF(array_ptr)) {
      86               4 :                                 return ZEND_ITER_PLAIN_OBJECT;
      87                 :                         }
      88               0 :                         return ZEND_ITER_INVALID;
      89                 : 
      90                 :                 case IS_ARRAY:
      91            5314 :                         if (HASH_OF(array_ptr)) {
      92            5314 :                                 return ZEND_ITER_PLAIN_ARRAY;
      93                 :                         }
      94               0 :                         return ZEND_ITER_INVALID;
      95                 : 
      96                 :                 default:
      97               0 :                         return ZEND_ITER_INVALID;
      98                 :         }
      99                 : }
     100                 : 
     101                 : /*
     102                 :  * Local variables:
     103                 :  * tab-width: 4
     104                 :  * c-basic-offset: 4
     105                 :  * indent-tabs-mode: t
     106                 :  * End:
     107                 :  */