1                 : /*
       2                 :    +----------------------------------------------------------------------+
       3                 :    | Zend Engine                                                          |
       4                 :    +----------------------------------------------------------------------+
       5                 :    | Copyright (c) 1998-2009 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 272367 2008-12-31 11:12:40Z sebastian $ */
      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           34014 : {
      53           34014 :         INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
      54           34014 :         free(zend_iterator_class_entry.name.s);
      55           34014 :         zend_iterator_class_entry.name.s = "__iterator_wrapper";
      56           34014 : }
      57                 : /* }}} */
      58                 : 
      59                 : static void iter_wrapper_dtor(void *object, zend_object_handle handle TSRMLS_DC) /* {{{ */
      60            1192 : {
      61            1192 :         zend_object_iterator *iter = (zend_object_iterator*)object;
      62            1192 :         iter->funcs->dtor(iter TSRMLS_CC);
      63            1192 : }
      64                 : /* }}} */
      65                 : 
      66                 : ZEND_API zval *zend_iterator_wrap(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
      67            1194 : {
      68                 :         zval *wrapped;
      69                 : 
      70            1194 :         MAKE_STD_ZVAL(wrapped);
      71            1194 :         Z_TYPE_P(wrapped) = IS_OBJECT;
      72            1194 :         Z_OBJ_HANDLE_P(wrapped) = zend_objects_store_put(iter, iter_wrapper_dtor, NULL, NULL TSRMLS_CC);
      73            1194 :         Z_OBJ_HT_P(wrapped) = &iterator_object_handlers;
      74                 : 
      75            1194 :         return wrapped;
      76                 : }
      77                 : /* }}} */
      78                 : 
      79                 : ZEND_API enum zend_object_iterator_kind zend_iterator_unwrap(zval *array_ptr, zend_object_iterator **iter TSRMLS_DC) /* {{{ */
      80         3685198 : {
      81         3685198 :         switch (Z_TYPE_P(array_ptr)) {
      82                 :                 case IS_OBJECT:
      83            8434 :                         if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
      84            7776 :                                 *iter = (zend_object_iterator *)zend_object_store_get_object(array_ptr TSRMLS_CC);
      85            7776 :                                 return ZEND_ITER_OBJECT;
      86                 :                         }
      87             658 :                         if (HASH_OF(array_ptr)) {
      88             658 :                                 return ZEND_ITER_PLAIN_OBJECT;
      89                 :                         }
      90               0 :                         return ZEND_ITER_INVALID;
      91                 : 
      92                 :                 case IS_ARRAY:
      93         3676760 :                         if (HASH_OF(array_ptr)) {
      94         3676760 :                                 return ZEND_ITER_PLAIN_ARRAY;
      95                 :                         }
      96               0 :                         return ZEND_ITER_INVALID;
      97                 : 
      98                 :                 default:
      99               4 :                         return ZEND_ITER_INVALID;
     100                 :         }
     101                 : }
     102                 : /* }}} */
     103                 : 
     104                 : /*
     105                 :  * Local variables:
     106                 :  * tab-width: 4
     107                 :  * c-basic-offset: 4
     108                 :  * indent-tabs-mode: t
     109                 :  * End:
     110                 :  */