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Annotation of embedaddon/php/Zend/zend_iterators.c, revision 1.1

1.1     ! misho       1: /*
        !             2:    +----------------------------------------------------------------------+
        !             3:    | Zend Engine                                                          |
        !             4:    +----------------------------------------------------------------------+
        !             5:    | Copyright (c) 1998-2012 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 321634 2012-01-01 13:15:04Z felipe $ */
        !            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: {
        !            53:        INIT_CLASS_ENTRY(zend_iterator_class_entry, "__iterator_wrapper", NULL);
        !            54:        free(zend_iterator_class_entry.name);
        !            55:        zend_iterator_class_entry.name = "__iterator_wrapper";
        !            56: }
        !            57: 
        !            58: static void iter_wrapper_dtor(void *object, zend_object_handle handle TSRMLS_DC)
        !            59: {
        !            60:        zend_object_iterator *iter = (zend_object_iterator*)object;
        !            61:        iter->funcs->dtor(iter TSRMLS_CC);
        !            62: }
        !            63: 
        !            64: ZEND_API zval *zend_iterator_wrap(zend_object_iterator *iter TSRMLS_DC)
        !            65: {
        !            66:        zval *wrapped;
        !            67: 
        !            68:        MAKE_STD_ZVAL(wrapped);
        !            69:        Z_TYPE_P(wrapped) = IS_OBJECT;
        !            70:        Z_OBJ_HANDLE_P(wrapped) = zend_objects_store_put(iter, iter_wrapper_dtor, NULL, NULL TSRMLS_CC);
        !            71:        Z_OBJ_HT_P(wrapped) = &iterator_object_handlers;
        !            72: 
        !            73:        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: {
        !            79:        switch (Z_TYPE_P(array_ptr)) {
        !            80:                case IS_OBJECT:
        !            81:                        if (Z_OBJ_HT_P(array_ptr) == &iterator_object_handlers) {
        !            82:                                *iter = (zend_object_iterator *)zend_object_store_get_object(array_ptr TSRMLS_CC);
        !            83:                                return ZEND_ITER_OBJECT;
        !            84:                        }
        !            85:                        if (HASH_OF(array_ptr)) {
        !            86:                                return ZEND_ITER_PLAIN_OBJECT;
        !            87:                        }
        !            88:                        return ZEND_ITER_INVALID;
        !            89: 
        !            90:                case IS_ARRAY:
        !            91:                        if (HASH_OF(array_ptr)) {
        !            92:                                return ZEND_ITER_PLAIN_ARRAY;
        !            93:                        }
        !            94:                        return ZEND_ITER_INVALID;
        !            95: 
        !            96:                default:
        !            97:                        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:  */