text: /*
    +----------------------------------------------------------------------+
    | PHP Version 5                                                        |
    +----------------------------------------------------------------------+
    | Copyright (c) 1997-2015 The PHP Group                                |
    +----------------------------------------------------------------------+
    | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
    | If you did not receive a copy of the PHP license and are unable to   |
    | obtain it through the world-wide-web, please send a note to          |
    | license@php.net so we can mail you a copy immediately.               |
    +----------------------------------------------------------------------+
    | Authors: Georg Richter <georg@php.net>                               |
    |          Andrey Hristov <andrey@php.net>                             |
    |          Ulf Wendel <uw@php.net>                                     |
    +----------------------------------------------------------------------+
  
    $Id: mysqli.c 299335 2010-05-13 11:05:09Z andrey $
  */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include <signal.h>
  
  #include "php.h"
  #include "php_ini.h"
  #include "php_mysqli_structs.h"
  #include "mysqli_priv.h"
  #include "zend_interfaces.h"
  
  
  extern zend_object_iterator_funcs php_mysqli_result_iterator_funcs;
  
  typedef struct {
  	zend_object_iterator  intern;
  	mysqli_object *result;
  	zval *current_row;
  	my_longlong row_num;
  } php_mysqli_result_iterator;
  
  
  /* {{{ */
  zend_object_iterator *php_mysqli_result_get_iterator(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator;
  
  	if (by_ref) {
  		zend_error(E_ERROR, "An iterator cannot be used with foreach by reference");
  	}
  	iterator = ecalloc(1, sizeof(php_mysqli_result_iterator));
  
  	Z_ADDREF_P(object);
  	iterator->intern.data = (void*)object;
  	iterator->intern.funcs = &php_mysqli_result_iterator_funcs;
  	iterator->result = (mysqli_object *) zend_object_store_get_object(object TSRMLS_CC);
  	iterator->row_num = -1;
  
  	return (zend_object_iterator*)iterator;
  }
  /* }}} */
  
  
  /* {{{ */
  static void php_mysqli_result_iterator_dtor(zend_object_iterator *iter TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  
  	/* cleanup handled in sxe_object_dtor as we dont always have an iterator wrapper */
  	if (iterator->intern.data) {
  		zval_ptr_dtor((zval**)&iterator->intern.data);
  	}
  	if (iterator->current_row) {
  		zval_ptr_dtor(&iterator->current_row);
  	}
  	efree(iterator);
  }
  /* }}} */
  
  
  /* {{{ */
  static int php_mysqli_result_iterator_valid(zend_object_iterator *iter TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  
  	return iterator->current_row && Z_TYPE_P(iterator->current_row) == IS_ARRAY ? SUCCESS : FAILURE;
  }
  /* }}} */
  
  
  /* {{{ */
  static void php_mysqli_result_iterator_current_data(zend_object_iterator *iter, zval ***data TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  
  	*data = &iterator->current_row;
  }
  /* }}} */
  
  
  /* {{{ */
  static void php_mysqli_result_iterator_move_forward(zend_object_iterator *iter TSRMLS_DC)
  {
  
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  	mysqli_object *intern = iterator->result;
  	MYSQL_RES	*result;
  
  	MYSQLI_FETCH_RESOURCE_BY_OBJ(result, MYSQL_RES *, intern, "mysqli_result", MYSQLI_STATUS_VALID);
  	if (iterator->current_row) {
  		zval_ptr_dtor(&iterator->current_row);
  	}
  	MAKE_STD_ZVAL(iterator->current_row);
  	php_mysqli_fetch_into_hash_aux(iterator->current_row, result, MYSQLI_ASSOC TSRMLS_CC);
  	if (Z_TYPE_P(iterator->current_row) == IS_ARRAY) {
  		iterator->row_num++;
  	}
  }
  /* }}} */
  
  
  /* {{{ */
  static void php_mysqli_result_iterator_rewind(zend_object_iterator *iter TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  	mysqli_object *intern = iterator->result;
  	MYSQL_RES	*result;
  
  	MYSQLI_FETCH_RESOURCE_BY_OBJ(result, MYSQL_RES *, intern, "mysqli_result", MYSQLI_STATUS_VALID);
  
  	if (mysqli_result_is_unbuffered(result)) {
  #if MYSQLI_USE_MYSQLND
  		if (result->unbuf->eof_reached) {
  #else
  		if (result->eof) {
  #endif
  			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Data fetched with MYSQLI_USE_RESULT can be iterated only once");
  			return;
  		}
  	} else {
  		mysql_data_seek(result, 0);
  	}
  	iterator->row_num = -1;
  	php_mysqli_result_iterator_move_forward(iter TSRMLS_CC);
  }
  /* }}} */
  
  
  /* {{{ php_mysqli_result_iterator_current_key */
  static void php_mysqli_result_iterator_current_key(zend_object_iterator *iter, zval *key TSRMLS_DC)
  {
  	php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
  
  	ZVAL_LONG(key, iterator->row_num);
  }
  /* }}} */
  
  
  /* {{{ php_mysqli_result_iterator_funcs */
  zend_object_iterator_funcs php_mysqli_result_iterator_funcs = {
  	php_mysqli_result_iterator_dtor,
  	php_mysqli_result_iterator_valid,
  	php_mysqli_result_iterator_current_data,
  	php_mysqli_result_iterator_current_key,
  	php_mysqli_result_iterator_move_forward,
  	php_mysqli_result_iterator_rewind,
  };
  /* }}} */
  
  
  /*
   * Local variables:
   * tab-width: 4
   * c-basic-offset: 4
   * End:
   * vim600: noet sw=4 ts=4 fdm=marker
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   */
  