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|
/*
+----------------------------------------------------------------------+
| Copyright (c) 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> |
+----------------------------------------------------------------------+
*/
#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 const 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)
{
php_mysqli_result_iterator *iterator;
if (by_ref) {
zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
return NULL;
}
iterator = ecalloc(1, sizeof(php_mysqli_result_iterator));
zend_iterator_init(&iterator->intern);
Z_ADDREF_P(object);
ZVAL_OBJ(&iterator->intern.data, Z_OBJ_P(object));
iterator->intern.funcs = &php_mysqli_result_iterator_funcs;
iterator->result = Z_MYSQLI_P(object);
iterator->row_num = -1;
return &iterator->intern;
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_dtor(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*)iter;
/* cleanup handled in sxe_object_dtor as we don't always have an iterator wrapper */
zval_ptr_dtor(&iterator->intern.data);
zval_ptr_dtor(&iterator->current_row);
}
/* }}} */
/* {{{ */
static int php_mysqli_result_iterator_valid(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
return Z_TYPE(iterator->current_row) == IS_ARRAY ? SUCCESS : FAILURE;
}
/* }}} */
/* {{{ */
static zval *php_mysqli_result_iterator_current_data(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
return &iterator->current_row;
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_move_forward(zend_object_iterator *iter)
{
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);
zval_ptr_dtor(&iterator->current_row);
php_mysqli_fetch_into_hash_aux(&iterator->current_row, result, MYSQLI_ASSOC);
if (Z_TYPE(iterator->current_row) == IS_ARRAY) {
iterator->row_num++;
}
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_rewind(zend_object_iterator *iter)
{
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)) {
#ifdef MYSQLI_USE_MYSQLND
if (result->unbuf->eof_reached) {
#else
if (result->eof) {
#endif
php_error_docref(NULL, 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);
}
/* }}} */
/* {{{ php_mysqli_result_iterator_current_key */
static void php_mysqli_result_iterator_current_key(zend_object_iterator *iter, zval *key)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
ZVAL_LONG(key, iterator->row_num);
}
/* }}} */
/* {{{ php_mysqli_result_iterator_funcs */
const 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,
NULL,
NULL, /* get_gc */
};
/* }}} */
|
