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mysqlx_doc_result_iterator.cc
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| 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: Andrey Hristov <andrey@php.net> |
+----------------------------------------------------------------------+
*/
#include "php_api.h"
#include "mysqlnd_api.h"
extern "C" {
#include <zend_interfaces.h>
}
#include "xmysqlnd/xmysqlnd.h"
#include "xmysqlnd/xmysqlnd_stmt_result.h"
#include "xmysqlnd/xmysqlnd_utils.h"
#include "mysqlx_doc_result.h"
#include "mysqlx_object.h"
#include "mysqlx_class_properties.h"
#include "util/object.h"
namespace mysqlx {
namespace devapi {
using namespace drv;
struct st_mysqlx_doc_result_iterator : util::custom_allocable
{
zend_object_iterator intern;
XMYSQLND_STMT_RESULT * result;
util::zvalue current_row;
size_t row_num;
zend_bool started;
zend_bool usable;
};
static void
XMYSQLND_METHOD(mysqlx_doc_result_iterator, dtor)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = (st_mysqlx_doc_result_iterator*) iter;
DBG_ENTER("mysqlx_doc_result_iterator::dtor");
if (iterator->result) {
iterator->result->m.free_reference(iterator->result, nullptr, nullptr);
}
/* cleanup handled in sxe_object_dtor as we dont always have an iterator wrapper */
zval_ptr_dtor(&iterator->intern.data);
DBG_VOID_RETURN;
}
static int
XMYSQLND_METHOD(mysqlx_doc_result_iterator, valid)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = (st_mysqlx_doc_result_iterator*) iter;
DBG_ENTER("mysqlx_doc_result_iterator::valid");
DBG_INF_FMT("usable=%s started=%s row_num=%u", iterator->usable? "TRUE":"FALSE", iterator->started? "TRUE":"FALSE", iterator->row_num);
DBG_RETURN(iterator->usable? SUCCESS:FAILURE);
}
#include <ext/standard/php_var.h>
static util::raw_zval*
XMYSQLND_METHOD(mysqlx_doc_result_iterator, current_data)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = (st_mysqlx_doc_result_iterator*) iter;
DBG_ENTER("mysqlx_doc_result_iterator::current_data");
DBG_INF_FMT("usable=%s started=%s row_num=%u", iterator->usable? "TRUE":"FALSE", iterator->started? "TRUE":"FALSE", iterator->row_num);
DBG_RETURN((iterator->result && iterator->usable)? iterator->current_row.ptr() : nullptr);
}
static enum_func_status
XMYSQLND_METHOD(mysqlx_doc_result_iterator, fetch_current_data)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = reinterpret_cast<st_mysqlx_doc_result_iterator*>(iter);
DBG_ENTER("mysqlx_doc_result_iterator::fetch_current_data");
DBG_INF_FMT("usable=%s started=%s row_num=%u", iterator->usable? "TRUE":"FALSE", iterator->started? "TRUE":"FALSE", iterator->row_num);
if (iterator->result && iterator->usable) {
iterator->current_row.reset();
util::zvalue current_row;
if (PASS == iterator->result->m.fetch_current(iterator->result, current_row.ptr(), nullptr, nullptr) &&
current_row.is_array())
{
iterator->current_row = xmysqlnd_utils_decode_doc_row(current_row);
DBG_RETURN(PASS);
} else {
DBG_RETURN(FAIL);
}
}
DBG_RETURN(FAIL);
}
static void
XMYSQLND_METHOD(mysqlx_doc_result_iterator, next)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = (st_mysqlx_doc_result_iterator*) iter;
DBG_ENTER("mysqlx_doc_result_iterator::next");
DBG_INF_FMT("usable=%s started=%s row_num=%u", iterator->usable? "TRUE":"FALSE", iterator->started? "TRUE":"FALSE", iterator->row_num);
if (iterator->result && iterator->usable) {
if (PASS == iterator->result->m.next(iterator->result, nullptr, nullptr) &&
PASS == XMYSQLND_METHOD(mysqlx_doc_result_iterator, fetch_current_data)(iter))
{
iterator->row_num++;
} else {
iterator->usable = FALSE;
}
}
DBG_VOID_RETURN;
}
static void
XMYSQLND_METHOD(mysqlx_doc_result_iterator, rewind)(zend_object_iterator * iter)
{
st_mysqlx_doc_result_iterator* iterator = (st_mysqlx_doc_result_iterator*) iter;
DBG_ENTER("mysqlx_doc_result_iterator::rewind");
if (iterator->result && iterator->usable) {
iterator->started = FALSE;
iterator->row_num = 0;
if (PASS == iterator->result->m.rewind(iterator->result) &&
PASS == XMYSQLND_METHOD(mysqlx_doc_result_iterator, fetch_current_data)(iter))
{
iterator->usable = TRUE;
iterator->started = TRUE;
} else {
iterator->usable = FALSE;
}
// XMYSQLND_METHOD(mysqlx_doc_result_iterator, next)(iter);
DBG_INF_FMT("usable=%s started=%s row_num=%u", iterator->usable? "TRUE":"FALSE", iterator->started? "TRUE":"FALSE", iterator->row_num);
}
DBG_VOID_RETURN;
}
static zend_object_iterator_funcs mysqlx_doc_result_iterator_funcs =
{
XMYSQLND_METHOD(mysqlx_doc_result_iterator, dtor),
XMYSQLND_METHOD(mysqlx_doc_result_iterator, valid),
XMYSQLND_METHOD(mysqlx_doc_result_iterator, current_data),
nullptr, /* not provided, thus Zend will provide auto_inc keys */
XMYSQLND_METHOD(mysqlx_doc_result_iterator, next),
XMYSQLND_METHOD(mysqlx_doc_result_iterator, rewind),
};
static zend_object_iterator*
mysqlx_doc_result_create_iterator(zend_class_entry* ce, util::raw_zval* object, int by_ref)
{
DBG_ENTER("mysqlx_doc_result_create_iterator");
auto iterator = util::create_result_iterator<st_mysqlx_doc_result, st_mysqlx_doc_result_iterator>(
ce,
&mysqlx_doc_result_iterator_funcs,
object,
by_ref);
DBG_RETURN(iterator);
}
void
mysqlx_register_doc_result_iterator(zend_class_entry * ce)
{
ce->get_iterator = mysqlx_doc_result_create_iterator;
#if PHP_VERSION_ID < 70300
ce->iterator_funcs.funcs = &mysqlx_doc_result_iterator_funcs;
#endif
#if PHP_VERSION_ID < 80000
zend_class_implements(ce, 1, zend_ce_traversable);
#endif
}
} // namespace devapi
} // namespace mysqlx