79 lines
1.5 KiB
PHP
79 lines
1.5 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This file is part of the Propel package.
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*
|
|
* @license MIT License
|
|
*/
|
|
|
|
/**
|
|
* Pre-order node iterator for Node objects.
|
|
*
|
|
* @author Dave Lawson <dlawson@masterytech.com>
|
|
* @version $Revision: 1612 $
|
|
* @package propel.runtime.om
|
|
*/
|
|
class PreOrderNodeIterator implements Iterator
|
|
{
|
|
private $topNode = null;
|
|
|
|
private $curNode = null;
|
|
|
|
private $querydb = false;
|
|
|
|
private $con = null;
|
|
|
|
public function __construct($node, $opts) {
|
|
$this->topNode = $node;
|
|
$this->curNode = $node;
|
|
|
|
if (isset($opts['con']))
|
|
$this->con = $opts['con'];
|
|
|
|
if (isset($opts['querydb']))
|
|
$this->querydb = $opts['querydb'];
|
|
}
|
|
|
|
public function rewind() {
|
|
$this->curNode = $this->topNode;
|
|
}
|
|
|
|
public function valid() {
|
|
return ($this->curNode !== null);
|
|
}
|
|
|
|
public function current() {
|
|
return $this->curNode;
|
|
}
|
|
|
|
public function key() {
|
|
return $this->curNode->getNodePath();
|
|
}
|
|
|
|
public function next() {
|
|
|
|
if ($this->valid())
|
|
{
|
|
$nextNode = $this->curNode->getFirstChildNode($this->querydb, $this->con);
|
|
|
|
while ($nextNode === null)
|
|
{
|
|
if ($this->curNode === null || $this->curNode->equals($this->topNode))
|
|
break;
|
|
|
|
$nextNode = $this->curNode->getSiblingNode(false, $this->querydb, $this->con);
|
|
|
|
if ($nextNode === null)
|
|
$this->curNode = $this->curNode->getParentNode($this->querydb, $this->con);
|
|
}
|
|
|
|
$this->curNode = $nextNode;
|
|
}
|
|
|
|
return $this->curNode;
|
|
}
|
|
|
|
}
|