adding zend project folders into old campcaster.

library/propel/runtime/lib/om/PreOrderNodeIterator.php

@@ -0,0 +1,78 @@
+<?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;
+	}
+
+}