web/Zend/Ldap/Node/ChildrenIterator.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Ldap/Node/ChildrenIterator.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,209 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Ldap
+ * @subpackage Node
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: ChildrenIterator.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Ldap_Node
+ */
+require_once 'Zend/Ldap/Node.php';
+
+/**
+ * Zend_Ldap_Node_ChildrenIterator provides an iterator to a collection of children nodes.
+ *
+ * @category   Zend
+ * @package    Zend_Ldap
+ * @subpackage Node
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Ldap_Node_ChildrenIterator implements Iterator, Countable, RecursiveIterator, ArrayAccess
+{
+    /**
+     * An array of Zend_Ldap_Node objects
+     *
+     * @var array
+     */
+    private $_data;
+
+    /**
+     * Constructor.
+     *
+     * @param  array $data
+     * @return void
+     */
+    public function __construct(array $data)
+    {
+        $this->_data = $data;
+    }
+
+    /**
+     * Returns the number of child nodes.
+     * Implements Countable
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->_data);
+    }
+
+    /**
+     * Return the current child.
+     * Implements Iterator
+     *
+     * @return Zend_Ldap_Node
+     */
+    public function current()
+    {
+        return current($this->_data);
+    }
+
+    /**
+     * Return the child'd RDN.
+     * Implements Iterator
+     *
+     * @return string
+     */
+    public function key()
+    {
+        return key($this->_data);
+    }
+
+    /**
+     * Move forward to next child.
+     * Implements Iterator
+     */
+    public function next()
+    {
+        next($this->_data);
+    }
+
+    /**
+     * Rewind the Iterator to the first child.
+     * Implements Iterator
+     */
+    public function rewind()
+    {
+        reset($this->_data);
+    }
+
+    /**
+     * Check if there is a current child
+     * after calls to rewind() or next().
+     * Implements Iterator
+     *
+     * @return boolean
+     */
+    public function valid()
+    {
+        return (current($this->_data)!==false);
+    }
+
+    /**
+     * Checks if current node has children.
+     * Returns whether the current element has children.
+     *
+     * @return boolean
+     */
+    public function hasChildren()
+    {
+        if ($this->current() instanceof Zend_Ldap_Node) {
+            return $this->current()->hasChildren();
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Returns the children for the current node.
+     *
+     * @return Zend_Ldap_Node_ChildrenIterator
+     */
+    public function getChildren()
+    {
+        if ($this->current() instanceof Zend_Ldap_Node) {
+            return $this->current()->getChildren();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Returns a child with a given RDN.
+     * Implements ArrayAccess.
+     *
+     * @param  string $rdn
+     * @return Zend_Ldap_node
+     */
+    public function offsetGet($rdn)
+    {
+        if ($this->offsetExists($rdn)) {
+            return $this->_data[$rdn];
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Checks whether a given rdn exists.
+     * Implements ArrayAccess.
+     *
+     * @param  string $rdn
+     * @return boolean
+     */
+    public function offsetExists($rdn)
+    {
+        return (array_key_exists($rdn, $this->_data));
+    }
+
+    /**
+     * Does nothing.
+     * Implements ArrayAccess.
+     *
+     * @param  string $name
+     * @return null
+     */
+    public function offsetUnset($name) { }
+
+    /**
+     * Does nothing.
+     * Implements ArrayAccess.
+     *
+     * @param  string $name
+     * @param  mixed $value
+     * @return null
+     */
+    public function offsetSet($name, $value) { }
+
+    /**
+     * Get all children as an array
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $data = array();
+        foreach ($this as $rdn => $node) {
+            $data[$rdn] = $node;
+        }
+        return $data;
+    }
+}
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