--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Mail/Storage/Folder.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,236 @@
+<?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_Mail
+ * @subpackage Storage
+ * @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: Folder.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Storage
+ * @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_Mail_Storage_Folder implements RecursiveIterator
+{
+    /**
+     * subfolders of folder array(localName => Zend_Mail_Storage_Folder folder)
+     * @var array
+     */
+    protected $_folders;
+
+    /**
+     * local name (name of folder in parent folder)
+     * @var string
+     */
+    protected $_localName;
+
+    /**
+     * global name (absolute name of folder)
+     * @var string
+     */
+    protected $_globalName;
+
+    /**
+     * folder is selectable if folder is able to hold messages, else it's just a parent folder
+     * @var bool
+     */
+    protected $_selectable = true;
+
+    /**
+     * create a new mail folder instance
+     *
+     * @param string $localName  name of folder in current subdirectory
+     * @param string $globalName absolute name of folder
+     * @param bool   $selectable if true folder holds messages, if false it's just a parent for subfolders
+     * @param array  $folders    init with given instances of Zend_Mail_Storage_Folder as subfolders
+     */
+    public function __construct($localName, $globalName = '', $selectable = true, array $folders = array())
+    {
+        $this->_localName  = $localName;
+        $this->_globalName = $globalName ? $globalName : $localName;
+        $this->_selectable = $selectable;
+        $this->_folders    = $folders;
+    }
+
+    /**
+     * implements RecursiveIterator::hasChildren()
+     *
+     * @return bool current element has children
+     */
+    public function hasChildren()
+    {
+        $current = $this->current();
+        return $current && $current instanceof Zend_Mail_Storage_Folder && !$current->isLeaf();
+    }
+
+    /**
+     * implements RecursiveIterator::getChildren()
+     *
+     * @return Zend_Mail_Storage_Folder same as self::current()
+     */
+    public function getChildren()
+    {
+        return $this->current();
+    }
+
+    /**
+     * implements Iterator::valid()
+     *
+     * @return bool check if there's a current element
+     */
+    public function valid()
+    {
+        return key($this->_folders) !== null;
+    }
+
+    /**
+     * implements Iterator::next()
+     *
+     * @return null
+     */
+    public function next()
+    {
+        next($this->_folders);
+    }
+
+    /**
+     * implements Iterator::key()
+     *
+     * @return string key/local name of current element
+     */
+    public function key()
+    {
+        return key($this->_folders);
+    }
+
+    /**
+     * implements Iterator::current()
+     *
+     * @return Zend_Mail_Storage_Folder current folder
+     */
+    public function current()
+    {
+        return current($this->_folders);
+    }
+
+    /**
+     * implements Iterator::rewind()
+     *
+     * @return null
+     */
+    public function rewind()
+    {
+        reset($this->_folders);
+    }
+
+    /**
+     * get subfolder named $name
+     *
+     * @param  string $name wanted subfolder
+     * @return Zend_Mail_Storage_Folder folder named $folder
+     * @throws Zend_Mail_Storage_Exception
+     */
+    public function __get($name)
+    {
+        if (!isset($this->_folders[$name])) {
+            /**
+             * @see Zend_Mail_Storage_Exception
+             */
+            require_once 'Zend/Mail/Storage/Exception.php';
+            throw new Zend_Mail_Storage_Exception("no subfolder named $name");
+        }
+
+        return $this->_folders[$name];
+    }
+
+    /**
+     * add or replace subfolder named $name
+     *
+     * @param string $name local name of subfolder
+     * @param Zend_Mail_Storage_Folder $folder instance for new subfolder
+     * @return null
+     */
+    public function __set($name, Zend_Mail_Storage_Folder $folder)
+    {
+        $this->_folders[$name] = $folder;
+    }
+
+    /**
+     * remove subfolder named $name
+     *
+     * @param string $name local name of subfolder
+     * @return null
+     */
+    public function __unset($name)
+    {
+        unset($this->_folders[$name]);
+    }
+
+    /**
+     * magic method for easy output of global name
+     *
+     * @return string global name of folder
+     */
+    public function __toString()
+    {
+        return (string)$this->getGlobalName();
+    }
+
+    /**
+     * get local name
+     *
+     * @return string local name
+     */
+    public function getLocalName()
+    {
+        return $this->_localName;
+    }
+
+    /**
+     * get global name
+     *
+     * @return string global name
+     */
+    public function getGlobalName()
+    {
+        return $this->_globalName;
+    }
+
+    /**
+     * is this folder selectable?
+     *
+     * @return bool selectable
+     */
+    public function isSelectable()
+    {
+        return $this->_selectable;
+    }
+
+    /**
+     * check if folder has no subfolder
+     *
+     * @return bool true if no subfolders
+     */
+    public function isLeaf()
+    {
+        return empty($this->_folders);
+    }
+}