--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Controller/Action/Helper/ActionStack.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,138 @@
+<?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_Controller
+ * @subpackage Zend_Controller_Action_Helper
+ * @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: ActionStack.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Controller_Action_Helper_Abstract
+ */
+require_once 'Zend/Controller/Action/Helper/Abstract.php';
+
+/**
+ * Add to action stack
+ *
+ * @uses       Zend_Controller_Action_Helper_Abstract
+ * @category   Zend
+ * @package    Zend_Controller
+ * @subpackage Zend_Controller_Action_Helper
+ * @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_Controller_Action_Helper_ActionStack extends Zend_Controller_Action_Helper_Abstract
+{
+    /**
+     * @var Zend_Controller_Plugin_ActionStack
+     */
+    protected $_actionStack;
+
+    /**
+     * Constructor
+     *
+     * Register action stack plugin
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $front = Zend_Controller_Front::getInstance();
+        if (!$front->hasPlugin('Zend_Controller_Plugin_ActionStack')) {
+            /**
+             * @see Zend_Controller_Plugin_ActionStack
+             */
+            require_once 'Zend/Controller/Plugin/ActionStack.php';
+            $this->_actionStack = new Zend_Controller_Plugin_ActionStack();
+            $front->registerPlugin($this->_actionStack, 97);
+        } else {
+            $this->_actionStack = $front->getPlugin('Zend_Controller_Plugin_ActionStack');
+        }
+    }
+
+    /**
+     * Push onto the stack
+     *
+     * @param  Zend_Controller_Request_Abstract $next
+     * @return Zend_Controller_Action_Helper_ActionStack Provides a fluent interface
+     */
+    public function pushStack(Zend_Controller_Request_Abstract $next)
+    {
+        $this->_actionStack->pushStack($next);
+        return $this;
+    }
+
+    /**
+     * Push a new action onto the stack
+     *
+     * @param  string $action
+     * @param  string $controller
+     * @param  string $module
+     * @param  array  $params
+     * @throws Zend_Controller_Action_Exception
+     * @return Zend_Controller_Action_Helper_ActionStack
+     */
+    public function actionToStack($action, $controller = null, $module = null, array $params = array())
+    {
+        if ($action instanceof Zend_Controller_Request_Abstract) {
+            return $this->pushStack($action);
+        } elseif (!is_string($action)) {
+            /**
+             * @see Zend_Controller_Action_Exception
+             */
+            require_once 'Zend/Controller/Action/Exception.php';
+            throw new Zend_Controller_Action_Exception('ActionStack requires either a request object or minimally a string action');
+        }
+
+        $request = $this->getRequest();
+
+        if ($request instanceof Zend_Controller_Request_Abstract === false){
+            /**
+             * @see Zend_Controller_Action_Exception
+             */
+            require_once 'Zend/Controller/Action/Exception.php';
+            throw new Zend_Controller_Action_Exception('Request object not set yet');
+        }
+
+        $controller = (null === $controller) ? $request->getControllerName() : $controller;
+        $module = (null === $module) ? $request->getModuleName() : $module;
+
+        /**
+         * @see Zend_Controller_Request_Simple
+         */
+        require_once 'Zend/Controller/Request/Simple.php';
+        $newRequest = new Zend_Controller_Request_Simple($action, $controller, $module, $params);
+
+        return $this->pushStack($newRequest);
+    }
+
+    /**
+     * Perform helper when called as $this->_helper->actionStack() from an action controller
+     *
+     * Proxies to {@link simple()}
+     *
+     * @param  string $action
+     * @param  string $controller
+     * @param  string $module
+     * @param  array $params
+     * @return boolean
+     */
+    public function direct($action, $controller = null, $module = null, array $params = array())
+    {
+        return $this->actionToStack($action, $controller, $module, $params);
+    }
+}