update wrt Zend Framework 1.10.0; remove svn:eol-style property

git-svn-id: http://dev.piwik.org/svn/trunk@1813 59fd770c-687e-43c8-a1e3-f5a4ff64c105

13 files changed, 2116 insertions, 0 deletions

diff --git a/libs/Zend/Feed/Writer/Extension/Atom/Renderer/Feed.php b/libs/Zend/Feed/Writer/Extension/Atom/Renderer/Feed.php
new file mode 100644
index 0000000000..f23901d7e8
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/Atom/Renderer/Feed.php
@@ -0,0 +1,123 @@
+<?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_Feed_Writer
+ * @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: Feed.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_Atom_Renderer_Feed
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render feed
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        /**
+         * RSS 2.0 only. Used mainly to include Atom links and
+         * Pubsubhubbub Hub endpoint URIs under the Atom namespace
+         */
+        if (strtolower($this->getType()) == 'atom') {
+            return;
+        }
+        $this->_setFeedLinks($this->_dom, $this->_base);
+        $this->_setHubs($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to root element of feed
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:atom',
+            'http://www.w3.org/2005/Atom');  
+    }
+
+    /**
+     * Set feed link elements
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setFeedLinks(DOMDocument $dom, DOMElement $root)
+    {
+        $flinks = $this->getDataContainer()->getFeedLinks();
+        if(!$flinks || empty($flinks)) {
+            return;
+        }
+        foreach ($flinks as $type => $href) {
+            $mime  = 'application/' . strtolower($type) . '+xml';
+            $flink = $dom->createElement('atom:link');
+            $root->appendChild($flink);
+            $flink->setAttribute('rel', 'self');
+            $flink->setAttribute('type', $mime);
+            $flink->setAttribute('href', $href);
+        }
+        $this->_called = true;
+    }
+    
+    /**
+     * Set PuSH hubs
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setHubs(DOMDocument $dom, DOMElement $root)
+    {
+        $hubs = $this->getDataContainer()->getHubs();
+        if (!$hubs || empty($hubs)) {
+            return;
+        }
+        foreach ($hubs as $hubUrl) {
+            $hub = $dom->createElement('atom:link');
+            $hub->setAttribute('rel', 'hub');
+            $hub->setAttribute('href', $hubUrl);
+            $root->appendChild($hub);
+        }
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/Content/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/Content/Renderer/Entry.php
new file mode 100644
index 0000000000..7960f4cdf3
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/Content/Renderer/Entry.php
@@ -0,0 +1,92 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_Content_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'atom') {
+            return;
+        }
+        $this->_setContent($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to root element
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:content',
+            'http://purl.org/rss/1.0/modules/content/');  
+    }
+
+    /**
+     * Set entry content
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setContent(DOMDocument $dom, DOMElement $root)
+    {
+        $content = $this->getDataContainer()->getContent();
+        if (!$content) {
+            return;
+        }
+        $element = $dom->createElement('content:encoded');
+        $root->appendChild($element);
+        $cdata = $dom->createCDATASection($content);
+        $element->appendChild($cdata);
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Entry.php
new file mode 100644
index 0000000000..6a72277815
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Entry.php
@@ -0,0 +1,96 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_DublinCore_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'atom') {
+            return;
+        }
+        $this->_setAuthors($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to entry
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:dc',
+            'http://purl.org/dc/elements/1.1/');  
+    }
+
+    /**
+     * Set entry author elements
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setAuthors(DOMDocument $dom, DOMElement $root)
+    {
+        $authors = $this->getDataContainer()->getAuthors();
+        if (!$authors || empty($authors)) {
+            return;
+        }
+        foreach ($authors as $data) {
+            $author = $this->_dom->createElement('dc:creator');
+            if (array_key_exists('name', $data)) {
+                $text = $dom->createTextNode($data['name']);
+                $author->appendChild($text);
+                $root->appendChild($author);   
+            }
+        }
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Feed.php b/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Feed.php
new file mode 100644
index 0000000000..bfa4de49a1
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/DublinCore/Renderer/Feed.php
@@ -0,0 +1,96 @@
+<?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_Feed_Writer
+ * @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: Feed.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_DublinCore_Renderer_Feed
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render feed
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'atom') {
+            return;
+        }
+        $this->_setAuthors($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to feed element
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:dc',
+            'http://purl.org/dc/elements/1.1/');  
+    }
+
+    /**
+     * Set feed authors
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setAuthors(DOMDocument $dom, DOMElement $root)
+    {
+        $authors = $this->getDataContainer()->getAuthors();
+        if (!$authors || empty($authors)) {
+            return;
+        }
+        foreach ($authors as $data) {
+            $author = $this->_dom->createElement('dc:creator');
+            if (array_key_exists('name', $data)) {
+                $text = $dom->createTextNode($data['name']);
+                $author->appendChild($text);
+                $root->appendChild($author);  
+            }
+        }
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/ITunes/Entry.php b/libs/Zend/Feed/Writer/Extension/ITunes/Entry.php
new file mode 100644
index 0000000000..49eecb7132
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/ITunes/Entry.php
@@ -0,0 +1,242 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_ITunes_Entry
+{
+    /**
+     * Array of Feed data for rendering by Extension's renderers
+     *
+     * @var array
+     */
+    protected $_data = array();
+    
+    /**
+     * Encoding of all text values
+     *
+     * @var string
+     */
+    protected $_encoding = 'UTF-8';
+    
+    /**
+     * Set feed encoding
+     * 
+     * @param  string $enc 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setEncoding($enc)
+    {
+        $this->_encoding = $enc;
+        return $this;
+    }
+    
+    /**
+     * Get feed encoding
+     * 
+     * @return string
+     */
+    public function getEncoding()
+    {
+        return $this->_encoding;
+    }
+    
+    /**
+     * Set a block value of "yes" or "no". You may also set an empty string.
+     *
+     * @param  string
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesBlock($value)
+    {
+        if (!ctype_alpha($value) && strlen($value) > 0) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "block" may only'
+            . ' contain alphabetic characters');
+        }
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "block" may only'
+            . ' contain a maximum of 255 characters');
+        }
+        $this->_data['block'] = $value;
+    }
+    
+    /**
+     * Add authors to itunes entry
+     * 
+     * @param  array $values 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function addItunesAuthors(array $values)
+    {
+        foreach ($values as $value) {
+            $this->addItunesAuthor($value);
+        }
+        return $this;
+    }
+    
+    /**
+     * Add author to itunes entry
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function addItunesAuthor($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: any "author" may only'
+            . ' contain a maximum of 255 characters each');
+        }
+        if (!isset($this->_data['authors'])) {
+            $this->_data['authors'] = array();
+        }
+        $this->_data['authors'][] = $value;   
+        return $this;
+    }
+    
+    /**
+     * Set duration
+     * 
+     * @param  int $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesDuration($value)
+    {
+        $value = (string) $value;
+        if (!ctype_digit($value)
+            && !preg_match("/^\d+:[0-5]{1}[0-9]{1}$/", $value)
+            && !preg_match("/^\d+:[0-5]{1}[0-9]{1}:[0-5]{1}[0-9]{1}$/", $value)
+        ) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "duration" may only'
+            . ' be of a specified [[HH:]MM:]SS format');
+        }
+        $this->_data['duration'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set "explicit" flag
+     * 
+     * @param  bool $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesExplicit($value)
+    {
+        if (!in_array($value, array('yes','no','clean'))) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "explicit" may only'
+            . ' be one of "yes", "no" or "clean"');
+        }
+        $this->_data['explicit'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set keywords
+     * 
+     * @param  array $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesKeywords(array $value)
+    {
+        if (count($value) > 12) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "keywords" may only'
+            . ' contain a maximum of 12 terms');
+        }
+        $concat = implode(',', $value);
+        if (iconv_strlen($concat, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "keywords" may only'
+            . ' have a concatenated length of 255 chars where terms are delimited'
+            . ' by a comma');
+        }
+        $this->_data['keywords'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set subtitle
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesSubtitle($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "subtitle" may only'
+            . ' contain a maximum of 255 characters');
+        }
+        $this->_data['subtitle'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set summary
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Entry
+     */
+    public function setItunesSummary($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 4000) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "summary" may only'
+            . ' contain a maximum of 4000 characters');
+        }
+        $this->_data['summary'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Overloading to itunes specific setters
+     * 
+     * @param  string $method 
+     * @param  array $params 
+     * @return mixed
+     */
+    public function __call($method, array $params)
+    {
+        $point = Zend_Feed_Writer::lcfirst(substr($method, 9));
+        if (!method_exists($this, 'setItunes' . ucfirst($point))
+            && !method_exists($this, 'addItunes' . ucfirst($point))
+        ) {
+            require_once 'Zend/Feed/Writer/Exception/InvalidMethodException.php';
+            throw new Zend_Feed_Writer_Exception_InvalidMethodException(
+                'invalid method: ' . $method
+            );
+        }
+        if (!array_key_exists($point, $this->_data) 
+            || empty($this->_data[$point])
+        ) {
+            return null;
+        }
+        return $this->_data[$point];
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/ITunes/Feed.php b/libs/Zend/Feed/Writer/Extension/ITunes/Feed.php
new file mode 100644
index 0000000000..565fdc5c78
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/ITunes/Feed.php
@@ -0,0 +1,361 @@
+<?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_Feed_Writer
+ * @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: Feed.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_ITunes_Feed
+{
+    /**
+     * Array of Feed data for rendering by Extension's renderers
+     *
+     * @var array
+     */
+    protected $_data = array();
+    
+    /**
+     * Encoding of all text values
+     *
+     * @var string
+     */
+    protected $_encoding = 'UTF-8';
+    
+    /**
+     * Set feed encoding
+     * 
+     * @param  string $enc 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setEncoding($enc)
+    {
+        $this->_encoding = $enc;
+        return $this;
+    }
+    
+    /**
+     * Get feed encoding
+     * 
+     * @return string
+     */
+    public function getEncoding()
+    {
+        return $this->_encoding;
+    }
+    
+    /**
+     * Set a block value of "yes" or "no". You may also set an empty string.
+     *
+     * @param  string
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesBlock($value)
+    {
+        if (!ctype_alpha($value) && strlen($value) > 0) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "block" may only'
+            . ' contain alphabetic characters');
+        }
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "block" may only'
+            . ' contain a maximum of 255 characters');
+        }
+        $this->_data['block'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Add feed authors
+     * 
+     * @param  array $values 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function addItunesAuthors(array $values)
+    {
+        foreach ($values as $value) {
+            $this->addItunesAuthor($value);
+        }
+        return $this;
+    }
+    
+    /**
+     * Add feed author
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function addItunesAuthor($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: any "author" may only'
+            . ' contain a maximum of 255 characters each');
+        }
+        if (!isset($this->_data['authors'])) {
+            $this->_data['authors'] = array();
+        }
+        $this->_data['authors'][] = $value;   
+        return $this;
+    }
+    
+    /**
+     * Set feed categories
+     * 
+     * @param  array $values 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesCategories(array $values)
+    {
+        if (!isset($this->_data['categories'])) {
+            $this->_data['categories'] = array();
+        }
+        foreach ($values as $key=>$value) {
+            if (!is_array($value)) {
+                if (iconv_strlen($value, $this->getEncoding()) > 255) {
+                    require_once 'Zend/Feed/Exception.php';
+                    throw new Zend_Feed_Exception('invalid parameter: any "category" may only'
+                    . ' contain a maximum of 255 characters each');
+                }
+                $this->_data['categories'][] = $value;
+            } else {
+                if (iconv_strlen($key, $this->getEncoding()) > 255) {
+                    require_once 'Zend/Feed/Exception.php';
+                    throw new Zend_Feed_Exception('invalid parameter: any "category" may only'
+                    . ' contain a maximum of 255 characters each');
+                }
+                $this->_data['categories'][$key] = array();
+                foreach ($value as $val) {
+                    if (iconv_strlen($val, $this->getEncoding()) > 255) {
+                        require_once 'Zend/Feed/Exception.php';
+                        throw new Zend_Feed_Exception('invalid parameter: any "category" may only'
+                        . ' contain a maximum of 255 characters each');
+                    }
+                    $this->_data['categories'][$key][] = $val;
+                } 
+            }
+        }
+        return $this;
+    }
+    
+    /**
+     * Set feed image (icon)
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesImage($value)
+    {
+        if (!Zend_Uri::check($value)) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "image" may only'
+            . ' be a valid URI/IRI');
+        }
+        if (!in_array(substr($value, -3), array('jpg','png'))) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "image" may only'
+            . ' use file extension "jpg" or "png" which must be the last three'
+            . ' characters of the URI (i.e. no query string or fragment)');
+        }
+        $this->_data['image'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set feed cumulative duration
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesDuration($value)
+    {
+        $value = (string) $value;
+        if (!ctype_digit($value)
+            && !preg_match("/^\d+:[0-5]{1}[0-9]{1}$/", $value)
+            && !preg_match("/^\d+:[0-5]{1}[0-9]{1}:[0-5]{1}[0-9]{1}$/", $value)
+        ) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "duration" may only'
+            . ' be of a specified [[HH:]MM:]SS format');
+        }
+        $this->_data['duration'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set "explicit" flag
+     * 
+     * @param  bool $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesExplicit($value)
+    {
+        if (!in_array($value, array('yes','no','clean'))) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "explicit" may only'
+            . ' be one of "yes", "no" or "clean"');
+        }
+        $this->_data['explicit'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set feed keywords
+     * 
+     * @param  array $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesKeywords(array $value)
+    {
+        if (count($value) > 12) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "keywords" may only'
+            . ' contain a maximum of 12 terms');
+        }
+        $concat = implode(',', $value);
+        if (iconv_strlen($concat, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "keywords" may only'
+            . ' have a concatenated length of 255 chars where terms are delimited'
+            . ' by a comma');
+        }
+        $this->_data['keywords'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set new feed URL
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesNewFeedUrl($value)
+    {
+        if (!Zend_Uri::check($value)) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "newFeedUrl" may only'
+            . ' be a valid URI/IRI');
+        }
+        $this->_data['newFeedUrl'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Add feed owners
+     * 
+     * @param  array $values 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function addItunesOwners(array $values)
+    {
+        foreach ($values as $value) {
+            $this->addItunesOwner($value); 
+        }
+        return $this;
+    }
+    
+    /**
+     * Add feed owner
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function addItunesOwner(array $value)
+    {
+        if (!isset($value['name']) || !isset($value['email'])) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: any "owner" must'
+            . ' be an array containing keys "name" and "email"');
+        }
+        if (iconv_strlen($value['name'], $this->getEncoding()) > 255
+            || iconv_strlen($value['email'], $this->getEncoding()) > 255
+        ) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: any "owner" may only'
+            . ' contain a maximum of 255 characters each for "name" and "email"');
+        }
+        if (!isset($this->_data['owners'])) {
+            $this->_data['owners'] = array();
+        }
+        $this->_data['owners'][] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set feed subtitle
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesSubtitle($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 255) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "subtitle" may only'
+            . ' contain a maximum of 255 characters');
+        }
+        $this->_data['subtitle'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Set feed summary
+     * 
+     * @param  string $value 
+     * @return Zend_Feed_Writer_Extension_ITunes_Feed
+     */
+    public function setItunesSummary($value)
+    {
+        if (iconv_strlen($value, $this->getEncoding()) > 4000) {
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception('invalid parameter: "summary" may only'
+            . ' contain a maximum of 4000 characters');
+        }
+        $this->_data['summary'] = $value;
+        return $this;
+    }
+    
+    /**
+     * Overloading: proxy to internal setters
+     * 
+     * @param  string $method 
+     * @param  array $params 
+     * @return mixed
+     */
+    public function __call($method, array $params)
+    {
+        $point = Zend_Feed_Writer::lcfirst(substr($method, 9));
+        if (!method_exists($this, 'setItunes' . ucfirst($point))
+            && !method_exists($this, 'addItunes' . ucfirst($point))
+        ) {
+            require_once 'Zend/Feed/Writer/Exception/InvalidMethodException.php';
+            throw new Zend_Feed_Writer_Exception_InvalidMethodException(
+                'invalid method: ' . $method
+            );
+        }
+        if (!array_key_exists($point, $this->_data) || empty($this->_data[$point])) {
+            return null;
+        }
+        return $this->_data[$point];
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Entry.php
new file mode 100644
index 0000000000..fc6b98d3ad
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Entry.php
@@ -0,0 +1,216 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_ITunes_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        $this->_setAuthors($this->_dom, $this->_base);
+        $this->_setBlock($this->_dom, $this->_base);
+        $this->_setDuration($this->_dom, $this->_base);
+        $this->_setExplicit($this->_dom, $this->_base);
+        $this->_setKeywords($this->_dom, $this->_base);
+        $this->_setSubtitle($this->_dom, $this->_base);
+        $this->_setSummary($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append namespaces to entry root
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:itunes',
+            'http://www.itunes.com/dtds/podcast-1.0.dtd');  
+    }
+
+    /**
+     * Set entry authors
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setAuthors(DOMDocument $dom, DOMElement $root)
+    {
+        $authors = $this->getDataContainer()->getItunesAuthors();
+        if (!$authors || empty($authors)) {
+            return;
+        }
+        foreach ($authors as $author) {
+            $el = $dom->createElement('itunes:author');
+            $text = $dom->createTextNode($author);
+            $el->appendChild($text);
+            $root->appendChild($el);
+            $this->_called = true;
+        }
+    }
+    
+    /**
+     * Set itunes block
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setBlock(DOMDocument $dom, DOMElement $root)
+    {
+        $block = $this->getDataContainer()->getItunesBlock();
+        if (is_null($block)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:block');
+        $text = $dom->createTextNode($block);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set entry duration
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setDuration(DOMDocument $dom, DOMElement $root)
+    {
+        $duration = $this->getDataContainer()->getItunesDuration();
+        if (!$duration) {
+            return;
+        }
+        $el = $dom->createElement('itunes:duration');
+        $text = $dom->createTextNode($duration);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set explicit flag
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setExplicit(DOMDocument $dom, DOMElement $root)
+    {
+        $explicit = $this->getDataContainer()->getItunesExplicit();
+        if (is_null($explicit)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:explicit');
+        $text = $dom->createTextNode($explicit);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set entry keywords
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setKeywords(DOMDocument $dom, DOMElement $root)
+    {
+        $keywords = $this->getDataContainer()->getItunesKeywords();
+        if (!$keywords || empty($keywords)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:keywords');
+        $text = $dom->createTextNode(implode(',', $keywords));
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set entry subtitle
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setSubtitle(DOMDocument $dom, DOMElement $root)
+    {
+        $subtitle = $this->getDataContainer()->getItunesSubtitle();
+        if (!$subtitle) {
+            return;
+        }
+        $el = $dom->createElement('itunes:subtitle');
+        $text = $dom->createTextNode($subtitle);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set entry summary
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setSummary(DOMDocument $dom, DOMElement $root)
+    {
+        $summary = $this->getDataContainer()->getItunesSummary();
+        if (!$summary) {
+            return;
+        }
+        $el = $dom->createElement('itunes:summary');
+        $text = $dom->createTextNode($summary);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Feed.php b/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Feed.php
new file mode 100644
index 0000000000..1fafdaa13e
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/ITunes/Renderer/Feed.php
@@ -0,0 +1,320 @@
+<?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_Feed_Writer
+ * @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: Feed.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_ITunes_Renderer_Feed
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+    
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render feed
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        $this->_setAuthors($this->_dom, $this->_base);
+        $this->_setBlock($this->_dom, $this->_base);
+        $this->_setCategories($this->_dom, $this->_base);
+        $this->_setImage($this->_dom, $this->_base);
+        $this->_setDuration($this->_dom, $this->_base);
+        $this->_setExplicit($this->_dom, $this->_base);
+        $this->_setKeywords($this->_dom, $this->_base);
+        $this->_setNewFeedUrl($this->_dom, $this->_base);
+        $this->_setOwners($this->_dom, $this->_base);
+        $this->_setSubtitle($this->_dom, $this->_base);
+        $this->_setSummary($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append feed namespaces
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:itunes',
+            'http://www.itunes.com/dtds/podcast-1.0.dtd');  
+    }
+
+    /**
+     * Set feed authors
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setAuthors(DOMDocument $dom, DOMElement $root)
+    {
+        $authors = $this->getDataContainer()->getItunesAuthors();
+        if (!$authors || empty($authors)) {
+            return;
+        }
+        foreach ($authors as $author) {
+            $el = $dom->createElement('itunes:author');
+            $text = $dom->createTextNode($author);
+            $el->appendChild($text);
+            $root->appendChild($el);
+        }
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed itunes block
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setBlock(DOMDocument $dom, DOMElement $root)
+    {
+        $block = $this->getDataContainer()->getItunesBlock();
+        if (is_null($block)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:block');
+        $text = $dom->createTextNode($block);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed categories
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCategories(DOMDocument $dom, DOMElement $root)
+    {
+        $cats = $this->getDataContainer()->getItunesCategories();
+        if (!$cats || empty($cats)) {
+            return;
+        }
+        foreach ($cats as $key=>$cat) {
+            if (!is_array($cat)) {
+                $el = $dom->createElement('itunes:category');
+                $el->setAttribute('text', $cat);
+                $root->appendChild($el);
+            } else {
+                $el = $dom->createElement('itunes:category');
+                $el->setAttribute('text', $key);
+                $root->appendChild($el);
+                foreach ($cat as $subcat) {
+                    $el2 = $dom->createElement('itunes:category');
+                    $el2->setAttribute('text', $subcat);
+                    $el->appendChild($el2);
+                }
+            }
+        }
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed image (icon)
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setImage(DOMDocument $dom, DOMElement $root)
+    {
+        $image = $this->getDataContainer()->getItunesImage();
+        if (!$image) {
+            return;
+        }
+        $el = $dom->createElement('itunes:image');
+        $el->setAttribute('href', $image);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed cumulative duration
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setDuration(DOMDocument $dom, DOMElement $root)
+    {
+        $duration = $this->getDataContainer()->getItunesDuration();
+        if (!$duration) {
+            return;
+        }
+        $el = $dom->createElement('itunes:duration');
+        $text = $dom->createTextNode($duration);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set explicit flag
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setExplicit(DOMDocument $dom, DOMElement $root)
+    {
+        $explicit = $this->getDataContainer()->getItunesExplicit();
+        if (is_null($explicit)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:explicit');
+        $text = $dom->createTextNode($explicit);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed keywords
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setKeywords(DOMDocument $dom, DOMElement $root)
+    {
+        $keywords = $this->getDataContainer()->getItunesKeywords();
+        if (!$keywords || empty($keywords)) {
+            return;
+        }
+        $el = $dom->createElement('itunes:keywords');
+        $text = $dom->createTextNode(implode(',', $keywords));
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed's new URL
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setNewFeedUrl(DOMDocument $dom, DOMElement $root)
+    {
+        $url = $this->getDataContainer()->getItunesNewFeedUrl();
+        if (!$url) {
+            return;
+        }
+        $el = $dom->createElement('itunes:new-feed-url');
+        $text = $dom->createTextNode($url);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed owners 
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setOwners(DOMDocument $dom, DOMElement $root)
+    {
+        $owners = $this->getDataContainer()->getItunesOwners();
+        if (!$owners || empty($owners)) {
+            return;
+        }
+        foreach ($owners as $owner) {
+            $el = $dom->createElement('itunes:owner');
+            $name = $dom->createElement('itunes:name');
+            $text = $dom->createTextNode($owner['name']);
+            $name->appendChild($text);
+            $email = $dom->createElement('itunes:email');
+            $text = $dom->createTextNode($owner['email']);
+            $email->appendChild($text);
+            $root->appendChild($el);
+            $el->appendChild($name);
+            $el->appendChild($email);
+        }
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed subtitle
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setSubtitle(DOMDocument $dom, DOMElement $root)
+    {
+        $subtitle = $this->getDataContainer()->getItunesSubtitle();
+        if (!$subtitle) {
+            return;
+        }
+        $el = $dom->createElement('itunes:subtitle');
+        $text = $dom->createTextNode($subtitle);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set feed summary
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setSummary(DOMDocument $dom, DOMElement $root)
+    {
+        $summary = $this->getDataContainer()->getItunesSummary();
+        if (!$summary) {
+            return;
+        }
+        $el = $dom->createElement('itunes:summary');
+        $text = $dom->createTextNode($summary);
+        $el->appendChild($text);
+        $root->appendChild($el);
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/RendererAbstract.php b/libs/Zend/Feed/Writer/Extension/RendererAbstract.php
new file mode 100644
index 0000000000..9a0f93dfeb
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/RendererAbstract.php
@@ -0,0 +1,179 @@
+<?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 padraic dot brady at yahoo dot com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Writer_Entry_Rss
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererInterface
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererInterface.php';
+ 
+ /**
+ * @category   Zend
+ * @package    Zend_Feed_Writer_Entry_Rss
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Feed_Writer_Extension_RendererAbstract
+    implements Zend_Feed_Writer_Extension_RendererInterface
+{
+    /**
+     * @var DOMDocument
+     */
+    protected $_dom = null;
+    
+    /**
+     * @var mixed
+     */
+    protected $_entry = null;
+    
+    /**
+     * @var DOMElement
+     */
+    protected $_base = null;
+    
+    /**
+     * @var mixed
+     */
+    protected $_container = null;
+    
+    /**
+     * @var string
+     */
+    protected $_type = null;
+    
+    /**
+     * @var DOMElement
+     */
+    protected $_rootElement = null;
+    
+    /**
+     * Encoding of all text values
+     *
+     * @var string
+     */
+    protected $_encoding = 'UTF-8';
+
+    /**
+     * Constructor
+     * 
+     * @param  mixed $container 
+     * @return void
+     */
+    public function __construct($container)
+    {
+        $this->_container = $container;
+    }
+    
+    /**
+     * Set feed encoding
+     * 
+     * @param  string $enc 
+     * @return Zend_Feed_Writer_Extension_RendererAbstract
+     */
+    public function setEncoding($enc)
+    {
+        $this->_encoding = $enc;
+        return $this;
+    }
+    
+    /**
+     * Get feed encoding
+     * 
+     * @return void
+     */
+    public function getEncoding()
+    {
+        return $this->_encoding;
+    }
+    
+    /**
+     * Set DOMDocument and DOMElement on which to operate
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $base 
+     * @return Zend_Feed_Writer_Extension_RendererAbstract
+     */
+    public function setDomDocument(DOMDocument $dom, DOMElement $base)
+    {
+        $this->_dom  = $dom;
+        $this->_base = $base;
+        return $this;
+    }
+    
+    /**
+     * Get data container being rendered
+     * 
+     * @return mixed
+     */
+    public function getDataContainer()
+    {
+        return $this->_container;
+    }
+    
+    /**
+     * Set feed type
+     * 
+     * @param  string $type 
+     * @return Zend_Feed_Writer_Extension_RendererAbstract
+     */
+    public function setType($type)
+    {
+        $this->_type = $type;
+        return $this;
+    }
+    
+    /**
+     * Get feedtype
+     * 
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->_type;
+    }
+    
+    /**
+     * Set root element of document 
+     * 
+     * @param  DOMElement $root 
+     * @return Zend_Feed_Writer_Extension_RendererAbstract
+     */
+    public function setRootElement(DOMElement $root)
+    {
+        $this->_rootElement = $root;
+        return $this;
+    }
+    
+    /**
+     * Get root element
+     * 
+     * @return DOMElement
+     */
+    public function getRootElement()
+    {
+        return $this->_rootElement;
+    }
+    
+    /**
+     * Append namespaces to feed
+     * 
+     * @return void
+     */
+    abstract protected function _appendNamespaces();
+}
diff --git a/libs/Zend/Feed/Writer/Extension/RendererInterface.php b/libs/Zend/Feed/Writer/Extension/RendererInterface.php
new file mode 100644
index 0000000000..e9c9014176
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/RendererInterface.php
@@ -0,0 +1,59 @@
+<?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 padraic dot brady at yahoo dot com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Feed_Writer_Extension_RendererInterface
+{
+    /**
+     * Constructor
+     *
+     * @param  mixed $container 
+     * @return void
+     */
+    public function __construct($container);
+    
+    /**
+     * Set DOMDocument and DOMElement on which to operate
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $base 
+     * @return void
+     */
+    public function setDomDocument(DOMDocument $dom, DOMElement $base);
+    
+    /**
+     * Render
+     * 
+     * @return void
+     */
+    public function render();
+    
+    /**
+     * Retrieve container
+     * 
+     * @return mixed
+     */
+    public function getDataContainer();
+}
diff --git a/libs/Zend/Feed/Writer/Extension/Slash/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/Slash/Renderer/Entry.php
new file mode 100644
index 0000000000..aae81fbbd4
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/Slash/Renderer/Entry.php
@@ -0,0 +1,91 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_Slash_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'atom') {
+            return; // RSS 2.0 only
+        }
+        $this->_setCommentCount($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append entry namespaces
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:slash',
+            'http://purl.org/rss/1.0/modules/slash/');  
+    }
+
+    /**
+     * Set entry comment count
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentCount(DOMDocument $dom, DOMElement $root)
+    {
+        $count = $this->getDataContainer()->getCommentCount();
+        if (!$count) {
+            $count = 0;
+        }
+        $tcount = $this->_dom->createElement('slash:comments');
+        $tcount->nodeValue = $count;
+        $root->appendChild($tcount);
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/Threading/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/Threading/Renderer/Entry.php
new file mode 100644
index 0000000000..1900ec459f
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/Threading/Renderer/Entry.php
@@ -0,0 +1,145 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_Threading_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'rss') {
+            return; // Atom 1.0 only
+        }
+        $this->_setCommentLink($this->_dom, $this->_base);
+        $this->_setCommentFeedLinks($this->_dom, $this->_base);
+        $this->_setCommentCount($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append entry namespaces
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:thr',
+            'http://purl.org/syndication/thread/1.0');  
+    }
+    
+    /**
+     * Set comment link
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentLink(DOMDocument $dom, DOMElement $root)
+    {
+        $link = $this->getDataContainer()->getCommentLink();
+        if (!$link) {
+            return;
+        }
+        $clink = $this->_dom->createElement('link');
+        $clink->setAttribute('rel', 'replies');
+        $clink->setAttribute('type', 'text/html');
+        $clink->setAttribute('href', $link);
+        $count = $this->getDataContainer()->getCommentCount();
+        if (!is_null($count)) {
+            $clink->setAttribute('thr:count', $count);
+        }
+        $root->appendChild($clink);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set comment feed links
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)
+    {
+        $links = $this->getDataContainer()->getCommentFeedLinks();
+        if (!$links || empty($links)) {
+            return;
+        }
+        foreach ($links as $link) {
+            $flink = $this->_dom->createElement('link');
+            $flink->setAttribute('rel', 'replies');
+            $flink->setAttribute('type', 'application/'. $link['type'] .'+xml');
+            $flink->setAttribute('href', $link['uri']);
+            $count = $this->getDataContainer()->getCommentCount();
+            if (!is_null($count)) {
+                $flink->setAttribute('thr:count', $count);
+            }
+            $root->appendChild($flink);
+            $this->_called = true;
+        }
+    }
+
+    /**
+     * Set entry comment count
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentCount(DOMDocument $dom, DOMElement $root)
+    {
+        $count = $this->getDataContainer()->getCommentCount();
+        if (is_null($count)) {
+            return;
+        }
+        $tcount = $this->_dom->createElement('thr:total');
+        $tcount->nodeValue = $count;
+        $root->appendChild($tcount);
+        $this->_called = true;
+    }
+}
diff --git a/libs/Zend/Feed/Writer/Extension/WellFormedWeb/Renderer/Entry.php b/libs/Zend/Feed/Writer/Extension/WellFormedWeb/Renderer/Entry.php
new file mode 100644
index 0000000000..d6a17454d9
--- /dev/null
+++ b/libs/Zend/Feed/Writer/Extension/WellFormedWeb/Renderer/Entry.php
@@ -0,0 +1,96 @@
+<?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_Feed_Writer
+ * @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: Entry.php 20326 2010-01-16 00:20:43Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @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_Feed_Writer_Extension_WellFormedWeb_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'atom') {
+            return; // RSS 2.0 only
+        }
+        $this->_setCommentFeedLinks($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append entry namespaces
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:wfw',
+            'http://wellformedweb.org/CommentAPI/');  
+    }
+    
+    /**
+     * Set entry comment feed links
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)
+    {
+        $links = $this->getDataContainer()->getCommentFeedLinks();
+        if (!$links || empty($links)) {
+            return;
+        }
+        foreach ($links as $link) {
+            if ($link['type'] == 'rss') {
+                $flink = $this->_dom->createElement('wfw:commentRss');
+                $text = $dom->createTextNode($link['uri']);
+                $flink->appendChild($text);
+                $root->appendChild($flink);
+            }
+        }
+        $this->_called = true;
+    }
+}