diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Feed/Writer/Extension/ITunes/Feed.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Writer/Extension/ITunes/Feed.php	Fri Mar 11 15:05:35 2011 +0100
@@ -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];
+    }
+}