--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Rss.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,529 @@
+<?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
+ * @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: Rss.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Feed_Abstract
+ */
+require_once 'Zend/Feed/Abstract.php';
+
+/**
+ * @see Zend_Feed_Entry_Rss
+ */
+require_once 'Zend/Feed/Entry/Rss.php';
+
+
+/**
+ * RSS channel class
+ *
+ * The Zend_Feed_Rss class is a concrete subclass of
+ * Zend_Feed_Abstract meant for representing RSS channels. It does not
+ * add any methods to its parent, just provides a classname to check
+ * against with the instanceof operator, and expects to be handling
+ * RSS-formatted data instead of Atom.
+ *
+ * @category Zend
+ * @package Zend_Feed
+ * @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_Rss extends Zend_Feed_Abstract
+{
+ /**
+ * The classname for individual channel elements.
+ *
+ * @var string
+ */
+ protected $_entryClassName = 'Zend_Feed_Entry_Rss';
+
+ /**
+ * The element name for individual channel elements (RSS <item>s).
+ *
+ * @var string
+ */
+ protected $_entryElementName = 'item';
+
+ /**
+ * The default namespace for RSS channels.
+ *
+ * @var string
+ */
+ protected $_defaultNamespace = 'rss';
+
+ /**
+ * Override Zend_Feed_Abstract to set up the $_element and $_entries aliases.
+ *
+ * @return void
+ * @throws Zend_Feed_Exception
+ */
+ public function __wakeup()
+ {
+ parent::__wakeup();
+
+ // Find the base channel element and create an alias to it.
+ $rdfTags = $this->_element->getElementsByTagNameNS('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'RDF');
+ if ($rdfTags->length != 0) {
+ $this->_element = $rdfTags->item(0);
+ } else {
+ $this->_element = $this->_element->getElementsByTagName('channel')->item(0);
+ }
+ if (!$this->_element) {
+ /**
+ * @see Zend_Feed_Exception
+ */
+ require_once 'Zend/Feed/Exception.php';
+ throw new Zend_Feed_Exception('No root <channel> element found, cannot parse channel.');
+ }
+
+ // Find the entries and save a pointer to them for speed and
+ // simplicity.
+ $this->_buildEntryCache();
+ }
+
+
+ /**
+ * Make accessing some individual elements of the channel easier.
+ *
+ * Special accessors 'item' and 'items' are provided so that if
+ * you wish to iterate over an RSS channel's items, you can do so
+ * using foreach ($channel->items as $item) or foreach
+ * ($channel->item as $item).
+ *
+ * @param string $var The property to access.
+ * @return mixed
+ */
+ public function __get($var)
+ {
+ switch ($var) {
+ case 'item':
+ // fall through to the next case
+ case 'items':
+ return $this;
+
+ default:
+ return parent::__get($var);
+ }
+ }
+
+ /**
+ * Generate the header of the feed when working in write mode
+ *
+ * @param array $array the data to use
+ * @return DOMElement root node
+ */
+ protected function _mapFeedHeaders($array)
+ {
+ $channel = $this->_element->createElement('channel');
+
+ $title = $this->_element->createElement('title');
+ $title->appendChild($this->_element->createCDATASection($array->title));
+ $channel->appendChild($title);
+
+ $link = $this->_element->createElement('link', $array->link);
+ $channel->appendChild($link);
+
+ $desc = isset($array->description) ? $array->description : '';
+ $description = $this->_element->createElement('description');
+ $description->appendChild($this->_element->createCDATASection($desc));
+ $channel->appendChild($description);
+
+ $pubdate = isset($array->lastUpdate) ? $array->lastUpdate : time();
+ $pubdate = $this->_element->createElement('pubDate', date(DATE_RSS, $pubdate));
+ $channel->appendChild($pubdate);
+
+ if (isset($array->published)) {
+ $lastBuildDate = $this->_element->createElement('lastBuildDate', date(DATE_RSS, $array->published));
+ $channel->appendChild($lastBuildDate);
+ }
+
+ $editor = '';
+ if (!empty($array->email)) {
+ $editor .= $array->email;
+ }
+ if (!empty($array->author)) {
+ $editor .= ' (' . $array->author . ')';
+ }
+ if (!empty($editor)) {
+ $author = $this->_element->createElement('managingEditor', ltrim($editor));
+ $channel->appendChild($author);
+ }
+ if (isset($array->webmaster)) {
+ $channel->appendChild($this->_element->createElement('webMaster', $array->webmaster));
+ }
+
+ if (!empty($array->copyright)) {
+ $copyright = $this->_element->createElement('copyright', $array->copyright);
+ $channel->appendChild($copyright);
+ }
+
+ if (isset($array->category)) {
+ $category = $this->_element->createElement('category', $array->category);
+ $channel->appendChild($category);
+ }
+
+ if (!empty($array->image)) {
+ $image = $this->_element->createElement('image');
+ $url = $this->_element->createElement('url', $array->image);
+ $image->appendChild($url);
+ $imagetitle = $this->_element->createElement('title');
+ $imagetitle->appendChild($this->_element->createCDATASection($array->title));
+ $image->appendChild($imagetitle);
+ $imagelink = $this->_element->createElement('link', $array->link);
+ $image->appendChild($imagelink);
+
+ $channel->appendChild($image);
+ }
+
+ $generator = !empty($array->generator) ? $array->generator : 'Zend_Feed';
+ $generator = $this->_element->createElement('generator', $generator);
+ $channel->appendChild($generator);
+
+ if (!empty($array->language)) {
+ $language = $this->_element->createElement('language', $array->language);
+ $channel->appendChild($language);
+ }
+
+ $doc = $this->_element->createElement('docs', 'http://blogs.law.harvard.edu/tech/rss');
+ $channel->appendChild($doc);
+
+ if (isset($array->cloud)) {
+ $cloud = $this->_element->createElement('cloud');
+ $cloud->setAttribute('domain', $array->cloud['uri']->getHost());
+ $cloud->setAttribute('port', $array->cloud['uri']->getPort());
+ $cloud->setAttribute('path', $array->cloud['uri']->getPath());
+ $cloud->setAttribute('registerProcedure', $array->cloud['procedure']);
+ $cloud->setAttribute('protocol', $array->cloud['protocol']);
+ $channel->appendChild($cloud);
+ }
+
+ if (isset($array->ttl)) {
+ $ttl = $this->_element->createElement('ttl', $array->ttl);
+ $channel->appendChild($ttl);
+ }
+
+ if (isset($array->rating)) {
+ $rating = $this->_element->createElement('rating', $array->rating);
+ $channel->appendChild($rating);
+ }
+
+ if (isset($array->textInput)) {
+ $textinput = $this->_element->createElement('textInput');
+ $textinput->appendChild($this->_element->createElement('title', $array->textInput['title']));
+ $textinput->appendChild($this->_element->createElement('description', $array->textInput['description']));
+ $textinput->appendChild($this->_element->createElement('name', $array->textInput['name']));
+ $textinput->appendChild($this->_element->createElement('link', $array->textInput['link']));
+ $channel->appendChild($textinput);
+ }
+
+ if (isset($array->skipHours)) {
+ $skipHours = $this->_element->createElement('skipHours');
+ foreach ($array->skipHours as $hour) {
+ $skipHours->appendChild($this->_element->createElement('hour', $hour));
+ }
+ $channel->appendChild($skipHours);
+ }
+
+ if (isset($array->skipDays)) {
+ $skipDays = $this->_element->createElement('skipDays');
+ foreach ($array->skipDays as $day) {
+ $skipDays->appendChild($this->_element->createElement('day', $day));
+ }
+ $channel->appendChild($skipDays);
+ }
+
+ if (isset($array->itunes)) {
+ $this->_buildiTunes($channel, $array);
+ }
+
+ return $channel;
+ }
+
+ /**
+ * Adds the iTunes extensions to a root node
+ *
+ * @param DOMElement $root
+ * @param array $array
+ * @return void
+ */
+ private function _buildiTunes(DOMElement $root, $array)
+ {
+ /* author node */
+ $author = '';
+ if (isset($array->itunes->author)) {
+ $author = $array->itunes->author;
+ } elseif (isset($array->author)) {
+ $author = $array->author;
+ }
+ if (!empty($author)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:author', $author);
+ $root->appendChild($node);
+ }
+
+ /* owner node */
+ $author = '';
+ $email = '';
+ if (isset($array->itunes->owner)) {
+ if (isset($array->itunes->owner['name'])) {
+ $author = $array->itunes->owner['name'];
+ }
+ if (isset($array->itunes->owner['email'])) {
+ $email = $array->itunes->owner['email'];
+ }
+ }
+ if (empty($author) && isset($array->author)) {
+ $author = $array->author;
+ }
+ if (empty($email) && isset($array->email)) {
+ $email = $array->email;
+ }
+ if (!empty($author) || !empty($email)) {
+ $owner = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:owner');
+ if (!empty($author)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:name', $author);
+ $owner->appendChild($node);
+ }
+ if (!empty($email)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:email', $email);
+ $owner->appendChild($node);
+ }
+ $root->appendChild($owner);
+ }
+ $image = '';
+ if (isset($array->itunes->image)) {
+ $image = $array->itunes->image;
+ } elseif (isset($array->image)) {
+ $image = $array->image;
+ }
+ if (!empty($image)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:image');
+ $node->setAttribute('href', $image);
+ $root->appendChild($node);
+ }
+ $subtitle = '';
+ if (isset($array->itunes->subtitle)) {
+ $subtitle = $array->itunes->subtitle;
+ } elseif (isset($array->description)) {
+ $subtitle = $array->description;
+ }
+ if (!empty($subtitle)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:subtitle', $subtitle);
+ $root->appendChild($node);
+ }
+ $summary = '';
+ if (isset($array->itunes->summary)) {
+ $summary = $array->itunes->summary;
+ } elseif (isset($array->description)) {
+ $summary = $array->description;
+ }
+ if (!empty($summary)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:summary', $summary);
+ $root->appendChild($node);
+ }
+ if (isset($array->itunes->block)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:block', $array->itunes->block);
+ $root->appendChild($node);
+ }
+ if (isset($array->itunes->explicit)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:explicit', $array->itunes->explicit);
+ $root->appendChild($node);
+ }
+ if (isset($array->itunes->keywords)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:keywords', $array->itunes->keywords);
+ $root->appendChild($node);
+ }
+ if (isset($array->itunes->new_feed_url)) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:new-feed-url', $array->itunes->new_feed_url);
+ $root->appendChild($node);
+ }
+ if (isset($array->itunes->category)) {
+ foreach ($array->itunes->category as $i => $category) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:category');
+ $node->setAttribute('text', $category['main']);
+ $root->appendChild($node);
+ $add_end_category = false;
+ if (!empty($category['sub'])) {
+ $add_end_category = true;
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:category');
+ $node->setAttribute('text', $category['sub']);
+ $root->appendChild($node);
+ }
+ if ($i > 0 || $add_end_category) {
+ $node = $this->_element->createElementNS('http://www.itunes.com/DTDs/Podcast-1.0.dtd', 'itunes:category');
+ $root->appendChild($node);
+ }
+ }
+ }
+ }
+
+ /**
+ * Generate the entries of the feed when working in write mode
+ *
+ * The following nodes are constructed for each feed entry
+ * <item>
+ * <title>entry title</title>
+ * <link>url to feed entry</link>
+ * <guid>url to feed entry</guid>
+ * <description>short text</description>
+ * <content:encoded>long version, can contain html</content:encoded>
+ * </item>
+ *
+ * @param DOMElement $root the root node to use
+ * @param array $array the data to use
+ * @return void
+ */
+ protected function _mapFeedEntries(DOMElement $root, $array)
+ {
+ Zend_Feed::registerNamespace('content', 'http://purl.org/rss/1.0/modules/content/');
+
+ foreach ($array as $dataentry) {
+ $item = $this->_element->createElement('item');
+
+ $title = $this->_element->createElement('title');
+ $title->appendChild($this->_element->createCDATASection($dataentry->title));
+ $item->appendChild($title);
+
+ if (isset($dataentry->author)) {
+ $author = $this->_element->createElement('author', $dataentry->author);
+ $item->appendChild($author);
+ }
+
+ $link = $this->_element->createElement('link', $dataentry->link);
+ $item->appendChild($link);
+
+ if (isset($dataentry->guid)) {
+ $guid = $this->_element->createElement('guid', $dataentry->guid);
+ if (!Zend_Uri::check($dataentry->guid)) {
+ $guid->setAttribute('isPermaLink', 'false');
+ }
+ $item->appendChild($guid);
+ }
+
+ $description = $this->_element->createElement('description');
+ $description->appendChild($this->_element->createCDATASection($dataentry->description));
+ $item->appendChild($description);
+
+ if (isset($dataentry->content)) {
+ $content = $this->_element->createElement('content:encoded');
+ $content->appendChild($this->_element->createCDATASection($dataentry->content));
+ $item->appendChild($content);
+ }
+
+ $pubdate = isset($dataentry->lastUpdate) ? $dataentry->lastUpdate : time();
+ $pubdate = $this->_element->createElement('pubDate', date(DATE_RSS, $pubdate));
+ $item->appendChild($pubdate);
+
+ if (isset($dataentry->category)) {
+ foreach ($dataentry->category as $category) {
+ $node = $this->_element->createElement('category', $category['term']);
+ if (isset($category['scheme'])) {
+ $node->setAttribute('domain', $category['scheme']);
+ }
+ $item->appendChild($node);
+ }
+ }
+
+ if (isset($dataentry->source)) {
+ $source = $this->_element->createElement('source', $dataentry->source['title']);
+ $source->setAttribute('url', $dataentry->source['url']);
+ $item->appendChild($source);
+ }
+
+ if (isset($dataentry->comments)) {
+ $comments = $this->_element->createElement('comments', $dataentry->comments);
+ $item->appendChild($comments);
+ }
+ if (isset($dataentry->commentRss)) {
+ $comments = $this->_element->createElementNS('http://wellformedweb.org/CommentAPI/',
+ 'wfw:commentRss',
+ $dataentry->commentRss);
+ $item->appendChild($comments);
+ }
+
+
+ if (isset($dataentry->enclosure)) {
+ foreach ($dataentry->enclosure as $enclosure) {
+ $node = $this->_element->createElement('enclosure');
+ $node->setAttribute('url', $enclosure['url']);
+ if (isset($enclosure['type'])) {
+ $node->setAttribute('type', $enclosure['type']);
+ }
+ if (isset($enclosure['length'])) {
+ $node->setAttribute('length', $enclosure['length']);
+ }
+ $item->appendChild($node);
+ }
+ }
+
+ $root->appendChild($item);
+ }
+ }
+
+ /**
+ * Override Zend_Feed_Element to include <rss> root node
+ *
+ * @return string
+ */
+ public function saveXml()
+ {
+ // Return a complete document including XML prologue.
+ $doc = new DOMDocument($this->_element->ownerDocument->version,
+ $this->_element->ownerDocument->actualEncoding);
+ $root = $doc->createElement('rss');
+
+ // Use rss version 2.0
+ $root->setAttribute('version', '2.0');
+
+ // Content namespace
+ $root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:content', 'http://purl.org/rss/1.0/modules/content/');
+ $root->appendChild($doc->importNode($this->_element, true));
+
+ // Append root node
+ $doc->appendChild($root);
+
+ // Format output
+ $doc->formatOutput = true;
+
+ return $doc->saveXML();
+ }
+
+ /**
+ * Send feed to a http client with the correct header
+ *
+ * @return void
+ * @throws Zend_Feed_Exception if headers have already been sent
+ */
+ public function send()
+ {
+ if (headers_sent()) {
+ /**
+ * @see Zend_Feed_Exception
+ */
+ require_once 'Zend/Feed/Exception.php';
+ throw new Zend_Feed_Exception('Cannot send RSS because headers have already been sent.');
+ }
+
+ header('Content-Type: application/rss+xml; charset=' . $this->_element->ownerDocument->actualEncoding);
+
+ echo $this->saveXml();
+ }
+
+}