--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Atom.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,390 @@
+<?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: Atom.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Feed_Abstract
+ */
+require_once 'Zend/Feed/Abstract.php';
+
+/**
+ * @see Zend_Feed_Entry_Atom
+ */
+require_once 'Zend/Feed/Entry/Atom.php';
+
+
+/**
+ * Atom feed class
+ *
+ * The Zend_Feed_Atom class is a concrete subclass of the general
+ * Zend_Feed_Abstract class, tailored for representing an Atom
+ * feed. It shares all of the same methods with its abstract
+ * parent. The distinction is made in the format of data that
+ * Zend_Feed_Atom expects, and as a further pointer for users as to
+ * what kind of feed object they have been passed.
+ *
+ * @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_Atom extends Zend_Feed_Abstract
+{
+
+ /**
+ * The classname for individual feed elements.
+ *
+ * @var string
+ */
+ protected $_entryClassName = 'Zend_Feed_Entry_Atom';
+
+ /**
+ * The element name for individual feed elements (Atom <entry>
+ * elements).
+ *
+ * @var string
+ */
+ protected $_entryElementName = 'entry';
+
+ /**
+ * The default namespace for Atom feeds.
+ *
+ * @var string
+ */
+ protected $_defaultNamespace = 'atom';
+
+
+ /**
+ * 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 feed element and create an alias to it.
+ $element = $this->_element->getElementsByTagName('feed')->item(0);
+ if (!$element) {
+ // Try to find a single <entry> instead.
+ $element = $this->_element->getElementsByTagName($this->_entryElementName)->item(0);
+ if (!$element) {
+ /**
+ * @see Zend_Feed_Exception
+ */
+ require_once 'Zend/Feed/Exception.php';
+ throw new Zend_Feed_Exception('No root <feed> or <' . $this->_entryElementName
+ . '> element found, cannot parse feed.');
+ }
+
+ $doc = new DOMDocument($this->_element->version,
+ $this->_element->actualEncoding);
+ $feed = $doc->appendChild($doc->createElement('feed'));
+ $feed->appendChild($doc->importNode($element, true));
+ $element = $feed;
+ }
+
+ $this->_element = $element;
+
+ // Find the entries and save a pointer to them for speed and
+ // simplicity.
+ $this->_buildEntryCache();
+ }
+
+
+ /**
+ * Easy access to <link> tags keyed by "rel" attributes.
+ *
+ * If $elt->link() is called with no arguments, we will attempt to
+ * return the value of the <link> tag(s) like all other
+ * method-syntax attribute access. If an argument is passed to
+ * link(), however, then we will return the "href" value of the
+ * first <link> tag that has a "rel" attribute matching $rel:
+ *
+ * $elt->link(): returns the value of the link tag.
+ * $elt->link('self'): returns the href from the first <link rel="self"> in the entry.
+ *
+ * @param string $rel The "rel" attribute to look for.
+ * @return mixed
+ */
+ public function link($rel = null)
+ {
+ if ($rel === null) {
+ return parent::__call('link', null);
+ }
+
+ // index link tags by their "rel" attribute.
+ $links = parent::__get('link');
+ if (!is_array($links)) {
+ if ($links instanceof Zend_Feed_Element) {
+ $links = array($links);
+ } else {
+ return $links;
+ }
+ }
+
+ foreach ($links as $link) {
+ if (empty($link['rel'])) {
+ continue;
+ }
+ if ($rel == $link['rel']) {
+ return $link['href'];
+ }
+ }
+
+ return null;
+ }
+
+
+ /**
+ * Make accessing some individual elements of the feed easier.
+ *
+ * Special accessors 'entry' and 'entries' are provided so that if
+ * you wish to iterate over an Atom feed's entries, you can do so
+ * using foreach ($feed->entries as $entry) or foreach
+ * ($feed->entry as $entry).
+ *
+ * @param string $var The property to access.
+ * @return mixed
+ */
+ public function __get($var)
+ {
+ switch ($var) {
+ case 'entry':
+ // fall through to the next case
+ case 'entries':
+ 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)
+ {
+ $feed = $this->_element->createElement('feed');
+ $feed->setAttribute('xmlns', 'http://www.w3.org/2005/Atom');
+
+ $id = $this->_element->createElement('id', $array->link);
+ $feed->appendChild($id);
+
+ $title = $this->_element->createElement('title');
+ $title->appendChild($this->_element->createCDATASection($array->title));
+ $feed->appendChild($title);
+
+ if (isset($array->author)) {
+ $author = $this->_element->createElement('author');
+ $name = $this->_element->createElement('name', $array->author);
+ $author->appendChild($name);
+ if (isset($array->email)) {
+ $email = $this->_element->createElement('email', $array->email);
+ $author->appendChild($email);
+ }
+ $feed->appendChild($author);
+ }
+
+ $updated = isset($array->lastUpdate) ? $array->lastUpdate : time();
+ $updated = $this->_element->createElement('updated', date(DATE_ATOM, $updated));
+ $feed->appendChild($updated);
+
+ if (isset($array->published)) {
+ $published = $this->_element->createElement('published', date(DATE_ATOM, $array->published));
+ $feed->appendChild($published);
+ }
+
+ $link = $this->_element->createElement('link');
+ $link->setAttribute('rel', 'self');
+ $link->setAttribute('href', $array->link);
+ if (isset($array->language)) {
+ $link->setAttribute('hreflang', $array->language);
+ }
+ $feed->appendChild($link);
+
+ if (isset($array->description)) {
+ $subtitle = $this->_element->createElement('subtitle');
+ $subtitle->appendChild($this->_element->createCDATASection($array->description));
+ $feed->appendChild($subtitle);
+ }
+
+ if (isset($array->copyright)) {
+ $copyright = $this->_element->createElement('rights', $array->copyright);
+ $feed->appendChild($copyright);
+ }
+
+ if (isset($array->image)) {
+ $image = $this->_element->createElement('logo', $array->image);
+ $feed->appendChild($image);
+ }
+
+ $generator = !empty($array->generator) ? $array->generator : 'Zend_Feed';
+ $generator = $this->_element->createElement('generator', $generator);
+ $feed->appendChild($generator);
+
+ return $feed;
+ }
+
+ /**
+ * Generate the entries of the feed when working in write mode
+ *
+ * The following nodes are constructed for each feed entry
+ * <entry>
+ * <id>url to feed entry</id>
+ * <title>entry title</title>
+ * <updated>last update</updated>
+ * <link rel="alternate" href="url to feed entry" />
+ * <summary>short text</summary>
+ * <content>long version, can contain html</content>
+ * </entry>
+ *
+ * @param array $array the data to use
+ * @param DOMElement $root the root node to use
+ * @return void
+ */
+ protected function _mapFeedEntries(DOMElement $root, $array)
+ {
+ foreach ($array as $dataentry) {
+ $entry = $this->_element->createElement('entry');
+
+ $id = $this->_element->createElement('id', isset($dataentry->guid) ? $dataentry->guid : $dataentry->link);
+ $entry->appendChild($id);
+
+ $title = $this->_element->createElement('title');
+ $title->appendChild($this->_element->createCDATASection($dataentry->title));
+ $entry->appendChild($title);
+
+ $updated = isset($dataentry->lastUpdate) ? $dataentry->lastUpdate : time();
+ $updated = $this->_element->createElement('updated', date(DATE_ATOM, $updated));
+ $entry->appendChild($updated);
+
+ $link = $this->_element->createElement('link');
+ $link->setAttribute('rel', 'alternate');
+ $link->setAttribute('href', $dataentry->link);
+ $entry->appendChild($link);
+
+ $summary = $this->_element->createElement('summary');
+ $summary->appendChild($this->_element->createCDATASection($dataentry->description));
+ $entry->appendChild($summary);
+
+ if (isset($dataentry->content)) {
+ $content = $this->_element->createElement('content');
+ $content->setAttribute('type', 'html');
+ $content->appendChild($this->_element->createCDATASection($dataentry->content));
+ $entry->appendChild($content);
+ }
+
+ if (isset($dataentry->category)) {
+ foreach ($dataentry->category as $category) {
+ $node = $this->_element->createElement('category');
+ $node->setAttribute('term', $category['term']);
+ if (isset($category['scheme'])) {
+ $node->setAttribute('scheme', $category['scheme']);
+ }
+ $entry->appendChild($node);
+ }
+ }
+
+ if (isset($dataentry->source)) {
+ $source = $this->_element->createElement('source');
+ $title = $this->_element->createElement('title', $dataentry->source['title']);
+ $source->appendChild($title);
+ $link = $this->_element->createElement('link', $dataentry->source['title']);
+ $link->setAttribute('rel', 'alternate');
+ $link->setAttribute('href', $dataentry->source['url']);
+ $source->appendChild($link);
+ }
+
+ if (isset($dataentry->enclosure)) {
+ foreach ($dataentry->enclosure as $enclosure) {
+ $node = $this->_element->createElement('link');
+ $node->setAttribute('rel', 'enclosure');
+ $node->setAttribute('href', $enclosure['url']);
+ if (isset($enclosure['type'])) {
+ $node->setAttribute('type', $enclosure['type']);
+ }
+ if (isset($enclosure['length'])) {
+ $node->setAttribute('length', $enclosure['length']);
+ }
+ $entry->appendChild($node);
+ }
+ }
+
+ if (isset($dataentry->comments)) {
+ $comments = $this->_element->createElementNS('http://wellformedweb.org/CommentAPI/',
+ 'wfw:comment',
+ $dataentry->comments);
+ $entry->appendChild($comments);
+ }
+ if (isset($dataentry->commentRss)) {
+ $comments = $this->_element->createElementNS('http://wellformedweb.org/CommentAPI/',
+ 'wfw:commentRss',
+ $dataentry->commentRss);
+ $entry->appendChild($comments);
+ }
+
+ $root->appendChild($entry);
+ }
+ }
+
+ /**
+ * Override Zend_Feed_Element to allow formated feeds
+ *
+ * @return string
+ */
+ public function saveXml()
+ {
+ // Return a complete document including XML prologue.
+ $doc = new DOMDocument($this->_element->ownerDocument->version,
+ $this->_element->ownerDocument->actualEncoding);
+ $doc->appendChild($doc->importNode($this->_element, true));
+ $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 ATOM because headers have already been sent.');
+ }
+
+ header('Content-Type: application/atom+xml; charset=' . $this->_element->ownerDocument->actualEncoding);
+
+ echo $this->saveXML();
+ }
+}