_xpathQueryRss = '//item[' . ($this->_entryKey+1) . ']'; $this->_xpathQueryRdf = '//rss:item[' . ($this->_entryKey+1) . ']'; $pluginLoader = Zend_Feed_Reader::getPluginLoader(); $dublinCoreClass = $pluginLoader->getClassName('DublinCore_Entry'); $this->_extensions['DublinCore_Entry'] = new $dublinCoreClass($entry, $entryKey, $type); $contentClass = $pluginLoader->getClassName('Content_Entry'); $this->_extensions['Content_Entry'] = new $contentClass($entry, $entryKey, $type); $atomClass = $pluginLoader->getClassName('Atom_Entry'); $this->_extensions['Atom_Entry'] = new $atomClass($entry, $entryKey, $type); $wfwClass = $pluginLoader->getClassName('WellFormedWeb_Entry'); $this->_extensions['WellFormedWeb_Entry'] = new $wfwClass($entry, $entryKey, $type); $slashClass = $pluginLoader->getClassName('Slash_Entry'); $this->_extensions['Slash_Entry'] = new $slashClass($entry, $entryKey, $type); $threadClass = $pluginLoader->getClassName('Thread_Entry'); $this->_extensions['Thread_Entry'] = new $threadClass($entry, $entryKey, $type); } /** * Get an author entry * * @param DOMElement $element * @return string */ public function getAuthor($index = 0) { $authors = $this->getAuthors(); if (isset($authors[$index])) { return $authors[$index]; } return null; } /** * Get an array with feed authors * * @return array */ public function getAuthors() { if (array_key_exists('authors', $this->_data)) { return $this->_data['authors']; } $authors = array(); // @todo: create a list from all potential sources rather than from alternatives if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) { $list = $this->_xpath->evaluate($this->_xpathQueryRss.'//author'); } else { $list = $this->_xpath->evaluate($this->_xpathQueryRdf.'//rss:author'); } if (!$list->length) { if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) { $list = $this->_xpath->query('//author'); } else { $list = $this->_xpath->query('//rss:author'); } } if ($list->length) { foreach ($list as $author) { if ($this->getType() == Zend_Feed_Reader::TYPE_RSS_20 && preg_match("/\(([^\)]+)\)/", $author->nodeValue, $matches, PREG_OFFSET_CAPTURE) ) { // source name from RSS 2.0 // format "joe@example.com (Joe Bloggs)" $authors[] = $matches[1][0]; } else { $authors[] = $author->nodeValue; } } $authors = array_unique($authors); } if (empty($authors)) { $authors = $this->getExtension('DublinCore')->getAuthors(); } if (empty($authors)) { $authors = $this->getExtension('Atom')->getAuthors(); } $this->_data['authors'] = $authors; return $this->_data['authors']; } /** * Get the entry content * * @return string */ public function getContent() { if (array_key_exists('content', $this->_data)) { return $this->_data['content']; } $content = $this->getExtension('Content')->getContent(); if (!$content) { $content = $this->getDescription(); } if (empty($content)) { $content = $this->getExtension('Atom')->getContent(); } $this->_data['content'] = $content; return $this->_data['content']; } /** * Get the entry's date of creation * * @return string */ public function getDateCreated() { return $this->getDateModified(); } /** * Get the entry's date of modification * * @return string */ public function getDateModified() { if (array_key_exists('datemodified', $this->_data)) { return $this->_data['datemodified']; } $dateModified = null; $date = null; if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090 ) { $dateModified = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/pubDate)'); if ($dateModified) { $dateStandards = array(Zend_Date::RSS, Zend_Date::RFC_822, Zend_Date::RFC_2822, Zend_Date::DATES); $date = new Zend_Date; foreach ($dateStandards as $standard) { try { $date->set($dateModified, $standard); break; } catch (Zend_Date_Exception $e) { if ($standard == Zend_Date::DATES) { require_once 'Zend/Feed/Exception.php'; throw new Zend_Feed_Exception( 'Could not load date due to unrecognised' .' format (should follow RFC 822 or 2822):' . $e->getMessage() ); } } } } } if (!$date) { $date = $this->getExtension('DublinCore')->getDate(); } if (!$date) { $date = $this->getExtension('Atom')->getDateModified(); } if (!$date) { $date = null; } $this->_data['datemodified'] = $date; return $this->_data['datemodified']; } /** * Get the entry description * * @return string */ public function getDescription() { if (array_key_exists('description', $this->_data)) { return $this->_data['description']; } $description = null; if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090 ) { $description = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/description)'); } else { $description = $this->_xpath->evaluate('string('.$this->_xpathQueryRdf.'/rss:description)'); } if (!$description) { $description = $this->getExtension('DublinCore')->getDescription(); } if (empty($description)) { $description = $this->getExtension('Atom')->getDescription(); } if (!$description) { $description = null; } else { $description = html_entity_decode($description, ENT_QUOTES, $this->getEncoding()); } $this->_data['description'] = $description; return $this->_data['description']; } /** * Get the entry enclosure * @return string */ public function getEnclosure() { if (array_key_exists('enclosure', $this->_data)) { return $this->_data['enclosure']; } $enclosure = null; if ($this->getType() == Zend_Feed_Reader::TYPE_RSS_20) { $nodeList = $this->_xpath->query($this->_xpathQueryRss . '/enclosure'); if ($nodeList->length > 0) { $enclosure = new stdClass(); $enclosure->url = $nodeList->item(0)->getAttribute('url'); $enclosure->length = $nodeList->item(0)->getAttribute('length'); $enclosure->type = $nodeList->item(0)->getAttribute('type'); } } if (!$enclosure) { $enclosure = $this->getExtension('Atom')->getEnclosure(); } $this->_data['enclosure'] = $enclosure; return $this->_data['enclosure']; } /** * Get the entry ID * * @return string */ public function getId() { if (array_key_exists('id', $this->_data)) { return $this->_data['id']; } $id = null; if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090 ) { $id = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/guid)'); } if (!$id) { $id = $this->getExtension('DublinCore')->getId(); } if (empty($id)) { $id = $this->getExtension('Atom')->getId(); } if (!$id) { if ($this->getPermalink()) { $id = $this->getPermalink(); } elseif ($this->getTitle()) { $id = $this->getTitle(); } else { $id = null; } } $this->_data['id'] = $id; return $this->_data['id']; } /** * Get a specific link * * @param int $index * @return string */ public function getLink($index = 0) { if (!array_key_exists('links', $this->_data)) { $this->getLinks(); } if (isset($this->_data['links'][$index])) { return $this->_data['links'][$index]; } return null; } /** * Get all links * * @return array */ public function getLinks() { if (array_key_exists('links', $this->_data)) { return $this->_data['links']; } $links = array(); if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) { $list = $this->_xpath->query($this->_xpathQueryRss.'//link'); } else { $list = $this->_xpath->query($this->_xpathQueryRdf.'//rss:link'); } if (!$list->length) { $links = $this->getExtension('Atom')->getLinks(); } else { foreach ($list as $link) { $links[] = $link->nodeValue; } } $this->_data['links'] = $links; return $this->_data['links']; } /** * Get a permalink to the entry * * @return string */ public function getPermalink() { return $this->getLink(0); } /** * Get the entry title * * @return string */ public function getTitle() { if (array_key_exists('title', $this->_data)) { return $this->_data['title']; } $title = null; if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090 ) { $title = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/title)'); } else { $title = $this->_xpath->evaluate('string('.$this->_xpathQueryRdf.'/rss:title)'); } if (!$title) { $title = $this->getExtension('DublinCore')->getTitle(); } if (!$title) { $title = $this->getExtension('Atom')->getTitle(); } if (!$title) { $title = null; } $this->_data['title'] = $title; return $this->_data['title']; } /** * Get the number of comments/replies for current entry * * @return string|null */ public function getCommentCount() { if (array_key_exists('commentcount', $this->_data)) { return $this->_data['commentcount']; } $commentcount = $this->getExtension('Slash')->getCommentCount(); if (!$commentcount) { $commentcount = $this->getExtension('Thread')->getCommentCount(); } if (!$commentcount) { $commentcount = $this->getExtension('Atom')->getCommentCount(); } if (!$commentcount) { $commentcount = null; } $this->_data['commentcount'] = $commentcount; return $this->_data['commentcount']; } /** * Returns a URI pointing to the HTML page where comments can be made on this entry * * @return string */ public function getCommentLink() { if (array_key_exists('commentlink', $this->_data)) { return $this->_data['commentlink']; } $commentlink = null; if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090 ) { $commentlink = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/comments)'); } if (!$commentlink) { $commentlink = $this->getExtension('Atom')->getCommentLink(); } if (!$commentlink) { $commentlink = null; } $this->_data['commentlink'] = $commentlink; return $this->_data['commentlink']; } /** * Returns a URI pointing to a feed of all comments for this entry * * @return string */ public function getCommentFeedLink() { if (array_key_exists('commentfeedlink', $this->_data)) { return $this->_data['commentfeedlink']; } $commentfeedlink = $this->getExtension('WellFormedWeb')->getCommentFeedLink(); if (!$commentfeedlink) { $commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rss'); } if (!$commentfeedlink) { $commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rdf'); } if (!$commentfeedlink) { $commentfeedlink = null; } $this->_data['commentfeedlink'] = $commentfeedlink; return $this->_data['commentfeedlink']; } /** * Set the XPath query (incl. on all Extensions) * * @param DOMXPath $xpath */ public function setXpath(DOMXPath $xpath) { parent::setXpath($xpath); foreach ($this->_extensions as $extension) { $extension->setXpath($this->_xpath); } } }