/src/application/libraries/Zend/Feed/Reader/Entry/Rss.php
PHP | 668 lines | 389 code | 116 blank | 163 comment | 82 complexity | 21d6854cc043244cd52cb6f3d23f1f96 MD5 | raw file
- <?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_Reader
- * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: Rss.php 23775 2011-03-01 17:25:24Z ralph $
- */
- /**
- * @see Zend_Feed_Reader
- */
- require_once 'Zend/Feed/Reader.php';
- /**
- * @see Zend_Feed_Reader_EntryInterface
- */
- require_once 'Zend/Feed/Reader/EntryInterface.php';
- /**
- * @see Zend_Feed_Reader_EntryAbstract
- */
- require_once 'Zend/Feed/Reader/EntryAbstract.php';
- /**
- * @see Zend_Feed_Reader_Extension_DublinCore_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/DublinCore/Entry.php';
- /**
- * @see Zend_Feed_Reader_Extension_Content_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/Content/Entry.php';
- /**
- * @see Zend_Feed_Reader_Extension_Atom_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/Atom/Entry.php';
- /**
- * @see Zend_Feed_Reader_Extension_WellformedWeb_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/WellFormedWeb/Entry.php';
- /**
- * @see Zend_Feed_Reader_Extension_Slash_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/Slash/Entry.php';
- /**
- * @see Zend_Feed_Reader_Extension_Thread_Entry
- */
- require_once 'Zend/Feed/Reader/Extension/Thread/Entry.php';
- /**
- * @see Zend_Date
- */
- require_once 'Zend/Date.php';
- /**
- * @see Zend_Feed_Reader_Collection_Category
- */
- require_once 'Zend/Feed/Reader/Collection/Category.php';
- /**
- * @category Zend
- * @package Zend_Feed_Reader
- * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Feed_Reader_Entry_Rss extends Zend_Feed_Reader_EntryAbstract implements Zend_Feed_Reader_EntryInterface
- {
- /**
- * XPath query for RDF
- *
- * @var string
- */
- protected $_xpathQueryRdf = '';
- /**
- * XPath query for RSS
- *
- * @var string
- */
- protected $_xpathQueryRss = '';
- /**
- * Constructor
- *
- * @param Zend_Feed_Entry_Abstract $entry
- * @param string $entryKey
- * @param string $type
- * @return void
- */
- public function __construct(DOMElement $entry, $entryKey, $type = null)
- {
- parent::__construct($entry, $entryKey, $type);
- $this->_xpathQueryRss = '//item[' . ($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();
- $authors_dc = $this->getExtension('DublinCore')->getAuthors();
- if (!empty($authors_dc)) {
- foreach ($authors_dc as $author) {
- $authors[] = array(
- 'name' => $author['name']
- );
- }
- }
- if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
- && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) {
- $list = $this->_xpath->query($this->_xpathQueryRss . '//author');
- } else {
- $list = $this->_xpath->query($this->_xpathQueryRdf . '//rss:author');
- }
- if ($list->length) {
- foreach ($list as $author) {
- $string = trim($author->nodeValue);
- $email = null;
- $name = null;
- $data = array();
- // Pretty rough parsing - but it's a catchall
- if (preg_match("/^.*@[^ ]*/", $string, $matches)) {
- $data['email'] = trim($matches[0]);
- if (preg_match("/\((.*)\)$/", $string, $matches)) {
- $data['name'] = $matches[1];
- }
- $authors[] = $data;
- }
- }
- }
- if (count($authors) == 0) {
- $authors = $this->getExtension('Atom')->getAuthors();
- } else {
- $authors = new Zend_Feed_Reader_Collection_Author(
- Zend_Feed_Reader::arrayUnique($authors)
- );
- }
- if (count($authors) == 0) {
- $authors = null;
- }
- $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) {
- $dateModifiedParsed = strtotime($dateModified);
- if ($dateModifiedParsed) {
- $date = new Zend_Date($dateModifiedParsed);
- } else {
- $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(),
- 0, $e
- );
- }
- }
- }
- }
- }
- }
- if (!$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;
- }
- $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 all categories
- *
- * @return Zend_Feed_Reader_Collection_Category
- */
- public function getCategories()
- {
- if (array_key_exists('categories', $this->_data)) {
- return $this->_data['categories'];
- }
- if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 &&
- $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) {
- $list = $this->_xpath->query($this->_xpathQueryRss.'//category');
- } else {
- $list = $this->_xpath->query($this->_xpathQueryRdf.'//rss:category');
- }
- if ($list->length) {
- $categoryCollection = new Zend_Feed_Reader_Collection_Category;
- foreach ($list as $category) {
- $categoryCollection[] = array(
- 'term' => $category->nodeValue,
- 'scheme' => $category->getAttribute('domain'),
- 'label' => $category->nodeValue,
- );
- }
- } else {
- $categoryCollection = $this->getExtension('DublinCore')->getCategories();
- }
- if (count($categoryCollection) == 0) {
- $categoryCollection = $this->getExtension('Atom')->getCategories();
- }
- $this->_data['categories'] = $categoryCollection;
- return $this->_data['categories'];
- }
- /**
- * 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);
- }
- }
- }