--- /dev/null
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Entry;
+
+use DateTime;
+use DOMElement;
+use DOMXPath;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Exception;
+
+class Rss extends AbstractEntry implements EntryInterface
+{
+ /**
+ * XPath query for RDF
+ *
+ * @var string
+ */
+ protected $xpathQueryRdf = '';
+
+ /**
+ * XPath query for RSS
+ *
+ * @var string
+ */
+ protected $xpathQueryRss = '';
+
+ /**
+ * Constructor
+ *
+ * @param DOMElement $entry
+ * @param string $entryKey
+ * @param string $type
+ */
+ 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) . ']';
+
+ $manager = Reader\Reader::getExtensionManager();
+ $extensions = [
+ 'DublinCore\Entry',
+ 'Content\Entry',
+ 'Atom\Entry',
+ 'WellFormedWeb\Entry',
+ 'Slash\Entry',
+ 'Thread\Entry',
+ ];
+ foreach ($extensions as $name) {
+ $extension = $manager->get($name);
+ $extension->setEntryElement($entry);
+ $extension->setEntryKey($entryKey);
+ $extension->setType($type);
+ $this->extensions[$name] = $extension;
+ }
+ }
+
+ /**
+ * Get an author entry
+ *
+ * @param int $index
+ * @return string
+ */
+ public function getAuthor($index = 0)
+ {
+ $authors = $this->getAuthors();
+
+ if (isset($authors[$index])) {
+ return $authors[$index];
+ }
+
+ return;
+ }
+
+ /**
+ * Get an array with feed authors
+ *
+ * @return array
+ */
+ public function getAuthors()
+ {
+ if (array_key_exists('authors', $this->data)) {
+ return $this->data['authors'];
+ }
+
+ $authors = [];
+ $authorsDc = $this->getExtension('DublinCore')->getAuthors();
+ if (! empty($authorsDc)) {
+ foreach ($authorsDc as $author) {
+ $authors[] = [
+ 'name' => $author['name']
+ ];
+ }
+ }
+
+ if ($this->getType() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\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);
+ $data = [];
+ // 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 {
+ $authors = new Reader\Collection\Author(
+ Reader\Reader::arrayUnique($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 \DateTime
+ */
+ public function getDateCreated()
+ {
+ return $this->getDateModified();
+ }
+
+ /**
+ * Get the entry's date of modification
+ *
+ * @throws Exception\RuntimeException
+ * @return \DateTime
+ */
+ public function getDateModified()
+ {
+ if (array_key_exists('datemodified', $this->data)) {
+ return $this->data['datemodified'];
+ }
+
+ $date = null;
+
+ if ($this->getType() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\Reader::TYPE_RSS_090
+ ) {
+ $dateModified = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/pubDate)');
+ if ($dateModified) {
+ $dateModifiedParsed = strtotime($dateModified);
+ if ($dateModifiedParsed) {
+ $date = new DateTime('@' . $dateModifiedParsed);
+ } else {
+ $dateStandards = [DateTime::RSS, DateTime::RFC822,
+ DateTime::RFC2822, null];
+ foreach ($dateStandards as $standard) {
+ try {
+ $date = date_create_from_format($standard, $dateModified);
+ break;
+ } catch (\Exception $e) {
+ if ($standard === null) {
+ throw new Exception\RuntimeException(
+ '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() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\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() == Reader\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() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\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;
+ }
+
+ /**
+ * Get all links
+ *
+ * @return array
+ */
+ public function getLinks()
+ {
+ if (array_key_exists('links', $this->data)) {
+ return $this->data['links'];
+ }
+
+ $links = [];
+
+ if ($this->getType() !== Reader\Reader::TYPE_RSS_10 &&
+ $this->getType() !== Reader\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 Reader\Collection\Category
+ */
+ public function getCategories()
+ {
+ if (array_key_exists('categories', $this->data)) {
+ return $this->data['categories'];
+ }
+
+ if ($this->getType() !== Reader\Reader::TYPE_RSS_10 &&
+ $this->getType() !== Reader\Reader::TYPE_RSS_090) {
+ $list = $this->xpath->query($this->xpathQueryRss . '//category');
+ } else {
+ $list = $this->xpath->query($this->xpathQueryRdf . '//rss:category');
+ }
+
+ if ($list->length) {
+ $categoryCollection = new Reader\Collection\Category;
+ foreach ($list as $category) {
+ $categoryCollection[] = [
+ '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() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\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() !== Reader\Reader::TYPE_RSS_10
+ && $this->getType() !== Reader\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
+ * @return void
+ */
+ public function setXpath(DOMXPath $xpath)
+ {
+ parent::setXpath($xpath);
+ foreach ($this->extensions as $extension) {
+ $extension->setXpath($this->xpath);
+ }
+ }
+}
projects / yaffs-website / blobdiff