Chris@0: <?php
Chris@0: /**
Chris@0:  * Zend Framework (http://framework.zend.com/)
Chris@0:  *
Chris@0:  * @link      http://github.com/zendframework/zf2 for the canonical source repository
Chris@0:  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:  * @license   http://framework.zend.com/license/new-bsd New BSD License
Chris@0:  */
Chris@0: 
Chris@0: namespace Zend\Feed\Reader\Extension\Atom;
Chris@0: 
Chris@0: use DateTime;
Chris@0: use DOMDocument;
Chris@0: use DOMElement;
Chris@0: use stdClass;
Chris@0: use Zend\Feed\Reader;
Chris@0: use Zend\Feed\Reader\Collection;
Chris@0: use Zend\Feed\Reader\Extension;
Chris@0: use Zend\Feed\Uri;
Chris@0: 
Chris@0: class Entry extends Extension\AbstractEntry
Chris@0: {
Chris@0:     /**
Chris@0:      * Get the specified author
Chris@0:      *
Chris@0:      * @param  int $index
Chris@0:      * @return string|null
Chris@0:      */
Chris@0:     public function getAuthor($index = 0)
Chris@0:     {
Chris@0:         $authors = $this->getAuthors();
Chris@0: 
Chris@0:         if (isset($authors[$index])) {
Chris@0:             return $authors[$index];
Chris@0:         }
Chris@0: 
Chris@0:         return;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get an array with feed authors
Chris@0:      *
Chris@0:      * @return Collection\Author
Chris@0:      */
Chris@0:     public function getAuthors()
Chris@0:     {
Chris@0:         if (array_key_exists('authors', $this->data)) {
Chris@0:             return $this->data['authors'];
Chris@0:         }
Chris@0: 
Chris@0:         $authors = [];
Chris@0:         $list = $this->getXpath()->query($this->getXpathPrefix() . '//atom:author');
Chris@0: 
Chris@12:         if (! $list->length) {
Chris@0:             /**
Chris@0:              * TODO: Limit query to feed level els only!
Chris@0:              */
Chris@0:             $list = $this->getXpath()->query('//atom:author');
Chris@0:         }
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             foreach ($list as $author) {
Chris@0:                 $author = $this->getAuthorFromElement($author);
Chris@12:                 if (! empty($author)) {
Chris@0:                     $authors[] = $author;
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (count($authors) == 0) {
Chris@0:             $authors = new Collection\Author();
Chris@0:         } else {
Chris@0:             $authors = new Collection\Author(
Chris@0:                 Reader\Reader::arrayUnique($authors)
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['authors'] = $authors;
Chris@0:         return $this->data['authors'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry content
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getContent()
Chris@0:     {
Chris@0:         if (array_key_exists('content', $this->data)) {
Chris@0:             return $this->data['content'];
Chris@0:         }
Chris@0: 
Chris@0:         $content = null;
Chris@0: 
Chris@0:         $el = $this->getXpath()->query($this->getXpathPrefix() . '/atom:content');
Chris@0:         if ($el->length > 0) {
Chris@0:             $el = $el->item(0);
Chris@0:             $type = $el->getAttribute('type');
Chris@0:             switch ($type) {
Chris@0:                 case '':
Chris@0:                 case 'text':
Chris@0:                 case 'text/plain':
Chris@0:                 case 'html':
Chris@0:                 case 'text/html':
Chris@0:                     $content = $el->nodeValue;
Chris@0:                     break;
Chris@0:                 case 'xhtml':
Chris@0:                     $this->getXpath()->registerNamespace('xhtml', 'http://www.w3.org/1999/xhtml');
Chris@0:                     $xhtml = $this->getXpath()->query(
Chris@0:                         $this->getXpathPrefix() . '/atom:content/xhtml:div'
Chris@0:                     )->item(0);
Chris@0:                     $d = new DOMDocument('1.0', $this->getEncoding());
Chris@0:                     $deep = version_compare(PHP_VERSION, '7', 'ge') ? 1 : true;
Chris@0:                     $xhtmls = $d->importNode($xhtml, $deep);
Chris@0:                     $d->appendChild($xhtmls);
Chris@0:                     $content = $this->collectXhtml(
Chris@0:                         $d->saveXML(),
Chris@0:                         $d->lookupPrefix('http://www.w3.org/1999/xhtml')
Chris@0:                     );
Chris@0:                     break;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@12:         if (! $content) {
Chris@0:             $content = $this->getDescription();
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['content'] = trim($content);
Chris@0: 
Chris@0:         return $this->data['content'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Parse out XHTML to remove the namespacing
Chris@0:      *
Chris@0:      * @param $xhtml
Chris@0:      * @param $prefix
Chris@0:      * @return mixed
Chris@0:      */
Chris@0:     protected function collectXhtml($xhtml, $prefix)
Chris@0:     {
Chris@12:         if (! empty($prefix)) {
Chris@0:             $prefix = $prefix . ':';
Chris@0:         }
Chris@0:         $matches = [
Chris@0:             "/<\?xml[^<]*>[^<]*<" . $prefix . "div[^<]*/",
Chris@0:             "/<\/" . $prefix . "div>\s*$/"
Chris@0:         ];
Chris@0:         $xhtml = preg_replace($matches, '', $xhtml);
Chris@12:         if (! empty($prefix)) {
Chris@0:             $xhtml = preg_replace("/(<[\/]?)" . $prefix . "([a-zA-Z]+)/", '$1$2', $xhtml);
Chris@0:         }
Chris@0:         return $xhtml;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry creation date
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getDateCreated()
Chris@0:     {
Chris@0:         if (array_key_exists('datecreated', $this->data)) {
Chris@0:             return $this->data['datecreated'];
Chris@0:         }
Chris@0: 
Chris@0:         $date = null;
Chris@0: 
Chris@0:         if ($this->getAtomType() === Reader\Reader::TYPE_ATOM_03) {
Chris@0:             $dateCreated = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:created)');
Chris@0:         } else {
Chris@0:             $dateCreated = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:published)');
Chris@0:         }
Chris@0: 
Chris@0:         if ($dateCreated) {
Chris@0:             $date = new DateTime($dateCreated);
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['datecreated'] = $date;
Chris@0: 
Chris@0:         return $this->data['datecreated'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry modification date
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getDateModified()
Chris@0:     {
Chris@0:         if (array_key_exists('datemodified', $this->data)) {
Chris@0:             return $this->data['datemodified'];
Chris@0:         }
Chris@0: 
Chris@0:         $date = null;
Chris@0: 
Chris@0:         if ($this->getAtomType() === Reader\Reader::TYPE_ATOM_03) {
Chris@0:             $dateModified = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:modified)');
Chris@0:         } else {
Chris@0:             $dateModified = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:updated)');
Chris@0:         }
Chris@0: 
Chris@0:         if ($dateModified) {
Chris@0:             $date = new DateTime($dateModified);
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['datemodified'] = $date;
Chris@0: 
Chris@0:         return $this->data['datemodified'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry description
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getDescription()
Chris@0:     {
Chris@0:         if (array_key_exists('description', $this->data)) {
Chris@0:             return $this->data['description'];
Chris@0:         }
Chris@0: 
Chris@0:         $description = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:summary)');
Chris@0: 
Chris@12:         if (! $description) {
Chris@0:             $description = null;
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['description'] = $description;
Chris@0: 
Chris@0:         return $this->data['description'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry enclosure
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getEnclosure()
Chris@0:     {
Chris@0:         if (array_key_exists('enclosure', $this->data)) {
Chris@0:             return $this->data['enclosure'];
Chris@0:         }
Chris@0: 
Chris@0:         $enclosure = null;
Chris@0: 
Chris@0:         $nodeList = $this->getXpath()->query($this->getXpathPrefix() . '/atom:link[@rel="enclosure"]');
Chris@0: 
Chris@0:         if ($nodeList->length > 0) {
Chris@0:             $enclosure         = new stdClass();
Chris@0:             $enclosure->url    = $nodeList->item(0)->getAttribute('href');
Chris@0:             $enclosure->length = $nodeList->item(0)->getAttribute('length');
Chris@0:             $enclosure->type   = $nodeList->item(0)->getAttribute('type');
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['enclosure'] = $enclosure;
Chris@0: 
Chris@0:         return $this->data['enclosure'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry ID
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getId()
Chris@0:     {
Chris@0:         if (array_key_exists('id', $this->data)) {
Chris@0:             return $this->data['id'];
Chris@0:         }
Chris@0: 
Chris@0:         $id = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:id)');
Chris@0: 
Chris@12:         if (! $id) {
Chris@0:             if ($this->getPermalink()) {
Chris@0:                 $id = $this->getPermalink();
Chris@0:             } elseif ($this->getTitle()) {
Chris@0:                 $id = $this->getTitle();
Chris@0:             } else {
Chris@0:                 $id = null;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['id'] = $id;
Chris@0: 
Chris@0:         return $this->data['id'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the base URI of the feed (if set).
Chris@0:      *
Chris@0:      * @return string|null
Chris@0:      */
Chris@0:     public function getBaseUrl()
Chris@0:     {
Chris@0:         if (array_key_exists('baseUrl', $this->data)) {
Chris@0:             return $this->data['baseUrl'];
Chris@0:         }
Chris@0: 
Chris@0:         $baseUrl = $this->getXpath()->evaluate(
Chris@0:             'string('
Chris@0:             . $this->getXpathPrefix()
Chris@0:             . '/@xml:base[1]'
Chris@0:             . ')'
Chris@0:         );
Chris@0: 
Chris@12:         if (! $baseUrl) {
Chris@0:             $baseUrl = $this->getXpath()->evaluate('string(//@xml:base[1])');
Chris@0:         }
Chris@0: 
Chris@12:         if (! $baseUrl) {
Chris@0:             $baseUrl = null;
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['baseUrl'] = $baseUrl;
Chris@0: 
Chris@0:         return $this->data['baseUrl'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get a specific link
Chris@0:      *
Chris@0:      * @param  int $index
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getLink($index = 0)
Chris@0:     {
Chris@12:         if (! array_key_exists('links', $this->data)) {
Chris@0:             $this->getLinks();
Chris@0:         }
Chris@0: 
Chris@0:         if (isset($this->data['links'][$index])) {
Chris@0:             return $this->data['links'][$index];
Chris@0:         }
Chris@0: 
Chris@0:         return;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get all links
Chris@0:      *
Chris@0:      * @return array
Chris@0:      */
Chris@0:     public function getLinks()
Chris@0:     {
Chris@0:         if (array_key_exists('links', $this->data)) {
Chris@0:             return $this->data['links'];
Chris@0:         }
Chris@0: 
Chris@0:         $links = [];
Chris@0: 
Chris@0:         $list = $this->getXpath()->query(
Chris@0:             $this->getXpathPrefix() . '//atom:link[@rel="alternate"]/@href' . '|' .
Chris@0:             $this->getXpathPrefix() . '//atom:link[not(@rel)]/@href'
Chris@0:         );
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             foreach ($list as $link) {
Chris@0:                 $links[] = $this->absolutiseUri($link->value);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['links'] = $links;
Chris@0: 
Chris@0:         return $this->data['links'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get a permalink to the entry
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getPermalink()
Chris@0:     {
Chris@0:         return $this->getLink(0);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the entry title
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getTitle()
Chris@0:     {
Chris@0:         if (array_key_exists('title', $this->data)) {
Chris@0:             return $this->data['title'];
Chris@0:         }
Chris@0: 
Chris@0:         $title = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/atom:title)');
Chris@0: 
Chris@12:         if (! $title) {
Chris@0:             $title = null;
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['title'] = $title;
Chris@0: 
Chris@0:         return $this->data['title'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the number of comments/replies for current entry
Chris@0:      *
Chris@0:      * @return int
Chris@0:      */
Chris@0:     public function getCommentCount()
Chris@0:     {
Chris@0:         if (array_key_exists('commentcount', $this->data)) {
Chris@0:             return $this->data['commentcount'];
Chris@0:         }
Chris@0: 
Chris@0:         $count = null;
Chris@0: 
Chris@0:         $this->getXpath()->registerNamespace('thread10', 'http://purl.org/syndication/thread/1.0');
Chris@0:         $list = $this->getXpath()->query(
Chris@0:             $this->getXpathPrefix() . '//atom:link[@rel="replies"]/@thread10:count'
Chris@0:         );
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             $count = $list->item(0)->value;
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['commentcount'] = $count;
Chris@0: 
Chris@0:         return $this->data['commentcount'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns a URI pointing to the HTML page where comments can be made on this entry
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getCommentLink()
Chris@0:     {
Chris@0:         if (array_key_exists('commentlink', $this->data)) {
Chris@0:             return $this->data['commentlink'];
Chris@0:         }
Chris@0: 
Chris@0:         $link = null;
Chris@0: 
Chris@0:         $list = $this->getXpath()->query(
Chris@0:             $this->getXpathPrefix() . '//atom:link[@rel="replies" and @type="text/html"]/@href'
Chris@0:         );
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             $link = $list->item(0)->value;
Chris@0:             $link = $this->absolutiseUri($link);
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['commentlink'] = $link;
Chris@0: 
Chris@0:         return $this->data['commentlink'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns a URI pointing to a feed of all comments for this entry
Chris@0:      *
Chris@0:      * @param string $type
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getCommentFeedLink($type = 'atom')
Chris@0:     {
Chris@0:         if (array_key_exists('commentfeedlink', $this->data)) {
Chris@0:             return $this->data['commentfeedlink'];
Chris@0:         }
Chris@0: 
Chris@0:         $link = null;
Chris@0: 
Chris@0:         $list = $this->getXpath()->query(
Chris@0:             $this->getXpathPrefix() . '//atom:link[@rel="replies" and @type="application/' . $type.'+xml"]/@href'
Chris@0:         );
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             $link = $list->item(0)->value;
Chris@0:             $link = $this->absolutiseUri($link);
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['commentfeedlink'] = $link;
Chris@0: 
Chris@0:         return $this->data['commentfeedlink'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get all categories
Chris@0:      *
Chris@0:      * @return Collection\Category
Chris@0:      */
Chris@0:     public function getCategories()
Chris@0:     {
Chris@0:         if (array_key_exists('categories', $this->data)) {
Chris@0:             return $this->data['categories'];
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->getAtomType() == Reader\Reader::TYPE_ATOM_10) {
Chris@0:             $list = $this->getXpath()->query($this->getXpathPrefix() . '//atom:category');
Chris@0:         } else {
Chris@0:             /**
Chris@0:              * Since Atom 0.3 did not support categories, it would have used the
Chris@0:              * Dublin Core extension. However there is a small possibility Atom 0.3
Chris@0:              * may have been retrofitted to use Atom 1.0 instead.
Chris@0:              */
Chris@0:             $this->getXpath()->registerNamespace('atom10', Reader\Reader::NAMESPACE_ATOM_10);
Chris@0:             $list = $this->getXpath()->query($this->getXpathPrefix() . '//atom10:category');
Chris@0:         }
Chris@0: 
Chris@0:         if ($list->length) {
Chris@0:             $categoryCollection = new Collection\Category;
Chris@0:             foreach ($list as $category) {
Chris@0:                 $categoryCollection[] = [
Chris@0:                     'term' => $category->getAttribute('term'),
Chris@0:                     'scheme' => $category->getAttribute('scheme'),
Chris@0:                     'label' => $category->getAttribute('label')
Chris@0:                 ];
Chris@0:             }
Chris@0:         } else {
Chris@0:             return new Collection\Category;
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['categories'] = $categoryCollection;
Chris@0: 
Chris@0:         return $this->data['categories'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get source feed metadata from the entry
Chris@0:      *
Chris@0:      * @return Reader\Feed\Atom\Source|null
Chris@0:      */
Chris@0:     public function getSource()
Chris@0:     {
Chris@0:         if (array_key_exists('source', $this->data)) {
Chris@0:             return $this->data['source'];
Chris@0:         }
Chris@0: 
Chris@0:         $source = null;
Chris@0:         // TODO: Investigate why _getAtomType() fails here. Is it even needed?
Chris@0:         if ($this->getType() == Reader\Reader::TYPE_ATOM_10) {
Chris@0:             $list = $this->getXpath()->query($this->getXpathPrefix() . '/atom:source[1]');
Chris@0:             if ($list->length) {
Chris@0:                 $element = $list->item(0);
Chris@0:                 $source = new Reader\Feed\Atom\Source($element, $this->getXpathPrefix());
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $this->data['source'] = $source;
Chris@0:         return $this->data['source'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      *  Attempt to absolutise the URI, i.e. if a relative URI apply the
Chris@0:      *  xml:base value as a prefix to turn into an absolute URI.
Chris@0:      *
Chris@0:      * @param $link
Chris@0:      * @return string
Chris@0:      */
Chris@0:     protected function absolutiseUri($link)
Chris@0:     {
Chris@12:         if (! Uri::factory($link)->isAbsolute()) {
Chris@0:             if ($this->getBaseUrl() !== null) {
Chris@0:                 $link = $this->getBaseUrl() . $link;
Chris@12:                 if (! Uri::factory($link)->isValid()) {
Chris@0:                     $link = null;
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:         return $link;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get an author entry
Chris@0:      *
Chris@0:      * @param DOMElement $element
Chris@0:      * @return string
Chris@0:      */
Chris@0:     protected function getAuthorFromElement(DOMElement $element)
Chris@0:     {
Chris@0:         $author = [];
Chris@0: 
Chris@0:         $emailNode = $element->getElementsByTagName('email');
Chris@0:         $nameNode  = $element->getElementsByTagName('name');
Chris@0:         $uriNode   = $element->getElementsByTagName('uri');
Chris@0: 
Chris@0:         if ($emailNode->length && strlen($emailNode->item(0)->nodeValue) > 0) {
Chris@0:             $author['email'] = $emailNode->item(0)->nodeValue;
Chris@0:         }
Chris@0: 
Chris@0:         if ($nameNode->length && strlen($nameNode->item(0)->nodeValue) > 0) {
Chris@0:             $author['name'] = $nameNode->item(0)->nodeValue;
Chris@0:         }
Chris@0: 
Chris@0:         if ($uriNode->length && strlen($uriNode->item(0)->nodeValue) > 0) {
Chris@0:             $author['uri'] = $uriNode->item(0)->nodeValue;
Chris@0:         }
Chris@0: 
Chris@0:         if (empty($author)) {
Chris@0:             return;
Chris@0:         }
Chris@0:         return $author;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Register the default namespaces for the current feed format
Chris@0:      */
Chris@0:     protected function registerNamespaces()
Chris@0:     {
Chris@0:         switch ($this->getAtomType()) {
Chris@0:             case Reader\Reader::TYPE_ATOM_03:
Chris@0:                 $this->getXpath()->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_03);
Chris@0:                 break;
Chris@0:             default:
Chris@0:                 $this->getXpath()->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_10);
Chris@0:                 break;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Detect the presence of any Atom namespaces in use
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     protected function getAtomType()
Chris@0:     {
Chris@0:         $dom = $this->getDomDocument();
Chris@0:         $prefixAtom03 = $dom->lookupPrefix(Reader\Reader::NAMESPACE_ATOM_03);
Chris@0:         $prefixAtom10 = $dom->lookupPrefix(Reader\Reader::NAMESPACE_ATOM_10);
Chris@0:         if ($dom->isDefaultNamespace(Reader\Reader::NAMESPACE_ATOM_03)
Chris@12:         || ! empty($prefixAtom03)) {
Chris@0:             return Reader\Reader::TYPE_ATOM_03;
Chris@0:         }
Chris@0:         if ($dom->isDefaultNamespace(Reader\Reader::NAMESPACE_ATOM_10)
Chris@12:         || ! empty($prefixAtom10)) {
Chris@0:             return Reader\Reader::TYPE_ATOM_10;
Chris@0:         }
Chris@0:     }
Chris@0: }