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<?php
abstract class FeedItem_Common extends FeedItem {
protected $elem;
protected $xpath;
protected $doc;
function __construct($elem, $doc, $xpath) {
$this->elem = $elem;
$this->xpath = $xpath;
$this->doc = $doc;
$source = $elem->getElementsByTagName("source")->item(0);
// we don't need <source> element
if ($source)
$elem->removeChild($source);
}
function get_author() {
$author = $this->elem->getElementsByTagName("author")->item(0);
if ($author) {
$name = $author->getElementsByTagName("name")->item(0);
if ($name) return $name->nodeValue;
$email = $author->getElementsByTagName("email")->item(0);
if ($email) return $email->nodeValue;
if ($author->nodeValue)
return $author->nodeValue;
}
$author = $this->xpath->query("dc:creator", $this->elem)->item(0);
if ($author) {
return $author->nodeValue;
}
}
// todo
function get_comments_url() {
}
function get_comments_count() {
$comments = $this->xpath->query("slash:comments", $this->elem)->item(0);
if ($comments) {
return $comments->nodeValue;
}
}
}
?>
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