/**
* Build an XML document for this channel
*/
private function build_document()
{
/* Build the channel and description properties*/
$channel = new AnewtXMLDomElement('channel');
foreach ($this->properties as $property => $property_spec) {
list($tagname, $status, $type) = $property_spec;
$element = AnewtRssChannel::_build_rss_element($this, $property, $tagname, $status, $type);
if (is_null($element)) {
continue;
}
$channel->append_child($element);
unset($element);
}
/* Always add 'docs' element */
$d = new AnewtXMLDomElement('docs');
$d->append_child(new AnewtXMLDomText('http://www.rssboard.org/rss-specification'));
$channel->append_child($d);
/* Add an atom:link element. Only call the canonical_url() method if no
* explicit url was provided. */
$url = $this->_get('url');
if (is_null($url)) {
$url = AnewtRequest::canonical_url();
}
$channel->append_child(new AnewtXMLDomElement('atom:link', array('href' => $url, 'rel' => 'self', 'type' => $this->_get('content-type'))));
/* Loop over items in the channel and append those */
foreach ($this->items as $item) {
$channel->append_child($item->_build_element());
}
/* Final output */
$document = new AnewtXMLDomDocument();
$document->set_content_type($this->_get('content-type'));
$document->set_encoding($this->_get('encoding'));
$rss = new AnewtXMLDomElement('rss', array('version' => '2.0', 'xmlns:atom' => 'http://www.w3.org/2005/Atom'));
$rss->append_child($channel);
$document->append_child($rss);
return $document;
}
