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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Feed\Writer\Extension\Threading\Renderer;
use DOMDocument;
use DOMElement;
use Zend\Feed\Writer\Extension;
/**
*/
class Entry extends Extension\AbstractRenderer
{
/**
* Set to TRUE if a rendering method actually renders something. This
* is used to prevent premature appending of a XML namespace declaration
* until an element which requires it is actually appended.
*
* @var bool
*/
protected $called = false;
/**
* Render entry
*
* @return void
*/
public function render()
{
if (strtolower($this->getType()) == 'rss') {
return; // Atom 1.0 only
}
$this->_setCommentLink($this->dom, $this->base);
$this->_setCommentFeedLinks($this->dom, $this->base);
$this->_setCommentCount($this->dom, $this->base);
if ($this->called) {
$this->_appendNamespaces();
}
}
/**
* Append entry namespaces
*
* @return void
*/
protected function _appendNamespaces()
{
$this->getRootElement()->setAttribute('xmlns:thr',
'http://purl.org/syndication/thread/1.0');
}
/**
* Set comment link
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentLink(DOMDocument $dom, DOMElement $root)
{
$link = $this->getDataContainer()->getCommentLink();
if (!$link) {
return;
}
$clink = $this->dom->createElement('link');
$clink->setAttribute('rel', 'replies');
$clink->setAttribute('type', 'text/html');
$clink->setAttribute('href', $link);
$count = $this->getDataContainer()->getCommentCount();
if ($count !== null) {
$clink->setAttribute('thr:count', $count);
}
$root->appendChild($clink);
$this->called = true;
}
/**
* Set comment feed links
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)
{
$links = $this->getDataContainer()->getCommentFeedLinks();
if (!$links || empty($links)) {
return;
}
foreach ($links as $link) {
$flink = $this->dom->createElement('link');
$flink->setAttribute('rel', 'replies');
$flink->setAttribute('type', 'application/' . $link['type'] . '+xml');
$flink->setAttribute('href', $link['uri']);
$count = $this->getDataContainer()->getCommentCount();
if ($count !== null) {
$flink->setAttribute('thr:count', $count);
}
$root->appendChild($flink);
$this->called = true;
}
}
/**
* Set entry comment count
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentCount(DOMDocument $dom, DOMElement $root)
{
$count = $this->getDataContainer()->getCommentCount();
if ($count === null) {
return;
}
$tcount = $this->dom->createElement('thr:total');
$tcount->nodeValue = $count;
$root->appendChild($tcount);
$this->called = true;
}
}
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