/**
* Return content
*
* @return string
*
* @throws \Mekras\Atom\Exception\MalformedNodeException If there is no required element.
*
* @since 1.0
*
* @link https://tools.ietf.org/html/rfc4287#section-4.1.3.3
*/
public function getContent()
{
return $this->getCachedProperty('content', function () {
$type = $this->getType();
if ('text' === $type || 'html' === $type) {
return $this->getDomElement()->textContent;
} elseif ('xhtml' === $type) {
/** @var \DOMElement $xhtml */
$xhtml = $this->query('xhtml:div', Node::SINGLE | Node::REQUIRED);
return Xhtml::extract($xhtml);
} elseif ($this->isXmlMimeType($type)) {
/** @var \DOMElement $xml */
$xml = $this->query('*', Node::SINGLE | Node::REQUIRED);
return $this->getDomElement()->ownerDocument->saveXML($xml);
} elseif (stripos($type, 'text/') === 0) {
return $this->getDomElement()->textContent;
}
return base64_decode($this->getDomElement()->textContent);
});
}
/**
* Return string value.
*
* @return string
*/
private function parseContent()
{
if ($this->getType() === 'xhtml') {
try {
/** @var \DOMElement $xhtml */
$xhtml = $this->query('xhtml:div', Node::SINGLE | Node::REQUIRED);
} catch (MalformedNodeException $e) {
return '';
}
return Xhtml::extract($xhtml);
}
return $this->getDomElement()->textContent;
}