/**
* @param Parser $parser
* @param Stream $stream
* @param $parentTemplate
*
* @return ClassNode
*/
private function parseClass(Parser $parser, Stream $stream, $parentTemplate)
{
$oldClassNode = $parser->getCurrentClassNode();
$fileNode = $parser->getCurrentFileNode();
/** @var $classNode ClassNode */
$classNode = $fileNode->addClass($fileNode->getNextEmbeddedTemplateName());
$classNode->setParentTemplate($parentTemplate);
$parser->setCurrentClassNode($classNode);
$classNode->addChild($parser->parseBlock($stream, 'endembed'), ClassNode::MAIN_TEMPLATE_BLOCK);
$stream->expect(Token::TAG_END);
$parser->setCurrentClassNode($oldClassNode);
return $classNode->getClassName();
}