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<?php
/**
* @package Gantry5
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2017 RocketTheme, LLC
* @license Dual License: MIT or GNU/GPLv2 and later
*
* http://opensource.org/licenses/MIT
* http://www.gnu.org/licenses/gpl-2.0.html
*
* Gantry Framework code that extends GPL code is considered GNU/GPLv2 and later
*/
namespace Gantry\Component\Twig;
/**
* Tests a condition.
*
* <pre>
* {% try %}
* <li>{{ user.get('name') }}</li>
* {% catch %}
* {{ e }}
* {% endtry %}
* </pre>
*/
class TokenParserTry extends \Twig_TokenParser
{
/**
* Parses a token and returns a node.
*
* @param \Twig_Token $token A Twig_Token instance
*
* @return \Twig_NodeInterface A Twig_NodeInterface instance
*/
public function parse(\Twig_Token $token)
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$try = $this->parser->subparse([$this, 'decideCatch']);
$stream->next();
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$catch = $this->parser->subparse([$this, 'decideEnd']);
$stream->next();
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
return new TwigNodeTry($try, $catch, $lineno, $this->getTag());
}
public function decideCatch(\Twig_Token $token)
{
return $token->test(array('catch'));
}
public function decideEnd(\Twig_Token $token)
{
return $token->test(array('endtry'));
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'try';
}
}