lainchan/inc/lib/Twig/Node/Expression/Test/Constant.php

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2013-08-01 15:20:12 -04:00
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks if a variable is the exact same value as a constant.
*
* <pre>
* {% if post.status is constant('Post::PUBLISHED') %}
* the status attribute is exactly the same as Post::PUBLISHED
* {% endif %}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
{
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(')
->subcompile($this->getNode('node'))
->raw(' === constant(')
;
if ($this->getNode('arguments')->hasNode(1)) {
$compiler
->raw('get_class(')
->subcompile($this->getNode('arguments')->getNode(1))
->raw(')."::".')
;
}
$compiler
->subcompile($this->getNode('arguments')->getNode(0))
->raw('))')
;
}
}