abadd5bc38
Modified some paths to be more generic and not require rewrite. Some instances of phase names have been changed, others are still in process.
55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2011 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Checks if a variable is defined in the current context.
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*
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* <pre>
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* {# defined works with variable names and variable attributes #}
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* {% if foo is defined %}
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* {# ... #}
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* {% endif %}
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* </pre>
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Node_Expression_Test_Defined extends Twig_Node_Expression_Test
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{
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public function __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno)
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{
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parent::__construct($node, $name, $arguments, $lineno);
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if ($node instanceof Twig_Node_Expression_Name) {
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$node->setAttribute('is_defined_test', true);
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} elseif ($node instanceof Twig_Node_Expression_GetAttr) {
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$node->setAttribute('is_defined_test', true);
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$this->changeIgnoreStrictCheck($node);
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} else {
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throw new Twig_Error_Syntax('The "defined" test only works with simple variables', $this->getLine());
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}
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}
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protected function changeIgnoreStrictCheck(Twig_Node_Expression_GetAttr $node)
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{
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$node->setAttribute('ignore_strict_check', true);
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if ($node->getNode('node') instanceof Twig_Node_Expression_GetAttr) {
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$this->changeIgnoreStrictCheck($node->getNode('node'));
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}
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}
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public function compile(Twig_Compiler $compiler)
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{
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$compiler->subcompile($this->getNode('node'));
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}
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}
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