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60 lines
1.9 KiB
60 lines
1.9 KiB
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2010 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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class Twig_Node_Expression_Test extends Twig_Node_Expression
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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(array('node' => $node, 'arguments' => $arguments), array('name' => $name), $lineno);
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}
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public function compile(Twig_Compiler $compiler)
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{
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$testMap = $compiler->getEnvironment()->getTests();
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if (!isset($testMap[$this->getAttribute('name')])) {
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throw new Twig_Error_Syntax(sprintf('The test "%s" does not exist', $this->getAttribute('name')), $this->getLine());
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}
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$name = $this->getAttribute('name');
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$node = $this->getNode('node');
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// defined is a special case
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if ('defined' === $name) {
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if ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr) {
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$node->setAttribute('is_defined_test', true);
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$compiler->subcompile($node);
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$node->removeAttribute('is_defined_test');
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} else {
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throw new Twig_Error_Syntax('The "defined" test only works with simple variables', $this->getLine());
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}
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return;
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}
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$compiler
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->raw($testMap[$name]->compile().'(')
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->subcompile($node)
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;
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if (null !== $this->getNode('arguments')) {
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$compiler->raw(', ');
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$max = count($this->getNode('arguments')) - 1;
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foreach ($this->getNode('arguments') as $i => $arg) {
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$compiler->subcompile($arg);
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if ($i != $max) {
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$compiler->raw(', ');
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}
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}
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}
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$compiler->raw(')');
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}
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}
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