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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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* (c) 2009 Armin Ronacher
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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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* Represents an if node.
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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_If extends Twig_Node
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{
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public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)
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{
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parent::__construct(array('tests' => $tests, 'else' => $else), array(), $lineno, $tag);
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}
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/**
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* Compiles the node to PHP.
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*
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* @param Twig_Compiler A Twig_Compiler instance
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*/
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public function compile(Twig_Compiler $compiler)
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{
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$compiler->addDebugInfo($this);
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for ($i = 0; $i < count($this->getNode('tests')); $i += 2) {
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if ($i > 0) {
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$compiler
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->outdent()
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->write("} elseif (")
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;
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} else {
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$compiler
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->write('if (')
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;
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}
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$compiler
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->subcompile($this->getNode('tests')->getNode($i))
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->raw(") {\n")
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->indent()
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->subcompile($this->getNode('tests')->getNode($i + 1))
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;
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}
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if ($this->hasNode('else') && null !== $this->getNode('else')) {
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$compiler
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->outdent()
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->write("} else {\n")
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->indent()
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->subcompile($this->getNode('else'))
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;
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}
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$compiler
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->outdent()
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->write("}\n");
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}
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}
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