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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) 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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* Internal node used by the for 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_ForLoop extends Twig_Node
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{
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public function __construct($lineno, $tag = null)
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{
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parent::__construct(array(), array('with_loop' => false, 'ifexpr' => false, 'else' => false), $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 $compiler)
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{
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if ($this->getAttribute('else')) {
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$compiler->write("\$context['_iterated'] = true;\n");
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}
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if ($this->getAttribute('with_loop')) {
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$compiler
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->write("++\$context['loop']['index0'];\n")
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->write("++\$context['loop']['index'];\n")
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->write("\$context['loop']['first'] = false;\n")
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;
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if (!$this->getAttribute('ifexpr')) {
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$compiler
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->write("if (isset(\$context['loop']['length'])) {\n")
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->indent()
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->write("--\$context['loop']['revindex0'];\n")
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->write("--\$context['loop']['revindex'];\n")
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->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
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->outdent()
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->write("}\n")
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;
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}
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}
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}
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}
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