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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents an if node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_If extends Twig_Node
{
public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)
{
$nodes = array('tests' => $tests);
if (null !== $else) {
$nodes['else'] = $else;
}
parent::__construct($nodes, array(), $lineno, $tag);
}
public function compile(Twig_Compiler $compiler)
{
$compiler->addDebugInfo($this);
for ($i = 0, $count = count($this->getNode('tests')); $i < $count; $i += 2) {
if ($i > 0) {
$compiler
->outdent()
->write('} elseif (')
;
} else {
$compiler
->write('if (')
;
}
$compiler
->subcompile($this->getNode('tests')->getNode($i))
->raw(") {\n")
->indent()
->subcompile($this->getNode('tests')->getNode($i + 1))
;
}
if ($this->hasNode('else')) {
$compiler
->outdent()
->write("} else {\n")
->indent()
->subcompile($this->getNode('else'))
;
}
$compiler
->outdent()
->write("}\n");
}
}