<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a set node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Set extends Twig_Node

{

    public function __construct($capture, Twig_NodeInterface $names, Twig_NodeInterface $values, $lineno, $tag = null)

    {

        parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler->addDebugInfo($this);

        if (count($this->getNode('names')) > 1) {

            $compiler->write('list(');

            foreach ($this->getNode('names') as $idx => $node) {

                if ($idx) {

                    $compiler->raw(', ');

                }

                $compiler->subcompile($node);

            }

            $compiler->raw(')');

        } else {

            if ($this->getAttribute('capture')) {

                $compiler

                    ->write("ob_start();\n")

                    ->subcompile($this->getNode('values'))

                ;

            }

            $compiler->subcompile($this->getNode('names'), false);

            if ($this->getAttribute('capture')) {

                $compiler->raw(" = new Twig_Markup(ob_get_clean())");

            }

        }

        if (!$this->getAttribute('capture')) {

            $compiler->raw(' = ');

            if (count($this->getNode('names')) > 1) {

                $compiler->write('array(');

                foreach ($this->getNode('values') as $idx => $value) {

                    if ($idx) {

                        $compiler->raw(', ');

                    }

                    $compiler->subcompile($value);

                }

                $compiler->raw(')');

            } else {

                $compiler->subcompile($this->getNode('values'));

            }

        }

        $compiler->raw(";\n");

    }

}