<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

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

 * file that was distributed with this source code.

 */

/**

 * Represents a macro node.

 *

 * @package    twig

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

 */

class Twig_Node_Macro extends Twig_Node

{

    public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null)

    {

        parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $arguments = array();

        foreach ($this->getNode('arguments') as $argument) {

            $arguments[] = '$'.$argument->getAttribute('name').' = null';

        }

        $compiler

            ->addDebugInfo($this)

            ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")

            ->indent()

            ->write("\$context = array_merge(\$this->env->getGlobals(), array(\n")

            ->indent()

        ;

        foreach ($this->getNode('arguments') as $argument) {

            $compiler

                ->write('')

                ->string($argument->getAttribute('name'))

                ->raw(' => $'.$argument->getAttribute('name'))

                ->raw(",\n")

            ;

        }

        $compiler

            ->outdent()

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

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

            ->write("try {\n")

            ->indent()

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

            ->outdent()

            ->write("} catch(Exception \$e) {\n")

            ->indent()

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

            ->write("throw \$e;\n")

            ->outdent()

            ->write("}\n\n")

            ->write("return ob_get_clean();\n")

            ->outdent()

            ->write("}\n\n")

        ;

    }

}