<?php
 
/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
 
/**
 * Represents a node in the AST.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_Node implements Countable, IteratorAggregate
{
    protected $nodes;
    protected $attributes;
    protected $lineno;
    protected $tag;
 
    private $name;
 
    /**
     * Constructor.
     *
     * The nodes are automatically made available as properties ($this->node).
     * The attributes are automatically made available as array items ($this['name']).
     *
     * @param array  $nodes      An array of named nodes
     * @param array  $attributes An array of attributes (should not be nodes)
     * @param int    $lineno     The line number
     * @param string $tag        The tag name associated with the Node
     */
    public function __construct(array $nodes = array(), array $attributes = array(), $lineno = 0, $tag = null)
    {
        foreach ($nodes as $name => $node) {