<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

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

 * file that was distributed with this source code.

 */

namespace Symfony\Component\CssSelector\Node;

use Symfony\Component\CssSelector\XPathExpr;

/**

 * HashNode represents a "selector#id" node.

 *

 * This component is a port of the Python lxml library,

 * which is copyright Infrae and distributed under the BSD license.

 *

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

 */

class HashNode implements NodeInterface

{

    protected $selector;

    protected $id;

    /**

     * Constructor.

     *

     * @param NodeInterface $selector The NodeInterface object

     * @param string $id The ID

     */

    public function __construct($selector, $id)

    {

        $this->selector = $selector;

        $this->id = $id;

    }

    /**

     * {@inheritDoc}

     */

    public function __toString()

    {

        return sprintf('%s[%s#%s]', __CLASS__, $this->selector, $this->id);

    }

    /**

     * {@inheritDoc}

     */

    public function toXpath()

    {

        $path = $this->selector->toXpath();

        $path->addCondition(sprintf('@id = %s', XPathExpr::xpathLiteral($this->id)));

        return $path;

    }

}