<?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 FluentEmogrifier\Vendor\Symfony\Component\CssSelector\XPath\Extension;

use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\XPath\XPathExpr;
/**
 * XPath expression translator combination extension.
 *
 * This component is a port of the Python cssselect library,
 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
 *
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 *
 * @internal
 */
class CombinationExtension extends AbstractExtension
{
    public function getCombinationTranslators() : array
    {
        return [' ' => $this->translateDescendant(...), '>' => $this->translateChild(...), '+' => $this->translateDirectAdjacent(...), '~' => $this->translateIndirectAdjacent(...)];
    }
    public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath) : XPathExpr
    {
        return $xpath->join('/descendant-or-self::*/', $combinedXpath);
    }
    public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath) : XPathExpr
    {
        return $xpath->join('/', $combinedXpath);
    }
    public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) : XPathExpr
    {
        return $xpath->join('/following-sibling::', $combinedXpath)->addNameTest()->addCondition('position() = 1');
    }
    public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) : XPathExpr
    {
        return $xpath->join('/following-sibling::', $combinedXpath);
    }
    public function getName() : string
    {
        return 'combination';
    }
}
