<?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 GatoExternalPrefixByGatoGraphQL\Symfony\Component\CssSelector\Parser\Handler;

use GatoExternalPrefixByGatoGraphQL\Symfony\Component\CssSelector\Parser\Reader;
use GatoExternalPrefixByGatoGraphQL\Symfony\Component\CssSelector\Parser\Token;
use GatoExternalPrefixByGatoGraphQL\Symfony\Component\CssSelector\Parser\TokenStream;
/**
 * CSS selector whitespace handler.
 *
 * 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 WhitespaceHandler implements HandlerInterface
{
    public function handle(Reader $reader, TokenStream $stream) : bool
    {
        $match = $reader->findPattern('~^[ \\t\\r\\n\\f]+~');
        if (\false === $match) {
            return \false;
        }
        $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition()));
        $reader->moveForward(\strlen($match[0]));
        return \true;
    }
}
