<?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\Parser\Handler;

use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Exception\InternalErrorException;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Exception\SyntaxErrorException;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Parser\Reader;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Parser\Token;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
use FluentEmogrifier\Vendor\Symfony\Component\CssSelector\Parser\TokenStream;
/**
 * CSS selector comment 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 StringHandler implements HandlerInterface
{
    public function __construct(private TokenizerPatterns $patterns, private TokenizerEscaping $escaping)
    {
    }
    public function handle(Reader $reader, TokenStream $stream) : bool
    {
        $quote = $reader->getSubstring(1);
        if (!\in_array($quote, ["'", '"'])) {
            return \false;
        }
        $reader->moveForward(1);
        $match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote));
        if (!$match) {
            throw new InternalErrorException(
                sprintf(
                    /* translators: %d: The position in the reader where the match was expected. */
                    esc_html__('Should have found at least an empty match at %d.', 'fluent-cart'),
                    esc_html($reader->getPosition())
                )
            );

        }
        // check unclosed strings
        if (\strlen($match[0]) === $reader->getRemainingLength()) {
            throw SyntaxErrorException::unclosedString(esc_html($reader->getPosition() - 1));
        }
        // check quotes pairs validity
        if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {
            throw SyntaxErrorException::unclosedString(esc_html($reader->getPosition() - 1));
        }
        $string = $this->escaping->escapeUnicodeAndNewLine($match[0]);
        $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));
        $reader->moveForward(\strlen($match[0]) + 1);
        return \true;
    }
}
