StringHandler.php at 11.1.0 · WooCommerce

woocommerce / lib / packages / Symfony / Component / CssSelector / Parser / Handler / StringHandler.php

StringHandler.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Handler;
13
14	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Exception\InternalErrorException;
15	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Exception\SyntaxErrorException;
16	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Reader;
17	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Token;
18	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
19	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
20	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\TokenStream;
21
22	/**
23	* CSS selector comment handler.
24	*
25	* This component is a port of the Python cssselect library,
26	* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
27	*
28	* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
29	*
30	* @internal
31	*/
32	class StringHandler implements HandlerInterface
33	{
34	private $patterns;
35	private $escaping;
36
37	public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
38	{
39	$this->patterns = $patterns;
40	$this->escaping = $escaping;
41	}
42
43	/**
44	* {@inheritdoc}
45	*/
46	public function handle(Reader $reader, TokenStream $stream): bool
47	{
48	$quote = $reader->getSubstring(1);
49
50	if (!\in_array($quote, ["'", '"'])) {
51	return false;
52	}
53
54	$reader->moveForward(1);
55	$match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote));
56
57	if (!$match) {
58	throw new InternalErrorException(sprintf('Should have found at least an empty match at %d.', $reader->getPosition()));
59	}
60
61	// check unclosed strings
62	if (\strlen($match[0]) === $reader->getRemainingLength()) {
63	throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
64	}
65
66	// check quotes pairs validity
67	if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {
68	throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
69	}
70
71	$string = $this->escaping->escapeUnicodeAndNewLine($match[0]);
72	$stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));
73	$reader->moveForward(\strlen($match[0]) + 1);
74
75	return true;
76	}
77	}
78