friendship ended with social-app. php is my new best friend
veryroundbird.house
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
12namespace Symfony\Component\CssSelector\Parser\Tokenizer;
13
14/**
15 * CSS selector tokenizer patterns builder.
16 *
17 * This component is a port of the Python cssselect library,
18 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
19 *
20 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
21 *
22 * @internal
23 */
24class TokenizerPatterns
25{
26 private string $unicodeEscapePattern;
27 private string $simpleEscapePattern;
28 private string $newLineEscapePattern;
29 private string $escapePattern;
30 private string $stringEscapePattern;
31 private string $nonAsciiPattern;
32 private string $nmCharPattern;
33 private string $nmStartPattern;
34 private string $identifierPattern;
35 private string $hashPattern;
36 private string $numberPattern;
37 private string $quotedStringPattern;
38
39 public function __construct()
40 {
41 $this->unicodeEscapePattern = '\\\\([0-9a-f]{1,6})(?:\r\n|[ \n\r\t\f])?';
42 $this->simpleEscapePattern = '\\\\(.)';
43 $this->newLineEscapePattern = '\\\\(?:\n|\r\n|\r|\f)';
44 $this->escapePattern = $this->unicodeEscapePattern.'|\\\\[^\n\r\f0-9a-f]';
45 $this->stringEscapePattern = $this->newLineEscapePattern.'|'.$this->escapePattern;
46 $this->nonAsciiPattern = '[^\x00-\x7F]';
47 $this->nmCharPattern = '[_a-z0-9-]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
48 $this->nmStartPattern = '[_a-z]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
49 $this->identifierPattern = '-?(?:'.$this->nmStartPattern.')(?:'.$this->nmCharPattern.')*';
50 $this->hashPattern = '#((?:'.$this->nmCharPattern.')+)';
51 $this->numberPattern = '[+-]?(?:[0-9]*\.[0-9]+|[0-9]+)';
52 $this->quotedStringPattern = '([^\n\r\f\\\\%s]|'.$this->stringEscapePattern.')*';
53 }
54
55 public function getNewLineEscapePattern(): string
56 {
57 return '~'.$this->newLineEscapePattern.'~';
58 }
59
60 public function getSimpleEscapePattern(): string
61 {
62 return '~'.$this->simpleEscapePattern.'~';
63 }
64
65 public function getUnicodeEscapePattern(): string
66 {
67 return '~'.$this->unicodeEscapePattern.'~i';
68 }
69
70 public function getIdentifierPattern(): string
71 {
72 return '~^'.$this->identifierPattern.'~i';
73 }
74
75 public function getHashPattern(): string
76 {
77 return '~^'.$this->hashPattern.'~i';
78 }
79
80 public function getNumberPattern(): string
81 {
82 return '~^'.$this->numberPattern.'~';
83 }
84
85 public function getQuotedStringPattern(string $quote): string
86 {
87 return '~^'.\sprintf($this->quotedStringPattern, $quote).'~i';
88 }
89}