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;
13
14/**
15 * CSS selector reader.
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 Reader
25{
26 private int $length;
27 private int $position = 0;
28
29 public function __construct(
30 private string $source,
31 ) {
32 $this->length = \strlen($source);
33 }
34
35 public function isEOF(): bool
36 {
37 return $this->position >= $this->length;
38 }
39
40 public function getPosition(): int
41 {
42 return $this->position;
43 }
44
45 public function getRemainingLength(): int
46 {
47 return $this->length - $this->position;
48 }
49
50 public function getSubstring(int $length, int $offset = 0): string
51 {
52 return substr($this->source, $this->position + $offset, $length);
53 }
54
55 public function getOffset(string $string): int|false
56 {
57 $position = strpos($this->source, $string, $this->position);
58
59 return false === $position ? false : $position - $this->position;
60 }
61
62 public function findPattern(string $pattern): array|false
63 {
64 $source = substr($this->source, $this->position);
65
66 if (preg_match($pattern, $source, $matches)) {
67 return $matches;
68 }
69
70 return false;
71 }
72
73 public function moveForward(int $length): void
74 {
75 $this->position += $length;
76 }
77
78 public function moveToEnd(): void
79 {
80 $this->position = $this->length;
81 }
82}