Handler
2 months ago
Shortcut
2 months ago
Tokenizer
2 months ago
Parser.php
2 months ago
ParserInterface.php
2 months ago
Reader.php
2 months ago
Token.php
2 months ago
TokenStream.php
2 months ago
Reader.php
74 lines
| 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 | namespace ProfilePressVendor\Symfony\Component\CssSelector\Parser; |
| 12 | |
| 13 | /** |
| 14 | * CSS selector reader. |
| 15 | * |
| 16 | * This component is a port of the Python cssselect library, |
| 17 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| 18 | * |
| 19 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
| 20 | * |
| 21 | * @internal |
| 22 | */ |
| 23 | class Reader |
| 24 | { |
| 25 | private $source; |
| 26 | private $length; |
| 27 | private $position = 0; |
| 28 | public function __construct(string $source) |
| 29 | { |
| 30 | $this->source = $source; |
| 31 | $this->length = \strlen($source); |
| 32 | } |
| 33 | public function isEOF(): bool |
| 34 | { |
| 35 | return $this->position >= $this->length; |
| 36 | } |
| 37 | public function getPosition(): int |
| 38 | { |
| 39 | return $this->position; |
| 40 | } |
| 41 | public function getRemainingLength(): int |
| 42 | { |
| 43 | return $this->length - $this->position; |
| 44 | } |
| 45 | public function getSubstring(int $length, int $offset = 0): string |
| 46 | { |
| 47 | return substr($this->source, $this->position + $offset, $length); |
| 48 | } |
| 49 | public function getOffset(string $string) |
| 50 | { |
| 51 | $position = strpos($this->source, $string, $this->position); |
| 52 | return \false === $position ? \false : $position - $this->position; |
| 53 | } |
| 54 | /** |
| 55 | * @return array|false |
| 56 | */ |
| 57 | public function findPattern(string $pattern) |
| 58 | { |
| 59 | $source = substr($this->source, $this->position); |
| 60 | if (preg_match($pattern, $source, $matches)) { |
| 61 | return $matches; |
| 62 | } |
| 63 | return \false; |
| 64 | } |
| 65 | public function moveForward(int $length) |
| 66 | { |
| 67 | $this->position += $length; |
| 68 | } |
| 69 | public function moveToEnd() |
| 70 | { |
| 71 | $this->position = $this->length; |
| 72 | } |
| 73 | } |
| 74 |