woocommerce
/
lib
/
packages
/
Symfony
/
Component
/
CssSelector
/
Parser
/
Tokenizer
/
Tokenizer.php
woocommerce
/
lib
/
packages
/
Symfony
/
Component
/
CssSelector
/
Parser
/
Tokenizer
Last commit date
Tokenizer.php
7 months ago
TokenizerEscaping.php
7 months ago
TokenizerPatterns.php
7 months ago
Tokenizer.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 | |
| 12 | namespace Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer; |
| 13 | |
| 14 | use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Handler; |
| 15 | use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Reader; |
| 16 | use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Token; |
| 17 | use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\TokenStream; |
| 18 | |
| 19 | /** |
| 20 | * CSS selector tokenizer. |
| 21 | * |
| 22 | * This component is a port of the Python cssselect library, |
| 23 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| 24 | * |
| 25 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
| 26 | * |
| 27 | * @internal |
| 28 | */ |
| 29 | class Tokenizer |
| 30 | { |
| 31 | /** |
| 32 | * @var Handler\HandlerInterface[] |
| 33 | */ |
| 34 | private $handlers; |
| 35 | |
| 36 | public function __construct() |
| 37 | { |
| 38 | $patterns = new TokenizerPatterns(); |
| 39 | $escaping = new TokenizerEscaping($patterns); |
| 40 | |
| 41 | $this->handlers = [ |
| 42 | new Handler\WhitespaceHandler(), |
| 43 | new Handler\IdentifierHandler($patterns, $escaping), |
| 44 | new Handler\HashHandler($patterns, $escaping), |
| 45 | new Handler\StringHandler($patterns, $escaping), |
| 46 | new Handler\NumberHandler($patterns), |
| 47 | new Handler\CommentHandler(), |
| 48 | ]; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Tokenize selector source code. |
| 53 | */ |
| 54 | public function tokenize(Reader $reader): TokenStream |
| 55 | { |
| 56 | $stream = new TokenStream(); |
| 57 | |
| 58 | while (!$reader->isEOF()) { |
| 59 | foreach ($this->handlers as $handler) { |
| 60 | if ($handler->handle($reader, $stream)) { |
| 61 | continue 2; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | $stream->push(new Token(Token::TYPE_DELIMITER, $reader->getSubstring(1), $reader->getPosition())); |
| 66 | $reader->moveForward(1); |
| 67 | } |
| 68 | |
| 69 | return $stream |
| 70 | ->push(new Token(Token::TYPE_FILE_END, null, $reader->getPosition())) |
| 71 | ->freeze(); |
| 72 | } |
| 73 | } |
| 74 |