| /vendor/symfony/css-selector/Parser/Tokenizer/TokenizerPatterns.php |
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| @@ -0,0 +1,162 @@ |
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| <?php |
| |
| /* |
| * This file is part of the Symfony package. |
| * |
| * (c) Fabien Potencier <fabien@symfony.com> |
| * |
| * For the full copyright and license information, please view the LICENSE |
| * file that was distributed with this source code. |
| */ |
| |
| namespace Symfony\Component\CssSelector\Parser\Tokenizer; |
| |
| /** |
| * CSS selector tokenizer patterns builder. |
| * |
| * This component is a port of the Python cssselect library, |
| * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| * |
| * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
| * |
| * @internal |
| */ |
| class TokenizerPatterns |
| { |
| /** |
| * @var string |
| */ |
| private $unicodeEscapePattern; |
| |
| /** |
| * @var string |
| */ |
| private $simpleEscapePattern; |
| |
| /** |
| * @var string |
| */ |
| private $newLineEscapePattern; |
| |
| /** |
| * @var string |
| */ |
| private $escapePattern; |
| |
| /** |
| * @var string |
| */ |
| private $stringEscapePattern; |
| |
| /** |
| * @var string |
| */ |
| private $nonAsciiPattern; |
| |
| /** |
| * @var string |
| */ |
| private $nmCharPattern; |
| |
| /** |
| * @var string |
| */ |
| private $nmStartPattern; |
| |
| /** |
| * @var string |
| */ |
| private $identifierPattern; |
| |
| /** |
| * @var string |
| */ |
| private $hashPattern; |
| |
| /** |
| * @var string |
| */ |
| private $numberPattern; |
| |
| /** |
| * @var string |
| */ |
| private $quotedStringPattern; |
| |
| /** |
| * Constructor. |
| */ |
| public function __construct() |
| { |
| $this->unicodeEscapePattern = '\\\\([0-9a-f]{1,6})(?:\r\n|[ \n\r\t\f])?'; |
| $this->simpleEscapePattern = '\\\\(.)'; |
| $this->newLineEscapePattern = '\\\\(?:\n|\r\n|\r|\f)'; |
| $this->escapePattern = $this->unicodeEscapePattern.'|\\\\[^\n\r\f0-9a-f]'; |
| $this->stringEscapePattern = $this->newLineEscapePattern.'|'.$this->escapePattern; |
| $this->nonAsciiPattern = '[^\x00-\x7F]'; |
| $this->nmCharPattern = '[_a-z0-9-]|'.$this->escapePattern.'|'.$this->nonAsciiPattern; |
| $this->nmStartPattern = '[_a-z]|'.$this->escapePattern.'|'.$this->nonAsciiPattern; |
| $this->identifierPattern = '(?:'.$this->nmStartPattern.')(?:'.$this->nmCharPattern.')*'; |
| $this->hashPattern = '#((?:'.$this->nmCharPattern.')+)'; |
| $this->numberPattern = '[+-]?(?:[0-9]*\.[0-9]+|[0-9]+)'; |
| $this->quotedStringPattern = '([^\n\r\f%s]|'.$this->stringEscapePattern.')*'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getNewLineEscapePattern() |
| { |
| return '~^'.$this->newLineEscapePattern.'~'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getSimpleEscapePattern() |
| { |
| return '~^'.$this->simpleEscapePattern.'~'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getUnicodeEscapePattern() |
| { |
| return '~^'.$this->unicodeEscapePattern.'~i'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getIdentifierPattern() |
| { |
| return '~^'.$this->identifierPattern.'~i'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getHashPattern() |
| { |
| return '~^'.$this->hashPattern.'~i'; |
| } |
| |
| /** |
| * @return string |
| */ |
| public function getNumberPattern() |
| { |
| return '~^'.$this->numberPattern.'~'; |
| } |
| |
| /** |
| * @param string $quote |
| * |
| * @return string |
| */ |
| public function getQuotedStringPattern($quote) |
| { |
| return '~^'.sprintf($this->quotedStringPattern, $quote).'~i'; |
| } |
| } |
