Файл: gapps/vendor/symfony/css-selector/Parser/Tokenizer/TokenizerPatterns.php
Строк: 186
<?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 SymfonyComponentCssSelectorParserTokenizer;
/**
* 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})(?:rn|[ nrtf])?';
$this->simpleEscapePattern = '\\(.)';
$this->newLineEscapePattern = '\\(?:n|rn|r|f)';
$this->escapePattern = $this->unicodeEscapePattern.'|\\[^nrf0-9a-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]+)';
$this->quotedStringPattern = '([^nrf%s]|'.$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';
}
}