Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Tokenizer

TokenizerPatterns{} │ WC 1.0

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.

No Hooks.

Usage

$TokenizerPatterns = new TokenizerPatterns();
// use class methods

Methods

1. public __construct()
2. public getHashPattern()
3. public getIdentifierPattern()
4. public getNewLineEscapePattern()
5. public getNumberPattern()
6. public getQuotedStringPattern(string $quote)
7. public getSimpleEscapePattern()
8. public getUnicodeEscapePattern()

TokenizerPatterns{} TokenizerPatterns{} code ^{WC 10.5.0}

class TokenizerPatterns
{
    private $unicodeEscapePattern;
    private $simpleEscapePattern;
    private $newLineEscapePattern;
    private $escapePattern;
    private $stringEscapePattern;
    private $nonAsciiPattern;
    private $nmCharPattern;
    private $nmStartPattern;
    private $identifierPattern;
    private $hashPattern;
    private $numberPattern;
    private $quotedStringPattern;

    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.')*';
    }

    public function getNewLineEscapePattern(): string
    {
        return '~'.$this->newLineEscapePattern.'~';
    }

    public function getSimpleEscapePattern(): string
    {
        return '~'.$this->simpleEscapePattern.'~';
    }

    public function getUnicodeEscapePattern(): string
    {
        return '~'.$this->unicodeEscapePattern.'~i';
    }

    public function getIdentifierPattern(): string
    {
        return '~^'.$this->identifierPattern.'~i';
    }

    public function getHashPattern(): string
    {
        return '~^'.$this->hashPattern.'~i';
    }

    public function getNumberPattern(): string
    {
        return '~^'.$this->numberPattern.'~';
    }

    public function getQuotedStringPattern(string $quote): string
    {
        return '~^'.sprintf($this->quotedStringPattern, $quote).'~i';
    }
}