class StringHandler

CSS selector comment handler.

This component is a port of the Python cssselect library, which is copyright Ian Bicking, @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>

@internal

Hierarchy

Expanded class hierarchy of StringHandler

See also

https://github.com/SimonSapin/cssselect.

File

vendor/symfony/css-selector/Parser/Handler/StringHandler.php, line 32

Namespace

Symfony\Component\CssSelector\Parser\Handler
View source 
class StringHandler implements HandlerInterface {
    public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping) {
    }
    public function handle(Reader $reader, TokenStream $stream) : bool {
        $quote = $reader->getSubstring(1);
        if (!\in_array($quote, [
            "'",
            '"',
        ])) {
            return false;
        }
        $reader->moveForward(1);
        $match = $reader->findPattern($this->patterns
            ->getQuotedStringPattern($quote));
        if (!$match) {
            throw new InternalErrorException(\sprintf('Should have found at least an empty match at %d.', $reader->getPosition()));
        }
        // check unclosed strings
        if (\strlen($match[0]) === $reader->getRemainingLength()) {
            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
        }
        // check quotes pairs validity
        if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {
            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
        }
        $string = $this->escaping
            ->escapeUnicodeAndNewLine($match[0]);
        $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));
        $reader->moveForward(\strlen($match[0]) + 1);
        return true;
    }

}

Members

Title Modifiers Object type Summary Overriden Title
StringHandler::handle public function Overrides HandlerInterface::handle
StringHandler::__construct public function