unexpectedToken example

throw SyntaxErrorException::nestedNot();
                    }

                    [$argument, $argumentPseudoElement] = $this->parseSimpleSelector($stream, true);
                    $next = $stream->getNext();

                    if (null !== $argumentPseudoElement) {
                        throw SyntaxErrorException::pseudoElementFound($argumentPseudoElement, 'inside ::not()');
                    }

                    if (!$next->isDelimiter([')'])) {
                        throw SyntaxErrorException::unexpectedToken('")"', $next);
                    }

                    $result = new Node\NegationNode($result, $argument);
                } else {
                    $arguments = [];
                    $next = null;

                    while (true) {
                        $stream->skipWhitespace();
                        $next = $stream->getNext();

                        

/** * Returns next identifier token. * * @throws SyntaxErrorException If next token is not an identifier */
    public function getNextIdentifier(): string
    {
        $next = $this->getNext();

        if (!$next->isIdentifier()) {
            throw SyntaxErrorException::unexpectedToken('identifier', $next);
        }

        return $next->getValue();
    }

    /** * Returns next identifier or null if star delimiter token is found. * * @throws SyntaxErrorException If next token is not an identifier or a star delimiter */
    public function getNextIdentifierOrStar(): ?string
    {

':scope > foo bar > div', ['CombinedSelector[CombinedSelector[CombinedSelector[Pseudo[Element[*]:scope] > Element[foo]] <followed> Element[bar]] > Element[div]]']],
            [':scope > #foo #bar', ['CombinedSelector[CombinedSelector[Pseudo[Element[*]:scope] > Hash[Element[*]#foo]] <followed> Hash[Element[*]#bar]]']],
            [':scope', ['Pseudo[Element[*]:scope]']],
            ['foo bar, :scope > div', ['CombinedSelector[Element[foo] <followed> Element[bar]]', 'CombinedSelector[Pseudo[Element[*]:scope] > Element[div]]']],
            ['foo bar,:scope > div', ['CombinedSelector[Element[foo] <followed> Element[bar]]', 'CombinedSelector[Pseudo[Element[*]:scope] > Element[div]]']],
        ];
    }

    public static function getParserExceptionTestData()
    {
        return [
            ['attributes(href)/html/body/a', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, '(', 10))->getMessage()],
            ['attributes(href)', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, '(', 10))->getMessage()],
            ['html/body/a', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, '/', 4))->getMessage()],
            [' ', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_FILE_END, '', 1))->getMessage()],
            ['div, ', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_FILE_END, '', 5))->getMessage()],
            [' , div', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, ',', 1))->getMessage()],
            ['p, , div', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, ',', 3))->getMessage()],
            ['div > ', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_FILE_END, '', 6))->getMessage()],
            [' > div', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, '>', 2))->getMessage()],
            ['foo|#bar', SyntaxErrorException::unexpectedToken('identifier or "*"', new Token(Token::TYPE_HASH, 'bar', 4))->getMessage()],
            ['#.foo', SyntaxErrorException::unexpectedToken('selector', new Token(Token::TYPE_DELIMITER, '#', 0))->getMessage()],
            ['.#foo', SyntaxErrorException::unexpectedToken('identifier', new Token(Token::TYPE_HASH, 'foo', 1))->getMessage()],
            [