Method consumeUnicodeRangeToken

src/css/syntax/tokenizer.ts:530–568

()

    }

    private consumeUnicodeRangeToken(): UnicodeRangeToken {
        const digits = [];
        let codePoint = this.consumeCodePoint();
        while (isHex(codePoint) && digits.length < 6) {
            digits.push(codePoint);
            codePoint = this.consumeCodePoint();
        }
        let questionMarks = false;
        while (codePoint === QUESTION_MARK && digits.length < 6) {
            digits.push(codePoint);
            codePoint = this.consumeCodePoint();
            questionMarks = true;
        }

        if (questionMarks) {
            const start = parseInt(
                fromCodePoint(...digits.map((digit) => (digit === QUESTION_MARK ? ZERO : digit))),
                16
            );
            const end = parseInt(fromCodePoint(...digits.map((digit) => (digit === QUESTION_MARK ? F : digit))), 16);
            return {type: TokenType.UNICODE_RANGE_TOKEN, start, end};
        }

        const start = parseInt(fromCodePoint(...digits), 16);
        if (this.peekCodePoint(0) === HYPHEN_MINUS && isHex(this.peekCodePoint(1))) {
            this.consumeCodePoint();
            codePoint = this.consumeCodePoint();
            const endDigits = [];
            while (isHex(codePoint) && endDigits.length < 6) {
                endDigits.push(codePoint);
                codePoint = this.consumeCodePoint();
            }
            const end = parseInt(fromCodePoint(...endDigits), 16);

            return {type: TokenType.UNICODE_RANGE_TOKEN, start, end};
        } else {
            return {type: TokenType.UNICODE_RANGE_TOKEN, start, end: start};
        }
    }

    private consumeIdentLikeToken(): StringValueToken | Token {
        const value = this.consumeName();