Method _isValidChar

packages/alphatab/src/xml/XmlParser.ts:441–451

(c: number)

    }

    private static _isValidChar(c: number): boolean {
        return (
            (c >= XmlParser.CharCodeLowerA && c <= XmlParser.CharCodeLowerZ) ||
            (c >= XmlParser.CharCodeUpperA && c <= XmlParser.CharCodeUpperZ) ||
            (c >= XmlParser.CharCode0 && c <= XmlParser.CharCode9) ||
            c === XmlParser.CharCodeColon ||
            c === XmlParser.CharCodeDot ||
            c === XmlParser.CharCodeUnderscore ||
            c === XmlParser.CharCodeMinus
        );
    }
}