BACnet.Tagging.TagReader.ReadCharString C# (CSharp) Method

ReadCharString() public method

Reads a char string tag from the stream
public ReadCharString ( byte tag = 255 ) : string
tag byte The tag number of the char string tag, or 255 for an application tag
return string
        public string ReadCharString(byte tag = 255)
        {
            _ensureTag(tag, ApplicationTag.CharString);
            _ensureLVT(LVT.Length);

            // we need at least one byte for the encoding
            if (_length < 1)
                throw new InvalidTagException();

            // we only support ANSI for now
            CharStringEncoding encoding = (CharStringEncoding)_reader.ReadByte();
            if (encoding != CharStringEncoding.ANSI)
                throw new InvalidTagException();

            var bytes = _reader.ReadBytes((int)_length - 1);
            return Encoding.ASCII.GetString(bytes);
        }