Alexandria.Engines.GoldBox.Engine.ReadCodedString C# (CSharp) Метод

        public static string ReadCodedString(BinaryReader reader, int maximumBytes = int.MaxValue)
        {
            Stream stream = reader.BaseStream;
            int length = 0;

            while (true) {
                int a = stream.ReadByte();
                if (a < 0)
                    break;

                char code1 = Codes[length++] = DecodeString[(a & 0xFC) >> 2];
                if (code1 == 0 || --maximumBytes == 0)
                    break;

                int b = stream.ReadByte();
                if (b < 0)
                    break;

                char code2 = Codes[length++] = DecodeString[((a & 0x03) << 4) | ((b & 0xF0) >> 4)];
                if (code2 == 0 || --maximumBytes == 0)
                    break;

                int c = stream.ReadByte();
                if (c < 0)
                    break;

                char code3 = Codes[length++] = DecodeString[((b & 0x0F) << 2) | ((c & 0xC0) >> 6)];
                char code4 = DecodeString[c & 0x3F];
                if (code3 == 0)
                    break;

                Codes[length++] = code4;
                if (code4 == 0 || --maximumBytes == 0)
                    break;
            }

            //if (Math.Ceiling(length * 3 / 4.0) != codeLength)
            //throw new Exception();
            return new string(Codes, 0, length - 1);
        }