Ultima.CalibrationInfo.ReadBytes C# (CSharp) Méthode

        private static byte[] ReadBytes(StreamReader ip)
        {
            string line = ip.ReadLine();

            if (line == null)
                return null;

            byte[] buffer = new byte[(line.Length + 2) / 3];
            int index = 0;

            for (int i = 0; (i + 1) < line.Length; i += 3)
            {
                char ch = line[i + 0];
                char cl = line[i + 1];

                if (ch >= '0' && ch <= '9')
                    ch -= '0';
                else if (ch >= 'a' && ch <= 'f')
                    ch -= (char)('a' - 10);
                else if (ch >= 'A' && ch <= 'F')
                    ch -= (char)('A' - 10);
                else
                    return null;

                if (cl >= '0' && cl <= '9')
                    cl -= '0';
                else if (cl >= 'a' && cl <= 'f')
                    cl -= (char)('a' - 10);
                else if (cl >= 'A' && cl <= 'F')
                    cl -= (char)('A' - 10);
                else
                    return null;

                buffer[index++] = (byte)((ch << 4) | cl);
            }

            return buffer;
        }

        public static CalibrationInfo[] GetList()
        {
            ArrayList arrayList = new ArrayList();
            string    path      = Path.Combine(Path.GetDirectoryName(Environment.GetCommandLineArgs()[0]), "calibration.cfg");

            if (File.Exists(path))
            {
                using (StreamReader ip = new StreamReader(path))
                {
                    string str;
                    while ((str = ip.ReadLine()) != null)
                    {
                        byte[] mask;
                        byte[] vals;
                        byte[] detx;
                        byte[] dety;
                        byte[] detz;
                        byte[] detf;
                        if (str.Trim().ToLower() == "Begin" && (mask = CalibrationInfo.ReadBytes(ip)) != null && ((vals = CalibrationInfo.ReadBytes(ip)) != null && (detx = CalibrationInfo.ReadBytes(ip)) != null) && ((dety = CalibrationInfo.ReadBytes(ip)) != null && (detz = CalibrationInfo.ReadBytes(ip)) != null && (detf = CalibrationInfo.ReadBytes(ip)) != null))
                        {
                            arrayList.Add((object)new CalibrationInfo(mask, vals, detx, dety, detz, detf));
                        }
                    }
                }
            }
            arrayList.AddRange((ICollection)CalibrationInfo.DefaultList);
            return((CalibrationInfo[])arrayList.ToArray(typeof(CalibrationInfo)));
        }