GitCommands.GitModule.UnquoteFileName C# (CSharp) Method

        public static string UnquoteFileName(string fileName)
        {
            char[] chars = fileName.ToCharArray();
            IList<byte> blist = new List<byte>();
            int i = 0;
            StringBuilder sb = new StringBuilder();
            while (i < chars.Length)
            {
                char c = chars[i];
                if (c == '\\')
                {
                    //there should be 3 digits
                    if (chars.Length >= i + 3)
                    {
                        string octNumber = "" + chars[i + 1] + chars[i + 2] + chars[i + 3];

                        try
                        {
                            int code = Convert.ToInt32(octNumber, 8);
                            blist.Add((byte)code);
                            i += 4;
                        }
                        catch (Exception)
                        {
                        }
                    }
                }
                else
                {
                    if (blist.Count > 0)
                    {
                        sb.Append(SystemEncoding.GetString(blist.ToArray()));
                        blist.Clear();
                    }

                    sb.Append(c);
                    i++;
                }
            }
            if (blist.Count > 0)
            {
                sb.Append(SystemEncoding.GetString(blist.ToArray()));
                blist.Clear();
            }
            return sb.ToString();
        }