OpenHome.Git.Repository.GetObjectLoose C# (CSharp) Method

        private Object GetObjectLoose(string aId)
        {
            var path = Path.Combine(iFolderObjects.FullName, aId.Substring(0, 2), aId.Substring(2, 38));

            try
            {
                var file = File.OpenRead(path);

                using (var inflater = new InflaterInputStream(file))
                {
                    int offset = 0;

                    byte[] header = new byte[100];

                    while (true)
                    {
                        int b = inflater.ReadByte();

                        if (b == 0)
                        {
                            break;
                        }

                        if (offset >= 100)
                        {
                            throw (new GitException("Illegal object header " + aId));
                        }

                        header[offset++] = (byte)b;
                    }

                    string[] parts = ASCIIEncoding.ASCII.GetString(header, 0, offset).Split(new char[] { ' ' });

                    if (parts.Length != 2)
                    {
                        throw (new GitException("Illegal object header " + aId));
                    }

                    int length;

                    if (!int.TryParse(parts[1], out length))
                    {
                        throw (new GitException("Illegal object length " + aId));
                    }

                    byte[] bytes = new byte[length];

                    inflater.Read(bytes, 0, length);

                    switch (parts[0])
                    {
                        case "commit":
                            return (new Object(EObjectType.Commit, bytes));
                        case "tag":
                            return (new Object(EObjectType.Tag, bytes));
                        case "tree":
                            return (new Object(EObjectType.Tree, bytes));
                        case "blob":
                            return (new Object(EObjectType.Blob, bytes));
                        default:
                            throw (new GitException("Unrecognised object type " + aId));
                    }
                }
            }
            catch (FileNotFoundException)
            {
                return (null);
            }
        }