public XCProject( string filePath )
            : this()
        {
            if( !System.IO.Directory.Exists( filePath ) ) {
                Debug.LogWarning( "Path does not exists." );
                return;
            }

            if( filePath.EndsWith( ".xcodeproj" ) ) {
                Debug.Log( "Opening project " + filePath );
                this.projectRootPath = Path.GetDirectoryName( filePath );
                this.filePath = filePath;
            } else {
                Debug.Log( "Looking for xcodeproj files in " + filePath );
                string[] projects = System.IO.Directory.GetDirectories( filePath, "*.xcodeproj" );
                if( projects.Length == 0 ) {
                    Debug.LogWarning( "Error: missing xcodeproj file" );
                    return;
                }

                this.projectRootPath = filePath;
                this.filePath = projects[ 0 ];
            }

            // Convert to absolute
            this.projectRootPath = Path.GetFullPath(this.projectRootPath);

            projectFileInfo = new FileInfo( Path.Combine( this.filePath, "project.pbxproj" ) );
            StreamReader sr = projectFileInfo.OpenText();
            string contents = sr.ReadToEnd();
            sr.Close();

            PBXParser parser = new PBXParser();
            _datastore = parser.Decode( contents );
            if( _datastore == null ) {
                throw new System.Exception( "Project file not found at file path " + filePath );
            }

            if( !_datastore.ContainsKey( "objects" ) ) {
                Debug.Log( "Errore " + _datastore.Count );
                return;
            }

            _objects = (PBXDictionary)_datastore["objects"];
            modified = false;

            _rootObjectKey = (string)_datastore["rootObject"];
            if( !string.IsNullOrEmpty( _rootObjectKey ) ) {
            //				_rootObject = (PBXDictionary)_objects[ _rootObjectKey ];
                _project = new PBXProject( _rootObjectKey, (PBXDictionary)_objects[ _rootObjectKey ] );
            //				_rootGroup = (PBXDictionary)_objects[ (string)_rootObject[ "mainGroup" ] ];
                _rootGroup = new PBXGroup( _rootObjectKey, (PBXDictionary)_objects[ _project.mainGroupID ] );
            }
            else {
                Debug.LogWarning( "error: project has no root object" );
                _project = null;
                _rootGroup = null;
            }
        }
        /// <summary>
        /// Saves a project after editing.
        /// </summary>
        public void Save()
        {
            PBXDictionary result = new PBXDictionary();
            result.Add( "archiveVersion", 1 );
            result.Add( "classes", new PBXDictionary() );
            result.Add( "objectVersion", 45 );

            Consolidate();
            result.Add( "objects", _objects );

            result.Add( "rootObject", _rootObjectKey );

            Backup();

            // Parse result object directly into file
            PBXParser parser = new PBXParser();
            StreamWriter saveFile = File.CreateText( System.IO.Path.Combine( this.filePath, "project.pbxproj" ) );
            saveFile.Write( parser.Encode( result, false ) );
            saveFile.Close();

            //			Xcode4Controller.Connect();
            //			Xcode4Controller.OpenProject(filePath);
        }