// ParseCherryFile parses a file at @filepath and returns a *config.CherryRooms or a *CherryFileError. func ParseCherryFile(filepath string) (*config.CherryRooms, *CherryFileError) { var cherryRooms *config.CherryRooms var cherryFileData []byte var data string var err *CherryFileError var line int cherryFileData, ioErr := ioutil.ReadFile(filepath) if ioErr != nil { return nil, NewCherryFileError("(no file)", -1, fmt.Sprintf("unable to read from \"%s\" [more details: %s].", filepath, ioErr.Error())) } data, _, line, err = GetDataFromSection("cherry.root", string(cherryFileData), 1, filepath) if err != nil { return nil, err } var set []string cherryRooms = config.NewCherryRooms() set, line, data = GetNextSetFromData(data, line, "=") for len(set) == 2 { switch set[0] { case "servername", "certificate", "private-key": if set[1][0] != '"' || set[1][len(set[1])-1] != '"' { return nil, NewCherryFileError(filepath, line, fmt.Sprintf("invalid string.")) } data := set[1][1 : len(set[1])-1] if set[0] == "certificate" || set[0] == "private-key" { if _, err := os.Stat(data); os.IsNotExist(err) { return nil, NewCherryFileError(filepath, line, fmt.Sprintf("\"%s\" must receive an accessible file path.", set[0])) } } if set[0] == "servername" { cherryRooms.SetServername(data) } else if set[0] == "certificate" { cherryRooms.SetCertificatePath(data) } else if set[0] == "private-key" { cherryRooms.SetPrivateKeyPath(data) } break default: return nil, NewCherryFileError(filepath, line, fmt.Sprintf("unknown config set \"%s\".", set[0])) } set, line, data = GetNextSetFromData(data, line, "=") } if cherryRooms.GetServername() == "localhost" { fmt.Println("WARN: cherry.root.servername is equals to \"localhost\". Things will not work outside this node.") } data, _, line, err = GetDataFromSection("cherry.rooms", string(cherryFileData), 1, filepath) if err != nil { return nil, err } // INFO(Santiago): Adding all scanned rooms from the first cherry.rooms section found // [cherry branches were scanned too at this point]. set, line, data = GetNextSetFromData(data, line, ":") for len(set) == 2 { if cherryRooms.HasRoom(set[0]) { return nil, NewCherryFileError(filepath, line, fmt.Sprintf("room \"%s\" redeclared.", set[0])) } var value int64 var convErr error value, convErr = strconv.ParseInt(set[1], 10, 16) if convErr != nil { return nil, NewCherryFileError(filepath, line, fmt.Sprintf("invalid port value \"%s\" [more details: %s].", set[1], convErr)) } var port int16 port = int16(value) if cherryRooms.PortBusyByAnotherRoom(port) { return nil, NewCherryFileError(filepath, line, fmt.Sprintf("the port \"%s\" is already busy by another room.", set[1])) } cherryRooms.AddRoom(set[0], port) errRoomConfig := GetRoomTemplates(set[0], cherryRooms, string(cherryFileData), filepath) if errRoomConfig != nil { return nil, errRoomConfig } errRoomConfig = GetRoomActions(set[0], cherryRooms, string(cherryFileData), filepath) if errRoomConfig != nil { return nil, errRoomConfig } // INFO(Santiago): until now these two following sections are non-mandatory. _ = GetRoomImages(set[0], cherryRooms, string(cherryFileData), filepath) //_ = GetRoomSounds(set[0], cherryRooms, string(cherryFileData), filepath) errRoomConfig = GetRoomMisc(set[0], cherryRooms, string(cherryFileData), filepath) if errRoomConfig != nil { return nil, errRoomConfig } // INFO(Santiago): Let's transfer the next room from file to the memory. set, line, data = GetNextSetFromData(data, line, ":") } return cherryRooms, nil }