remove unnecessary String()s; rename parse functions
This commit is contained in:
Jeremy Latt
parent
21a86c3216
commit
b0bb0faadc
@ -77,9 +77,7 @@ func (client *Client) run() {
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}
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func (client *Client) connectionTimeout() {
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client.commands <- &QuitCommand{
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message: "connection timeout",
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}
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client.commands <- NewQuitCommand("connection timeout")
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}
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//
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231
irc/commands.go
231
irc/commands.go
@ -26,37 +26,37 @@ var (
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NotEnoughArgsError = errors.New("not enough arguments")
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ErrParseCommand = errors.New("failed to parse message")
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parseCommandFuncs = map[StringCode]parseCommandFunc{
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AWAY: NewAwayCommand,
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CAP: NewCapCommand,
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DEBUG: NewDebugCommand,
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INVITE: NewInviteCommand,
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ISON: NewIsOnCommand,
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JOIN: NewJoinCommand,
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KICK: NewKickCommand,
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KILL: NewKillCommand,
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LIST: NewListCommand,
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MODE: NewModeCommand,
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MOTD: NewMOTDCommand,
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NAMES: NewNamesCommand,
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NICK: NewNickCommand,
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NOTICE: NewNoticeCommand,
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ONICK: NewOperNickCommand,
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OPER: NewOperCommand,
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PART: NewPartCommand,
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PASS: NewPassCommand,
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PING: NewPingCommand,
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PONG: NewPongCommand,
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PRIVMSG: NewPrivMsgCommand,
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PROXY: NewProxyCommand,
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QUIT: NewQuitCommand,
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THEATER: NewTheaterCommand, // nonstandard
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TIME: NewTimeCommand,
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TOPIC: NewTopicCommand,
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USER: NewUserCommand,
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VERSION: NewVersionCommand,
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WHO: NewWhoCommand,
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WHOIS: NewWhoisCommand,
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WHOWAS: NewWhoWasCommand,
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AWAY: ParseAwayCommand,
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CAP: ParseCapCommand,
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DEBUG: ParseDebugCommand,
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INVITE: ParseInviteCommand,
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ISON: ParseIsOnCommand,
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JOIN: ParseJoinCommand,
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KICK: ParseKickCommand,
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KILL: ParseKillCommand,
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LIST: ParseListCommand,
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MODE: ParseModeCommand,
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MOTD: ParseMOTDCommand,
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NAMES: ParseNamesCommand,
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NICK: ParseNickCommand,
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NOTICE: ParseNoticeCommand,
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ONICK: ParseOperNickCommand,
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OPER: ParseOperCommand,
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PART: ParsePartCommand,
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PASS: ParsePassCommand,
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PING: ParsePingCommand,
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PONG: ParsePongCommand,
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PRIVMSG: ParsePrivMsgCommand,
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PROXY: ParseProxyCommand,
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QUIT: ParseQuitCommand,
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THEATER: ParseTheaterCommand, // nonstandard
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TIME: ParseTimeCommand,
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TOPIC: ParseTopicCommand,
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USER: ParseUserCommand,
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VERSION: ParseVersionCommand,
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WHO: ParseWhoCommand,
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WHOIS: ParseWhoisCommand,
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WHOWAS: ParseWhoWasCommand,
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}
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)
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@ -85,7 +85,7 @@ func ParseCommand(line string) (cmd Command, err error) {
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code, args := ParseLine(line)
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constructor := parseCommandFuncs[code]
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if constructor == nil {
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cmd = NewUnknownCommand(args)
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cmd = ParseUnknownCommand(args)
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} else {
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cmd, err = constructor(args)
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}
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@ -135,11 +135,7 @@ type UnknownCommand struct {
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args []string
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}
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func (cmd *UnknownCommand) String() string {
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return fmt.Sprintf("UNKNOWN(command=%s, args=%s)", cmd.Code(), cmd.args)
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}
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func NewUnknownCommand(args []string) *UnknownCommand {
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func ParseUnknownCommand(args []string) *UnknownCommand {
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return &UnknownCommand{
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args: args,
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}
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@ -153,11 +149,7 @@ type PingCommand struct {
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server2 Name
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}
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func (cmd *PingCommand) String() string {
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return fmt.Sprintf("PING(server=%s, server2=%s)", cmd.server, cmd.server2)
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}
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func NewPingCommand(args []string) (Command, error) {
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func ParsePingCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -178,11 +170,7 @@ type PongCommand struct {
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server2 Name
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}
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func (cmd *PongCommand) String() string {
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return fmt.Sprintf("PONG(server1=%s, server2=%s)", cmd.server1, cmd.server2)
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}
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func NewPongCommand(args []string) (Command, error) {
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func ParsePongCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -204,10 +192,6 @@ type PassCommand struct {
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err error
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}
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func (cmd *PassCommand) String() string {
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return fmt.Sprintf("PASS(password=%s)", cmd.password)
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}
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func (cmd *PassCommand) LoadPassword(server *Server) {
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cmd.hash = server.password
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}
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@ -219,7 +203,7 @@ func (cmd *PassCommand) CheckPassword() {
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cmd.err = ComparePassword(cmd.hash, cmd.password)
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}
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func NewPassCommand(args []string) (Command, error) {
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func ParsePassCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -230,7 +214,7 @@ func NewPassCommand(args []string) (Command, error) {
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// NICK <nickname>
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func NewNickCommand(args []string) (Command, error) {
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func ParseNickCommand(args []string) (Command, error) {
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if len(args) != 1 {
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return nil, NotEnoughArgsError
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}
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@ -252,11 +236,6 @@ type RFC1459UserCommand struct {
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servername Name
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}
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func (cmd *RFC1459UserCommand) String() string {
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return fmt.Sprintf("USER(username=%s, hostname=%s, servername=%s, realname=%s)",
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cmd.username, cmd.hostname, cmd.servername, cmd.realname)
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}
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// USER <user> <mode> <unused> <realname>
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type RFC2812UserCommand struct {
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UserCommand
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@ -264,11 +243,6 @@ type RFC2812UserCommand struct {
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unused string
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}
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func (cmd *RFC2812UserCommand) String() string {
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return fmt.Sprintf("USER(username=%s, mode=%d, unused=%s, realname=%s)",
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cmd.username, cmd.mode, cmd.unused, cmd.realname)
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}
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func (cmd *RFC2812UserCommand) Flags() []UserMode {
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flags := make([]UserMode, 0)
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if (cmd.mode & 4) == 4 {
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@ -280,7 +254,7 @@ func (cmd *RFC2812UserCommand) Flags() []UserMode {
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return flags
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}
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func NewUserCommand(args []string) (Command, error) {
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func ParseUserCommand(args []string) (Command, error) {
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if len(args) != 4 {
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return nil, NotEnoughArgsError
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}
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@ -311,11 +285,15 @@ type QuitCommand struct {
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message Text
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}
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func (cmd *QuitCommand) String() string {
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return fmt.Sprintf("QUIT(message=%s)", cmd.message)
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func NewQuitCommand(message Text) *QuitCommand {
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cmd := &QuitCommand{
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message: message,
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}
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cmd.code = QUIT
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return cmd
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}
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func NewQuitCommand(args []string) (Command, error) {
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func ParseQuitCommand(args []string) (Command, error) {
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msg := &QuitCommand{}
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if len(args) > 0 {
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msg.message = NewText(args[0])
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@ -331,11 +309,7 @@ type JoinCommand struct {
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zero bool
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}
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func (cmd *JoinCommand) String() string {
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return fmt.Sprintf("JOIN(channels=%s, zero=%t)", cmd.channels, cmd.zero)
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}
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func NewJoinCommand(args []string) (Command, error) {
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func ParseJoinCommand(args []string) (Command, error) {
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msg := &JoinCommand{
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channels: make(map[Name]Text),
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}
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@ -378,11 +352,7 @@ func (cmd *PartCommand) Message() Text {
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return cmd.message
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}
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func (cmd *PartCommand) String() string {
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return fmt.Sprintf("PART(channels=%s, message=%s)", cmd.channels, cmd.message)
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}
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func NewPartCommand(args []string) (Command, error) {
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func ParsePartCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -403,11 +373,7 @@ type PrivMsgCommand struct {
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message Text
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}
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func (cmd *PrivMsgCommand) String() string {
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return fmt.Sprintf("PRIVMSG(target=%s, message=%s)", cmd.target, cmd.message)
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}
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func NewPrivMsgCommand(args []string) (Command, error) {
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func ParsePrivMsgCommand(args []string) (Command, error) {
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if len(args) < 2 {
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return nil, NotEnoughArgsError
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}
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@ -426,11 +392,7 @@ type TopicCommand struct {
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topic Text
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}
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func (cmd *TopicCommand) String() string {
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return fmt.Sprintf("TOPIC(channel=%s, topic=%s)", cmd.channel, cmd.topic)
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}
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func NewTopicCommand(args []string) (Command, error) {
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func ParseTopicCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -480,7 +442,7 @@ type ModeCommand struct {
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}
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// MODE <nickname> *( ( "+" / "-" ) *( "i" / "w" / "o" / "O" / "r" ) )
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func NewUserModeCommand(nickname Name, args []string) (Command, error) {
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func ParseUserModeCommand(nickname Name, args []string) (Command, error) {
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cmd := &ModeCommand{
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nickname: nickname,
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changes: make(ModeChanges, 0),
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@ -506,10 +468,6 @@ func NewUserModeCommand(nickname Name, args []string) (Command, error) {
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return cmd, nil
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}
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func (cmd *ModeCommand) String() string {
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return fmt.Sprintf("MODE(nickname=%s, changes=%s)", cmd.nickname, cmd.changes)
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}
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type ChannelModeChange struct {
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mode ChannelMode
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op ModeOp
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@ -557,7 +515,7 @@ type ChannelModeCommand struct {
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}
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// MODE <channel> *( ( "-" / "+" ) *<modes> *<modeparams> )
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func NewChannelModeCommand(channel Name, args []string) (Command, error) {
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func ParseChannelModeCommand(channel Name, args []string) (Command, error) {
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cmd := &ChannelModeCommand{
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channel: channel,
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changes: make(ChannelModeChanges, 0),
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@ -599,20 +557,16 @@ func NewChannelModeCommand(channel Name, args []string) (Command, error) {
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return cmd, nil
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}
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func (msg *ChannelModeCommand) String() string {
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return fmt.Sprintf("MODE(channel=%s, changes=%s)", msg.channel, msg.changes)
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}
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func NewModeCommand(args []string) (Command, error) {
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func ParseModeCommand(args []string) (Command, error) {
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if len(args) == 0 {
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return nil, NotEnoughArgsError
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}
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name := NewName(args[0])
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if name.IsChannel() {
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return NewChannelModeCommand(name, args[1:])
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return ParseChannelModeCommand(name, args[1:])
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} else {
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return NewUserModeCommand(name, args[1:])
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return ParseUserModeCommand(name, args[1:])
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}
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}
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@ -623,7 +577,7 @@ type WhoisCommand struct {
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}
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// WHOIS [ <target> ] <mask> *( "," <mask> )
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func NewWhoisCommand(args []string) (Command, error) {
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func ParseWhoisCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -644,10 +598,6 @@ func NewWhoisCommand(args []string) (Command, error) {
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}, nil
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}
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func (msg *WhoisCommand) String() string {
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return fmt.Sprintf("WHOIS(target=%s, masks=%s)", msg.target, msg.masks)
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}
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type WhoCommand struct {
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BaseCommand
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mask Name
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@ -655,7 +605,7 @@ type WhoCommand struct {
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}
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// WHO [ <mask> [ "o" ] ]
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func NewWhoCommand(args []string) (Command, error) {
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func ParseWhoCommand(args []string) (Command, error) {
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cmd := &WhoCommand{}
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if len(args) > 0 {
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@ -669,25 +619,17 @@ func NewWhoCommand(args []string) (Command, error) {
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return cmd, nil
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}
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func (msg *WhoCommand) String() string {
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return fmt.Sprintf("WHO(mask=%s, operatorOnly=%t)", msg.mask, msg.operatorOnly)
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}
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type OperCommand struct {
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PassCommand
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name Name
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}
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func (msg *OperCommand) String() string {
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return fmt.Sprintf("OPER(name=%s, password=%s)", msg.name, msg.password)
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}
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func (msg *OperCommand) LoadPassword(server *Server) {
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msg.hash = server.operators[msg.name]
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}
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// OPER <name> <password>
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func NewOperCommand(args []string) (Command, error) {
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func ParseOperCommand(args []string) (Command, error) {
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if len(args) < 2 {
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return nil, NotEnoughArgsError
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}
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@ -705,12 +647,7 @@ type CapCommand struct {
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capabilities CapabilitySet
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}
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func (msg *CapCommand) String() string {
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return fmt.Sprintf("CAP(subCommand=%s, capabilities=%s)",
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msg.subCommand, msg.capabilities)
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}
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func NewCapCommand(args []string) (Command, error) {
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func ParseCapCommand(args []string) (Command, error) {
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if len(args) < 1 {
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return nil, NotEnoughArgsError
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}
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@ -740,11 +677,15 @@ type ProxyCommand struct {
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hostname Name // looked up in socket thread
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}
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func (msg *ProxyCommand) String() string {
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return fmt.Sprintf("PROXY(sourceIP=%s, sourcePort=%s)", msg.sourceIP, msg.sourcePort)
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func NewProxyCommand(hostname Name) *ProxyCommand {
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cmd := &ProxyCommand{
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hostname: hostname,
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}
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cmd.code = PROXY
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return cmd
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}
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func NewProxyCommand(args []string) (Command, error) {
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func ParseProxyCommand(args []string) (Command, error) {
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if len(args) < 5 {
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return nil, NotEnoughArgsError
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}
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@ -764,11 +705,7 @@ type AwayCommand struct {
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away bool
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}
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func (msg *AwayCommand) String() string {
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return fmt.Sprintf("AWAY(%s)", msg.text)
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}
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func NewAwayCommand(args []string) (Command, error) {
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func ParseAwayCommand(args []string) (Command, error) {
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cmd := &AwayCommand{}
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if len(args) > 0 {
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@ -784,11 +721,7 @@ type IsOnCommand struct {
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nicks []Name
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}
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func (msg *IsOnCommand) String() string {
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return fmt.Sprintf("ISON(nicks=%s)", msg.nicks)
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}
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func NewIsOnCommand(args []string) (Command, error) {
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func ParseIsOnCommand(args []string) (Command, error) {
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if len(args) == 0 {
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return nil, NotEnoughArgsError
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}
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@ -803,7 +736,7 @@ type MOTDCommand struct {
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target Name
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}
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func NewMOTDCommand(args []string) (Command, error) {
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func ParseMOTDCommand(args []string) (Command, error) {
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cmd := &MOTDCommand{}
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if len(args) > 0 {
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cmd.target = NewName(args[0])
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@ -817,11 +750,7 @@ type NoticeCommand struct {
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message Text
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}
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func (cmd *NoticeCommand) String() string {
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return fmt.Sprintf("NOTICE(target=%s, message=%s)", cmd.target, cmd.message)
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}
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func NewNoticeCommand(args []string) (Command, error) {
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func ParseNoticeCommand(args []string) (Command, error) {
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if len(args) < 2 {
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return nil, NotEnoughArgsError
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}
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@ -844,7 +773,7 @@ func (msg *KickCommand) Comment() Text {
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return msg.comment
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}
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func NewKickCommand(args []string) (Command, error) {
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func ParseKickCommand(args []string) (Command, error) {
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if len(args) < 2 {
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return nil, NotEnoughArgsError
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}
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@ -875,7 +804,7 @@ type ListCommand struct {
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target Name
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}
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func NewListCommand(args []string) (Command, error) {
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func ParseListCommand(args []string) (Command, error) {
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cmd := &ListCommand{}
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if len(args) > 0 {
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cmd.channels = NewNames(strings.Split(args[0], ","))
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@ -892,7 +821,7 @@ type NamesCommand struct {
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target Name
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}
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func NewNamesCommand(args []string) (Command, error) {
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func ParseNamesCommand(args []string) (Command, error) {
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cmd := &NamesCommand{}
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if len(args) > 0 {
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cmd.channels = NewNames(strings.Split(args[0], ","))
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@ -908,7 +837,7 @@ type DebugCommand struct {
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subCommand Name
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}
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func NewDebugCommand(args []string) (Command, error) {
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func ParseDebugCommand(args []string) (Command, error) {
|
||||
if len(args) == 0 {
|
||||
return nil, NotEnoughArgsError
|
||||
}
|
||||
@ -923,7 +852,7 @@ type VersionCommand struct {
|
||||
target Name
|
||||
}
|
||||
|
||||
func NewVersionCommand(args []string) (Command, error) {
|
||||
func ParseVersionCommand(args []string) (Command, error) {
|
||||
cmd := &VersionCommand{}
|
||||
if len(args) > 0 {
|
||||
cmd.target = NewName(args[0])
|
||||
@ -937,7 +866,7 @@ type InviteCommand struct {
|
||||
channel Name
|
||||
}
|
||||
|
||||
func NewInviteCommand(args []string) (Command, error) {
|
||||
func ParseInviteCommand(args []string) (Command, error) {
|
||||
if len(args) < 2 {
|
||||
return nil, NotEnoughArgsError
|
||||
}
|
||||
@ -948,7 +877,7 @@ func NewInviteCommand(args []string) (Command, error) {
|
||||
}, nil
|
||||
}
|
||||
|
||||
func NewTheaterCommand(args []string) (Command, error) {
|
||||
func ParseTheaterCommand(args []string) (Command, error) {
|
||||
if len(args) < 1 {
|
||||
return nil, NotEnoughArgsError
|
||||
} else if upperSubCmd := strings.ToUpper(args[0]); upperSubCmd == "IDENTIFY" && len(args) == 3 {
|
||||
@ -978,7 +907,7 @@ type TimeCommand struct {
|
||||
target Name
|
||||
}
|
||||
|
||||
func NewTimeCommand(args []string) (Command, error) {
|
||||
func ParseTimeCommand(args []string) (Command, error) {
|
||||
cmd := &TimeCommand{}
|
||||
if len(args) > 0 {
|
||||
cmd.target = NewName(args[0])
|
||||
@ -992,7 +921,7 @@ type KillCommand struct {
|
||||
comment Text
|
||||
}
|
||||
|
||||
func NewKillCommand(args []string) (Command, error) {
|
||||
func ParseKillCommand(args []string) (Command, error) {
|
||||
if len(args) < 2 {
|
||||
return nil, NotEnoughArgsError
|
||||
}
|
||||
@ -1009,7 +938,7 @@ type WhoWasCommand struct {
|
||||
target Name
|
||||
}
|
||||
|
||||
func NewWhoWasCommand(args []string) (Command, error) {
|
||||
func ParseWhoWasCommand(args []string) (Command, error) {
|
||||
if len(args) < 1 {
|
||||
return nil, NotEnoughArgsError
|
||||
}
|
||||
@ -1025,7 +954,7 @@ func NewWhoWasCommand(args []string) (Command, error) {
|
||||
return cmd, nil
|
||||
}
|
||||
|
||||
func NewOperNickCommand(args []string) (Command, error) {
|
||||
func ParseOperNickCommand(args []string) (Command, error) {
|
||||
if len(args) < 2 {
|
||||
return nil, NotEnoughArgsError
|
||||
}
|
||||
|
||||
@ -1,18 +1,10 @@
|
||||
package irc
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
)
|
||||
|
||||
type NickCommand struct {
|
||||
BaseCommand
|
||||
nickname Name
|
||||
}
|
||||
|
||||
func (m *NickCommand) String() string {
|
||||
return fmt.Sprintf("NICK(nickname=%s)", m.nickname)
|
||||
}
|
||||
|
||||
func (m *NickCommand) HandleRegServer(s *Server) {
|
||||
client := m.Client()
|
||||
if !client.authorized {
|
||||
@ -89,11 +81,20 @@ func (msg *OperNickCommand) HandleServer(server *Server) {
|
||||
return
|
||||
}
|
||||
|
||||
if msg.nick == client.nick {
|
||||
return
|
||||
}
|
||||
|
||||
target := server.clients.Get(msg.target)
|
||||
if target == nil {
|
||||
client.ErrNoSuchNick(msg.target)
|
||||
return
|
||||
}
|
||||
|
||||
if server.clients.Get(msg.nick) != nil {
|
||||
client.ErrNickNameInUse(msg.nick)
|
||||
return
|
||||
}
|
||||
|
||||
target.ChangeNickname(msg.nick)
|
||||
}
|
||||
|
||||
@ -121,7 +121,7 @@ func (server *Server) loadChannels() {
|
||||
|
||||
func (server *Server) processCommand(cmd Command) {
|
||||
client := cmd.Client()
|
||||
Log.debug.Printf("%s → %s %s", client, server, cmd)
|
||||
Log.debug.Printf("%s → %+v", client, cmd)
|
||||
|
||||
if !client.registered {
|
||||
regCmd, ok := cmd.(RegServerCommand)
|
||||
|
||||
@ -38,9 +38,7 @@ func (socket *Socket) Close() {
|
||||
}
|
||||
|
||||
func (socket *Socket) readLines(commands chan<- Command) {
|
||||
commands <- &ProxyCommand{
|
||||
hostname: AddrLookupHostname(socket.conn.RemoteAddr()),
|
||||
}
|
||||
commands <- NewProxyCommand(AddrLookupHostname(socket.conn.RemoteAddr()))
|
||||
|
||||
scanner := bufio.NewScanner(socket.conn)
|
||||
for scanner.Scan() {
|
||||
@ -62,9 +60,7 @@ func (socket *Socket) readLines(commands chan<- Command) {
|
||||
Log.debug.Printf("%s error: %s", socket, err)
|
||||
}
|
||||
|
||||
commands <- &QuitCommand{
|
||||
message: "connection closed",
|
||||
}
|
||||
commands <- NewQuitCommand("connection closed")
|
||||
|
||||
close(commands)
|
||||
}
|
||||
|
||||
@ -1,9 +1,5 @@
|
||||
package irc
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
)
|
||||
|
||||
type TheaterClient Name
|
||||
|
||||
func (c TheaterClient) Id() Name {
|
||||
@ -29,10 +25,6 @@ func (m *TheaterIdentifyCommand) LoadPassword(s *Server) {
|
||||
m.hash = s.theaters[m.channel]
|
||||
}
|
||||
|
||||
func (cmd *TheaterIdentifyCommand) String() string {
|
||||
return fmt.Sprintf("THEATER_IDENTIFY(channel=%s)", cmd.channel)
|
||||
}
|
||||
|
||||
func (m *TheaterIdentifyCommand) HandleServer(s *Server) {
|
||||
client := m.Client()
|
||||
if !m.channel.IsChannel() {
|
||||
@ -66,10 +58,6 @@ type TheaterPrivMsgCommand struct {
|
||||
message Text
|
||||
}
|
||||
|
||||
func (cmd *TheaterPrivMsgCommand) String() string {
|
||||
return fmt.Sprintf("THEATER_PRIVMSG(channel=%s, asNick=%s, message=%s)", cmd.channel, cmd.asNick, cmd.message)
|
||||
|
||||
}
|
||||
func (m *TheaterPrivMsgCommand) HandleServer(s *Server) {
|
||||
client := m.Client()
|
||||
|
||||
@ -102,10 +90,6 @@ type TheaterActionCommand struct {
|
||||
action CTCPText
|
||||
}
|
||||
|
||||
func (cmd *TheaterActionCommand) String() string {
|
||||
return fmt.Sprintf("THEATER_ACTION(channel=%s, asNick=%s, action=%s)", cmd.channel, cmd.asNick, cmd.action)
|
||||
}
|
||||
|
||||
func (m *TheaterActionCommand) HandleServer(s *Server) {
|
||||
client := m.Client()
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user