Add regexes for commands.

src/irc/protocol.go

@@ -1,43 +1,107 @@
 package irc
 
 import (
+	"fmt"
 )
 
-type Message struct {
-	line string
-	client *Client
+const (
+	VERSION = "goircd-1"
+)
+
+const (
+	RPL_WELCOME  = "001"
+	RPL_YOURHOST = "002"
+	RPL_CREATED  = "003"
+	RPL_MYINFO   = "004"
+	RPL_NONE     = "300"
+)
+
+func ReplyWelcome(nick string, user string, host string) string {
+	return fmt.Sprintf("%s %s Welcome to the Internet Relay Network %s!%s@%s", RPL_WELCOME, nick, nick, user, host)
 }
 
-func (m *Message) Encode() string {
-	return m.line
+func ReplyYourHost(nick string, server string) string {
+	return fmt.Sprintf("%s %s Your host is %s, running version %s", RPL_YOURHOST, nick, server, VERSION)
+}
+
+func ReplyCreated(nick string, created string) string {
+	return fmt.Sprintf("%s %s This server was created %s", RPL_CREATED, nick, created)
+}
+
+func ReplyMyInfo(nick string, servername string) string {
+	return fmt.Sprintf("%s %s %s %s <user modes> <channel modes>", RPL_MYINFO, nick, servername, VERSION)
+}
+
+const (
+	ERR_NOSUCHNICK       = "401"
+	ERR_NOSUCHSERVER     = "402"
+	ERR_NOSUCHCHANNEL    = "403"
+	ERR_UNKNOWNCOMMAND   = "421"
+	ERR_NICKNAMEINUSE    = "433"
+	ERR_NEEDMOREPARAMS   = "461"
+	ERR_ALREADYREGISTRED = "462"
+	ERR_USERSDONTMATCH   = "502"
+)
+
+func ErrAlreadyRegistered(nick string) string {
+	return fmt.Sprintf("%s %s :You may not reregister", ERR_ALREADYREGISTRED, nick)
+}
+
+func ErrNickNameInUse(nick string) string {
+	return fmt.Sprintf("%s %s :Nickname is already in use", ERR_NICKNAMEINUSE, nick)
+}
+
+func ErrUnknownCommand(nick string, command string) string {
+	return fmt.Sprintf("%s %s %s :Unknown command", ERR_UNKNOWNCOMMAND, nick, command)
 }
 
 
-// Adapt `chan string` to a `chan Message`.
-func NewMessageChan(strch chan string) chan Message {
-	msgch := make(chan Message)
+const (
+	RE_PASS     = "(?P<password>\\S+)"
+	RE_NICK     = "(?P<nickname>\\S+)"
+	RE_USER     = "(?P<user>\\S+) (?P<mode>\\d) (?:\\S+) :(?P<realname>.+)"
+	RE_OPER     = "(?P<name>\\S+) (?P<password>\\S+)"
+	RE_MODE     = "(?P<nickname>\\S+)(?: (?P<mode>[-+][iwroOs]+))*"
+	RE_SERVICE  = "(?P<nickname>\\S+) (?P<reserved1>\\S+) (?P<distribution>\\S+) (?P<type>\\S+) (?P<reserved2>\\S+) :(?P<info>.+)"
+	RE_QUIT     = "(?P<message>.*)"
+	RE_SQUIT    = "(?P<server>\\S+) :(?P<comment>.+)"
+	RE_JOIN     = "0|(?:(?P<channels>\\S+(?:,\\S+)*)(?: (?P<keys>\\S+(?:,\\S+)*))?)"
+	RE_PART     = "(?P<channels>\\S+(?:,\\S+)*)(?: :(?P<message>.+))?"
+	RE_MODE_CH  = "(?P<channel>\\S+)(?: (?P<mode>[-+][iwroOs]+))*" // XXX incomplete
+	RE_TOPIC    = "(?P<channel>\\S+)(?: :(?P<topic>.+))?"
+	RE_NAMES    = "(?:(?P<channels>\\S+(?:,\\S+)*)(?: (?P<target>\\S+))?)?"
+	RE_LIST     = "(?:(?P<channels>\\S+(?:,\\S+)*)(?: (?P<target>\\S+))?)?"
+	RE_INVITE   = "(?P<nickname>\\S+) (?P<channel>\\S+)"
+	RE_KICK     = "(?P<channels>\\S+(?:,\\S+)*) (?P<users>\\S+(?:,\\S+))(?: :(?P<comment>.+))?"
+	RE_PRIVMSG  = "(?P<target>\\S+) :(?P<text>.+)"
+	RE_NOTICE   = "(?P<target>\\S+) :(?P<text>.+)"
+	RE_MOTD     = "(?P<target>\\S+)?"
+	RE_LUSERS   = "(?:(?P<mask>\\S+)(?: (?P<target>\\S+))?)?"
+	RE_VERSION  = "(?P<target>\\S+)?"
+	RE_STATS    = "(?:(?P<query>\\S+)(?: (?P<target>\\S+))?)?"
+	RE_LINKS    = "(?:(?P<remote>\\S+) )?(?P<mask>\\S+)"
+	RE_TIME     = "(?P<target>\\S+)?"
+	RE_CONNECT  = "(?P<target>\\S+) (?P<port>\\d+)(?: (?P<remote>\\S+))?"
+	RE_TRACE    = "(?P<target>\\S+)?"
+	RE_ADMIN    = "(?P<target>\\S+)?"
+	RE_INFO     = "(?P<target>\\S+)?"
+	RE_SERVLIST = "" // XXX
+	RE_SQUERY   = "" // XXX
+	RE_WHO      = "" // XXX
+	RE_WHOIS    = "" // XXX
+	RE_WHOWAS   = "" // XXX
+	RE_KILL     = "(?P<nickname>\\S+) :(?P<comment>.+)"
+	RE_PING     = "(?P<server1>\\S+)(?: (?P<server2>\\S+))?"
+	RE_PONG     = "(?P<server1>\\S+)(?: (?P<server2>\\S+))?"
+	RE_ERROR    = ":(?P<error>.+)"
+	RE_AWAY     = ":(?P<text>.+)"
+	RE_REHASH   = ""
+	RE_DIE      = ""
+	RE_RESTART  = ""
+	RE_SUMMON   = "(?P<user>\\S+)(?: (?P<target>\\S+)(?: (?P<channel>\\S+))?)?"
+	RE_USERS    = "(?P<target>\\S+)?"
+	RE_WALLOPS  = ":(?P<text>.+)"
+	RE_USERHOST = "(?P<nicknames>\\S+(?: \\S+)*)"
+	RE_ISON     = "(?P<nicknames>\\S+(?: \\S+)*)"
+)
 
-	done := make(chan bool)
-	go func() {
-		<- done
-		close(msgch)
-	}()
-
-	// str -> msg
-	go func() {
-		for str := range strch {
-			msgch <- Message{str, nil}
-		}
-		done <- true
-	}()
-
-	// msg -> str
-	go func() {
-		for message := range msgch {
-			strch <- message.Encode()
-		}
-		done <- true
-	}()
-
-	return msgch
-}