+import StdDebug
+
+jon :== 'Text'.join
+
+derive gPrint IRCCommand, IRCReplies, IRCErrors, (,), Maybe, (), Either
+
+//Start = runParser parseMessage $ fromString ":frobnicator!~frobnicat@92.110.128.124 QUIT\r\n"
+//Start = runParser parseMessage $ fromString ":frobnicator!~frobnicat@92.110.128.124 AWAY test\r\n"
+//Start = runParser parseMessage $ fromString ":frobnicator!~frobnicat@92.110.128.124 AWAY :test with spaces\r\n"
+//Start = runParser parseMessage $ fromString ":cherryh.freenode.net NOTICE * :*** Found your hostname\r\n"
+//Start = runParser parseMessage $ fromString ":cherryh.freenode.net QUIT :hoi hoi\r\n"
+Start = parseIRCMessage ":clooglebot!~cloogle@dhcp-077-249-221-037.chello.nl QUIT\r\n"
+
+(<+) infixr 5 :: a b -> String | toString a & toString b
+(<+) a b = toString a +++ toString b
+
+parseIRCMessage :: String -> Either [Error] IRCMessage
+parseIRCMessage s = case runParser parsePrefix (fromString s) of
+ ([(prefix, rest):_], _) = case parse parseReply rest of
+ Left e = case parseCmd rest of
+ Left e2 = Left [e2:e]
+ Right cmd = Right {IRCMessage | irc_prefix=prefix, irc_command=Right cmd}
+ Right repl = Right {IRCMessage | irc_prefix=prefix, irc_command=Left repl}
+ (_, es) = Left ["couldn't parse prefix":es]
+
+
+parseCmd :: [Char] -> Either Error IRCCommand
+parseCmd cs
+| not (trace_tn $ toString cs) = undef
+= processParse $ argfun $ 'Text'.split " " $ toString cs
+ where
+ argfun :: [String] -> [String]
+ argfun [] = []
+ argfun [x:xs]
+ # x = 'Text'.trim x
+ | x.[0] == ':' = ['Text'.join " " [x:xs]]
+ | otherwise = [x:argfun xs]
+
+ command0 :: IRCCommand [String] -> Either Error IRCCommand
+ command0 c [] = Right c
+ command0 c x = Left $ toString c +++ " doesn't have arguments"
+
+ processParse :: [String] -> Either Error IRCCommand
+ processParse [] = Left "Empty list of arguments"
+ processParse [cmd:args] = case cmd of
+ //"ADMIN" = (Maybe String)
+ //"AWAY" = String
+ //"CONNECT" = String (Maybe (Int, Maybe String))
+ "DIE" = command0 DIE args
+ //"ERROR" = String
+ //"INFO" = (Maybe String)
+ //"INVITE" = String String
+ //"ISON" = [String]
+ //"JOIN" = [(String, Maybe String)]
+ //"KICK" = String String (Maybe String)
+ //"KILL" = String String
+ //"LINKS" = (Maybe (Maybe String, String))
+ //"LIST" = (Maybe ([String], Maybe String))
+ //"LUSERS" = (Maybe (String, Maybe String))
+ //"MODE" = String String (Maybe String) (Maybe String) (Maybe String)
+ //"MOTD" = (Maybe String)
+ //"NAMES" = [String]
+ //"NICK" = String (Maybe String)
+ "NJOIN" = command0 NJOIN args
+ //"NOTICE" = String String
+ //"OPER" = String String
+ //"PART" = [String]
+ //"PASS" = String
+ //"PING" = String (Maybe String)
+ //"PONG" = String (Maybe String)
+ //"PRIVMSG" = [String] String
+ "QUIT" = case args of
+ [_,_:_] = Left $ "QUIT has too many arguments"
+ x = Right $ QUIT $ listToMaybe x
+ "REHASH" = command0 REHASH args
+ "RESTART" = command0 REHASH args
+ "SERVER" = command0 REHASH args
+ //"SERVICE" = String String String String
+ //"SERVLIST" = (Maybe (String, Maybe String))
+ //"SQUERY" = String String
+ "SQUIRT" = command0 REHASH args
+ //"SQUIT" = String String
+ //"STATS" = (Maybe (String, Maybe String))
+ //"SUMMON" = String (Maybe (String, Maybe String))
+ //"TIME" = (Maybe String)
+ //"TOPIC" = String (Maybe String)
+ //"TRACE" = (Maybe String)
+ //"USER" = String String String
+ //"USERHOST" = [String]
+ //"USERS" = (Maybe String)
+ //"VERSION" = (Maybe String)
+ //"WALLOPS" = String
+ //"WHO" = (Maybe String)
+ //"WHOIS" = (Maybe String) [String]
+ //"WHOWAS" = (Maybe String) [String]
+ _ = Left $ "Unknown command: " +++ cmd
+
+parsePrefix :: Parser Char (Maybe (Either String IRCUser))
+parsePrefix = optional (parseEither parseHost parseUser) <* spaceParser
+
+parseReply :: Parser Char IRCNumReply
+parseReply = (toString <$> pSome pDigit)
+ >>= \rep->pMiddle
+ >>= \recipient->spaceParser >>| (toString <$> pSome (pNoneOf illegal))
+ >>= \msg->pure {IRCNumReply|irc_reply=fs rep,irc_recipient=recipient,irc_message=msg}
+ where
+ fs :: String -> IRCReplies
+ fs s = fromInt $ toInt s
+
+spaceParser :: Parser Char [Char]
+spaceParser = pMany $ pToken ' '
+
+parseServer :: Parser Char String
+parseServer = pFail
+
+parseEither :: (Parser a b) (Parser a c) -> Parser a (Either b c)
+parseEither p q = Left <$> p <|> Right <$> q
+
+parseUser :: Parser Char IRCUser
+parseUser = pToken ':' >>| parseNick
+ >>= \nick->optional (pToken '!' >>| parseUsr)
+ >>= \muser->optional (pToken '@' >>| parseHost)
+ >>= \mhost->pure {IRCUser | irc_nick=nick, irc_user=muser, irc_host=mhost}
+
+parseUsr :: Parser Char String
+parseUsr = toString <$> pSome (pNoneOf [' ', '@':illegal])
+
+parseNick :: Parser Char String
+parseNick = pAlpha >>= \c->pMany (pAlpha <|> pDigit <|> pSpecial)
+ >>= \cs->pure (toString [c:cs])
+
+pSpecial :: Parser Char Char
+pSpecial = pOneOf ['-', '[', ']', '\\', '\`', '^', '{', '}']
+
+parseHost :: Parser Char String
+parseHost = pToken ':' >>| (concat <$> pSepBy parseName (pToken '.'))
+ where
+ parseName :: Parser Char String
+ parseName = toString <$> pSome (pAlpha <|> pDigit <|> pOneOf ['-'])
+
+instance toString IRCNumReply where
+ toString m = toInt m.irc_reply <+ " " <+ m.irc_recipient <+ " " <+ formatMSG m.irc_message
+instance toString IRCMessage where
+ toString m = maybe "" (\s->either id ((<+) ":") s <+ " ") m.irc_prefix
+ <+ either toString toString m.irc_command
+
+instance toString IRCUser where
+ toString m = m.irc_nick <+ maybe "" ((<+) "!") m.irc_user
+ <+ maybe "" ((<+) "@") m.irc_host
+
+cons :: a [a] -> [a]
+cons a as = [a:as]
+
+pMiddle :: Parser Char String
+pMiddle = fmap toString $
+ spaceParser >>| liftM2 cons (pNotSatisfy ((==)':')) (pMany $ pNoneOf [' ':illegal])
+
+pTrailing :: Parser Char String
+pTrailing = fmap toString $
+ spaceParser >>| pToken ':' >>| pMany (pNoneOf illegal)
+
+pParam :: Parser Char String
+pParam = pMiddle <|> pTrailing
+
+pNoneOf :: [a] -> Parser a a | Eq a
+pNoneOf l = pSatisfy (not o flip isMember l)
+
+pNotSatisfy :: (a -> Bool) -> Parser a a | Eq a
+pNotSatisfy f = pSatisfy (not o f)
+
+pInt :: Parser Char Int
+pInt = toInt o toString <$> (spaceParser >>| pSome pDigit)
+
+illegal :: [Char]
+illegal = ['\x00','\r','\n']
+
+instance toString IRCCommand where
+ toString r = jon " " (print r) +++ "\r\n"
+
+print :: IRCCommand -> [String]
+print r = case r of
+ ADMIN mm = ["ADMIN":maybeToList mm]
+ //AWAY String
+ //CONNECT String (Maybe (Int, Maybe String))
+ //DIE
+ //ERROR String
+ //INFO (Maybe String)
+ //INVITE String String
+ //ISON [String]
+ JOIN chs = ["JOIN",if (isEmpty chs) "0"
+ (jon ", " [jon " " [ch:maybeToList mk]\\(ch, mk)<-chs])]
+ //KICK String String (Maybe String)
+ //KILL String String
+ //LINKS (Maybe (Maybe String, String))
+ //LIST (Maybe ([String], Maybe String))
+ //LUSERS (Maybe (String, Maybe String))
+ //MODE String String (Maybe String) (Maybe String) (Maybe String)
+ //MOTD (Maybe String)
+ //NAMES [String]
+ NICK n ms = ["NICK", n]
+ //NJOIN
+ //NOTICE String String
+ //OPER String String
+ //PART [String]
+ //PASS String
+ PING a mb = ["PING",a:maybeToList mb]
+ PONG a mb = ["PONG",a:maybeToList mb]
+ PRIVMSG dest msg = ["PRIVMSG",jon "," dest,formatMSG msg]
+ QUIT msg = ["QUIT":maybeToList msg]
+ //REHASH
+ //RESTART
+ //SERVER
+ //SERVICE String String String String
+ //SERVLIST (Maybe (String, Maybe String))
+ //SQUERY String String
+ //SQUIRT
+ //SQUIT String String
+ //STATS (Maybe (String, Maybe String))
+ //SUMMON String (Maybe (String, Maybe String))
+ //TIME (Maybe String)
+ //TOPIC String (Maybe String)
+ //TRACE (Maybe String)
+ USER login mode rn = ["USER", login, mode, "*", ":"+++rn]
+ //USERHOST [String]
+ //USERS (Maybe String)
+ //VERSION (Maybe String)
+ //WALLOPS String
+ //WHO (Maybe String)
+ //WHOIS (Maybe String) [String]
+ //WHOWAS (Maybe String) [String]
+ _ = [printToString r]
+
+formatMSG :: String -> String
+formatMSG s = if (indexOf " " s > 0 || indexOf " " s > 0) (":" +++ s) s