implementation module IRC
-import GenPrint
-import StdOverloaded
+import StdEnv
+
+import Control.Applicative
+import Control.Monad => qualified join
+import Data.Either
+import Data.Func
import Data.Maybe
-from StdMisc import undef
+import Text
+import Text.GenPrint
+import Text.Parsers.Simple.Chars
+import Text.Parsers.Simple.Core
+
+import GenIRC
+
+derive gPrint IRCErrors, IRCReplies, Maybe, Either, IRCUser, IRCNumReply
+
+Start = (map (fmap toString) msgs, msgs)
+where
+ msgs =
+ [ parseIRCMessage ":clooglebot!~cloogle@dhcp-077-249-221-037.chello.nl QUIT\r\n"
+ , parseIRCMessage ":clooglebot!~cloogle QUIT\r\n"
+ , parseIRCMessage ":frobnicator!~frobnicat@92.110.128.124 QUIT\r\n"
+ , parseIRCMessage ":frobnicator!~frobnicat@92.110.128.124 AWAY test\r\n"
+ , parseIRCMessage ":frobnicator!~frobnicat@92.110.128.124 AWAY :test with spaces\r\n"
+ , parseIRCMessage ":cherryh.freenode.net NOTICE * :*** Found your hostname\r\n"
+ , parseIRCMessage ":cherryh.freenode.net QUIT :hoi hoi\r\n"
+ , parseIRCMessage ":cherryh.freenode.net JOIN #cha,#ch-b #twilight\r\n"
+ , parseIRCMessage ":cherryh.freenode.net ISON a b c d e f :g h\r\n"
+ , parseIRCMessage ":wilhelm.freenode.net 001 clooglebot :Welcome to the freenode Internet Relay Chat Network clooglebot\r\n"
+ , parseIRCMessage "PING :orwell.freenode.net\r\n"
+ , parseIRCMessage ":ChanServ!ChanServ@services. MODE #cloogle +o frobnicator\r\n"
+ , parseIRCMessage ":qbot_v01!~qbot@ip-213-124-170-20.ip.prioritytelecom.net PRIVMSG ##chinees :[link] Cloogle - https://cloogle.org"
+ ]
+
+parseIRCMessage :: String -> Either [Error] IRCMessage
+parseIRCMessage s = case runParser parsePrefix (fromString s) of
+ // Prefix is parsed
+ ([(prefix, rest):_], _)
+ //Try parsing a numeric reply
+ = case parse parseReply rest of
+ //Try a normal command
+ 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}
+ // Error parsing prefix
+ (_, es) = Left ["Error parsing prefix"]
+
+//Prefix
+parsePrefix :: Parser Char (Maybe (Either IRCUser String))
+parsePrefix
+ = optional (pToken ':' >>| parseEither parseUser parseHost <* pToken ' ')
+where
+ parseEither :: (Parser a b) (Parser a c) -> Parser a (Either b c)
+ parseEither p q = Left <$> p <|> Right <$> q
-derive gPrint IRCCommands, IRCReplies, IRCErrors, (,), Maybe, ()
+ parseUser :: Parser Char IRCUser
+ parseUser = 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 <$> pSome (pNoneOf [' ', '@':illegal])
+
+ parseNick :: Parser Char String
+ parseNick = pAlpha
+ >>= \c ->pMany (pAlpha <|> pDigit <|> pOneOf (fromString "_-[]\\`^{}"))
+ >>= \cs->pure (toString [c:cs])
-instance toString IRCCommands where toString r = printToString r
+ parseHost :: Parser Char String
+ parseHost = join "." <$> (pSepBy parseName (pToken '.'))
+ >>= \s->optional (pToken '.') >>= pure o maybe s (\p->s+++toString s)
+ where
+ parseName :: Parser Char String
+ parseName = toString <$> pSome (pAlpha <|> pDigit <|> pOneOf ['-', '/'])
+
+//Parse Cmd
+parseCmd :: [Char] -> Either Error IRCCommand
+parseCmd cs = fst $ gIRCParse{|*|} $ argfun $ split " " $ toString cs
+ where
+ argfun :: [String] -> [String]
+ argfun [] = []
+ argfun [x:xs]
+ # x = trim x
+ | x.[0] == ':' = [join " " $ [x % (1, size x):map rtrim xs]]
+ | otherwise = [x:argfun xs]
+
+//Reply
+parseReply :: Parser Char IRCNumReply
+parseReply = spaceParser
+ >>| (pMany (pToken '0') >>| pSome pDigit <* spaceParser)
+ >>= \rep->(toString <$> pSome (pNoneOf [' ':illegal]) <* spaceParser)
+ >>= \rec->(toString <$> pSome (pNoneOf illegal))
+ >>= \msg->pure {IRCNumReply
+ | irc_reply = fromInt $ toInt $ toString rep
+ , irc_recipient = rec
+ , irc_message = msg % (if (msg.[0] == ':') 1 0, size msg)
+ }
+ <* pToken '\r' <* pToken '\n'
+ where
+ spaceParser :: Parser Char [Char]
+ spaceParser = pMany $ pToken ' '
+
+//Common parsers
+pNoneOf :: [a] -> Parser a a | Eq a
+pNoneOf l = pSatisfy (not o flip isMember l)
+
+illegal :: [Char]
+illegal = ['\x00','\r','\n']
+
+instance toString IRCNumReply where
+ toString m = lpad (toString $ toInt m.irc_reply) 3 '0' <+ " " <+
+ m.irc_recipient <+ " " <+ concat (gIRCPrint{|*|} 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
+instance toString IRCCommand where
+ toString m = join " " (gIRCPrint{|*|} m) +++ "\r\n"
instance toString IRCReplies where toString r = printToString r
instance toString IRCErrors where toString r = printToString r
+(<+) infixr 5 :: a b -> String | toString a & toString b
+(<+) a b = toString a +++ toString b
+
instance fromInt IRCReplies where
fromInt r = case r of
1 = RPL_WELCOME
393 = RPL_USERS
394 = RPL_ENDOFUSERS
395 = RPL_NOUSERS
- _ = undef
+ _ = RPL_UNKNOWN
instance toInt IRCReplies where
toInt r = case r of
RPL_USERS = 393
RPL_ENDOFUSERS = 394
RPL_NOUSERS = 395
+ RPL_UNKNOWN = 998
instance fromInt IRCErrors where
fromInt r = case r of
491 = ERR_NOOPERHOST
501 = ERR_UMODEUNKNOWNFLAG
502 = ERR_USERSDONTMATCH
+ _ = ERR_UNKNOWN
instance toInt IRCErrors where
toInt r = case r of
ERR_NOOPERHOST = 491
ERR_UMODEUNKNOWNFLAG = 501
ERR_USERSDONTMATCH = 502
+ ERR_UNKNOWN = 999