+:: IRCMessage =
+ { irc_prefix :: Maybe (Either String IRCUser)
+ , irc_command :: IRCCommands
+ }
+
+:: IRCUser =
+ { irc_nick :: String
+ , irc_user :: Maybe String
+ , irc_host :: Maybe String
+ }
+
+//Start = runParser parseMessage $ fromString ":frobnicator!~frobnicat@92.110.128.124 PRIVMSG #cloogle :!query ^_^\r\n"
+Start = runParser parseMessage $ fromString ":frobnicator!~frobnicat@92.110.128.124 QUIT\r\n"
+
+(<+) infixr 5 :: a b -> String | toString a & toString b
+(<+) a b = toString a +++ toString b
+
+parseIRCMessage :: (String -> Either [Error] IRCMessage)
+parseIRCMessage = parse parseMessage o fromString
+
+parseMessage :: Parser Char IRCMessage
+parseMessage = optional (parseEither parseHost parseUser) <* spaceParser
+ >>= \mprefix->parseCommand
+ <* pToken '\r' <* pToken '\n'
+ >>= \cmd->pure {IRCMessage | irc_prefix=mprefix, irc_command=cmd}
+
+pCommand :: String -> Parser Char [Char]
+pCommand s = pList (map pToken $ fromString s) <* spaceParser
+
+parseCommand :: Parser Char IRCCommands
+parseCommand = pFail//pCommand "QUIT" >>| QUIT <$> optional (pure "")
+
+
+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 <$> pSome (pSatisfy (not o flip isMember [' ', '\x00', '\x0d', '\x0a', '@']))
+
+parseNick :: Parser Char String
+parseNick = pAlpha >>= \c->pMany (pAlpha <|> pDigit <|> pSpecial)
+ >>= \cs->pure (toString [c:cs])
+
+pSpecial :: Parser Char Char
+pSpecial = pOneOf ['-', '[', ']', '\\', '\`', '^', '{', '}']
+
+parseHost :: Parser Char String
+parseHost = parseName
+ >>= \nm->pMany (pToken '.' >>| parseName)
+ >>= \nms->pure (concat [nm:nms])
+ where
+ parseName :: Parser Char String
+ parseName = toString <$> pSome (pAlpha <|> pDigit <|> pToken '.')
+
+IRCCommandParser :: Parser Char IRCCommands
+IRCCommandParser = pFail
+
+instance toString IRCMessage where
+ toString m = maybe "" (\s->either id ((<+) ":") s <+ " ") m.irc_prefix <+ m.irc_command
+
+instance toString IRCUser where
+ toString m = m.irc_nick <+ maybe "" ((<+) "!") m.irc_user
+ <+ maybe "" ((<+) "@") m.irc_host
+
repositories / cloogle-irc.git / commitdiff