started with parsing

[cloogle-irc.git] / IRC.icl

diff --git a/IRC.icl b/IRC.icl
index 8ab91db..5601e9a 100644 (file)
--- a/IRC.icl
+++ b/IRC.icl
@@ -7,11 +7,99 @@ import Data.Maybe
 import Data.Either
 import StdFunc
 import StdString
-from Text import class Text(..), instance Text String
+import StdChar
+
+import Text.Parsers.Simple.Core
+import Text.Parsers.Simple.Chars
+import Control.Monad
+import Control.Applicative
+from Data.Functor import <$>
+
+from Data.Func import $
+from Text import class Text(concat), instance Text String
+import qualified Text
 from StdMisc import undef
 
+jon :== 'Text'.join
+
 derive gPrint IRCCommands, IRCReplies, IRCErrors, (,), Maybe, (), Either
 
+:: 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
+
 instance toString IRCCommands where
        toString r = flip (+++) "\r\n" case r of
        //ADMIN (Maybe String)
@@ -23,7 +111,7 @@ instance toString IRCCommands where
        //INVITE String String
        //ISON [String]
                JOIN chs = "JOIN " +++ (if (isEmpty chs) "0"
-                       (join ", " [join " " [ch:maybeToList mk]\\(ch, mk)<-chs]))
+                       (jon ", " [jon " " [ch:maybeToList mk]\\(ch, mk)<-chs]))
        //KICK String String (Maybe String)
        //KILL String String
        //LINKS (Maybe (Maybe String, String))
@@ -32,16 +120,16 @@ instance toString IRCCommands where
        //MODE String
        //MOTD (Maybe String)
        //NAMES [String]
-               NICK n = join " " ["NICK", n]
+               NICK n = jon " " ["NICK", n]
        //NJOIN 
        //NOTICE String String
        //OPER String String 
        //PART [String]
        //PASS String
-       //PING [String]
-       //PONG [String]
-               PRIVMSG dest msg = join " " ["PRIVMSG", dest, msg]
-               QUIT msg = join " " ["QUIT":maybeToList msg]
+               PING a mb = jon " " ["PING",a:maybeToList mb]
+               PONG a mb = jon " " ["PONG",a:maybeToList mb]
+               PRIVMSG dest msg = jon " " ["PRIVMSG", dest, ":"+++msg]
+               QUIT msg = jon " " ["QUIT":maybeToList msg]
        //REHASH 
        //RESTART 
        //SERVER 
@@ -55,7 +143,7 @@ instance toString IRCCommands where
        //TIME (Maybe String)
        //TOPIC String (Maybe String)
        //TRACE (Maybe String)
-               USER login mode rn = join " " ["USER", login, toString mode, "*", ":", rn]
+               USER login mode rn = jon " " ["USER", login, toString mode, "*", ":"+++rn]
        //USERHOST [String]
        //USERS (Maybe String)
        //VERSION (Maybe String)