IRCBot.icl

   1 implementation module IRCBot
   2
   3 from Data.Func import $
   4 import Data.Either
   5 import Data.Error
   6 import Data.Maybe
   7 import IRC
   8 from Text import class Text(concat,split,join), instance Text String
   9 import StdList, StdString
  10 import TCPServer.Connection
  11
  12 bot ::  (String,Int) [IRCMessage] [IRCMessage] a (IRCMessage -> a -> .(*World -> *(Maybe [IRCMessage],a,*World))) *World -> *(Maybe String,a,*World)
  13 //bot :: (String, Int) [IRCMessage] [IRCMessage] .a (IRCMessage -> (.a -> .(*World -> *(Maybe [IRCMessage], .a, *World)))) *World -> *(Maybe String, .a, *World)
  14 bot (host, port) start end state bot w = case connect host port
  15                 { emptyConnection
  16                 & onConnect = onConnect
  17                 , onData    = onData
  18                 } ("", state) w of
  19         (Error e, w) = (Just e, state, w)
  20         (Ok (acc, state), w) = (Nothing, state, w)
  21 where
  22         onConnect s w = (Just (concat (map toString start)), connectionResponse s, w)
  23         onData d (acc, s) w = case split "\r\n" (acc +++ d) of
  24                 [m,rest:xs]
  25                         = case parseIRCMessage $ m +++ "\r\n" of
  26                                 // Do something with the error
  27                                 (Left err) = (Nothing, {connectionResponse ("", s) & stop=True}, w)// (Error $ "IRC Parsing error: " +++ join "\n" err, chan, state, w)
  28                                 (Right msg)
  29                                 # acc = join "\r\n" [rest:xs]
  30                                 # (mircc, state, w) = bot msg state w
  31                                 | isNothing mircc = (Just (concat (map toString end)), {connectionResponse (acc, s) & stop=True}, w)
  32                                 # tosendthis = concat (map toString (fromJust mircc))
  33                                 # (tosend, cr, w) = onData "" (acc, s) w
  34                                 = (Just (maybe tosendthis ((+++) tosendthis) tosend), cr, w)
  35                 [m] = (Nothing, connectionResponse (m, s), w)