import Data.Int
import Data.List
+import Network.IMAP.Parser.Prim
+
{- | Read a full response from the server. -}
readFullResponse :: Monad m =>
IMAPConnection m -> -- ^ The connection to the server
case i =~ "\\{([0-9]+)\\}$" :: (String, String, String, [String]) of
(_, _, _, [x]) -> Just (read x)
_ -> Nothing
+
+----------------------------------------------------------------------
+-- Response parsing
+----------------------------------------------------------------------
+
+{- | Returns Left for a "BYE" response, or Right if we are ready to
+proceed with auth (or preauth). -}
+greeting :: IMAPParser (Either RespText (AuthReady, RespText))
+greeting =
+ do string "* "
+ (respCondBye >>= return . Left) <|>
+ (respCondAuth >>= return . Right)
+
+data AuthReady = AUTHOK | AUTHPREAUTH
+ deriving (Eq, Read, Show)
+
+data RespText = RespText {respTextCode :: Maybe String,
+ respTextMsg :: String}
+ deriving (Eq, Read, Show)
+
+respCondAuth :: IMAPParser (AuthReady, RespText)
+respCondAuth =
+ do s <- (string "OK" >> return AUTHOK) <|>
+ (string "PREAUTH" >> return AUTHPREAUTH)
+ sp
+ t <- respText
+ return (s, t)
+
+respCondBye :: IMAPParser RespText
+respCondBye =
+ do string "BYE "
+ respText
+
+-- Less strict than mandated in RFC3501 formal syntax
+respText :: IMAPParser RespText
+respText =
+ do code <- optionMaybe respTextCode
+ t <- text
+ return $ RespText code t
+ where respTextCode =
+ do char '['
+ a <- atom
+ sp
+ b <- option "" respTextCodeText
+ char ']'
+ sp
+ return (a ++ " " ++ b)
+ respTextCodeText = many1 (noneOf (']' : crlf))
+
\ No newline at end of file