module Network.IRC.Parse (
parse
) where
import Control.Applicative hiding ((<|>), many)
import Network.IRC.Message
import Text.Parsec.Char
import Text.Parsec.Combinator
import Text.Parsec.Error (ParseError)
import Text.Parsec.Prim hiding (parse)
import Text.Parsec.String
parse :: String -> Either ParseError Message
parse = runParser message () "IRC Message"
message :: Parser Message
message = Message
<$> option Me (try sender)
<*> command
<*> many (try shortArgument)
<*> option Nothing (Just <$> longArgument)
sender :: Parser Sender
sender = do
char ':'
s <- try user <|> servername
char ' '
return s
servername :: Parser Sender
servername = ServerName <$> host
user :: Parser Sender
user = User
<$> nick
<*> (char '!' *> username)
<*> (char '@' *> host)
nick :: Parser String
nick = (:) <$> letter <*> many (letter <|> number <|> oneOf "-[]\\`^{}")
number :: Parser Char
number = oneOf "0123456789"
username :: Parser String
username = many1 $ noneOf " \0\r\n@"
host :: Parser String
host = username
nonWhite :: Parser Char
nonWhite = noneOf " \0\r\n"
command :: Parser String
command = many1 letter <|> (show <$> many1 number)
shortArgument :: Parser String
shortArgument = do
char ' '
(:) <$> noneOf ": \0\r\n" <*> many nonWhite
longArgument :: Parser String
longArgument = do
string " :"
many (noneOf "\0\r\n")
