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{-# LANGUAGE LambdaCase #-}
module Hirc.Parser where
import Data.Char
import Hirc.Types
import Text.Parsec
import Text.Parsec.String
message :: Parser Message
message =
Message <$> optionMaybe (char ':' *> prefix <* spaces1) <*> command <*> params
where
spaces1 = skipMany1 space
prefix = Prefix <$> nick
<*> optionMaybe (char '!' *> user)
<*> optionMaybe (char '@' *> host)
nick = many1 (noneOf " !@")
user = many1 (noneOf " !@")
host = many1 (noneOf " !@")
command = many1 nonspace
params = many1 (spaces1 *> (trailing <|> middle))
trailing = char ':' *> many anyChar
middle = many1 nonspace
nonspace = satisfy (not . isSpace)
nickNum :: Parser (String, Int)
nickNum =
(,) <$> (many1 (satisfy (not . isDigit)))
<*> ((digitToInt <$> digit) <|> pure 0)
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