blob: f4144f782c7560f0acd159f9abfa6406d94570d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
{-# LANGUAGE FlexibleContexts #-}
module Config
( getConfig
, Config(..)
) where
import Data.ConfigFile
import Data.Text (Text)
import qualified Data.Text as T
import Control.Monad.Trans.Error (runErrorT)
import Control.Monad.IO.Class (liftIO)
import Control.Monad (join)
import Control.Arrow (left)
import Control.Applicative (liftA2)
data Config = Config
{ hostname :: Text
, port :: Int
} deriving (Read, Eq, Show)
getConfig :: FilePath -> IO (Either String Config)
getConfig filePath =
left show <$> (runErrorT $ do
cp <- join $ liftIO $ readfile emptyCP filePath
liftA2
Config
(T.pack <$> get cp "DEFAULT" "hostname")
(get cp "DEFAULT" "port")
)
|
