module Xmobar.Plugins.StdinReader (StdinReader(..)) where
import Prelude
import System.Posix.Process
import System.Exit
import System.IO
import Control.Exception (SomeException(..), handle)
import Xmobar.Run.Exec
import Xmobar.X11.Actions (stripActions)
import Xmobar.System.Utils (hGetLineSafe)
data StdinReader = StdinReader | UnsafeStdinReader
deriving (Read, Show)
instance Exec StdinReader where
start stdinReader cb = do
s <- handle (\(SomeException e) -> do hPrint stderr e; return "")
(hGetLineSafe stdin)
cb $ escape stdinReader s
eof <- isEOF
if eof
then exitImmediately ExitSuccess
else start stdinReader cb
escape :: StdinReader -> String -> String
escape StdinReader = stripActions
escape UnsafeStdinReader = id