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-----------------------------------------------------------------------------
-- |
-- Module : Xmobar.Run.Actions
-- Copyright : (c) Alexander Polakov
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-----------------------------------------------------------------------------
module Xmobar.Run.Actions ( Button
, Action(..)
, runAction
, runAction'
, stripActions) where
import System.Process (system)
import Control.Monad (void)
import Text.Regex (Regex, subRegex, mkRegex, matchRegex)
import Data.Word (Word32)
type Button = Word32
data Action = Spawn [Button] String deriving (Eq, Read, Show)
runAction :: Action -> IO ()
runAction (Spawn _ s) = void $ system (s ++ "&")
-- | Run action with stdout redirected to stderr
runAction' :: Action -> IO ()
runAction' (Spawn _ s) = void $ system (s ++ " 1>&2 &")
stripActions :: String -> String
stripActions s = case matchRegex actionRegex s of
Nothing -> s
Just _ -> stripActions strippedOneLevel
where
strippedOneLevel = subRegex actionRegex s "[action=\\1\\2]\\3[/action]"
actionRegex :: Regex
actionRegex = mkRegex "<action=`?([^>`]*)`?( +button=[12345]+)?>(.+)</action>"
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