From 4d1402a1a7d87767267d48a77998e4fb13395b31 Mon Sep 17 00:00:00 2001
From: Pavan Rikhi <pavan.rikhi@gmail.com>
Date: Sat, 17 Mar 2018 22:48:24 -0400
Subject: Split Modules into Library & Executable Structure

Move the Main module to a new `app` directory. All other modules have
been nested under the `Xmobar` name. Lots of module headers & imports
were updated.
---
 src/Environment.hs | 49 -------------------------------------------------
 1 file changed, 49 deletions(-)
 delete mode 100644 src/Environment.hs

(limited to 'src/Environment.hs')

diff --git a/src/Environment.hs b/src/Environment.hs
deleted file mode 100644
index 1b7e48c..0000000
--- a/src/Environment.hs
+++ /dev/null
@@ -1,49 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  XMobar.Environment
--- Copyright   :  (c) William Song
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Will Song <incertia@incertia.net>
--- Stability   :  stable
--- Portability :  portable
---
--- A function to expand environment variables in strings
---
------------------------------------------------------------------------------
-module Environment(expandEnv) where
-
-import Control.Applicative  ((<$>))
-import Data.Maybe           (fromMaybe)
-import System.Environment   (lookupEnv)
-
-expandEnv :: String -> IO String
-expandEnv "" = return ""
-expandEnv (c:s) = case c of
-  '$'       -> do
-    envVar <- fromMaybe "" <$> lookupEnv e
-    remainder <- expandEnv s'
-    return $ envVar ++ remainder
-    where (e, s') = getVar s
-          getVar "" = ("", "")
-          getVar ('{':s'') = (takeUntil "}" s'', drop 1 . dropUntil "}" $ s'')
-          getVar s'' = (takeUntil filterstr s'', dropUntil filterstr s'')
-          filterstr = ",./? \t;:\"'~`!@#$%^&*()<>-+=\\|"
-          takeUntil f = takeWhile (not . flip elem f)
-          dropUntil f = dropWhile (not . flip elem f)
-
-  '\\' -> case s == "" of
-    True  -> return "\\"
-    False -> do
-      remainder <- expandEnv $ drop 1 s
-      return $ escString s ++ remainder
-      where escString s' = let (cc:_) = s' in
-              case cc of
-                't' -> "\t"
-                'n' -> "\n"
-                '$' -> "$"
-                _   -> [cc]
-
-  _    -> do
-    remainder <- expandEnv s
-    return $ c : remainder
-- 
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