Utilities for dealing with config and data directories

2 files changed, 23 insertions, 57 deletions

diff --git a/app/Configuration.hs b/app/Configuration.hs
deleted file mode 100644
index 3e30730..0000000
--- a/app/Configuration.hs
+++ /dev/null
@@ -1,53 +0,0 @@
-{-# LANGUAGE FlexibleContexts, CPP #-}
-
-------------------------------------------------------------------------------
--- |
--- Module: Configuration
--- Copyright: (c) 2018 Jose Antonio Ortega Ruiz
--- License: BSD3-style (see LICENSE)
---
--- Maintainer: jao@gnu.org
--- Stability: unstable
--- Portability: portable
--- Created: Wed Nov 21, 2018 23:13
---
---
--- Parsing configuration files
---
-------------------------------------------------------------------------------
-
-
-module Configuration (readConfig, readDefaultConfig) where
-
-import Control.Monad.IO.Class (liftIO)
-
-import System.Environment
-import System.Posix.Files (fileExist)
-
-import qualified Xmobar as X
-
--- | Reads the configuration files or quits with an error
-readConfig :: FilePath -> String -> IO (X.Config,[String])
-readConfig f usage = do
-  let err m = error $ f ++ ": " ++ m
-  file <- liftIO $ fileExist f
-  r <- if file
-       then X.readConfig X.defaultConfig f
-       else err $ "file not found" ++ "\n" ++ usage
-  case r of
-    Left e -> err (show e)
-    Right res -> return res
-
--- | Read default configuration file or load the default config
-readDefaultConfig :: String -> IO (X.Config,[String])
-readDefaultConfig usage = do
-  xdgConfigFile <- X.getXdgConfigFile
-  xdgConfigFileExists <- liftIO $ fileExist xdgConfigFile
-  home <- liftIO $ getEnv "HOME"
-  let defaultConfigFile = home ++ "/.xmobarrc"
-  defaultConfigFileExists <- liftIO $ fileExist defaultConfigFile
-  if xdgConfigFileExists
-    then readConfig xdgConfigFile usage
-    else if defaultConfigFileExists
-         then readConfig defaultConfigFile usage
-         else return (X.defaultConfig,[])
diff --git a/app/Main.hs b/app/Main.hs
index b5d3993..51bfe8b 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -23,11 +23,10 @@ import System.Exit
 import System.Environment (getArgs)
 import Control.Monad (unless)
 import Text.Read (readMaybe)
+import System.Posix.Files (fileExist)
 
 import Xmobar
-
 import Paths_xmobar (version)
-import Configuration as C (readConfig, readDefaultConfig)
 
 -- $main
 
@@ -36,12 +35,32 @@ main :: IO ()
 main = do
   (o,file) <- getArgs >>= getOpts
   (c,defaultings) <- case file of
-                       [cfgfile] -> C.readConfig cfgfile usage
-                       _ -> C.readDefaultConfig usage
+                       [cfgfile] -> config cfgfile usage
+                       _ -> defConfig usage
   unless (null defaultings || (not $ any (== Debug) o)) $ putStrLn $
     "Fields missing from config defaulted: " ++ intercalate "," defaultings
   doOpts c o >>= xmobar
 
+config :: FilePath -> String -> IO (Config,[String])
+config f msg = do
+  let err m = error $ f ++ ": " ++ m
+  file <- fileExist f
+  r <- if file
+       then readConfig defaultConfig f
+       else err $ "file not found" ++ "\n" ++ msg
+  case r of
+    Left e -> err (show e)
+    Right res -> return res
+
+-- | Read default configuration file or load the default config
+defConfig :: String -> IO (Config,[String])
+defConfig msg = do
+  xdgConfigFile <- xmobarConfigFile
+  xdgConfigFileExists <- fileExist xdgConfigFile
+  if xdgConfigFileExists
+    then config xdgConfigFile msg
+    else return (defaultConfig,[])
+
 data Opts = Help
           | Debug
           | Version