diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/Configuration.hs | 53 | ||||
| -rw-r--r-- | app/Main.hs | 27 | 
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 | 
