1 files changed, 43 insertions, 0 deletions
diff --git a/src/compiler/GF/System/UseHaskeline.hs b/src/compiler/GF/System/UseHaskeline.hs
new file mode 100644
index 000000000..140407439
--- /dev/null
+++ b/src/compiler/GF/System/UseHaskeline.hs
@@ -0,0 +1,43 @@
+----------------------------------------------------------------------
+-- |
+-- Module      : GF.System.UseReadline
+-- Maintainer  : BB
+-- Stability   : (stable)
+-- Portability : (portable)
+--
+-- > CVS $Date: 2005/05/10 15:04:01 $ 
+-- > CVS $Author: bringert $
+-- > CVS $Revision: 1.1 $
+--
+-- Use GNU readline
+-----------------------------------------------------------------------------
+
+module GF.System.UseHaskeline (fetchCommand, setCompletionFunction, filenameCompletionFunction) where
+
+import System.Console.Haskeline
+import System.Directory
+
+fetchCommand :: String -> IO (String)
+fetchCommand s = do
+  settings <- getGFSettings
+  res <- runInputT settings (getInputLine s)
+  case res of
+   Nothing -> return "q"
+   Just s  -> return s
+
+getGFSettings :: IO (Settings IO)
+getGFSettings = do
+  path <- getAppUserDataDirectory "gf_history"
+  return $
+    Settings {
+      complete = completeFilename,
+      historyFile = Just path,
+      autoAddHistory = True
+    }
+
+
+setCompletionFunction :: Maybe (String -> String -> Int -> IO [String]) -> IO ()
+setCompletionFunction _   = return ()
+
+filenameCompletionFunction :: String -> IO [String]
+filenameCompletionFunction _ = return []