From e9e80fc389365e24d4300d7d5390c7d833a96c50 Mon Sep 17 00:00:00 2001
From: aarne <aarne@cs.chalmers.se>
Date: Wed, 25 Jun 2008 16:54:35 +0000
Subject: changed names of resource-1.3; added a note on homepage on release

---
 src/GF/System/UseReadline.hs | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/GF/System/UseReadline.hs

(limited to 'src/GF/System/UseReadline.hs')

diff --git a/src/GF/System/UseReadline.hs b/src/GF/System/UseReadline.hs
new file mode 100644
index 000000000..a0e051601
--- /dev/null
+++ b/src/GF/System/UseReadline.hs
@@ -0,0 +1,36 @@
+----------------------------------------------------------------------
+-- |
+-- 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.UseReadline (fetchCommand, setCompletionFunction, filenameCompletionFunction) where
+
+import System.Console.Readline
+
+fetchCommand :: String -> IO (String)
+fetchCommand s = do
+  setCompletionAppendCharacter Nothing
+  setBasicQuoteCharacters ""
+  res <- readline s
+  case res of
+   Nothing -> return "q"
+   Just s -> do addHistory s
+                return s
+
+setCompletionFunction :: Maybe (String -> String -> Int -> IO [String]) -> IO ()
+setCompletionFunction Nothing   = setCompletionEntryFunction Nothing
+setCompletionFunction (Just fn) = setCompletionEntryFunction (Just my_fn)
+  where
+    my_fn prefix = do
+      s <- getLineBuffer
+      p <- getPoint
+      fn s prefix p
-- 
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