Reorganisation of the source tree

[ghc-hetmet.git] / ghc / lib / compat / Compat / Directory.hs

diff --git a/ghc/lib/compat/Compat/Directory.hs b/ghc/lib/compat/Compat/Directory.hs
deleted file mode 100644 (file)
index e6e4cd4..0000000
--- a/ghc/lib/compat/Compat/Directory.hs
+++ /dev/null
@@ -1,131 +0,0 @@
-{-# OPTIONS -cpp #-}
------------------------------------------------------------------------------
--- |
--- Module      :  Compat.Directory
--- Copyright   :  (c) The University of Glasgow 2001-2004
--- License     :  BSD-style (see the file libraries/base/LICENSE)
--- 
--- Maintainer  :  libraries@haskell.org
--- Stability   :  provisional
--- Portability :  portable
---
--- Functions from System.Directory that aren't present in older versions
--- of that library.
---
------------------------------------------------------------------------------
-
-module Compat.Directory (
-       getAppUserDataDirectory,
-       copyFile,
-       findExecutable,
-       createDirectoryIfMissing
-  ) where
-
-#include "../../includes/ghcconfig.h"
-
-import System.Environment (getEnv)
-import System.Directory.Internals
-#if __GLASGOW_HASKELL__ > 600
-import Control.Exception       ( bracket )
-import Control.Monad           ( when )
-import Foreign.Marshal.Alloc   ( allocaBytes )
-import System.IO (IOMode(..), openBinaryFile, hGetBuf, hPutBuf, hClose)
-import System.IO.Error         ( try )
-import GHC.IOBase ( IOException(..), IOErrorType(..) )
-#else
-import System.IO               ( try )
-#endif
-#if __GLASGOW_HASKELL__ && defined(mingw32_HOST_OS)
-import Foreign.Ptr
-import Foreign.C
-#endif
-import System.Directory(doesFileExist, doesDirectoryExist, getPermissions, setPermissions, createDirectory)
-
-getAppUserDataDirectory :: String -> IO FilePath
-getAppUserDataDirectory appName = do
-#if __GLASGOW_HASKELL__ && defined(mingw32_HOST_OS)
-  allocaBytes long_path_size $ \pPath -> do
-     r <- c_SHGetFolderPath nullPtr csidl_APPDATA nullPtr 0 pPath
-     when (r<0) (raiseUnsupported "Compat.Directory.getAppUserDataDirectory")
-     s <- peekCString pPath
-     return (s++'\\':appName)
-#else
-  path <- getEnv "HOME"
-  return (path++'/':'.':appName)
-#endif
-
-#if __GLASGOW_HASKELL__ && defined(mingw32_HOST_OS)
-foreign import ccall unsafe "directory.h __hscore_getFolderPath"
-            c_SHGetFolderPath :: Ptr () 
-                              -> CInt 
-                              -> Ptr () 
-                              -> CInt 
-                              -> CString 
-                              -> IO CInt
-
--- __compat_long_path_size defined in cbits/directory.c
-foreign import ccall unsafe "directory.h __compat_long_path_size"
-  long_path_size :: Int
-
-foreign import ccall unsafe "directory.h __hscore_CSIDL_APPDATA"  csidl_APPDATA  :: CInt
-
-raiseUnsupported loc = 
-   ioError (IOError Nothing UnsupportedOperation loc "unsupported operation" Nothing)
-#endif
-
-
-copyFile :: FilePath -> FilePath -> IO ()
-copyFile fromFPath toFPath =
-#if (!(defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ > 600))
-       do readFile fromFPath >>= writeFile toFPath
-          try (getPermissions fromFPath >>= setPermissions toFPath)
-          return ()
-#else
-       (bracket (openBinaryFile fromFPath ReadMode) hClose $ \hFrom ->
-        bracket (openBinaryFile toFPath WriteMode) hClose $ \hTo ->
-        allocaBytes bufferSize $ \buffer -> do
-               copyContents hFrom hTo buffer
-               try (getPermissions fromFPath >>= setPermissions toFPath)
-               return ()) `catch` (ioError . changeFunName)
-       where
-               bufferSize = 1024
-               
-               changeFunName (IOError h iot fun str mb_fp) = IOError h iot "copyFile" str mb_fp
-               
-               copyContents hFrom hTo buffer = do
-                       count <- hGetBuf hFrom buffer bufferSize
-                       when (count > 0) $ do
-                               hPutBuf hTo buffer count
-                               copyContents hFrom hTo buffer
-#endif
-
-
-findExecutable :: String -> IO (Maybe FilePath)
-findExecutable binary = do
-  path <- getEnv "PATH"
-  search (parseSearchPath path)
-  where
-#ifdef mingw32_HOST_OS
-    fileName = binary `joinFileExt` "exe"
-#else
-    fileName = binary
-#endif
-
-    search :: [FilePath] -> IO (Maybe FilePath)
-    search [] = return Nothing
-    search (d:ds) = do
-       let path = d `joinFileName` fileName
-       b <- doesFileExist path
-       if b then return (Just path)
-             else search ds
-
-createDirectoryIfMissing :: Bool     -- ^ Create its parents too?
-                        -> FilePath -- ^ The path to the directory you want to make
-                        -> IO ()
-createDirectoryIfMissing parents file = do
-  b <- doesDirectoryExist file
-  case (b,parents, file) of 
-    (_,     _, "") -> return ()
-    (True,  _,  _) -> return ()
-    (_,  True,  _) -> mapM_ (createDirectoryIfMissing False) (tail (pathParents file))
-    (_, False,  _) -> createDirectory file