become a proper stack project

1 files changed, 0 insertions, 91 deletions

diff --git a/RegUtils.hs b/RegUtils.hs
deleted file mode 100644
index eccb6ad..0000000
--- a/RegUtils.hs
+++ /dev/null
@@ -1,91 +0,0 @@
-{-
- - Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
- - This file is licensed under the terms of the MIT License.
- - See LICENSE.txt for details.
--}
-
-module RegUtils ( delValue
-                , getString
-                , hkcu
-                , hklm
-                , setString ) where
-
-import Control.Exception ( bracket )
-import Data.Maybe ( fromMaybe )
-import Foreign.ForeignPtr ( withForeignPtr )
-import Foreign.Marshal.Alloc ( alloca, allocaBytes )
-import Foreign.Ptr ( castPtr, plusPtr )
-import Foreign.Storable ( peek, poke, sizeOf )
-import Graphics.Win32.Window ( sendMessage )
-import System.IO.Error ( mkIOError, doesNotExistErrorType )
-import System.Win32.Types
-import System.Win32.Registry
-
-getType :: HKEY -> String -> String -> IO (Maybe RegValueType)
-getType key subKeyPath valueName =
-  bracket (regOpenKey key subKeyPath) regCloseKey $ \key ->
-  withForeignPtr key $ \p_key ->
-  withTString valueName $ \p_valueName ->
-  alloca $ \p_type -> do
-    ret <- c_RegQueryValueEx p_key p_valueName nullPtr p_type nullPtr nullPtr
-    case ret of
-      0x0 -> do
-        type_ <- peek p_type
-        return $ Just type_
-      0x2 -> return Nothing
-      _   -> failWith "RegQueryValueEx" ret
-
-getString :: HKEY -> String -> String -> IO String
-getString key subKeyPath valueName =
-  bracket (regOpenKey key subKeyPath) regCloseKey $ \key ->
-  withForeignPtr key $ \p_key ->
-  withTString valueName $ \p_valueName ->
-  alloca $ \dataSizePtr -> do
-    poke dataSizePtr 0
-    ret <- c_RegQueryValueEx p_key p_valueName nullPtr nullPtr nullPtr dataSizePtr
-    case ret of
-      0x0 -> do
-        dataSize <- peek dataSizePtr
-        let newDataSize = dataSize + fromIntegral (sizeOf (undefined :: TCHAR))
-        poke dataSizePtr newDataSize
-        allocaBytes (fromIntegral newDataSize) $ \dataPtr -> do
-          poke (castPtr $ plusPtr dataPtr $ fromIntegral dataSize) '\0'
-          failUnlessSuccess "RegQueryValueEx" $
-            c_RegQueryValueEx p_key p_valueName nullPtr nullPtr dataPtr dataSizePtr
-          peekTString $ castPtr dataPtr
-      0x2 -> ioError $ mkIOError doesNotExistErrorType "RegQueryValueEx" Nothing $ Just (subKeyPath ++ "\\" ++ valueName)
-      _   -> failWith "RegQueryValueEx" ret
-
-setString :: HKEY -> String -> String -> String -> IO ()
-setString key subKeyPath valueName valueValue =
-  bracket (regOpenKey key subKeyPath) regCloseKey $ \subKey ->
-  withTString valueValue $ \p_valueValue -> do
-    type_ <- getType key subKeyPath valueName
-    regSetValueEx subKey valueName (fromMaybe rEG_SZ type_) p_valueValue $ (length valueValue + 1) * sizeOf (undefined :: TCHAR)
-    notifyEnvironmentUpdate
-
-notifyEnvironmentUpdate :: IO ()
-notifyEnvironmentUpdate =
-  withTString "Environment" $ \p_lparam -> do
-    let wparam = 0
-    let lparam = fromIntegral $ castPtrToUINTPtr p_lparam
-    let hwnd = castUINTPtrToPtr 0xffff
-    sendMessage hwnd wM_SETTINGCHANGE wparam lparam
-    return ()
-      where
-        wM_SETTINGCHANGE = 0x1A
-
-delValue :: HKEY -> String -> String -> IO ()
-delValue key subKeyPath valueName =
-  bracket (regOpenKey key subKeyPath) regCloseKey $ \subKey ->
-  withForeignPtr subKey $ \subKeyPtr ->
-  withTString valueName $ \p_valueName -> do
-    ret <- c_RegDeleteValue subKeyPtr p_valueName
-    notifyEnvironmentUpdate
-    case ret of
-      0x0 -> return ()
-      0x2 -> ioError $ mkIOError doesNotExistErrorType "RegQueryValueEx" Nothing $ Just (subKeyPath ++ "\\" ++ valueName)
-      _   -> failWith "RegDeleteValue" ret
-
-hkcu = hKEY_CURRENT_USER
-hklm = hKEY_LOCAL_MACHINE