summaryrefslogtreecommitdiff
path: root/Utility/FileSystemEncoding.hs
diff options
context:
space:
mode:
Diffstat (limited to 'Utility/FileSystemEncoding.hs')
-rw-r--r--Utility/FileSystemEncoding.hs27
1 files changed, 21 insertions, 6 deletions
diff --git a/Utility/FileSystemEncoding.hs b/Utility/FileSystemEncoding.hs
index 785b078ef..444dc4a90 100644
--- a/Utility/FileSystemEncoding.hs
+++ b/Utility/FileSystemEncoding.hs
@@ -19,6 +19,10 @@ module Utility.FileSystemEncoding (
encodeW8NUL,
decodeW8NUL,
truncateFilePath,
+ s2w8,
+ w82s,
+ c2w8,
+ w82c,
) where
import qualified GHC.Foreign as GHC
@@ -27,15 +31,14 @@ import Foreign.C
import System.IO
import System.IO.Unsafe
import Data.Word
-import Data.Bits.Utils
import Data.List
-import Data.List.Utils
import qualified Data.ByteString.Lazy as L
#ifdef mingw32_HOST_OS
import qualified Data.ByteString.Lazy.UTF8 as L8
#endif
import Utility.Exception
+import Utility.Split
{- Makes all subsequent Handles that are opened, as well as stdio Handles,
- use the filesystem encoding, instead of the encoding of the current
@@ -139,14 +142,26 @@ decodeW8 = s2w8 . _encodeFilePath
{- Like encodeW8 and decodeW8, but NULs are passed through unchanged. -}
encodeW8NUL :: [Word8] -> FilePath
-encodeW8NUL = intercalate nul . map encodeW8 . split (s2w8 nul)
+encodeW8NUL = intercalate [nul] . map encodeW8 . splitc (c2w8 nul)
where
- nul = ['\NUL']
+ nul = '\NUL'
decodeW8NUL :: FilePath -> [Word8]
-decodeW8NUL = intercalate (s2w8 nul) . map decodeW8 . split nul
+decodeW8NUL = intercalate [c2w8 nul] . map decodeW8 . splitc nul
where
- nul = ['\NUL']
+ nul = '\NUL'
+
+c2w8 :: Char -> Word8
+c2w8 = fromIntegral . fromEnum
+
+w82c :: Word8 -> Char
+w82c = toEnum . fromIntegral
+
+s2w8 :: String -> [Word8]
+s2w8 = map c2w8
+
+w82s :: [Word8] -> String
+w82s = map w82c
{- Truncates a FilePath to the given number of bytes (or less),
- as represented on disk.