{-# LANGUAGE Trustworthy #-}
{-# LANGUAGE CPP
, NoImplicitPrelude
, RecordWildCards
, NondecreasingIndentation
#-}
{-# OPTIONS_GHC -Wno-unused-matches #-}
module GHC.IO.Handle (
Handle,
BufferMode(..),
mkFileHandle, mkDuplexHandle,
hFileSize, hSetFileSize, hIsEOF, isEOF, hLookAhead,
hSetBuffering, hSetBinaryMode, hSetEncoding, hGetEncoding,
hFlush, hFlushAll, hDuplicate, hDuplicateTo,
hClose, hClose_help,
LockMode(..), hLock, hTryLock,
HandlePosition, HandlePosn(..), hGetPosn, hSetPosn,
SeekMode(..), hSeek, hTell,
hIsOpen, hIsClosed, hIsReadable, hIsWritable, hGetBuffering, hIsSeekable,
hSetEcho, hGetEcho, hIsTerminalDevice,
hSetNewlineMode, Newline(..), NewlineMode(..), nativeNewline,
noNewlineTranslation, universalNewlineMode, nativeNewlineMode,
hShow,
hWaitForInput, hGetChar, hGetLine, hGetContents, hGetContents', hPutChar, hPutStr,
hGetBuf, hGetBufNonBlocking, hPutBuf, hPutBufNonBlocking
) where
import GHC.IO
import GHC.IO.Exception
import GHC.IO.Encoding
import GHC.IO.Buffer
import GHC.IO.BufferedIO ( BufferedIO )
import GHC.IO.Device as IODevice
import GHC.IO.StdHandles
import GHC.IO.SubSystem
import GHC.IO.Handle.Lock
import GHC.IO.Handle.Types
import GHC.IO.Handle.Internals
import GHC.IO.Handle.Text
import qualified GHC.IO.BufferedIO as Buffered
import GHC.Base
import GHC.Exception
import GHC.MVar
import GHC.IORef
import GHC.Show
import GHC.Num
import GHC.Real
import Data.Maybe
import Data.Typeable
hClose :: Handle -> IO ()
hClose :: Handle -> IO ()
hClose = Handle -> IO ()
hClose_impl
hFileSize :: Handle -> IO Integer
hFileSize :: Handle -> IO Integer
hFileSize Handle
handle =
String -> Handle -> (Handle__ -> IO Integer) -> IO Integer
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hFileSize" Handle
handle ((Handle__ -> IO Integer) -> IO Integer)
-> (Handle__ -> IO Integer) -> IO Integer
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{haDevice :: ()
haDevice=dev
dev} -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> IO Integer
forall a. IO a
ioe_closedHandle
HandleType
SemiClosedHandle -> IO Integer
forall a. IO a
ioe_semiclosedHandle
HandleType
_ -> do Handle__ -> IO ()
flushWriteBuffer Handle__
handle_
Integer
r <- dev -> IO Integer
forall a. IODevice a => a -> IO Integer
IODevice.getSize dev
dev
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hFileSize: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
r String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
" " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Handle -> String
forall a. Show a => a -> String
show Handle
handle
if Integer
r Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
/= -Integer
1
then Integer -> IO Integer
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Integer
r
else IOException -> IO Integer
forall a. IOException -> IO a
ioException (Maybe Handle
-> IOErrorType
-> String
-> String
-> Maybe CInt
-> Maybe String
-> IOException
IOError Maybe Handle
forall a. Maybe a
Nothing IOErrorType
InappropriateType String
"hFileSize"
String
"not a regular file" Maybe CInt
forall a. Maybe a
Nothing Maybe String
forall a. Maybe a
Nothing)
hSetFileSize :: Handle -> Integer -> IO ()
hSetFileSize :: Handle -> Integer -> IO ()
hSetFileSize Handle
handle Integer
size =
String -> Handle -> (Handle__ -> IO ()) -> IO ()
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hSetFileSize" Handle
handle ((Handle__ -> IO ()) -> IO ()) -> (Handle__ -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{haDevice :: ()
haDevice=dev
dev} -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> IO ()
forall a. IO a
ioe_closedHandle
HandleType
SemiClosedHandle -> IO ()
forall a. IO a
ioe_semiclosedHandle
HandleType
_ -> do Handle__ -> IO ()
flushWriteBuffer Handle__
handle_
dev -> Integer -> IO ()
forall a. IODevice a => a -> Integer -> IO ()
IODevice.setSize dev
dev Integer
size
() -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
hIsEOF :: Handle -> IO Bool
hIsEOF :: Handle -> IO Bool
hIsEOF Handle
handle = String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantReadableHandle_ String
"hIsEOF" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
..} -> do
Buffer CharBufElem
cbuf <- IORef (Buffer CharBufElem) -> IO (Buffer CharBufElem)
forall a. IORef a -> IO a
readIORef IORef (Buffer CharBufElem)
haCharBuffer
if Bool -> Bool
not (Buffer CharBufElem -> Bool
forall e. Buffer e -> Bool
isEmptyBuffer Buffer CharBufElem
cbuf) then Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False else do
Buffer Word8
bbuf <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
if Bool -> Bool
not (Buffer Word8 -> Bool
forall e. Buffer e -> Bool
isEmptyBuffer Buffer Word8
bbuf) then Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False else do
(Int
r,Buffer Word8
bbuf') <- dev -> Buffer Word8 -> IO (Int, Buffer Word8)
forall dev.
BufferedIO dev =>
dev -> Buffer Word8 -> IO (Int, Buffer Word8)
Buffered.fillReadBuffer dev
haDevice Buffer Word8
bbuf
if Int
r Int -> Int -> Bool
forall a. Eq a => a -> a -> Bool
== Int
0
then Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
else do IORef (Buffer Word8) -> Buffer Word8 -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer Word8)
haByteBuffer Buffer Word8
bbuf'
Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
isEOF :: IO Bool
isEOF :: IO Bool
isEOF = Handle -> IO Bool
hIsEOF Handle
stdin
hLookAhead :: Handle -> IO Char
hLookAhead :: Handle -> IO CharBufElem
hLookAhead Handle
handle =
String -> Handle -> (Handle__ -> IO CharBufElem) -> IO CharBufElem
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantReadableHandle_ String
"hLookAhead" Handle
handle Handle__ -> IO CharBufElem
hLookAhead_
hSetBuffering :: Handle -> BufferMode -> IO ()
hSetBuffering :: Handle -> BufferMode -> IO ()
hSetBuffering Handle
handle BufferMode
mode =
String -> Handle -> (Handle__ -> IO Handle__) -> IO ()
withAllHandles__ String
"hSetBuffering" Handle
handle ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
case HandleType
haType of
HandleType
ClosedHandle -> IO Handle__
forall a. IO a
ioe_closedHandle
HandleType
_ -> do
if BufferMode
mode BufferMode -> BufferMode -> Bool
forall a. Eq a => a -> a -> Bool
== BufferMode
haBufferMode then Handle__ -> IO Handle__
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Handle__
handle_ else do
case BufferMode
mode of
BlockBuffering (Just Int
n) | Int
n Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
<= Int
0 -> Int -> IO ()
forall a. Int -> IO a
ioe_bufsiz Int
n
BufferMode
_ -> () -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
Bool
is_tty <- dev -> IO Bool
forall a. IODevice a => a -> IO Bool
IODevice.isTerminal dev
haDevice
Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
is_tty Bool -> Bool -> Bool
&& HandleType -> Bool
isReadableHandleType HandleType
haType) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$
case BufferMode
mode of
#if !defined(mingw32_HOST_OS)
BufferMode
NoBuffering -> dev -> Bool -> IO ()
forall a. IODevice a => a -> Bool -> IO ()
IODevice.setRaw dev
haDevice Bool
True
#else
NoBuffering -> return () <!> IODevice.setRaw haDevice True
#endif
BufferMode
_ -> dev -> Bool -> IO ()
forall a. IODevice a => a -> Bool -> IO ()
IODevice.setRaw dev
haDevice Bool
False
IORef (BufferList CharBufElem) -> BufferList CharBufElem -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (BufferList CharBufElem)
haBuffers BufferList CharBufElem
forall e. BufferList e
BufferListNil
Handle__ -> IO Handle__
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Handle__{ haBufferMode :: BufferMode
haBufferMode = BufferMode
mode,dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
HandleType
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
.. }
hSetEncoding :: Handle -> TextEncoding -> IO ()
hSetEncoding :: Handle -> TextEncoding -> IO ()
hSetEncoding Handle
hdl TextEncoding
encoding =
String -> Handle -> (Handle__ -> IO Handle__) -> IO ()
withAllHandles__ String
"hSetEncoding" Handle
hdl ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \h_ :: Handle__
h_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
Handle__ -> IO ()
flushCharBuffer Handle__
h_
Handle__ -> IO ()
closeTextCodecs Handle__
h_
Maybe TextEncoding
-> HandleType
-> (forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__
forall a.
Maybe TextEncoding
-> HandleType
-> (forall es ds.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO a)
-> IO a
openTextEncoding (TextEncoding -> Maybe TextEncoding
forall a. a -> Maybe a
Just TextEncoding
encoding) HandleType
haType ((forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__)
-> (forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__
forall a b. (a -> b) -> a -> b
$ \ Maybe (TextEncoder es)
mb_encoder Maybe (TextDecoder ds)
mb_decoder -> do
Buffer Word8
bbuf <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
IORef (ds, Buffer Word8)
ref <- (ds, Buffer Word8) -> IO (IORef (ds, Buffer Word8))
forall a. a -> IO (IORef a)
newIORef (String -> (ds, Buffer Word8)
forall a. String -> a
errorWithoutStackTrace String
"last_decode")
Handle__ -> IO Handle__
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Handle__{ haLastDecode :: IORef (ds, Buffer Word8)
haLastDecode = IORef (ds, Buffer Word8)
ref,
haDecoder :: Maybe (TextDecoder ds)
haDecoder = Maybe (TextDecoder ds)
mb_decoder,
haEncoder :: Maybe (TextEncoder es)
haEncoder = Maybe (TextEncoder es)
mb_encoder,
haCodec :: Maybe TextEncoding
haCodec = TextEncoding -> Maybe TextEncoding
forall a. a -> Maybe a
Just TextEncoding
encoding, dev
Maybe (MVar Handle__)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
.. })
hGetEncoding :: Handle -> IO (Maybe TextEncoding)
hGetEncoding :: Handle -> IO (Maybe TextEncoding)
hGetEncoding Handle
hdl =
String
-> Handle
-> (Handle__ -> IO (Maybe TextEncoding))
-> IO (Maybe TextEncoding)
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hGetEncoding" Handle
hdl ((Handle__ -> IO (Maybe TextEncoding)) -> IO (Maybe TextEncoding))
-> (Handle__ -> IO (Maybe TextEncoding)) -> IO (Maybe TextEncoding)
forall a b. (a -> b) -> a -> b
$ \h_ :: Handle__
h_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> Maybe TextEncoding -> IO (Maybe TextEncoding)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe TextEncoding
haCodec
hFlush :: Handle -> IO ()
hFlush :: Handle -> IO ()
hFlush Handle
handle = String -> Handle -> (Handle__ -> IO ()) -> IO ()
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantWritableHandle String
"hFlush" Handle
handle Handle__ -> IO ()
flushWriteBuffer
hFlushAll :: Handle -> IO ()
hFlushAll :: Handle -> IO ()
hFlushAll Handle
handle = String -> Handle -> (Handle__ -> IO ()) -> IO ()
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hFlushAll" Handle
handle Handle__ -> IO ()
flushBuffer
data HandlePosn = HandlePosn Handle HandlePosition
instance Eq HandlePosn where
(HandlePosn Handle
h1 Integer
p1) == :: HandlePosn -> HandlePosn -> Bool
== (HandlePosn Handle
h2 Integer
p2) = Integer
p1Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
==Integer
p2 Bool -> Bool -> Bool
&& Handle
h1Handle -> Handle -> Bool
forall a. Eq a => a -> a -> Bool
==Handle
h2
instance Show HandlePosn where
showsPrec :: Int -> HandlePosn -> String -> String
showsPrec Int
p (HandlePosn Handle
h Integer
pos) =
Int -> Handle -> String -> String
forall a. Show a => Int -> a -> String -> String
showsPrec Int
p Handle
h (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> String
showString String
" at position " (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Integer -> String -> String
forall a. Show a => a -> String -> String
shows Integer
pos
type HandlePosition = Integer
hGetPosn :: Handle -> IO HandlePosn
hGetPosn :: Handle -> IO HandlePosn
hGetPosn Handle
handle = do
Integer
posn <- Handle -> IO Integer
hTell Handle
handle
HandlePosn -> IO HandlePosn
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Handle -> Integer -> HandlePosn
HandlePosn Handle
handle Integer
posn)
hSetPosn :: HandlePosn -> IO ()
hSetPosn :: HandlePosn -> IO ()
hSetPosn (HandlePosn Handle
h Integer
i) = Handle -> SeekMode -> Integer -> IO ()
hSeek Handle
h SeekMode
AbsoluteSeek Integer
i
hSeek :: Handle -> SeekMode -> Integer -> IO ()
hSeek :: Handle -> SeekMode -> Integer -> IO ()
hSeek Handle
handle SeekMode
mode Integer
offset =
String -> Handle -> (Handle__ -> IO ()) -> IO ()
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantSeekableHandle String
"hSeek" Handle
handle ((Handle__ -> IO ()) -> IO ()) -> (Handle__ -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
String -> IO ()
debugIO (String
"hSeek " String -> String -> String
forall a. [a] -> [a] -> [a]
++ (SeekMode, Integer) -> String
forall a. Show a => a -> String
show (SeekMode
mode,Integer
offset))
Buffer CharBufElem
cbuf <- IORef (Buffer CharBufElem) -> IO (Buffer CharBufElem)
forall a. IORef a -> IO a
readIORef IORef (Buffer CharBufElem)
haCharBuffer
Buffer Word8
bbuf <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hSeek - bbuf:" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer Word8 -> String
forall a. Buffer a -> String
summaryBuffer Buffer Word8
bbuf
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hSeek - cbuf:" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer CharBufElem -> String
forall a. Buffer a -> String
summaryBuffer Buffer CharBufElem
cbuf
if Buffer CharBufElem -> Bool
forall e. Buffer e -> Bool
isWriteBuffer Buffer CharBufElem
cbuf
then do Handle__ -> IO ()
flushWriteBuffer Handle__
handle_
Integer
new_offset <- dev -> SeekMode -> Integer -> IO Integer
forall a. IODevice a => a -> SeekMode -> Integer -> IO Integer
IODevice.seek dev
haDevice SeekMode
mode Integer
offset
Buffer Word8
bbuf1 <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
let bbuf2 :: Buffer Word8
bbuf2 = Buffer Word8
bbuf1{ bufOffset = fromIntegral new_offset }
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hSeek - seek:: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
offset String -> String -> String
forall a. [a] -> [a] -> [a]
++
String
" - " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
new_offset
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hSeek - wr flush bbuf1:" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer Word8 -> String
forall a. Buffer a -> String
summaryBuffer Buffer Word8
bbuf2
IORef (Buffer Word8) -> Buffer Word8 -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer Word8)
haByteBuffer Buffer Word8
bbuf2
else do
let r :: Int
r = Buffer CharBufElem -> Int
forall e. Buffer e -> Int
bufL Buffer CharBufElem
cbuf; w :: Int
w = Buffer CharBufElem -> Int
forall e. Buffer e -> Int
bufR Buffer CharBufElem
cbuf
if SeekMode
mode SeekMode -> SeekMode -> Bool
forall a. Eq a => a -> a -> Bool
== SeekMode
RelativeSeek Bool -> Bool -> Bool
&& Maybe (TextDecoder dec_state) -> Bool
forall a. Maybe a -> Bool
isNothing Maybe (TextDecoder dec_state)
haDecoder Bool -> Bool -> Bool
&&
Integer
offset Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& Integer
offset Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
< Int -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int
w Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
r)
then IORef (Buffer CharBufElem) -> Buffer CharBufElem -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer CharBufElem)
haCharBuffer Buffer CharBufElem
cbuf{ bufL = r + fromIntegral offset }
else do
Handle__ -> IO ()
flushCharReadBuffer Handle__
handle_
Handle__ -> IO ()
flushByteReadBuffer Handle__
handle_
Buffer Word8
bbuf2 <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
Integer
new_offset <- dev -> SeekMode -> Integer -> IO Integer
forall a. IODevice a => a -> SeekMode -> Integer -> IO Integer
IODevice.seek dev
haDevice SeekMode
mode Integer
offset
String -> IO ()
debugIO (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"hSeek after: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
new_offset
IORef (Buffer Word8) -> Buffer Word8 -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer Word8)
haByteBuffer Buffer Word8
bbuf2{ bufOffset = fromIntegral new_offset }
hTell :: Handle -> IO Integer
hTell :: Handle -> IO Integer
hTell Handle
handle =
String -> Handle -> (Handle__ -> IO Integer) -> IO Integer
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantSeekableHandle String
"hGetPosn" Handle
handle ((Handle__ -> IO Integer) -> IO Integer)
-> (Handle__ -> IO Integer) -> IO Integer
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
Integer
posn <- if IoSubSystem
ioSubSystem IoSubSystem -> IoSubSystem -> Bool
forall a. Eq a => a -> a -> Bool
== IoSubSystem
IoNative
then (Word64 -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Word64 -> Integer)
-> (Buffer Word8 -> Word64) -> Buffer Word8 -> Integer
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Buffer Word8 -> Word64
forall e. Buffer e -> Word64
bufOffset) (Buffer Word8 -> Integer) -> IO (Buffer Word8) -> IO Integer
forall a b. (a -> b) -> IO a -> IO b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
else dev -> IO Integer
forall a. IODevice a => a -> IO Integer
IODevice.tell dev
haDevice
Handle__ -> IO ()
flushCharBuffer Handle__
handle_
Buffer Word8
bbuf <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
String -> IO ()
debugIO (String
"hTell bbuf (elems=" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show (Buffer Word8 -> Int
forall e. Buffer e -> Int
bufferElems Buffer Word8
bbuf) String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
")"
String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer Word8 -> String
forall a. Buffer a -> String
summaryBuffer Buffer Word8
bbuf)
let real_posn :: Integer
real_posn
| Buffer Word8 -> Bool
forall e. Buffer e -> Bool
isWriteBuffer Buffer Word8
bbuf = Integer
posn Integer -> Integer -> Integer
forall a. Num a => a -> a -> a
+ Int -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Buffer Word8 -> Int
forall e. Buffer e -> Int
bufferElems Buffer Word8
bbuf)
| Bool
otherwise = Integer
posn Integer -> Integer -> Integer
forall a. Num a => a -> a -> a
- Int -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Buffer Word8 -> Int
forall e. Buffer e -> Int
bufferElems Buffer Word8
bbuf)
Buffer CharBufElem
cbuf <- IORef (Buffer CharBufElem) -> IO (Buffer CharBufElem)
forall a. IORef a -> IO a
readIORef IORef (Buffer CharBufElem)
haCharBuffer
String -> IO ()
debugIO (String
"\nhGetPosn: (posn, real_posn) = " String -> String -> String
forall a. [a] -> [a] -> [a]
++ (Integer, Integer) -> String
forall a. Show a => a -> String
show (Integer
posn, Integer
real_posn))
String -> IO ()
debugIO (String
" cbuf: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer CharBufElem -> String
forall a. Buffer a -> String
summaryBuffer Buffer CharBufElem
cbuf String -> String -> String
forall a. [a] -> [a] -> [a]
++
String
" bbuf: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Buffer Word8 -> String
forall a. Buffer a -> String
summaryBuffer Buffer Word8
bbuf)
Integer -> IO Integer
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Integer
real_posn
hIsOpen :: Handle -> IO Bool
hIsOpen :: Handle -> IO Bool
hIsOpen Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsOpen" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__
handle_ -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
HandleType
SemiClosedHandle -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
HandleType
_ -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
hIsClosed :: Handle -> IO Bool
hIsClosed :: Handle -> IO Bool
hIsClosed Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsClosed" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__
handle_ -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
HandleType
_ -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
hIsReadable :: Handle -> IO Bool
hIsReadable :: Handle -> IO Bool
hIsReadable (DuplexHandle String
_ MVar Handle__
_ MVar Handle__
_) = Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
hIsReadable Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsReadable" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__
handle_ -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> IO Bool
forall a. IO a
ioe_closedHandle
HandleType
SemiClosedHandle -> IO Bool
forall a. IO a
ioe_semiclosedHandle
HandleType
htype -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (HandleType -> Bool
isReadableHandleType HandleType
htype)
hIsWritable :: Handle -> IO Bool
hIsWritable :: Handle -> IO Bool
hIsWritable (DuplexHandle String
_ MVar Handle__
_ MVar Handle__
_) = Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
hIsWritable Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsWritable" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__
handle_ -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> IO Bool
forall a. IO a
ioe_closedHandle
HandleType
SemiClosedHandle -> IO Bool
forall a. IO a
ioe_semiclosedHandle
HandleType
htype -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (HandleType -> Bool
isWritableHandleType HandleType
htype)
hGetBuffering :: Handle -> IO BufferMode
hGetBuffering :: Handle -> IO BufferMode
hGetBuffering Handle
handle =
String -> Handle -> (Handle__ -> IO BufferMode) -> IO BufferMode
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hGetBuffering" Handle
handle ((Handle__ -> IO BufferMode) -> IO BufferMode)
-> (Handle__ -> IO BufferMode) -> IO BufferMode
forall a b. (a -> b) -> a -> b
$ \ Handle__
handle_ -> do
case Handle__ -> HandleType
haType Handle__
handle_ of
HandleType
ClosedHandle -> IO BufferMode
forall a. IO a
ioe_closedHandle
HandleType
_ ->
BufferMode -> IO BufferMode
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Handle__ -> BufferMode
haBufferMode Handle__
handle_)
hIsSeekable :: Handle -> IO Bool
hIsSeekable :: Handle -> IO Bool
hIsSeekable Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsSeekable" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ handle_ :: Handle__
handle_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
case HandleType
haType of
HandleType
ClosedHandle -> IO Bool
forall a. IO a
ioe_closedHandle
HandleType
SemiClosedHandle -> IO Bool
forall a. IO a
ioe_semiclosedHandle
HandleType
AppendHandle -> Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
HandleType
_ -> dev -> IO Bool
forall a. IODevice a => a -> IO Bool
IODevice.isSeekable dev
haDevice
hSetEcho :: Handle -> Bool -> IO ()
hSetEcho :: Handle -> Bool -> IO ()
hSetEcho Handle
handle Bool
on = do
Bool
isT <- Handle -> IO Bool
hIsTerminalDevice Handle
handle
if Bool -> Bool
not Bool
isT
then () -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
else
String -> Handle -> (Handle__ -> IO ()) -> IO ()
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hSetEcho" Handle
handle ((Handle__ -> IO ()) -> IO ()) -> (Handle__ -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
case HandleType
haType of
HandleType
ClosedHandle -> IO ()
forall a. IO a
ioe_closedHandle
HandleType
_ -> dev -> Bool -> IO ()
forall a. IODevice a => a -> Bool -> IO ()
IODevice.setEcho dev
haDevice Bool
on
hGetEcho :: Handle -> IO Bool
hGetEcho :: Handle -> IO Bool
hGetEcho Handle
handle = do
Bool
isT <- Handle -> IO Bool
hIsTerminalDevice Handle
handle
if Bool -> Bool
not Bool
isT
then Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
else
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hGetEcho" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
case HandleType
haType of
HandleType
ClosedHandle -> IO Bool
forall a. IO a
ioe_closedHandle
HandleType
_ -> dev -> IO Bool
forall a. IODevice a => a -> IO Bool
IODevice.getEcho dev
haDevice
hIsTerminalDevice :: Handle -> IO Bool
hIsTerminalDevice :: Handle -> IO Bool
hIsTerminalDevice Handle
handle =
String -> Handle -> (Handle__ -> IO Bool) -> IO Bool
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"hIsTerminalDevice" Handle
handle ((Handle__ -> IO Bool) -> IO Bool)
-> (Handle__ -> IO Bool) -> IO Bool
forall a b. (a -> b) -> a -> b
$ \ Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} -> do
case HandleType
haType of
HandleType
ClosedHandle -> IO Bool
forall a. IO a
ioe_closedHandle
HandleType
_ -> dev -> IO Bool
forall a. IODevice a => a -> IO Bool
IODevice.isTerminal dev
haDevice
hSetBinaryMode :: Handle -> Bool -> IO ()
hSetBinaryMode :: Handle -> Bool -> IO ()
hSetBinaryMode Handle
handle Bool
bin =
String -> Handle -> (Handle__ -> IO Handle__) -> IO ()
withAllHandles__ String
"hSetBinaryMode" Handle
handle ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ h_ :: Handle__
h_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} ->
do
Handle__ -> IO ()
flushCharBuffer Handle__
h_
Handle__ -> IO ()
closeTextCodecs Handle__
h_
Maybe TextEncoding
mb_te <- if Bool
bin then Maybe TextEncoding -> IO (Maybe TextEncoding)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe TextEncoding
forall a. Maybe a
Nothing
else (TextEncoding -> Maybe TextEncoding)
-> IO TextEncoding -> IO (Maybe TextEncoding)
forall a b. (a -> b) -> IO a -> IO b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap TextEncoding -> Maybe TextEncoding
forall a. a -> Maybe a
Just IO TextEncoding
getLocaleEncoding
Maybe TextEncoding
-> HandleType
-> (forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__
forall a.
Maybe TextEncoding
-> HandleType
-> (forall es ds.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO a)
-> IO a
openTextEncoding Maybe TextEncoding
mb_te HandleType
haType ((forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__)
-> (forall {es} {ds}.
Maybe (TextEncoder es) -> Maybe (TextDecoder ds) -> IO Handle__)
-> IO Handle__
forall a b. (a -> b) -> a -> b
$ \ Maybe (TextEncoder es)
mb_encoder Maybe (TextDecoder ds)
mb_decoder -> do
let nl :: NewlineMode
nl | Bool
bin = NewlineMode
noNewlineTranslation
| Bool
otherwise = NewlineMode
nativeNewlineMode
Buffer Word8
bbuf <- IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
haByteBuffer
IORef (ds, Buffer Word8)
ref <- (ds, Buffer Word8) -> IO (IORef (ds, Buffer Word8))
forall a. a -> IO (IORef a)
newIORef (String -> ds
forall a. String -> a
errorWithoutStackTrace String
"codec_state", Buffer Word8
bbuf)
Handle__ -> IO Handle__
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Handle__{ haLastDecode :: IORef (ds, Buffer Word8)
haLastDecode = IORef (ds, Buffer Word8)
ref,
haEncoder :: Maybe (TextEncoder es)
haEncoder = Maybe (TextEncoder es)
mb_encoder,
haDecoder :: Maybe (TextDecoder ds)
haDecoder = Maybe (TextDecoder ds)
mb_decoder,
haCodec :: Maybe TextEncoding
haCodec = Maybe TextEncoding
mb_te,
haInputNL :: Newline
haInputNL = NewlineMode -> Newline
inputNL NewlineMode
nl,
haOutputNL :: Newline
haOutputNL = NewlineMode -> Newline
outputNL NewlineMode
nl, dev
Maybe (MVar Handle__)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
BufferMode
HandleType
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haOtherSide :: Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haOtherSide :: Maybe (MVar Handle__)
.. }
hSetNewlineMode :: Handle -> NewlineMode -> IO ()
hSetNewlineMode :: Handle -> NewlineMode -> IO ()
hSetNewlineMode Handle
handle NewlineMode{ inputNL :: NewlineMode -> Newline
inputNL=Newline
i, outputNL :: NewlineMode -> Newline
outputNL=Newline
o } =
String -> Handle -> (Handle__ -> IO Handle__) -> IO ()
withAllHandles__ String
"hSetNewlineMode" Handle
handle ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \h_ :: Handle__
h_@Handle__{} ->
do
Handle__ -> IO ()
flushBuffer Handle__
h_
Handle__ -> IO Handle__
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Handle__
h_{ haInputNL=i, haOutputNL=o }
hDuplicate :: Handle -> IO Handle
hDuplicate :: Handle -> IO Handle
hDuplicate h :: Handle
h@(FileHandle String
path MVar Handle__
m) =
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle) -> IO Handle
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicate" Handle
h MVar Handle__
m ((Handle__ -> IO Handle) -> IO Handle)
-> (Handle__ -> IO Handle) -> IO Handle
forall a b. (a -> b) -> a -> b
$ \Handle__
h_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle String
path Handle
h Maybe (MVar Handle__)
forall a. Maybe a
Nothing Handle__
h_ (HandleFinalizer -> Maybe HandleFinalizer
forall a. a -> Maybe a
Just HandleFinalizer
handleFinalizer)
hDuplicate h :: Handle
h@(DuplexHandle String
path MVar Handle__
r MVar Handle__
w) = do
write_side :: Handle
write_side@(FileHandle String
_ MVar Handle__
write_m) <-
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle) -> IO Handle
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicate" Handle
h MVar Handle__
w ((Handle__ -> IO Handle) -> IO Handle)
-> (Handle__ -> IO Handle) -> IO Handle
forall a b. (a -> b) -> a -> b
$ \Handle__
h_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle String
path Handle
h Maybe (MVar Handle__)
forall a. Maybe a
Nothing Handle__
h_ (HandleFinalizer -> Maybe HandleFinalizer
forall a. a -> Maybe a
Just HandleFinalizer
handleFinalizer)
read_side :: Handle
read_side@(FileHandle String
_ MVar Handle__
read_m) <-
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle) -> IO Handle
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicate" Handle
h MVar Handle__
r ((Handle__ -> IO Handle) -> IO Handle)
-> (Handle__ -> IO Handle) -> IO Handle
forall a b. (a -> b) -> a -> b
$ \Handle__
h_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle String
path Handle
h (MVar Handle__ -> Maybe (MVar Handle__)
forall a. a -> Maybe a
Just MVar Handle__
write_m) Handle__
h_ Maybe HandleFinalizer
forall a. Maybe a
Nothing
Handle -> IO Handle
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (String -> MVar Handle__ -> MVar Handle__ -> Handle
DuplexHandle String
path MVar Handle__
read_m MVar Handle__
write_m)
dupHandle :: FilePath
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle :: String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle String
filepath Handle
h Maybe (MVar Handle__)
other_side h_ :: Handle__
h_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} Maybe HandleFinalizer
mb_finalizer = do
Handle__ -> IO ()
flushBuffer Handle__
h_
case Maybe (MVar Handle__)
other_side of
Maybe (MVar Handle__)
Nothing -> do
dev
new_dev <- dev -> IO dev
forall a. IODevice a => a -> IO a
IODevice.dup dev
haDevice
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
forall dev.
(RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) =>
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle_ dev
new_dev String
filepath Maybe (MVar Handle__)
other_side Handle__
h_ Maybe HandleFinalizer
mb_finalizer
Just MVar Handle__
r ->
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle) -> IO Handle
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"dupHandle" Handle
h MVar Handle__
r ((Handle__ -> IO Handle) -> IO Handle)
-> (Handle__ -> IO Handle) -> IO Handle
forall a b. (a -> b) -> a -> b
$ \Handle__{haDevice :: ()
haDevice=dev
dev} ->
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
forall dev.
(RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) =>
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle_ dev
dev String
filepath Maybe (MVar Handle__)
other_side Handle__
h_ Maybe HandleFinalizer
mb_finalizer
dupHandle_ :: (RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) => dev
-> FilePath
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle_ :: forall dev.
(RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) =>
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle_ dev
new_dev String
filepath Maybe (MVar Handle__)
other_side h_ :: Handle__
h_@Handle__{dev
Maybe (MVar Handle__)
Maybe TextEncoding
Maybe (TextEncoder enc_state)
Maybe (TextDecoder dec_state)
IORef (dec_state, Buffer Word8)
IORef (Buffer CharBufElem)
IORef (Buffer Word8)
IORef (BufferList CharBufElem)
Newline
BufferMode
HandleType
haDevice :: ()
haType :: Handle__ -> HandleType
haByteBuffer :: Handle__ -> IORef (Buffer Word8)
haBufferMode :: Handle__ -> BufferMode
haLastDecode :: ()
haCharBuffer :: Handle__ -> IORef (Buffer CharBufElem)
haBuffers :: Handle__ -> IORef (BufferList CharBufElem)
haEncoder :: ()
haDecoder :: ()
haCodec :: Handle__ -> Maybe TextEncoding
haInputNL :: Handle__ -> Newline
haOutputNL :: Handle__ -> Newline
haOtherSide :: Handle__ -> Maybe (MVar Handle__)
haDevice :: dev
haType :: HandleType
haByteBuffer :: IORef (Buffer Word8)
haBufferMode :: BufferMode
haLastDecode :: IORef (dec_state, Buffer Word8)
haCharBuffer :: IORef (Buffer CharBufElem)
haBuffers :: IORef (BufferList CharBufElem)
haEncoder :: Maybe (TextEncoder enc_state)
haDecoder :: Maybe (TextDecoder dec_state)
haCodec :: Maybe TextEncoding
haInputNL :: Newline
haOutputNL :: Newline
haOtherSide :: Maybe (MVar Handle__)
..} Maybe HandleFinalizer
mb_finalizer = do
Maybe TextEncoding
mb_codec <- if Maybe (TextEncoder enc_state) -> Bool
forall a. Maybe a -> Bool
isJust Maybe (TextEncoder enc_state)
haEncoder then (TextEncoding -> Maybe TextEncoding)
-> IO TextEncoding -> IO (Maybe TextEncoding)
forall a b. (a -> b) -> IO a -> IO b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap TextEncoding -> Maybe TextEncoding
forall a. a -> Maybe a
Just IO TextEncoding
getLocaleEncoding else Maybe TextEncoding -> IO (Maybe TextEncoding)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe TextEncoding
forall a. Maybe a
Nothing
dev
-> String
-> HandleType
-> Bool
-> Maybe TextEncoding
-> NewlineMode
-> Maybe HandleFinalizer
-> Maybe (MVar Handle__)
-> IO Handle
forall dev.
(RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) =>
dev
-> String
-> HandleType
-> Bool
-> Maybe TextEncoding
-> NewlineMode
-> Maybe HandleFinalizer
-> Maybe (MVar Handle__)
-> IO Handle
mkHandle dev
new_dev String
filepath HandleType
haType Bool
True Maybe TextEncoding
mb_codec
NewlineMode { inputNL :: Newline
inputNL = Newline
haInputNL, outputNL :: Newline
outputNL = Newline
haOutputNL }
Maybe HandleFinalizer
mb_finalizer Maybe (MVar Handle__)
other_side
hDuplicateTo :: Handle -> Handle -> IO ()
hDuplicateTo :: Handle -> Handle -> IO ()
hDuplicateTo h1 :: Handle
h1@(FileHandle String
path MVar Handle__
m1) h2 :: Handle
h2@(FileHandle String
_ MVar Handle__
m2) =
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle__) -> IO ()
withHandle__' String
"hDuplicateTo" Handle
h2 MVar Handle__
m2 ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Handle__
h2_ -> do
IO () -> IO ()
try (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ Handle__ -> IO ()
flushWriteBuffer Handle__
h2_
String
-> Handle
-> MVar Handle__
-> (Handle__ -> IO Handle__)
-> IO Handle__
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicateTo" Handle
h1 MVar Handle__
m1 ((Handle__ -> IO Handle__) -> IO Handle__)
-> (Handle__ -> IO Handle__) -> IO Handle__
forall a b. (a -> b) -> a -> b
$ \Handle__
h1_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle__
dupHandleTo String
path Handle
h1 Maybe (MVar Handle__)
forall a. Maybe a
Nothing Handle__
h2_ Handle__
h1_ (HandleFinalizer -> Maybe HandleFinalizer
forall a. a -> Maybe a
Just HandleFinalizer
handleFinalizer)
hDuplicateTo h1 :: Handle
h1@(DuplexHandle String
path MVar Handle__
r1 MVar Handle__
w1) h2 :: Handle
h2@(DuplexHandle String
_ MVar Handle__
r2 MVar Handle__
w2) = do
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle__) -> IO ()
withHandle__' String
"hDuplicateTo" Handle
h2 MVar Handle__
w2 ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Handle__
w2_ -> do
IO () -> IO ()
try (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ Handle__ -> IO ()
flushWriteBuffer Handle__
w2_
String
-> Handle
-> MVar Handle__
-> (Handle__ -> IO Handle__)
-> IO Handle__
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicateTo" Handle
h1 MVar Handle__
w1 ((Handle__ -> IO Handle__) -> IO Handle__)
-> (Handle__ -> IO Handle__) -> IO Handle__
forall a b. (a -> b) -> a -> b
$ \Handle__
w1_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle__
dupHandleTo String
path Handle
h1 Maybe (MVar Handle__)
forall a. Maybe a
Nothing Handle__
w2_ Handle__
w1_ (HandleFinalizer -> Maybe HandleFinalizer
forall a. a -> Maybe a
Just HandleFinalizer
handleFinalizer)
String
-> Handle -> MVar Handle__ -> (Handle__ -> IO Handle__) -> IO ()
withHandle__' String
"hDuplicateTo" Handle
h2 MVar Handle__
r2 ((Handle__ -> IO Handle__) -> IO ())
-> (Handle__ -> IO Handle__) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Handle__
r2_ -> do
IO () -> IO ()
try (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ Handle__ -> IO ()
flushWriteBuffer Handle__
r2_
String
-> Handle
-> MVar Handle__
-> (Handle__ -> IO Handle__)
-> IO Handle__
forall a.
String -> Handle -> MVar Handle__ -> (Handle__ -> IO a) -> IO a
withHandle_' String
"hDuplicateTo" Handle
h1 MVar Handle__
r1 ((Handle__ -> IO Handle__) -> IO Handle__)
-> (Handle__ -> IO Handle__) -> IO Handle__
forall a b. (a -> b) -> a -> b
$ \Handle__
r1_ ->
String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle__
dupHandleTo String
path Handle
h1 (MVar Handle__ -> Maybe (MVar Handle__)
forall a. a -> Maybe a
Just MVar Handle__
w1) Handle__
r2_ Handle__
r1_ Maybe HandleFinalizer
forall a. Maybe a
Nothing
hDuplicateTo Handle
h1 Handle
_ =
Handle -> IO ()
forall a. Handle -> IO a
ioe_dupHandlesNotCompatible Handle
h1
try :: IO () -> IO ()
try :: IO () -> IO ()
try IO ()
io = IO ()
io IO () -> (SomeException -> IO ()) -> IO ()
forall e a. Exception e => IO a -> (e -> IO a) -> IO a
`catchException` (IO () -> SomeException -> IO ()
forall a b. a -> b -> a
const (() -> IO ()
forall a. a -> IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure ()) :: SomeException -> IO ())
ioe_dupHandlesNotCompatible :: Handle -> IO a
ioe_dupHandlesNotCompatible :: forall a. Handle -> IO a
ioe_dupHandlesNotCompatible Handle
h =
IOException -> IO a
forall a. IOException -> IO a
ioException (Maybe Handle
-> IOErrorType
-> String
-> String
-> Maybe CInt
-> Maybe String
-> IOException
IOError (Handle -> Maybe Handle
forall a. a -> Maybe a
Just Handle
h) IOErrorType
IllegalOperation String
"hDuplicateTo"
String
"handles are incompatible" Maybe CInt
forall a. Maybe a
Nothing Maybe String
forall a. Maybe a
Nothing)
dupHandleTo :: FilePath
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle__
dupHandleTo :: String
-> Handle
-> Maybe (MVar Handle__)
-> Handle__
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle__
dupHandleTo String
filepath Handle
h Maybe (MVar Handle__)
other_side
hto_ :: Handle__
hto_@Handle__{haDevice :: ()
haDevice=dev
devTo}
h_ :: Handle__
h_@Handle__{haDevice :: ()
haDevice=dev
dev} Maybe HandleFinalizer
mb_finalizer = do
Handle__ -> IO ()
flushBuffer Handle__
h_
case dev -> Maybe dev
forall a b. (Typeable a, Typeable b) => a -> Maybe b
cast dev
devTo of
Maybe dev
Nothing -> Handle -> IO Handle__
forall a. Handle -> IO a
ioe_dupHandlesNotCompatible Handle
h
Just dev
dev' -> do
dev
_ <- dev -> dev -> IO dev
forall a. IODevice a => a -> a -> IO a
IODevice.dup2 dev
dev dev
dev'
FileHandle String
_ MVar Handle__
m <- dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
forall dev.
(RawIO dev, IODevice dev, BufferedIO dev, Typeable dev) =>
dev
-> String
-> Maybe (MVar Handle__)
-> Handle__
-> Maybe HandleFinalizer
-> IO Handle
dupHandle_ dev
dev' String
filepath Maybe (MVar Handle__)
other_side Handle__
h_ Maybe HandleFinalizer
mb_finalizer
MVar Handle__ -> IO Handle__
forall a. MVar a -> IO a
takeMVar MVar Handle__
m
hShow :: Handle -> IO String
hShow :: Handle -> IO String
hShow h :: Handle
h@(FileHandle String
path MVar Handle__
_) = String -> Bool -> Handle -> IO String
showHandle' String
path Bool
False Handle
h
hShow h :: Handle
h@(DuplexHandle String
path MVar Handle__
_ MVar Handle__
_) = String -> Bool -> Handle -> IO String
showHandle' String
path Bool
True Handle
h
showHandle' :: String -> Bool -> Handle -> IO String
showHandle' :: String -> Bool -> Handle -> IO String
showHandle' String
filepath Bool
is_duplex Handle
h =
String -> Handle -> (Handle__ -> IO String) -> IO String
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
withHandle_ String
"showHandle" Handle
h ((Handle__ -> IO String) -> IO String)
-> (Handle__ -> IO String) -> IO String
forall a b. (a -> b) -> a -> b
$ \Handle__
hdl_ ->
let
showType :: String -> String
showType | Bool
is_duplex = String -> String -> String
showString String
"duplex (read-write)"
| Bool
otherwise = HandleType -> String -> String
forall a. Show a => a -> String -> String
shows (Handle__ -> HandleType
haType Handle__
hdl_)
in
String -> IO String
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return
(( CharBufElem -> String -> String
showChar CharBufElem
'{' (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
.
HandleType -> (String -> String) -> String -> String
showHdl (Handle__ -> HandleType
haType Handle__
hdl_)
(String -> String -> String
showString String
"loc=" (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> String
showString String
filepath (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. CharBufElem -> String -> String
showChar CharBufElem
',' (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
.
String -> String -> String
showString String
"type=" (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String
showType (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. CharBufElem -> String -> String
showChar CharBufElem
',' (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
.
String -> String -> String
showString String
"buffering=" (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Buffer CharBufElem -> BufferMode -> String -> String
forall e. Buffer e -> BufferMode -> String -> String
showBufMode (IO (Buffer CharBufElem) -> Buffer CharBufElem
forall a. IO a -> a
unsafePerformIO (IORef (Buffer CharBufElem) -> IO (Buffer CharBufElem)
forall a. IORef a -> IO a
readIORef (Handle__ -> IORef (Buffer CharBufElem)
haCharBuffer Handle__
hdl_))) (Handle__ -> BufferMode
haBufferMode Handle__
hdl_) (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> String
showString String
"}" )
) String
"")
where
showHdl :: HandleType -> ShowS -> ShowS
showHdl :: HandleType -> (String -> String) -> String -> String
showHdl HandleType
ht String -> String
cont =
case HandleType
ht of
HandleType
ClosedHandle -> HandleType -> String -> String
forall a. Show a => a -> String -> String
shows HandleType
ht (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> String
showString String
"}"
HandleType
_ -> String -> String
cont
showBufMode :: Buffer e -> BufferMode -> ShowS
showBufMode :: forall e. Buffer e -> BufferMode -> String -> String
showBufMode Buffer e
buf BufferMode
bmo =
case BufferMode
bmo of
BufferMode
NoBuffering -> String -> String -> String
showString String
"none"
BufferMode
LineBuffering -> String -> String -> String
showString String
"line"
BlockBuffering (Just Int
n) -> String -> String -> String
showString String
"block " (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> (String -> String) -> String -> String
showParen Bool
True (Int -> String -> String
forall a. Show a => a -> String -> String
shows Int
n)
BlockBuffering Maybe Int
Nothing -> String -> String -> String
showString String
"block " (String -> String) -> (String -> String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> (String -> String) -> String -> String
showParen Bool
True (Int -> String -> String
forall a. Show a => a -> String -> String
shows Int
def)
where
def :: Int
def :: Int
def = Buffer e -> Int
forall e. Buffer e -> Int
bufSize Buffer e
buf