{-# LANGUAGE ScopedTypeVariables, CPP, BangPatterns, RankNTypes, TupleSections #-}
{-# LANGUAGE Unsafe #-}
{-# OPTIONS_HADDOCK not-home #-}
module Data.ByteString.Builder.Internal (
  
    Buffer(..)
  , BufferRange(..)
  , newBuffer
  , bufferSize
  , byteStringFromBuffer
  , ChunkIOStream(..)
  , buildStepToCIOS
  , ciosUnitToLazyByteString
  , ciosToLazyByteString
  
  , BuildSignal
  , BuildStep
  , finalBuildStep
  , done
  , bufferFull
  , insertChunk
  , fillWithBuildStep
  
  , Builder
  , builder
  , runBuilder
  , runBuilderWith
  
  , empty
  , append
  , flush
  , ensureFree
  
  , byteStringCopy
  , byteStringInsert
  , byteStringThreshold
  , lazyByteStringCopy
  , lazyByteStringInsert
  , lazyByteStringThreshold
  , shortByteString
  , maximalCopySize
  , byteString
  , lazyByteString
  
  , toLazyByteStringWith
  , AllocationStrategy
  , safeStrategy
  , untrimmedStrategy
  , customStrategy
  , L.smallChunkSize
  , L.defaultChunkSize
  , L.chunkOverhead
  
  , Put
  , put
  , runPut
  
  , putToLazyByteString
  , putToLazyByteStringWith
  , hPut
  
  , putBuilder
  , fromPut
  
  
) where
import           Control.Arrow (second)
#if !(MIN_VERSION_base(4,11,0))
import           Data.Semigroup (Semigroup((<>)))
#endif
import qualified Data.ByteString               as S
import qualified Data.ByteString.Internal.Type as S
import qualified Data.ByteString.Lazy.Internal as L
import qualified Data.ByteString.Short.Internal as Sh
import qualified GHC.IO.Buffer as IO (Buffer(..), newByteBuffer)
import           GHC.IO.Handle.Internals (wantWritableHandle, flushWriteBuffer)
import           GHC.IO.Handle.Types (Handle__, haByteBuffer, haBufferMode)
import           System.IO (hFlush, BufferMode(..), Handle)
import           Data.IORef
import           Foreign
import           Foreign.ForeignPtr.Unsafe (unsafeForeignPtrToPtr)
import           System.IO.Unsafe (unsafeDupablePerformIO)
data BufferRange = BufferRange {-# UNPACK #-} !(Ptr Word8)  
                               {-# UNPACK #-} !(Ptr Word8)  
data Buffer = Buffer {-# UNPACK #-} !(ForeignPtr Word8)
                     {-# UNPACK #-} !BufferRange
{-# INLINE bufferSize #-}
bufferSize :: Buffer -> Int
bufferSize :: Buffer -> Int
bufferSize (Buffer ForeignPtr Word8
fpbuf (BufferRange Ptr Word8
_ Ptr Word8
ope)) =
    Ptr Word8
ope Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
fpbuf
{-# INLINE newBuffer #-}
newBuffer :: Int -> IO Buffer
newBuffer :: Int -> IO Buffer
newBuffer Int
size = do
    ForeignPtr Word8
fpbuf <- Int -> IO (ForeignPtr Word8)
forall a. Int -> IO (ForeignPtr a)
S.mallocByteString Int
size
    let pbuf :: Ptr Word8
pbuf = ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
fpbuf
    Buffer -> IO Buffer
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Buffer -> IO Buffer) -> Buffer -> IO Buffer
forall a b. (a -> b) -> a -> b
$! ForeignPtr Word8 -> BufferRange -> Buffer
Buffer ForeignPtr Word8
fpbuf (Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
pbuf (Ptr Word8
pbuf Ptr Word8 -> Int -> Ptr Word8
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
size))
{-# INLINE byteStringFromBuffer #-}
byteStringFromBuffer :: Buffer -> S.ByteString
byteStringFromBuffer :: Buffer -> ByteString
byteStringFromBuffer (Buffer ForeignPtr Word8
fpbuf (BufferRange Ptr Word8
op Ptr Word8
_)) =
    ForeignPtr Word8 -> Int -> ByteString
S.BS ForeignPtr Word8
fpbuf (Ptr Word8
op Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
fpbuf)
{-# INLINE trimmedChunkFromBuffer #-}
trimmedChunkFromBuffer :: AllocationStrategy -> Buffer
                       -> L.ByteString -> L.ByteString
trimmedChunkFromBuffer :: AllocationStrategy -> Buffer -> ByteString -> ByteString
trimmedChunkFromBuffer (AllocationStrategy Maybe (Buffer, Int) -> IO Buffer
_ Int
_ Int -> Int -> Bool
trim) Buffer
buf ByteString
k
  | ByteString -> Bool
S.null ByteString
bs                           = ByteString
k
  | Int -> Int -> Bool
trim (ByteString -> Int
S.length ByteString
bs) (Buffer -> Int
bufferSize Buffer
buf) = ByteString -> ByteString -> ByteString
L.Chunk (ByteString -> ByteString
S.copy ByteString
bs) ByteString
k
  | Bool
otherwise                           = ByteString -> ByteString -> ByteString
L.Chunk ByteString
bs          ByteString
k
  where
    bs :: ByteString
bs = Buffer -> ByteString
byteStringFromBuffer Buffer
buf
data ChunkIOStream a =
       Finished Buffer a
       
     | Yield1 S.ByteString (IO (ChunkIOStream a))
       
{-# INLINE yield1 #-}
yield1 :: S.ByteString -> IO (ChunkIOStream a) -> IO (ChunkIOStream a)
yield1 :: forall a.
ByteString -> IO (ChunkIOStream a) -> IO (ChunkIOStream a)
yield1 ByteString
bs IO (ChunkIOStream a)
cios | ByteString -> Bool
S.null ByteString
bs = IO (ChunkIOStream a)
cios
               | Bool
otherwise = ChunkIOStream a -> IO (ChunkIOStream a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (ChunkIOStream a -> IO (ChunkIOStream a))
-> ChunkIOStream a -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$ ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
forall a. ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
Yield1 ByteString
bs IO (ChunkIOStream a)
cios
{-# INLINE ciosUnitToLazyByteString #-}
ciosUnitToLazyByteString :: AllocationStrategy
                         -> L.ByteString -> ChunkIOStream () -> L.ByteString
ciosUnitToLazyByteString :: AllocationStrategy -> ByteString -> ChunkIOStream () -> ByteString
ciosUnitToLazyByteString AllocationStrategy
strategy ByteString
k = ChunkIOStream () -> ByteString
forall {a}. ChunkIOStream a -> ByteString
go
  where
    go :: ChunkIOStream a -> ByteString
go (Finished Buffer
buf a
_) = AllocationStrategy -> Buffer -> ByteString -> ByteString
trimmedChunkFromBuffer AllocationStrategy
strategy Buffer
buf ByteString
k
    go (Yield1 ByteString
bs IO (ChunkIOStream a)
io)   = ByteString -> ByteString -> ByteString
L.Chunk ByteString
bs (ByteString -> ByteString) -> ByteString -> ByteString
forall a b. (a -> b) -> a -> b
$ IO ByteString -> ByteString
forall a. IO a -> a
unsafeDupablePerformIO (ChunkIOStream a -> ByteString
go (ChunkIOStream a -> ByteString)
-> IO (ChunkIOStream a) -> IO ByteString
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IO (ChunkIOStream a)
io)
{-# INLINE ciosToLazyByteString #-}
ciosToLazyByteString :: AllocationStrategy
                     -> (a -> (b, L.ByteString))
                     -> ChunkIOStream a
                     -> (b, L.ByteString)
ciosToLazyByteString :: forall a b.
AllocationStrategy
-> (a -> (b, ByteString)) -> ChunkIOStream a -> (b, ByteString)
ciosToLazyByteString AllocationStrategy
strategy a -> (b, ByteString)
k =
    ChunkIOStream a -> (b, ByteString)
go
  where
    go :: ChunkIOStream a -> (b, ByteString)
go (Finished Buffer
buf a
x) =
        (ByteString -> ByteString) -> (b, ByteString) -> (b, ByteString)
forall b c d. (b -> c) -> (d, b) -> (d, c)
forall (a :: * -> * -> *) b c d.
Arrow a =>
a b c -> a (d, b) (d, c)
second (AllocationStrategy -> Buffer -> ByteString -> ByteString
trimmedChunkFromBuffer AllocationStrategy
strategy Buffer
buf) ((b, ByteString) -> (b, ByteString))
-> (b, ByteString) -> (b, ByteString)
forall a b. (a -> b) -> a -> b
$ a -> (b, ByteString)
k a
x
    go (Yield1 ByteString
bs IO (ChunkIOStream a)
io)   = (ByteString -> ByteString) -> (b, ByteString) -> (b, ByteString)
forall b c d. (b -> c) -> (d, b) -> (d, c)
forall (a :: * -> * -> *) b c d.
Arrow a =>
a b c -> a (d, b) (d, c)
second (ByteString -> ByteString -> ByteString
L.Chunk ByteString
bs) ((b, ByteString) -> (b, ByteString))
-> (b, ByteString) -> (b, ByteString)
forall a b. (a -> b) -> a -> b
$ IO (b, ByteString) -> (b, ByteString)
forall a. IO a -> a
unsafeDupablePerformIO (ChunkIOStream a -> (b, ByteString)
go (ChunkIOStream a -> (b, ByteString))
-> IO (ChunkIOStream a) -> IO (b, ByteString)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IO (ChunkIOStream a)
io)
type BuildStep a = BufferRange -> IO (BuildSignal a)
data BuildSignal a =
    Done {-# UNPACK #-} !(Ptr Word8) a
  | BufferFull
      {-# UNPACK #-} !Int
      {-# UNPACK #-} !(Ptr Word8)
                     (BuildStep a)
  | InsertChunk
      {-# UNPACK #-} !(Ptr Word8)
                     S.ByteString
                     (BuildStep a)
{-# INLINE done #-}
done :: Ptr Word8      
     -> a              
     -> BuildSignal a
done :: forall a. Ptr Word8 -> a -> BuildSignal a
done = Ptr Word8 -> a -> BuildSignal a
forall a. Ptr Word8 -> a -> BuildSignal a
Done
{-# INLINE bufferFull #-}
bufferFull :: Int
           
           -> Ptr Word8
           
           -> BuildStep a
           
           
           
           
           -> BuildSignal a
bufferFull :: forall a. Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
bufferFull = Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
forall a. Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
BufferFull
{-# INLINE insertChunk #-}
insertChunk :: Ptr Word8
            
            -> S.ByteString
            
            -> BuildStep a
            
            -> BuildSignal a
insertChunk :: forall a. Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
insertChunk = Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
forall a. Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
InsertChunk
{-# INLINE fillWithBuildStep #-}
fillWithBuildStep
    :: BuildStep a
    
    -> (Ptr Word8 -> a -> IO b)
    
    -> (Ptr Word8 -> Int -> BuildStep a -> IO b)
    
    -> (Ptr Word8 -> S.ByteString -> BuildStep a -> IO b)
    
    -> BufferRange
    
    -> IO b
    
fillWithBuildStep :: forall a b.
BuildStep a
-> (Ptr Word8 -> a -> IO b)
-> (Ptr Word8 -> Int -> BuildStep a -> IO b)
-> (Ptr Word8 -> ByteString -> BuildStep a -> IO b)
-> BufferRange
-> IO b
fillWithBuildStep BuildStep a
step Ptr Word8 -> a -> IO b
fDone Ptr Word8 -> Int -> BuildStep a -> IO b
fFull Ptr Word8 -> ByteString -> BuildStep a -> IO b
fChunk !BufferRange
br = do
    BuildSignal a
signal <- BuildStep a
step BufferRange
br
    case BuildSignal a
signal of
        Done Ptr Word8
op a
x                      -> Ptr Word8 -> a -> IO b
fDone Ptr Word8
op a
x
        BufferFull Int
minSize Ptr Word8
op BuildStep a
nextStep -> Ptr Word8 -> Int -> BuildStep a -> IO b
fFull Ptr Word8
op Int
minSize BuildStep a
nextStep
        InsertChunk Ptr Word8
op ByteString
bs BuildStep a
nextStep     -> Ptr Word8 -> ByteString -> BuildStep a -> IO b
fChunk Ptr Word8
op ByteString
bs BuildStep a
nextStep
newtype Builder = Builder (forall r. BuildStep r -> BuildStep r)
{-# INLINE builder #-}
builder :: (forall r. BuildStep r -> BuildStep r)
        
        
        
        
        
        
        
        
        
        
        
        
        
        -> Builder
builder :: (forall r. BuildStep r -> BuildStep r) -> Builder
builder = (forall r. BuildStep r -> BuildStep r) -> Builder
Builder
finalBuildStep :: BuildStep ()
finalBuildStep :: BuildStep ()
finalBuildStep (BufferRange Ptr Word8
op Ptr Word8
_) = BuildSignal () -> IO (BuildSignal ())
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal () -> IO (BuildSignal ()))
-> BuildSignal () -> IO (BuildSignal ())
forall a b. (a -> b) -> a -> b
$ Ptr Word8 -> () -> BuildSignal ()
forall a. Ptr Word8 -> a -> BuildSignal a
Done Ptr Word8
op ()
{-# INLINE runBuilder #-}
runBuilder :: Builder      
           -> BuildStep () 
                           
runBuilder :: Builder -> BuildStep ()
runBuilder Builder
b = Builder -> BuildStep () -> BuildStep ()
forall a. Builder -> BuildStep a -> BuildStep a
runBuilderWith Builder
b BuildStep ()
finalBuildStep
{-# INLINE runBuilderWith #-}
runBuilderWith :: Builder      
               -> BuildStep a 
               -> BuildStep a
runBuilderWith :: forall a. Builder -> BuildStep a -> BuildStep a
runBuilderWith (Builder forall r. BuildStep r -> BuildStep r
b) = BuildStep a -> BuildStep a
forall r. BuildStep r -> BuildStep r
b
{-# INLINE[1] empty #-}
empty :: Builder
empty :: Builder
empty = (forall r. BuildStep r -> BuildStep r) -> Builder
Builder (BufferRange -> IO (BuildSignal r))
-> BufferRange -> IO (BuildSignal r)
forall r. BuildStep r -> BuildStep r
forall a b. (a -> b) -> a -> b
($)
{-# INLINE[1] append #-}
append :: Builder -> Builder -> Builder
append :: Builder -> Builder -> Builder
append (Builder forall r. BuildStep r -> BuildStep r
b1) (Builder forall r. BuildStep r -> BuildStep r
b2) = (forall r. BuildStep r -> BuildStep r) -> Builder
Builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ BuildStep r -> BuildStep r
forall r. BuildStep r -> BuildStep r
b1 (BuildStep r -> BuildStep r)
-> (BuildStep r -> BuildStep r) -> BuildStep r -> BuildStep r
forall b c a. (b -> c) -> (a -> b) -> a -> c
. BuildStep r -> BuildStep r
forall r. BuildStep r -> BuildStep r
b2
instance Semigroup Builder where
  {-# INLINE (<>) #-}
  <> :: Builder -> Builder -> Builder
(<>) = Builder -> Builder -> Builder
append
instance Monoid Builder where
  {-# INLINE mempty #-}
  mempty :: Builder
mempty = Builder
empty
  {-# INLINE mappend #-}
  mappend :: Builder -> Builder -> Builder
mappend = Builder -> Builder -> Builder
forall a. Semigroup a => a -> a -> a
(<>)
  {-# INLINE mconcat #-}
  mconcat :: [Builder] -> Builder
mconcat = (Builder -> Builder -> Builder) -> Builder -> [Builder] -> Builder
forall a b. (a -> b -> b) -> b -> [a] -> b
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr Builder -> Builder -> Builder
forall a. Monoid a => a -> a -> a
mappend Builder
forall a. Monoid a => a
mempty
{-# INLINE flush #-}
flush :: Builder
flush :: Builder
flush = (forall r. BuildStep r -> BuildStep r) -> Builder
builder BuildStep r -> BuildStep r
forall r. BuildStep r -> BuildStep r
forall {m :: * -> *} {a}.
Monad m =>
BuildStep a -> BufferRange -> m (BuildSignal a)
step
  where
    step :: BuildStep a -> BufferRange -> m (BuildSignal a)
step BuildStep a
k (BufferRange Ptr Word8
op Ptr Word8
_) = BuildSignal a -> m (BuildSignal a)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> m (BuildSignal a))
-> BuildSignal a -> m (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
forall a. Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
insertChunk Ptr Word8
op ByteString
S.empty BuildStep a
k
newtype Put a = Put { forall a. Put a -> forall r. (a -> BuildStep r) -> BuildStep r
unPut :: forall r. (a -> BuildStep r) -> BuildStep r }
{-# INLINE put #-}
put :: (forall r. (a -> BuildStep r) -> BuildStep r)
       
       
       
       
       
    
    
    
    
    
    
    
    
    
    
       -> Put a
put :: forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
put = (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put
{-# INLINE runPut #-}
runPut :: Put a       
       -> BuildStep a 
                      
                      
runPut :: forall a. Put a -> BuildStep a
runPut (Put forall r. (a -> BuildStep r) -> BuildStep r
p) = (a -> BuildStep a) -> BuildStep a
forall r. (a -> BuildStep r) -> BuildStep r
p ((a -> BuildStep a) -> BuildStep a)
-> (a -> BuildStep a) -> BuildStep a
forall a b. (a -> b) -> a -> b
$ \a
x (BufferRange Ptr Word8
op Ptr Word8
_) -> BuildSignal a -> IO (BuildSignal a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> IO (BuildSignal a))
-> BuildSignal a -> IO (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Ptr Word8 -> a -> BuildSignal a
forall a. Ptr Word8 -> a -> BuildSignal a
Done Ptr Word8
op a
x
instance Functor Put where
  fmap :: forall a b. (a -> b) -> Put a -> Put b
fmap a -> b
f Put a
p = (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (b -> BuildStep r) -> BuildStep r) -> Put b)
-> (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a b. (a -> b) -> a -> b
$ \b -> BuildStep r
k -> Put a -> forall r. (a -> BuildStep r) -> BuildStep r
forall a. Put a -> forall r. (a -> BuildStep r) -> BuildStep r
unPut Put a
p (b -> BuildStep r
k (b -> BuildStep r) -> (a -> b) -> a -> BuildStep r
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> b
f)
  {-# INLINE fmap #-}
{-# INLINE[1] ap_l #-}
ap_l :: Put a -> Put b -> Put a
ap_l :: forall a b. Put a -> Put b -> Put a
ap_l (Put forall r. (a -> BuildStep r) -> BuildStep r
a) (Put forall r. (b -> BuildStep r) -> BuildStep r
b) = (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (a -> BuildStep r) -> BuildStep r) -> Put a)
-> (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
forall a b. (a -> b) -> a -> b
$ \a -> BuildStep r
k -> (a -> BuildStep r) -> BuildStep r
forall r. (a -> BuildStep r) -> BuildStep r
a (\a
a' -> (b -> BuildStep r) -> BuildStep r
forall r. (b -> BuildStep r) -> BuildStep r
b (\b
_ -> a -> BuildStep r
k a
a'))
{-# INLINE[1] ap_r #-}
ap_r :: Put a -> Put b -> Put b
ap_r :: forall a b. Put a -> Put b -> Put b
ap_r (Put forall r. (a -> BuildStep r) -> BuildStep r
a) (Put forall r. (b -> BuildStep r) -> BuildStep r
b) = (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (b -> BuildStep r) -> BuildStep r) -> Put b)
-> (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a b. (a -> b) -> a -> b
$ \b -> BuildStep r
k -> (a -> BuildStep r) -> BuildStep r
forall r. (a -> BuildStep r) -> BuildStep r
a (\a
_ -> (b -> BuildStep r) -> BuildStep r
forall r. (b -> BuildStep r) -> BuildStep r
b b -> BuildStep r
k)
instance Applicative Put where
  {-# INLINE pure #-}
  pure :: forall a. a -> Put a
pure a
x = (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (a -> BuildStep r) -> BuildStep r) -> Put a)
-> (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
forall a b. (a -> b) -> a -> b
$ \a -> BuildStep r
k -> a -> BuildStep r
k a
x
  {-# INLINE (<*>) #-}
  Put forall r. ((a -> b) -> BuildStep r) -> BuildStep r
f <*> :: forall a b. Put (a -> b) -> Put a -> Put b
<*> Put forall r. (a -> BuildStep r) -> BuildStep r
a = (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (b -> BuildStep r) -> BuildStep r) -> Put b)
-> (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a b. (a -> b) -> a -> b
$ \b -> BuildStep r
k -> ((a -> b) -> BuildStep r) -> BuildStep r
forall r. ((a -> b) -> BuildStep r) -> BuildStep r
f (\a -> b
f' -> (a -> BuildStep r) -> BuildStep r
forall r. (a -> BuildStep r) -> BuildStep r
a (b -> BuildStep r
k (b -> BuildStep r) -> (a -> b) -> a -> BuildStep r
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> b
f'))
  {-# INLINE (<*) #-}
  <* :: forall a b. Put a -> Put b -> Put a
(<*) = Put a -> Put b -> Put a
forall a b. Put a -> Put b -> Put a
ap_l
  {-# INLINE (*>) #-}
  *> :: forall a b. Put a -> Put b -> Put b
(*>) = Put a -> Put b -> Put b
forall a b. Put a -> Put b -> Put b
ap_r
instance Monad Put where
  {-# INLINE return #-}
  return :: forall a. a -> Put a
return = a -> Put a
forall a. a -> Put a
forall (f :: * -> *) a. Applicative f => a -> f a
pure
  {-# INLINE (>>=) #-}
  Put forall r. (a -> BuildStep r) -> BuildStep r
m >>= :: forall a b. Put a -> (a -> Put b) -> Put b
>>= a -> Put b
f = (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (b -> BuildStep r) -> BuildStep r) -> Put b)
-> (forall r. (b -> BuildStep r) -> BuildStep r) -> Put b
forall a b. (a -> b) -> a -> b
$ \b -> BuildStep r
k -> (a -> BuildStep r) -> BuildStep r
forall r. (a -> BuildStep r) -> BuildStep r
m (\a
m' -> Put b -> forall r. (b -> BuildStep r) -> BuildStep r
forall a. Put a -> forall r. (a -> BuildStep r) -> BuildStep r
unPut (a -> Put b
f a
m') b -> BuildStep r
k)
  {-# INLINE (>>) #-}
  >> :: forall a b. Put a -> Put b -> Put b
(>>) = Put a -> Put b -> Put b
forall a b. Put a -> Put b -> Put b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
(*>)
{-# INLINE[1] putBuilder #-}
putBuilder :: Builder -> Put ()
putBuilder :: Builder -> Put ()
putBuilder (Builder forall r. BuildStep r -> BuildStep r
b) = (forall r. (() -> BuildStep r) -> BuildStep r) -> Put ()
forall a. (forall r. (a -> BuildStep r) -> BuildStep r) -> Put a
Put ((forall r. (() -> BuildStep r) -> BuildStep r) -> Put ())
-> (forall r. (() -> BuildStep r) -> BuildStep r) -> Put ()
forall a b. (a -> b) -> a -> b
$ \() -> BuildStep r
k -> BuildStep r -> BuildStep r
forall r. BuildStep r -> BuildStep r
b (() -> BuildStep r
k ())
{-# INLINE fromPut #-}
fromPut :: Put () -> Builder
fromPut :: Put () -> Builder
fromPut (Put forall r. (() -> BuildStep r) -> BuildStep r
p) = (forall r. BuildStep r -> BuildStep r) -> Builder
Builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ \BuildStep r
k -> (() -> BuildStep r) -> BuildStep r
forall r. (() -> BuildStep r) -> BuildStep r
p (BuildStep r -> () -> BuildStep r
forall a b. a -> b -> a
const BuildStep r
k)
{-# RULES
"ap_l/putBuilder" forall b1 b2.
       ap_l (putBuilder b1) (putBuilder b2)
     = putBuilder (append b1 b2)
"ap_l/putBuilder/assoc_r" forall b1 b2 (p :: Put a).
       ap_l (putBuilder b1) (ap_l (putBuilder b2) p)
     = ap_l (putBuilder (append b1 b2)) p
"ap_l/putBuilder/assoc_l" forall (p :: Put a) b1 b2.
       ap_l (ap_l p (putBuilder b1)) (putBuilder b2)
     = ap_l p (putBuilder (append b1 b2))
 #-}
{-# RULES
"ap_r/putBuilder" forall b1 b2.
       ap_r (putBuilder b1) (putBuilder b2)
     = putBuilder (append b1 b2)
"ap_r/putBuilder/assoc_r" forall b1 b2 (p :: Put a).
       ap_r (putBuilder b1) (ap_r (putBuilder b2) p)
     = ap_r (putBuilder (append b1 b2)) p
"ap_r/putBuilder/assoc_l" forall (p :: Put a) b1 b2.
       ap_r (ap_r p (putBuilder b1)) (putBuilder b2)
     = ap_r p (putBuilder (append b1 b2))
 #-}
{-# RULES
"ap_l/ap_r/putBuilder/assoc_r" forall b1 b2 (p :: Put a).
       ap_l (putBuilder b1) (ap_r (putBuilder b2) p)
     = ap_l (putBuilder (append b1 b2)) p
"ap_r/ap_l/putBuilder/assoc_r" forall b1 b2 (p :: Put a).
       ap_r (putBuilder b1) (ap_l (putBuilder b2) p)
     = ap_l (putBuilder (append b1 b2)) p
"ap_l/ap_r/putBuilder/assoc_l" forall (p :: Put a) b1 b2.
       ap_l (ap_r p (putBuilder b1)) (putBuilder b2)
     = ap_r p (putBuilder (append b1 b2))
"ap_r/ap_l/putBuilder/assoc_l" forall (p :: Put a) b1 b2.
       ap_r (ap_l p (putBuilder b1)) (putBuilder b2)
     = ap_r p (putBuilder (append b1 b2))
 #-}
hPut :: forall a. Handle -> Put a -> IO a
hPut :: forall a. Handle -> Put a -> IO a
hPut Handle
h Put a
p = do
    Int -> BuildStep a -> IO a
fillHandle Int
1 (Put a -> BuildStep a
forall a. Put a -> BuildStep a
runPut Put a
p)
  where
    fillHandle :: Int -> BuildStep a -> IO a
    fillHandle :: Int -> BuildStep a -> IO a
fillHandle !Int
minFree BuildStep a
step = do
        IO a
next <- String -> Handle -> (Handle__ -> IO (IO a)) -> IO (IO a)
forall a. String -> Handle -> (Handle__ -> IO a) -> IO a
wantWritableHandle String
"hPut" Handle
h Handle__ -> IO (IO a)
fillHandle_
        IO a
next
      where
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        fillHandle_ :: Handle__ -> IO (IO a)
        fillHandle_ :: Handle__ -> IO (IO a)
fillHandle_ Handle__
h_ = do
            Buffer Word8 -> IO ()
forall {e}. Buffer e -> IO ()
makeSpace  (Buffer Word8 -> IO ()) -> IO (Buffer Word8) -> IO ()
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
refBuf
            Buffer Word8 -> IO (IO a)
fillBuffer (Buffer Word8 -> IO (IO a)) -> IO (Buffer Word8) -> IO (IO a)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
refBuf
          where
            refBuf :: IORef (Buffer Word8)
refBuf        = Handle__ -> IORef (Buffer Word8)
haByteBuffer Handle__
h_
            freeSpace :: Buffer e -> Int
freeSpace Buffer e
buf = Buffer e -> Int
forall e. Buffer e -> Int
IO.bufSize Buffer e
buf Int -> Int -> Int
forall a. Num a => a -> a -> a
- Buffer e -> Int
forall e. Buffer e -> Int
IO.bufR Buffer e
buf
            makeSpace :: Buffer e -> IO ()
makeSpace Buffer e
buf
              | Buffer e -> Int
forall e. Buffer e -> Int
IO.bufSize Buffer e
buf Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
< Int
minFree = do
                  Handle__ -> IO ()
flushWriteBuffer Handle__
h_
                  BufferState
s <- Buffer Word8 -> BufferState
forall e. Buffer e -> BufferState
IO.bufState (Buffer Word8 -> BufferState)
-> IO (Buffer Word8) -> IO BufferState
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef (Buffer Word8) -> IO (Buffer Word8)
forall a. IORef a -> IO a
readIORef IORef (Buffer Word8)
refBuf
                  Int -> BufferState -> IO (Buffer Word8)
IO.newByteBuffer Int
minFree BufferState
s IO (Buffer Word8) -> (Buffer Word8 -> IO ()) -> IO ()
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= IORef (Buffer Word8) -> Buffer Word8 -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer Word8)
refBuf
              | Buffer e -> Int
forall e. Buffer e -> Int
freeSpace Buffer e
buf Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
< Int
minFree = Handle__ -> IO ()
flushWriteBuffer Handle__
h_
              | Bool
otherwise               =
                                          () -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
            fillBuffer :: Buffer Word8 -> IO (IO a)
fillBuffer Buffer Word8
buf
              | Buffer Word8 -> Int
forall e. Buffer e -> Int
freeSpace Buffer Word8
buf Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
< Int
minFree =
                  String -> IO (IO a)
forall a. HasCallStack => String -> a
error (String -> IO (IO a)) -> String -> IO (IO a)
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines
                    [ String
"Data.ByteString.Builder.Internal.hPut: internal error."
                    , String
"  Not enough space after flush."
                    , String
"    required: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
minFree
                    , String
"    free: "     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
freeSpace Buffer Word8
buf)
                    ]
              | Bool
otherwise = do
                  let !br :: BufferRange
br = Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
forall {b}. Ptr b
op (Ptr Word8
pBuf Ptr Word8 -> Int -> Ptr Word8
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Buffer Word8 -> Int
forall e. Buffer e -> Int
IO.bufSize Buffer Word8
buf)
                  IO a
res <- BuildStep a
-> (Ptr Word8 -> a -> IO (IO a))
-> (Ptr Word8 -> Int -> BuildStep a -> IO (IO a))
-> (Ptr Word8 -> ByteString -> BuildStep a -> IO (IO a))
-> BufferRange
-> IO (IO a)
forall a b.
BuildStep a
-> (Ptr Word8 -> a -> IO b)
-> (Ptr Word8 -> Int -> BuildStep a -> IO b)
-> (Ptr Word8 -> ByteString -> BuildStep a -> IO b)
-> BufferRange
-> IO b
fillWithBuildStep BuildStep a
step Ptr Word8 -> a -> IO (IO a)
forall {a} {a}. Ptr a -> a -> IO (IO a)
doneH Ptr Word8 -> Int -> BuildStep a -> IO (IO a)
forall {a}. Ptr a -> Int -> BuildStep a -> IO (IO a)
fullH Ptr Word8 -> ByteString -> BuildStep a -> IO (IO a)
forall {a}. Ptr a -> ByteString -> BuildStep a -> IO (IO a)
insertChunkH BufferRange
br
                  ForeignPtr Word8 -> IO ()
forall a. ForeignPtr a -> IO ()
touchForeignPtr ForeignPtr Word8
fpBuf
                  IO a -> IO (IO a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return IO a
res
              where
                fpBuf :: ForeignPtr Word8
fpBuf = Buffer Word8 -> ForeignPtr Word8
forall e. Buffer e -> RawBuffer e
IO.bufRaw Buffer Word8
buf
                pBuf :: Ptr Word8
pBuf  = ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
fpBuf
                op :: Ptr b
op    = Ptr Word8
pBuf Ptr Word8 -> Int -> Ptr b
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Buffer Word8 -> Int
forall e. Buffer e -> Int
IO.bufR Buffer Word8
buf
                {-# INLINE updateBufR #-}
                updateBufR :: Ptr a -> IO ()
updateBufR Ptr a
op' = do
                    let !off' :: Int
off' = Ptr a
op' Ptr a -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
pBuf
                        !buf' :: Buffer Word8
buf' = Buffer Word8
buf {bufR :: Int
IO.bufR = Int
off'}
                    IORef (Buffer Word8) -> Buffer Word8 -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef (Buffer Word8)
refBuf Buffer Word8
buf'
                doneH :: Ptr a -> a -> IO (IO a)
doneH Ptr a
op' a
x = do
                    Ptr a -> IO ()
forall {a}. Ptr a -> IO ()
updateBufR Ptr a
op'
                    
                    
                    
                    
                    
                    case Handle__ -> BufferMode
haBufferMode Handle__
h_ of
                        BlockBuffering Maybe Int
_      -> IO a -> IO (IO a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (IO a -> IO (IO a)) -> IO a -> IO (IO a)
forall a b. (a -> b) -> a -> b
$ a -> IO a
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return a
x
                        BufferMode
_line_or_no_buffering -> IO a -> IO (IO a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (IO a -> IO (IO a)) -> IO a -> IO (IO a)
forall a b. (a -> b) -> a -> b
$ Handle -> IO ()
hFlush Handle
h IO () -> IO a -> IO a
forall a b. IO a -> IO b -> IO b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> a -> IO a
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return a
x
                fullH :: Ptr a -> Int -> BuildStep a -> IO (IO a)
fullH Ptr a
op' Int
minSize BuildStep a
nextStep = do
                    Ptr a -> IO ()
forall {a}. Ptr a -> IO ()
updateBufR Ptr a
op'
                    IO a -> IO (IO a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (IO a -> IO (IO a)) -> IO a -> IO (IO a)
forall a b. (a -> b) -> a -> b
$ Int -> BuildStep a -> IO a
fillHandle Int
minSize BuildStep a
nextStep
                    
                    
                    
                insertChunkH :: Ptr a -> ByteString -> BuildStep a -> IO (IO a)
insertChunkH Ptr a
op' ByteString
bs BuildStep a
nextStep = do
                    Ptr a -> IO ()
forall {a}. Ptr a -> IO ()
updateBufR Ptr a
op'
                    IO a -> IO (IO a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (IO a -> IO (IO a)) -> IO a -> IO (IO a)
forall a b. (a -> b) -> a -> b
$ do
                        Handle -> ByteString -> IO ()
S.hPut Handle
h ByteString
bs
                        Int -> BuildStep a -> IO a
fillHandle Int
1 BuildStep a
nextStep
{-# NOINLINE putToLazyByteString #-}
putToLazyByteString
    :: Put a              
    -> (a, L.ByteString)  
                          
putToLazyByteString :: forall a. Put a -> (a, ByteString)
putToLazyByteString = AllocationStrategy
-> (a -> (a, ByteString)) -> Put a -> (a, ByteString)
forall a b.
AllocationStrategy
-> (a -> (b, ByteString)) -> Put a -> (b, ByteString)
putToLazyByteStringWith
    (Int -> Int -> AllocationStrategy
safeStrategy Int
L.smallChunkSize Int
L.defaultChunkSize) (, ByteString
L.Empty)
{-# INLINE putToLazyByteStringWith #-}
putToLazyByteStringWith
    :: AllocationStrategy
       
    -> (a -> (b, L.ByteString))
       
       
    -> Put a
       
    -> (b, L.ByteString)
       
putToLazyByteStringWith :: forall a b.
AllocationStrategy
-> (a -> (b, ByteString)) -> Put a -> (b, ByteString)
putToLazyByteStringWith AllocationStrategy
strategy a -> (b, ByteString)
k Put a
p =
    AllocationStrategy
-> (a -> (b, ByteString)) -> ChunkIOStream a -> (b, ByteString)
forall a b.
AllocationStrategy
-> (a -> (b, ByteString)) -> ChunkIOStream a -> (b, ByteString)
ciosToLazyByteString AllocationStrategy
strategy a -> (b, ByteString)
k (ChunkIOStream a -> (b, ByteString))
-> ChunkIOStream a -> (b, ByteString)
forall a b. (a -> b) -> a -> b
$ IO (ChunkIOStream a) -> ChunkIOStream a
forall a. IO a -> a
unsafeDupablePerformIO (IO (ChunkIOStream a) -> ChunkIOStream a)
-> IO (ChunkIOStream a) -> ChunkIOStream a
forall a b. (a -> b) -> a -> b
$
        AllocationStrategy -> BuildStep a -> IO (ChunkIOStream a)
forall a. AllocationStrategy -> BuildStep a -> IO (ChunkIOStream a)
buildStepToCIOS AllocationStrategy
strategy (Put a -> BuildStep a
forall a. Put a -> BuildStep a
runPut Put a
p)
{-# INLINE ensureFree #-}
ensureFree :: Int -> Builder
ensureFree :: Int -> Builder
ensureFree Int
minFree =
    (forall r. BuildStep r -> BuildStep r) -> Builder
builder BuildStep r -> BuildStep r
forall r. BuildStep r -> BuildStep r
step
  where
    step :: BuildStep a -> BuildStep a
step BuildStep a
k br :: BufferRange
br@(BufferRange Ptr Word8
op Ptr Word8
ope)
      | Ptr Word8
ope Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
op Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
< Int
minFree = BuildSignal a -> IO (BuildSignal a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> IO (BuildSignal a))
-> BuildSignal a -> IO (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
forall a. Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
bufferFull Int
minFree Ptr Word8
op BuildStep a
k
      | Bool
otherwise                   = BuildStep a
k BufferRange
br
wrappedBytesCopyStep :: BufferRange  
                     -> BuildStep a -> BuildStep a
wrappedBytesCopyStep :: forall a. BufferRange -> BuildStep a -> BuildStep a
wrappedBytesCopyStep (BufferRange Ptr Word8
ip0 Ptr Word8
ipe) BuildStep a
k =
    Ptr Word8 -> BuildStep a
go Ptr Word8
ip0
  where
    go :: Ptr Word8 -> BuildStep a
go !Ptr Word8
ip (BufferRange Ptr Word8
op Ptr Word8
ope)
      | Int
inpRemaining Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
<= Int
outRemaining = do
          Ptr Word8 -> Ptr Word8 -> Int -> IO ()
forall a. Ptr a -> Ptr a -> Int -> IO ()
copyBytes Ptr Word8
op Ptr Word8
ip Int
inpRemaining
          let !br' :: BufferRange
br' = Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange (Ptr Word8
op Ptr Word8 -> Int -> Ptr Word8
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
inpRemaining) Ptr Word8
ope
          BuildStep a
k BufferRange
br'
      | Bool
otherwise = do
          Ptr Word8 -> Ptr Word8 -> Int -> IO ()
forall a. Ptr a -> Ptr a -> Int -> IO ()
copyBytes Ptr Word8
op Ptr Word8
ip Int
outRemaining
          let !ip' :: Ptr b
ip' = Ptr Word8
ip Ptr Word8 -> Int -> Ptr b
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
outRemaining
          BuildSignal a -> IO (BuildSignal a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> IO (BuildSignal a))
-> BuildSignal a -> IO (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
forall a. Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
bufferFull Int
1 Ptr Word8
ope (Ptr Word8 -> BuildStep a
go Ptr Word8
forall {b}. Ptr b
ip')
      where
        outRemaining :: Int
outRemaining = Ptr Word8
ope Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
op
        inpRemaining :: Int
inpRemaining = Ptr Word8
ipe Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
ip
{-# INLINE byteStringThreshold #-}
byteStringThreshold :: Int -> S.ByteString -> Builder
byteStringThreshold :: Int -> ByteString -> Builder
byteStringThreshold Int
maxCopySize =
    \ByteString
bs -> (forall r. BuildStep r -> BuildStep r) -> Builder
builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ ByteString -> BuildStep r -> BuildStep r
forall {a}. ByteString -> BuildStep a -> BuildStep a
step ByteString
bs
  where
    step :: ByteString -> BuildStep a -> BuildStep a
step bs :: ByteString
bs@(S.BS ForeignPtr Word8
_ Int
len) !BuildStep a
k br :: BufferRange
br@(BufferRange !Ptr Word8
op Ptr Word8
_)
      | Int
len Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
<= Int
maxCopySize = ByteString -> BuildStep a -> BuildStep a
forall {a}. ByteString -> BuildStep a -> BuildStep a
byteStringCopyStep ByteString
bs BuildStep a
k BufferRange
br
      | Bool
otherwise          = BuildSignal a -> IO (BuildSignal a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> IO (BuildSignal a))
-> BuildSignal a -> IO (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
forall a. Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
insertChunk Ptr Word8
op ByteString
bs BuildStep a
k
{-# INLINE byteStringCopy #-}
byteStringCopy :: S.ByteString -> Builder
byteStringCopy :: ByteString -> Builder
byteStringCopy = \ByteString
bs -> (forall r. BuildStep r -> BuildStep r) -> Builder
builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ ByteString -> BuildStep r -> BuildStep r
forall {a}. ByteString -> BuildStep a -> BuildStep a
byteStringCopyStep ByteString
bs
{-# INLINE byteStringCopyStep #-}
byteStringCopyStep :: S.ByteString -> BuildStep a -> BuildStep a
byteStringCopyStep :: forall {a}. ByteString -> BuildStep a -> BuildStep a
byteStringCopyStep (S.BS ForeignPtr Word8
ifp Int
isize) !BuildStep a
k0 br0 :: BufferRange
br0@(BufferRange Ptr Word8
op Ptr Word8
ope)
    
    
    | Ptr Word8
forall {b}. Ptr b
op' Ptr Word8 -> Ptr Word8 -> Bool
forall a. Ord a => a -> a -> Bool
<= Ptr Word8
ope = do Ptr Word8 -> Ptr Word8 -> Int -> IO ()
forall a. Ptr a -> Ptr a -> Int -> IO ()
copyBytes Ptr Word8
op Ptr Word8
ip Int
isize
                      ForeignPtr Word8 -> IO ()
forall a. ForeignPtr a -> IO ()
touchForeignPtr ForeignPtr Word8
ifp
                      BuildStep a
k0 (Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
forall {b}. Ptr b
op' Ptr Word8
ope)
    | Bool
otherwise  = BufferRange -> BuildStep a -> BuildStep a
forall a. BufferRange -> BuildStep a -> BuildStep a
wrappedBytesCopyStep (Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
ip Ptr Word8
forall {b}. Ptr b
ipe) BuildStep a
k BufferRange
br0
  where
    op' :: Ptr b
op'  = Ptr Word8
op Ptr Word8 -> Int -> Ptr b
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
isize
    ip :: Ptr Word8
ip   = ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
ifp
    ipe :: Ptr b
ipe  = Ptr Word8
ip Ptr Word8 -> Int -> Ptr b
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
isize
    k :: BuildStep a
k BufferRange
br = do ForeignPtr Word8 -> IO ()
forall a. ForeignPtr a -> IO ()
touchForeignPtr ForeignPtr Word8
ifp  
              BuildStep a
k0 BufferRange
br
{-# INLINE byteStringInsert #-}
byteStringInsert :: S.ByteString -> Builder
byteStringInsert :: ByteString -> Builder
byteStringInsert =
    \ByteString
bs -> (forall r. BuildStep r -> BuildStep r) -> Builder
builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ \BuildStep r
k (BufferRange Ptr Word8
op Ptr Word8
_) -> BuildSignal r -> IO (BuildSignal r)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal r -> IO (BuildSignal r))
-> BuildSignal r -> IO (BuildSignal r)
forall a b. (a -> b) -> a -> b
$ Ptr Word8 -> ByteString -> BuildStep r -> BuildSignal r
forall a. Ptr Word8 -> ByteString -> BuildStep a -> BuildSignal a
insertChunk Ptr Word8
op ByteString
bs BuildStep r
k
{-# INLINE shortByteString #-}
shortByteString :: Sh.ShortByteString -> Builder
shortByteString :: ShortByteString -> Builder
shortByteString = \ShortByteString
sbs -> (forall r. BuildStep r -> BuildStep r) -> Builder
builder ((forall r. BuildStep r -> BuildStep r) -> Builder)
-> (forall r. BuildStep r -> BuildStep r) -> Builder
forall a b. (a -> b) -> a -> b
$ ShortByteString -> BuildStep r -> BuildStep r
forall a. ShortByteString -> BuildStep a -> BuildStep a
shortByteStringCopyStep ShortByteString
sbs
{-# INLINE shortByteStringCopyStep #-}
shortByteStringCopyStep :: Sh.ShortByteString  
                        -> BuildStep a -> BuildStep a
shortByteStringCopyStep :: forall a. ShortByteString -> BuildStep a -> BuildStep a
shortByteStringCopyStep !ShortByteString
sbs BuildStep a
k =
    Int -> Int -> BuildStep a
go Int
0 (ShortByteString -> Int
Sh.length ShortByteString
sbs)
  where
    go :: Int -> Int -> BuildStep a
go !Int
ip !Int
ipe (BufferRange Ptr Word8
op Ptr Word8
ope)
      | Int
inpRemaining Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
<= Int
outRemaining = do
          ShortByteString -> Int -> Ptr Word8 -> Int -> IO ()
forall a. ShortByteString -> Int -> Ptr a -> Int -> IO ()
Sh.copyToPtr ShortByteString
sbs Int
ip Ptr Word8
op Int
inpRemaining
          let !br' :: BufferRange
br' = Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange (Ptr Word8
op Ptr Word8 -> Int -> Ptr Word8
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
inpRemaining) Ptr Word8
ope
          BuildStep a
k BufferRange
br'
      | Bool
otherwise = do
          ShortByteString -> Int -> Ptr Word8 -> Int -> IO ()
forall a. ShortByteString -> Int -> Ptr a -> Int -> IO ()
Sh.copyToPtr ShortByteString
sbs Int
ip Ptr Word8
op Int
outRemaining
          let !ip' :: Int
ip' = Int
ip Int -> Int -> Int
forall a. Num a => a -> a -> a
+ Int
outRemaining
          BuildSignal a -> IO (BuildSignal a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (BuildSignal a -> IO (BuildSignal a))
-> BuildSignal a -> IO (BuildSignal a)
forall a b. (a -> b) -> a -> b
$ Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
forall a. Int -> Ptr Word8 -> BuildStep a -> BuildSignal a
bufferFull Int
1 Ptr Word8
ope (Int -> Int -> BuildStep a
go Int
ip' Int
ipe)
      where
        outRemaining :: Int
outRemaining = Ptr Word8
ope Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
op
        inpRemaining :: Int
inpRemaining = Int
ipe Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
ip
{-# INLINE lazyByteStringThreshold #-}
lazyByteStringThreshold :: Int -> L.ByteString -> Builder
lazyByteStringThreshold :: Int -> ByteString -> Builder
lazyByteStringThreshold Int
maxCopySize =
    (ByteString -> Builder -> Builder)
-> Builder -> ByteString -> Builder
forall a. (ByteString -> a -> a) -> a -> ByteString -> a
L.foldrChunks (\ByteString
bs Builder
b -> Int -> ByteString -> Builder
byteStringThreshold Int
maxCopySize ByteString
bs Builder -> Builder -> Builder
forall a. Monoid a => a -> a -> a
`mappend` Builder
b) Builder
forall a. Monoid a => a
mempty
    
    
{-# INLINE lazyByteStringCopy #-}
lazyByteStringCopy :: L.ByteString -> Builder
lazyByteStringCopy :: ByteString -> Builder
lazyByteStringCopy =
    (ByteString -> Builder -> Builder)
-> Builder -> ByteString -> Builder
forall a. (ByteString -> a -> a) -> a -> ByteString -> a
L.foldrChunks (\ByteString
bs Builder
b -> ByteString -> Builder
byteStringCopy ByteString
bs Builder -> Builder -> Builder
forall a. Monoid a => a -> a -> a
`mappend` Builder
b) Builder
forall a. Monoid a => a
mempty
{-# INLINE lazyByteStringInsert #-}
lazyByteStringInsert :: L.ByteString -> Builder
lazyByteStringInsert :: ByteString -> Builder
lazyByteStringInsert =
    (ByteString -> Builder -> Builder)
-> Builder -> ByteString -> Builder
forall a. (ByteString -> a -> a) -> a -> ByteString -> a
L.foldrChunks (\ByteString
bs Builder
b -> ByteString -> Builder
byteStringInsert ByteString
bs Builder -> Builder -> Builder
forall a. Monoid a => a -> a -> a
`mappend` Builder
b) Builder
forall a. Monoid a => a
mempty
{-# INLINE byteString #-}
byteString :: S.ByteString -> Builder
byteString :: ByteString -> Builder
byteString = Int -> ByteString -> Builder
byteStringThreshold Int
maximalCopySize
{-# INLINE lazyByteString #-}
lazyByteString :: L.ByteString -> Builder
lazyByteString :: ByteString -> Builder
lazyByteString = Int -> ByteString -> Builder
lazyByteStringThreshold Int
maximalCopySize
maximalCopySize :: Int
maximalCopySize :: Int
maximalCopySize = Int
2 Int -> Int -> Int
forall a. Num a => a -> a -> a
* Int
L.smallChunkSize
data AllocationStrategy = AllocationStrategy
         (Maybe (Buffer, Int) -> IO Buffer)
         {-# UNPACK #-} !Int
         (Int -> Int -> Bool)
{-# INLINE customStrategy #-}
customStrategy
  :: (Maybe (Buffer, Int) -> IO Buffer)
     
     
     
     
     
  -> Int
     
  -> (Int -> Int -> Bool)
     
     
  -> AllocationStrategy
customStrategy :: (Maybe (Buffer, Int) -> IO Buffer)
-> Int -> (Int -> Int -> Bool) -> AllocationStrategy
customStrategy = (Maybe (Buffer, Int) -> IO Buffer)
-> Int -> (Int -> Int -> Bool) -> AllocationStrategy
AllocationStrategy
{-# INLINE sanitize #-}
sanitize :: Int -> Int
sanitize :: Int -> Int
sanitize = Int -> Int -> Int
forall a. Ord a => a -> a -> a
max (Int -> Int
forall a. Storable a => a -> Int
sizeOf (Int
forall a. HasCallStack => a
undefined :: Int))
{-# INLINE untrimmedStrategy #-}
untrimmedStrategy :: Int 
                  -> Int 
                  -> AllocationStrategy
                  
                  
untrimmedStrategy :: Int -> Int -> AllocationStrategy
untrimmedStrategy Int
firstSize Int
bufSize =
    (Maybe (Buffer, Int) -> IO Buffer)
-> Int -> (Int -> Int -> Bool) -> AllocationStrategy
AllocationStrategy Maybe (Buffer, Int) -> IO Buffer
forall {a}. Maybe (a, Int) -> IO Buffer
nextBuffer (Int -> Int
sanitize Int
bufSize) (\Int
_ Int
_ -> Bool
False)
  where
    {-# INLINE nextBuffer #-}
    nextBuffer :: Maybe (a, Int) -> IO Buffer
nextBuffer Maybe (a, Int)
Nothing             = Int -> IO Buffer
newBuffer (Int -> IO Buffer) -> Int -> IO Buffer
forall a b. (a -> b) -> a -> b
$ Int -> Int
sanitize Int
firstSize
    nextBuffer (Just (a
_, Int
minSize)) = Int -> IO Buffer
newBuffer Int
minSize
{-# INLINE safeStrategy #-}
safeStrategy :: Int  
             -> Int  
             -> AllocationStrategy
             
             
safeStrategy :: Int -> Int -> AllocationStrategy
safeStrategy Int
firstSize Int
bufSize =
    (Maybe (Buffer, Int) -> IO Buffer)
-> Int -> (Int -> Int -> Bool) -> AllocationStrategy
AllocationStrategy Maybe (Buffer, Int) -> IO Buffer
forall {a}. Maybe (a, Int) -> IO Buffer
nextBuffer (Int -> Int
sanitize Int
bufSize) Int -> Int -> Bool
forall {a}. (Ord a, Num a) => a -> a -> Bool
trim
  where
    trim :: a -> a -> Bool
trim a
used a
size                 = a
2 a -> a -> a
forall a. Num a => a -> a -> a
* a
used a -> a -> Bool
forall a. Ord a => a -> a -> Bool
< a
size
    {-# INLINE nextBuffer #-}
    nextBuffer :: Maybe (a, Int) -> IO Buffer
nextBuffer Maybe (a, Int)
Nothing             = Int -> IO Buffer
newBuffer (Int -> IO Buffer) -> Int -> IO Buffer
forall a b. (a -> b) -> a -> b
$ Int -> Int
sanitize Int
firstSize
    nextBuffer (Just (a
_, Int
minSize)) = Int -> IO Buffer
newBuffer Int
minSize
{-# INLINE toLazyByteStringWith #-}
toLazyByteStringWith
    :: AllocationStrategy
       
    -> L.ByteString
       
       
    -> Builder
       
    -> L.ByteString
       
toLazyByteStringWith :: AllocationStrategy -> ByteString -> Builder -> ByteString
toLazyByteStringWith AllocationStrategy
strategy ByteString
k Builder
b =
    AllocationStrategy -> ByteString -> ChunkIOStream () -> ByteString
ciosUnitToLazyByteString AllocationStrategy
strategy ByteString
k (ChunkIOStream () -> ByteString) -> ChunkIOStream () -> ByteString
forall a b. (a -> b) -> a -> b
$ IO (ChunkIOStream ()) -> ChunkIOStream ()
forall a. IO a -> a
unsafeDupablePerformIO (IO (ChunkIOStream ()) -> ChunkIOStream ())
-> IO (ChunkIOStream ()) -> ChunkIOStream ()
forall a b. (a -> b) -> a -> b
$
        AllocationStrategy -> BuildStep () -> IO (ChunkIOStream ())
forall a. AllocationStrategy -> BuildStep a -> IO (ChunkIOStream a)
buildStepToCIOS AllocationStrategy
strategy (Builder -> BuildStep ()
runBuilder Builder
b)
{-# INLINE buildStepToCIOS #-}
buildStepToCIOS
    :: forall a.
       AllocationStrategy          
    -> BuildStep a                 
    -> IO (ChunkIOStream a)
buildStepToCIOS :: forall a. AllocationStrategy -> BuildStep a -> IO (ChunkIOStream a)
buildStepToCIOS (AllocationStrategy Maybe (Buffer, Int) -> IO Buffer
nextBuffer Int
bufSize Int -> Int -> Bool
trim) =
    \BuildStep a
step -> Maybe (Buffer, Int) -> IO Buffer
nextBuffer Maybe (Buffer, Int)
forall a. Maybe a
Nothing IO Buffer
-> (Buffer -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= BuildStep a -> Buffer -> IO (ChunkIOStream a)
fill BuildStep a
step
  where
    fill :: BuildStep a -> Buffer -> IO (ChunkIOStream a)
    fill :: BuildStep a -> Buffer -> IO (ChunkIOStream a)
fill !BuildStep a
step buf :: Buffer
buf@(Buffer ForeignPtr Word8
fpbuf br :: BufferRange
br@(BufferRange Ptr Word8
_ Ptr Word8
pe)) = do
        ChunkIOStream a
res <- BuildStep a
-> (Ptr Word8 -> a -> IO (ChunkIOStream a))
-> (Ptr Word8 -> Int -> BuildStep a -> IO (ChunkIOStream a))
-> (Ptr Word8 -> ByteString -> BuildStep a -> IO (ChunkIOStream a))
-> BufferRange
-> IO (ChunkIOStream a)
forall a b.
BuildStep a
-> (Ptr Word8 -> a -> IO b)
-> (Ptr Word8 -> Int -> BuildStep a -> IO b)
-> (Ptr Word8 -> ByteString -> BuildStep a -> IO b)
-> BufferRange
-> IO b
fillWithBuildStep BuildStep a
step Ptr Word8 -> a -> IO (ChunkIOStream a)
doneH Ptr Word8 -> Int -> BuildStep a -> IO (ChunkIOStream a)
fullH Ptr Word8 -> ByteString -> BuildStep a -> IO (ChunkIOStream a)
insertChunkH BufferRange
br
        ForeignPtr Word8 -> IO ()
forall a. ForeignPtr a -> IO ()
touchForeignPtr ForeignPtr Word8
fpbuf
        ChunkIOStream a -> IO (ChunkIOStream a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ChunkIOStream a
res
      where
        pbuf :: Ptr Word8
        pbuf :: Ptr Word8
pbuf = ForeignPtr Word8 -> Ptr Word8
forall a. ForeignPtr a -> Ptr a
unsafeForeignPtrToPtr ForeignPtr Word8
fpbuf
        doneH :: Ptr Word8 -> a -> IO (ChunkIOStream a)
        doneH :: Ptr Word8 -> a -> IO (ChunkIOStream a)
doneH Ptr Word8
op' a
x = ChunkIOStream a -> IO (ChunkIOStream a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (ChunkIOStream a -> IO (ChunkIOStream a))
-> ChunkIOStream a -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$
            Buffer -> a -> ChunkIOStream a
forall a. Buffer -> a -> ChunkIOStream a
Finished (ForeignPtr Word8 -> BufferRange -> Buffer
Buffer ForeignPtr Word8
fpbuf (Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
op' Ptr Word8
pe)) a
x
        fullH :: Ptr Word8 -> Int -> BuildStep a -> IO (ChunkIOStream a)
        fullH :: Ptr Word8 -> Int -> BuildStep a -> IO (ChunkIOStream a)
fullH Ptr Word8
op' Int
minSize BuildStep a
nextStep =
            Ptr Word8 -> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
wrapChunk Ptr Word8
op' ((Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a))
-> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$ IO (ChunkIOStream a) -> Bool -> IO (ChunkIOStream a)
forall a b. a -> b -> a
const (IO (ChunkIOStream a) -> Bool -> IO (ChunkIOStream a))
-> IO (ChunkIOStream a) -> Bool -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$
                Maybe (Buffer, Int) -> IO Buffer
nextBuffer ((Buffer, Int) -> Maybe (Buffer, Int)
forall a. a -> Maybe a
Just (Buffer
buf, Int -> Int -> Int
forall a. Ord a => a -> a -> a
max Int
minSize Int
bufSize)) IO Buffer
-> (Buffer -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= BuildStep a -> Buffer -> IO (ChunkIOStream a)
fill BuildStep a
nextStep
        insertChunkH :: Ptr Word8 -> S.ByteString -> BuildStep a -> IO (ChunkIOStream a)
        insertChunkH :: Ptr Word8 -> ByteString -> BuildStep a -> IO (ChunkIOStream a)
insertChunkH Ptr Word8
op' ByteString
bs BuildStep a
nextStep =
            Ptr Word8 -> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
wrapChunk Ptr Word8
op' ((Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a))
-> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$ \Bool
isEmpty -> ByteString -> IO (ChunkIOStream a) -> IO (ChunkIOStream a)
forall a.
ByteString -> IO (ChunkIOStream a) -> IO (ChunkIOStream a)
yield1 ByteString
bs (IO (ChunkIOStream a) -> IO (ChunkIOStream a))
-> IO (ChunkIOStream a) -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$
                
                
                if Bool
isEmpty
                  then BuildStep a -> Buffer -> IO (ChunkIOStream a)
fill BuildStep a
nextStep (ForeignPtr Word8 -> BufferRange -> Buffer
Buffer ForeignPtr Word8
fpbuf (Ptr Word8 -> Ptr Word8 -> BufferRange
BufferRange Ptr Word8
pbuf Ptr Word8
pe))
                  else do Buffer
buf' <- Maybe (Buffer, Int) -> IO Buffer
nextBuffer ((Buffer, Int) -> Maybe (Buffer, Int)
forall a. a -> Maybe a
Just (Buffer
buf, Int
bufSize))
                          BuildStep a -> Buffer -> IO (ChunkIOStream a)
fill BuildStep a
nextStep Buffer
buf'
        
        {-# INLINE wrapChunk #-}
        wrapChunk :: Ptr Word8 -> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
        wrapChunk :: Ptr Word8 -> (Bool -> IO (ChunkIOStream a)) -> IO (ChunkIOStream a)
wrapChunk !Ptr Word8
op' Bool -> IO (ChunkIOStream a)
mkCIOS
          | Int
chunkSize Int -> Int -> Bool
forall a. Eq a => a -> a -> Bool
== Int
0      = Bool -> IO (ChunkIOStream a)
mkCIOS Bool
True
          | Int -> Int -> Bool
trim Int
chunkSize Int
size = do
              ByteString
bs <- Int -> (ForeignPtr Word8 -> IO ()) -> IO ByteString
S.createFp Int
chunkSize ((ForeignPtr Word8 -> IO ()) -> IO ByteString)
-> (ForeignPtr Word8 -> IO ()) -> IO ByteString
forall a b. (a -> b) -> a -> b
$ \ForeignPtr Word8
fpbuf' ->
                        ForeignPtr Word8 -> ForeignPtr Word8 -> Int -> IO ()
S.memcpyFp ForeignPtr Word8
fpbuf' ForeignPtr Word8
fpbuf Int
chunkSize
              
              
              ChunkIOStream a -> IO (ChunkIOStream a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (ChunkIOStream a -> IO (ChunkIOStream a))
-> ChunkIOStream a -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$ ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
forall a. ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
Yield1 ByteString
bs (Bool -> IO (ChunkIOStream a)
mkCIOS Bool
True)
          | Bool
otherwise            =
              ChunkIOStream a -> IO (ChunkIOStream a)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (ChunkIOStream a -> IO (ChunkIOStream a))
-> ChunkIOStream a -> IO (ChunkIOStream a)
forall a b. (a -> b) -> a -> b
$ ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
forall a. ByteString -> IO (ChunkIOStream a) -> ChunkIOStream a
Yield1 (ForeignPtr Word8 -> Int -> ByteString
S.BS ForeignPtr Word8
fpbuf Int
chunkSize) (Bool -> IO (ChunkIOStream a)
mkCIOS Bool
False)
          where
            chunkSize :: Int
chunkSize = Ptr Word8
op' Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
pbuf
            size :: Int
size      = Ptr Word8
pe  Ptr Word8 -> Ptr Word8 -> Int
forall a b. Ptr a -> Ptr b -> Int
`minusPtr` Ptr Word8
pbuf