{-# LANGUAGE AllowAmbiguousTypes #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
module Data.Hash.Class.Mutable.Salted
( Hash(..)
, hashPtr
, hashStorable
, hashByteString
, hashByteStringLazy
, hashShortByteString
, hashByteArray
, updateByteString
, updateByteStringLazy
, updateShortByteString
, updateStorable
, updateByteArray
) where
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as BL
import qualified Data.ByteString.Short as BS
import Data.Kind
import Data.Word
import Foreign.Ptr
import Foreign.Storable
import GHC.Exts
import GHC.IO
import Data.Hash.Class.Mutable.Internal
class IncrementalHash a => Hash a where
type Salt a :: Type
initialize :: Salt a -> IO (Context a)
hashPtr :: forall a . Hash a => Salt a -> Ptr Word8 -> Int -> IO a
hashPtr :: Salt a -> Ptr Word8 -> Int -> IO a
hashPtr Salt a
k Ptr Word8
p Int
n = do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> Ptr Word8 -> Int -> IO ()
forall a.
IncrementalHash a =>
Context a -> Ptr Word8 -> Int -> IO ()
update @a Context a
ctx Ptr Word8
p Int
n
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashPtr #-}
hashByteString :: forall a . Hash a => Salt a -> B.ByteString -> a
hashByteString :: Salt a -> ByteString -> a
hashByteString Salt a
k ByteString
b = IO a -> a
forall a. IO a -> a
unsafeDupablePerformIO (IO a -> a) -> IO a -> a
forall a b. (a -> b) -> a -> b
$ do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> ByteString -> IO ()
forall a. IncrementalHash a => Context a -> ByteString -> IO ()
updateByteString @a Context a
ctx ByteString
b
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashByteString #-}
hashByteStringLazy :: forall a . Hash a => Salt a -> BL.ByteString -> a
hashByteStringLazy :: Salt a -> ByteString -> a
hashByteStringLazy Salt a
k ByteString
b = IO a -> a
forall a. IO a -> a
unsafeDupablePerformIO (IO a -> a) -> IO a -> a
forall a b. (a -> b) -> a -> b
$ do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> ByteString -> IO ()
forall a. IncrementalHash a => Context a -> ByteString -> IO ()
updateByteStringLazy @a Context a
ctx ByteString
b
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashByteStringLazy #-}
hashShortByteString :: forall a . Hash a => Salt a -> BS.ShortByteString -> IO a
hashShortByteString :: Salt a -> ShortByteString -> IO a
hashShortByteString Salt a
k ShortByteString
b = do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> ShortByteString -> IO ()
forall a.
IncrementalHash a =>
Context a -> ShortByteString -> IO ()
updateShortByteString @a Context a
ctx ShortByteString
b
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashShortByteString #-}
hashStorable :: forall a b . Hash a => Storable b => Salt a -> b -> IO a
hashStorable :: Salt a -> b -> IO a
hashStorable Salt a
k b
b = do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> b -> IO ()
forall a b.
(IncrementalHash a, Storable b) =>
Context a -> b -> IO ()
updateStorable @a Context a
ctx b
b
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashStorable #-}
hashByteArray :: forall a . Hash a => Salt a -> ByteArray# -> IO a
hashByteArray :: Salt a -> ByteArray# -> IO a
hashByteArray Salt a
k ByteArray#
b = do
Context a
ctx <- Salt a -> IO (Context a)
forall a. Hash a => Salt a -> IO (Context a)
initialize @a Salt a
k
Context a -> ByteArray# -> IO ()
forall a. IncrementalHash a => Context a -> ByteArray# -> IO ()
updateByteArray @a Context a
ctx ByteArray#
b
Context a -> IO a
forall a. IncrementalHash a => Context a -> IO a
finalize Context a
ctx
{-# INLINE hashByteArray #-}