{-# LANGUAGE UnicodeSyntax, NoImplicitPrelude #-}

-------------------------------------------------------------------------------
-- |
-- Module      :  Data.ByteString.ExplicitIOModes
-- Copyright   :  (c) 2009-2010 Bas van Dijk
-- License     :  BSD3 (see the file LICENSE)
-- Maintainer  :  Bas van Dijk <v.dijk.bas@gmail.com>
--
-- This module lifts the bytestring IO operations to handles with explicit
-- IOModes.
--
-------------------------------------------------------------------------------

module Data.ByteString.ExplicitIOModes
    ( hGetLine
    , hGetContents
    , hGet
    , hGetNonBlocking

    , hPut
    , hPutStr
    , hPutStrLn
    ) where

-------------------------------------------------------------------------------
-- Imports
-------------------------------------------------------------------------------

-- from base:
import Data.Int  ( Int )
import System.IO ( IO )

-- from bytestring:
import Data.ByteString                ( ByteString )
import qualified Data.ByteString as B ( hGetLine
                                      , hGetContents
                                      , hGet
                                      , hGetNonBlocking

                                      , hPut
                                      , hPutStr
                                      , hPutStrLn
                                      )

-- from explicit-iomodes:
import System.IO.ExplicitIOModes        ( Handle, ReadModes, WriteModes )
import System.IO.ExplicitIOModes.Unsafe ( wrap, wrap2 )


-------------------------------------------------------------------------------
-- ByteString I/O with file handles with explicit IOModes
-------------------------------------------------------------------------------

-- | Wraps @Data.ByteString.@'B.hGetLine'.
hGetLine ∷ ReadModes ioMode ⇒ Handle ioMode → IO ByteString
hGetLine = wrap B.hGetLine

-- | Wraps @Data.ByteString.@'B.hGetContents'.
hGetContents ∷ ReadModes ioMode ⇒ Handle ioMode → IO ByteString
hGetContents = wrap B.hGetContents

-- | Wraps @Data.ByteString.@'B.hGet'.
hGet ∷ ReadModes ioMode ⇒ Handle ioMode → Int → IO ByteString
hGet = wrap2 B.hGet

-- | Wraps @Data.ByteString.@'B.hGetNonBlocking'.
hGetNonBlocking ∷ ReadModes ioMode ⇒ Handle ioMode → Int → IO ByteString
hGetNonBlocking = wrap2 B.hGetNonBlocking


-- | Wraps @Data.ByteString.@'B.hPut'.
hPut ∷ WriteModes ioMode ⇒ Handle ioMode → ByteString → IO ()
hPut = wrap2 B.hPut

-- | Wraps @Data.ByteString.@'B.hPutStr'.
hPutStr ∷ WriteModes ioMode ⇒ Handle ioMode → ByteString → IO ()
hPutStr = wrap2 B.hPutStr

-- | Wraps @Data.ByteString.@'B.hPutStrLn'.
hPutStrLn ∷ WriteModes ioMode ⇒ Handle ioMode → ByteString → IO ()
hPutStrLn = wrap2 B.hPutStrLn


-- The End ---------------------------------------------------------------------