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|
--------------------------------------------------------------------
-- |
-- Module : Data.MessagePack
-- Copyright : (c) Hideyuki Tanaka, 2009
-- License : BSD3
--
-- Maintainer: tanaka.hideyuki@gmail.com
-- Stability : experimental
-- Portability: portable
--
-- Simple interface to pack and unpack MessagePack data.
--
--------------------------------------------------------------------
module Data.MessagePack(
module Data.MessagePack.Base,
module Data.MessagePack.Class,
module Data.MessagePack.Feed,
module Data.MessagePack.Monad,
module Data.MessagePack.Stream,
-- * Pack and Unpack
packb,
unpackb,
-- * Pure version of Pack and Unpack
packb',
unpackb',
) where
import Data.ByteString (ByteString)
import System.IO.Unsafe
import Data.MessagePack.Base
import Data.MessagePack.Class
import Data.MessagePack.Feed
import Data.MessagePack.Monad
import Data.MessagePack.Stream
-- | Pack Haskell data to MessagePack string.
packb :: OBJECT a => a -> IO ByteString
packb dat = do
sb <- newSimpleBuffer
pc <- newPacker sb
pack pc dat
simpleBufferData sb
-- | Unpack MessagePack string to Haskell data.
unpackb :: OBJECT a => ByteString -> IO (Result a)
unpackb bs = do
withZone $ \z -> do
r <- unpackObject z bs
return $ case r of
Left err -> Left (show err)
Right (_, dat) -> fromObject dat
-- | Pure version of 'packb'.
packb' :: OBJECT a => a -> ByteString
packb' dat = unsafePerformIO $ packb dat
-- | Pure version of 'unpackb'.
unpackb' :: OBJECT a => ByteString -> Result a
unpackb' bs = unsafePerformIO $ unpackb bs
|
