hex-0.1.2/0000755000000000000000000000000011644636373010501 5ustar0000000000000000hex-0.1.2/Setup.hs0000644000000000000000000000011011644636373012125 0ustar0000000000000000#!/usr/bin/env runhaskell import Distribution.Simple main = defaultMain hex-0.1.2/hex.cabal0000644000000000000000000000110711644636373012250 0ustar0000000000000000Name: hex Version: 0.1.2 Synopsis: Convert strings into hexadecimal and back. Description: Convert strings into hexadecimal and back. License: BSD3 License-file: COPYING Copyright: Taru Karttunen Author: Taru Karttunen Category: Data Maintainer: taruti@taruti.net Build-Depends: base >= 3 && < 5, bytestring Exposed-modules: Data.Hex Extensions: TypeSynonymInstances FlexibleInstances GHC-Options: -Wall Build-Type: Simple hex-0.1.2/COPYING0000644000000000000000000000270311644636373011536 0ustar0000000000000000Copyright (c) 2008, Taru Karttunen All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the Taru Karttunen; nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. hex-0.1.2/Data/0000755000000000000000000000000011644636373011352 5ustar0000000000000000hex-0.1.2/Data/Hex.hs0000644000000000000000000000355111644636373012436 0ustar0000000000000000{-# LANGUAGE TypeSynonymInstances #-} ----------------------------------------------------------------------------- -- | -- Module : Data.Hex -- Copyright : (c) Taru Karttunen 2009 -- License : BSD-style -- Maintainer : taruti@taruti.net -- Stability : provisional -- Portability : portable -- -- Convert strings into hexadecimal and back. -- ----------------------------------------------------------------------------- module Data.Hex(Hex(..)) where import Control.Monad import qualified Data.ByteString.Char8 as B import qualified Data.ByteString.Lazy.Char8 as L -- | Convert strings into hexadecimal and back. class Hex t where -- | Convert string into hexadecimal. hex :: t -> t -- | Convert from hexadecimal and fail on invalid input. unhex :: Monad m => t -> m t instance Hex String where hex = Prelude.concatMap w where w ch = let s = "0123456789ABCDEF" x = fromEnum ch in [s !! div x 16,s !! mod x 16] unhex [] = return [] unhex (a:b:r) = do x <- c a y <- c b liftM (toEnum ((x * 16) + y) :) $ unhex r unhex [_] = fail "Non-even length" c :: Monad m => Char -> m Int c '0' = return 0 c '1' = return 1 c '2' = return 2 c '3' = return 3 c '4' = return 4 c '5' = return 5 c '6' = return 6 c '7' = return 7 c '8' = return 8 c '9' = return 9 c 'A' = return 10 c 'B' = return 11 c 'C' = return 12 c 'D' = return 13 c 'E' = return 14 c 'F' = return 15 c 'a' = return 10 c 'b' = return 11 c 'c' = return 12 c 'd' = return 13 c 'e' = return 14 c 'f' = return 15 c _ = fail "Invalid hex digit!" instance Hex B.ByteString where hex = B.pack . hex . B.unpack unhex x = liftM B.pack $ unhex $ B.unpack x instance Hex L.ByteString where hex = L.pack . hex . L.unpack unhex x = liftM L.pack $ unhex $ L.unpack x