encoding/Data/Encoding/ISO885916.hs
Henning Guenther 496761301f Initial commit
darcs-hash:20070802003505-a4fee-97432a586ed2453061ef246d1e7a81fec35d1bac
2007-08-01 17:35:05 -07:00

33 lines
768 B
Haskell

module Data.Encoding.ISO885916
(ISO885916(..)) where
import Data.Array ((!),Array)
import Data.Word (Word8)
import Data.Map (Map,lookup,member)
import Data.Encoding.Base
import Prelude hiding (lookup)
import Control.Exception (throwDyn)
data ISO885916 = ISO885916
enc :: Char -> Word8
enc c = case lookup c encodeMap of
Just v -> v
Nothing -> throwDyn (HasNoRepresentation c)
instance Encoding ISO885916 where
encode _ = encodeSinglebyte enc
encodeLazy _ = encodeSinglebyteLazy enc
encodable _ c = member c encodeMap
decode _ = decodeSinglebyte (decodeArr!)
decodeArr :: Array Word8 Char
#ifndef __HADDOCK__
decodeArr = $(decodingArray "8859-16.TXT")
#endif
encodeMap :: Map Char Word8
#ifndef __HADDOCK__
encodeMap = $(encodingMap "8859-16.TXT")
#endif