39 lines
1022 B
Haskell
39 lines
1022 B
Haskell
{-# LANGUAGE CPP,TemplateHaskell,DeriveDataTypeable #-}
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{- | Implements ISO\/IEC 8859-2 alias latin-2 encoding. See
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<http://en.wikipedia.org/wiki/ISO/IEC_8859-2> for further informations.
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-}
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module Data.Encoding.ISO88592
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(ISO88592(..)) where
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import Data.Array
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import Data.Map hiding ((!))
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import Data.Word
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import Data.Encoding.Base
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import Data.ByteString hiding (length,map)
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import Prelude hiding (lookup,all)
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import Control.Exception
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import Data.Typeable
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data ISO88592 = ISO88592 deriving (Eq,Show,Typeable)
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enc :: Char -> Word8
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enc c = case lookup c encodeMap of
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Just v -> v
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Nothing -> throwDyn (HasNoRepresentation c)
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instance Encoding ISO88592 where
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encode _ = encodeSinglebyte enc
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encodeLazy _ = encodeSinglebyteLazy enc
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encodable _ c = member c encodeMap
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decode _ = decodeSinglebyte (\w -> decodeArr!w)
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decodeArr :: Array Word8 Char
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#ifndef __HADDOCK__
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decodeArr = $(decodingArray "8859-2.TXT")
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#endif
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encodeMap :: Map Char Word8
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#ifndef __HADDOCK__
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encodeMap = $(encodingMap "8859-2.TXT")
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#endif
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