31 lines
801 B
Haskell
31 lines
801 B
Haskell
{-# LANGUAGE CPP,TemplateHaskell,DeriveDataTypeable #-}
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module Data.Encoding.ISO88596
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(ISO88596(..)) where
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import Data.Array ((!),Array)
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import Data.Word (Word8)
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import Data.Map (Map,lookup,member)
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import Data.Encoding.Base
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import Prelude hiding (lookup)
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import Control.Exception (throwDyn)
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import Data.Typeable
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data ISO88596 = ISO88596 deriving (Eq,Show,Typeable)
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instance Encoding ISO88596 where
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encode _ = encodeSinglebyte (\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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encodable _ c = member c encodeMap
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decode _ = decodeSinglebyte (decodeArr!)
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decodeArr :: Array Word8 Char
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#ifndef __HADDOCK__
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decodeArr = $(decodingArray "8859-6.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 "8859-6.TXT")
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#endif
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