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pcg |
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<!DOCTYPE xsl:stylesheet> |
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> |
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<xsl:output method="text" media-type="text/plain" encoding="utf-8"/> |
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<xsl:template match="/"><![CDATA[ |
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-- This is an automatically generated file. |
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-- This is an automatically generated file. |
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-- This is an automatically generated file. |
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-- This is an automatically generated file. |
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-- This is an automatically generated file. |
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-- See doc/protocol.xml and doc/doc2haskell.xsl |
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-- primitive enc/decoders |
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elmex |
1.9 |
module KGSProtocoll where |
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import Numeric |
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pcg |
1.2 |
import Data.Word |
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import Control.Monad.State |
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pcg |
1.1 |
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elmex |
1.9 |
data DecState = DecState { data :: [Word8] } |
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-- type DecS a = State DecState a |
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type DecS a = StateT DecState IO a -- for dec_HEX |
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hasData :: DecS Bool |
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pcg |
1.4 |
hasData = do |
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xs <- get |
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return $ not $ null xs |
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elmex |
1.9 |
getU8 :: Word8 |
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getU8 = |
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do (x:xs) <- get |
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put xs |
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return x |
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getU16 :: DecS Word16 |
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getU16 = |
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do a <- getU8 |
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b <- getU8 |
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return $ (fromIntegral a :: Word16) + (fromIntegral b :: Word16) * 256 |
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dec_U8 :: DecS Word8 |
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dec_U8 = getU8 |
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dec_U16 :: DecS Word16 |
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dec_U16 = getU16 |
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dec_U64 :: DecS Word64 |
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dec_U64 = |
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do a1 <- getU16 |
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a2 <- getU16 |
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a3 <- getU16 |
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a4 <- getU16 |
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pcg |
1.11 |
return $ (fI a4) `shiftL` 48 |
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+ (fI a3) `shiftL` 32 |
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+ (fI a2) `shiftL` 16 |
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+ (fI a1) |
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elmex |
1.9 |
where fI a = fromIntegral a :: Word64 |
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dec_I8 :: DecS Int8 |
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dec_I8 = |
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do w8 <- getU8 |
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return $ fromIntegral w8 :: Int8 |
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dec_I16 :: DecS Int16 |
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dec_I16 = |
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do w16 <- getU16 |
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return $ fromIntegral w16 :: Int16 |
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dec_I32 :: DecS Int32 |
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dec_I32 = |
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do w16_1 <- getU16 |
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w16_2 <- getU16 |
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pcg |
1.11 |
return $ (fI w16_2) `shiftL` 16 |
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+ (fI w16_1) |
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elmex |
1.9 |
where fI a = fromIntegral a :: Int32 |
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dec_DATA :: DecS [Word8] |
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dec_DATA = |
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do da <- get |
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put [] |
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return da |
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dec_STRING :: DecS String |
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dec_STRING = |
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do da <- get |
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let (str,rest) = mkstr da |
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where |
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mkstr str [] = |
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(reverse str,[]) |
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mkstr str (0:rest) = |
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(reverse str, rest) |
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mkstr str (c:rest) = |
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pcg |
1.11 |
mkstr ((toEnum (fromIntegral c :: Int)):str) rest |
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pcg |
1.1 |
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elmex |
1.9 |
{- |
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pcg |
1.1 |
sub dec_STRING { |
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$data =~ s/^((?:..)*?)(?:\x00\x00|\Z)//s; |
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# use Encode... |
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elmex |
1.9 |
join "", map chr, unpack "v*", $1; -- marc ??? |
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} |
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-} |
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dec_CONSTANT :: DecS a |
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dec_CONSTANT x = x |
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type Password = Word64 |
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dec_password :: DecS Password |
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dec_password = dec_U64 |
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dec_HEX :: DecS () |
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dec_HEX = |
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do da <- get |
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putStr "HEX: " |
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putStrLn $ (dec_data da) "" |
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where dec_data (x:xs) = |
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((drop 2) . showHex x . (':':)) . (dec_data xs) |
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dec_data [] = (\_ -> "") |
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pcg |
1.1 |
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############################################################################# |
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elmex |
1.9 |
putU8 :: Word8 -> DecS () |
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putU8 a = |
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do x <- get |
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put (a:x) |
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return () |
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putU16 :: Word16 -> DecS () |
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putU16 a = |
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do x <- get |
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let b1 = fromIntegral (a `shiftR` 8) :: Word8 |
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b2 = fromIntegral a :: Word8 |
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pcg |
1.11 |
put (b1:b2:x) |
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elmex |
1.9 |
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enc_U8 :: Word8 -> DecS () |
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enc_U8 = |
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putU8 |
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enc_U16 :: Word16 -> DecS () |
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enc_U16 = |
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putU16 |
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enc_U32 :: Word32 -> DecS () |
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enc_U32 a = |
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let b1 = fromIntegral (a `shiftR` 16) :: Word16 |
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b2 = fromIntegral a :: Word16 |
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putU16 b2 |
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pcg |
1.11 |
putU16 b1 |
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elmex |
1.9 |
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enc_U64 :: Word64 -> DecS () |
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enc_U64 a = |
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let b1 = fromIntegral (a `shiftR` 48) :: Word16 |
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b2 = fromIntegral (a `shiftR` 32) :: Word16 |
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b3 = fromIntegral (a `shiftR` 16) :: Word16 |
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b4 = fromIntegral a :: Word16 |
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pcg |
1.11 |
putU16 b4 |
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putU16 b3 |
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elmex |
1.9 |
putU16 b2 |
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pcg |
1.11 |
putU16 b1 |
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elmex |
1.9 |
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enc_I8 :: Int8 -> DecS () |
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enc_I8 a = |
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putU8 (fromIntegral a :: Word8) |
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enc_I16 :: Int16 -> DecS () |
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enc_I16 a = |
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let b1 = fromIntegral (a `shiftR` 8) :: Word8 |
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b2 = fromIntegral a :: Word8 |
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pcg |
1.11 |
putU8 b2 |
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elmex |
1.9 |
putU8 b1 |
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enc_I32 :: Int32 -> DecS () |
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enc_I32 a = |
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let |
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b1 = fromIntegral (a `shiftR` 16) :: Word16 |
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b2 = fromIntegral a :: Word16 |
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pcg |
1.11 |
putU16 b2 |
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elmex |
1.9 |
putU16 b1 |
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enc_DATA :: [Word8] -> DecS () |
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enc_DATA d = |
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do x <- get |
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put $ (reverse d) ++ x |
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enc_STRING :: String -> DecS () |
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enc_STRING s = |
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do let mstr = reverse s |
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putall (u:ls) = |
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do putU8 u |
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putall ls |
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putall [] = return () |
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putall mstr |
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putU8 0 |
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enc_CONSTANT :: a -> DecS () |
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enc_CONSTANT _ = return () |
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enc_password :: Password -> DecS () |
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enc_password p = |
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enc_U64 p |
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pcg |
1.1 |
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elmex |
1.9 |
{- marc??? |
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pcg |
1.1 |
sub enc_password { |
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require Math::BigInt; # I insist on 32-bit-perl.. should use C |
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# $hash must be 64 bit |
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my $hash = new Math::BigInt; |
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$hash = $hash * 1055 + ord for split //, $_[0]; |
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enc_U64 $hash; |
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} |
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elmex |
1.9 |
-} |
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pcg |
1.1 |
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]]> |
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############################################################################# |
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# types |
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<xsl:apply-templates select="descendant::type"/> |
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############################################################################# |
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# structures |
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<xsl:apply-templates select="descendant::struct"/> |
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############################################################################# |
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# "less" primitive types<![CDATA[ |
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pcg |
1.6 |
dec_TREE |
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enc_TREE |
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pcg |
1.3 |
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pcg |
1.1 |
]]> |
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############################################################################# |
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# messages |
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<xsl:apply-templates select="descendant::message"/> |
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} |
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1; |
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</xsl:template> |
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<xsl:template match="type[@type = 'S']"> |
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elmex |
1.10 |
-- decode UCS-2 string of length <xsl:value-of select="@length"/> |
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-- the first 0 terminates the string, but not the field |
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dec_<xsl:value-of select="@name"/> :: DecS String |
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dec_<xsl:value-of select="@name"/> = |
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do getS <xsl:value-of select="@length"/> |
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where |
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-- getS ls 0 = reverse ls |
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getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls) |
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getS ls n = getU8 >>=\c getS (c:[]) (n-1) |
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-- likewise, encode as UCS-2, fill space with 0 |
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enc_<xsl:value-of select="@name"/> :: String -> DecS () |
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enc_<xsl:value-of select="@name"/> str = |
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do let rlen = (length str) - <xsl:value-of select="@length"/> |
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putS str |
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putN rlen |
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where |
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putN 0 = return () |
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putN n = putU8 0 n-1 |
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putS [] = return () |
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putS (c:cs) = do putU8 c |
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putS cs |
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="type[@type = 'A']"> |
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elmex |
1.10 |
-- decode ASCII string of length <xsl:value-of select="@length"/> |
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-- the first 0 terminates the string, but not the field |
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dec_<xsl:value-of select="@name"/> :: DecS String |
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dec_<xsl:value-of select="@name"/> = |
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do getS <xsl:value-of select="@length"/> |
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where |
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getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls) |
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-- getS (0:ls) n = getS (0:ls) (n-1) |
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getS ls n = getU8 >>=\c getS (c:[]) (n-1) |
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-- likewise, encode as ASCII, fill space with 0 |
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enc_<xsl:value-of select="@name"/> :: String -> DecS () |
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enc_<xsl:value-of select="@name"/> str = |
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do let rlen = (length str) - <xsl:value-of select="@length"/> |
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putS str |
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putN rlen |
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where |
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putN 0 = return () |
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putN n = putU8 0 n-1 |
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putS [] = return () |
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putS (c:cs) = do putU8 c |
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putS cs |
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="type[@multiplier]"> |
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pcg |
1.6 |
dec_<xsl:value-of select="@name"/> = do |
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pcg |
1.3 |
n <- dec<xsl:value-of select="@type"/> |
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elmex |
1.10 |
return $ n * (1 / <xsl:value-of select="@multiplier"/>) |
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pcg |
1.1 |
|
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pcg |
1.6 |
enc_<xsl:value-of select="@name"/> n = |
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pcg |
1.5 |
enc<xsl:value-of select="@type"/> $ n * <xsl:value-of select="@multiplier"/> |
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="member[@array = 'yes']" mode="dec"> |
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$r->{<xsl:value-of select="@name"/>} = (my $array = []); |
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while (length $data) { |
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push @$array, dec_<xsl:value-of select="@type"/> |
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<xsl:text> </xsl:text> |
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<xsl:value-of select="@default"/>; |
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} |
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</xsl:template> |
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<xsl:template match="member" mode="dec"> |
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<xsl:if test="@guard-cond"> |
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pcg |
1.5 |
-- decode next only when <xsl:value-of select="@guard-member"/> <xsl:value-of select="@guard-cond"/> -- |
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</xsl:if> |
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pcg |
1.7 |
<xsl:text> </xsl:text><xsl:value-of select="@name"/> <- dec<xsl:value-of select="@type"/> -- default <xsl:value-of select="@default"/> -- |
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="member" mode="enc"> |
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pcg |
1.5 |
enc<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/> s |
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pcg |
1.1 |
<xsl:text>} : (</xsl:text> |
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<xsl:value-of select="@default"/> |
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<xsl:text>);</xsl:text> |
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</xsl:template> |
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<xsl:template match="struct"> |
327 |
pcg |
1.6 |
dec_<xsl:value-of select="@name"/> = do |
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pcg |
1.1 |
<xsl:apply-templates select="member" mode="dec"/> |
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<xsl:if test="@class"> |
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pcg |
1.5 |
-- result has class <xsl:value-of select="@class"/> -- |
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pcg |
1.1 |
</xsl:if> |
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pcg |
1.6 |
enc_<xsl:value-of select="@name"/> s = |
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pcg |
1.1 |
<xsl:apply-templates select="member" mode="enc"/> |
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pcg |
1.5 |
|
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="message"> |
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pcg |
1.6 |
-- <xsl:value-of select="@name"/> |
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dec_<xsl:value-of select="@src"/>_<xsl:value-of select="@type"/> = do |
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pcg |
1.5 |
-- type "<xsl:value-of select="@name"/>" -- |
342 |
pcg |
1.1 |
<xsl:apply-templates select="member" mode="dec"/> |
343 |
pcg |
1.5 |
|
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pcg |
1.6 |
enc_<xsl:value-of select="@src"/>_<xsl:value-of select="@name"/> = |
345 |
pcg |
1.5 |
encU16 0x<xsl:value-of select="@type"/> |
346 |
pcg |
1.1 |
<xsl:apply-templates select="member" mode="enc"/> |
347 |
pcg |
1.5 |
|
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pcg |
1.1 |
</xsl:template> |
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<xsl:template match="text()"> |
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</xsl:template> |
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</xsl:stylesheet> |
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