kgsueme/doc/doc2haskell.xsl

r!DOCTYPE xsl:stylesheet>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:output method="text" media-type="text/plain" encoding="utf-8"/>

<xsl:template match="/"><![CDATA[
-- This is an automatically generated file. 
-- This is an automatically generated file. 
-- This is an automatically generated file. 
-- This is an automatically generated file. 
-- This is an automatically generated file. 

-- See doc/protocol.xml and doc/doc2haskell.xsl

-- primitive enc/decoders

module KGSProtocoll where
import Numeric
import Data.Word
import Control.Monad.State

data DecState = DecState { data :: [Word8] }

-- type DecS a = State DecState a
type DecS a = StateT DecState IO a -- for dec_HEX


hasData :: DecS Bool
hasData = do
           xs <- get
           return $ not $ null xs

getU8 :: Word8
getU8 =
  do (x:xs) <- get
     put xs 
     return x

getU16 :: DecS Word16
getU16 =
 do a <- getU8
    b <- getU8
    return $ (fromIntegral a :: Word16) + (fromIntegral b :: Word16) * 256


dec_U8 :: DecS Word8
dec_U8 = getU8

dec_U16 :: DecS Word16
dec_U16 = getU16

dec_U64 :: DecS Word64
dec_U64 =
  do a1 <- getU16
     a2 <- getU16
     a3 <- getU16
     a4 <- getU16
     return $   (fI a4) `shiftL` 48
              + (fI a3) `shiftL` 32
              + (fI a2) `shiftL` 16
              + (fI a1)
     where fI a = fromIntegral a :: Word64


dec_I8 :: DecS Int8
dec_I8 =
  do w8 <- getU8
     return $ fromIntegral w8 :: Int8

dec_I16 :: DecS Int16
dec_I16 =
  do w16 <- getU16
     return $ fromIntegral w16 :: Int16

dec_I32 :: DecS Int32
dec_I32 =
  do w16_1 <- getU16
     w16_2 <- getU16
     return $   (fI w16_2) `shiftL` 16
              + (fI w16_1)
     where fI a = fromIntegral a :: Int32

dec_DATA :: DecS [Word8]
dec_DATA =
  do da <- get
     put []
     return da

dec_STRING :: DecS [Word16]
dec_STRING =
  do c <- getU16
     if c == 0 then do return []
     else return (c:dec_STRING)

{-  do da <- get
     let (str,rest) = mkstr da
     where 
       mkstr str [] =
         (reverse str,[])
       mkstr str (0:rest) =
         (reverse str, rest)
       mkstr str (c:rest) =
         mkstr ((toEnum (fromIntegral c :: Int)):str) rest -}

{-
sub dec_STRING {
   $data =~ s/^((?:..)*?)(?:\x00\x00|\Z)//s;
   # use Encode...
   join "", map chr, unpack "v*", $1; -- marc ???
} 
-}

dec_CONSTANT :: DecS a
dec_CONSTANT x = x

type Password = Word64

dec_password :: DecS Password
dec_password = dec_U64

dec_HEX :: DecS ()
dec_HEX =
  do da <- get
     putStr "HEX: "
     putStrLn $ (dec_data da) ""
     where dec_data (x:xs) = 
             ((drop 2) . showHex x . (':':)) . (dec_data xs)
           dec_data []     = (\_ -> "")

#############################################################################

putU8 :: Word8 -> DecS ()
putU8 a = 
  do x <- get
     put (a:x)
     return ()

putU16 :: Word16 -> DecS ()
putU16 a =
  do x <- get
     let b1 = fromIntegral (a `shiftR` 8) :: Word8
         b2 = fromIntegral a :: Word8
     put (b1:b2:x)

enc_U8 :: Word8 -> DecS ()
enc_U8 =
  putU8 

enc_U16 :: Word16 -> DecS ()
enc_U16 =
  putU16

enc_U32 :: Word32 -> DecS ()
enc_U32 a =
  let b1 = fromIntegral (a `shiftR` 16) :: Word16
      b2 = fromIntegral a :: Word16
   putU16 b2
   putU16 b1

enc_U64 :: Word64 -> DecS ()
enc_U64 a =
  let b1 = fromIntegral (a `shiftR` 48) :: Word16
      b2 = fromIntegral (a `shiftR` 32) :: Word16
      b3 = fromIntegral (a `shiftR` 16) :: Word16
      b4 = fromIntegral a :: Word16
   putU16 b4
   putU16 b3
   putU16 b2
   putU16 b1

enc_I8 :: Int8 -> DecS ()
enc_I8 a =
  putU8 (fromIntegral a :: Word8)

enc_I16 :: Int16 -> DecS ()
enc_I16 a =
  let b1 = fromIntegral (a `shiftR` 8) :: Word8
      b2 = fromIntegral a :: Word8
  putU8 b2
  putU8 b1
 
enc_I32 :: Int32 -> DecS ()
enc_I32 a =
  let 
      b1 = fromIntegral (a `shiftR` 16) :: Word16
      b2 = fromIntegral a :: Word16
  putU16 b2
  putU16 b1

enc_DATA :: [Word8] -> DecS ()
enc_DATA d =
  do x <- get 
     put $ (reverse d) ++ x

enc_STRING :: [Word16] -> DecS ()
enc_STRING (s:ss) =
  do putU16 s
     enc_STRING ss

{-  do let mstr = reverse s
         putall (u:ls) =
           do putU8 u
              putall ls
         putall [] = return ()
      putall mstr
      putU8 0 -}

enc_CONSTANT :: a -> DecS ()
enc_CONSTANT _ = return ()

enc_password :: Password -> DecS ()
enc_password (p:ps) =
 (1055 * (enc_password ps)) + (fromEnum p)

{- marc???
sub enc_password {
   require Math::BigInt; # I insist on 32-bit-perl.. should use C
   # $hash must be 64 bit
   my $hash = new Math::BigInt;
   $hash = $hash * 1055 + ord for split //, $_[0];
   enc_U64 $hash;
}
-}

]]>

#############################################################################
# types
<xsl:apply-templates select="descendant::type"/>

#############################################################################
# structures
<xsl:apply-templates select="descendant::struct"/>

#############################################################################
# "less" primitive types<![CDATA[

dec_TREE
enc_TREE

]]>

#############################################################################
# messages
<xsl:apply-templates select="descendant::message"/>
}

1;
</xsl:template>

<xsl:template match="type[@type = 'S']">
-- decode UCS-2 string of length <xsl:value-of select="@length"/>
-- the first 0 terminates the string, but not the field
dec_<xsl:value-of select="@name"/> :: DecS String
dec_<xsl:value-of select="@name"/> = 
  do getS <xsl:value-of select="@length"/>
  where 
--    getS ls 0 = reverse ls
    getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls)
    getS ls n = getU8 >>=\c getS (c:[]) (n-1)

-- likewise, encode as UCS-2, fill space with 0
enc_<xsl:value-of select="@name"/> :: String -> DecS ()
enc_<xsl:value-of select="@name"/> str = 
  do let rlen = (length str) - <xsl:value-of select="@length"/>
     putS str
     putN rlen
  where
    putN 0      = return ()
    putN n      = putU8 0 n-1
    putS []     = return ()
    putS (c:cs) = do putU8 c
                     putS cs
</xsl:template>

<xsl:template match="type[@type = 'A']">
-- decode ASCII string of length <xsl:value-of select="@length"/>
-- the first 0 terminates the string, but not the field
dec_<xsl:value-of select="@name"/> :: DecS String
dec_<xsl:value-of select="@name"/> = 
  do getS <xsl:value-of select="@length"/>
  where 
    getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls)
--    getS (0:ls) n = getS (0:ls) (n-1)
    getS ls n = getU8 >>=\c getS (c:[]) (n-1)

-- likewise, encode as ASCII, fill space with 0
enc_<xsl:value-of select="@name"/> :: String -> DecS ()
enc_<xsl:value-of select="@name"/> str = 
  do let rlen = (length str) - <xsl:value-of select="@length"/>
     putS str
     putN rlen
  where
    putN 0      = return ()
    putN n      = putU8 0 n-1
    putS []     = return ()
    putS (c:cs) = do putU8 c
                     putS cs
</xsl:template>

<xsl:template match="type[@multiplier]">
dec_<xsl:value-of select="@name"/> = do
   n &lt;- dec<xsl:value-of select="@type"/>
   return $ n * (1 / <xsl:value-of select="@multiplier"/>)

enc_<xsl:value-of select="@name"/> n =
   enc<xsl:value-of select="@type"/> $ n * <xsl:value-of select="@multiplier"/>
</xsl:template>

<xsl:template match="member[@array = 'yes']" mode="dec">
   $r->{<xsl:value-of select="@name"/>} = (my $array = []);
   while (length $data) {
      push @$array, dec_<xsl:value-of select="@type"/>
                        <xsl:text> </xsl:text>
                        <xsl:value-of select="@default"/>;
   }
</xsl:template>

<xsl:template match="member" mode="dec">
   <xsl:if test="@guard-cond">
      -- decode next only when <xsl:value-of select="@guard-member"/> <xsl:value-of select="@guard-cond"/> --
   </xsl:if>
   <xsl:text>   </xsl:text><xsl:value-of select="@name"/> &lt;- dec<xsl:value-of select="@type"/> -- default <xsl:value-of select="@default"/> --
</xsl:template>

<xsl:template match="member" mode="enc">
   enc<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/> s
   <xsl:text>} : (</xsl:text>
   <xsl:value-of select="@default"/>
   <xsl:text>);</xsl:text>
</xsl:template>

<xsl:template match="struct">
dec_<xsl:value-of select="@name"/> = do
   <xsl:apply-templates select="member" mode="dec"/>
   <xsl:if test="@class">
   -- result has class <xsl:value-of select="@class"/> --
   </xsl:if>

enc_<xsl:value-of select="@name"/> s =
   <xsl:apply-templates select="member" mode="enc"/>

</xsl:template>

<xsl:template match="message">
-- <xsl:value-of select="@name"/>
dec_<xsl:value-of select="@src"/>_<xsl:value-of select="@type"/> = do
   -- type "<xsl:value-of select="@name"/>" --
   <xsl:apply-templates select="member" mode="dec"/>

enc_<xsl:value-of select="@src"/>_<xsl:value-of select="@name"/> =
   encU16 0x<xsl:value-of select="@type"/>
   <xsl:apply-templates select="member" mode="enc"/>

</xsl:template>

<xsl:template match="text()">
</xsl:template>

</xsl:stylesheet>

Revision:	1.12
Committed:	Sun Jul 27 16:23:08 2003 UTC (20 years, 10 months ago) by elmex
Content type:	application/xml
Branch:	MAIN
Changes since 1.11:	+17 -10 lines
Log Message:	Minor fixes in some things... lets talk about it later.
#	Content
1	r!DOCTYPE xsl:stylesheet>
2	<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
3
4	<xsl:output method="text" media-type="text/plain" encoding="utf-8"/>
5
6	<xsl:template match="/"><![CDATA[
7	-- This is an automatically generated file.
8	-- This is an automatically generated file.
9	-- This is an automatically generated file.
10	-- This is an automatically generated file.
11	-- This is an automatically generated file.
12
13	-- See doc/protocol.xml and doc/doc2haskell.xsl
14
15	-- primitive enc/decoders
16
17	module KGSProtocoll where
18	import Numeric
19	import Data.Word
20	import Control.Monad.State
21
22	data DecState = DecState { data :: [Word8] }
23
24	-- type DecS a = State DecState a
25	type DecS a = StateT DecState IO a -- for dec_HEX
26
27
28	hasData :: DecS Bool
29	hasData = do
30	xs <- get
31	return $ not $ null xs
32
33	getU8 :: Word8
34	getU8 =
35	do (x:xs) <- get
36	put xs
37	return x
38
39	getU16 :: DecS Word16
40	getU16 =
41	do a <- getU8
42	b <- getU8
43	return $ (fromIntegral a :: Word16) + (fromIntegral b :: Word16) * 256
44
45
46	dec_U8 :: DecS Word8
47	dec_U8 = getU8
48
49	dec_U16 :: DecS Word16
50	dec_U16 = getU16
51
52	dec_U64 :: DecS Word64
53	dec_U64 =
54	do a1 <- getU16
55	a2 <- getU16
56	a3 <- getU16
57	a4 <- getU16
58	return $ (fI a4) `shiftL` 48
59	+ (fI a3) `shiftL` 32
60	+ (fI a2) `shiftL` 16
61	+ (fI a1)
62	where fI a = fromIntegral a :: Word64
63
64
65	dec_I8 :: DecS Int8
66	dec_I8 =
67	do w8 <- getU8
68	return $ fromIntegral w8 :: Int8
69
70	dec_I16 :: DecS Int16
71	dec_I16 =
72	do w16 <- getU16
73	return $ fromIntegral w16 :: Int16
74
75	dec_I32 :: DecS Int32
76	dec_I32 =
77	do w16_1 <- getU16
78	w16_2 <- getU16
79	return $ (fI w16_2) `shiftL` 16
80	+ (fI w16_1)
81	where fI a = fromIntegral a :: Int32
82
83	dec_DATA :: DecS [Word8]
84	dec_DATA =
85	do da <- get
86	put []
87	return da
88
89	dec_STRING :: DecS [Word16]
90	dec_STRING =
91	do c <- getU16
92	if c == 0 then do return []
93	else return (c:dec_STRING)
94
95	{- do da <- get
96	let (str,rest) = mkstr da
97	where
98	mkstr str [] =
99	(reverse str,[])
100	mkstr str (0:rest) =
101	(reverse str, rest)
102	mkstr str (c:rest) =
103	mkstr ((toEnum (fromIntegral c :: Int)):str) rest -}
104
105	{-
106	sub dec_STRING {
107	$data =~ s/^((?:..)*?)(?:\x00\x00\|\Z)//s;
108	# use Encode...
109	join "", map chr, unpack "v*", $1; -- marc ???
110	}
111	-}
112
113	dec_CONSTANT :: DecS a
114	dec_CONSTANT x = x
115
116	type Password = Word64
117
118	dec_password :: DecS Password
119	dec_password = dec_U64
120
121	dec_HEX :: DecS ()
122	dec_HEX =
123	do da <- get
124	putStr "HEX: "
125	putStrLn $ (dec_data da) ""
126	where dec_data (x:xs) =
127	((drop 2) . showHex x . (':':)) . (dec_data xs)
128	dec_data [] = (\_ -> "")
129
130	#############################################################################
131
132	putU8 :: Word8 -> DecS ()
133	putU8 a =
134	do x <- get
135	put (a:x)
136	return ()
137
138	putU16 :: Word16 -> DecS ()
139	putU16 a =
140	do x <- get
141	let b1 = fromIntegral (a `shiftR` 8) :: Word8
142	b2 = fromIntegral a :: Word8
143	put (b1:b2:x)
144
145	enc_U8 :: Word8 -> DecS ()
146	enc_U8 =
147	putU8
148
149	enc_U16 :: Word16 -> DecS ()
150	enc_U16 =
151	putU16
152
153	enc_U32 :: Word32 -> DecS ()
154	enc_U32 a =
155	let b1 = fromIntegral (a `shiftR` 16) :: Word16
156	b2 = fromIntegral a :: Word16
157	putU16 b2
158	putU16 b1
159
160	enc_U64 :: Word64 -> DecS ()
161	enc_U64 a =
162	let b1 = fromIntegral (a `shiftR` 48) :: Word16
163	b2 = fromIntegral (a `shiftR` 32) :: Word16
164	b3 = fromIntegral (a `shiftR` 16) :: Word16
165	b4 = fromIntegral a :: Word16
166	putU16 b4
167	putU16 b3
168	putU16 b2
169	putU16 b1
170
171	enc_I8 :: Int8 -> DecS ()
172	enc_I8 a =
173	putU8 (fromIntegral a :: Word8)
174
175	enc_I16 :: Int16 -> DecS ()
176	enc_I16 a =
177	let b1 = fromIntegral (a `shiftR` 8) :: Word8
178	b2 = fromIntegral a :: Word8
179	putU8 b2
180	putU8 b1
181
182	enc_I32 :: Int32 -> DecS ()
183	enc_I32 a =
184	let
185	b1 = fromIntegral (a `shiftR` 16) :: Word16
186	b2 = fromIntegral a :: Word16
187	putU16 b2
188	putU16 b1
189
190	enc_DATA :: [Word8] -> DecS ()
191	enc_DATA d =
192	do x <- get
193	put $ (reverse d) ++ x
194
195	enc_STRING :: [Word16] -> DecS ()
196	enc_STRING (s:ss) =
197	do putU16 s
198	enc_STRING ss
199
200	{- do let mstr = reverse s
201	putall (u:ls) =
202	do putU8 u
203	putall ls
204	putall [] = return ()
205	putall mstr
206	putU8 0 -}
207
208	enc_CONSTANT :: a -> DecS ()
209	enc_CONSTANT _ = return ()
210
211	enc_password :: Password -> DecS ()
212	enc_password (p:ps) =
213	(1055 * (enc_password ps)) + (fromEnum p)
214
215	{- marc???
216	sub enc_password {
217	require Math::BigInt; # I insist on 32-bit-perl.. should use C
218	# $hash must be 64 bit
219	my $hash = new Math::BigInt;
220	$hash = $hash * 1055 + ord for split //, $_[0];
221	enc_U64 $hash;
222	}
223	-}
224
225	]]>
226
227	#############################################################################
228	# types
229	<xsl:apply-templates select="descendant::type"/>
230
231	#############################################################################
232	# structures
233	<xsl:apply-templates select="descendant::struct"/>
234
235	#############################################################################
236	# "less" primitive types<![CDATA[
237
238	dec_TREE
239	enc_TREE
240
241	]]>
242
243	#############################################################################
244	# messages
245	<xsl:apply-templates select="descendant::message"/>
246	}
247
248	1;
249	</xsl:template>
250
251	<xsl:template match="type[@type = 'S']">
252	-- decode UCS-2 string of length <xsl:value-of select="@length"/>
253	-- the first 0 terminates the string, but not the field
254	dec_<xsl:value-of select="@name"/> :: DecS String
255	dec_<xsl:value-of select="@name"/> =
256	do getS <xsl:value-of select="@length"/>
257	where
258	-- getS ls 0 = reverse ls
259	getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls)
260	getS ls n = getU8 >>=\c getS (c:[]) (n-1)
261
262	-- likewise, encode as UCS-2, fill space with 0
263	enc_<xsl:value-of select="@name"/> :: String -> DecS ()
264	enc_<xsl:value-of select="@name"/> str =
265	do let rlen = (length str) - <xsl:value-of select="@length"/>
266	putS str
267	putN rlen
268	where
269	putN 0 = return ()
270	putN n = putU8 0 n-1
271	putS [] = return ()
272	putS (c:cs) = do putU8 c
273	putS cs
274	</xsl:template>
275
276	<xsl:template match="type[@type = 'A']">
277	-- decode ASCII string of length <xsl:value-of select="@length"/>
278	-- the first 0 terminates the string, but not the field
279	dec_<xsl:value-of select="@name"/> :: DecS String
280	dec_<xsl:value-of select="@name"/> =
281	do getS <xsl:value-of select="@length"/>
282	where
283	getS ls 0 = reverse (map (\c -> toEnum (fromIntegral c :: Int)) ls)
284	-- getS (0:ls) n = getS (0:ls) (n-1)
285	getS ls n = getU8 >>=\c getS (c:[]) (n-1)
286
287	-- likewise, encode as ASCII, fill space with 0
288	enc_<xsl:value-of select="@name"/> :: String -> DecS ()
289	enc_<xsl:value-of select="@name"/> str =
290	do let rlen = (length str) - <xsl:value-of select="@length"/>
291	putS str
292	putN rlen
293	where
294	putN 0 = return ()
295	putN n = putU8 0 n-1
296	putS [] = return ()
297	putS (c:cs) = do putU8 c
298	putS cs
299	</xsl:template>
300
301	<xsl:template match="type[@multiplier]">
302	dec_<xsl:value-of select="@name"/> = do
303	n <- dec<xsl:value-of select="@type"/>
304	return $ n * (1 / <xsl:value-of select="@multiplier"/>)
305
306	enc_<xsl:value-of select="@name"/> n =
307	enc<xsl:value-of select="@type"/> $ n * <xsl:value-of select="@multiplier"/>
308	</xsl:template>
309
310	<xsl:template match="member[@array = 'yes']" mode="dec">
311	$r->{<xsl:value-of select="@name"/>} = (my $array = []);
312	while (length $data) {
313	push @$array, dec_<xsl:value-of select="@type"/>
314	<xsl:text> </xsl:text>
315	<xsl:value-of select="@default"/>;
316	}
317	</xsl:template>
318
319	<xsl:template match="member" mode="dec">
320	<xsl:if test="@guard-cond">
321	-- decode next only when <xsl:value-of select="@guard-member"/> <xsl:value-of select="@guard-cond"/> --
322	</xsl:if>
323	<xsl:text> </xsl:text><xsl:value-of select="@name"/> <- dec<xsl:value-of select="@type"/> -- default <xsl:value-of select="@default"/> --
324	</xsl:template>
325
326	<xsl:template match="member" mode="enc">
327	enc<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/> s
328	<xsl:text>} : (</xsl:text>
329	<xsl:value-of select="@default"/>
330	<xsl:text>);</xsl:text>
331	</xsl:template>
332
333	<xsl:template match="struct">
334	dec_<xsl:value-of select="@name"/> = do
335	<xsl:apply-templates select="member" mode="dec"/>
336	<xsl:if test="@class">
337	-- result has class <xsl:value-of select="@class"/> --
338	</xsl:if>
339
340	enc_<xsl:value-of select="@name"/> s =
341	<xsl:apply-templates select="member" mode="enc"/>
342
343	</xsl:template>
344
345	<xsl:template match="message">
346	-- <xsl:value-of select="@name"/>
347	dec_<xsl:value-of select="@src"/>_<xsl:value-of select="@type"/> = do
348	-- type "<xsl:value-of select="@name"/>" --
349	<xsl:apply-templates select="member" mode="dec"/>
350
351	enc_<xsl:value-of select="@src"/>_<xsl:value-of select="@name"/> =
352	encU16 0x<xsl:value-of select="@type"/>
353	<xsl:apply-templates select="member" mode="enc"/>
354
355	</xsl:template>
356
357	<xsl:template match="text()">
358	</xsl:template>
359
360	</xsl:stylesheet>
361