kgsueme/doc/doc2messages.xsl

<!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/doc2messages.xsl

package KGS::Messages;

use KGS::Constants; # REPLACE by parsed file, too

use strict;

our %type;

our %dec_client; # decode messages send to server
our %enc_client; # encode messages send to server
our %dec_server; # decode messages received from server
our %enc_server; # encode messages received from server

{

my $data; # stores currently processed decoding/encoding packet

# primitive enc/decoders

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

sub dec_U8 {
   (my ($r), $data) = unpack "C a*", $data; $r;
}

sub dec_U16 {
   (my ($r), $data) = unpack "v a*", $data; $r;
}

sub dec_U32 {
   (my ($r), $data) = unpack "V a*", $data; $r;
}

sub dec_U64 {
   my ($lo, $hi) = (dec_U32, dec_U32);
   $lo + $hi * 2**32;
}

sub dec_I8 {
   (my ($r), $data) = unpack "c a*", $data;
   $r;
}

sub dec_I16 {
   (my ($r), $data) = unpack "v a*", $data;
   unpack "s", pack "S", $r;
}

sub dec_I32 {
   (my ($r), $data) = unpack "V a*", $data;
   unpack "i", pack "I", $r;
}

sub dec_DATA {
   (my ($r), $data) = ($data, ""); $r;
}

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

sub dec_CONSTANT {
   $_[0];
}

sub dec_password {
   dec_U64;
}

sub dec_HEX { # for debugging
   "HEX: " . unpack "H*", $data;#d#
}

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

sub enc_U8 {
   $data .= pack "C", $_[0];
}

sub enc_U16 {
   $data .= pack "v", $_[0];
}

sub enc_U32 {
   $data .= pack "V", $_[0];
}

sub enc_U64 {
   enc_U32 $_[0] & 0xffffffff;
   enc_U32 +($_[0] >> 32) & 0xffffffff;
}

sub enc_I8 {
   $data .= pack "c", $_[0];
}

sub enc_I16 {
   enc_U16 unpack "S", pack "s", $_[0];
}

sub enc_I32 {
   enc_U32 unpack "I", pack "i", $_[0];
}

sub enc_DATA {
   # a dream!
   $data .= $_[0];
}

sub enc_STRING {
   # should use encode for speed and clarity ;)
   $data .= pack "v*", map ord, split //, $_[0];
}

sub enc_CONSTANT {
   # nop
}

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;
}

sub enc_HEX {
   die "enc_HEX not defined for good";
}

]]>

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

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

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

my %marker_code = (
      triangle => 1,
      square   => 2,
      circle   => 3,
      small_b  => 4,
      small_w  => 5,
      gray     => 6,
      move     => 7,
      addstone => 8,
   );

my %code_marker = reverse %marker_code;

# this was the most horrible thing to decode. still not everything is decoded correctly(?)
sub dec_TREE {
   my @r;
   while (length $data) {
      my $type = dec_U8;
      my $add = $type < 128;

      $type &= 127;

      if ($type == 127) {
         dec_U8; # unused?? *sigh*
         push @r, [add_node => dec_I32];

      } elsif ($type == 126) {
         push @r, [set_node => dec_I32];

      } elsif ($type == 125) {
         push @r, [set_current => dec_I32];

      } elsif ($type == 34) {
         push @r, [score => dec_U8, dec_score1000];

      } elsif ($type == 29) {
         push @r, [type_29 => dec_STRING];
         warn "TYPE 29 $r[-1][1]\007 PLEASE REPORT";#d#
         die;

      } elsif ($type == 28) {
         # move number, only in variations it seems. oh my.
         push @r, [movenum => dec_STRING];

      } elsif ($type == 25) {
         push @r, [result => dec_result];

      } elsif ($type == 23) {
         push @r, [mark => $add, MARK_GRAYED, dec_U8, dec_U8];

      } elsif ($type == 22) {
         push @r, [mark => $add, (&dec_U8 ? MARK_SMALL_W : MARK_SMALL_B), dec_U8, dec_U8];

      } elsif ($type == 21) {
         push @r, [mark => $add, MARK_CIRCLE, dec_U8, dec_U8];

      } elsif ($type == 20) {
         push @r, [mark => $add, MARK_SQUARE, dec_U8, dec_U8];

      } elsif ($type == 19) {
         push @r, [mark => $add, MARK_TRIANGLE, dec_U8, dec_U8];

      } elsif ($type == 18) {
         push @r, [mark => $add, MARK_LABEL, dec_U8, dec_U8, dec_STRING];

      } elsif ($type == 17) {
         push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];

      } elsif ($type == 16) {
         push @r, [set_stone => $add, dec_U8, dec_U8, dec_U8];

      } elsif ($type == 14) {
         push @r, [move => $add, dec_U8, dec_U8, dec_U8];

      } elsif (($type >= 4 && $type <= 9)
               || ($type >= 11 && $type <= 13)
               || $type == 24) {

         push @r, [({
               4 => "date",
               5 => "unknown_comment5",
               6 => "unknown_comment6",
               7 => "unknown_comment7",
               8 => "unknown_comment8",
               9 => "copyright", #?
              11 => "unknown_comment11",
              12 => "unknown_comment12",
              13 => "unknown_comment13",
              24 => "comment",
               })->{$type} => dec_STRING];

      } elsif ($type == 3) {
         push @r, [rank => dec_U8, dec_U32];

      } elsif ($type == 2) {
         push @r, [player => dec_U8, dec_STRING];

      } elsif ($type == 0) {
         # as usual, wms finds yet another way to duplicate code... oh well, what a mess.
         # (no wonder he is so keen on keeping it a secret...)

         push @r, [rules => dec_rules];

      # OLD

      } elsif (1) {
         print STDERR KGS::Listener::Debug::dumpval(\@r);
         open XTYPE, "|xtype"; print XTYPE $data; close XTYPE;
         die "unknown tree type $type, PLEASE REPORT and include the game you wanted to watch. thx.";

      } elsif ($type == 30) {
         push @r, [active_player => dec_U8];

      } elsif ($type == 0) { # label(?)
         my $label;
         my $c = dec_U16; $label .= chr $c if $c;
         my $c = dec_U16; $label .= chr $c if $c;
         my $c = dec_U16; $label .= chr $c if $c;

         # empty label == remove label
         push @r, [label => $label, dec_U8, dec_U8];

      } elsif ($type > 0 && $type < 9) {
         # 1 marker type triangle
         # 2 marker type square
         # 3 marker type circle
         # 4 small stone b
         # 5 small stone w
         # 6 grayed out
         # 7 move
         # 8 also move(?) or preset?
         #
         # $a1 is probably player again (2 == remove)
         # x is from left 0 to right boardsize-1
         # y is from top  0 to bottom boardsize-1
         push @r, [$code_marker{$type} => dec_U8, dec_U8, dec_U8];

      } else {
         push @r, [unknown => $type];
      }
   }
   \@r;
}

sub enc_TREE {
   die "tree encoding not yet supported again";
   for (@{$_[0]}) {
      my ($type, @arg) = @$_;

      if ($type eq "add_child") {
         enc_U8 255;
         enc_I32 $arg[0];

      } elsif ($type eq "done") {
         enc_U8 254;

      } elsif ($type eq "more") {
         enc_U8 253;

      } elsif ($type eq "comment") {
         # handle other string params, too
         enc_U8 9;
         enc_STRING $arg[0];

      } elsif ($type eq "label") {
         enc_U8 0;
         enc_U16 ord substr "$arg[0]\x00\x00", 0, 1;
         enc_U16 ord substr "$arg[0]\x00\x00", 1, 1;
         enc_U16 ord substr "$arg[0]\x00\x00", 2, 1;
         enc_U8 $arg[1];
         enc_U8 $arg[2];

      } elsif ($marker_code{$type}) {
         enc_U8 $marker_code{$type};
         enc_U8 $arg[0];
         enc_U8 $arg[1];
         enc_U8 $arg[2];

      } else {
         warn "unable to encode tree node type $type\n";
      }
   }
}
]]>

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

1;
</xsl:template>

<xsl:template match="type[@type = 'S']">
sub dec_<xsl:value-of select="@name"/> {
   my $res = "";
   my @r = unpack "v<xsl:value-of select="@length"/> a*", $data;
   $data = pop @r;
   for (@r) {
      last unless $_;
      $res .= chr $_;
   }
   # dump extra data to file for later analysis
   #my $x = pack "v*", @r; $x =~ s/^(..)*?\x00\x00//s; open DUMP, ">>/tmp/dump"; print DUMP $x; close DUMP;#d#
   $res;
}

sub enc_<xsl:value-of select="@name"/> {
   $data .= pack "v<xsl:value-of select="@length"/>", map ord, split //, $_[0];
}
</xsl:template>

<xsl:template match="type[@type = 'A']">
sub dec_<xsl:value-of select="@name"/> {
   (my ($r), $data) = unpack "Z<xsl:value-of select="@length"/> a*", $data; $r;
}

sub enc_<xsl:value-of select="@name"/> {
   $data .= pack "Z<xsl:value-of select="@length"/>", $_[0];
}
</xsl:template>

<xsl:template match="type[@multiplier]">
sub dec_<xsl:value-of select="@name"/> {
   (1 / <xsl:value-of select="@multiplier"/>) * dec_<xsl:value-of select="@type"/>;
}

sub enc_<xsl:value-of select="@name"/> {
   enc_<xsl:value-of select="@type"/> $_[0] * <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">
   $r->{<xsl:value-of select="@name"/>} = dec_<xsl:value-of select="@type"/>
                                              <xsl:text> </xsl:text>
                                              <xsl:value-of select="@default"/>
   <xsl:if test="@guard-cond">
      if ($r->{<xsl:value-of select="@guard-member"/>} <xsl:value-of select="@guard-cond"/>)</xsl:if>
   <xsl:text>;</xsl:text>
</xsl:template>

<xsl:template match="member" mode="enc">
   <!-- #d#, remove when kgs is repaired --><xsl:if test="@type = 'username'">
      $_[0]{<xsl:value-of select="@name"/>} =~ /^[A-Za-z][A-Za-z0-9]{0,11}$/
         or Carp::confess "FATAL: tried to send illegal username '$_[0]{<xsl:value-of select="@name"/>}'";
   </xsl:if><!--#d#-->
   enc_<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/>
   <xsl:text>} : (</xsl:text>
   <xsl:value-of select="@default"/>
   <xsl:text>);</xsl:text>
</xsl:template>

<xsl:template match="struct">
sub dec_<xsl:value-of select="@name"/> {
   my $r = {};
   <xsl:apply-templates select="member" mode="dec"/>
   <xsl:if test="@class">
   bless $r, <xsl:value-of select="@class"/>::;
   </xsl:if>
   $r;
}

sub enc_<xsl:value-of select="@name"/> {
   <xsl:apply-templates select="member" mode="enc"/>
}
</xsl:template>

<xsl:template match="message">
# <xsl:value-of select="@name"/>
$dec_<xsl:value-of select="@src"/>{0x<xsl:value-of select="@type"/>} = sub {
   $data = $_[0];
   my $r;
   $r->{type} = "<xsl:value-of select="@name"/>";
   <xsl:apply-templates select="member" mode="dec"/>
   $r;
};
$enc_<xsl:value-of select="@src"/>{<xsl:value-of select="@name"/>} = sub {
   $data = "";
   enc_U16 0x<xsl:value-of select="@type"/>;
   <xsl:apply-templates select="member" mode="enc"/>
   $data;
};
</xsl:template>

<xsl:template match="member">
   [<xsl:value-of select="@name"/>
   <xsl:text>=> "</xsl:text>
   <xsl:value-of select="@type"/>
   <xsl:text>", "</xsl:text>
   <xsl:value-of select="@default"/>
   <xsl:text>", "</xsl:text>
   <xsl:value-of select="@guard"/>
   <xsl:text>;"],</xsl:text>
</xsl:template>

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

</xsl:stylesheet>

Revision:	1.15
Committed:	Tue Jul 22 03:35:34 2003 UTC (20 years, 10 months ago) by pcg
Content type:	application/xml
Branch:	MAIN
CVS Tags:	stable
Changes since 1.14:	+1 -1 lines
Log Message:	* empty log message *
#	Content
1	<!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/doc2messages.xsl
14
15	package KGS::Messages;
16
17	use KGS::Constants; # REPLACE by parsed file, too
18
19	use strict;
20
21	our %type;
22
23	our %dec_client; # decode messages send to server
24	our %enc_client; # encode messages send to server
25	our %dec_server; # decode messages received from server
26	our %enc_server; # encode messages received from server
27
28	{
29
30	my $data; # stores currently processed decoding/encoding packet
31
32	# primitive enc/decoders
33
34	#############################################################################
35
36	sub dec_U8 {
37	(my ($r), $data) = unpack "C a*", $data; $r;
38	}
39
40	sub dec_U16 {
41	(my ($r), $data) = unpack "v a*", $data; $r;
42	}
43
44	sub dec_U32 {
45	(my ($r), $data) = unpack "V a*", $data; $r;
46	}
47
48	sub dec_U64 {
49	my ($lo, $hi) = (dec_U32, dec_U32);
50	$lo + $hi * 2**32;
51	}
52
53	sub dec_I8 {
54	(my ($r), $data) = unpack "c a*", $data;
55	$r;
56	}
57
58	sub dec_I16 {
59	(my ($r), $data) = unpack "v a*", $data;
60	unpack "s", pack "S", $r;
61	}
62
63	sub dec_I32 {
64	(my ($r), $data) = unpack "V a*", $data;
65	unpack "i", pack "I", $r;
66	}
67
68	sub dec_DATA {
69	(my ($r), $data) = ($data, ""); $r;
70	}
71
72	sub dec_STRING {
73	$data =~ s/^((?:..)*?)(?:\x00\x00\|\Z)//s;
74	# use Encode...
75	join "", map chr, unpack "v*", $1;
76	}
77
78	sub dec_CONSTANT {
79	$_[0];
80	}
81
82	sub dec_password {
83	dec_U64;
84	}
85
86	sub dec_HEX { # for debugging
87	"HEX: " . unpack "H*", $data;#d#
88	}
89
90	#############################################################################
91
92	sub enc_U8 {
93	$data .= pack "C", $_[0];
94	}
95
96	sub enc_U16 {
97	$data .= pack "v", $_[0];
98	}
99
100	sub enc_U32 {
101	$data .= pack "V", $_[0];
102	}
103
104	sub enc_U64 {
105	enc_U32 $_[0] & 0xffffffff;
106	enc_U32 +($_[0] >> 32) & 0xffffffff;
107	}
108
109	sub enc_I8 {
110	$data .= pack "c", $_[0];
111	}
112
113	sub enc_I16 {
114	enc_U16 unpack "S", pack "s", $_[0];
115	}
116
117	sub enc_I32 {
118	enc_U32 unpack "I", pack "i", $_[0];
119	}
120
121	sub enc_DATA {
122	# a dream!
123	$data .= $_[0];
124	}
125
126	sub enc_STRING {
127	# should use encode for speed and clarity ;)
128	$data .= pack "v*", map ord, split //, $_[0];
129	}
130
131	sub enc_CONSTANT {
132	# nop
133	}
134
135	sub enc_password {
136	require Math::BigInt; # I insist on 32-bit-perl.. should use C
137	# $hash must be 64 bit
138	my $hash = new Math::BigInt;
139	$hash = $hash * 1055 + ord for split //, $_[0];
140	enc_U64 $hash;
141	}
142
143	sub enc_HEX {
144	die "enc_HEX not defined for good";
145	}
146
147	]]>
148
149	#############################################################################
150	# types
151	<xsl:apply-templates select="descendant::type"/>
152
153	#############################################################################
154	# structures
155	<xsl:apply-templates select="descendant::struct"/>
156
157	#############################################################################
158	# "less" primitive types<![CDATA[
159
160	my %marker_code = (
161	triangle => 1,
162	square => 2,
163	circle => 3,
164	small_b => 4,
165	small_w => 5,
166	gray => 6,
167	move => 7,
168	addstone => 8,
169	);
170
171	my %code_marker = reverse %marker_code;
172
173	# this was the most horrible thing to decode. still not everything is decoded correctly(?)
174	sub dec_TREE {
175	my @r;
176	while (length $data) {
177	my $type = dec_U8;
178	my $add = $type < 128;
179
180	$type &= 127;
181
182	if ($type == 127) {
183	dec_U8; # unused?? sigh
184	push @r, [add_node => dec_I32];
185
186	} elsif ($type == 126) {
187	push @r, [set_node => dec_I32];
188
189	} elsif ($type == 125) {
190	push @r, [set_current => dec_I32];
191
192	} elsif ($type == 34) {
193	push @r, [score => dec_U8, dec_score1000];
194
195	} elsif ($type == 29) {
196	push @r, [type_29 => dec_STRING];
197	warn "TYPE 29 $r[-1][1]\007 PLEASE REPORT";#d#
198	die;
199
200	} elsif ($type == 28) {
201	# move number, only in variations it seems. oh my.
202	push @r, [movenum => dec_STRING];
203
204	} elsif ($type == 25) {
205	push @r, [result => dec_result];
206
207	} elsif ($type == 23) {
208	push @r, [mark => $add, MARK_GRAYED, dec_U8, dec_U8];
209
210	} elsif ($type == 22) {
211	push @r, [mark => $add, (&dec_U8 ? MARK_SMALL_W : MARK_SMALL_B), dec_U8, dec_U8];
212
213	} elsif ($type == 21) {
214	push @r, [mark => $add, MARK_CIRCLE, dec_U8, dec_U8];
215
216	} elsif ($type == 20) {
217	push @r, [mark => $add, MARK_SQUARE, dec_U8, dec_U8];
218
219	} elsif ($type == 19) {
220	push @r, [mark => $add, MARK_TRIANGLE, dec_U8, dec_U8];
221
222	} elsif ($type == 18) {
223	push @r, [mark => $add, MARK_LABEL, dec_U8, dec_U8, dec_STRING];
224
225	} elsif ($type == 17) {
226	push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];
227
228	} elsif ($type == 16) {
229	push @r, [set_stone => $add, dec_U8, dec_U8, dec_U8];
230
231	} elsif ($type == 14) {
232	push @r, [move => $add, dec_U8, dec_U8, dec_U8];
233
234	} elsif (($type >= 4 && $type <= 9)
235	\|\| ($type >= 11 && $type <= 13)
236	\|\| $type == 24) {
237
238	push @r, [({
239	4 => "date",
240	5 => "unknown_comment5",
241	6 => "unknown_comment6",
242	7 => "unknown_comment7",
243	8 => "unknown_comment8",
244	9 => "copyright", #?
245	11 => "unknown_comment11",
246	12 => "unknown_comment12",
247	13 => "unknown_comment13",
248	24 => "comment",
249	})->{$type} => dec_STRING];
250
251	} elsif ($type == 3) {
252	push @r, [rank => dec_U8, dec_U32];
253
254	} elsif ($type == 2) {
255	push @r, [player => dec_U8, dec_STRING];
256
257	} elsif ($type == 0) {
258	# as usual, wms finds yet another way to duplicate code... oh well, what a mess.
259	# (no wonder he is so keen on keeping it a secret...)
260
261	push @r, [rules => dec_rules];
262
263	# OLD
264
265	} elsif (1) {
266	print STDERR KGS::Listener::Debug::dumpval(\@r);
267	open XTYPE, "\|xtype"; print XTYPE $data; close XTYPE;
268	die "unknown tree type $type, PLEASE REPORT and include the game you wanted to watch. thx.";
269
270	} elsif ($type == 30) {
271	push @r, [active_player => dec_U8];
272
273	} elsif ($type == 0) { # label(?)
274	my $label;
275	my $c = dec_U16; $label .= chr $c if $c;
276	my $c = dec_U16; $label .= chr $c if $c;
277	my $c = dec_U16; $label .= chr $c if $c;
278
279	# empty label == remove label
280	push @r, [label => $label, dec_U8, dec_U8];
281
282	} elsif ($type > 0 && $type < 9) {
283	# 1 marker type triangle
284	# 2 marker type square
285	# 3 marker type circle
286	# 4 small stone b
287	# 5 small stone w
288	# 6 grayed out
289	# 7 move
290	# 8 also move(?) or preset?
291	#
292	# $a1 is probably player again (2 == remove)
293	# x is from left 0 to right boardsize-1
294	# y is from top 0 to bottom boardsize-1
295	push @r, [$code_marker{$type} => dec_U8, dec_U8, dec_U8];
296
297	} else {
298	push @r, [unknown => $type];
299	}
300	}
301	\@r;
302	}
303
304	sub enc_TREE {
305	die "tree encoding not yet supported again";
306	for (@{$_[0]}) {
307	my ($type, @arg) = @$_;
308
309	if ($type eq "add_child") {
310	enc_U8 255;
311	enc_I32 $arg[0];
312
313	} elsif ($type eq "done") {
314	enc_U8 254;
315
316	} elsif ($type eq "more") {
317	enc_U8 253;
318
319	} elsif ($type eq "comment") {
320	# handle other string params, too
321	enc_U8 9;
322	enc_STRING $arg[0];
323
324	} elsif ($type eq "label") {
325	enc_U8 0;
326	enc_U16 ord substr "$arg[0]\x00\x00", 0, 1;
327	enc_U16 ord substr "$arg[0]\x00\x00", 1, 1;
328	enc_U16 ord substr "$arg[0]\x00\x00", 2, 1;
329	enc_U8 $arg[1];
330	enc_U8 $arg[2];
331
332	} elsif ($marker_code{$type}) {
333	enc_U8 $marker_code{$type};
334	enc_U8 $arg[0];
335	enc_U8 $arg[1];
336	enc_U8 $arg[2];
337
338	} else {
339	warn "unable to encode tree node type $type\n";
340	}
341	}
342	}
343	]]>
344
345	#############################################################################
346	# messages
347	<xsl:apply-templates select="descendant::message"/>
348	}
349
350	1;
351	</xsl:template>
352
353	<xsl:template match="type[@type = 'S']">
354	sub dec_<xsl:value-of select="@name"/> {
355	my $res = "";
356	my @r = unpack "v<xsl:value-of select="@length"/> a*", $data;
357	$data = pop @r;
358	for (@r) {
359	last unless $_;
360	$res .= chr $_;
361	}
362	# dump extra data to file for later analysis
363	#my $x = pack "v", @r; $x =~ s/^(..)?\x00\x00//s; open DUMP, ">>/tmp/dump"; print DUMP $x; close DUMP;#d#
364	$res;
365	}
366
367	sub enc_<xsl:value-of select="@name"/> {
368	$data .= pack "v<xsl:value-of select="@length"/>", map ord, split //, $_[0];
369	}
370	</xsl:template>
371
372	<xsl:template match="type[@type = 'A']">
373	sub dec_<xsl:value-of select="@name"/> {
374	(my ($r), $data) = unpack "Z<xsl:value-of select="@length"/> a*", $data; $r;
375	}
376
377	sub enc_<xsl:value-of select="@name"/> {
378	$data .= pack "Z<xsl:value-of select="@length"/>", $_[0];
379	}
380	</xsl:template>
381
382	<xsl:template match="type[@multiplier]">
383	sub dec_<xsl:value-of select="@name"/> {
384	(1 / <xsl:value-of select="@multiplier"/>) * dec_<xsl:value-of select="@type"/>;
385	}
386
387	sub enc_<xsl:value-of select="@name"/> {
388	enc_<xsl:value-of select="@type"/> $_[0] * <xsl:value-of select="@multiplier"/>;
389	}
390	</xsl:template>
391
392	<xsl:template match="member[@array = 'yes']" mode="dec">
393	$r->{<xsl:value-of select="@name"/>} = (my $array = []);
394	while (length $data) {
395	push @$array, dec_<xsl:value-of select="@type"/>
396	<xsl:text> </xsl:text>
397	<xsl:value-of select="@default"/>;
398	}
399	</xsl:template>
400
401	<xsl:template match="member" mode="dec">
402	$r->{<xsl:value-of select="@name"/>} = dec_<xsl:value-of select="@type"/>
403	<xsl:text> </xsl:text>
404	<xsl:value-of select="@default"/>
405	<xsl:if test="@guard-cond">
406	if ($r->{<xsl:value-of select="@guard-member"/>} <xsl:value-of select="@guard-cond"/>)</xsl:if>
407	<xsl:text>;</xsl:text>
408	</xsl:template>
409
410	<xsl:template match="member" mode="enc">
411	<!-- #d#, remove when kgs is repaired --><xsl:if test="@type = 'username'">
412	$_[0]{<xsl:value-of select="@name"/>} =~ /^[A-Za-z][A-Za-z0-9]{0,11}$/
413	or Carp::confess "FATAL: tried to send illegal username '$_[0]{<xsl:value-of select="@name"/>}'";
414	</xsl:if><!--#d#-->
415	enc_<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/>
416	<xsl:text>} : (</xsl:text>
417	<xsl:value-of select="@default"/>
418	<xsl:text>);</xsl:text>
419	</xsl:template>
420
421	<xsl:template match="struct">
422	sub dec_<xsl:value-of select="@name"/> {
423	my $r = {};
424	<xsl:apply-templates select="member" mode="dec"/>
425	<xsl:if test="@class">
426	bless $r, <xsl:value-of select="@class"/>::;
427	</xsl:if>
428	$r;
429	}
430
431	sub enc_<xsl:value-of select="@name"/> {
432	<xsl:apply-templates select="member" mode="enc"/>
433	}
434	</xsl:template>
435
436	<xsl:template match="message">
437	# <xsl:value-of select="@name"/>
438	$dec_<xsl:value-of select="@src"/>{0x<xsl:value-of select="@type"/>} = sub {
439	$data = $_[0];
440	my $r;
441	$r->{type} = "<xsl:value-of select="@name"/>";
442	<xsl:apply-templates select="member" mode="dec"/>
443	$r;
444	};
445	$enc_<xsl:value-of select="@src"/>{<xsl:value-of select="@name"/>} = sub {
446	$data = "";
447	enc_U16 0x<xsl:value-of select="@type"/>;
448	<xsl:apply-templates select="member" mode="enc"/>
449	$data;
450	};
451	</xsl:template>
452
453	<xsl:template match="member">
454	[<xsl:value-of select="@name"/>
455	<xsl:text>=> "</xsl:text>
456	<xsl:value-of select="@type"/>
457	<xsl:text>", "</xsl:text>
458	<xsl:value-of select="@default"/>
459	<xsl:text>", "</xsl:text>
460	<xsl:value-of select="@guard"/>
461	<xsl:text>;"],</xsl:text>
462	</xsl:template>
463
464	<xsl:template match="text()">
465	</xsl:template>
466
467	</xsl:stylesheet>
468