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 == 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 type $type";

      } 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 @r = unpack "v<xsl:value-of select="@length"/> a*", $data;
   $data = pop @r;
   join ":", map chr, @r;
}

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:	1.12
Committed:	Mon Jul 21 13:39:03 2003 UTC (20 years, 10 months ago) by pcg
Content type:	application/xml
Branch:	MAIN
Changes since 1.11:	+6 -6 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	<!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	pcg	1.2	<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	pcg	1.1	package KGS::Messages;
16
17	pcg	1.5	use KGS::Constants; # REPLACE by parsed file, too
18
19	pcg	1.2	use strict;
20
21			our %type;
22	pcg	1.11
23	pcg	1.12	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	pcg	1.2
28	pcg	1.1	{
29	pcg	1.2
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	pcg	1.11	sub dec_password {
83			dec_U64;
84			}
85
86	pcg	1.2	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	pcg	1.9	sub enc_I8 {
110			$data .= pack "c", $_[0];
111			}
112
113	pcg	1.6	sub enc_I16 {
114			enc_U16 unpack "S", pack "s", $_[0];
115			}
116
117	pcg	1.2	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	pcg	1.7
131	pcg	1.11	sub enc_CONSTANT {
132			# nop
133			}
134
135	pcg	1.7	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	pcg	1.11	sub enc_HEX {
144			die "enc_HEX not defined for good";
145			}
146
147	pcg	1.2	]]>
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	pcg	1.10	my $add = $type < 128;
179	pcg	1.2
180	pcg	1.10	$type &= 127;
181	pcg	1.2
182	pcg	1.10	if ($type == 127) {
183			dec_U8; # unused?? sigh
184			push @r, [add_node => dec_I32];
185	pcg	1.2
186	pcg	1.10	} elsif ($type == 126) {
187			push @r, [set_node => dec_I32];
188	pcg	1.2
189	pcg	1.10	} elsif ($type == 125) {
190			push @r, [set_current => dec_I32];
191	pcg	1.2
192	pcg	1.10	} elsif ($type == 34) {
193			push @r, [score => dec_U8, dec_score1000];
194
195			} elsif ($type == 25) {
196			push @r, [result => dec_result];
197
198			} elsif ($type == 23) {
199			push @r, [mark => $add, MARK_GRAYED, dec_U8, dec_U8];
200
201			} elsif ($type == 22) {
202			push @r, [mark => $add, (&dec_U8 ? MARK_SMALL_W : MARK_SMALL_B), dec_U8, dec_U8];
203
204			} elsif ($type == 21) {
205			push @r, [mark => $add, MARK_CIRCLE, dec_U8, dec_U8];
206
207	pcg	1.11	} elsif ($type == 20) {
208			push @r, [mark => $add, MARK_SQUARE, dec_U8, dec_U8];
209
210			} elsif ($type == 19) {
211			push @r, [mark => $add, MARK_TRIANGLE, dec_U8, dec_U8];
212
213			} elsif ($type == 18) {
214			push @r, [mark => $add, MARK_LABEL, dec_U8, dec_U8, dec_STRING];
215
216	pcg	1.10	} elsif ($type == 17) {
217			push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];
218
219			} elsif ($type == 16) {
220			push @r, [set_stone => $add, dec_U8, dec_U8, dec_U8];
221
222			} elsif ($type == 14) {
223			push @r, [move => $add, dec_U8, dec_U8, dec_U8];
224	pcg	1.2
225	pcg	1.10	} elsif (($type >= 4 && $type <= 9)
226			\|\| ($type >= 11 && $type <= 13)
227			\|\| $type == 24) {
228	pcg	1.2
229			push @r, [({
230	pcg	1.10	4 => "date",
231			5 => "unknown_comment5",
232			6 => "unknown_comment6",
233			7 => "unknown_comment7",
234			8 => "unknown_comment8",
235			9 => "copyright", #?
236			11 => "unknown_comment11",
237			12 => "unknown_comment12",
238			13 => "unknown_comment13",
239			24 => "comment",
240	pcg	1.2	})->{$type} => dec_STRING];
241
242	pcg	1.10	} elsif ($type == 3) {
243			push @r, [rank => dec_U8, dec_U32];
244	pcg	1.2
245	pcg	1.10	} elsif ($type == 2) {
246			push @r, [player => dec_U8, dec_STRING];
247	pcg	1.2
248	pcg	1.10	} elsif ($type == 0) {
249			# as usual, wms finds yet another way to duplicate code... oh well, what a mess.
250			# (no wonder he is so keen on keeping it a secret...)
251
252			push @r, [rules => dec_rules];
253	pcg	1.2
254	pcg	1.10	# OLD
255	pcg	1.2
256	pcg	1.10	} elsif (1) {
257			print STDERR KGS::Listener::Debug::dumpval(\@r);
258			open XTYPE, "\|xtype"; print XTYPE $data; close XTYPE;
259			die "unknown type $type";
260	pcg	1.2
261			} elsif ($type == 30) {
262			push @r, [active_player => dec_U8];
263
264			} elsif ($type == 0) { # label(?)
265			my $label;
266			my $c = dec_U16; $label .= chr $c if $c;
267			my $c = dec_U16; $label .= chr $c if $c;
268			my $c = dec_U16; $label .= chr $c if $c;
269
270			# empty label == remove label
271			push @r, [label => $label, dec_U8, dec_U8];
272
273			} elsif ($type > 0 && $type < 9) {
274			# 1 marker type triangle
275			# 2 marker type square
276			# 3 marker type circle
277			# 4 small stone b
278			# 5 small stone w
279			# 6 grayed out
280			# 7 move
281			# 8 also move(?) or preset?
282			#
283			# $a1 is probably player again (2 == remove)
284			# x is from left 0 to right boardsize-1
285			# y is from top 0 to bottom boardsize-1
286			push @r, [$code_marker{$type} => dec_U8, dec_U8, dec_U8];
287
288			} else {
289			push @r, [unknown => $type];
290			}
291			}
292			\@r;
293			}
294
295			sub enc_TREE {
296	pcg	1.11	die "tree encoding not yet supported again";
297	pcg	1.2	for (@{$_[0]}) {
298			my ($type, @arg) = @$_;
299
300			if ($type eq "add_child") {
301			enc_U8 255;
302	pcg	1.3	enc_I32 $arg[0];
303	pcg	1.2
304			} elsif ($type eq "done") {
305			enc_U8 254;
306
307			} elsif ($type eq "more") {
308			enc_U8 253;
309
310			} elsif ($type eq "comment") {
311			# handle other string params, too
312			enc_U8 9;
313			enc_STRING $arg[0];
314
315			} elsif ($type eq "label") {
316			enc_U8 0;
317			enc_U16 ord substr "$arg[0]\x00\x00", 0, 1;
318			enc_U16 ord substr "$arg[0]\x00\x00", 1, 1;
319			enc_U16 ord substr "$arg[0]\x00\x00", 2, 1;
320			enc_U8 $arg[1];
321			enc_U8 $arg[2];
322
323			} elsif ($marker_code{$type}) {
324			enc_U8 $marker_code{$type};
325			enc_U8 $arg[0];
326			enc_U8 $arg[1];
327			enc_U8 $arg[2];
328
329			} else {
330			warn "unable to encode tree node type $type\n";
331			}
332			}
333			}
334			]]>
335
336			#############################################################################
337			# messages
338			<xsl:apply-templates select="descendant::message"/>
339	pcg	1.1	}
340
341			1;
342			</xsl:template>
343
344	pcg	1.2	<xsl:template match="type[@type = 'S']">
345			sub dec_<xsl:value-of select="@name"/> {
346			my @r = unpack "v<xsl:value-of select="@length"/> a*", $data;
347			$data = pop @r;
348			join ":", map chr, @r;
349			}
350
351			sub enc_<xsl:value-of select="@name"/> {
352			$data .= pack "v<xsl:value-of select="@length"/>", map ord, split //, $_[0];
353			}
354			</xsl:template>
355
356			<xsl:template match="type[@type = 'A']">
357			sub dec_<xsl:value-of select="@name"/> {
358			(my ($r), $data) = unpack "Z<xsl:value-of select="@length"/> a*", $data; $r;
359			}
360
361			sub enc_<xsl:value-of select="@name"/> {
362			$data .= pack "Z<xsl:value-of select="@length"/>", $_[0];
363			}
364			</xsl:template>
365
366			<xsl:template match="type[@multiplier]">
367			sub dec_<xsl:value-of select="@name"/> {
368			(1 / <xsl:value-of select="@multiplier"/>) * dec_<xsl:value-of select="@type"/>;
369			}
370
371			sub enc_<xsl:value-of select="@name"/> {
372			enc_<xsl:value-of select="@type"/> $_[0] * <xsl:value-of select="@multiplier"/>;
373			}
374			</xsl:template>
375
376			<xsl:template match="member[@array = 'yes']" mode="dec">
377			$r->{<xsl:value-of select="@name"/>} = (my $array = []);
378			while (length $data) {
379			push @$array, dec_<xsl:value-of select="@type"/>
380			<xsl:text> </xsl:text>
381			<xsl:value-of select="@default"/>;
382			}
383			</xsl:template>
384
385			<xsl:template match="member" mode="dec">
386			$r->{<xsl:value-of select="@name"/>} = dec_<xsl:value-of select="@type"/>
387			<xsl:text> </xsl:text>
388			<xsl:value-of select="@default"/>
389			<xsl:if test="@guard-cond">
390			if ($r->{<xsl:value-of select="@guard-member"/>} <xsl:value-of select="@guard-cond"/>)</xsl:if>
391			<xsl:text>;</xsl:text>
392			</xsl:template>
393
394			<xsl:template match="member" mode="enc">
395			<!-- #d#, remove when kgs is repaired --><xsl:if test="@type = 'username'">
396			$_[0]{<xsl:value-of select="@name"/>} =~ /^[A-Za-z][A-Za-z0-9]{0,11}$/
397			or Carp::confess "FATAL: tried to send illegal username '$_[0]{<xsl:value-of select="@name"/>}'";
398			</xsl:if><!--#d#-->
399			enc_<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/>
400			<xsl:text>} : (</xsl:text>
401			<xsl:value-of select="@default"/>
402			<xsl:text>);</xsl:text>
403			</xsl:template>
404
405			<xsl:template match="struct">
406			sub dec_<xsl:value-of select="@name"/> {
407			my $r = {};
408			<xsl:apply-templates select="member" mode="dec"/>
409			<xsl:if test="@class">
410			bless $r, <xsl:value-of select="@class"/>::;
411			</xsl:if>
412			$r;
413			}
414
415			sub enc_<xsl:value-of select="@name"/> {
416			<xsl:apply-templates select="member" mode="enc"/>
417			}
418	pcg	1.1	</xsl:template>
419
420			<xsl:template match="message">
421			# <xsl:value-of select="@name"/>
422	pcg	1.12	$dec_<xsl:value-of select="@src"/>{0x<xsl:value-of select="@type"/>} = sub {
423	pcg	1.2	$data = $_[0];
424			my $r;
425			$r->{type} = "<xsl:value-of select="@name"/>";
426			<xsl:apply-templates select="member" mode="dec"/>
427			$r;
428			};
429	pcg	1.12	$enc_<xsl:value-of select="@src"/>{<xsl:value-of select="@name"/>} = sub {
430	pcg	1.2	$data = "";
431			enc_U16 0x<xsl:value-of select="@type"/>;
432			<xsl:apply-templates select="member" mode="enc"/>
433			$data;
434			};
435	pcg	1.1	</xsl:template>
436
437			<xsl:template match="member">
438	pcg	1.2	[<xsl:value-of select="@name"/>
439			<xsl:text>=> "</xsl:text>
440			<xsl:value-of select="@type"/>
441			<xsl:text>", "</xsl:text>
442			<xsl:value-of select="@default"/>
443			<xsl:text>", "</xsl:text>
444			<xsl:value-of select="@guard"/>
445			<xsl:text>;"],</xsl:text>
446			</xsl:template>
447	pcg	1.1
448			<xsl:template match="text()">
449			</xsl:template>
450
451			</xsl:stylesheet>
452