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Comparing kgsueme/doc/doc2messages.xsl (file contents):
Revision 1.1 by pcg, Wed Jun 4 19:12:51 2003 UTC vs.
Revision 1.12 by pcg, Mon Jul 21 13:39:03 2003 UTC

1<!DOCTYPE xsl:stylesheet> 1<!DOCTYPE xsl:stylesheet>
2<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 2<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
3 3
4<xsl:output method="text" media-type="text/plain" encoding="utf-8"/> 4<xsl:output method="text" media-type="text/plain" encoding="utf-8"/>
5 5
6<xsl:template match="/"> 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
7package KGS::Messages; 15package KGS::Messages;
8 16
17use KGS::Constants; # REPLACE by parsed file, too
18
19use strict;
20
21our %type;
22
23our %dec_client; # decode messages send to server
24our %enc_client; # encode messages send to server
25our %dec_server; # decode messages received from server
26our %enc_server; # encode messages received from server
27
9{ 28{
10<xsl:apply-templates/> 29
30my $data; # stores currently processed decoding/encoding packet
31
32# primitive enc/decoders
33
34#############################################################################
35
36sub dec_U8 {
37 (my ($r), $data) = unpack "C a*", $data; $r;
38}
39
40sub dec_U16 {
41 (my ($r), $data) = unpack "v a*", $data; $r;
42}
43
44sub dec_U32 {
45 (my ($r), $data) = unpack "V a*", $data; $r;
46}
47
48sub dec_U64 {
49 my ($lo, $hi) = (dec_U32, dec_U32);
50 $lo + $hi * 2**32;
51}
52
53sub dec_I8 {
54 (my ($r), $data) = unpack "c a*", $data;
55 $r;
56}
57
58sub dec_I16 {
59 (my ($r), $data) = unpack "v a*", $data;
60 unpack "s", pack "S", $r;
61}
62
63sub dec_I32 {
64 (my ($r), $data) = unpack "V a*", $data;
65 unpack "i", pack "I", $r;
66}
67
68sub dec_DATA {
69 (my ($r), $data) = ($data, ""); $r;
70}
71
72sub dec_STRING {
73 $data =~ s/^((?:..)*?)(?:\x00\x00|\Z)//s;
74 # use Encode...
75 join "", map chr, unpack "v*", $1;
76}
77
78sub dec_CONSTANT {
79 $_[0];
80}
81
82sub dec_password {
83 dec_U64;
84}
85
86sub dec_HEX { # for debugging
87 "HEX: " . unpack "H*", $data;#d#
88}
89
90#############################################################################
91
92sub enc_U8 {
93 $data .= pack "C", $_[0];
94}
95
96sub enc_U16 {
97 $data .= pack "v", $_[0];
98}
99
100sub enc_U32 {
101 $data .= pack "V", $_[0];
102}
103
104sub enc_U64 {
105 enc_U32 $_[0] & 0xffffffff;
106 enc_U32 +($_[0] >> 32) & 0xffffffff;
107}
108
109sub enc_I8 {
110 $data .= pack "c", $_[0];
111}
112
113sub enc_I16 {
114 enc_U16 unpack "S", pack "s", $_[0];
115}
116
117sub enc_I32 {
118 enc_U32 unpack "I", pack "i", $_[0];
119}
120
121sub enc_DATA {
122 # a dream!
123 $data .= $_[0];
124}
125
126sub enc_STRING {
127 # should use encode for speed and clarity ;)
128 $data .= pack "v*", map ord, split //, $_[0];
129}
130
131sub enc_CONSTANT {
132 # nop
133}
134
135sub 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
143sub 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
160my %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
171my %code_marker = reverse %marker_code;
172
173# this was the most horrible thing to decode. still not everything is decoded correctly(?)
174sub 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 == 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 => $add, MARK_CIRCLE, dec_U8, dec_U8];
206
207 } elsif ($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 => $add, MARK_LABEL, dec_U8, dec_U8, dec_STRING];
215
216 } elsif ($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 => $add, dec_U8, dec_U8, dec_U8];
224
225 } elsif (($type >= 4 && $type <= 9)
226 || ($type >= 11 && $type <= 13)
227 || $type == 24) {
228
229 push @r, [({
230 4 => "date",
231 5 => "unknown_comment5",
232 6 => "unknown_comment6",
233 7 => "unknown_comment7",
234 8 => "unknown_comment8",
235 9 => "copyright", #?
236 11 => "unknown_comment11",
237 12 => "unknown_comment12",
238 13 => "unknown_comment13",
239 24 => "comment",
240 })->{$type} => dec_STRING];
241
242 } elsif ($type == 3) {
243 push @r, [rank => dec_U8, dec_U32];
244
245 } elsif ($type == 2) {
246 push @r, [player => dec_U8, dec_STRING];
247
248 } 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
254 # OLD
255
256 } elsif (1) {
257 print STDERR KGS::Listener::Debug::dumpval(\@r);
258 open XTYPE, "|xtype"; print XTYPE $data; close XTYPE;
259 die "unknown type $type";
260
261 } elsif ($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 => $type];
290 }
291 }
292 \@r;
293}
294
295sub enc_TREE {
296 die "tree encoding not yet supported again";
297 for (@{$_[0]}) {
298 my ($type, @arg) = @$_;
299
300 if ($type eq "add_child") {
301 enc_U8 255;
302 enc_I32 $arg[0];
303
304 } elsif ($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"/>
11} 339}
12 340
131; 3411;
14</xsl:template> 342</xsl:template>
15 343
344<xsl:template match="type[@type = 'S']">
345sub 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
351sub enc_<xsl:value-of select="@name"/> {
352 $data .= pack "v<xsl:value-of select="@length"/>", map ord, split //, $_[0];
353}
354</xsl:template>
355
356<xsl:template match="type[@type = 'A']">
357sub dec_<xsl:value-of select="@name"/> {
358 (my ($r), $data) = unpack "Z<xsl:value-of select="@length"/> a*", $data; $r;
359}
360
361sub 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]">
367sub dec_<xsl:value-of select="@name"/> {
368 (1 / <xsl:value-of select="@multiplier"/>) * dec_<xsl:value-of select="@type"/>;
369}
370
371sub 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"/>} ? $_[0]{<xsl:value-of select="@name"/>
400 <xsl:text>} : (</xsl:text>
401 <xsl:value-of select="@default"/>
402 <xsl:text>);</xsl:text>
403</xsl:template>
404
16<xsl:template match="macro"> 405<xsl:template match="struct">
17$macro{<xsl:value-of select="@name"/>} = [<xsl:apply-templates/> 406sub dec_<xsl:value-of select="@name"/> {
18]; 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
415sub enc_<xsl:value-of select="@name"/> {
416 <xsl:apply-templates select="member" mode="enc"/>
417}
19</xsl:template> 418</xsl:template>
20 419
21<xsl:template match="message"> 420<xsl:template match="message">
22# <xsl:value-of select="@name"/> 421# <xsl:value-of select="@name"/>
23my $msg = [<xsl:apply-templates/>
24];<xsl:if test="@send='yes'">
25$send{<xsl:value-of select="@name"/>} = [ 0x<xsl:value-of select="@type"/>, $msg ]; 422$dec_<xsl:value-of select="@src"/>{0x<xsl:value-of select="@type"/>} = sub {
26</xsl:if> 423 $data = $_[0];
27<xsl:if test="@recv='yes'"> 424 my $r;
425 $r->{type} = "<xsl:value-of select="@name"/>";
426 <xsl:apply-templates select="member" mode="dec"/>
427 $r;
428};
28$recv{0x<xsl:value-of select="@type"/>} = [ <xsl:value-of select="@name"/> => $msg ]; 429$enc_<xsl:value-of select="@src"/>{<xsl:value-of select="@name"/>} = sub {
29</xsl:if> 430 $data = "";
431 enc_U16 0x<xsl:value-of select="@type"/>;
432 <xsl:apply-templates select="member" mode="enc"/>
433 $data;
434};
30</xsl:template> 435</xsl:template>
31 436
32<xsl:template match="member"> 437<xsl:template match="member">
33 [<xsl:value-of select="@name"/> => "<xsl:value-of select="@type"/>", "<xsl:value-of select="@default"/>", "<xsl:value-of select="@guard"/>"],<!-- 438 [<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>
34--></xsl:template> 446</xsl:template>
35 447
36<xsl:template match="text()"> 448<xsl:template match="text()">
37</xsl:template> 449</xsl:template>
38 450
39</xsl:stylesheet> 451</xsl:stylesheet>

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