kgsueme/doc/doc2messages_pm.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_pm.xsl (and doc/Makefile)

package KGS::Messages;

use Gtk2::GoBoard::Constants; # for MARK_xyz

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

sub _set_data($) { $data = shift } # for debugging or special apps only

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

BEGIN { *dec_STRING = \&dec_ZSTRING };

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

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

      my $ofs = (length $old_data) - (length $data);#d#

      $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_ZSTRING];
         warn "UNKNOWN TREE 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_ZSTRING];

      } elsif ($type == 26) {
         push @r, [type_26 => dec_U8]; # sets a flag (?)
         warn "unknown tree node 26, please ignore\n";
         # possibly marks moves done while editing, as opposed to game-moves(?)

      } 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_SQUARE, dec_U8, dec_U8];

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

      } elsif ($type == 19) {
         push @r, [mark => $add, MARK_LABEL, dec_U8, dec_U8, dec_ZSTRING];
         #push @r, [unknown_18 => dec_U8, dec_U32, dec_U32, dec_U8, dec_U32, dec_U32, dec_U32];
         #push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];

      } elsif ($type == 18) {
         push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];

      } elsif ($type == 17) {
         push @r, [set_stone => dec_U8, dec_U8, dec_U8];#d#?

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

      } elsif ($type == 15) {
         push @r, [mark => $add, MARK_CIRCLE, dec_U8, dec_U8];#d#?

      } elsif ($type == 14) {
         push @r, [move => 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 => "game_id", #?#
               7 => "unknown_comment7",
               8 => "unknown_comment8",
               9 => "copyright", #?
              11 => "unknown_comment11",
              12 => "unknown_comment12",
              13 => "unknown_comment13",
              24 => "comment",
               })->{$type} => dec_ZSTRING];

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

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

      } elsif ($type == 1) {
         push @r, [sgf_name => dec_ZSTRING];

      } 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

      } else {
         require KGS::Listener::Debug; # hack
         print STDERR KGS::Listener::Debug::dumpval(\@r);
         printf "offset: 0x%04x\n", $ofs;
         open XTYPE, "|xtype"; print XTYPE $old_data; close XTYPE;
         warn "unknown tree type $type, PLEASE REPORT and include the game you wanted to watch. thx.";

      }

      #push @{$r[-1]}, offset => sprintf "0x%x", $ofs;#d#
      
   }
#         print STDERR KGS::Listener::Debug::dumpval(\@r);#d#
#            return [];#d#
   \@r;
}

sub enc_TREE {
   for (@{$_[0]}) {
      my ($type, @arg) = @$_;

      if ($type eq "add_node") {
         enc_U8 127;
         enc_U8 0; # unused?
         enc_I32 $arg[0];

      } elsif ($type eq "set_node") {
         enc_U8 126;
         enc_I32 $arg[0];

      } elsif ($type eq "set_current") {
         enc_U8 125;
         enc_I32 $arg[0];

      } elsif ($type eq "movenum") {
         enc_U8 28;
         enc_ZSTRING $arg[0];

      } elsif ($type eq "set_stone") {
         enc_U8 16;
         enc_U8 $arg[0];
         enc_U8 $arg[1];
         enc_U8 $arg[2];

      } elsif ($type eq "move") {
         enc_U8 14;
         enc_U8 $arg[0];
         enc_U8 $arg[1];
         enc_U8 $arg[2];

      } elsif ($type eq "comment") {
         enc_U8 24;
         enc_ZSTRING $arg[0];

      } elsif ($type eq "mark") {
         my $op = ({
                  &MARK_GRAYED   => 23,
                  &MARK_SMALL_B  => 22,
                  &MARK_SMALL_W  => 22,
                  &MARK_SQUARE   => 21,
                  &MARK_TRIANGLE => 20,
                  &MARK_LABEL    => 19,
                  &MARK_CIRCLE   => 15,
                })->{$arg[1]};

         enc_U8 $op + ($arg[0] ? 0 : 128);
         enc_U8 $arg[1] == MARK_SMALL_W if $op == 22;
         enc_U8 $arg[2];
         enc_U8 $arg[3];

         enc_ZSTRING $arg[4] if $op == 18;

      # unknown types
      } elsif ($type eq "type_29") {
         enc_U8 29;
         enc_ZSTRING $arg[0];
      } elsif ($type eq "type_26") {
         enc_U8 26;
         enc_U8 $arg[0];

      } 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, ">>/root/kgs-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 "a<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:template>

<xsl:template match="member" mode="dec">
   $r->{<xsl:value-of select="@name"/>} = dec_<xsl:value-of select="@type"/>
                                              <xsl:text> </xsl:text>
                                              <xsl:value-of select="concat('q|',@value,'|')"/>
   <xsl:if test="@guard-cond">
      if ($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">
   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="concat('q|',@value,'|')"/>
   <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="text()">
</xsl:template>

</xsl:stylesheet>

Revision:	1.11
Committed:	Sat May 29 06:38:26 2004 UTC (20 years ago) by pcg
Content type:	application/xml
Branch:	MAIN
Changes since 1.10:	+3 -2 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			<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_pm.xsl (and doc/Makefile)
14
15			package KGS::Messages;
16
17	pcg	1.4	use Gtk2::GoBoard::Constants; # for MARK_xyz
18	pcg	1.1
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 $data; # stores currently processed decoding/encoding packet
31
32	pcg	1.7	sub _set_data($) { $data = shift } # for debugging or special apps only
33
34	pcg	1.1	# primitive enc/decoders
35
36			#############################################################################
37
38			sub dec_U8 {
39			(my ($r), $data) = unpack "C a*", $data; $r;
40			}
41
42			sub dec_U16 {
43			(my ($r), $data) = unpack "v a*", $data; $r;
44			}
45
46			sub dec_U32 {
47			(my ($r), $data) = unpack "V a*", $data; $r;
48			}
49
50			sub dec_U64 {
51			my ($lo, $hi) = (dec_U32, dec_U32);
52			$lo + $hi * 2**32;
53			}
54
55			sub dec_I8 {
56			(my ($r), $data) = unpack "c a*", $data;
57			$r;
58			}
59
60			sub dec_I16 {
61			(my ($r), $data) = unpack "v a*", $data;
62			unpack "s", pack "S", $r;
63			}
64
65			sub dec_I32 {
66			(my ($r), $data) = unpack "V a*", $data;
67			unpack "i", pack "I", $r;
68			}
69
70			sub dec_DATA {
71			(my ($r), $data) = ($data, ""); $r;
72			}
73
74	pcg	1.6	sub dec_ZSTRING {
75	pcg	1.1	$data =~ s/^((?:..)*?)(?:\x00\x00\|\Z)//s;
76			# use Encode...
77			join "", map chr, unpack "v*", $1;
78			}
79
80	pcg	1.6	BEGIN { *dec_STRING = \&dec_ZSTRING };
81
82	pcg	1.1	sub dec_CONSTANT {
83			$_[0];
84			}
85
86			sub dec_password {
87			dec_U64;
88			}
89
90			sub dec_HEX { # for debugging
91			"HEX: " . unpack "H*", $data;#d#
92			}
93
94			#############################################################################
95
96			sub enc_U8 {
97			$data .= pack "C", $_[0];
98			}
99
100			sub enc_U16 {
101			$data .= pack "v", $_[0];
102			}
103
104			sub enc_U32 {
105			$data .= pack "V", $_[0];
106			}
107
108			sub enc_U64 {
109			enc_U32 $_[0] & 0xffffffff;
110			enc_U32 +($_[0] >> 32) & 0xffffffff;
111			}
112
113			sub enc_I8 {
114			$data .= pack "c", $_[0];
115			}
116
117			sub enc_I16 {
118			enc_U16 unpack "S", pack "s", $_[0];
119			}
120
121			sub enc_I32 {
122			enc_U32 unpack "I", pack "i", $_[0];
123			}
124
125			sub enc_DATA {
126			# a dream!
127			$data .= $_[0];
128			}
129
130	pcg	1.6	sub enc_ZSTRING {
131			# should use encode for speed and clarity ;)
132			$data .= pack "v*", (map ord, split //, $_[0]), 0;
133			}
134
135	pcg	1.1	sub enc_STRING {
136			# should use encode for speed and clarity ;)
137			$data .= pack "v*", map ord, split //, $_[0];
138			}
139
140			sub enc_CONSTANT {
141			# nop
142			}
143
144			sub enc_password {
145			require Math::BigInt; # I insist on 32-bit-perl.. should use C
146			# $hash must be 64 bit
147			my $hash = new Math::BigInt;
148			$hash = $hash * 1055 + ord for split //, $_[0];
149			enc_U64 $hash;
150			}
151
152			sub enc_HEX {
153			die "enc_HEX not defined for good";
154			}
155
156			]]>
157
158			#############################################################################
159			# types
160			<xsl:apply-templates select="descendant::type"/>
161
162			#############################################################################
163			# structures
164			<xsl:apply-templates select="descendant::struct"/>
165
166			#############################################################################
167			# "less" primitive types<![CDATA[
168
169			# this was the most horrible thing to decode. still not everything is decoded correctly(?)
170			sub dec_TREE {
171			my @r;
172	pcg	1.8	my $old_data = $data;#d#
173	pcg	1.1	while (length $data) {
174			my $type = dec_U8;
175			my $add = $type < 128;
176
177	pcg	1.8	my $ofs = (length $old_data) - (length $data);#d#
178
179	pcg	1.1	$type &= 127;
180
181			if ($type == 127) {
182			dec_U8; # unused?? sigh
183			push @r, [add_node => dec_I32];
184
185			} elsif ($type == 126) {
186			push @r, [set_node => dec_I32];
187
188			} elsif ($type == 125) {
189			push @r, [set_current => dec_I32];
190
191			} elsif ($type == 34) {
192			push @r, [score => dec_U8, dec_score1000];
193
194			} elsif ($type == 29) {
195	pcg	1.6	push @r, [type_29 => dec_ZSTRING];
196	pcg	1.7	warn "UNKNOWN TREE TYPE 29 $r[-1][1]\007 PLEASE REPORT";#d#
197	pcg	1.1	die;
198
199			} elsif ($type == 28) {
200			# move number, only in variations it seems. oh my.
201	pcg	1.6	push @r, [movenum => dec_ZSTRING];
202	pcg	1.1
203	pcg	1.7	} elsif ($type == 26) {
204			push @r, [type_26 => dec_U8]; # sets a flag (?)
205	pcg	1.11	warn "unknown tree node 26, please ignore\n";
206			# possibly marks moves done while editing, as opposed to game-moves(?)
207	pcg	1.7
208	pcg	1.1	} elsif ($type == 25) {
209			push @r, [result => dec_result];
210
211			} elsif ($type == 23) {
212			push @r, [mark => $add, MARK_GRAYED, dec_U8, dec_U8];
213
214			} elsif ($type == 22) {
215	pcg	1.6	push @r, [mark => $add, dec_U8() ? MARK_SMALL_W : MARK_SMALL_B, dec_U8, dec_U8];
216	pcg	1.1
217			} elsif ($type == 21) {
218	pcg	1.8	push @r, [mark => $add, MARK_SQUARE, dec_U8, dec_U8];
219	pcg	1.1
220			} elsif ($type == 20) {
221	pcg	1.8	push @r, [mark => $add, MARK_TRIANGLE, dec_U8, dec_U8];
222	pcg	1.1
223			} elsif ($type == 19) {
224	pcg	1.8	push @r, [mark => $add, MARK_LABEL, dec_U8, dec_U8, dec_ZSTRING];
225			#push @r, [unknown_18 => dec_U8, dec_U32, dec_U32, dec_U8, dec_U32, dec_U32, dec_U32];
226			#push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];
227	pcg	1.1
228			} elsif ($type == 18) {
229	pcg	1.8	push @r, [set_timer => (dec_U8, dec_U32, dec_time)[0,2,1]];
230	pcg	1.1
231			} elsif ($type == 17) {
232	pcg	1.8	push @r, [set_stone => dec_U8, dec_U8, dec_U8];#d#?
233
234			# } elsif ($type == 16) {
235			# push @r, [set_stone => dec_U8, dec_U8, dec_U8];#o#
236	pcg	1.1
237	pcg	1.8	} elsif ($type == 15) {
238			push @r, [mark => $add, MARK_CIRCLE, dec_U8, dec_U8];#d#?
239	pcg	1.1
240			} elsif ($type == 14) {
241	pcg	1.6	push @r, [move => dec_U8, dec_U8, dec_U8];
242	pcg	1.1
243			} elsif (($type >= 4 && $type <= 9)
244			\|\| ($type >= 11 && $type <= 13)
245			\|\| $type == 24) {
246
247			push @r, [({
248			4 => "date",
249			5 => "unknown_comment5",
250	pcg	1.8	6 => "game_id", #?#
251	pcg	1.1	7 => "unknown_comment7",
252			8 => "unknown_comment8",
253			9 => "copyright", #?
254			11 => "unknown_comment11",
255			12 => "unknown_comment12",
256			13 => "unknown_comment13",
257			24 => "comment",
258	pcg	1.6	})->{$type} => dec_ZSTRING];
259	pcg	1.1
260			} elsif ($type == 3) {
261			push @r, [rank => dec_U8, dec_U32];
262
263			} elsif ($type == 2) {
264	pcg	1.6	push @r, [player => dec_U8, dec_ZSTRING];
265	pcg	1.1
266	pcg	1.8	} elsif ($type == 1) {
267			push @r, [sgf_name => dec_ZSTRING];
268
269	pcg	1.1	} elsif ($type == 0) {
270			# as usual, wms finds yet another way to duplicate code... oh well, what a mess.
271			# (no wonder he is so keen on keeping it a secret...)
272
273			push @r, [rules => dec_rules];
274
275			# OLD
276
277			} else {
278	pcg	1.7	require KGS::Listener::Debug; # hack
279	pcg	1.1	print STDERR KGS::Listener::Debug::dumpval(\@r);
280	pcg	1.8	printf "offset: 0x%04x\n", $ofs;
281			open XTYPE, "\|xtype"; print XTYPE $old_data; close XTYPE;
282			warn "unknown tree type $type, PLEASE REPORT and include the game you wanted to watch. thx.";
283	pcg	1.1
284			}
285	pcg	1.8
286	pcg	1.11	#push @{$r[-1]}, offset => sprintf "0x%x", $ofs;#d#
287	pcg	1.8
288	pcg	1.1	}
289	pcg	1.8	# print STDERR KGS::Listener::Debug::dumpval(\@r);#d#
290			# return [];#d#
291	pcg	1.1	\@r;
292			}
293
294			sub enc_TREE {
295			for (@{$_[0]}) {
296			my ($type, @arg) = @$_;
297
298			if ($type eq "add_node") {
299			enc_U8 127;
300			enc_U8 0; # unused?
301			enc_I32 $arg[0];
302
303			} elsif ($type eq "set_node") {
304			enc_U8 126;
305			enc_I32 $arg[0];
306
307			} elsif ($type eq "set_current") {
308			enc_U8 125;
309			enc_I32 $arg[0];
310
311			} elsif ($type eq "movenum") {
312			enc_U8 28;
313	pcg	1.6	enc_ZSTRING $arg[0];
314	pcg	1.1
315			} elsif ($type eq "set_stone") {
316	pcg	1.6	enc_U8 16;
317			enc_U8 $arg[0];
318	pcg	1.1	enc_U8 $arg[1];
319			enc_U8 $arg[2];
320
321			} elsif ($type eq "move") {
322	pcg	1.6	enc_U8 14;
323			enc_U8 $arg[0];
324	pcg	1.1	enc_U8 $arg[1];
325			enc_U8 $arg[2];
326
327			} elsif ($type eq "comment") {
328			enc_U8 24;
329	pcg	1.6	enc_ZSTRING $arg[0];
330
331			} elsif ($type eq "mark") {
332			my $op = ({
333			&MARK_GRAYED => 23,
334			&MARK_SMALL_B => 22,
335			&MARK_SMALL_W => 22,
336	pcg	1.10	&MARK_SQUARE => 21,
337			&MARK_TRIANGLE => 20,
338			&MARK_LABEL => 19,
339			&MARK_CIRCLE => 15,
340	pcg	1.6	})->{$arg[1]};
341
342			enc_U8 $op + ($arg[0] ? 0 : 128);
343			enc_U8 $arg[1] == MARK_SMALL_W if $op == 22;
344			enc_U8 $arg[2];
345			enc_U8 $arg[3];
346
347			enc_ZSTRING $arg[4] if $op == 18;
348	pcg	1.1
349	pcg	1.7	# unknown types
350			} elsif ($type eq "type_29") {
351			enc_U8 29;
352			enc_ZSTRING $arg[0];
353			} elsif ($type eq "type_26") {
354			enc_U8 26;
355			enc_U8 $arg[0];
356
357	pcg	1.1	} else {
358			warn "unable to encode tree node type $type\n";
359			}
360			}
361	pcg	1.6	};
362
363	pcg	1.1	]]>
364
365			#############################################################################
366			# messages
367			<xsl:apply-templates select="descendant::message"/>
368			}
369
370			1;
371			</xsl:template>
372
373			<xsl:template match="type[@type = 'S']">
374			sub dec_<xsl:value-of select="@name"/> {
375			my $res = "";
376			my @r = unpack "v<xsl:value-of select="@length"/> a*", $data;
377			$data = pop @r;
378			for (@r) {
379			last unless $_;
380			$res .= chr $_;
381			}
382			# dump extra data to file for later analysis
383	pcg	1.5	#my $x = pack "v", @r; $x =~ s/^(..)?\x00\x00//s; open DUMP, ">>/root/kgs-dump"; print DUMP $x; close DUMP;#d#
384	pcg	1.1	$res;
385			}
386
387			sub enc_<xsl:value-of select="@name"/> {
388			$data .= pack "v<xsl:value-of select="@length"/>", map ord, split //, $_[0];
389			}
390			</xsl:template>
391
392			<xsl:template match="type[@type = 'A']">
393			sub dec_<xsl:value-of select="@name"/> {
394			(my ($r), $data) = unpack "Z<xsl:value-of select="@length"/> a*", $data; $r;
395			}
396
397			sub enc_<xsl:value-of select="@name"/> {
398	pcg	1.2	$data .= pack "a<xsl:value-of select="@length"/>", $_[0];
399	pcg	1.1	}
400			</xsl:template>
401
402			<xsl:template match="type[@multiplier]">
403			sub dec_<xsl:value-of select="@name"/> {
404			(1 / <xsl:value-of select="@multiplier"/>) * dec_<xsl:value-of select="@type"/>;
405			}
406
407			sub enc_<xsl:value-of select="@name"/> {
408			enc_<xsl:value-of select="@type"/> $_[0] * <xsl:value-of select="@multiplier"/>;
409			}
410			</xsl:template>
411
412			<xsl:template match="member[@array = 'yes']" mode="dec">
413			$r->{<xsl:value-of select="@name"/>} = (my $array = []);
414			while (length $data) {
415			push @$array, dec_<xsl:value-of select="@type"/>
416	pcg	1.3	<xsl:text> </xsl:text>;
417	pcg	1.1	}
418			</xsl:template>
419
420			<xsl:template match="member" mode="dec">
421			$r->{<xsl:value-of select="@name"/>} = dec_<xsl:value-of select="@type"/>
422			<xsl:text> </xsl:text>
423	pcg	1.3	<xsl:value-of select="concat('q\|',@value,'\|')"/>
424	pcg	1.1	<xsl:if test="@guard-cond">
425			if ($r->{<xsl:value-of select="@guard-member"/>} <xsl:value-of select="@guard-cond"/>)</xsl:if>
426			<xsl:text>;</xsl:text>
427			</xsl:template>
428
429			<xsl:template match="member" mode="enc">
430			enc_<xsl:value-of select="@type"/> defined $_[0]{<xsl:value-of select="@name"/>} ? $_[0]{<xsl:value-of select="@name"/>
431			<xsl:text>} : (</xsl:text>
432	pcg	1.3	<xsl:value-of select="concat('q\|',@value,'\|')"/>
433	pcg	1.1	<xsl:text>);</xsl:text>
434			</xsl:template>
435
436			<xsl:template match="struct">
437			sub dec_<xsl:value-of select="@name"/> {
438			my $r = {};
439			<xsl:apply-templates select="member" mode="dec"/>
440			<xsl:if test="@class">
441			bless $r, <xsl:value-of select="@class"/>::;
442			</xsl:if>
443			$r;
444			}
445
446			sub enc_<xsl:value-of select="@name"/> {
447			<xsl:apply-templates select="member" mode="enc"/>
448			}
449			</xsl:template>
450
451			<xsl:template match="message">
452			# <xsl:value-of select="@name"/>
453			$dec_<xsl:value-of select="@src"/>{0x<xsl:value-of select="@type"/>} = sub {
454			$data = $_[0];
455			my $r;
456			$r->{type} = "<xsl:value-of select="@name"/>";
457			<xsl:apply-templates select="member" mode="dec"/>
458			$r;
459			};
460			$enc_<xsl:value-of select="@src"/>{<xsl:value-of select="@name"/>} = sub {
461			$data = "";
462			enc_U16 0x<xsl:value-of select="@type"/>;
463			<xsl:apply-templates select="member" mode="enc"/>
464			$data;
465			};
466			</xsl:template>
467
468			<xsl:template match="text()">
469			</xsl:template>
470
471			</xsl:stylesheet>
472