aboutsummaryrefslogtreecommitdiffstats
path: root/epan/wslua/make-init-lua.pl
blob: 328dd9fc920a013adbcc1c68b0013b41d492848f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
#!/usr/bin/perl
#
# make-init-lua.pl
#
# create the init.lua file based on a template (stdin)
#
# (c) 2006, Luis E. Garcia Onatnon <luis@ontanon.org>
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 2004 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

use strict;

my $WSROOT = shift;

die "'$WSROOT' is not a directory" unless -d $WSROOT;

my $wtap_encaps_table = '';
my $wtap_filetypes_table = '';
my $wtap_commenttypes_table = '';
my $ft_types_table = '';
my $wtap_presence_flags_table = '';
my $bases_table = '';
my $encodings = '';
my $expert_pi = '';
my $expert_pi_tbl = '';
my $expert_pi_severity = '';
my $expert_pi_group = '';
my $menu_groups = '';

my %replacements = %{{
    WTAP_ENCAPS => \$wtap_encaps_table,
    WTAP_FILETYPES => \$wtap_filetypes_table,
    WTAP_COMMENTTYPES => \$wtap_commenttypes_table,
    FT_TYPES => \$ft_types_table,
    WTAP_PRESENCE_FLAGS => \$wtap_presence_flags_table,
    BASES => \$bases_table,
    ENCODINGS => \$encodings,
    EXPERT => \$expert_pi,
    EXPERT_TABLE => \$expert_pi_tbl,
    MENU_GROUPS => \$menu_groups,
}};


#
# load template
#
my $template = '';
my $template_filename = shift;

open TEMPLATE, "< $template_filename" or die "could not open '$template_filename':  $!";
$template .= $_ while(<TEMPLATE>);
close TEMPLATE;

#
# Extract values from wiretap/wtap.h:
#
#   WTAP_FILE_  values
#	WTAP_ENCAP_ values
#   WTAP_HAS_   values
#

$wtap_encaps_table = "-- Wiretap encapsulations XXX\nwtap_encaps = {\n";
$wtap_filetypes_table = "-- Wiretap file types\nwtap_filetypes = {\n";
$wtap_commenttypes_table = "-- Wiretap file comment types\nwtap_comments = {\n";
$wtap_presence_flags_table = "-- Wiretap presence flags\nwtap_presence_flags = {\n";

open WTAP_H, "< $WSROOT/wiretap/wtap.h" or die "cannot open '$WSROOT/wiretap/wtap.h':  $!";

while(<WTAP_H>) {
    if ( /^#define WTAP_ENCAP_([A-Z0-9_]+)\s+(-?\d+)/ ) {
        $wtap_encaps_table .= "\t[\"$1\"] = $2,\n";
    }

    # this has to catch both file types and timestamp precision defines (yuck)
    if ( /^#define WTAP_FILE_(?:TYPE_SUBTYPE_)?([A-Z0-9_]+)\s+(\d+)/ ) {
        $wtap_filetypes_table .= "\t[\"$1\"] = $2,\n";
    }

    if ( /^#define WTAP_COMMENT_([A-Z0-9_]+)\s+(0x\d+)/ ) {
        $wtap_commenttypes_table .= "\t[\"$1\"] = $2,\n";
    }

    if ( /^#define WTAP_HAS_([A-Z0-9_]+)\s+(0x\d+)\s+\/\*\*<([^\*]+)\*\// ) {
        my $num = hex($2);
        $wtap_presence_flags_table .= "\t[\"$1\"] = $num,  --$3\n";
    }
}

$wtap_encaps_table =~ s/,\n$/\n}\nwtap = wtap_encaps -- for bw compatibility\n/msi;
$wtap_filetypes_table =~ s/,\n$/\n}\n/msi;
$wtap_commenttypes_table =~ s/,\n$/\n}\n/msi;
# wtap_presence_flags_table has comments at the end (not a comma),
# but Lua doesn't care about extra commas so leave it in
$wtap_presence_flags_table =~ s/\n$/\n}\n/msi;

#
# Extract values from epan/ftypes/ftypes.h:
#
#	values from enum fttype
#

$ft_types_table = " -- Field Types\nftypes = {\n";

my $ftype_num = 0;

open FTYPES_H, "< $WSROOT/epan/ftypes/ftypes.h" or die "cannot open '$WSROOT/epan/ftypes/ftypes.h':  $!";
while(<FTYPES_H>) {
    if ( /^\s+FT_([A-Z0-9a-z_]+)\s*,/ ) {
        $ft_types_table .= "\t[\"$1\"] = $ftype_num,\n";
        $ftype_num++;
    }
}
close FTYPES_H;

$ft_types_table =~ s/,\n$/\n}\n/msi;

#
# Extract values from epan/proto.h:
#
#	values from enum base
#	#defines for encodings and expert group and severity levels
#

$bases_table        = "-- Display Bases\n base = {\n";
$encodings          = "-- Encodings\n";
$expert_pi          = "-- Expert flags and facilities (deprecated - see 'expert' table below)\n";
$expert_pi_tbl      = "-- Expert flags and facilities\nexpert = {\n";
$expert_pi_severity = "\t-- Expert severity levels\n\tseverity = {\n";
$expert_pi_group    = "\t-- Expert event groups\n\tgroup = {\n";

open PROTO_H, "< $WSROOT/epan/proto.h" or die "cannot open '$WSROOT/epan/proto.h':  $!";

my $in_severity = 0;
my $prev_comment;
my $skip_this = 0;

while(<PROTO_H>) {
    $skip_this = 0;

    if (/^\s+BASE_([A-Z_]+)[ ]*=[ ]*([0-9]+),/ ) {
        $bases_table .= "\t[\"$1\"] = $2,\n";
    }

    if (/^.define\s+PI_SEVERITY_MASK /) {
        $in_severity = 1;
        $skip_this = 1;
    }

    if (/^.define\s+PI_GROUP_MASK /) {
        $in_severity = 2;
        $skip_this = 1;
    }

    if ($in_severity && /\/\*\* (.*?) \*\//) {
        $prev_comment = $1;
    }

    if ( /^.define\s+(PI_([A-Z_]+))\s+((0x)?[0-9A-Fa-f]+)/ ) {
        my ($name, $abbr, $value) = ($1, $2, hex($3));
        # I'm keeping this here for backwards-compatibility
        $expert_pi .= "$name = $value\n";

        if (!$skip_this && $in_severity == 1) {
            $expert_pi_severity .= "\t\t-- $prev_comment\n";
            $expert_pi_severity .= "\t\t\[\"$abbr\"\] = $value,\n";
        }
        elsif (!$skip_this && $in_severity == 2) {
            $expert_pi_group .= "\t\t-- $prev_comment\n";
            $expert_pi_group .= "\t\t\[\"$abbr\"\] = $value,\n";
        }
    }

    if ( /^.define\s+(ENC_[A-Z0-9_]+)\s+((0x)?[0-9A-Fa-f]+)/ ) {
        my ($name, $value) = ($1, hex($2));
        $encodings .= "$name = $value\n";
    }
}
close PROTO_H;

#
# Extract values from stat_menu.h:
#
#	MENU_X_X values for register_stat_group_t
#

$menu_groups .= "-- menu groups for register_menu\n";
my $menu_i = 0;

open STAT_MENU, "< $WSROOT/stat_menu.h" or die "cannot open '$WSROOT/stat_menu.h':  $!";
my $foundit = 0;
while(<STAT_MENU>) {
    # need to skip matching words in comments, and get to the enum
    if (/^typedef enum {/) { $foundit = 1; }
    # the problem here is we need to pick carefully, so we don't break existing scripts
    if ($foundit && /REGISTER_([A-Z]+)_GROUP_(CONVERSATION|RESPONSE|ENDPOINT|[A-Z_]+)/) {
        $menu_groups .= "MENU_$1_$2 = $menu_i\n";
        $menu_groups =~ s/_NONE//;
        $menu_i++;
    }
}
close STAT_MENU;


$bases_table .= "}\n\n";
$encodings .= "\n\n";
$expert_pi .= "\n";
$expert_pi_severity .= "\t},\n";
$expert_pi_group .= "\t},\n";
$expert_pi_tbl .= $expert_pi_group . $expert_pi_severity . "}\n\n";

for my $key (keys %replacements) {
    $template =~ s/%$key%/${$replacements{$key}}/msig;
}


print $template;