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#!/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>
#
# $Id$
#
# 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 $ft_types_table = '';
my $bases_table = '';
my $encodings = '';
my $expert_pi = '';
my $menu_groups = '';
my %replacements = %{{
WTAP_ENCAPS => \$wtap_encaps_table,
WTAP_FILETYPES => \$wtap_filetypes_table,
FT_TYPES => \$ft_types_table,
BASES => \$bases_table,
ENCODINGS => \$encodings,
EXPERT => \$expert_pi,
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_encaps_table = "-- Wiretap encapsulations XXX\nwtap_encaps = {\n";
$wtap_filetypes_table = "-- Wiretap file types\nwtap_filetypes = {\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";
}
if ( /^#define WTAP_FILE_TYPE_SUBTYPE_([A-Z0-9_]+)\s+(\d+)/ ) {
$wtap_filetypes_table .= "\t[\"$1\"] = $2,\n";
}
}
$wtap_encaps_table =~ s/,\n$/\n}\nwtap = wtap_encaps -- for bw compatibility\n/msi;
$wtap_filetypes_table =~ s/,\n$/\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\n";
open PROTO_H, "< $WSROOT/epan/proto.h" or die "cannot open '$WSROOT/epan/proto.h': $!";
while(<PROTO_H>) {
if (/^\s+BASE_([A-Z_]+)[ ]*=[ ]*([0-9]+),/ ) {
$bases_table .= "\t[\"$1\"] = $2,\n";
}
if ( /^.define\s+(PI_[A-Z_]+)\s+((0x)?[0-9A-Fa-f]+)/ ) {
my ($name, $value) = ($1, hex($2));
$expert_pi .= "$name = $value\n";
}
if ( /^.define\s+(ENC_[A-Z0-9_]+)\s+((0x)?[0-9A-Fa-f]+)/ ) {
my ($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|[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\n";
for my $key (keys %replacements) {
$template =~ s/%$key%/${$replacements{$key}}/msig;
}
print $template;
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