forked from osmocom/wireshark
107 lines
3.1 KiB
Perl
107 lines
3.1 KiB
Perl
#!/usr/bin/perl
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#
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# a function that prints a complex variable such that the output is a
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# valid perl representation of that variable (does not handle blessed objects)
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#
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# (c) 2002, Luis E. Garcia Ontanon <luis@ontanon.org>
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#
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# $Id$
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#
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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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# Copyright 2004 Gerald Combs
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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package V2P;
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use strict;
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my $_v2p_columns = 120;
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sub var2perl { # converts a complex variable reference into perl code
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__v2p(0,@_);
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}
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sub __v2p {
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my $d = shift ;
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my $i = '';
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my $buf = '';
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if ( $d gt 0) {
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$i .= " " for (0..$d);
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}
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if (scalar @_ <= 1) {
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my $what = ref $_[0];
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#~ print "! $_[0] '$what'\n";
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if ( $what ) {
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if ($what eq 'ARRAY') {
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$buf .= "[\n";
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$buf .= "$i " . __v2p($d+1,$_) . ",\n" for (@{$_[0]});
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$buf =~ s/,\n$//msi;
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$buf .= "\n$i]\n";
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}
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elsif ($what eq 'HASH') {
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$buf .= "{\n";
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$buf .= "$i " . __v2p($d+1,$_) . " =>" . __v2p($d+1,${$_[0]}{$_}) . ",\n" for (keys %{$_[0]});
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$buf =~ s/,\n$//msi;
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$buf .= "\n$i}\n";
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}
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elsif ($what eq 'SCALAR') {
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$buf .= "\\" . __v2p($d+1,$_[0]);
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}
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elsif ($what eq 'REF') {
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$buf .= "\\" . __v2p($d+1,\$_);
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}
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elsif ($what eq 'GLOB') {
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$buf .= "*" . __v2p($d+1,\$_);
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}
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elsif ($what eq 'LVALUE') {
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$buf .= 'lvalue';
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}
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elsif ($what eq 'CODE') {
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$buf .= 'sub { "sorry I cannot do perl code"; }';
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}
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else {
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$buf .= "what's '$what'?";
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}
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} else {
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return "undef" unless defined $_[0];
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return "''" if $_[0] eq '';
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return "'$_[0]'" unless $_[0]=~ /^[0-9]+[\.][0-9]*?$/
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or $_[0]=~ /^[0-9]+$/
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or $_[0]=~ /^[0-9]*[\.][0-9]+?$/;
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return $_[0];
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}
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} else {
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$buf = $i . "( ";
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$buf .= "$i , " . __v2p($d+1,$_) for (@_);
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$buf .= " )\n";
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$buf =~ s/^\( , /\( /;
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}
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$buf =~ s/\n,/,/msg;
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if (length $buf < $_v2p_columns) {
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$buf =~ s/\n//msg;
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$buf =~ s/$i//msg;
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$buf = $i . $buf;
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}
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return $buf;
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}
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1;
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