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#!/usr/bin/perl -w
# Copyright (C) 2014 Intel Corporation
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use warnings;
use Intel::IviPoc::DbcGrammar;
use Intel::IviPoc::AmbCommon;
use File::Basename;
use File::Spec;
use Cwd;
use JSON;
=head1 NAME
dbc2json - Vector CANdb++ to JSON file format converter.
=head1 SYNOPSIS
B<dbc2json> I<infile> [ I<outfile> ]
=head1 DESCRIPTION
Part of Automotive Message Broker Signal Mapper tool.
B<dbc2json> converts file in Vector CANdb++ format to intermediate JSON file.
Intermediate file is used to format and annotate raw data from CANDb++ file into format suitable for AMB plugin creation.
=head1 OPTIONS
=over 4
=item I<infile>
Input I<infile> file in Vector CANdb++ (*.dbc) format.
=item [ I<outfile> ]
Target output I<outfile> file converted to JSON, otherwise created in current directory.
=back
=head1 FILES
=over 4
=back
=head1 REQUIRES
Perl 5.006, Intel::IviPoc::DbcGrammar, File::Basename, File::Spec, Cwd, JSON
=head1 SEE ALSO
perl(1), json2amb(1)
=cut
local $/;
# get total arg passed to this script
my $total = $#ARGV + 1;
if ( $total < 1 or $total > 2) {
# get script name and print usage
my $scriptname = $0;
&printUsage($scriptname);
exit;
}
# First parameter is input file
my $inputfilename = $ARGV[0];
my $text = &readFileContent($inputfilename);
# Second optional parameter is output file
my $outputfilename = '';
if ( $total == 1 ) {
my ($infilename, $indirectories, $insuffix) = fileparse($inputfilename, qr/\.[^.]*/);
my $targetDir = getcwd;
$outputfilename = File::Spec->catfile( ($targetDir), $infilename . '.json' );
} else {
$outputfilename = $ARGV[1];
}
# We add one space if there is something like ""ReceiverId to get "" ReceiverId
$text =~ s/"(.*)"(\w*)/"$1" $2/g;
#Create parser
my $parser = new Intel::IviPoc::DbcGrammar;
# Print wait info for user
&printWait($inputfilename, $outputfilename);
# Parse input file and generate json
my $result;
$result = $parser->DbcOutput($text);
my %jsonroot = %{$result};
# Get the filename without path and extension and set it as pluginName
my ($outfilename, $outdirectories, $outsuffix) = fileparse($outputfilename, qr/\.[^.]*/);
$jsonroot{'pluginName'} = $outfilename;
# Now just spit the JSON out
my $json = JSON->new;
$json = $json->utf8;
my $json_text = $json->pretty->encode( \%jsonroot );
open (my $fho, '>', $outputfilename)
or die "Can't create filehandle: $!";
binmode($fho, ":utf8");
print { $fho } $json_text;
if ( $total == 1 or $total == 2 ) {
# close current output file
close($fho);
}
# Finnish
exit;
=head2 printWait
Prints out wait information
=cut
sub printWait {
print STDERR ("\n");
print STDERR ("Processing input file:\n");
print STDERR (" $_[0]\n");
print STDERR ("Generating output file:\n");
print STDERR (" $_[1]\n");
print STDERR ("\n");
print STDERR ("This operation may take some while. Please wait...\n");
print STDERR ("\n");
print STDERR ("\n");
}
=head2 printUsage
Prints out basic usage help
=cut
sub printUsage {
my $scriptname=$_[0];
print STDERR ("$scriptname\n");
print STDERR ("Usage: dbc2json infile [outfile]\n");
print STDERR (" infile Input dbc file\n");
print STDERR (" outfile File (optional) converted to json,\n");
print STDERR (" otherwise created in current directory.\n");
print STDERR ("\n");
}
=head1 AUTHOR
IntelIVIPoc, C<< <ivipoc at intel.com> >>
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc dbc2json
=head1 ACKNOWLEDGEMENTS
=head1 LICENSE AND COPYRIGHT
Copyright (C) 2014 Intel Corporation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
=cut
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