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|
#! /usr/bin/perl
use strict;
my $year = 2003;
# Usage:
# find ... -exec gpl2mit.pl {} \;
#
# Global constants
my $LGPLHeader1 = qq[ * This program 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
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
];
my $LGPLHeader2 = qq[ * This program 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
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
];
my $MITHeader = qq[ * Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
];
die "You must specify a source file to parse as the first argument."
if ($#ARGV < 0);
my $file = $ARGV[0];
open ORIG, $file ||
die "Could not open file $file for reading.";
# Read in the file
my $contents = "";
while (<ORIG>) {
$contents .= $_;
}
close ORIG;
my $changed = 0;
my $pos = index( $contents, $LGPLHeader1 );
if ($pos >= 0) {
substr( $contents, $pos, length( $LGPLHeader1 ) ) = $MITHeader;
$changed = 1;
}
$pos = index( $contents, $LGPLHeader2 );
if ($pos >= 0) {
substr( $contents, $pos, length( $LGPLHeader2 ) ) = $MITHeader;
$changed = 1;
}
#print STDERR "File $file does not contain a LGPL License.\n" if (!$changed);
if ($contents =~ /^(\s+\*\s+Copyright\s+\(C\)\s+[0-9,-]+\s+.+)$/m) {
my $cpline = "$1";
my $cplineIndex = index( $contents, $cpline );
my $cplineLen = length( $cpline );
$cpline =~ /^\s+\*\s+Copyright\s+\(C\)\s+([^\s]+)\s+.+$/;
my $dates = "$1";
my $datesIndex = index( $cpline, $dates );
my $datesLen = length( $dates );
my $prevyear = $year - 1;
my $yearRE = $year . "\$";
my $prevyearRE = $prevyear . "\$";
if ($dates !~ /$yearRE/) {
if ($dates !~ /$prevyearRE/) {
$dates .= ",$year";
} else {
# comma and dash logic
if ($dates =~ /-$prevyearRE/) {
$dates = s/-$prevyearRE/-$yearRE/;
} else {
# stand-alone date or comma then date
$dates .= "-$year";
}
}
# replace the copyright
substr( $cpline, $datesIndex, $datesLen ) = $dates;
substr( $contents, $cplineIndex, $cplineLen ) = $cpline;
$changed = 1;
}
# else copyright is up-to-date
}
if ($changed) {
open ORIG, ">".$file ||
die "Could not open file $file for writing.";
print ORIG $contents;
close ORIG;
}
|
