rev 9219 - in people/modax: . copyright-helper copyright-helper/trunk copyright-helper/trunk/licenses copyright-helper/trunk/parsers
Modestas Vainius
modax-guest at alioth.debian.org
Fri Feb 1 20:20:53 UTC 2008
Author: modax-guest
Date: 2008-02-01 20:20:53 +0000 (Fri, 01 Feb 2008)
New Revision: 9219
Added:
people/modax/copyright-helper/
people/modax/copyright-helper/tags/
people/modax/copyright-helper/trunk/
people/modax/copyright-helper/trunk/CHCopyright.pm
people/modax/copyright-helper/trunk/CHCore.pm
people/modax/copyright-helper/trunk/CHLicenses.pm
people/modax/copyright-helper/trunk/CHParsers.pm
people/modax/copyright-helper/trunk/COPYING
people/modax/copyright-helper/trunk/copyright-helper.pl
people/modax/copyright-helper/trunk/licenses/
people/modax/copyright-helper/trunk/licenses/gnugpl.pm
people/modax/copyright-helper/trunk/parsers/
people/modax/copyright-helper/trunk/parsers/c_cpp.pm
people/modax/copyright-helper/trunk/parsers/dir_copying.pm
people/modax/copyright-helper/trunk/parsers/po.pm
Log:
I'm commiting my 'copyright-helper' here (v0.1). Though it's not strictly kde related, it might be helpful to generate good copyright files. Sorry for a bit of noise.
Added: people/modax/copyright-helper/trunk/CHCopyright.pm
===================================================================
--- people/modax/copyright-helper/trunk/CHCopyright.pm (rev 0)
+++ people/modax/copyright-helper/trunk/CHCopyright.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,414 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHCopyright;
+use strict;
+use encoding "utf8";
+use utf8;
+
+sub isUcFirst($) {
+ my $str = shift;
+ return $str eq ucfirst($str);
+}
+
+sub isLcFirst($) {
+ my $str = shift;
+ return $str eq lcfirst($str);
+}
+
+sub CHCopyright::Author::new {
+ my $self = {
+ "names" => [],
+ "email" => "",
+ "years" => [],
+ "nameClosed" => 0,
+ "yearsClosed" => 0,
+ "autoYears" => 0,
+ "otherWords" => [],
+ };
+ return bless($self, $_[0]);
+}
+
+sub CHCopyright::Author::addName($$) {
+ my ($self, $name) = @_;
+ my $names = $self->{'names'};
+ my $prevName = (scalar(@$names) > 0) ? $names->[ scalar(@$names)-1 ] : "";
+
+ # It's logical to assume that firstname and
+ # lastname should start with a uppercase letter.
+ # There are exceptions (e.g middle names). So treat
+ # anything between two strings starting with
+ # uppercase as part of the full name as well.
+ my $closeName = $prevName && $name && isUcFirst($name) && isLcFirst($prevName);
+ if (!$closeName && ($name =~ m/(.*?)[,]+$/)) {
+ # If the name ends with a comma (,), close it
+ $name = $1;
+ $closeName = 1;
+ }
+
+ # Some words which should never be part of the name and act
+ # as separators
+ if (scalar(@$names) > 0 && ($name =~ m/^(and|by|[&])$/)) {
+ $self->closeName();
+ return 0;
+ }
+
+ if ($closeName) {
+ $self->closeName();
+ }
+
+ push @$names , $name;
+ return 1;
+}
+
+sub CHCopyright::Author::isNameClosed($) {
+ $_[0]->{'nameClosed'}
+}
+
+sub CHCopyright::Author::closeName($) {
+ $_[0]->{nameClosed} = 1 if ($_[0]->{names})
+}
+
+sub CHCopyright::Author::getFullName($) {
+ return join(" ", @{$_[0]->{names}})
+}
+
+sub CHCopyright::Author::addOtherWord($$) {
+ push @{$_[0]->{otherWords}}, $_[1];
+}
+
+sub CHCopyright::Author::getEmail($) {
+ return $_[0]->{email};
+}
+
+sub CHCopyright::Author::setEmail($$) {
+ return $_[0]->{email} = $_[1];
+}
+
+sub CHCopyright::Author::addYear($$) {
+ my ($self, $year) = @_;
+ if ($self->{autoYears}) {
+ # Replace years
+ $self->{years} = [ $year ];
+ $self->{autoYears} = 0;
+ } else {
+ push @{$self->{years}}, $year;
+ }
+}
+
+sub CHCopyright::Author::getAllYears($) {
+ return join(", ", @{$_[0]->{years}})
+}
+
+sub CHCopyright::Author::getYears($) {
+ return shift->{years};
+
+}
+
+sub CHCopyright::Author::closeYears($) {
+ $_[0]->{yearsClosed} = 1;
+}
+
+sub CHCopyright::Author::isYearsClosed($) {
+ $_[0]->{yearsClosed};
+}
+
+sub CHCopyright::Author::isComplete($) {
+ my ($self) = @_;
+ return (@{$self->{names}} && $self->{email}) ||
+ (@{$self->{names}} && @{$self->{years}});
+}
+
+sub CHCopyright::Author::complete($) {
+ my ($self) = @_;
+ my $names = $self->{names};
+ my $otherWords = $self->{otherWords};
+
+ # Count lowercase and uppercase names
+ my $lcount = 0;
+ my $ucount = 0;
+ my $dcount = 0;
+ for my $n (@$names) {
+ if (isUcFirst($n)) {
+ $ucount++; # non-word characters go here too
+ # Increate "dot count" if the name ends with a dot.
+ $dcount++ if ($n =~ /\.$/);
+ } else {
+ $lcount++;
+ }
+ }
+
+ if (!@$names && @$otherWords) {
+ # Assume the author was a bit lazy and wrote his
+ # firstname/lastname/nickname starting with a
+ # lowercase letter. Credit him anyway
+ $self->{names} = $self->{otherWords};
+ } elsif ($lcount > 2 || $lcount >= $ucount) {
+ # Then probably this name is not a real name
+ $self->{names} = [];
+ } else {
+ # Drop words starting with a lowercase letter
+ # from the end of the names array
+ my $i = scalar(@$names) - 1;
+ for (; $i >= 0 && isLcFirst($$names[$i]); $i--) {;}
+ my @newArray = splice(@$names, 0, $i+1);
+ $self->{names} = \@newArray;
+ }
+
+ if ($ucount == $dcount && !$self->getEmail() &&
+ (!@{$self->{years}} || $self->{autoYears})) {
+ # Something is wrong, drop this name
+ $self->{names} = [];
+ }
+}
+
+sub CHCopyright::Author::initializeBasedOn($$) {
+ my ($self, $author) = @_;
+ $self->{years} = $author->{years};
+ $self->{autoYears} = 1;
+}
+
+
+sub CHCopyright::Author::toString($) {
+ my ($self) = @_;
+ if ($self->getEmail()) {
+ return sprintf "Copyright ©: %s <%s> %s", $self->getFullName(), $self->getEmail() , $self->getAllYears();
+ } else {
+ return sprintf "Copyright ©: %s %s", $self->getFullName(), $self->getAllYears();
+ }
+}
+
+sub __cmpArrays(\@\@&) {
+ my ($a1, $a2, $func) = @_;
+ if ((my $count = scalar(@$a1)) == scalar(@$a2)) {
+ for (my $i = 0; $i < $count; $i++) {
+ return 0 unless (&$func($$a1[$i], $$a2[$i]));
+ }
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+sub CHCopyright::Author::equals($$) {
+ my ($self, $other) = @_;
+
+ if ($other->isa(ref $self)) {
+ return $self->getEmail() eq $other->getEmail() &&
+ __cmpArrays(@{$self->{names}}, @{$other->{names}}, sub { $_[0] eq $_[1] }) &&
+ __cmpArrays(@{$self->{years}}, @{$other->{years}}, sub { $_[0] eq $_[1] });
+ } else {
+ return 0;
+ }
+}
+
+########################### AuthorCollection ###################################
+sub CHCopyright::AuthorCollection::new {
+ my $self = {
+ "authors" => [ new CHCopyright::Author ],
+ "lastAddition" => "",
+ };
+ return bless($self, $_[0]);
+}
+
+sub CHCopyright::AuthorCollection::getAuthors($) {
+ $_[0]->{authors};
+}
+
+sub CHCopyright::AuthorCollection::getLastAddition($) {
+ return $_[0]->{lastAddition};
+}
+
+sub CHCopyright::AuthorCollection::setLastAddition($$) {
+ my ($self, $newAddition) = @_;
+ my $oldAddition = $self->getLastAddition();
+
+ if ($oldAddition eq "name" && $newAddition ne "name") {
+ my $author = $self->getCurrentByField("nameClosed");
+ $author->closeName() if ($author);
+ } elsif ($oldAddition eq "year" && $newAddition ne "year") {
+ $self->closeYears();
+ }
+
+ $self->{lastAddition} = $newAddition;
+}
+
+sub CHCopyright::AuthorCollection::getAuthorCount($) {
+ return scalar(@{$_[0]->{authors}});
+}
+
+sub CHCopyright::AuthorCollection::getCurrentByField($$) {
+ my ($self, $field) = @_;
+ for my $a (@{$self->{authors}}) {
+ return $a if (!$a->{$field});
+ }
+ return 0;
+}
+
+sub CHCopyright::AuthorCollection::getLastAuthor($) {
+ return $_[0]->{authors}->[ $_[0]->getAuthorCount()-1 ];
+}
+
+sub CHCopyright::AuthorCollection::addNewAuthor($$) {
+ my ($self, $forceInit) = @_;
+ my $newAuthor = new CHCopyright::Author;
+ my $lastAuthor = $self->getLastAuthor();
+
+ $newAuthor->initializeBasedOn($lastAuthor);
+ push @{$self->{authors}}, $newAuthor;
+ return $newAuthor;
+}
+
+sub CHCopyright::AuthorCollection::addName($$) {
+ my ($self, $name) = @_;
+ my $author = $self->getCurrentByField("nameClosed");
+
+ $author = $self->addNewAuthor() unless ($author);
+ $author->addName($name);
+
+ $self->setLastAddition("name");
+}
+
+sub CHCopyright::AuthorCollection::addOtherWord($$) {
+ my ($self, $word) = @_;
+ my $author = $self->getCurrentByField("nameClosed");
+
+ $author = $self->addNewAuthor() unless ($author);
+ $author->addOtherWord($word);
+}
+
+sub CHCopyright::AuthorCollection::addEmail($$) {
+ my ($self, $email) = @_;
+ my $author = $self->getCurrentByField("email");
+
+ $author = $self->addNewAuthor() unless ($author);
+ $author->setEmail($email);
+
+ $self->setLastAddition("email");
+}
+
+
+sub CHCopyright::AuthorCollection::addYear($$) {
+ my ($self, $year) = @_;
+
+ for my $a (@{$self->{authors}}) {
+ $a->addYear($year) if (!$a->isYearsClosed());
+ }
+
+ $self->setLastAddition("year");
+}
+
+sub CHCopyright::AuthorCollection::closeYears($) {
+ my ($self) = @_;
+ for my $a (@{$self->{authors}}) {
+ return $a->closeYears() if ($a->{years});
+ }
+}
+
+sub CHCopyright::AuthorCollection::complete($) {
+}
+
+sub __process_copyright_statement(\@$$) {
+ my ($results, $p, $uniqOnly) = @_;
+
+ # Initialize author collection
+ my $authorCollection = new CHCopyright::AuthorCollection;
+ my $is_name = 0;
+
+ my @words = split(/[\s]+/, $p);
+ for (my $i = 0; $i <= $#words; $i++) {
+ my $w = $words[$i];
+
+ if ($w =~ m/^([0-9-]{2,})\W?$/) {
+ # Then probably it's a year
+ $authorCollection->addYear($1);
+ $is_name = 0;
+ } else {
+ if ($w =~ m/@/) {
+ $w =~ m/^<?([^>]*)>?/;
+ $w = $1;
+
+ # Then probably it's an e-mail address
+ $authorCollection->addEmail($w);
+ $is_name = 0;
+ } elsif (($w =~ m/\w/) && isUcFirst($w)) { # if has any word chars and start with an uppercase
+ $authorCollection->addName($w);
+ $is_name = 1;
+ } elsif ($is_name) {
+ $authorCollection->addName($w);
+ } else {
+ $authorCollection->addOtherWord($w);
+ }
+ }
+ }
+
+nextAuthor:
+ for my $author (@{$authorCollection->getAuthors()}) {
+ $author->complete();
+ if ($author->isComplete()) {
+ if ($uniqOnly) {
+ for my $a (@$results) {
+ next nextAuthor if ($a->equals($author));
+ }
+ }
+ push (@$results, $author) if ($author->isComplete());
+ }
+ }
+# push (@$results, @{$authorCollection->getAuthors()});
+}
+
+sub getCopyright(\@$$) {
+ my ($results, $p, $separator) = @_;
+
+ use bytes; # That's an ugly workaround for perl to recognize ©
+ $separator = qr/copyright|\(C\)\s*|©\s*/i if (!$separator);
+
+ # Copyright statement usually starts with Copyright or (C)
+ my @copyrights = split($separator, $p);
+ if (scalar(@copyrights) > 1) {
+ for my $c (@copyrights) {
+ next if ($c =~ m/^\s*$/);
+
+ __process_copyright_statement(@$results, $c, 0);
+ }
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+sub getFuzzyCopyright(\@$) {
+ my ($results, $p) = @_;
+
+ if (($p =~ /\W\d{4}\W/) && ($p =~ /@/)) {
+ my @sentenses = split(/\s*\.\s+/, $p);
+ for my $s (@sentenses) {
+ $s =~ s/copyright\s*|\(C\)\s*//i;
+
+ # Count words starting with a upper case letter
+ my @words = split(/\s+/, $s);
+ my $count = 0;
+ for my $w (@words) {
+ $count++ if (($w =~ m/\w/) && isUcFirst($w));
+ }
+ if ($count >= 2) {
+ # OK. Treat it like copyright statement then
+ __process_copyright_statement(@$results, $s, 1);
+ }
+ }
+ }
+}
+
+1;
Added: people/modax/copyright-helper/trunk/CHCore.pm
===================================================================
--- people/modax/copyright-helper/trunk/CHCore.pm (rev 0)
+++ people/modax/copyright-helper/trunk/CHCore.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,785 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHCore;
+use strict;
+use encoding "utf8";
+use utf8;
+
+ at CHCore::Directory::ISA = qw( CHCore::File );
+
+#use CHParsers("fileparsers/*");
+#use CHLicenses("licenses/*");
+#use CHCopyright;
+
+sub CHCore::File::new($$$) {
+ my ($cls, $directory, $filename) = @_;
+ my $self = {
+ "name" => $filename,
+ "directory" => $directory,
+ "license" => 0,
+ "copyrights" => [],
+ "depth" => 0,
+ };
+ $self->{depth} = ($directory->getDepth() + 1) if ($directory);
+ return bless($self, shift);
+}
+
+sub CHCore::File::isDirectory($) {
+ return 0;
+}
+
+sub CHCore::File::getFilename($) {
+ shift()->{name};
+}
+
+sub CHCore::File::getPath($) {
+ my $self = shift;
+ my $dir = $self->getDirectory();
+ return ($dir) ?
+ sprintf("%s/%s", $dir->getPath(), $self->getFilename()) :
+ $self->getFilename();
+}
+
+sub CHCore::File::getPathWithoutRoot($) {
+ my $self = shift;
+ my $dir = $self->getDirectory();
+ if ($dir) {
+ my $path = $dir->getPathWithoutRoot();
+ return ($path) ?
+ sprintf("%s/%s", $path, $self->getFilename()) :
+ $self->getFilename();
+ } else {
+ return ($self->isDirectory()) ? "" : $self->getFilename();
+ }
+}
+
+sub CHCore::File::getDirectory($) {
+ $_[0]->{directory};
+}
+
+sub CHCore::File::getDepth($) {
+ $_[0]->{depth};
+}
+
+sub CHCore::File::getCopyrights($) {
+ $_[0]->{copyrights};
+}
+
+sub CHCore::File::getLicense($) {
+ $_[0]->{license};
+}
+
+sub CHCore::File::inherit($$) {
+ my ($self, $parent) = @_;
+ $parent = $self->getDirectory() if (!$parent);
+
+ if ($parent) {
+ $self->{license} = $parent->{license};
+ $self->{copyrights} = $parent->{copyrights};
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+sub CHCore::File::isInherited($$) {
+ my ($self, $field) = @_;
+ my $myf = $self->{$field};
+ my $parentf = ($self->getDirectory()) ? $self->getDirectory()->{$field} : 0;
+
+ return (((ref $myf eq 'ARRAY') ? @$myf : $myf) && $parentf && $myf == $parentf);
+}
+
+sub CHCore::File::isInheritedStr($$) {
+ my ($self, $field) = @_;
+ return ($self->isInherited($field)) ? " (implicit)" : "";
+}
+
+sub CHCore::File::scan($) {
+ my $self = shift;
+ my $name = $self->getFilename();
+ my $path = $self->getPath();
+
+ # Inherit from parent directory
+ $self->inherit(0);
+
+ open(FILE, "<$path") or return -1;
+
+ my $fh = *FILE;
+ my ($parser, $arg) = CHParsers::get_parser($name, $fh);
+ return 0 unless ($parser && $arg);
+
+ # Extract comments from file and split text to paragraphs
+ my @comments = $parser->filter($arg);
+ my @parags = $parser->toParagraphs(\@comments);
+
+ close FILE;
+
+ #my $i = 0;
+ #for my $c (@comments) {
+ # $i++;
+ # print "Parag $i |", $c, "\n";
+ #}
+
+ # Get copyright holders
+ my @copyrights = $parser->getCopyrights(\@parags);
+ my $license = $parser->getLicense(\@parags);
+
+ # Save our discoveries if there are any
+ $self->{copyrights} = \@copyrights if (@copyrights);
+ $self->{license} = $license if ($license);
+
+ return 1;
+}
+
+sub CHCore::File::isParsed($) {
+ my $self = shift;
+ return (@{$self->{copyrights}} || $self->{license});
+}
+
+sub CHCore::File::printDepth($) {
+ print " " x (shift()->getDepth() * 4);
+}
+
+sub CHCore::File::printCopyrights($) {
+ my $self = shift;
+ my $copyrights = $self->{copyrights};
+ for my $cr (@$copyrights) {
+ $self->printDepth();
+ print " ", $cr->toString(), $self->isInheritedStr("copyrights"), "\n";
+ }
+}
+
+sub CHCore::File::printLicense($) {
+ my $self = shift;
+ my $license = $self->{license};
+ if ($license && $license->isValid()) {
+ $self->printDepth();
+ print " License: ", $license->getFullLicenseString(), $self->isInheritedStr("license"), "\n";
+# my @text = $license->getNiceFoundInText(68);
+# for my $t (@text) {
+# $self->printDepth();
+# print " # ", $t, "\n";
+# }
+ }
+}
+
+sub CHCore::File::printAll($) {
+ my $self = shift;
+
+ $self->printDepth();
+ if ($self->isDirectory()) {
+ print "+++ ", $self->getFilename(), "/: ";
+ } else {
+ print $self->getFilename(), ": ";
+ }
+ if ($self->isParsed()) {
+ print "\n";
+ $self->printCopyrights();
+ $self->printLicense();
+ } else {
+ print "-\n";
+ }
+}
+
+sub CHCore::File::cmpByFilename($$) {
+ return shift()->getFilename() cmp shift()->getFilename();
+}
+
+sub CHCore::File::cmpByPath($$) {
+ return shift()->getPathWithoutRoot() cmp shift()->getPathWithoutRoot();
+}
+
+sub CHCore::File::getCopyrightSummaries($) {
+ my $copyrights = { };
+ my $self = shift;
+
+ my $count = $self->__createCopyrightSummary($copyrights);
+ my @values = values(%$copyrights);
+
+ return (\@values, $count);
+}
+
+sub CHCore::File::__createCopyrightSummary($\%) {
+ my ($self, $copyrights) = @_;
+ my $count = 0;
+
+mainloop:
+ for my $author (@{$self->getCopyrights()}) {
+ my $summary = $copyrights->{ $author->getFullName() };
+
+ # Try finding a similar one
+ if ($summary) {
+ # Add author
+ $count += $summary->addAuthor($author, $self);
+ } else {
+ for $summary (values(%$copyrights)) {
+ # Added
+ if ($summary->addAuthor($author, $self)) {
+ $count++;
+ next mainloop;
+ }
+ }
+ # If we are here, we need to create a new summary
+ $summary = new CHCore::CopyrightSummary;
+ $summary->addAuthor($author, $self);
+ $copyrights->{ $summary->getKeyName() } = $summary;
+ $count++;
+ }
+ }
+
+ return $count;
+}
+
+
+##################### Directory #############################3
+
+sub CHCore::Directory::new($$$) {
+ my $self = CHCore::File::new(shift, shift, shift);
+ $self->{files} = [];
+ $self->{directories} = [];
+ # -1 - meaning get this flag from the parent dir
+ $self->{recursive} = ($self->getDirectory()) ? -1 : 0;
+ return $self;
+}
+
+sub CHCore::Directory::isDirectory($) {
+ return 1;
+}
+
+sub CHCore::Directory::getFiles($) {
+ return shift()->{files};
+}
+
+sub CHCore::Directory::getDirectories($) {
+ return shift()->{directories};
+}
+
+sub CHCore::Directory::isRecursive($) {
+ my $self = shift;
+ my $rec = $self->{recursive};
+ if ($rec >= 0) {
+ return $rec;
+ } else {
+ # Try getting this flag from the parent directory
+ $self->{recursive} = $self->getDirectory()->isRecursive();
+ }
+}
+
+sub CHCore::Directory::setRecursive($$) {
+ my ($self, $state) = @_;
+ $self->{recursive} = $state;
+}
+
+sub CHCore::Directory::__scan($$) {
+ my ($self, $recursive) = @_;
+ my $count = 0;
+
+ if ($self->findFiles() > 0) {
+ # Scan self so subdirectories can inherit
+ # from us later
+ return $count if (($count = $self->scanSelf()) < 0);
+
+ # Scan files
+ for my $file (@{$self->getFiles()}) {
+ my $c = $file->scan();
+ if ($c >= 0) {
+ $count += $c;
+ } else {
+ return -$count;
+ }
+ }
+
+ # If recursive, scan other directories recursively too
+ if ($recursive) {
+ for my $dir (@{$self->getDirectories()}) {
+ my $c = $dir->__scan($recursive);
+ if ($c >= 0) {
+ $count += $c
+ } else {
+ return -$count;
+ }
+ }
+ }
+
+ return $count;
+ } else {
+ return 0;
+ }
+}
+
+sub CHCore::Directory::scan($) {
+ my $self = shift;
+ return $self->__scan($self->isRecursive());
+}
+
+sub CHCore::Directory::scanSelf($) {
+ my $self = shift;
+ my $name = $self->getFilename();
+ my $path = $self->getPath();
+
+ $self->inherit(0);
+
+ my @parsers = CHParsers::get_dir_parsers($path);
+ return 0 unless (@parsers);
+
+ # Prepare results
+ my @copyrights = ();
+ my $license = 0;
+
+ for my $pa (@parsers) {
+ my ($parser, $arg) = @$pa;
+
+ # Parse files and split text to paragraphs
+ my @text = $parser->filter($arg);
+ my @parags = $parser->toParagraphs(\@text);
+
+ # Get copyright holders
+ push @copyrights, $parser->getCopyrights(\@parags);
+ my $nlic = $parser->getLicense(\@parags);
+ if ($license && $nlic && !$nlic->equals($license)) {
+ print STDERR "Conflicting licenses ('$license' vs '$nlic') in $path. Assuming the first one";
+ } else {
+ $license = $nlic if ($nlic);
+ }
+ }
+
+ # Save our discoveries if there are any
+ $self->{copyrights} = \@copyrights if (@copyrights);
+ $self->{license} = $license if ($license);
+
+ return 1;
+}
+
+sub CHCore::Directory::findFiles($) {
+ my $self = shift;
+ my $path = $self->getPath();
+ my @files = ();
+ my @directories = ();
+ my $count = 0;
+
+ opendir(DIR, $path) or return -1;
+ while (my $file = readdir(DIR)) {
+ my $filePath = "$path/$file";
+ if ($file eq "." || $file eq "..") {
+ next;
+ } elsif (-f $filePath) {
+ push @files, new CHCore::File($self, $file);
+ $count++;
+ } elsif (-d $filePath) {
+ push @directories, new CHCore::Directory($self, $file);
+ $count++;
+ }
+ }
+ closedir(DIR);
+
+ # Sort array to make file order "predictable"
+ @files = sort CHCore::File::cmpByFilename @files;
+ @directories = sort CHCore::File::cmpByFilename @directories;
+ $self->{files} = \@files;
+ $self->{directories} = \@directories;
+
+ return $count;
+}
+
+sub CHCore::Directory::printAll($) {
+ my $self = shift;
+
+ CHCore::File::printAll($self);
+
+ for my $f (@{$self->getFiles()}) {
+ $f->printAll();
+ }
+
+ if ($self->isRecursive()) {
+ for my $d (@{$self->getDirectories()}) {
+ $d->printAll();
+ }
+ }
+}
+
+sub CHCore::Directory::__createCopyrightSummary($\%) {
+ my ($self, $copyrights) = @_;
+ my $count = 0;
+
+ # Process self first
+ $count = CHCore::File::__createCopyrightSummary($self, %$copyrights);
+
+ # Files now
+ for my $f (@{$self->getFiles()}){
+ $count += $f->__createCopyrightSummary($copyrights);
+ }
+
+ # And directories if recursive...
+ if ($self->isRecursive()) {
+ for my $d (@{$self->getDirectories()}){
+ $count += $d->__createCopyrightSummary($copyrights);
+ }
+ }
+
+ return $count;
+}
+
+############ CopyrightSummary ###################
+
+sub CHCore::CopyrightSummary::new($) {
+ my $self = {
+ "keyname" => "",
+ "names" => {},
+ "emails" => [],
+ "years" => [],
+ "files" => [],
+ "count" => 0,
+ };
+ return bless($self, shift);
+}
+
+sub CHCore::CopyrightSummary::getNames($) {
+ my @names = sort(keys(%{shift()->{names}}));
+ return \@names;
+}
+
+sub CHCore::CopyrightSummary::getEmails($) {
+ return shift()->{emails};
+}
+
+sub CHCore::CopyrightSummary::getYears($) {
+ return shift()->{years};
+}
+
+sub CHCore::CopyrightSummary::getFiles($) {
+ return shift()->{files};
+}
+
+sub CHCore::CopyrightSummary::getTimesCredited($) {
+ return shift()->{count};
+}
+
+sub CHCore::CopyrightSummary::getKeyName($) {
+ return shift()->{keyname};
+}
+
+sub CHCore::CopyrightSummary::isSimilar($$) {
+
+ # People might make typos while entering their name
+ # or discard some non-latin character from their name
+ # Therefore do not use exact match. Try matching "similar"
+ # names too
+ my ($str1, $str2) = @_;
+ my @str1 = split(m//, $str1);
+ my @str2 = split(m//, $str2);
+ my $min = (length($str1) < length($str2)) ? length($str1) : length($str2);
+ my $matches = 0;
+
+ for (my $i = 0; $i < $min; $i++) {
+ $matches++ if ($str1[$i] eq $str2[$i]);
+ }
+
+ # Matching names are over 80% similar
+ if ($min > 0) {
+ my $sim = $matches * 100 / $min;
+ if ($sim >= 80) {
+ return $sim;
+ } else {
+ return 0;
+ }
+ } else {
+ return (length($str1) == length($str2)) * 100;
+ }
+}
+
+sub CHCore::CopyrightSummary::considerNewKeyName($$) {
+ my ($self, $newkeyname) = @_;
+ my $names = $self->{names};
+
+ if ($names->{$newkeyname} > $names->{$self->getKeyName()}) {
+ $self->{keyname} = $newkeyname;
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+sub CHCore::CopyrightSummary::addName($$) {
+ my ($self, $newname) = @_;
+ my $names = $self->{names};
+
+ # Should never happen but still do it as precaution...
+ return 0 unless ($newname);
+
+ if (%$names) {
+ if (exists $names->{$newname}) {
+ $names->{$newname}++;
+ $self->considerNewKeyName($newname);
+ return 1;
+ } else {
+ # Try finding a similar name...
+ for my $name (keys(%$names)) {
+ if (CHCore::CopyrightSummary::isSimilar($name, $newname)) {
+ $names->{$newname}++;
+ $self->considerNewKeyName($newname);
+ return 1;
+ }
+ }
+ # If we are here, similar name was not found
+ return 0;
+ }
+ } else {
+ # Adding a new key name
+ $names->{$newname} = 1;
+ $self->{keyname} = $newname;
+ return 1;
+ }
+}
+
+sub CHCore::CopyrightSummary::addEmail($$) {
+ my ($self, $email) = @_;
+ if ($email && !(grep { $email eq $_ } @{$self->getEmails()})) {
+ push @{$self->getEmails()}, $email;
+ }
+}
+
+sub CHCore::CopyrightSummary::addYears($\@) {
+ my ($self, $years) = @_;
+
+ push @{$self->getYears()}, @$years;
+}
+
+sub CHCore::CopyrightSummary::addFile($$) {
+ my ($self, $file) = @_;
+
+ push @{$self->getFiles()}, $file;
+}
+
+sub CHCore::CopyrightSummary::addAuthor($$$) {
+ my ($self, $author, $file) = @_;
+
+ if ($self->addName($author->getFullName())) {
+ $self->addEmail($author->getEmail());
+ $self->addYears($author->getYears());
+ $self->{count}++;
+ $self->addFile($file);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+sub __push_year_interval(\@$$) {
+ my ($years, $from, $to) = @_;
+
+ if ($from) {
+ if ($from == $to) {
+ push @$years, $from;
+ } else {
+ push @$years, "$from-$to";
+ }
+ }
+}
+
+sub CHCore::CopyrightSummary::cleanup($) {
+ my $self = shift;
+ my %years = ();
+
+ if (@{$self->getYears()}) {
+ # Expand from-to year expressions and remove dupes
+ for my $y (@{$self->getYears()}) {
+ if ($y =~ /^(\d{4})-(\d{4})$/) {
+ my $from = $1;
+ my $to = $2;
+
+ for (my $i = $from; $i <= $to; $i++) {
+ $years{"$i"} = 1;
+ }
+ } else {
+ $years{$y} = 1;
+ }
+ }
+
+ # Sort years
+ my @sorted_years = sort(keys(%years));
+
+ # Try "compressing" them to from-to again
+ my $prev = 0;
+ my $from = 0;
+ my @years = ();
+
+ for my $y (@sorted_years) {
+ if (!($y =~ m/^\d+$/)) {
+ __push_year_interval(@years, $from, $prev);
+ push @years, $y;
+ $from = $prev = 0;
+ } elsif ($y == $prev + 1) {
+ $prev = $y;
+ } else {
+ __push_year_interval(@years, $from, $prev);
+ $from = $prev = $y;
+ }
+ }
+ __push_year_interval(@years, $from, $prev);
+
+ # Save result
+ $self->{years} = \@years;
+ }
+
+ # Sort files (already sorted probably) and kill dupes
+ if (@{$self->getFiles()}) {
+ my $files = $self->getFiles();
+ my @files = sort(CHCore::File::cmpByPath @$files);
+ my @uniq = ();
+ my $prev = 0;
+
+ for my $f (@files) {
+ if ($prev != $f) {
+ push @uniq, $f;
+ $prev = $f;
+ }
+ }
+ $self->{files} = \@uniq;
+ }
+}
+
+sub CHCore::CopyrightSummary::toString($) {
+ my $self = shift;
+ my $str = "Copyright © " . $self->getKeyName() . ":\n";
+
+ $str .= sprintf(" Credited %d time%s;\n", $self->getTimesCredited(), ($self->getTimesCredited() == 1) ? "" : "s");
+
+ # Alternative names
+ my $names = $self->getNames();
+ if (scalar(@$names) > 1) {
+ $str .= sprintf(" Other name%s: ", (scalar(@$names) > 2) ? "s" : "");
+ my $key = $self->getKeyName();
+ for my $n (@$names) {
+ $str .= "$n, " if ($key ne $n);
+ }
+ $str = substr($str, 0, -2) . ";\n";
+ }
+
+ # Emails
+ my $emails = $self->getEmails();
+ if (@$emails) {
+ $str .= sprintf(" Email address%s: ", (scalar(@$emails) > 1) ? "es" : "");
+ for my $email (@$emails) {
+ $str .= "<${email}>, ";
+ }
+ $str = substr($str, 0, -2) . ";\n";
+ }
+
+ # Years
+ my $years = $self->getYears();
+ if (@$years) {
+ $str .= " Years: ";
+ for my $y (@$years) {
+ $str .= "$y, ";
+ }
+ }
+ $str = substr($str, 0, -2) . ";";
+
+ return $str;
+}
+
+sub CHCore::CopyrightSummary::toStringFiles {
+ my ($self, $desc_indent, $file_indent) = @_;
+
+ $desc_indent = 0 unless defined $desc_indent;
+ $file_indent = $desc_indent + 2 unless defined $file_indent;
+
+ my $files = $self->getFiles();
+ my $tindent = " " x $desc_indent;
+ my $str = $tindent . sprintf("Copyrighted file%s (%d):\n", (scalar(@$files) > 1) ? "s" : "", scalar(@$files));
+
+ $tindent = " " x $file_indent;
+ $str .= $tindent . join ("\n$tindent", map $_->getPathWithoutRoot(), @$files);
+
+ return $str;
+}
+
+sub CHCore::CopyrightSummary::toStringLicenses {
+ my ($self, $desc_indent, $lic_indent) = @_;
+
+ $desc_indent = 0 unless defined $desc_indent;
+ $lic_indent = $desc_indent + 2 unless defined $lic_indent;
+ my $dindent = " " x $desc_indent;
+ my $lindent = " " x $lic_indent;
+
+ my $summary = new CHCore::LicenseSummary;
+ $summary->addFiles($self->getFiles());
+
+ if ((my $count = $summary->getLicenseCount()) > 0) {
+ my $impl = scalar(@{$summary->getImplicit()});
+ my $expl = scalar(@{$summary->getExplicit()});
+
+ my $str = $dindent . sprintf("Used license%s (%d):\n", ($count > 1) ? "s" : "", $count);
+ $str .= $lindent . join ("\n$lindent", map $_->getID(), @{$summary->getLicenses()});
+
+ return $str;
+ } else {
+ return '';
+ }
+}
+
+########################## LicenseSummary #####################################
+sub CHCore::LicenseSummary::new($) {
+ my $self = {
+ "implicit" => [],
+ "explicit" => [],
+ "licenses" => {},
+ };
+ return bless($self, shift);
+}
+
+sub CHCore::LicenseSummary::getLicenses($) {
+ my @values = values(%{shift()->{licenses}});
+ return \@values;
+}
+
+sub CHCore::LicenseSummary::getImplicit($) {
+ return shift()->{implicit};
+}
+
+sub CHCore::LicenseSummary::getExplicit($) {
+ return shift()->{explicit};
+}
+
+sub CHCore::LicenseSummary::getLicenseCount($) {
+ return scalar(@{shift()->getLicenses()});
+}
+
+sub CHCore::LicenseSummary::addFiles($\@) {
+
+ my ($self, $files) = @_;
+ my $licenses = $self->{licenses};
+ my $count = 0;
+
+ for my $f (@$files) {
+ if (my $lic = $f->getLicense()) {
+ if ($f->isInherited("license")) {
+ push @{$self->{implicit}}, $f;
+ } else {
+ push @{$self->{explicit}}, $f;
+ }
+ if (!exists($licenses->{$lic->getID()})) {
+ $licenses->{$lic->getID()} = $lic;
+ $count++;
+ }
+ }
+ }
+
+ return $count;
+}
+
+1;
Added: people/modax/copyright-helper/trunk/CHLicenses.pm
===================================================================
--- people/modax/copyright-helper/trunk/CHLicenses.pm (rev 0)
+++ people/modax/copyright-helper/trunk/CHLicenses.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,174 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHLicenses;
+use strict;
+use File::Basename qw( basename fileparse );
+use encoding "utf8";
+use utf8;
+
+require Exporter;
+our @ISA = qw( Exporter );
+our @EXPORT = qw( all_licenses findLicense findByLicenseText );
+
+our @parsers = ();
+
+sub import {
+ our %parsers;
+
+ for my $loc (@_[1..$#_]) {
+ my @plugfiles = glob($loc);
+ for my $f (@plugfiles) {
+ my $class = File::Basename::basename($f);
+ $class =~ s/.pm$//;
+ $class = "CHLicenses::$class";
+
+ print STDERR "* Loading license parser module $f ($class)... ";
+ require "$f";
+ my $parser = new $class;
+ push @parsers, $parser;
+ print STDERR $parser->getShortName(), ".\n";
+ }
+ }
+}
+
+sub all_license_parsers() {
+ our @parsers;
+ @parsers
+}
+
+sub findLicense(\@) {
+ my ($text) = @_;
+ for my $parser (@parsers) {
+ my $license = $parser->matchCopyrightedFile($text);
+ return $license if ($license);
+ }
+ return 0;
+}
+
+sub findByLicenseText(\@) {
+ my ($text) = @_;
+ for my $parser (@parsers) {
+ my $license = $parser->matchLicenseText($text);
+ return $license if ($license);
+ }
+ return 0;
+}
+
+sub CHLicenses::LicenseBase::new {
+ my $self = {
+ "version" => -1,
+ "later" => 0,
+ "foundInText" => ""
+ };
+ return bless($self, $_[0]);
+}
+
+sub CHLicenses::LicenseBase::getShortLicenseName($) {
+ return "Short license name not specified";
+}
+
+sub CHLicenses::LicenseBase::getLongLicenseName($) {
+ return "Long license name not specified";
+}
+
+sub CHLicenses::LicenseBase::formatVersion($$) {
+ my ($self, $verPrefix) = @_;
+ my $ver = $self->getVersion();
+ return ($ver > 0) ? "${verPrefix}${ver}" : "";
+}
+
+sub CHLicenses::LicenseBase::getID($) {
+ my ($self) = @_;
+ my $str = sprintf("%s %s", $self->getLongName(), $self->formatVersion("v"));
+ if ($self->isLater()) {
+ return $str . " or later";
+ } else {
+ return $str;
+ }
+}
+
+sub CHLicenses::LicenseBase::getFullLicenseString($) {
+ my ($self) = @_;
+ my $str = sprintf("%s %s", $self->getLongName(), $self->formatVersion("version "));
+ if ($self->isLater()) {
+ return $str . " or later";
+ } else {
+ return $str;
+ }
+}
+
+
+sub CHLicenses::LicenseBase::getVersion($) {
+ return $_[0]->{"version"};
+}
+
+sub CHLicenses::LicenseBase::isLater($) {
+ return $_[0]->{"later"};
+}
+
+sub CHLicenses::LicenseBase::setLater($$) {
+ $_[0]->{"later"} = $_[1];
+}
+
+sub CHLicenses::LicenseBase::getFoundInText($) {
+ return $_[0]->{"foundInText"};
+}
+
+sub CHLicenses::LicenseBase::getNiceFoundInText($$) {
+ my ($text, $limit) = ($_[0]->getFoundInText(), $_[1]);
+ my @words = split(/\s+/, $text);
+ my $line = "";
+ my @lines = ();
+ for my $w (@words) {
+ if ((length($line) + length($w) + 1) > $limit) {
+ push @lines, $line;
+ $line = "";
+ }
+ if ($line) {
+ $line .= " " . "$w";
+ } else {
+ $line = "$w";
+ }
+ }
+ if ($line) {
+ push @lines, $line;
+ }
+
+ return @lines;
+}
+
+sub CHLicenses::LicenseBase::isValid($) {
+ my ($self) = @_;
+ return $self->getFoundInText() && $self->getVersion() > -1;
+}
+
+sub CHParsers::LicenseBase::matchCopyrightedFile($\@) {
+ return 0;
+}
+
+sub CHParsers::LicenseBase::matchLicenseText($\@) {
+ return 0;
+}
+
+sub CHParsers::LicenseBase::equals($$) {
+ my ($self, $other) = @_;
+ if ($other-isa(ref($self))) {
+ return $self->getID() eq $other->getID();
+ } else {
+ return 0;
+ }
+}
+1;
Added: people/modax/copyright-helper/trunk/CHParsers.pm
===================================================================
--- people/modax/copyright-helper/trunk/CHParsers.pm (rev 0)
+++ people/modax/copyright-helper/trunk/CHParsers.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,293 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHParsers;
+use strict;
+use encoding "utf8";
+use utf8;
+
+require Exporter;
+our @ISA = qw( Exporter );
+our @EXPORT = qw( all_file_parsers all_dir_parsers get_parser get_dir_parsers );
+ at CHParsers::DirParserBase::ISA = qw( CHParsers::ParserBase );
+use File::Basename qw( basename fileparse );
+
+our %parsers = ();
+our @dir_parsers = ();
+
+sub import {
+ our %parsers;
+ our @dir_parsers;
+
+ for my $loc (@_[1..$#_]) {
+ my @plugfiles = glob($loc);
+ for my $f (@plugfiles) {
+ my $class = File::Basename::basename($f);
+ $class =~ s/.pm$//;
+ $class = "CHParsers::$class";
+
+ print STDERR "* Loading parser module $f ($class)...\n ";
+ require "$f";
+ my $parser = new $class;
+ if ($parser->isDirectoryParser()) {
+ print STDERR "-- Directory parser";
+ push @dir_parsers, $parser;
+ } else {
+ print STDERR "-- Registering for these file extensions:";
+ for my $ext ($parser->extensions()) {
+ if (exists $parsers{$ext}) {
+ push @{$parsers{$ext}}, $parser;
+ } else {
+ $parsers{$ext} = [ $parser ];
+ }
+ print STDERR " $ext";
+ }
+ }
+ print STDERR ".\n";
+ }
+ }
+}
+
+sub all_file_parsers {
+ our %parsers;
+ %parsers
+}
+
+sub all_dir_parsers {
+ our @dir_parsers;
+ @dir_parsers;
+}
+
+#sub filterFile($) {
+# our %parsers;
+# my $file = $_;
+
+# my $ext = $& if ($file =~ /[^.]*$/);
+# if (exists $parsers{$ext}) {
+# if (open(FILE, "<$file")) {
+# my $fh = *FILE;
+# for my $parser (@{$parsers{$ext}}) {
+# my $arg = $parser->isApplicable($file, $fh);
+# return $parser->filter($arg) if ($arg);
+# }
+# }
+# close(FILE);
+# } else {
+# print STDERR "File parser for \"$ext\" does not exist!\n";
+# }
+#}
+
+#sub filterDirectory($) {
+# our @dir_parsers;
+#
+# my @ret = ();
+# my $path = shift;
+# my @filelist = get_filelist($path);
+#
+# if (@filelist) {
+# for my $parser (@dir_parsers) {
+# my $arg = ($parser->isApplicable($path, \@filelist));
+# if ($arg) {
+# my $res = $parser->filter($path, $arg);
+# if ($res) {
+# return $res;
+# }
+# }
+# }
+# }
+#
+# return 0;
+#}
+
+sub get_parser {
+ our %parsers;
+ my ($file, $fh) = @_;
+
+ my $ext = $& if ($file =~ /[^.]*$/);
+ if (exists $parsers{$ext}) {
+ for my $parser (@{$parsers{$ext}}) {
+ if (my $arg = $parser->prepare($file, $fh)) {
+ return ($parser, $arg);
+ }
+ }
+ } else {
+ return (0, 0);
+ }
+}
+
+sub get_filelist($) {
+ my $path = shift;
+ my @res = ();
+
+ opendir(DIR, $path) or return ();
+ while (my $file = readdir(DIR)) {
+ if (-f "$path/$file") {
+ push @res, $file;
+ }
+ }
+ closedir(DIR);
+
+ return @res;
+}
+
+sub get_dir_parsers($) {
+ our @dir_parsers;
+ my @ret = ();
+ my $path = shift;
+ my @filelist = get_filelist($path);
+
+ if (@filelist) {
+ for my $parser (@dir_parsers) {
+ # prepare() for directory parsers returns a file list
+ if (my @args = $parser->prepare($path, \@filelist)) {
+ for my $arg (@args) {
+ push @ret, [ $parser, $arg ];
+ }
+ }
+ }
+ }
+
+ return @ret;
+}
+
+sub CHParsers::ParserBase::new {
+ my $self = {};
+ return bless($self, $_[0]);
+}
+
+sub CHParsers::ParserBase::isDirectoryParser($) {
+ return 0;
+}
+
+sub CHParsers::ParserBase::extensions($) {
+ return ();
+}
+
+sub CHParsers::ParserBase::prepare($$$) {
+ return $_[2];
+}
+
+sub CHParsers::ParserBase::filter($$) {
+ return ();
+}
+
+sub CHParsers::ParserBase::toParagraphs($\@) {
+ my $self = shift;
+ my @text = @{shift()};
+ my @parags = ();
+
+ foreach $_ (@text) {
+ my @lines = split(/\n/);
+ my $line = join(" ", @lines);
+ $line =~ s/\s+/ /g;
+ push @parags, $line;
+ }
+ return @parags;
+}
+
+sub CHParsers::ParserBase::getStandardCopyrights($\@$) {
+ my ($self, $text, $fuzzy) = @_;
+ my @copyrights = ();
+
+ for $_ (@$text) {
+ CHCopyright::getCopyright(\@copyrights, $_, 0);
+ }
+
+ if ($fuzzy >= 0) {
+ # Try finding a completely "full copyright", i.e. with
+ # a complete one with an e-mail address
+ for $_ (@copyrights) {
+ if ($_->getEmail()) {
+ $fuzzy = -1;
+ last;
+ }
+ }
+
+ if ($fuzzy == 0) {
+ # Try fuzzy search
+ for $_ (@$text) {
+ CHCopyright::getFuzzyCopyright(\@copyrights, $_);
+ }
+ }
+ }
+
+ return @copyrights;
+}
+
+sub CHParsers::ParserBase::getCopyrights($\@) {
+ # Fuzzy search is auto
+ return $_[0]->getStandardCopyrights($_[1], 0);
+}
+
+sub CHParsers::ParserBase::getLicense($\@) {
+ my ($self, $text) = @_;
+
+ # A standard algorithm to find a license in the
+ # copyrighted file text
+ return CHLicenses::findLicense($text);
+}
+
+############ DirParserBase #########################
+
+sub CHParsers::DirParserBase::isDirectoryParser($) {
+ return 1;
+}
+
+sub CHParsers::DirParserBase::prepare($$$) {
+ my ($self, $path, $filelist) = @_;
+
+ # Concatenate path with filenames
+ my @concat = ();
+ for my $f (@$filelist) {
+ push @concat, "$path/$f";
+ }
+
+ return @concat;
+}
+
+sub CHParsers::DirParserBase::getCopyrights($\@) {
+ # Directory parsers usually do not generate copyrights
+ return (); # Directory parsers usually do not generate copyrights
+}
+
+sub CHParsers::DirParserBase::getLicense($\@) {
+ my ($self, $text) = @_;
+
+ # A standard algorithm to determine a license by
+ # the license text
+ return CHLicenses::findByLicenseText($text);
+}
+
+sub CHParsers::DirParserBase::filter($$) {
+ my ($self, $path) = @_;
+ my @contents = ();
+ my $p = "";
+
+ open(FILE, "<$path") or return -1;
+ while (<FILE>) {
+ if (/^\s*$/) {
+ chomp $p;
+ push @contents, $p if ($p);
+ $p = "";
+ } else {
+ $p .= $_;
+ }
+ }
+ close(FILE);
+
+ return @contents;
+}
+
+1;
Added: people/modax/copyright-helper/trunk/COPYING
===================================================================
--- people/modax/copyright-helper/trunk/COPYING (rev 0)
+++ people/modax/copyright-helper/trunk/COPYING 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,674 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users. We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors. You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+ To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights. Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received. You must make sure that they, too, receive
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+know their rights.
+
+ Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
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+that there is no warranty for this free software. For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+ Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
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+States should not allow patents to restrict development and use of
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+
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+
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+ "This License" refers to version 3 of the GNU General Public License.
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+a computer network, with no transfer of a copy, is not conveying.
+
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+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
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+the interface presents a list of user commands or options, such as a
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+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
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+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
Added: people/modax/copyright-helper/trunk/copyright-helper.pl
===================================================================
--- people/modax/copyright-helper/trunk/copyright-helper.pl (rev 0)
+++ people/modax/copyright-helper/trunk/copyright-helper.pl 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,183 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+use strict;
+use encoding "utf8";
+use utf8;
+
+use CHParsers("parsers/*");
+use CHLicenses("licenses/*");
+use CHCopyright;
+use CHCore;
+use IO::Handle;
+
+use Getopt::Long;
+
+my $max_header = 70;
+my $opt_show_headers = 1;
+
+sub print_msg($) {
+ my $msg = shift;
+
+ print STDERR "$msg";
+ STDERR->flush();
+}
+
+sub print_header_sep() {
+ my $sep = ("-" x $max_header);
+ print $sep, "\n";
+}
+
+sub print_header($) {
+ my $header = shift;
+ my $l = length($header);
+ my $max = $max_header - 2*2;
+ my $sl1 = ($max - $l) / 2;
+ my $sl2 = $max - $l - $sl1;
+ $sl1 = "" if ($sl1 <= 0);
+ $sl2 = "" if ($sl2 >= $max - $l);
+
+ printf "--%${sl1}s%s%${sl2}s--\n", "", $header, "";
+}
+
+sub scan($) {
+ my $filename = shift;
+
+ my $fileobj;
+ my $res;
+
+ if (-f $filename) {
+ $fileobj = new CHCore::File(0, $filename);
+ } elsif (-d $filename) {
+ $fileobj = new CHCore::Directory(0, $filename);
+ $fileobj->setRecursive(1);
+ } else {
+ print_msg "Sorry, but file '$filename' does not exist";
+ return 0;
+ }
+
+ print_msg "Scanning $filename ... ";
+ $res = $fileobj->scan();
+ print_msg "done.\n";
+
+ if ($res <= 0) {
+ print_msg "Scan failed with $res\n";
+ return 0;
+ }
+
+ # FIXME: ktorrent Default license is GNU GPL v2 ****or later****
+ if ($fileobj->isDirectory() && $fileobj->getLicense()) {
+ $fileobj->getLicense()->setLater(1);
+ }
+
+ return $fileobj;
+}
+
+sub file_report($) {
+ my $fileobj = shift;
+
+ if ($opt_show_headers) {
+ print_header_sep();
+ print_header "Detailed copyright and license information for each file can";
+ print_header "found below";
+ print_header_sep();
+ print "\n";
+ }
+
+ $fileobj->printAll();
+}
+
+sub copyright_report($) {
+ my $fileobj = shift;
+
+ print_msg "Calculating copyright summaries ... ";
+ my ($summaries, $cr_count) = $fileobj->getCopyrightSummaries();
+ print_msg "done.\n";
+
+ if ($opt_show_headers) {
+ print_header_sep;
+ print_header "Copyright Holders Report";
+ print_header "(Out of $cr_count copyright statements)";
+ print_header_sep;
+ print "\n";
+ }
+
+ my @summaries = sort { -($a->getTimesCredited() <=> $b->getTimesCredited()) } @$summaries;
+ for my $summary (@summaries) {
+ $summary->cleanup();
+ print $summary->toString(), "\n";
+ print $summary->toStringLicenses(2), "\n";
+ print $summary->toStringFiles(2);
+ print "\n\n";
+ }
+}
+
+sub license_report($) {
+ my $fileobj = shift;
+}
+
+sub main() {
+ # Options
+ my @reports = ();
+ my $filename = "";
+
+ for my $arg (@ARGV) {
+ if ($arg eq "-c" || $arg eq "--copyright" || $arg eq "--copyright-report") {
+ push @reports, "copyright";
+ } elsif ($arg eq "-f" || $arg eq "--file" || $arg eq "--file-report") {
+ push @reports, "file";
+ } elsif (!$filename) {
+ $filename = "$arg";
+ } else {
+ print_msg "Filename ($filename) already specified. Ignoring $arg\n";
+ }
+ }
+ if (!$filename) {
+ print_msg "Please specify a file or directory to scan\n";
+ } elsif (!@reports) {
+ print_msg "You have specified no reports to generate\n";
+ } else {
+ my $fileobj = scan($filename);
+ return -1 if (!$fileobj);
+
+ # Show reports
+ for my $report (@reports) {
+ if ($report eq "copyright") {
+ copyright_report($fileobj);
+ } elsif ($report eq "file") {
+ file_report($fileobj);
+ }
+ print "\n";
+ }
+ }
+
+ return 0;
+}
+
+# Entry point
+${main::VERSION}='0.1';
+print_msg "\n";
+print_msg "Copyright Helper v${main::VERSION}\n";
+print_msg "Extracts copyright and license information from source code\n\n";
+
+Getopt::Long::Configure ("pass_through");
+GetOptions(
+ "headers!" => \$opt_show_headers,
+ "max-header-length=i" => \$max_header,
+);
+
+exit main();
Property changes on: people/modax/copyright-helper/trunk/copyright-helper.pl
___________________________________________________________________
Name: svn:executable
+ *
Added: people/modax/copyright-helper/trunk/licenses/gnugpl.pm
===================================================================
--- people/modax/copyright-helper/trunk/licenses/gnugpl.pm (rev 0)
+++ people/modax/copyright-helper/trunk/licenses/gnugpl.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,89 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>
+
+package CHLicenses::gnugpl;
+use strict;
+our @ISA = qw( CHLicenses::LicenseBase );
+
+sub matchCopyrightedFile($\@) {
+ my ($self, $text) = @_;
+ for my $p (@$text) {
+ # Preamle is usually like:
+ # 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.
+ if ($p =~ m/redistribute.*modify.*GNU General Public License as published(.*)$/) {
+ my $version = $1;
+ # Check for version and later clause (optional)
+ if ($version =~ m/version ([\d.]*[\d]+) of the License(.*)$/) {
+ my $license = new CHLicenses::gnugpl;
+ $license->{"version"} = $1;
+ $version = $2;
+ $license->{"later"} = 1 if ($version =~ m/any later version/);
+ $license->{"foundInText"} = $p;
+
+ return $license;
+ }
+ }
+ }
+ return 0;
+}
+
+sub matchLicenseText($\@) {
+ my ($self, $text) = @_;
+ my $m_title = 0;
+ my $m_version = 0;
+ my $license = new CHLicenses::gnugpl;
+
+ for my $p (@$text) {
+ if (!$m_title) {
+ # text is post-splitting to paragraphs
+ if ($m_title = ($p =~ m/^\s*GNU GENERAL PUBLIC LICENSE(.*)$/)) {
+ my $verstr = $1;
+ if ($verstr =~ m/^\s*Version (\d), (.+?)\s*$/) {
+ $m_version = $1;
+ my $date = $2;
+ if (($m_version eq '2' && $date eq "June 1991") ||
+ ($m_version eq '3' && $date eq "29 June 2007")) {
+ $license->{'version'} = $m_version;
+ $license->{'foundInText'} = $p;
+ } else {
+ $m_version = 0; # Not recognized or not supported
+ }
+ }
+ }
+ } elsif ($m_version eq '2') {
+ if ($p =~ /This License applies to any program or other work which/) {
+ return $license;
+ }
+ } elsif ($m_version eq '3') {
+ if ($p =~ /refers to version 3 of the GNU General Public License/) {
+ return $license;
+ }
+ }
+ }
+
+ return 0;
+}
+
+sub getShortName($) {
+ "GNU GPL";
+}
+
+sub getLongName($) {
+ "GNU General Public License";
+}
+
Added: people/modax/copyright-helper/trunk/parsers/c_cpp.pm
===================================================================
--- people/modax/copyright-helper/trunk/parsers/c_cpp.pm (rev 0)
+++ people/modax/copyright-helper/trunk/parsers/c_cpp.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,108 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHParsers::c_cpp;
+use strict;
+use encoding "utf8";
+use utf8;
+our @ISA = qw( CHParsers::ParserBase );
+
+sub __push_comment(\@$$) {
+ my ($comments, $comment, $before) = @_;
+ if ($comment && !($before =~ /^\s*$/)) {
+ push @$comments, $comment;
+ $_[1] = "";
+ }
+}
+
+sub filter ($$) {
+ my ($self, $fh) = @_;
+ my @comments = ();
+ my $comment = "";
+ my $compbound = 0;
+ while (<$fh>) {
+ my $more = 0;
+ do {
+ if ($compbound) {
+ # End of the compbound comment ( like /* comment here */ )
+ if (m%^(.*?)\*/(.*)$%) {
+ $comment .= $1;
+ $compbound = 0;
+ $_ = $2 . "\n";
+ $more = 1;
+ } else {
+ $comment .= $_;
+ $more = 0;
+ }
+ } else {
+ # Beginning of the comment
+ if (m%^(.*?)/\*(.*)$%) {
+ __push_comment @comments, $comment, $1;
+ $_ = $2 . "\n";
+ $compbound = 1;
+ $more = 1;
+ } elsif (m%^(.*?)//(.*)$%) {
+ __push_comment @comments, $comment, $1;
+ $comment .= $2;
+ $more = 0;
+ } else {
+ __push_comment @comments, $comment, $_;
+ $more = 0;
+ }
+ }
+ } while ($more);
+ }
+ __push_comment @comments, $comment, "force";
+ return @comments;
+}
+
+sub toParagraphs ($\@) {
+ my $self = $_[0];
+ my @comments = @{$_[1]};
+ my @parags = ();
+
+ foreach $_ (@comments) {
+ my @lines = split(/\n/);
+ my @parag;
+ my $i = 0;
+ for my $line (@lines) {
+ my $p = "";
+ if ($line =~ m%^(\s|[/*])*(.*?)(\s|[*/])*$%) {
+ $p = $2;
+ } else {
+ $p = $line;
+ }
+ if ($i == $#lines && $p ne "") {
+ push @parags, $p;
+ $p = "";
+ }
+ if ($p eq "") {
+ # Treat like the end of the paragraph
+ if (scalar(@parag) > 0) {
+ push @parags, join(" ", @parag);
+ @parag = ();
+ }
+ } else {
+ push @parag, $p;
+ }
+ $i++;
+ }
+ }
+ return @parags;
+}
+
+sub extensions {
+ return qw( c cpp h cc );
+}
Added: people/modax/copyright-helper/trunk/parsers/dir_copying.pm
===================================================================
--- people/modax/copyright-helper/trunk/parsers/dir_copying.pm (rev 0)
+++ people/modax/copyright-helper/trunk/parsers/dir_copying.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,33 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>
+
+package CHParsers::dir_copying;
+use strict;
+our @ISA = qw( CHParsers::DirParserBase );
+
+sub prepare($$$) {
+ my ($self, $path, $filelist) = @_;
+ my @res = ();
+
+ for my $file (@$filelist) {
+ if ($file eq 'COPYING' ||
+ ($file =~ m/LICENSE/)) {
+ push @res, $file;
+ }
+ }
+
+ # Join path with files
+ return CHParsers::DirParserBase::prepare($self, $path, \@res);
+}
Added: people/modax/copyright-helper/trunk/parsers/po.pm
===================================================================
--- people/modax/copyright-helper/trunk/parsers/po.pm (rev 0)
+++ people/modax/copyright-helper/trunk/parsers/po.pm 2008-02-01 20:20:53 UTC (rev 9219)
@@ -0,0 +1,53 @@
+# Copyright (C) 2008 Modestas Vainius <modestas at vainius.eu>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>
+
+package CHParsers::po;
+use strict;
+use encoding "utf8";
+use utf8;
+
+our @ISA = qw( CHParsers::ParserBase );
+
+sub __push_comment(\@\@) {
+ my ($comments, $comment) = @_;
+ if (scalar(@$comment) > 0) {
+ push @$comments, join(" ", @$comment);
+ @{$_[1]} = ();
+ }
+}
+
+sub filter ($$) {
+ my ($self, $fh) = @_;
+ my @comments = ();
+ my @comment = ();
+ while (<$fh>) {
+ # Beginning of the comment
+ if (m/^#(?![,:.~|])\s*(.*)$/) {
+ if ($1) {
+ push @comment, $1;
+ } else {
+ __push_comment @comments, @comment;
+ }
+ } else {
+ __push_comment @comments, @comment;
+ }
+ }
+ __push_comment @comments, @comment;
+ return @comments;
+}
+
+sub extensions {
+ return qw( po );
+}
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