+ my $self = shift;
+ my $content = Module::Install::_read($_[0]);
+ if ($content =~ m/
+ =head \d \s+ (?:authors?)\b \s*
+ ([^\n]*)
+ |
+ =head \d \s+ (?:licen[cs]e|licensing|copyright|legal)\b \s*
+ .*? copyright .*? \d\d\d[\d.]+ \s* (?:\bby\b)? \s*
+ ([^\n]*)
+ /ixms) {
+ my $author = $1 || $2;
+
+ # XXX: ugly but should work anyway...
+ if (eval "require Pod::Escapes; 1") {
+ # Pod::Escapes has a mapping table.
+ # It's in core of perl >= 5.9.3, and should be installed
+ # as one of the Pod::Simple's prereqs, which is a prereq
+ # of Pod::Text 3.x (see also below).
+ $author =~ s{ E<( (\d+) | ([A-Za-z]+) )> }
+ {
+ defined $2
+ ? chr($2)
+ : defined $Pod::Escapes::Name2character_number{$1}
+ ? chr($Pod::Escapes::Name2character_number{$1})
+ : do {
+ warn "Unknown escape: E<$1>";
+ "E<$1>";
+ };
+ }gex;
+ }
+ elsif (eval "require Pod::Text; 1" && $Pod::Text::VERSION < 3) {
+ # Pod::Text < 3.0 has yet another mapping table,
+ # though the table name of 2.x and 1.x are different.
+ # (1.x is in core of Perl < 5.6, 2.x is in core of
+ # Perl < 5.9.3)
+ my $mapping = ($Pod::Text::VERSION < 2)
+ ? \%Pod::Text::HTML_Escapes
+ : \%Pod::Text::ESCAPES;
+ $author =~ s{ E<( (\d+) | ([A-Za-z]+) )> }
+ {
+ defined $2
+ ? chr($2)
+ : defined $mapping->{$1}
+ ? $mapping->{$1}
+ : do {
+ warn "Unknown escape: E<$1>";
+ "E<$1>";
+ };
+ }gex;
+ }
+ else {
+ $author =~ s{E<lt>}{<}g;
+ $author =~ s{E<gt>}{>}g;
+ }
+ $self->author($author);
+ } else {
+ warn "Cannot determine author info from $_[0]\n";
+ }
+}
+
+#Stolen from M::B
+my %license_urls = (
+ perl => 'http://dev.perl.org/licenses/',
+ apache => 'http://apache.org/licenses/LICENSE-2.0',
+ apache_1_1 => 'http://apache.org/licenses/LICENSE-1.1',
+ artistic => 'http://opensource.org/licenses/artistic-license.php',
+ artistic_2 => 'http://opensource.org/licenses/artistic-license-2.0.php',
+ lgpl => 'http://opensource.org/licenses/lgpl-license.php',
+ lgpl2 => 'http://opensource.org/licenses/lgpl-2.1.php',
+ lgpl3 => 'http://opensource.org/licenses/lgpl-3.0.html',
+ bsd => 'http://opensource.org/licenses/bsd-license.php',
+ gpl => 'http://opensource.org/licenses/gpl-license.php',
+ gpl2 => 'http://opensource.org/licenses/gpl-2.0.php',
+ gpl3 => 'http://opensource.org/licenses/gpl-3.0.html',
+ mit => 'http://opensource.org/licenses/mit-license.php',
+ mozilla => 'http://opensource.org/licenses/mozilla1.1.php',
+ open_source => undef,
+ unrestricted => undef,
+ restrictive => undef,
+ unknown => undef,
+);
+
+sub license {
+ my $self = shift;
+ return $self->{values}->{license} unless @_;
+ my $license = shift or die(
+ 'Did not provide a value to license()'
+ );
+ $license = __extract_license($license) || lc $license;
+ $self->{values}->{license} = $license;
+
+ # Automatically fill in license URLs
+ if ( $license_urls{$license} ) {
+ $self->resources( license => $license_urls{$license} );
+ }
+
+ return 1;
+}
+
+sub _extract_license {
+ my $pod = shift;
+ my $matched;
+ return __extract_license(
+ ($matched) = $pod =~ m/
+ (=head \d \s+ L(?i:ICEN[CS]E|ICENSING)\b.*?)
+ (=head \d.*|=cut.*|)\z
+ /xms
+ ) || __extract_license(
+ ($matched) = $pod =~ m/
+ (=head \d \s+ (?:C(?i:OPYRIGHTS?)|L(?i:EGAL))\b.*?)
+ (=head \d.*|=cut.*|)\z
+ /xms
+ );
+}
+
+sub __extract_license {
+ my $license_text = shift or return;
+ my @phrases = (
+ '(?:under )?the same (?:terms|license) as (?:perl|the perl (?:\d )?programming language)' => 'perl', 1,
+ '(?:under )?the terms of (?:perl|the perl programming language) itself' => 'perl', 1,
+ 'Artistic and GPL' => 'perl', 1,
+ 'GNU general public license' => 'gpl', 1,
+ 'GNU public license' => 'gpl', 1,
+ 'GNU lesser general public license' => 'lgpl', 1,
+ 'GNU lesser public license' => 'lgpl', 1,
+ 'GNU library general public license' => 'lgpl', 1,
+ 'GNU library public license' => 'lgpl', 1,
+ 'GNU Free Documentation license' => 'unrestricted', 1,
+ 'GNU Affero General Public License' => 'open_source', 1,
+ '(?:Free)?BSD license' => 'bsd', 1,
+ 'Artistic license' => 'artistic', 1,
+ 'Apache (?:Software )?license' => 'apache', 1,
+ 'GPL' => 'gpl', 1,
+ 'LGPL' => 'lgpl', 1,
+ 'BSD' => 'bsd', 1,
+ 'Artistic' => 'artistic', 1,
+ 'MIT' => 'mit', 1,
+ 'Mozilla Public License' => 'mozilla', 1,
+ 'Q Public License' => 'open_source', 1,
+ 'OpenSSL License' => 'unrestricted', 1,
+ 'SSLeay License' => 'unrestricted', 1,
+ 'zlib License' => 'open_source', 1,
+ 'proprietary' => 'proprietary', 0,
+ );
+ while ( my ($pattern, $license, $osi) = splice(@phrases, 0, 3) ) {
+ $pattern =~ s#\s+#\\s+#gs;
+ if ( $license_text =~ /\b$pattern\b/i ) {
+ return $license;
+ }
+ }
+ return '';