#!/usr/bin/perl -w

# Copyright 2011 Kevin Ryde

# This file is part of Pod-MinimumVersion.
#
# Pod-MinimumVersion 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, or (at your option) any later
# version.
#
# Pod-MinimumVersion 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 Pod-MinimumVersion.  If not, see <http://www.gnu.org/licenses/>.

use 5.004;
use strict;
use Getopt::Long;
use Pod::MinimumVersion;

use vars '$VERSION';
$VERSION = 50;

my $want_stdin = 1;
my $want_all = 1;

Getopt::Long::Configure ('no_ignore_case');
Getopt::Long::GetOptions
  ('all' => \$want_all,
   'help|?'  => sub {
     print <<'HERE';
pod-minimumversion [--options] [filename...]
  --help         print this help
  --version      print program version number
HERE
     $want_stdin = 0;
   },
   'version' => sub {
     print "pod-minimumversion $VERSION\n";
     $want_stdin = 0;
   },
   '<>' => sub {
     my ($arg) = @_;
     report (filename => "$arg");
     $want_stdin = 0;
   },
  )
  or exit 1;

if ($want_stdin) {
  report (filehandle => \*STDIN, filename => '(stdin)');
}

sub report {
  my $pmv = Pod::MinimumVersion->new (@_);
  foreach my $report ($want_all
                      ? $pmv->reports
                      : $pmv->minimum_report) {
    print "$report->{'filename'}:$report->{'linenum'}: $report->{'version'} for $report->{'why'}\n";
  }
}

exit 0;

__END__

=for stopwords Ryde Pod-MinimumVersion pod-minimumversion

=head1 NAME

pod-minimumversion -- report minimum Perl version for given POD

=head1 SYNOPSIS

 pod-minimumversion [--options] [filename...]

=head1 DESCRIPTION

C<pod-minimumversion> reports the minimum Perl version required to process
POD directives in given files, or the standard input if no files are given.

=head1 OPTIONS

=over

=item --help, -?

Print a summary of the options.

=item --version

Print the program version number.

=back

=head1 SEE ALSO

L<Pod::MinimumVersion>

L<perlver(1)>, L<Perl::MinimumVersion>

=head1 HOME PAGE

http://user42.tuxfamily.org/pod-minimumversion/index.html

=head1 LICENSE

Pod-MinimumVersion is Copyright 2009, 2010, 2011 Kevin Ryde

Pod-MinimumVersion 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, or (at your option) any later
version.

Pod-MinimumVersion 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
Pod-MinimumVersion.  If not, see <http://www.gnu.org/licenses/>.

=cut