# fonts -- lintian check script -*- perl -*-

# Copyright © 1998 Christian Schwarz and Richard Braakman
# Copyright © 2020 Felix Lechner
#
# 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.
#
# 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, you can find it on the World Wide
# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

package Lintian::fonts;

use v5.20;
use warnings;
use utf8;
use autodie;

use Moo;
use namespace::clean;

with 'Lintian::Check';

my $FONT_PACKAGES = Lintian::Data->new('files/fonts', qr/\s+/);

sub visit_installed_files {
    my ($self, $item) = @_;

    return
      unless $item->is_file;

    my ($anycase)
      = ($item->name =~ m{/([\w-]+\.(?:[to]tf|pfb|woff2?|eot)(?:\.gz)?)$}i);
    return
      unless length $anycase;

    my $font = lc $anycase;

    my $owner = $FONT_PACKAGES->value($font);
    if (length $owner) {

        $self->tag('duplicate-font-file', $item->name, 'also in', $owner)
          unless $self->processable->name eq $owner
          || $self->processable->type eq 'udeb';

    } else {
        unless ($item->name =~ m{^usr/lib/R/site-library/}) {

            $self->tag('font-in-non-font-package', $item->name)
              unless $self->processable->name =~ m/^(?:[ot]tf|t1|x?fonts)-/;

            $self->tag('font-outside-font-dir', $item->name)
              unless $item->name =~ m{^usr/share/fonts/};
        }
    }

    return;
}

1;

# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
