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# Copyright © 2007 Frank Lichtenheld <djpig@debian.org>
# Copyright © 2010-2011 Raphaël Hertzog <hertzog@debian.org>
# Copyright © 2010-2011 Bill Allombert <ballombe@debian.org>
#
# 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, see <http://www.gnu.org/licenses/>.
package Dpkg::BuildFeatures;
use strict;
use warnings;
our $VERSION = "0.01";
use Dpkg::Control::Info;
=encoding utf8
=head1 NAME
Dpkg::BuildFeatures - parse the Build-Features control field
=head1 DESCRIPTION
The Dpkg::BuildFeatures object can be used to query the options
stored in the Build-Features control field.
=head1 FUNCTIONS
=over 4
=item my $bf = Dpkg::BuildFeatures->new($controlfile)
Create a new Dpkg::BuildFeatures object. It will be initialized based
on the value of the Build-Features control field. If $controlfile is omitted, it
loads debian/control.
=cut
sub new {
my ($this, $controlfile) = @_;
my $class = ref($this) || $this;
my $control = Dpkg::Control::Info->new($controlfile);
my $src_fields = $control->get_source();
my %buildfeats;
if (defined($src_fields->{'Build-Features'})) {
my @buildfeats = split(/\s*,\s*/m, $src_fields->{'Build-Features'});
%buildfeats = map { $_ => 1 } @buildfeats;
}
my $self = { options => \%buildfeats };
bless $self, $class;
return $self;
}
=item $bf->has($option)
Returns a boolean indicating whether the option is stored in the object.
=cut
sub has {
my ($self, $key) = @_;
return exists $self->{'options'}{$key};
}
=back
=head1 AUTHOR
Bill Allombert <ballombe@debian.org>
=cut
1;
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