# $OpenBSD: PkgCfl.pm,v 1.1 2003/10/16 17:43:34 espie Exp $
#
# Copyright (c) 2003 Marc Espie.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
# PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use strict;
use warnings;
package OpenBSD::PkgCfl;

sub glob2re
{
	local $_ = shift;
	s/\./\\\./g;
	s/\+/\\\+/g;
	s/\*/\.\*/g;
	s/\?/\./g;
	return "^$_\$";
}

sub make_conflict_list($)
{
	my ($class, $plist) = @_;
	my $l = [];

	unless (defined $plist->{'no-default-conflict'}) {
		my $stem = (OpenBSD::PackageName::splitname$plist->pkgname())[0];
		push(@$l, "^\Q$stem\E-\\d.*\$");
	}
	if (defined $plist->{pkgcfl}) {
		for my $cfl (@{$plist->{pkgcfl}}) {
			push(@$l, glob2re($cfl->{name}));
		}
	}
	bless $l, $class;
}

sub conflicts_with
{
	my ($self, @pkgnames) = @_;
	for my $cfl (@$self) {
		if (grep { m/$cfl/ } @pkgnames) {
			return 1;
		}
	}
	return 0;
}

1;