Exheredludis/paludis/resolver/package_id_comparator_with_promotion.hh
2014-03-21 15:36:14 +00:00

71 lines
2.3 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011 Ciaran McCreesh
* Copyright (c) 2014 Dimitry Ishenko
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_PACKAGE_ID_COMPARATOR_WITH_PROMOTION_HH
#define PALUDIS_GUARD_PALUDIS_PACKAGE_ID_COMPARATOR_WITH_PROMOTION_HH 1
#include <paludis/resolver/package_id_comparator_with_promotion-fwd.hh>
#include <paludis/package_id-fwd.hh>
#include <paludis/environment-fwd.hh>
#include <paludis/util/pimp.hh>
#include <memory>
namespace paludis
{
namespace resolver
{
/**
* A comparison functor that operates similar to the PackageIDComparator,
* but promotes binary packages over identical non-binary ones.
*/
class PALUDIS_VISIBLE PackageIDComparatorWithPromotion
{
private:
Pimp<PackageIDComparatorWithPromotion> _imp;
public:
///\name Standard library typedefs
///\{
typedef bool result_type;
///\}
///\name Basic operations
///\{
PackageIDComparatorWithPromotion(const Environment * const);
PackageIDComparatorWithPromotion(const PackageIDComparatorWithPromotion &);
~PackageIDComparatorWithPromotion();
///\}
/**
* Perform the less-than comparison.
*/
bool operator() (const std::shared_ptr<const PackageID> &,
const std::shared_ptr<const PackageID> &) const;
};
}
}
#endif