Exheredludis/paludis/resolver/always_via_binary_helper.cc
Ciaran McCreesh 0174215ed4 Use nullptr
2013-05-22 23:19:27 +01:00

81 lines
2.4 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010, 2011 Ciaran McCreesh
*
* 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
*/
#include <paludis/resolver/always_via_binary_helper.hh>
#include <paludis/resolver/reason.hh>
#include <paludis/resolver/constraint.hh>
#include <paludis/resolver/resolvent.hh>
#include <paludis/resolver/resolution.hh>
#include <paludis/resolver/decision.hh>
#include <paludis/resolver/destination_utils.hh>
#include <paludis/util/pimp-impl.hh>
#include <paludis/util/visitor_cast.hh>
#include <paludis/dep_spec.hh>
#include <paludis/package_id.hh>
#include <paludis/metadata_key.hh>
#include <paludis/package_dep_spec_collection.hh>
using namespace paludis;
using namespace paludis::resolver;
namespace paludis
{
template <>
struct Imp<AlwaysViaBinaryHelper>
{
const Environment * const env;
PackageDepSpecCollection always_via_binary_specs;
Imp(const Environment * const e) :
env(e),
always_via_binary_specs(nullptr)
{
}
};
}
AlwaysViaBinaryHelper::AlwaysViaBinaryHelper(const Environment * const e) :
_imp(e)
{
}
AlwaysViaBinaryHelper::~AlwaysViaBinaryHelper() = default;
void
AlwaysViaBinaryHelper::add_always_via_binary_spec(const PackageDepSpec & spec)
{
_imp->always_via_binary_specs.insert(spec);
}
bool
AlwaysViaBinaryHelper::operator() (const std::shared_ptr<const Resolution> & resolution) const
{
const ChangesToMakeDecision * changes_decision(visitor_cast<const ChangesToMakeDecision>(*resolution->decision()));
if (! changes_decision)
return false;
return can_make_binary_for(changes_decision->origin_id()) &&
_imp->always_via_binary_specs.match_any(_imp->env, changes_decision->origin_id(), { });
}
namespace paludis
{
template class Pimp<AlwaysViaBinaryHelper>;
}