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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010, 2011, 2013 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/get_destination_types_for_error_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/util/pimp-impl.hh>
#include <paludis/util/make_shared_copy.hh>
#include <paludis/util/make_named_values.hh>
#include <paludis/util/stringify.hh>
#include <paludis/dep_spec.hh>
#include <paludis/package_id.hh>
#include <paludis/package_dep_spec_collection.hh>
#include <paludis/partially_made_package_dep_spec.hh>
#include <paludis/elike_slot_requirement.hh>
#include <paludis/metadata_key.hh>
using namespace paludis;
using namespace paludis::resolver;
namespace paludis
{
template <>
struct Imp<GetDestinationTypesForErrorHelper>
{
const Environment * const env;
DestinationType target_destination_type;
Imp(const Environment * const e) :
env(e),
target_destination_type(dt_install_to_slash)
{
}
};
}
GetDestinationTypesForErrorHelper::GetDestinationTypesForErrorHelper(const Environment * const e) :
_imp(e)
{
}
GetDestinationTypesForErrorHelper::~GetDestinationTypesForErrorHelper() = default;
void
GetDestinationTypesForErrorHelper::set_target_destination_type(const DestinationType d)
{
_imp->target_destination_type = d;
}
namespace
{
struct DestinationTypesFinder
{
const DestinationType target_destination_type;
DestinationTypes visit(const TargetReason &) const
{
return { target_destination_type };
}
DestinationTypes visit(const DependentReason &) const
{
return { dt_install_to_slash };
}
DestinationTypes visit(const ViaBinaryReason &) const
{
return { };
}
DestinationTypes visit(const WasUsedByReason &) const
{
return { dt_install_to_slash };
}
DestinationTypes visit(const DependencyReason &) const
{
return { dt_install_to_slash };
}
DestinationTypes visit(const PresetReason &) const
{
return { };
}
DestinationTypes visit(const LikeOtherDestinationTypeReason & r) const
{
return r.reason_for_other()->accept_returning<DestinationTypes>(*this);
}
DestinationTypes visit(const SetReason & r) const
{
return r.reason_for_set()->accept_returning<DestinationTypes>(*this);
}
};
}
DestinationTypes
GetDestinationTypesForErrorHelper::operator() (
const PackageDepSpec &,
const std::shared_ptr<const Reason> & reason) const
{
return reason->accept_returning<DestinationTypes>(DestinationTypesFinder{_imp->target_destination_type});
}
namespace paludis
{
template class Pimp<GetDestinationTypesForErrorHelper>;
}
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