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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2005, 2006, 2007, 2008, 2009, 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 "fake_installed_repository.hh"
#include <paludis/util/sequence.hh>
#include <paludis/util/set.hh>
#include <paludis/util/make_named_values.hh>
#include <paludis/util/make_null_shared_ptr.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/package_id.hh>
#include <paludis/metadata_key.hh>
#include <paludis/environment.hh>
#include <paludis/dep_spec_flattener.hh>
#include <paludis/dep_spec.hh>
#include <paludis/action.hh>
#include <paludis/literal_metadata_key.hh>

#include <paludis/util/pimp-impl.hh>

using namespace paludis;

namespace paludis
{
    template <>
    struct Imp<FakeInstalledRepository>
    {
        std::shared_ptr<const MetadataValueKey<std::string> > format_key;
        std::shared_ptr<const MetadataValueKey<FSPath> > installed_root_key;
        const bool supports_uninstall;
        const bool is_suitable_destination;

        Imp(const bool s, const bool b) :
            format_key(std::make_shared<LiteralMetadataValueKey<std::string> >(
                        "format", "format", mkt_significant, "installed_fake")),
            installed_root_key(std::make_shared<LiteralMetadataValueKey<FSPath> >(
                        "installed_root", "installed_root", mkt_normal, FSPath("/"))),
            supports_uninstall(s),
            is_suitable_destination(b)
        {
        }
    };
}

FakeInstalledRepository::FakeInstalledRepository(const FakeInstalledRepositoryParams & p) :
    FakeRepositoryBase(p.environment(), p.name(), make_named_values<RepositoryCapabilities>(
                n::destination_interface() = this,
                n::environment_variable_interface() = static_cast<RepositoryEnvironmentVariableInterface *>(0),
                n::make_virtuals_interface() = static_cast<RepositoryMakeVirtualsInterface *>(0),
                n::manifest_interface() = static_cast<RepositoryManifestInterface *>(0),
                n::virtuals_interface() = static_cast<RepositoryVirtualsInterface *>(0)
                )),
    _imp(p.supports_uninstall(), p.suitable_destination())
{
    add_metadata_key(_imp->format_key);
    add_metadata_key(_imp->installed_root_key);
}

FakeInstalledRepository::~FakeInstalledRepository()
{
}

bool
FakeInstalledRepository::is_suitable_destination_for(const std::shared_ptr<const PackageID> &) const
{
    return _imp->is_suitable_destination;
}

bool
FakeInstalledRepository::want_pre_post_phases() const
{
    return true;
}

void
FakeInstalledRepository::merge(const MergeParams &)
{
}

namespace
{
    struct SupportsActionQuery
    {
        const bool supports_uninstall;

        SupportsActionQuery(const bool s) :
            supports_uninstall(s)
        {
        }

        bool visit(const SupportsActionTest<InstallAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<ConfigAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<PretendAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<FetchAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<PretendFetchAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<InfoAction> &) const
        {
            return false;
        }

        bool visit(const SupportsActionTest<UninstallAction> &) const
        {
            return supports_uninstall;
        }
    };
}

bool
FakeInstalledRepository::some_ids_might_support_action(const SupportsActionTestBase & a) const
{
    SupportsActionQuery q(_imp->supports_uninstall);
    return a.accept_returning<bool>(q);
}

bool
FakeInstalledRepository::some_ids_might_not_be_masked() const
{
    return true;
}

const bool
FakeInstalledRepository::is_unimportant() const
{
    return false;
}

const std::shared_ptr<const MetadataValueKey<std::string> >
FakeInstalledRepository::format_key() const
{
    return _imp->format_key;
}

const std::shared_ptr<const MetadataValueKey<FSPath> >
FakeInstalledRepository::location_key() const
{
    return std::shared_ptr<const MetadataValueKey<FSPath> >();
}

const std::shared_ptr<const MetadataValueKey<FSPath> >
FakeInstalledRepository::installed_root_key() const
{
    return _imp->installed_root_key;
}

RepositoryName FakeInstalledRepository::repository_factory_name(
        const Environment * const,
        const std::function<std::string (const std::string &)> & f)
{
    return RepositoryName(f("name"));
}

std::shared_ptr<Repository>
FakeInstalledRepository::repository_factory_create(
        Environment * const env,
        const std::function<std::string (const std::string &)> & f)
{
    Context context("When creating FakeInstalledRepository:");
    RepositoryName name(f("name"));

    return std::make_shared<FakeInstalledRepository>(make_named_values<FakeInstalledRepositoryParams>(
                    n::environment() = env,
                    n::name() = name,
                    n::suitable_destination() = true,
                    n::supports_uninstall() = true
                    ));
}

std::shared_ptr<const RepositoryNameSet>
FakeInstalledRepository::repository_factory_dependencies(
        const Environment * const,
        const std::function<std::string (const std::string&)> &)
{
    return std::make_shared<RepositoryNameSet>();
}

const std::shared_ptr<const MetadataValueKey<std::string> >
FakeInstalledRepository::accept_keywords_key() const
{
    return make_null_shared_ptr();
}

const std::shared_ptr<const MetadataCollectionKey<Map<std::string, std::string> > >
FakeInstalledRepository::sync_host_key() const
{
    return make_null_shared_ptr();
}