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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
 */

#ifndef PALUDIS_GUARD_PALUDIS_REPOSITORIES_E_E_REPOSITORY_PROFILE_HH
#define PALUDIS_GUARD_PALUDIS_REPOSITORIES_E_E_REPOSITORY_PROFILE_HH 1

#include <paludis/dep_spec-fwd.hh>
#include <paludis/package_id-fwd.hh>
#include <paludis/name.hh>
#include <paludis/version_spec-fwd.hh>
#include <paludis/mask-fwd.hh>
#include <paludis/metadata_key-fwd.hh>
#include <paludis/choice-fwd.hh>
#include <paludis/spec_tree-fwd.hh>
#include <paludis/util/tribool.hh>
#include <paludis/util/wrapped_forward_iterator-fwd.hh>
#include <paludis/util/map-fwd.hh>
#include <paludis/util/singleton.hh>
#include <paludis/repositories/e/ebuild_id.hh>
#include <paludis/repositories/e/mask_info.hh>
#include <string>
#include <functional>

namespace paludis
{
    class ERepository;

    namespace erepository
    {
        typedef std::function<bool (const UnprefixedChoiceName &)> IsArchFlagFunction;

        class PALUDIS_VISIBLE Profile
        {
            public:
                virtual ~Profile() = 0;

                virtual std::shared_ptr<const FSPathSequence> profiles_with_parents() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual bool use_masked(
                        const std::shared_ptr<const EbuildID> &,
                        const std::shared_ptr<const Choice> &,
                        const UnprefixedChoiceName & value_unprefixed,
                        const ChoiceNameWithPrefix & value_prefixed
                        ) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual bool use_forced(
                        const std::shared_ptr<const EbuildID> &,
                        const std::shared_ptr<const Choice> &,
                        const UnprefixedChoiceName & value_unprefixed,
                        const ChoiceNameWithPrefix & value_prefixed
                        ) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual Tribool use_state_ignoring_masks(
                        const std::shared_ptr<const PackageID> &,
                        const std::shared_ptr<const Choice> &,
                        const UnprefixedChoiceName & value_unprefixed,
                        const ChoiceNameWithPrefix & value_prefixed
                        ) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual const std::shared_ptr<const Set<UnprefixedChoiceName> > known_choice_value_names(
                        const std::shared_ptr<const erepository::ERepositoryID> &,
                        const std::shared_ptr<const Choice> &
                        ) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual const std::shared_ptr<const Set<std::string> > use_expand() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string> > use_expand_hidden() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string>> use_expand_no_describe() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string> > use_expand_unprefixed() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string> > use_expand_implicit() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string> > iuse_implicit() const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
                virtual const std::shared_ptr<const Set<std::string> > use_expand_values(const std::string &) const
                    PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;

                virtual const std::string environment_variable(const std::string &) const = 0;

                virtual const std::shared_ptr<const MasksInfo> profile_masks(const std::shared_ptr<const PackageID> &) const = 0;

                virtual const std::shared_ptr<const SetSpecTree> system_packages() const = 0;
        };

        class PALUDIS_VISIBLE ProfileFactory :
            public Singleton<ProfileFactory>
        {
            friend class Singleton<ProfileFactory>;

            private:
                ProfileFactory();

            public:
                const std::shared_ptr<Profile> create(
                        const std::string & format,
                        const Environment * const env,
                        const RepositoryName &,
                        const EAPIForFileFunction & eapi_for_file,
                        const IsArchFlagFunction & is_arch_flag,
                        const FSPathSequence & dirs,
                        const std::string & arch_var_if_special,
                        const bool profiles_explicitly_set,
                        const bool has_master_repositories,
                        const bool ignore_deprecated_profiles
                        ) const PALUDIS_ATTRIBUTE((warn_unused_result));
        };
    }

    extern template class Singleton<erepository::ProfileFactory>;
}

#endif