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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_ADDITIONAL_PACKAGE_DEP_SPEC_REQUIREMENT_HH
-#define PALUDIS_GUARD_PALUDIS_ADDITIONAL_PACKAGE_DEP_SPEC_REQUIREMENT_HH 1
-
-#include <paludis/additional_package_dep_spec_requirement-fwd.hh>
-#include <paludis/util/sequence.hh>
-#include <paludis/util/wrapped_forward_iterator.hh>
-#include <paludis/util/tribool-fwd.hh>
-#include <paludis/environment-fwd.hh>
-#include <paludis/changed_choices-fwd.hh>
-#include <paludis/package_id-fwd.hh>
-#include <utility>
-
-namespace paludis
-{
- /**
- * An additional requirement for a PackageDepSpec.
- *
- * \since 0.26
- * \ingroup g_dep_spec
- */
- class PALUDIS_VISIBLE AdditionalPackageDepSpecRequirement
- {
- public:
- AdditionalPackageDepSpecRequirement() = default;
- virtual ~AdditionalPackageDepSpecRequirement();
-
- AdditionalPackageDepSpecRequirement(const AdditionalPackageDepSpecRequirement &) = delete;
- AdditionalPackageDepSpecRequirement & operator= (const AdditionalPackageDepSpecRequirement &) = delete;
-
- /**
- * Is our requirement met for a given PackageID?
- *
- * The string in the return type might be a description of why the
- * requirement was not met. Sometimes better messages can be given
- * than simply the return value of as_human_string() when the ID to
- * be matched is known. If the bool is false, the string is
- * meaningless.
- *
- * \param spec_id The PackageID the spec comes from. May be null. Used for
- * [use=] style dependencies.
- *
- * \since 0.44 returns pair<bool, std::string>
- * \since 0.51 takes optional ChangedChoices arguments
- * \since 0.58 takes id by shared_ptr
- * \since 0.58 takes spec_id
- */
- virtual const std::pair<bool, std::string> requirement_met(
- const Environment * const,
- const ChangedChoices * const maybe_changes_to_owner,
- const std::shared_ptr<const PackageID> & target_id,
- const std::shared_ptr<const PackageID> & spec_id,
- const ChangedChoices * const maybe_changes_to_target) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
-
- /**
- * If possible, indicate which choices to change to make our
- * requirement met for a particular ID.
- *
- * Verifies that the ID has the appropriate choice, and that that
- * choice isn't locked.
- *
- * Returns true for changes made, false for not possible,
- * indeterminate for nothing needs changing.
- *
- * \param spec_id The PackageID the spec comes from. May be null. Used for
- * [use=] style dependencies.
- *
- * \since 0.51
- * \since 0.55 returns Tribool
- * \since 0.58 takes spec_id
- */
- virtual Tribool accumulate_changes_to_make_met(
- const Environment * const,
- const ChangedChoices * const maybe_changes_to_owner,
- const std::shared_ptr<const PackageID> &,
- const std::shared_ptr<const PackageID> & spec_id,
- ChangedChoices &) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
-
- /**
- * Return a human readable string representation of ourself.
- *
- * \param spec_id The PackageID the spec comes from. May be null. Used for
- * [use=] style dependencies.
- *
- * \since 0.58 takes spec_id
- */
- virtual const std::string as_human_string(
- const std::shared_ptr<const PackageID> & spec_id) const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
-
- /**
- * Return a raw string representation of ourself.
- */
- virtual const std::string as_raw_string() const PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
- };
-
- extern template class Sequence<std::shared_ptr<const AdditionalPackageDepSpecRequirement> >;
- extern template class WrappedForwardIterator<AdditionalPackageDepSpecRequirements::ConstIteratorTag,
- const std::shared_ptr<const AdditionalPackageDepSpecRequirement> >;
-}
-
-#endif