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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2009 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_RESOLVER_CONSTRAINT_HH
#define PALUDIS_GUARD_PALUDIS_RESOLVER_CONSTRAINT_HH 1
#include <paludis/resolver/constraint-fwd.hh>
#include <paludis/resolver/reason-fwd.hh>
#include <paludis/resolver/use_installed-fwd.hh>
#include <paludis/resolver/sanitised_dependencies.hh>
#include <paludis/util/named_value.hh>
#include <paludis/dep_spec.hh>
#include <tr1/memory>
namespace paludis
{
namespace n
{
struct nothing_is_fine_too;
struct reason;
struct spec;
struct to_destination_slash;
struct use_installed;
}
namespace resolver
{
struct Constraint
{
NamedValue<n::nothing_is_fine_too, bool> nothing_is_fine_too;
NamedValue<n::reason, std::tr1::shared_ptr<const Reason> > reason;
NamedValue<n::spec, PackageOrBlockDepSpec> spec;
NamedValue<n::to_destination_slash, bool> to_destination_slash;
NamedValue<n::use_installed, UseInstalled> use_installed;
};
class PALUDIS_VISIBLE Constraints :
private PrivateImplementationPattern<Constraints>
{
public:
Constraints();
~Constraints();
UseInstalled strictest_use_installed() const PALUDIS_ATTRIBUTE((warn_unused_result));
void add(const std::tr1::shared_ptr<const Constraint> &);
struct ConstIteratorTag;
typedef WrappedForwardIterator<ConstIteratorTag, const std::tr1::shared_ptr<const Constraint> > ConstIterator;
ConstIterator begin() const PALUDIS_ATTRIBUTE((warn_unused_result));
ConstIterator end() const PALUDIS_ATTRIBUTE((warn_unused_result));
bool empty() const PALUDIS_ATTRIBUTE((warn_unused_result));
};
}
#ifdef PALUDIS_HAVE_EXTERN_TEMPLATE
extern template class PrivateImplementationPattern<resolver::Constraints>;
#endif
}
#endif
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