include/dlvhex2/ExternalAtomVerificationTree.h

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/* dlvhex -- Answer-Set Programming with external interfaces.
 * Copyright (C) 2005-2007 Roman Schindlauer
 * Copyright (C) 2006-2015 Thomas Krennwallner
 * Copyright (C) 2009-2016 Peter Schüller
 * Copyright (C) 2011-2016 Christoph Redl
 * Copyright (C) 2015-2016 Tobias Kaminski
 * Copyright (C) 2015-2016 Antonius Weinzierl
 *
 * This file is part of dlvhex.
 *
 * dlvhex is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * dlvhex 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with dlvhex; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef EXTERNALATOMVERIFICATIONTREE_H_INCLUDED__
#define EXTERNALATOMVERIFICATIONTREE_H_INCLUDED__

#include "dlvhex2/PlatformDefinitions.h"
#include "dlvhex2/fwd.h"
#include "dlvhex2/ID.h"
#include "dlvhex2/Registry.h"
#include "dlvhex2/Nogood.h"

#include <boost/unordered_map.hpp>
#include <boost/shared_ptr.hpp>

DLVHEX_NAMESPACE_BEGIN

class ExternalAtomVerificationTree{
public:
    struct Node{
        typedef boost::shared_ptr<Node> Ptr;
        ID label;
        InterpretationPtr verified;
        std::vector<Ptr> childNodes;
    };
    typedef Node::Ptr NodePtr;
    NodePtr root;
    ExternalAtomVerificationTree();
    void addNogood(const Nogood& iong, RegistryPtr reg, bool includeNegated);
    std::string toString(RegistryPtr reg, int indent = 0, NodePtr root = NodePtr());
    InterpretationConstPtr getVerifiedAuxiliaries(InterpretationConstPtr partialInterpretation, InterpretationConstPtr assigned, RegistryPtr reg);
private:
    void getVerifiedAuxiliaries(NodePtr current, InterpretationPtr output, InterpretationConstPtr partialInterpretation, InterpretationConstPtr assigned, RegistryPtr reg);
};

DLVHEX_NAMESPACE_END
#endif                           // GUESSANDCHECK_MODEL_GENERATOR_HPP_INCLUDED__09112010

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