include/dlvhex2/DLVresultParserDriver.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.
 */

#if !defined(_DLVHEX_DLVRESULTPARSERDRIVER_H)
#define _DLVHEX_DLVRESULTPARSERDRIVER_H

#include "dlvhex2/PlatformDefinitions.h"
#include "dlvhex2/AnswerSet.h"
#include "dlvhex2/Error.h"

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

#include <iostream>
#include <string>

DLVHEX_NAMESPACE_BEGIN

struct Registry;
typedef boost::shared_ptr<Registry> RegistryPtr;

class DLVHEX_EXPORT DLVResultParser
{
    public:
        enum ParseMode
        {
            FirstOrder,
            HO
        };

        typedef boost::function<void (AnswerSet::Ptr)> AnswerSetAdder;

    protected:
        RegistryPtr reg;
        ParseMode pMode;

    public:
        DLVResultParser(RegistryPtr reg);
        DLVResultParser(RegistryPtr reg, ParseMode mode);
        virtual ~DLVResultParser();

        void setParseMode(ParseMode mode);

        void parse(std::istream& is,
            AnswerSetAdder answerSetAdder) throw (SyntaxError);
};

DLVHEX_NAMESPACE_END
#endif                           // _DLVHEX_DLVRESULTPARSERDRIVER_H


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