include/dlvhex2/Process.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_PROCESS_H)
#define _DLVHEX_PROCESS_H

#include "dlvhex2/PlatformDefinitions.h"

#include <string>
#include <vector>

DLVHEX_NAMESPACE_BEGIN

class DLVHEX_EXPORT Process
{
    public:
        virtual
            ~Process() { }

        virtual void
            addOption(const std::string& o) = 0;

        virtual std::string
            path() const = 0;

        virtual std::vector<std::string>
            commandline() const = 0;

        virtual void
            spawn() = 0;

        virtual void
            spawn(const std::vector<std::string>& c) = 0;

        virtual void
            endoffile() = 0;

        virtual int
            close(bool kill=false) = 0;

        virtual std::ostream&
            getOutput() = 0;

        virtual std::istream&
            getInput() = 0;
};

DLVHEX_NAMESPACE_END
#endif                           // _DLVHEX_PROCESS_H


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