CollectBase.hpp

/***************************************************************************
  tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  CollectBase.hpp

                        CollectBase.hpp -  description
                           -------------------
    begin                : Tue September 07 2010
    copyright            : (C) 2010 The SourceWorks
    email                : peter@thesourceworks.com

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU General Public                   *
 *   License as published by the Free Software Foundation;                 *
 *   version 2 of the License.                                             *
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 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
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 *   resulting executable to be covered by the GNU General Public          *
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 *   Public License.                                                       *
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 *   Lesser General Public License for more details.                       *
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 *   Foundation, Inc., 59 Temple Place,                                    *
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#ifndef ORO_COLLECT_BASE_HPP
#define ORO_COLLECT_BASE_HPP

#include "CollectSignature.hpp"
#include "../SendStatus.hpp"
#include "ReturnBase.hpp"
#include <boost/function.hpp>

namespace RTT
{
    namespace internal
    {
        template<int, class Ft>
        struct CollectBaseImpl;

        template<class F>
        struct CollectBase
            : public CollectBaseImpl< boost::function_traits<typename CollectType<F>::Ft>::arity, typename CollectType<F>::Ft >,
              public ReturnBaseImpl< boost::function_traits<F>::arity, F>
        {
            typedef boost::shared_ptr<CollectBase<F> > shared_ptr;
        };

        template<class Ft>
        struct CollectBaseImpl<0,Ft>
        {
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;

            virtual SendStatus collectIfDone() = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<1,Ft>
        {
            typedef typename boost::function<Ft>::result_type result_type;
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;

            virtual SendStatus collect(arg1_type a1) = 0;

            virtual SendStatus collectIfDone(arg1_type a1) = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<2,Ft>
        {
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            typedef typename boost::function<Ft>::arg2_type arg2_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;
            virtual SendStatus collect(arg1_type a1, arg2_type a2) = 0;
            virtual SendStatus collectIfDone(arg1_type a1, arg2_type a2) = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<3,Ft>
        {
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            typedef typename boost::function<Ft>::arg2_type arg2_type;
            typedef typename boost::function<Ft>::arg3_type arg3_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;
            virtual SendStatus collect(arg1_type a1, arg2_type a2, arg3_type a3) = 0;
            virtual SendStatus collectIfDone(arg1_type a1, arg2_type a2, arg3_type a3) = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<4,Ft>
        {
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            typedef typename boost::function<Ft>::arg2_type arg2_type;
            typedef typename boost::function<Ft>::arg3_type arg3_type;
            typedef typename boost::function<Ft>::arg4_type arg4_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;
            virtual SendStatus collect(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4) = 0;
            virtual SendStatus collectIfDone(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4) = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<5,Ft>
        {
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            typedef typename boost::function<Ft>::arg2_type arg2_type;
            typedef typename boost::function<Ft>::arg3_type arg3_type;
            typedef typename boost::function<Ft>::arg4_type arg4_type;
            typedef typename boost::function<Ft>::arg5_type arg5_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;
            virtual SendStatus collect(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, arg5_type a5) = 0;
            virtual SendStatus collectIfDone(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, arg5_type a5) = 0;
        };

        template<class Ft>
        struct CollectBaseImpl<6,Ft>
        {
            typedef typename boost::function<Ft>::arg1_type arg1_type;
            typedef typename boost::function<Ft>::arg2_type arg2_type;
            typedef typename boost::function<Ft>::arg3_type arg3_type;
            typedef typename boost::function<Ft>::arg4_type arg4_type;
            typedef typename boost::function<Ft>::arg5_type arg5_type;
            typedef typename boost::function<Ft>::arg6_type arg6_type;
            virtual ~CollectBaseImpl() {}

            virtual SendStatus collect() = 0;
            virtual SendStatus collect(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, arg5_type a5, arg6_type a6) = 0;
            virtual SendStatus collectIfDone(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, arg5_type a5, arg6_type a6) = 0;
        };
    }
}
#endif