Return.hpp

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

                        Return.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                   *
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 *   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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 *   Lesser General Public License for more details.                       *
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#ifndef ORO_RETURN_HPP
#define ORO_RETURN_HPP

#include "Collect.hpp"

namespace RTT
{
    namespace internal
    {
        template<int, class F, class BaseImpl>
        struct ReturnImpl;

        template<class F, class BaseImpl>
        struct Return
            : public ReturnImpl<boost::function_traits<F>::arity,F,BaseImpl>
        {};


        template<class F, class BaseImpl>
        struct ReturnImpl<0,F, BaseImpl>
            : public Collect<F,BaseImpl>
        {
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<1,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::result_type result_type;
            typedef typename boost::function<F>::arg1_type arg1_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<2,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<3,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            typedef typename boost::function<F>::arg3_type arg3_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<4,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            typedef typename boost::function<F>::arg3_type arg3_type;
            typedef typename boost::function<F>::arg4_type arg4_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<5,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            typedef typename boost::function<F>::arg3_type arg3_type;
            typedef typename boost::function<F>::arg4_type arg4_type;
            typedef typename boost::function<F>::arg5_type arg5_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<6,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            typedef typename boost::function<F>::arg3_type arg3_type;
            typedef typename boost::function<F>::arg4_type arg4_type;
            typedef typename boost::function<F>::arg5_type arg5_type;
            typedef typename boost::function<F>::arg6_type arg6_type;
            virtual ~ReturnImpl() {}

        };

        template<class F, class BaseImpl>
        struct ReturnImpl<7,F,BaseImpl>
            : public Collect<F,BaseImpl>
        {
            typedef typename boost::function<F>::arg1_type arg1_type;
            typedef typename boost::function<F>::arg2_type arg2_type;
            typedef typename boost::function<F>::arg3_type arg3_type;
            typedef typename boost::function<F>::arg4_type arg4_type;
            typedef typename boost::function<F>::arg5_type arg5_type;
            typedef typename boost::function<F>::arg6_type arg6_type;
            typedef typename boost::function<F>::arg7_type arg7_type;
            virtual ~ReturnImpl() {}

        };
    }
}
#endif