Saf/Ref.h

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/*
    This file is part of Simple Application Framework (Saf) library.
    Copyright (C) 2010 - 2012 Ondrej Danek <ondrej.danek@gmail.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, either version 3 of the License, or
    (at your option) any later version.

    Saf 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Simple Application Framework library. If not, 
    see <http://www.gnu.org/licenses/>.
*/

#ifndef SAF_REF_H
#define SAF_REF_H

namespace Saf
{
    namespace Internal
    {
        template <class T>
        class RefWrapper
        {
        private:
            T* m_ptr;

        public:
            explicit RefWrapper(T& val)
                : m_ptr(&val)
            {}

            operator T& () const 
            { 
                return *m_ptr; 
            }

            T& Ref() const
            { 
                return *m_ptr; 
            }

            T* Ptr() const
            { 
                return m_ptr; 
            }
        };
    }
    template <class T>
    inline Internal::RefWrapper<T> Ref(T& val)
    {
        return Internal::RefWrapper<T>(val);
    }

    template <class T>
    inline Internal::RefWrapper<T const> ConstRef(T const &val)
    {
        return Internal::RefWrapper<T const>(val);
    }
}

#endif