metaprogramming_serialization.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2020, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */
#pragma once

#include <mrpt/serialization/serialization_frwds.h>

namespace mrpt::serialization::metaprogramming
{
/** \addtogroup stlext_grp
 * @{ */

/** An object for reading objects from a stream, intended for being used in STL
 * algorithms. */
struct ObjectReadFromStream
{
   private:
    mrpt::serialization::CArchive* m_stream;

   public:
    inline ObjectReadFromStream(mrpt::serialization::CArchive* stream)
        : m_stream(stream)
    {
    }
    // T can be CSerializable::Ptr, CSerializable, or any other class
    // implementing ">>"
    template <typename T>
    inline void operator()(T& obj)
    {
        (*m_stream) >> obj;
    }
};

template <typename ptr_t>
struct ObjectReadFromStreamToPtrs
{
   private:
    mrpt::serialization::CArchive* m_stream;

   public:
    inline ObjectReadFromStreamToPtrs(mrpt::serialization::CArchive* stream)
        : m_stream(stream)
    {
    }
    template <typename ptr2ptr_t>
    inline void operator()(ptr2ptr_t& obj)
    {
        ptr_t p;
        (*m_stream) >> p;
        obj = p;
    }
};

/** An object for writing objects to a stream, intended for being used in STL
 * algorithms. */
struct ObjectWriteToStream
{
   private:
    mrpt::serialization::CArchive* m_stream;

   public:
    inline ObjectWriteToStream(mrpt::serialization::CArchive* stream)
        : m_stream(stream)
    {
    }

    // T can be CSerializable::Ptr, CSerializable, or any other class
    // implementing "<<"
    template <typename T>
    inline void operator()(const T& ptr)
    {
        (*m_stream) << ptr;
    }
};

/** @} */  // end of grouping
}  // namespace mrpt::serialization::metaprogramming