CMemoryChunk.cpp

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/* +---------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)               |
   |                          http://www.mrpt.org/                             |
   |                                                                           |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file        |
   | See: http://www.mrpt.org/Authors - All rights reserved.                   |
   | Released under BSD License. See details in http://www.mrpt.org/License    |
   +---------------------------------------------------------------------------+ */
 
#include "base-precomp.h"  // Precompiled headers
 
 
#include <mrpt/utils/CMemoryChunk.h>
 
using namespace mrpt::utils;
 
 
// This must be added to any CSerializable class implementation file.
IMPLEMENTS_SERIALIZABLE(CMemoryChunk, CSerializable, mrpt::utils)
 
/*---------------------------------------------------------------
                                                writeToStream
 ---------------------------------------------------------------*/
void  CMemoryChunk::writeToStream(mrpt::utils::CStream &out, int *out_Version) const
{
        if (out_Version)
                *out_Version = 0;
        else
        {
                out << static_cast<uint64_t>(m_bytesWritten);
                if (m_bytesWritten)
                {
                        ASSERT_(m_memory.get())
                        out.WriteBuffer(m_memory.get(),m_bytesWritten);
                }
        }
 
}
 
/*---------------------------------------------------------------
                                                readFromStream
 ---------------------------------------------------------------*/
void  CMemoryChunk::readFromStream(mrpt::utils::CStream &in, int version)
{
        switch(version)
        {
        case 0:
                {
                        uint64_t   N;
                        in >> N;
                        resize(N);
 
                        m_bytesWritten = N;
                        m_position     = 0;
                        if (N)
                                in.ReadBuffer( m_memory.get(), N );
 
                } break;
        default:
                MRPT_THROW_UNKNOWN_SERIALIZATION_VERSION(version)
 
        };
}