gzDistSerializeMemory.h

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//*****************************************************************************
// File         : gzDistSerializeMemory.h
// Module       : gzDistribution
// Description  : Definition of gzDistSerializeAdapterMemory
// Author       : Christian Andersson
// Product      : GizmoDistribution 2.1.1
//
// Copyright © 2004 - Saab Training Systems AB, Sweden
//
// NOTE:    GizmoDistribution is a toolkit used for implementing distributed 
//          objects and events in C++
//
//
// Revision History...
//
// Who  Date    Description
//
// CAN  040305  Created file
//
//*****************************************************************************
#ifndef __GZ_DIST_SERIALIZE_ADAPTER_MEMORY_H__
#define __GZ_DIST_SERIALIZE_ADAPTER_MEMORY_H__

// Includes
#include "gzDistBase.h"

// Constants
#define GZ_DIST_MESSAGE_BUFFER_SIZE         1024    
#define GZ_DIST_MAX_CODED_BUFFER_FACTOR     2       


//----------------------- gzDistSerializeMemoryData -------------------------

// Internal
class gzDistSerializeMemoryData : public gzReference
{
    public:

        GZ_DIST_EXPORT gzDistSerializeMemoryData();
        GZ_DIST_EXPORT virtual ~gzDistSerializeMemoryData();

        // The serialized data.
        gzUByte data[GZ_DIST_MESSAGE_BUFFER_SIZE];

        // Number of stored bytes in data.
        gzUInt numberOfBytes;
};

//----------------------- gzDistSerializeAdapterMemory -------------------------

// Internal
class gzDistSerializeAdapterMemory : public gzSerializeAdapterMemory
{
    public:
        GZ_DIST_EXPORT gzDistSerializeAdapterMemory();
        GZ_DIST_EXPORT virtual ~gzDistSerializeAdapterMemory();

        GZ_DIST_EXPORT gzVoid setStore(gzList<gzDistSerializeMemoryData>* store);
        GZ_DIST_EXPORT gzVoid setHeaderSize(gzUInt bytes);
        GZ_DIST_EXPORT gzBool setPosition(gzUInt position);
        GZ_DIST_EXPORT gzULong getPosition();
        
    protected:
        gzVoid write_imp(gzUByte data);
        gzUByte read_imp();
        gzVoid write_imp(gzUByte *data, gzULong count);
        gzULong read_imp(gzUByte *data, gzULong maxcount);
        gzBool hasData_imp();
        
    private:
        gzVoid createNewBuffer();
        gzVoid getNextBuffer();
        gzBool moveForward(gzUInt bytes);

        gzList<gzDistSerializeMemoryData>* m_store;
        gzUInt m_listIndex;

        gzDistSerializeMemoryData* m_currentData;
        
        gzUInt m_headerSize;

        // The "global" position (Not only for fragment)
        gzUInt m_position;

        // The "local" position (Only for fragment)
        gzUInt m_fragmentPosition;
};

#endif

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