DataTypeBase.h

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/*********************************************************************
Copyright 2013 Karl Jones
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*********************************************************************/

/********************************************************************
    class:      DataTypeBase
    created:    18/09/2008
    author:     Karl Jones

    purpose:    Base class for all data types, all data types must
                provide a Decode/Encode functionality.
*********************************************************************/

#pragma once

#include "./../KDefines.h"
#include "./Enums/KDISEnums.h"
#include "./../KDataStream.h"
#include "./../Extras/KUtils.h"

namespace KDIS {
namespace DATA_TYPE {

class KDIS_EXPORT DataTypeBase
{
public:

    DataTypeBase();

    virtual ~DataTypeBase();

    //************************************
    // FullName:    KDIS::DATA_TYPE::DataTypeBase::GetAsString
    //!Description: Returns a string representation.
    //************************************
    virtual KString GetAsString() const = 0;

    //************************************
    // FullName:    KDIS::DATA_TYPE::DataTypeBase::Decode
    //!Description: Convert From Network Data.
    // Parameter:   KDataStream & stream
    //************************************
    virtual void Decode( KDataStream & stream ) throw( KException ) = 0;

    //************************************
    // FullName:    KDIS::DATA_TYPE::DataTypeBase::Encode
    //!Description: Convert To Network Data.
    // Parameter:   KDataStream & stream
    //************************************
    virtual KDataStream Encode() const = 0;
    virtual void Encode( KDataStream & stream ) const = 0;

    friend KDataStream & operator >> ( KDataStream & stream, DataTypeBase * DTB )
    {
        DTB->Decode( stream );
        return stream;
    };

    friend KDataStream & operator << ( KDataStream & stream, DataTypeBase * DTB )
    {
        DTB->Encode( stream );
        return stream;
    };

    // For streaming a data type into a KDataStream,
#define KDIS_STREAM ( DataTypeBase * ) &
};

} // END namespace DATA_TYPES
} // END namespace KDIS