blobhandler.h

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/*
* Copyright 2016 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/


#pragma once


#include "gwnavruntime/blob/baseblobhandler.h"
#include "gwnavruntime/base/memory.h"


namespace Kaim
{

template<class T>
class BlobTypeDescriptor : public IBlobTypeDescriptor
{
public:
    virtual KyUInt32    GetBlobTypeId()      const { return T::GetBlobTypeId();      }
    virtual const char* GetBlobTypeName()    const { return T::GetBlobTypeName();    }
    virtual KyUInt32    GetBlobTypeVersion() const { return T::GetBlobTypeVersion(); }
    virtual void DoSwapEndianness(Endianness::Target e, void* blob) const { SwapEndianness(e, *((T*)blob)); }
    virtual IBlobTypeDescriptor* CreateBlobTypeDescriptor(int memStat = Stat_Default_Mem) const { return KY_NEW_ID(memStat) BlobTypeDescriptor<T>; }
    virtual BaseBlobHandler* CreateBlobHandler(int memStat = Stat_Default_Mem) const;
};

template<class T>
class BlobHandler : public BaseBlobHandler
{
    KY_CLASS_WITHOUT_COPY(BlobHandler)

public:
    BlobHandler() {}

    virtual KyUInt32    GetBlobTypeId()      const { return T::GetBlobTypeId();      }
    virtual const char* GetBlobTypeName()    const { return T::GetBlobTypeName();    }
    virtual KyUInt32    GetBlobTypeVersion() const { return T::GetBlobTypeVersion(); }
    virtual void DoSwapEndianness(Endianness::Target e, void* blob) const { SwapEndianness(e, *((T*)blob)); }
    virtual IBlobTypeDescriptor* CreateBlobTypeDescriptor(int memStat = Stat_Default_Mem) const { return KY_NEW_ID(memStat) BlobTypeDescriptor<T>; }
    virtual BaseBlobHandler*     CreateBlobHandler(       int memStat = Stat_Default_Mem) const { return KY_NEW_ID(memStat) BlobHandler<T>; }

    const T* Blob() const { return (const T*)m_blob; } /*< Retrieves the blob maintained by this handler. */
    T*       Blob()       { return (T*)m_blob; }       /*< Retrieves the blob maintained by this handler. */
};


template <class T>
BaseBlobHandler* BlobTypeDescriptor<T>::CreateBlobHandler(int memStat) const { return KY_NEW_ID(memStat) BlobHandler<T>; }

}