GB/GB_AttributeHandleBase.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Ondrej Kos
 *      Side Effects Software, Inc.
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        GB_AttributeHandleBase.h (C++)
 *
 * COMMENTS:    A base class for both GB_AttributeHandle and
 *              GB_AttributeListHandle.
 *
 */
#ifndef __GB_AttributeHandleBase_h__
#define __GB_AttributeHandleBase_h__

#include "GB_API.h"
#include "GB_AttributeDefines.h"

class GB_Detail;

class GB_API GB_AttributeHandleBase
{
public:
     /// Note the virtual destructor
    virtual ~GB_AttributeHandleBase();

    /// Invalidates the handle (gets rid of references to details)
    virtual void    invalidate();

protected:
    /// The basic constructor
    GB_AttributeHandleBase(const GB_Detail *gdp);

    /// The copy constructor
    GB_AttributeHandleBase(const GB_AttributeHandleBase &src);

    GB_AttributeHandleBase      &operator=(const GB_AttributeHandleBase &gah);

    void                         setDetail(const GB_Detail *gdp);
    const GB_Detail             *getDetail() const { return myDetail; }


    /// Some convenient lookup tables
    static const GB_AttributeStorage    theAttribTypeToStorage[];
    static const int                    theAttribTypeToBytes[];

private:
    const GB_Detail                 *myDetail;
};

#endif

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