iobject.h

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#ifndef _IObject_H
#define _IObject_H
/**************************************************************************
Copyright (c) 1994 - 2009 Autodesk, Inc. and/or its licensors.
All Rights Reserved.

The coded instructions, statements, computer programs, and/or related 
material (collectively the "Data") in these files contain unpublished 
information proprietary to Autodesk, Inc. and/or its licensors, which is 
protected by Canada and United States of America federal copyright law 
and by international treaties.

The Data may not be disclosed or distributed to third parties, in whole 
or in part, without the prior written consent of Autodesk, Inc. 
("Autodesk").

THE DATA IS PROVIDED "AS IS" AND WITHOUT WARRANTY.
ALL WARRANTIES ARE EXPRESSLY EXCLUDED AND DISCLAIMED. AUTODESK MAKES NO 
WARRANTY OF ANY KIND WITH RESPECT TO THE DATA, EXPRESS, IMPLIED OR 
ARISING BY CUSTOM OR TRADE USAGE, AND DISCLAIMS ANY IMPLIED WARRANTIES 
OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
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WARRANT THAT THE OPERATION OF THE DATA WILL BE UNINTERRUPTED OR ERROR 
FREE.

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**************************************************************************/

#include <kaydara.h>

#define IObjectID  0
#define IObjectDerived      public IObject

K_FORWARD( IObject );

typedef unsigned long kInterfaceID;

#define FncDefine(PFNC,ISPURE) virtual PFNC##ISPURE
#define K_IMPLEMENTATION    
#define IObjectImplement(ClassName,IObjectOwner) \
    HIObject ClassName##::IQuery(kInterfaceID pInterfaceID,int IsLocal) {\
        if ((IObjectOwner!=NULL) && (!IsLocal)) {\
            return IObjectOwner->IQuery(pInterfaceID);\
        }\
        switch (pInterfaceID) 
#define IObjectEnd return NULL; }
#define ILOCAL          1

#define IQUERY(Object,Interface) ((H##Interface)((Object)->IQuery(Interface##ID,0)))
#define IQUERYLOCAL(Object,Interface) ( (H##Interface)((Object)->IQuery(Interface##ID,ILOCAL)))

#define IQ(Object,Interface) IQUERY(Object,Interface)
#define IQT(Object,Interface) ((Object) ? IQUERY(Object,Interface):NULL)
#define IQL(Object,Interface) IQUERYLOCAL(Object,Interface)

/*********************************************************************
 *  Class IObject
 *    This is the base class of all Important interfaces of the system 
 *********************************************************************/

#define IObject_Declare(IsPure)\
public:\
    virtual HIObject    IQuery(kInterfaceID pInterfaceID, int IsLocal=0)IsPure;\
    virtual void        Destroy(int IsLocal=0)IsPure;\

#define IQuery_Declare(IsPure)\
public:\
    virtual HIObject IQuery (kInterfaceID pInterfaceID, int IsLocal=0)IsPure;\
    
class IObject {
    IObject_Declare(abstract);
};

typedef HIObject (* kObjectCreatorFnc)(HIObject pOwner,const char *pName,void *pData);

#ifdef KARCH_DEV_MSC
    #define K_INTERFACE_SPECIAL __declspec(novtable)
    #define NO_DLL              __declspec()        // Use for the Module parameter if the interface is not exported
#else 
    #define K_INTERFACE_SPECIAL 
    #define NO_DLL                                  // Use for the Module parameter if the interface is not exported
#endif

#define K_INTERFACE( Name,Id ) \
K_FORWARD( Name ); \
const int Name##ID = Id; \
class K_INTERFACE_SPECIAL Name : IObjectDerived { \
    Name##_Declare(abstract); \
} 

#endif  // Must be the last line of the include file