omx_classmagic.h

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#ifndef OMX_CLASSMAGIC_H_
#define OMX_CLASSMAGIC_H_


#ifdef DOXYGEN_PREPROCESSING
#define CLASS(a) class a { public:
#define DERIVEDCLASS(a, b) class a : public b { public:
#define ENDCLASS(a) a##_FIELDS };
#else
#define CLASS(a) typedef struct a a; \
 struct a { 
#define DERIVEDCLASS(a, b) typedef struct a a; \
 struct a {
#define ENDCLASS(a) a##_FIELDS };
#endif

#if 0 /*EXAMPLES*/

CLASS(A)
#define A_FIELDS \
 \
    int a; \
 \
    int ash;
ENDCLASS(A)
 

DERIVEDCLASS(B,A)
#define B_FIELDS A_FIELDS \
 \
    int b;
ENDCLASS(B)


DERIVEDCLASS(B2,A)
#define B2_FIELDS A_FIELDS \
 \
    int b2;
ENDCLASS(B2)


DERIVEDCLASS(C,B)
#define C_FIELDS B_FIELDS \
 \
    int c;
ENDCLASS(C)

#endif /* 0 */

#endif

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