zfany.h

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#ifndef _ZFI_zfany_h_
#define _ZFI_zfany_h_
 
#include "zfcast.h"
ZF_NAMESPACE_GLOBAL_BEGIN
 
zfclassFwd ZFObject;
 
// ============================================================
// zfany
zfclassPOD ZFLIB_ZFCore zfany {
public:
    zfany(void) : _ZFP_obj(zfnull) {}
    zfany(ZF_IN zfany const &obj) : _ZFP_obj(obj._ZFP_obj) {}
    zfany(ZF_IN ZFObject *obj) : _ZFP_obj(obj) {}
    template<typename T_ZFObject>
    zfany(ZF_IN T_ZFObject const &obj) : _ZFP_obj(_ZFP_zfanyCast(obj)) {}
 
public:
    inline zfany &operator = (ZF_IN zfany const &obj) {
        _ZFP_obj = obj._ZFP_obj;
        return *this;
    }
    template<typename T_ZFObject>
    inline zfany &operator = (ZF_IN T_ZFObject const &obj) {
        _ZFP_obj = _ZFP_zfanyCast(obj);
        return *this;
    }
 
public:
    template<typename T_ZFObject>
    inline zfbool operator == (ZF_IN T_ZFObject const &obj) const {
        return this->toObject() == _ZFP_zfanyCast(obj);
    }
    template<typename T_ZFObject>
    inline zfbool operator != (ZF_IN T_ZFObject const &obj) const {
        return this->toObject() != _ZFP_zfanyCast(obj);
    }
 
public:
    inline ZFObject *operator -> (void) const {
        return _ZFP_obj;
    }
    inline operator zfbool (void) const {
        return _ZFP_obj != zfnull;
    }
    inline operator ZFObject * (void) const {
        return _ZFP_obj;
    }
    template<typename T_ZFObject>
    inline operator T_ZFObject * (void) const {
        return zfcast(T_ZFObject *, _ZFP_obj);
    }
 
public:
    static const ZFClass *ClassData(void);
 
public:
    inline ZFObject *toObject(void) const {
        return _ZFP_obj;
    }

    template<typename T_ZFObject>
    inline T_ZFObject to(void) const {
        return zfcast(T_ZFObject, _ZFP_obj);
    }
 
private:
    ZFObject *_ZFP_obj;
};
ZFCORE_POD_DECLARE_NO_COMPARER(zfany)
 
// ============================================================
template<typename T_ZFObjectBase>
zfclassPOD zfanyT : zfextend zfany {
public:
    zfanyT(void) : zfany() {}
    zfanyT(ZF_IN zfany const &obj) : zfany(obj) {}
    zfanyT(ZF_IN zfanyT<T_ZFObjectBase> const &obj) : zfany((zfany const &)obj) {}
    zfanyT(ZF_IN ZFObject *obj) : zfany(obj) {}
    template<typename T_ZFObject>
    zfanyT(ZF_IN T_ZFObject const &obj) : zfany(obj) {}
 
public:
    inline zfanyT<T_ZFObjectBase> &operator = (ZF_IN zfany const &obj) {
        zfany::operator = (obj);
        return *this;
    }
    inline zfanyT<T_ZFObjectBase> &operator = (ZF_IN zfanyT<T_ZFObjectBase> const &obj) {
        zfany::operator = ((zfany const &)obj);
        return *this;
    }
    template<typename T_ZFObject>
    inline zfanyT<T_ZFObjectBase> &operator = (ZF_IN T_ZFObject const &obj) {
        zfany::operator = (obj);
        return *this;
    }
 
public:
    template<typename T_ZFObject>
    inline zfbool operator == (ZF_IN T_ZFObject const &obj) const {
        return this->toObject() == _ZFP_zfanyCast(obj);
    }
    template<typename T_ZFObject>
    inline zfbool operator != (ZF_IN T_ZFObject const &obj) const {
        return this->toObject() != _ZFP_zfanyCast(obj);
    }
 
public:
    inline T_ZFObjectBase *operator -> (void) const {
        return zfcast(T_ZFObjectBase *, this->toObject());
    }
 
public:
    inline ZFObject *toObject(void) const { // required for _ZFP_zfanyCast to work
        return zfany::toObject();
    }
 
public:
    static const ZFClass *ClassData(void) {
        return T_ZFObjectBase::ClassData();
    }
};
ZFCORE_POD_DECLARE_TEMPLATE_NO_COMPARER(typename T_Type, zfanyT<T_Type>)
 
// ============================================================
template<typename T_ZFObject>
inline zfbool operator == (ZF_IN T_ZFObject *obj, ZF_IN zfany const &e) {
    return e.toObject() == _ZFP_zfanyCast(obj);
}
template<typename T_ZFObject>
inline zfbool operator != (ZF_IN T_ZFObject *obj, ZF_IN zfany const &e) {
    return e.toObject() != _ZFP_zfanyCast(obj);
}
 
// ============================================================
template<typename T_ZFObject, typename T_ZFObjectBase>
inline zfbool operator == (ZF_IN T_ZFObject *obj, ZF_IN zfanyT<T_ZFObjectBase> const &e) {
    return e.toObject() == _ZFP_zfanyCast(obj);
}
template<typename T_ZFObject, typename T_ZFObjectBase>
inline zfbool operator != (ZF_IN T_ZFObject *obj, ZF_IN zfanyT<T_ZFObjectBase> const &e) {
    return e.toObject() != _ZFP_zfanyCast(obj);
}
 
ZF_NAMESPACE_GLOBAL_END
#endif // #ifndef _ZFI_zfany_h_