RuntimeTypeInfo.h

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#ifndef NW4HBM_UT_RUNTIME_TYPE_INFO_H
#define NW4HBM_UT_RUNTIME_TYPE_INFO_H
 
#include <revolution/types.h>
 
namespace nw4hbm {
    namespace ut {
 
#define NW4HBM_UT_RUNTIME_TYPEINFO                                                                 \
    virtual const nw4hbm::ut::detail::RuntimeTypeInfo* GetRuntimeTypeInfo() const {                \
        return &typeInfo;                                                                          \
    }                                                                                              \
    static const nw4hbm::ut::detail::RuntimeTypeInfo typeInfo
 
#define NW4HBM_UT_GET_RUNTIME_TYPEINFO(T)                                                          \
    const nw4hbm::ut::detail::RuntimeTypeInfo T::typeInfo(NULL);
 
#define NW4HBM_UT_GET_DERIVED_RUNTIME_TYPEINFO(T, D)                                               \
    const nw4hbm::ut::detail::RuntimeTypeInfo T::typeInfo(&D::typeInfo);
 
        namespace detail {
            struct RuntimeTypeInfo {
                explicit RuntimeTypeInfo(const RuntimeTypeInfo* base) : mParentTypeInfo(base) {}
 
                bool IsDerivedFrom(const RuntimeTypeInfo* base) const {
                    for (const RuntimeTypeInfo* it = this; it != NULL; it = it->mParentTypeInfo) {
                        if (it == base) {
                            return true;
                        }
                    }
                    return false;
                }
 
                /* 0x00 */ const RuntimeTypeInfo* mParentTypeInfo;
            };  // size = 0x04
 
            template <typename T>
            inline const RuntimeTypeInfo* GetTypeInfoFromPtr_(T* pPtr) {
                return &pPtr->typeInfo;
            }
        }  // namespace detail
 
        template <typename TDerived, typename TBase>
        inline TDerived DynamicCast(TBase* pPtr) {
            const detail::RuntimeTypeInfo* pDerivedTypeInfo =
                detail::GetTypeInfoFromPtr_(static_cast<TDerived>(NULL));
            if (pPtr->GetRuntimeTypeInfo()->IsDerivedFrom(pDerivedTypeInfo)) {
                return static_cast<TDerived>(pPtr);
            }
            return NULL;
        }
 
    }  // namespace ut
}  // namespace nw4hbm
 
#endif