CallForwarder.h

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namespace CF {
        template<typename TWhat> class CallForwarder {
        public:
                CallForwarder(TWhat * ptr) { m_ptr.new_t(ptr); }

                void Orphan() {*m_ptr = NULL;}
                bool IsValid() const { return *m_ptr != NULL; }
                bool IsEmpty() const { return !IsValid(); }

                TWhat * operator->() const {
                        PFC_ASSERT( IsValid() );
                        return *m_ptr;
                }

                TWhat & operator*() const {
                        PFC_ASSERT( IsValid() );
                        return **m_ptr;
                }

        private:
                pfc::rcptr_t<TWhat*> m_ptr;
        };

        template<typename TWhat> class CallForwarderMaster : public CallForwarder<TWhat> {
        public:
                CallForwarderMaster(TWhat * ptr) : CallForwarder<TWhat>(ptr) {}
                ~CallForwarderMaster() { Orphan(); }

                PFC_CLASS_NOT_COPYABLE(CallForwarderMaster, CallForwarderMaster<TWhat>);
        };

}

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