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📄 functor.h

📁 loki库的源代码。loki库是以模板技术和面向对象技术为基础的c++类库。
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        typedef typename Base::Parm5 Parm5;
        typedef typename Base::Parm6 Parm6;
        typedef typename Base::Parm7 Parm7;
        typedef typename Base::Parm8 Parm8;
        typedef typename Base::Parm9 Parm9;
        typedef typename Base::Parm10 Parm10;
        typedef typename Base::Parm11 Parm11;
        typedef typename Base::Parm12 Parm12;
        typedef typename Base::Parm13 Parm13;
        typedef typename Base::Parm14 Parm14;
        typedef typename Base::Parm15 Parm15;

        MemFunHandlerBase(const PointerToObj& pObj, PointerToMemFn pMemFn) 
        : pObj_(pObj), pMemFn_(pMemFn)
        {}
        
        ResultType operator()()
        { return ((*pObj_).*pMemFn_)(); }

        ResultType operator()(Parm1 p1)
        { return ((*pObj_).*pMemFn_)(p1); }
        
        ResultType operator()(Parm1 p1, Parm2 p2)
        { return ((*pObj_).*pMemFn_)(p1, p2); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10)
        { return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11)
        {
            return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12)
        {
            return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13)
        {
            return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13, Parm14 p14)
        {
            return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13, p14);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13, Parm14 p14, Parm15 p15)
        {
            return ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13, p14, p15);
        }
        
    protected:
		~MemFunHandlerBase() {}
	private:
        PointerToObj pObj_;
        PointerToMemFn pMemFn_;
    };
	
	// implementation class for MemFunHandler and return type = void
	template <class ParentFunctor, typename PointerToObj,
        typename PointerToMemFn>
    class MemFunHandlerVoidBase : public ParentFunctor::Impl
    {
        typedef typename ParentFunctor::Impl Base;

    public:
        typedef typename ParentFunctor::ThreadModel ThreadModel;
		typedef typename Base::ResultType ResultType;
        typedef typename Base::Parm1 Parm1;
        typedef typename Base::Parm2 Parm2;
        typedef typename Base::Parm3 Parm3;
        typedef typename Base::Parm4 Parm4;
        typedef typename Base::Parm5 Parm5;
        typedef typename Base::Parm6 Parm6;
        typedef typename Base::Parm7 Parm7;
        typedef typename Base::Parm8 Parm8;
        typedef typename Base::Parm9 Parm9;
        typedef typename Base::Parm10 Parm10;
        typedef typename Base::Parm11 Parm11;
        typedef typename Base::Parm12 Parm12;
        typedef typename Base::Parm13 Parm13;
        typedef typename Base::Parm14 Parm14;
        typedef typename Base::Parm15 Parm15;

        MemFunHandlerVoidBase(const PointerToObj& pObj, PointerToMemFn pMemFn) 
        : pObj_(pObj), pMemFn_(pMemFn)
        {}
        
        ResultType operator()()
        { ((*pObj_).*pMemFn_)(); }

        ResultType operator()(Parm1 p1)
        { ((*pObj_).*pMemFn_)(p1); }
        
        ResultType operator()(Parm1 p1, Parm2 p2)
        { ((*pObj_).*pMemFn_)(p1, p2); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3)
        { ((*pObj_).*pMemFn_)(p1, p2, p3); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10)
        { ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10); }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11)
        {
            ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12)
        {
            ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13)
        {
            ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13, Parm14 p14)
        {
            ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13, p14);
        }
        
        ResultType operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5,
            Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11,
            Parm12 p12, Parm13 p13, Parm14 p14, Parm15 p15)
        {
            ((*pObj_).*pMemFn_)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, 
                p11, p12, p13, p14, p15);
        }
	protected:
		~MemFunHandlerVoidBase() {}
    private:
        PointerToObj pObj_;
        PointerToMemFn pMemFn_;
    };

}
////////////////////////////////////////////////////////////////////////////////
// class template FunctorHandler
// Wraps pointers to member functions
////////////////////////////////////////////////////////////////////////////////

    template <class ParentFunctor, typename PointerToObj,
        typename PointerToMemFn>
    class MemFunHandler 
		: public Select<
			IsEqualType<typename ParentFunctor::Impl::ResultType, void>::value,
			Private::MemFunHandlerVoidBase<ParentFunctor, PointerToObj, PointerToMemFn>,
			Private::MemFunHandlerBase<ParentFunctor, PointerToObj, PointerToMemFn>
			>::Result
    {
        typedef typename Select<
			IsEqualType<typename ParentFunctor::Impl::ResultType, void>::value,
			Private::MemFunHandlerVoidBase<ParentFunctor, PointerToObj, PointerToMemFn>,
			Private::MemFunHandlerBase<ParentFunctor, PointerToObj, PointerToMemFn>
			>::Result ImplBase;
		
		typedef typename ParentFunctor::Impl Base;

    public:
        typedef typename Base::ResultType ResultType;
		typedef typename ParentFunctor::ThreadModel ThreadModel;
		typedef typename Base::Parm1 Parm1;
        typedef typename Base::Parm2 Parm2;
        typedef typename Base::Parm3 Parm3;
        typedef typename Base::Parm4 Parm4;
        typedef typename Base::Parm5 Parm5;
        typedef typename Base::Parm6 Parm6;
        typedef typename Base::Parm7 Parm7;
        typedef typename Base::Parm8 Parm8;
        typedef typename Base::Parm9 Parm9;
        typedef typename Base::Parm10 Parm10;
        typedef typename Base::Parm11 Parm11;
        typedef typename Base::Parm12 Parm12;
        typedef typename Base::Parm13 Parm13;
        typedef typename Base::Parm14 Parm14;
        typedef typename Base::Parm15 Parm15;
	
	public:
		MemFunHandler(const PointerToObj& pObj, PointerToMemFn pMemFn) 
			: ImplBase(pObj, pMemFn)
        {}
        
        DEFINE_CLONE_FUNCTORIMPL(MemFunHandler)

		// all function operators are implemented in the helper
		// base class
    };
        
////////////////////////////////////////////////////////////////////////////////
template<typename R, class TList = NullType,
			class ThreadingModel = DEFAULT_THREADING>
			class Functor;
// Helper type used to disambiguate Functor's first template ctor
// from the copy-ctor.
struct Disambiguate
{
	Disambiguate() {}
};
namespace Private
{
	// implementation class for Functor with return type != void
	template <class R, class Impl>
	class FunctorBase
	{
		typedef R ResultType;

	public:
		typedef typename Impl::Parm1 Parm1;
        typedef typename Impl::Parm2 Parm2;
        typedef typename Impl::Parm3 Parm3;
        typedef typename Impl::Parm4 Parm4;
        typedef typename Impl::Parm5 Parm5;
        typedef typename Impl::Parm6 Parm6;
        typedef typename Impl::Parm7 Parm7;
        typedef typename Impl::Parm8 Parm8;
        typedef typename Impl::Parm9 Parm9;
        typedef typename Impl::Parm10 Parm10;
        typedef typename Impl::Parm11 Parm11;
        typedef typename Impl::Parm12 Parm12;
        typedef typename Impl::Parm13 Parm13;
        typedef typename Impl::Parm14 Parm14;
        typedef typename Impl::Parm15 Parm15;		
		FunctorBase() : spImpl_() {}
		
		template <class Fun, class MyFunctor>
		FunctorBase(const Fun& fun, Loki::Type2Type<MyFunctor>) 
			: spImpl_(new FunctorHandler<MyFunctor, Fun>(fun))
		{}
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