binders.hpp

C++的一个好库。。。现在很流行

    func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT,
    typename A, typename B, typename C, typename D, typename E,
    typename F, typename G, typename H, typename I, typename J,
    typename K, typename L, typename M, typename N, typename O
>
inline function_ptr<RT, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O>
bind(RT(*fptr)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O))
{
    return function_ptr<RT, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O>(fptr);
}

#endif
#endif
#endif
#endif
///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (main class)
//
///////////////////////////////////////////////////////////////////////////////
template <
    typename RT,
    typename ClassT
    ,   typename A = nil_t
    ,   typename B = nil_t
    ,   typename C = nil_t

#if PHOENIX_LIMIT > 3
    ,   typename D = nil_t
    ,   typename E = nil_t
    ,   typename F = nil_t

#if PHOENIX_LIMIT > 6
    ,   typename G = nil_t
    ,   typename H = nil_t
    ,   typename I = nil_t

#if PHOENIX_LIMIT > 9
    ,   typename J = nil_t
    ,   typename K = nil_t
    ,   typename L = nil_t

#if PHOENIX_LIMIT > 12
    ,   typename M = nil_t
    ,   typename N = nil_t
    ,   typename O = nil_t

#endif
#endif
#endif
#endif

    ,   typename NU = nil_t  // Not used
>
struct member_function_ptr_action;

//////////////////////////////////
template <
    typename RT,
    typename ClassT
    ,   typename A = nil_t
    ,   typename B = nil_t
    ,   typename C = nil_t

#if PHOENIX_LIMIT > 3
    ,   typename D = nil_t
    ,   typename E = nil_t
    ,   typename F = nil_t

#if PHOENIX_LIMIT > 6
    ,   typename G = nil_t
    ,   typename H = nil_t
    ,   typename I = nil_t

#if PHOENIX_LIMIT > 9
    ,   typename J = nil_t
    ,   typename K = nil_t
    ,   typename L = nil_t

#if PHOENIX_LIMIT > 12
    ,   typename M = nil_t
    ,   typename N = nil_t
    ,   typename O = nil_t

#endif
#endif
#endif
#endif
>
struct member_function_ptr
:   public function<member_function_ptr_action<RT, ClassT
    , A, B, C
#if PHOENIX_LIMIT > 3
    , D, E, F
#if PHOENIX_LIMIT > 6
    , G, H, I
#if PHOENIX_LIMIT > 9
    , J, K, L
#if PHOENIX_LIMIT > 12
    , M, N, O
#endif
#endif
#endif
#endif
    > > {

    typedef member_function_ptr_action<RT, ClassT
        , A, B, C
#if PHOENIX_LIMIT > 3
        , D, E, F
#if PHOENIX_LIMIT > 6
        , G, H, I
#if PHOENIX_LIMIT > 9
        , J, K, L
#if PHOENIX_LIMIT > 12
        , M, N, O
#endif
#endif
#endif
#endif
    > action_t;

    template <typename FPT>
    member_function_ptr(FPT fp)
    :   function<action_t>(action_t(fp)) {}
};

///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 0 arg)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT>
struct member_function_ptr_action<RT, ClassT,
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 3
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)();
    typedef RT(ClassT::*cmf)() const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type
        mem_func_ptr_t;

    template <typename CT>
    struct result { typedef result_type type; };

    member_function_ptr_action(mem_func_ptr_t fptr_)
    :   fptr(fptr_) {}

    template <typename CT>
    result_type operator()(CT& obj) const
    { return (impl::as_ptr<CT>::get(obj)->*fptr)(); }

    mem_func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT, typename ClassT>
inline member_function_ptr<RT, ClassT>
bind(RT(ClassT::*fptr)())
{
    return member_function_ptr<RT, ClassT>(fptr);
}

template <typename RT, typename ClassT>
inline member_function_ptr<RT, ClassT const>
bind(RT(ClassT::*fptr)() const)
{
    return member_function_ptr<RT, ClassT const>(fptr);
}

///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 1 arg)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT, typename A>
struct member_function_ptr_action<RT, ClassT,
    A, nil_t, nil_t,
#if PHOENIX_LIMIT > 3
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)(A);
    typedef RT(ClassT::*cmf)(A) const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type
        mem_func_ptr_t;

    template <typename CT, typename A_>
    struct result { typedef result_type type; };

    member_function_ptr_action(mem_func_ptr_t fptr_)
    :   fptr(fptr_) {}

    template <typename CT>
    result_type operator()(CT& obj, A a) const
    { return (impl::as_ptr<CT>::get(obj)->*fptr)(a); }

    mem_func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT, typename ClassT, typename A>
inline member_function_ptr<RT, ClassT, A>
bind(RT(ClassT::*fptr)(A))
{
    return member_function_ptr<RT, ClassT, A>(fptr);
}

//////////////////////////////////
template <typename RT, typename ClassT, typename A>
inline member_function_ptr<RT, ClassT const, A>
bind(RT(ClassT::*fptr)(A) const)
{
    return member_function_ptr<RT, ClassT const, A>(fptr);
}

///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 2 args)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B>
struct member_function_ptr_action<RT, ClassT,
    A, B, nil_t,
#if PHOENIX_LIMIT > 3
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)(A, B);
    typedef RT(ClassT::*cmf)(A, B) const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type
        mem_func_ptr_t;

    template <typename CT, typename A_, typename B_>
    struct result { typedef result_type type; };

    member_function_ptr_action(mem_func_ptr_t fptr_)
    :   fptr(fptr_) {}

    template <typename CT>
    result_type operator()(CT& obj, A a, B b) const
    { return (impl::as_ptr<CT>::get(obj)->*fptr)(a, b); }

    mem_func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B>
inline member_function_ptr<RT, ClassT, A, B>
bind(RT(ClassT::*fptr)(A, B))
{
    return member_function_ptr<RT, ClassT, A, B>(fptr);
}

//////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B>
inline member_function_ptr<RT, ClassT const, A, B>
bind(RT(ClassT::*fptr)(A, B) const)
{
    return member_function_ptr<RT, ClassT const, A, B>(fptr);
}

#if PHOENIX_LIMIT > 3
///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 3 args)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B, typename C>
struct member_function_ptr_action<RT, ClassT,
    A, B, C, nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)(A, B, C);
    typedef RT(ClassT::*cmf)(A, B, C) const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type
        mem_func_ptr_t;

    template <typename CT, typename A_, typename B_, typename C_>
    struct result { typedef result_type type; };

    member_function_ptr_action(mem_func_ptr_t fptr_)
    :   fptr(fptr_) {}

    template <typename CT>
    result_type operator()(CT& obj, A a, B b, C c) const
    { return (impl::as_ptr<CT>::get(obj)->*fptr)(a, b, c); }

    mem_func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B, typename C>
inline member_function_ptr<RT, ClassT, A, B, C>
bind(RT(ClassT::*fptr)(A, B, C))
{
    return member_function_ptr<RT, ClassT, A, B, C>(fptr);
}

//////////////////////////////////
template <typename RT, typename ClassT, typename A, typename B, typename C>
inline member_function_ptr<RT, ClassT const, A, B, C>
bind(RT(ClassT::*fptr)(A, B, C) const)
{
    return member_function_ptr<RT, ClassT const, A, B, C>(fptr);
}

///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 4 args)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT,
    typename A, typename B, typename C, typename D
>
struct member_function_ptr_action<RT, ClassT,
    A, B, C, D, nil_t, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)(A, B, C, D);
    typedef RT(ClassT::*cmf)(A, B, C, D) const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type
        mem_func_ptr_t;

    template <typename CT,
        typename A_, typename B_, typename C_, typename D_
    >
    struct result { typedef result_type type; };

    member_function_ptr_action(mem_func_ptr_t fptr_)
    :   fptr(fptr_) {}

    template <typename CT>
    result_type operator()(CT& obj,
        A a, B b, C c, D d
    ) const
    { return (impl::as_ptr<CT>::get(obj)->*fptr)(a, b, c, d); }

    mem_func_ptr_t fptr;
};

//////////////////////////////////
template <typename RT, typename ClassT,
    typename A, typename B, typename C, typename D
>
inline member_function_ptr<RT, ClassT, A, B, C, D>
bind(RT(ClassT::*fptr)(A, B, C, D))
{
    return member_function_ptr<
        RT, ClassT, A, B, C, D>(fptr);
}

//////////////////////////////////
template <typename RT, typename ClassT,
    typename A, typename B, typename C, typename D
>
inline member_function_ptr<RT, ClassT const, A, B, C, D>
bind(RT(ClassT::*fptr)(A, B, C, D) const)
{
    return member_function_ptr<
        RT, ClassT const, A, B, C, D>(fptr);
}

///////////////////////////////////////////////////////////////////////////////
//
//  Member function pointer binder (specialization for 5 args)
//
///////////////////////////////////////////////////////////////////////////////
template <typename RT, typename ClassT,
    typename A, typename B, typename C, typename D,
    typename E
>
struct member_function_ptr_action<RT, ClassT,
    A, B, C, D, E, nil_t,
#if PHOENIX_LIMIT > 6
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 9
    nil_t, nil_t, nil_t,
#if PHOENIX_LIMIT > 12
    nil_t, nil_t, nil_t,
#endif
#endif
#endif
    nil_t   //  Unused
> {

    typedef RT result_type;
    typedef RT(ClassT::*mf)(A, B, C, D, E);
    typedef RT(ClassT::*cmf)(A, B, C, D, E) const;
    typedef typename boost::mpl::if_<boost::is_const<ClassT>, cmf, mf>::type