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The Windows Access Control Model: Part 2

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27 Jun 2005CPOL43 min read 244.6K   7.2K   113  
This second part of the Access Control series will program with the basic Access Control structures.
 
// preprocessed version of 'boost/mpl/bind.hpp' header
// see the original for copyright information

namespace boost {
namespace mpl {

namespace aux {

template<
      typename T, typename U1, typename U2, typename U3, typename U4
    , typename U5
    >
struct resolve_bind_arg
{
    typedef T type;
};

} // namespace aux

template<
      typename F, typename T1 = void_, typename T2 = void_
    , typename T3 = void_, typename T4 = void_, typename T5 = void_
    >
struct bind;

template< typename F, typename T > struct bind1st;
template< typename F, typename T > struct bind2nd;

namespace aux {

template<
      int N, typename U1, typename U2, typename U3, typename U4, typename U5
    >
struct resolve_bind_arg< arg<N>,U1,U2,U3,U4,U5 >
{
    typedef typename apply5<mpl::arg< N>,U1,U2,U3,U4,U5 >::type type;
};

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5, typename U1, typename U2, typename U3, typename U4
    , typename U5
    >
struct resolve_bind_arg< bind<F,T1,T2,T3,T4,T5>,U1,U2,U3,U4,U5 >
{
    typedef bind< F,T1,T2,T3,T4,T5 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

template<
      typename F, typename T, typename U1, typename U2, typename U3
    , typename U4, typename U5
    >
struct resolve_bind_arg< bind1st<F,T>,U1,U2,U3,U4,U5 >
{
    typedef bind1st< F,T > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

template<
      typename F, typename T, typename U1, typename U2, typename U3
    , typename U4, typename U5
    >
struct resolve_bind_arg< bind2nd<F,T>,U1,U2,U3,U4,U5 >
{
    typedef bind2nd< F,T > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(
      6
    , bind
    )

BOOST_MPL_AUX_ARITY_SPEC(2, bind1st)
BOOST_MPL_AUX_ARITY_SPEC(2, bind2nd)

template<
      typename F
    >
struct bind0
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;

     public:
        typedef typename apply0<f_>::type type;
    };
};

namespace aux {

template<
      typename F, typename U1, typename U2, typename U3, typename U4
    , typename U5
    >
struct resolve_bind_arg<
      bind0<F>,U1, U2, U3, U4, U5
    >
{
    typedef bind0<F> f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(1, bind0)

template<
      typename F
    >
struct bind< F,void_,void_,void_,void_,void_ >
    : bind0<F>
{
};

template<
      typename F, typename T1
    >
struct bind1
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;
        typedef typename aux::resolve_bind_arg< T1,U1,U2,U3,U4,U5 >::type t1;

     public:
        typedef typename apply1< f_,t1 >::type type;
    };
};

namespace aux {

template<
      typename F, typename T1, typename U1, typename U2, typename U3
    , typename U4, typename U5
    >
struct resolve_bind_arg<
      bind1< F,T1 >,U1, U2, U3, U4, U5
    >
{
    typedef bind1< F,T1 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(2, bind1)

template<
      typename F, typename T1
    >
struct bind< F,T1,void_,void_,void_,void_ >
    : bind1< F,T1 >
{
};

template<
      typename F, typename T1, typename T2
    >
struct bind2
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;
        typedef typename aux::resolve_bind_arg< T1,U1,U2,U3,U4,U5 >::type t1;
        typedef typename aux::resolve_bind_arg< T2,U1,U2,U3,U4,U5 >::type t2;

     public:
        typedef typename apply2< f_,t1,t2 >::type type;
    };
};

namespace aux {

template<
      typename F, typename T1, typename T2, typename U1, typename U2
    , typename U3, typename U4, typename U5
    >
struct resolve_bind_arg<
      bind2< F,T1,T2 >,U1, U2, U3, U4, U5
    >
{
    typedef bind2< F,T1,T2 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(3, bind2)

template<
      typename F, typename T1, typename T2
    >
struct bind< F,T1,T2,void_,void_,void_ >
    : bind2< F,T1,T2 >
{
};

template<
      typename F, typename T1, typename T2, typename T3
    >
struct bind3
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;
        typedef typename aux::resolve_bind_arg< T1,U1,U2,U3,U4,U5 >::type t1;
        typedef typename aux::resolve_bind_arg< T2,U1,U2,U3,U4,U5 >::type t2;
        typedef typename aux::resolve_bind_arg< T3,U1,U2,U3,U4,U5 >::type t3;

     public:
        typedef typename apply3< f_,t1,t2,t3 >::type type;
    };
};

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename U1
    , typename U2, typename U3, typename U4, typename U5
    >
struct resolve_bind_arg<
      bind3< F,T1,T2,T3 >,U1, U2, U3, U4, U5
    >
{
    typedef bind3< F,T1,T2,T3 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(4, bind3)

template<
      typename F, typename T1, typename T2, typename T3
    >
struct bind< F,T1,T2,T3,void_,void_ >
    : bind3< F,T1,T2,T3 >
{
};

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct bind4
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;
        typedef typename aux::resolve_bind_arg< T1,U1,U2,U3,U4,U5 >::type t1;
        typedef typename aux::resolve_bind_arg< T2,U1,U2,U3,U4,U5 >::type t2;
        typedef typename aux::resolve_bind_arg< T3,U1,U2,U3,U4,U5 >::type t3;
        typedef typename aux::resolve_bind_arg< T4,U1,U2,U3,U4,U5 >::type t4;

     public:
        typedef typename apply4< f_,t1,t2,t3,t4 >::type type;
    };
};

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename U1, typename U2, typename U3, typename U4, typename U5
    >
struct resolve_bind_arg<
      bind4< F,T1,T2,T3,T4 >,U1, U2, U3, U4, U5
    >
{
    typedef bind4< F,T1,T2,T3,T4 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(5, bind4)

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct bind< F,T1,T2,T3,T4,void_ >
    : bind4< F,T1,T2,T3,T4 >
{
};

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct bind5
{
    template<
          typename U1 = void_, typename U2 = void_, typename U3 = void_
        , typename U4 = void_, typename U5 = void_
        >
    struct apply
    {
     private:
        typedef typename aux::resolve_bind_arg< F,U1,U2,U3,U4,U5 >::type f_;
        typedef typename aux::resolve_bind_arg< T1,U1,U2,U3,U4,U5 >::type t1;
        typedef typename aux::resolve_bind_arg< T2,U1,U2,U3,U4,U5 >::type t2;
        typedef typename aux::resolve_bind_arg< T3,U1,U2,U3,U4,U5 >::type t3;
        typedef typename aux::resolve_bind_arg< T4,U1,U2,U3,U4,U5 >::type t4;
        typedef typename aux::resolve_bind_arg< T5,U1,U2,U3,U4,U5 >::type t5;

     public:
        typedef typename apply5< f_,t1,t2,t3,t4,t5 >::type type;
    };
};

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5, typename U1, typename U2, typename U3, typename U4
    , typename U5
    >
struct resolve_bind_arg<
      bind5< F,T1,T2,T3,T4,T5 >,U1, U2, U3, U4, U5
    >
{
    typedef bind5< F,T1,T2,T3,T4,T5 > f_;
    typedef typename apply5< f_,U1,U2,U3,U4,U5 >::type type;
};

} // namespace aux

BOOST_MPL_AUX_ARITY_SPEC(6, bind5)

// primary template (not a specialization!)
template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct bind
    : bind5< F,T1,T2,T3,T4,T5 >
{
};

template< typename F, typename T >
struct bind1st
{
    template<
          typename U
        , typename U2 = void_, typename U3 = void_, typename U4 = void_
        , typename U5 = void_
        >
    struct apply
        : apply2< F,T,U >
    {
    };
};

template< typename F, typename T >
struct bind2nd
{
    template<
          typename U
        , typename U2 = void_, typename U3 = void_, typename U4 = void_
        , typename U5 = void_
        >
    struct apply
        : apply2< F,U,T >
    {
    };
};

} // namespace mpl
} // namespace boost

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Written By
oshah
Web Developer
United States United States
Mr. Shah is a reclusive C++/C# developer lurking somewhere in the depths of the city of London. He learnt physics at Kings' College London and obtained a Master in Science there. Having earned an MCAD, he teeters on the brink of transitioning from C++ to C#, unsure of which language to jump to. Fortunately, he also knows how to use .NET interop to merge code between the two languages (which means he won't have to make the choice anytime soon).

His interests (apart from programming) are walking, football (the real one!), philosophy, history, retro-gaming, strategy gaming, and any good game in general.

He maintains a website / blog / FAQ / junk at shexec32.serveftp.net, where he places the best answers he's written to the questions you've asked. If you can find him, maybe you can hire Mr. Shah to help you with anything C++[/CLI]/C#/.NET related Smile | :) .

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Posted 24 Apr 2005

Article Copyright 2005 by oshah
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