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The Windows Access Control Model: Part 2

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27 Jun 2005CPOL43 min read 244.2K   7.2K   113  
This second part of the Access Control series will program with the basic Access Control structures.
// preprocessed version of 'boost/mpl/apply.hpp' header
// see the original for copyright information

namespace boost {
namespace mpl {

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

template< typename F >
struct apply0 : F
{
};

template<
      typename F
    >
struct apply< F,void_,void_,void_,void_,void_ >
    : apply0<F>
{
};

namespace aux {
template<
      int N, typename F, typename T1
    >
struct apply_impl1;
}

namespace aux {

template<
      typename F, typename T1
    >
struct apply_impl1<
          1
        , F
        , T1
        >
{
    typedef typename F::template apply<
          T1
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1
    >
struct apply_impl1<
          2
        , F
        , T1
        >
{
    typedef typename F::template apply<
          T1
        , void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1
    >
struct apply_impl1<
          3
        , F
        , T1
        >
{
    typedef typename F::template apply<
          T1
        , void_, void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1
    >
struct apply_impl1<
          4
        , F
        , T1
        >
{
    typedef typename F::template apply<
          T1
        , void_, void_, void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1
    >
struct apply_impl1<
          5
        , F
        , T1
        >
{
    typedef typename F::template apply<
          T1
        , void_, void_, void_, void_
        > type;
};

} // namespace aux

template<
      typename F, typename T1
    >
struct apply1
    : aux::apply_impl1<
          ::boost::mpl::aux::arity< F,1 >::value
        , F
        , T1
        >::type
{
};

template<
      typename F, typename T1
    >
struct apply< F,T1,void_,void_,void_,void_ >
    : apply1< F,T1 >
{
};

namespace aux {
template<
      int N, typename F, typename T1, typename T2
    >
struct apply_impl2;
}

namespace aux {

template<
      typename F, typename T1, typename T2
    >
struct apply_impl2<
          2
        , F
        , T1, T2
        >
{
    typedef typename F::template apply<
          T1, T2
         
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2
    >
struct apply_impl2<
          3
        , F
        , T1, T2
        >
{
    typedef typename F::template apply<
          T1, T2
        , void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2
    >
struct apply_impl2<
          4
        , F
        , T1, T2
        >
{
    typedef typename F::template apply<
          T1, T2
        , void_, void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2
    >
struct apply_impl2<
          5
        , F
        , T1, T2
        >
{
    typedef typename F::template apply<
          T1, T2
        , void_, void_, void_
        > type;
};

} // namespace aux

template<
      typename F, typename T1, typename T2
    >
struct apply2
    : aux::apply_impl2<
          ::boost::mpl::aux::arity< F,2 >::value
        , F
        , T1, T2
        >::type
{
};

template<
      typename F, typename T1, typename T2
    >
struct apply< F,T1,T2,void_,void_,void_ >
    : apply2< F,T1,T2 >
{
};

namespace aux {
template<
      int N, typename F, typename T1, typename T2, typename T3
    >
struct apply_impl3;
}

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3
    >
struct apply_impl3<
          3
        , F
        , T1, T2, T3
        >
{
    typedef typename F::template apply<
          T1, T2, T3
         
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3
    >
struct apply_impl3<
          4
        , F
        , T1, T2, T3
        >
{
    typedef typename F::template apply<
          T1, T2, T3
        , void_
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3
    >
struct apply_impl3<
          5
        , F
        , T1, T2, T3
        >
{
    typedef typename F::template apply<
          T1, T2, T3
        , void_, void_
        > type;
};

} // namespace aux

template<
      typename F, typename T1, typename T2, typename T3
    >
struct apply3
    : aux::apply_impl3<
          ::boost::mpl::aux::arity< F,3 >::value
        , F
        , T1, T2, T3
        >::type
{
};

template<
      typename F, typename T1, typename T2, typename T3
    >
struct apply< F,T1,T2,T3,void_,void_ >
    : apply3< F,T1,T2,T3 >
{
};

namespace aux {
template<
      int N, typename F, typename T1, typename T2, typename T3, typename T4
    >
struct apply_impl4;
}

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct apply_impl4<
          4
        , F
        , T1, T2, T3, T4
        >
{
    typedef typename F::template apply<
          T1, T2, T3, T4
         
        > type;
};

} // namespace aux

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct apply_impl4<
          5
        , F
        , T1, T2, T3, T4
        >
{
    typedef typename F::template apply<
          T1, T2, T3, T4
        , void_
        > type;
};

} // namespace aux

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct apply4
    : aux::apply_impl4<
          ::boost::mpl::aux::arity< F,4 >::value
        , F
        , T1, T2, T3, T4
        >::type
{
};

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    >
struct apply< F,T1,T2,T3,T4,void_ >
    : apply4< F,T1,T2,T3,T4 >
{
};

namespace aux {
template<
      int N, typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct apply_impl5;
}

namespace aux {

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct apply_impl5<
          5
        , F
        , T1, T2, T3, T4, T5
        >
{
    typedef typename F::template apply<
          T1, T2, T3, T4, T5
         
        > type;
};

} // namespace aux

template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct apply5
    : aux::apply_impl5<
          ::boost::mpl::aux::arity< F,5 >::value
        , F
        , T1, T2, T3, T4, T5
        >::type
{
};

// primary template (not a specialization!)
template<
      typename F, typename T1, typename T2, typename T3, typename T4
    , typename T5
    >
struct apply
    : apply5< F,T1,T2,T3,T4,T5 >
{
};

} // namespace mpl
} // namespace boost

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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