ceph/src/boost/libs/mpl/include/boost/mpl/set/aux_/item.hpp

   1
   2 #ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
   3 #define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED
   4
   5 // Copyright Aleksey Gurtovoy 2003-2007
   6 // Copyright David Abrahams 2003-2004
   7 //
   8 // Distributed under the Boost Software License, Version 1.0.
   9 // (See accompanying file LICENSE_1_0.txt or copy at
  10 // http://www.boost.org/LICENSE_1_0.txt)
  11 //
  12 // See http://www.boost.org/libs/mpl for documentation.
  13
  14 // $Id$
  15 // $Date$
  16 // $Revision$
  17
  18 #include <boost/mpl/long.hpp>
  19 #include <boost/mpl/void.hpp>
  20 #include <boost/mpl/next.hpp>
  21 #include <boost/mpl/prior.hpp>
  22 #include <boost/mpl/set/aux_/set0.hpp>
  23 #include <boost/mpl/aux_/type_wrapper.hpp>
  24 #include <boost/mpl/aux_/config/arrays.hpp>
  25
  26 namespace boost { namespace mpl {
  27
  28 template< typename T, typename Base >
  29 struct s_item
  30     : Base
  31 {
  32     typedef s_item<T,Base> item_;
  33     typedef void_       last_masked_;
  34     typedef T           item_type_;
  35     typedef typename Base::item_ base;
  36     typedef s_item type;
  37
  38     typedef typename next< typename Base::size >::type  size;
  39     typedef typename next< typename Base::order >::type order;
  40
  41 #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
  42     typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
  43 #else
  44     typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
  45 #endif
  46
  47     BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* );
  48     BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* );
  49 };
  50
  51
  52 template< typename T, typename Base >
  53 struct s_mask
  54     : Base
  55 {
  56     typedef s_mask<T,Base> item_;
  57     typedef T       last_masked_;
  58     typedef void_   item_type_;
  59     typedef typename Base::item_ base;
  60     typedef typename prior< typename Base::size >::type  size;
  61     typedef s_mask type;
  62
  63     BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* );
  64 };
  65
  66
  67 template< typename T, typename Base >
  68 struct s_unmask
  69     : Base
  70 {
  71     typedef s_unmask<T,Base> item_;
  72     typedef void_   last_masked_;
  73     typedef T       item_type_;
  74     typedef typename Base::item_ base;
  75     typedef typename next< typename Base::size >::type  size;
  76
  77     BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* );
  78 };
  79
  80 }}
  81
  82 #endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED