ceph/src/boost/boost/mpl/map/aux_/numbered.hpp

   1
   2 // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
   3
   4 #if !defined(BOOST_PP_IS_ITERATING)
   5
   6 // Copyright Aleksey Gurtovoy 2000-2004
   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 #else
  19
  20 #include <boost/mpl/aux_/config/typeof.hpp>
  21 #include <boost/mpl/aux_/config/ctps.hpp>
  22 #include <boost/preprocessor/enum_params.hpp>
  23 #include <boost/preprocessor/dec.hpp>
  24 #include <boost/preprocessor/cat.hpp>
  25
  26 #define i_ BOOST_PP_FRAME_ITERATION(1)
  27
  28 #   define AUX778076_MAP_TAIL(map, i_, P) \
  29     BOOST_PP_CAT(map,i_)< \
  30           BOOST_PP_ENUM_PARAMS(i_, P) \
  31         > \
  32     /**/
  33
  34
  35 #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
  36
  37 template<
  38       BOOST_PP_ENUM_PARAMS(i_, typename P)
  39     >
  40 struct BOOST_PP_CAT(map,i_)
  41     : m_item<
  42           typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
  43         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
  44         , AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
  45         >
  46 {
  47     typedef BOOST_PP_CAT(map,i_) type;
  48 };
  49
  50 #else // "brute force" implementation
  51
  52 #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
  53
  54 template< typename Map>
  55 struct m_at<Map,BOOST_PP_DEC(i_)>
  56 {
  57     typedef typename Map::BOOST_PP_CAT(item,BOOST_PP_DEC(i_)) type;
  58 };
  59
  60 template< typename Key, typename T, typename Base >
  61 struct m_item<i_,Key,T,Base>
  62     : m_item_<Key,T,Base>
  63 {
  64     typedef pair<Key,T> BOOST_PP_CAT(item,BOOST_PP_DEC(i_));
  65 };
  66
  67 #   else
  68
  69 template<>
  70 struct m_at_impl<BOOST_PP_DEC(i_)>
  71 {
  72     template< typename Map > struct result_
  73     {
  74         typedef typename Map::BOOST_PP_CAT(item,BOOST_PP_DEC(i_)) type;
  75     };
  76 };
  77
  78 template<>
  79 struct m_item_impl<i_>
  80 {
  81     template< typename Key, typename T, typename Base > struct result_
  82         : m_item_<Key,T,Base>
  83     {
  84         typedef pair<Key,T> BOOST_PP_CAT(item,BOOST_PP_DEC(i_));
  85     };
  86 };
  87
  88 #   endif
  89
  90 template<
  91       BOOST_PP_ENUM_PARAMS(i_, typename P)
  92     >
  93 struct BOOST_PP_CAT(map,i_)
  94     : m_item<
  95           i_
  96         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
  97         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
  98         , AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
  99         >
 100 {
 101     typedef BOOST_PP_CAT(map,i_) type;
 102 };
 103
 104 #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
 105
 106 #   undef AUX778076_MAP_TAIL
 107
 108 #undef i_
 109
 110 #endif // BOOST_PP_IS_ITERATING