boost/fusion/container/map/map.hpp

   1 /*=============================================================================
   2     Copyright (c) 2005 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #if !defined(FUSION_MAP_07212005_1106)
   8 #define FUSION_MAP_07212005_1106
   9
  10 #include <boost/fusion/support/pair.hpp>
  11 #include <boost/fusion/support/category_of.hpp>
  12 #include <boost/fusion/support/detail/access.hpp>
  13 #include <boost/fusion/container/map/map_fwd.hpp>
  14 #include <boost/fusion/container/map/detail/lookup_key.hpp>
  15 #include <boost/fusion/container/map/detail/begin_impl.hpp>
  16 #include <boost/fusion/container/map/detail/end_impl.hpp>
  17 #include <boost/fusion/container/map/detail/at_key_impl.hpp>
  18 #include <boost/fusion/container/map/detail/value_at_key_impl.hpp>
  19 #include <boost/fusion/container/vector/vector.hpp>
  20 #include <boost/mpl/identity.hpp>
  21 #include <boost/mpl/bool.hpp>
  22
  23 namespace boost { namespace fusion
  24 {
  25     struct void_;
  26     struct map_tag;
  27     struct fusion_sequence_tag;
  28
  29     template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_MAP_SIZE, typename T)>
  30     struct map : sequence_base<map<BOOST_PP_ENUM_PARAMS(FUSION_MAX_MAP_SIZE, T)> >
  31     {
  32         struct category : forward_traversal_tag, associative_sequence_tag {};
  33
  34         typedef map_tag fusion_tag;
  35         typedef fusion_sequence_tag tag; // this gets picked up by MPL
  36         typedef mpl::false_ is_view;
  37
  38         typedef vector<
  39             BOOST_PP_ENUM_PARAMS(FUSION_MAX_MAP_SIZE, T)>
  40         storage_type;
  41
  42         typedef typename storage_type::size size;
  43
  44         map()
  45             : data() {}
  46
  47         template <typename Sequence>
  48         map(Sequence const& rhs)
  49             : data(rhs) {}
  50
  51         #include <boost/fusion/container/map/detail/map_forward_ctor.hpp>
  52         #include <boost/fusion/container/map/detail/map_lookup.hpp>
  53
  54         template <typename T>
  55         map&
  56         operator=(T const& rhs)
  57         {
  58             data = rhs;
  59             return *this;
  60         }
  61
  62         storage_type& get_data() { return data; }
  63         storage_type const& get_data() const { return data; }
  64
  65     private:
  66
  67         storage_type data;
  68     };
  69 }}
  70
  71 #endif