| 1 | /* Copyright 2003-2013 Joaquin M Lopez Munoz. |
|---|---|
| 2 | * Distributed under the Boost Software License, Version 1.0. |
| 3 | * (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | * http://www.boost.org/LICENSE_1_0.txt) |
| 5 | * |
| 6 | * See http://www.boost.org/libs/multi_index for library home page. |
| 7 | */ |
| 8 | |
| 9 | #ifndef BOOST_MULTI_INDEX_DETAIL_NODE_TYPE_HPP |
| 10 | #define BOOST_MULTI_INDEX_DETAIL_NODE_TYPE_HPP |
| 11 | |
| 12 | #if defined(_MSC_VER) |
| 13 | #pragma once |
| 14 | #endif |
| 15 | |
| 16 | #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ |
| 17 | #include <boost/detail/workaround.hpp> |
| 18 | #include <boost/mpl/bind.hpp> |
| 19 | #include <boost/mpl/reverse_iter_fold.hpp> |
| 20 | #include <boost/mpl/deref.hpp> |
| 21 | #include <boost/multi_index_container_fwd.hpp> |
| 22 | #include <boost/multi_index/detail/header_holder.hpp> |
| 23 | #include <boost/multi_index/detail/index_node_base.hpp> |
| 24 | #include <boost/multi_index/detail/is_index_list.hpp> |
| 25 | #include <boost/static_assert.hpp> |
| 26 | |
| 27 | namespace boost{ |
| 28 | |
| 29 | namespace multi_index{ |
| 30 | |
| 31 | namespace detail{ |
| 32 | |
| 33 | /* MPL machinery to construct the internal node type associated to an |
| 34 | * index list. |
| 35 | */ |
| 36 | |
| 37 | struct index_node_applier |
| 38 | { |
| 39 | template<typename IndexSpecifierIterator,typename Super> |
| 40 | struct apply |
| 41 | { |
| 42 | typedef typename mpl::deref<IndexSpecifierIterator>::type index_specifier; |
| 43 | typedef typename index_specifier:: |
| 44 | BOOST_NESTED_TEMPLATE node_class<Super>::type type; |
| 45 | }; |
| 46 | }; |
| 47 | |
| 48 | template<typename Value,typename IndexSpecifierList,typename Allocator> |
| 49 | struct multi_index_node_type |
| 50 | { |
| 51 | BOOST_STATIC_ASSERT(detail::is_index_list<IndexSpecifierList>::value); |
| 52 | |
| 53 | typedef typename mpl::reverse_iter_fold< |
| 54 | IndexSpecifierList, |
| 55 | index_node_base<Value,Allocator>, |
| 56 | mpl::bind2<index_node_applier,mpl::_2,mpl::_1> |
| 57 | >::type type; |
| 58 | }; |
| 59 | |
| 60 | } /* namespace multi_index::detail */ |
| 61 | |
| 62 | } /* namespace multi_index */ |
| 63 | |
| 64 | } /* namespace boost */ |
| 65 | |
| 66 | #endif |
| 67 |