ceph/src/boost/libs/multi_index/include/boost/multi_index/detail/converter.hpp

   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_CONVERTER_HPP
  10 #define BOOST_MULTI_INDEX_DETAIL_CONVERTER_HPP
  11
  12 #if defined(_MSC_VER)
  13 #pragma once
  14 #endif
  15
  16 namespace boost{
  17
  18 namespace multi_index{
  19
  20 namespace detail{
  21
  22 /* converter offers means to access indices of a given multi_index_container
  23  * and for convertibilty between index iterators, so providing a
  24  * localized access point for get() and project() functions.
  25  */
  26
  27 template<typename MultiIndexContainer,typename Index>
  28 struct converter
  29 {
  30   static const Index& index(const MultiIndexContainer& x){return x;}
  31   static Index&       index(MultiIndexContainer& x){return x;}
  32
  33   static typename Index::const_iterator const_iterator(
  34     const MultiIndexContainer& x,typename MultiIndexContainer::node_type* node)
  35   {
  36     return x.Index::make_iterator(node);
  37   }
  38
  39   static typename Index::iterator iterator(
  40     MultiIndexContainer& x,typename MultiIndexContainer::node_type* node)
  41   {
  42     return x.Index::make_iterator(node);
  43   }
  44 };
  45
  46 } /* namespace multi_index::detail */
  47
  48 } /* namespace multi_index */
  49
  50 } /* namespace boost */
  51
  52 #endif