boost/bimap/container_adaptor/support/iterator_facade_converters.hpp

   1 // Boost.Bimap
   2 //
   3 // Copyright (c) 2006-2007 Matias Capeletto
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 // (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 /// \file container_adaptor/support/iterator_facade_converters.hpp
  10 /// \brief Converter for Boost.Iterators based iterators.
  11
  12 #ifndef BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_ITERATOR_FACADE_CONVERTERS_HPP
  13 #define BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_ITERATOR_FACADE_CONVERTERS_HPP
  14
  15 #if defined(_MSC_VER) && (_MSC_VER>=1200)
  16 #pragma once
  17 #endif
  18
  19 #include <boost/config.hpp>
  20
  21 namespace boost {
  22 namespace bimaps {
  23 namespace container_adaptor {
  24
  25 /// \brief Utilities to help in the construction of a container adaptor
  26
  27 namespace support {
  28
  29 /// \brief Converter for Boost.Iterators based iterators.
  30 /**
  31 Container adaptor is dessigned to play well with Boost.Iterators. This
  32 converter can be used if this library is used to adapt the iterators.
  33                                                                             **/
  34 template
  35 <
  36     class Iterator,
  37     class ConstIterator
  38 >
  39 struct iterator_facade_to_base
  40 {
  41     BOOST_DEDUCED_TYPENAME Iterator::base_type operator()(Iterator iter) const
  42     {
  43         return iter.base();
  44     }
  45
  46     BOOST_DEDUCED_TYPENAME ConstIterator::base_type operator()(ConstIterator iter) const
  47     {
  48         return iter.base();
  49     }
  50 };
  51
  52 #ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
  53
  54 template
  55 <
  56     class Iterator
  57 >
  58 struct iterator_facade_to_base<Iterator,Iterator>
  59 {
  60     BOOST_DEDUCED_TYPENAME Iterator::base_type operator()(Iterator iter) const
  61     {
  62         return iter.base();
  63     }
  64 };
  65
  66 #endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
  67
  68 #undef BOOST_BIMAP_CONTAINER_ADAPTOR_IMPLEMENT_CONVERT_FACADE_FUNCTION
  69
  70
  71 } // namespace support
  72 } // namespace container_adaptor
  73 } // namespace bimaps
  74 } // namespace boost
  75
  76
  77 #endif // BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_ITERATOR_FACADE_CONVERTERS_HPP