boost/fusion/view/iterator_range/iterator_range.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 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_ITERATOR_RANGE_05062005_1224)
   8 #define FUSION_ITERATOR_RANGE_05062005_1224
   9
  10 #include <boost/fusion/support/detail/access.hpp>
  11 #include <boost/fusion/support/sequence_base.hpp>
  12 #include <boost/fusion/support/category_of.hpp>
  13 #include <boost/fusion/iterator/distance.hpp>
  14 #include <boost/fusion/iterator/mpl/convert_iterator.hpp>
  15 #include <boost/fusion/view/iterator_range/detail/begin_impl.hpp>
  16 #include <boost/fusion/view/iterator_range/detail/end_impl.hpp>
  17 #include <boost/fusion/view/iterator_range/detail/at_impl.hpp>
  18 #include <boost/fusion/view/iterator_range/detail/size_impl.hpp>
  19 #include <boost/fusion/view/iterator_range/detail/value_at_impl.hpp>
  20 #include <boost/fusion/view/iterator_range/detail/is_segmented_impl.hpp>
  21 #include <boost/fusion/view/iterator_range/detail/segments_impl.hpp>
  22 #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
  23 #include <boost/config.hpp>
  24
  25 #if defined (BOOST_MSVC)
  26 #  pragma warning(push)
  27 #  pragma warning (disable: 4512) // assignment operator could not be generated.
  28 #endif
  29
  30 namespace boost { namespace fusion
  31 {
  32     struct iterator_range_tag;
  33     struct fusion_sequence_tag;
  34
  35     template <typename First, typename Last>
  36     struct iterator_range : sequence_base<iterator_range<First, Last> >
  37     {
  38         typedef typename convert_iterator<First>::type begin_type;
  39         typedef typename convert_iterator<Last>::type end_type;
  40         typedef iterator_range_tag fusion_tag;
  41         typedef fusion_sequence_tag tag; // this gets picked up by MPL
  42         typedef mpl::true_ is_view;
  43
  44         typedef typename traits::category_of<begin_type>::type category;
  45
  46         iterator_range(First const& in_first, Last const& in_last)
  47             : first(convert_iterator<First>::call(in_first))
  48             , last(convert_iterator<Last>::call(in_last)) {}
  49
  50         begin_type first;
  51         end_type last;
  52     };
  53 }}
  54
  55 #if defined (BOOST_MSVC)
  56 #  pragma warning(pop)
  57 #endif
  58
  59 #endif
  60
  61