| 1 | /*============================================================================= |
|---|---|
| 2 | Copyright (c) 2001-2011 Joel de Guzman |
| 3 | Copyright (c) 2011 Eric Niebler |
| 4 | |
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | ==============================================================================*/ |
| 8 | #if !defined(BOOST_FUSION_SINGLE_VIEW_ITERATOR_05052005_0340) |
| 9 | #define BOOST_FUSION_SINGLE_VIEW_ITERATOR_05052005_0340 |
| 10 | |
| 11 | #include <boost/fusion/support/config.hpp> |
| 12 | #include <boost/fusion/support/detail/access.hpp> |
| 13 | #include <boost/fusion/support/iterator_base.hpp> |
| 14 | #include <boost/fusion/view/single_view/detail/deref_impl.hpp> |
| 15 | #include <boost/fusion/view/single_view/detail/next_impl.hpp> |
| 16 | #include <boost/fusion/view/single_view/detail/prior_impl.hpp> |
| 17 | #include <boost/fusion/view/single_view/detail/advance_impl.hpp> |
| 18 | #include <boost/fusion/view/single_view/detail/distance_impl.hpp> |
| 19 | #include <boost/fusion/view/single_view/detail/equal_to_impl.hpp> |
| 20 | #include <boost/fusion/view/single_view/detail/value_of_impl.hpp> |
| 21 | #include <boost/config.hpp> |
| 22 | |
| 23 | namespace boost { namespace fusion |
| 24 | { |
| 25 | struct single_view_iterator_tag; |
| 26 | struct random_access_traversal_tag; |
| 27 | |
| 28 | template <typename SingleView, typename Pos> |
| 29 | struct single_view_iterator |
| 30 | : iterator_base<single_view_iterator<SingleView, Pos> > |
| 31 | { |
| 32 | typedef single_view_iterator_tag fusion_tag; |
| 33 | typedef random_access_traversal_tag category; |
| 34 | typedef typename SingleView::value_type value_type; |
| 35 | typedef Pos position; |
| 36 | typedef SingleView single_view_type; |
| 37 | |
| 38 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| 39 | explicit single_view_iterator(single_view_type& in_view) |
| 40 | : view(in_view) {} |
| 41 | |
| 42 | SingleView& view; |
| 43 | |
| 44 | BOOST_DELETED_FUNCTION(single_view_iterator& operator=(single_view_iterator const&)) |
| 45 | }; |
| 46 | }} |
| 47 | |
| 48 | #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408 |
| 49 | namespace std |
| 50 | { |
| 51 | template <typename SingleView, typename Pos> |
| 52 | struct iterator_traits< ::boost::fusion::single_view_iterator<SingleView, Pos> > |
| 53 | { }; |
| 54 | } |
| 55 | #endif |
| 56 | |
| 57 | #endif |
| 58 | |
| 59 | |
| 60 |