Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2009 Hartmut Kaiser
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(BOOST_FUSION_NVIEW_ITERATOR_SEP_23_2009_0948PM)
Chris@16: #define BOOST_FUSION_NVIEW_ITERATOR_SEP_23_2009_0948PM
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/fusion/support/iterator_base.hpp>
Chris@16: #include <boost/fusion/support/category_of.hpp>
Chris@16: #include <boost/fusion/sequence/intrinsic/begin.hpp>
Chris@16: #include <boost/fusion/sequence/intrinsic/end.hpp>
Chris@16: #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
Chris@16: 
Chris@16: #include <boost/fusion/view/nview/detail/size_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/begin_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/end_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/deref_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/value_of_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/next_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/prior_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/at_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/value_at_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/advance_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/distance_impl.hpp>
Chris@16: #include <boost/fusion/view/nview/detail/equal_to_impl.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion
Chris@16: {
Chris@16:     struct nview_iterator_tag;
Chris@16:     struct random_access_traversal_tag;
Chris@16: 
Chris@16:     template<typename Sequence, typename Pos>
Chris@16:     struct nview_iterator
Chris@16:       : iterator_base<nview_iterator<Sequence, Pos> >
Chris@16:     {
Chris@16:         typedef nview_iterator_tag fusion_tag;
Chris@16:         typedef random_access_traversal_tag category;
Chris@16: 
Chris@16:         typedef Sequence sequence_type;
Chris@16:         typedef mpl_iterator<Pos> first_type;
Chris@16: 
Chris@101:         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         explicit nview_iterator(Sequence& in_seq)
Chris@16:           : seq(in_seq) {}
Chris@16: 
Chris@16:         Sequence& seq;
Chris@16: 
Chris@16:     private:
Chris@16:         // silence MSVC warning C4512: assignment operator could not be generated
Chris@16:         nview_iterator& operator= (nview_iterator const&);
Chris@16:     };
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@101: #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
Chris@101: namespace std
Chris@101: {
Chris@101:     template <typename Sequence, typename Pos>
Chris@101:     struct iterator_traits< ::boost::fusion::nview_iterator<Sequence, Pos> >
Chris@101:     { };
Chris@101: }
Chris@16: #endif
Chris@16: 
Chris@101: #endif
Chris@16: 
Chris@101: