/*=============================================================================
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Copyright (c) 2007 Tobias Schwinger
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#ifndef BOOST_FUSION_REPETITIVE_VIEW_ITERATOR_HPP_INCLUDED
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#define BOOST_FUSION_REPETITIVE_VIEW_ITERATOR_HPP_INCLUDED
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/support/iterator_base.hpp>
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#include <boost/fusion/support/category_of.hpp>
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#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
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#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/end.hpp>
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#include <boost/fusion/view/repetitive_view/detail/deref_impl.hpp>
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#include <boost/fusion/view/repetitive_view/detail/next_impl.hpp>
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#include <boost/fusion/view/repetitive_view/detail/value_of_impl.hpp>
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namespace boost { namespace fusion
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{
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struct repetitive_view_iterator_tag;
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template<typename Sequence, typename Pos =
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typename result_of::begin<Sequence>::type>
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struct repetitive_view_iterator
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: iterator_base< repetitive_view_iterator<Sequence,Pos> >
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{
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typedef repetitive_view_iterator_tag fusion_tag;
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typedef Sequence sequence_type;
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typedef typename convert_iterator<Pos>::type pos_type;
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typedef typename convert_iterator<typename result_of::begin<Sequence>::type>::type first_type;
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typedef typename convert_iterator<typename result_of::end<Sequence>::type>::type end_type;
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typedef single_pass_traversal_tag category;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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explicit repetitive_view_iterator(Sequence& in_seq)
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: seq(in_seq), pos(begin(in_seq)) {}
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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repetitive_view_iterator(Sequence& in_seq, pos_type const& in_pos)
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: seq(in_seq), pos(in_pos) {}
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Sequence& seq;
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pos_type pos;
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// silence MSVC warning C4512: assignment operator could not be generated
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BOOST_DELETED_FUNCTION(repetitive_view_iterator& operator= (repetitive_view_iterator const&))
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};
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}}
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#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
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namespace std
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{
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template <typename Sequence, typename Pos>
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struct iterator_traits< ::boost::fusion::repetitive_view_iterator<Sequence, Pos> >
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{ };
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}
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#endif
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#endif
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