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