| /*============================================================================= |
| Copyright (c) 2001-2006 Joel de Guzman |
| |
| 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(FUSION_JOINT_VIEW_ITERATOR_07162005_0140) |
| #define FUSION_JOINT_VIEW_ITERATOR_07162005_0140 |
| |
| #include <boost/fusion/support/iterator_base.hpp> |
| #include <boost/fusion/iterator/equal_to.hpp> |
| #include <boost/fusion/iterator/mpl/convert_iterator.hpp> |
| #include <boost/fusion/adapted/mpl/mpl_iterator.hpp> |
| #include <boost/fusion/view/joint_view/detail/deref_impl.hpp> |
| #include <boost/fusion/view/joint_view/detail/next_impl.hpp> |
| #include <boost/fusion/view/joint_view/detail/value_of_impl.hpp> |
| #include <boost/fusion/view/joint_view/detail/deref_data_impl.hpp> |
| #include <boost/fusion/view/joint_view/detail/value_of_data_impl.hpp> |
| #include <boost/fusion/view/joint_view/detail/key_of_impl.hpp> |
| #include <boost/static_assert.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| struct joint_view_iterator_tag; |
| struct forward_traversal_tag; |
| |
| template <typename Category, typename First, typename Last, typename Concat> |
| struct joint_view_iterator |
| : iterator_base<joint_view_iterator<Category, First, Last, Concat> > |
| { |
| typedef convert_iterator<First> first_converter; |
| typedef convert_iterator<Last> last_converter; |
| typedef convert_iterator<Concat> concat_converter; |
| |
| typedef typename first_converter::type first_type; |
| typedef typename last_converter::type last_type; |
| typedef typename concat_converter::type concat_type; |
| |
| typedef joint_view_iterator_tag fusion_tag; |
| typedef Category category; |
| BOOST_STATIC_ASSERT((!result_of::equal_to<first_type, last_type>::value)); |
| |
| joint_view_iterator(First const& in_first, Concat const& in_concat) |
| : first(first_converter::call(in_first)) |
| , concat(concat_converter::call(in_concat)) |
| {} |
| |
| first_type first; |
| concat_type concat; |
| |
| private: |
| // silence MSVC warning C4512: assignment operator could not be generated |
| joint_view_iterator& operator= (joint_view_iterator const&); |
| }; |
| }} |
| |
| #endif |
| |
| |