1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #if !defined(FUSION_TRANSFORM_VIEW_ITERATOR_07162005_1033)
8 #define FUSION_TRANSFORM_VIEW_ITERATOR_07162005_1033
10 #include <boost/fusion/support/iterator_base.hpp>
11 #include <boost/fusion/support/category_of.hpp>
12 #include <boost/fusion/iterator/mpl/convert_iterator.hpp>
13 #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
14 #include <boost/fusion/view/transform_view/detail/deref_impl.hpp>
15 #include <boost/fusion/view/transform_view/detail/next_impl.hpp>
16 #include <boost/fusion/view/transform_view/detail/prior_impl.hpp>
17 #include <boost/fusion/view/transform_view/detail/value_of_impl.hpp>
18 #include <boost/fusion/view/transform_view/detail/advance_impl.hpp>
19 #include <boost/fusion/view/transform_view/detail/distance_impl.hpp>
20 #include <boost/fusion/view/transform_view/detail/equal_to_impl.hpp>
22 namespace boost { namespace fusion
25 struct transform_view_iterator_tag;
27 template <typename First, typename F>
28 struct transform_view_iterator
29 : iterator_base<transform_view_iterator<First, F> >
31 typedef transform_view_iterator_tag fusion_tag;
32 typedef convert_iterator<First> converter;
33 typedef typename converter::type first_type;
34 typedef typename traits::category_of<first_type>::type category;
35 typedef F transform_type;
37 transform_view_iterator(First const& in_first, F const& in_f)
38 : first(converter::call(in_first)), f(in_f) {}
44 // silence MSVC warning C4512: assignment operator could not be generated
45 transform_view_iterator& operator= (transform_view_iterator const&);
49 struct transform_view_iterator2_tag;
51 template <typename First1, typename First2, typename F>
52 struct transform_view_iterator2
53 : iterator_base<transform_view_iterator2<First1, First2, F> >
55 typedef transform_view_iterator2_tag fusion_tag;
56 typedef convert_iterator<First1> converter1;
57 typedef convert_iterator<First2> converter2;
58 typedef typename converter1::type first1_type;
59 typedef typename converter2::type first2_type;
60 typedef typename traits::category_of<first1_type>::type category;
61 typedef F transform_type;
63 transform_view_iterator2(First1 const& in_first1, First2 const& in_first2, F const& in_f)
64 : first1(converter1::call(in_first1)), first2(converter2::call(in_first2)), f(in_f) {}
71 // silence MSVC warning C4512: assignment operator could not be generated
72 transform_view_iterator2& operator= (transform_view_iterator2 const&);