1/*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
3
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
9
10#include <boost/fusion/support/config.hpp>
11#include <boost/fusion/support/iterator_base.hpp>
12#include <boost/fusion/support/category_of.hpp>
13#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
14#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
15#include <boost/fusion/view/transform_view/detail/deref_impl.hpp>
16#include <boost/fusion/view/transform_view/detail/next_impl.hpp>
17#include <boost/fusion/view/transform_view/detail/prior_impl.hpp>
18#include <boost/fusion/view/transform_view/detail/value_of_impl.hpp>
19#include <boost/fusion/view/transform_view/detail/advance_impl.hpp>
20#include <boost/fusion/view/transform_view/detail/distance_impl.hpp>
21#include <boost/fusion/view/transform_view/detail/equal_to_impl.hpp>
22#include <boost/fusion/view/transform_view/detail/key_of_impl.hpp>
23#include <boost/fusion/view/transform_view/detail/value_of_data_impl.hpp>
24#include <boost/fusion/view/transform_view/detail/deref_data_impl.hpp>
25
26#ifdef _MSC_VER
27# pragma warning(push)
28# pragma warning(disable: 4512) // assignment operator could not be generated.
29#endif
30
31namespace boost { namespace fusion
32{
33 // Unary Version
34 struct transform_view_iterator_tag;
35
36 template <typename First, typename F>
37 struct transform_view_iterator
38 : iterator_base<transform_view_iterator<First, F> >
39 {
40 typedef transform_view_iterator_tag fusion_tag;
41 typedef convert_iterator<First> converter;
42 typedef typename converter::type first_type;
43 typedef typename traits::category_of<first_type>::type category;
44 typedef F transform_type;
45
46 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
47 transform_view_iterator(First const& in_first, F const& in_f)
48 : first(converter::call(in_first)), f(in_f) {}
49
50 first_type first;
51 transform_type f;
52 };
53
54 // Binary Version
55 struct transform_view_iterator2_tag;
56
57 template <typename First1, typename First2, typename F>
58 struct transform_view_iterator2
59 : iterator_base<transform_view_iterator2<First1, First2, F> >
60 {
61 typedef transform_view_iterator2_tag fusion_tag;
62 typedef convert_iterator<First1> converter1;
63 typedef convert_iterator<First2> converter2;
64 typedef typename converter1::type first1_type;
65 typedef typename converter2::type first2_type;
66 typedef typename traits::category_of<first1_type>::type category;
67 typedef F transform_type;
68
69 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
70 transform_view_iterator2(First1 const& in_first1, First2 const& in_first2, F const& in_f)
71 : first1(converter1::call(in_first1)), first2(converter2::call(in_first2)), f(in_f) {}
72
73 first1_type first1;
74 first2_type first2;
75 transform_type f;
76 };
77}}
78
79#ifdef _MSC_VER
80# pragma warning(pop)
81#endif
82
83#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
84namespace std
85{
86 template <typename First, typename F>
87 struct iterator_traits< ::boost::fusion::transform_view_iterator<First, F> >
88 { };
89 template <typename First1, typename First2, typename F>
90 struct iterator_traits< ::boost::fusion::transform_view_iterator2<First1, First2, F> >
91 { };
92}
93#endif
94
95#endif
96
97