1 /*=============================================================================
2     Copyright (c) 2001-2006 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_INSERT_RANGE_009172005_1147)
8 #define FUSION_INSERT_RANGE_009172005_1147
9 
10 #include <boost/fusion/iterator/mpl/convert_iterator.hpp>
11 #include <boost/fusion/container/vector/vector10.hpp>
12 #include <boost/fusion/view/joint_view/joint_view.hpp>
13 #include <boost/fusion/view/iterator_range/iterator_range.hpp>
14 #include <boost/fusion/support/detail/as_fusion_element.hpp>
15 #include <boost/fusion/sequence/intrinsic/begin.hpp>
16 #include <boost/fusion/sequence/intrinsic/end.hpp>
17 #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
18 
19 namespace boost { namespace fusion
20 {
21     namespace result_of
22     {
23         template <typename Sequence, typename Position, typename Range>
24         struct insert_range
25         {
26             typedef typename convert_iterator<Position>::type pos_type;
27             typedef typename result_of::begin<Sequence>::type first_type;
28             typedef typename result_of::end<Sequence>::type last_type;
29 
30             typedef iterator_range<first_type, pos_type> left_type;
31             typedef iterator_range<pos_type, last_type> right_type;
32             typedef joint_view<left_type, Range> left_insert_type;
33             typedef joint_view<left_insert_type, right_type> type;
34         };
35     }
36 
37     template <typename Sequence, typename Position, typename Range>
38     inline typename result_of::insert_range<Sequence const, Position, Range const>::type
insert_range(Sequence const & seq,Position const & pos,Range const & range)39     insert_range(Sequence const& seq, Position const& pos, Range const& range)
40     {
41         typedef result_of::insert_range<Sequence const, Position, Range const> result_of;
42         typedef typename result_of::left_type left_type;
43         typedef typename result_of::right_type right_type;
44         typedef typename result_of::left_insert_type left_insert_type;
45         typedef typename result_of::type result;
46 
47         left_type left(fusion::begin(seq), convert_iterator<Position>::call(pos));
48         right_type right(convert_iterator<Position>::call(pos), fusion::end(seq));
49         left_insert_type left_insert(left, range);
50         return result(left_insert, right);
51     }
52 }}
53 
54 #endif
55 
56