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