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| 2 | #ifndef BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Id$ |
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| 14 | // $Date$ |
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| 15 | // $Revision$ |
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| 16 | |
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| 17 | #include <boost/mpl/placeholders.hpp> |
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| 18 | #include <boost/mpl/fold.hpp> |
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| 19 | #include <boost/mpl/insert.hpp> |
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| 20 | #include <boost/mpl/clear.hpp> |
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| 21 | #include <boost/mpl/joint_view.hpp> |
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| 22 | #include <boost/mpl/iterator_range.hpp> |
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| 23 | #include <boost/mpl/aux_/na_spec.hpp> |
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| 24 | #include <boost/mpl/aux_/iter_push_front.hpp> |
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| 25 | #include <boost/mpl/aux_/traits_lambda_spec.hpp> |
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| 26 | #include <boost/mpl/aux_/config/forwarding.hpp> |
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| 27 | |
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| 28 | #include <boost/type_traits/same_traits.hpp> |
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| 29 | |
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| 30 | namespace boost { namespace mpl { |
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| 31 | |
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| 32 | // default implementation; conrete sequences might override it by |
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| 33 | // specializing either the 'insert_range_impl' or the primary |
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| 34 | // 'insert_range' template |
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| 35 | |
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| 36 | |
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| 37 | template< typename Tag > |
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| 38 | struct insert_range_impl |
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| 39 | { |
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| 40 | template< |
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| 41 | typename Sequence |
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| 42 | , typename Pos |
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| 43 | , typename Range |
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| 44 | > |
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| 45 | struct apply |
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| 46 | #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
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| 47 | : reverse_fold< |
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| 48 | joint_view< |
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| 49 | iterator_range<typename begin<Sequence>::type,Pos> |
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| 50 | , joint_view< |
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| 51 | Range |
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| 52 | , iterator_range<Pos,typename end<Sequence>::type> |
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| 53 | > |
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| 54 | > |
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| 55 | , typename clear<Sequence>::type |
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| 56 | , insert<_1, begin<_1>, _2> |
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| 57 | > |
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| 58 | { |
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| 59 | #else |
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| 60 | { |
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| 61 | typedef typename reverse_fold< |
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| 62 | joint_view< |
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| 63 | iterator_range<typename begin<Sequence>::type,Pos> |
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| 64 | , joint_view< |
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| 65 | Range |
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| 66 | , iterator_range<Pos,typename end<Sequence>::type> |
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| 67 | > |
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| 68 | > |
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| 69 | , typename clear<Sequence>::type |
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| 70 | , insert<_1, begin<_1>, _2> |
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| 71 | >::type type; |
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| 72 | #endif |
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| 73 | }; |
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| 74 | }; |
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| 75 | |
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| 76 | BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(3,insert_range_impl) |
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| 77 | |
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| 78 | }} |
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| 79 | |
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| 80 | #endif // BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED |
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| 81 | |
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