[857] | 1 | /*=============================================================================
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| 2 | Copyright (c) 2003 Joel de Guzman
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| 3 |
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| 4 | Use, modification and distribution is subject to the Boost Software
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| 5 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 6 | http://www.boost.org/LICENSE_1_0.txt)
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| 7 | ==============================================================================*/
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| 8 | #if !defined(FUSION_SEQUENCE_FILTER_VIEW_HPP)
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| 9 | #define FUSION_SEQUENCE_FILTER_VIEW_HPP
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| 10 |
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| 11 | #include <boost/spirit/fusion/detail/access.hpp>
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| 12 | #include <boost/spirit/fusion/iterator/filter_view_iterator.hpp>
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| 13 | #include <boost/spirit/fusion/sequence/detail/filter_view_begin_end_trts.hpp>
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| 14 | #include <boost/spirit/fusion/sequence/detail/sequence_base.hpp>
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| 15 | #include <boost/spirit/fusion/sequence/as_fusion_sequence.hpp>
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| 16 | #include <boost/spirit/fusion/sequence/begin.hpp>
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| 17 | #include <boost/spirit/fusion/sequence/end.hpp>
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| 18 |
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| 19 | namespace boost { namespace fusion
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| 20 | {
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| 21 | struct filter_view_tag;
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| 22 |
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| 23 | template <typename Sequence, typename Pred>
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| 24 | struct filter_view : sequence_base<filter_view<Sequence, Pred> >
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| 25 | {
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| 26 | typedef as_fusion_sequence<Sequence> seq_converter;
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| 27 | typedef typename seq_converter::type seq;
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| 28 |
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| 29 | typedef filter_view_tag tag;
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| 30 | typedef typename meta::begin<seq>::type first_type;
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| 31 | typedef typename meta::end<seq>::type last_type;
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| 32 | typedef Pred pred_type;
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| 33 |
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| 34 | filter_view(Sequence& seq)
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| 35 | : first(fusion::begin(seq))
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| 36 | , last(fusion::end(seq))
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| 37 | {}
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| 38 |
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| 39 | first_type first;
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| 40 | last_type last;
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| 41 | };
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| 42 | }}
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| 43 |
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| 44 | #endif
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| 45 |
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| 46 |
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