1 | /*=============================================================================
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2 | Copyright (c) 2003 Joel de Guzman
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3 | Copyright (c) 2004 Peder Holt
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4 |
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5 | Use, modification and distribution is subject to the Boost Software
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6 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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7 | http://www.boost.org/LICENSE_1_0.txt)
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8 | ==============================================================================*/
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9 | #if !defined(FUSION_ITERATOR_JOINT_VIEW_ITERATOR_HPP)
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10 | #define FUSION_ITERATOR_JOINT_VIEW_ITERATOR_HPP
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11 |
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12 | #include <boost/spirit/fusion/iterator/as_fusion_iterator.hpp>
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13 | #include <boost/spirit/fusion/iterator/detail/iterator_base.hpp>
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14 | #include <boost/spirit/fusion/iterator/detail/joint_view_iterator/deref_traits.hpp>
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15 | #include <boost/spirit/fusion/iterator/detail/joint_view_iterator/next_traits.hpp>
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16 | #include <boost/spirit/fusion/iterator/detail/joint_view_iterator/value_traits.hpp>
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17 | #include <boost/spirit/fusion/iterator/equal_to.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 joint_view_iterator_tag;
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22 |
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23 | template <typename First, typename Last, typename Concat>
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24 | struct joint_view_iterator
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25 | : iterator_base<joint_view_iterator<First, Last, Concat> >
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26 | {
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27 | typedef as_fusion_iterator<First> first_converter;
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28 | typedef as_fusion_iterator<Last> last_converter;
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29 | typedef as_fusion_iterator<Concat> concat_converter;
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30 |
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31 | typedef typename first_converter::type first_type;
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32 | typedef typename last_converter::type last_type;
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33 | typedef typename concat_converter::type concat_type;
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34 |
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35 | typedef joint_view_iterator_tag tag;
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36 | #if! BOOST_WORKAROUND(BOOST_MSVC,<=1300)
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37 | BOOST_STATIC_ASSERT((!meta::equal_to<first_type, last_type>::value));
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38 | #endif
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39 | joint_view_iterator(First const& first, Concat const& concat);
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40 |
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41 | first_type first;
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42 | concat_type concat;
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43 | };
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44 | template <typename First, typename Last, typename Concat>
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45 | joint_view_iterator<First,Last,Concat>::joint_view_iterator(First const& first, Concat const& concat)
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46 | : first(first_converter::convert(first))
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47 | , concat(concat_converter::convert(concat))
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48 | {}
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49 |
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50 |
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51 | }}
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52 |
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53 | #endif
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54 |
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55 |
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