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91 lines
3.6 KiB
91 lines
3.6 KiB
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_TRANSFORM_VIEW_ITERATOR_07162005_1033)
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#define FUSION_TRANSFORM_VIEW_ITERATOR_07162005_1033
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/support/iterator_base.hpp>
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#include <boost/fusion/support/category_of.hpp>
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#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
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#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
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#include <boost/fusion/view/transform_view/detail/deref_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/next_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/prior_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/value_of_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/advance_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/distance_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/equal_to_impl.hpp>
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namespace boost { namespace fusion
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{
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// Unary Version
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struct transform_view_iterator_tag;
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template <typename First, typename F>
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struct transform_view_iterator
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: iterator_base<transform_view_iterator<First, F> >
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{
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typedef transform_view_iterator_tag fusion_tag;
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typedef convert_iterator<First> converter;
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typedef typename converter::type first_type;
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typedef typename traits::category_of<first_type>::type category;
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typedef F transform_type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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transform_view_iterator(First const& in_first, F const& in_f)
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: first(converter::call(in_first)), f(in_f) {}
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first_type first;
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transform_type f;
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// silence MSVC warning C4512: assignment operator could not be generated
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BOOST_DELETED_FUNCTION(transform_view_iterator& operator= (transform_view_iterator const&))
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};
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// Binary Version
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struct transform_view_iterator2_tag;
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template <typename First1, typename First2, typename F>
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struct transform_view_iterator2
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: iterator_base<transform_view_iterator2<First1, First2, F> >
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{
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typedef transform_view_iterator2_tag fusion_tag;
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typedef convert_iterator<First1> converter1;
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typedef convert_iterator<First2> converter2;
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typedef typename converter1::type first1_type;
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typedef typename converter2::type first2_type;
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typedef typename traits::category_of<first1_type>::type category;
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typedef F transform_type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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transform_view_iterator2(First1 const& in_first1, First2 const& in_first2, F const& in_f)
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: first1(converter1::call(in_first1)), first2(converter2::call(in_first2)), f(in_f) {}
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first1_type first1;
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first2_type first2;
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transform_type f;
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// silence MSVC warning C4512: assignment operator could not be generated
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BOOST_DELETED_FUNCTION(transform_view_iterator2& operator= (transform_view_iterator2 const&))
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};
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}}
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#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
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namespace std
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{
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template <typename First, typename F>
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struct iterator_traits< ::boost::fusion::transform_view_iterator<First, F> >
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{ };
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template <typename First1, typename First2, typename F>
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struct iterator_traits< ::boost::fusion::transform_view_iterator2<First1, First2, F> >
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{ };
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}
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#endif
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#endif
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