125 lines
5.3 KiB
Plaintext
125 lines
5.3 KiB
Plaintext
/*=============================================================================
|
|
Copyright (c) 2001-2011 Joel de Guzman
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
==============================================================================*/
|
|
#if !defined(FUSION_TRANSFORM_VIEW_07162005_1037)
|
|
#define FUSION_TRANSFORM_VIEW_07162005_1037
|
|
|
|
#include <boost/fusion/support/config.hpp>
|
|
#include <boost/static_assert.hpp>
|
|
#include <boost/fusion/support/detail/access.hpp>
|
|
#include <boost/fusion/support/is_view.hpp>
|
|
#include <boost/fusion/support/category_of.hpp>
|
|
#include <boost/fusion/view/transform_view/transform_view_iterator.hpp>
|
|
#include <boost/fusion/view/transform_view/transform_view_fwd.hpp>
|
|
#include <boost/fusion/view/transform_view/detail/begin_impl.hpp>
|
|
#include <boost/fusion/view/transform_view/detail/end_impl.hpp>
|
|
#include <boost/fusion/view/transform_view/detail/at_impl.hpp>
|
|
#include <boost/fusion/view/transform_view/detail/value_at_impl.hpp>
|
|
#include <boost/fusion/view/detail/strictest_traversal.hpp>
|
|
#include <boost/fusion/container/vector/vector10.hpp>
|
|
#include <boost/fusion/sequence/intrinsic/size.hpp>
|
|
#include <boost/fusion/support/sequence_base.hpp>
|
|
#include <boost/fusion/sequence/intrinsic/begin.hpp>
|
|
#include <boost/fusion/sequence/intrinsic/end.hpp>
|
|
#include <boost/fusion/sequence/intrinsic/size.hpp>
|
|
#include <boost/mpl/bool.hpp>
|
|
|
|
namespace boost { namespace fusion
|
|
{
|
|
struct void_;
|
|
struct transform_view_tag;
|
|
struct transform_view2_tag;
|
|
struct fusion_sequence_tag;
|
|
|
|
// Binary Version
|
|
template <typename Sequence1, typename Sequence2, typename F>
|
|
struct transform_view : sequence_base<transform_view<Sequence1, Sequence2, F> >
|
|
{
|
|
BOOST_STATIC_ASSERT(result_of::size<Sequence1>::value == result_of::size<Sequence2>::value);
|
|
typedef transform_view2_tag fusion_tag;
|
|
typedef fusion_sequence_tag tag; // this gets picked up by MPL
|
|
typedef mpl::true_ is_view;
|
|
|
|
typedef typename traits::category_of<Sequence1>::type category1;
|
|
typedef typename traits::category_of<Sequence2>::type category2;
|
|
typedef typename detail::strictest_traversal<
|
|
fusion::vector2<Sequence1, Sequence2> >::type category;
|
|
typedef typename result_of::begin<Sequence1>::type first1_type;
|
|
typedef typename result_of::begin<Sequence2>::type first2_type;
|
|
typedef typename result_of::end<Sequence1>::type last1_type;
|
|
typedef typename result_of::end<Sequence2>::type last2_type;
|
|
typedef typename result_of::size<Sequence1>::type size;
|
|
typedef Sequence1 sequence1_type;
|
|
typedef Sequence2 sequence2_type;
|
|
typedef F transform_type;
|
|
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
transform_view(Sequence1& in_seq1, Sequence2& in_seq2, F const& binop)
|
|
: f(binop)
|
|
, seq1(in_seq1)
|
|
, seq2(in_seq2)
|
|
{}
|
|
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
first1_type first1() const { return fusion::begin(seq1); }
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
first2_type first2() const { return fusion::begin(seq2); }
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
last1_type last1() const { return fusion::end(seq1); }
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
last2_type last2() const { return fusion::end(seq2); }
|
|
|
|
transform_type f;
|
|
typename mpl::if_<traits::is_view<Sequence1>, Sequence1, Sequence1&>::type seq1;
|
|
typename mpl::if_<traits::is_view<Sequence2>, Sequence2, Sequence2&>::type seq2;
|
|
|
|
private:
|
|
// silence MSVC warning C4512: assignment operator could not be generated
|
|
transform_view& operator= (transform_view const&);
|
|
};
|
|
|
|
// Unary Version
|
|
template <typename Sequence, typename F>
|
|
#if defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
|
|
struct transform_view<Sequence, F, void_> : sequence_base<transform_view<Sequence, F, void_> >
|
|
#else
|
|
struct transform_view<Sequence, F> : sequence_base<transform_view<Sequence, F> >
|
|
#endif
|
|
{
|
|
typedef transform_view_tag fusion_tag;
|
|
typedef fusion_sequence_tag tag; // this gets picked up by MPL
|
|
typedef mpl::true_ is_view;
|
|
|
|
typedef typename traits::category_of<Sequence>::type category;
|
|
typedef typename result_of::begin<Sequence>::type first_type;
|
|
typedef typename result_of::end<Sequence>::type last_type;
|
|
typedef typename result_of::size<Sequence>::type size;
|
|
typedef Sequence sequence_type;
|
|
typedef F transform_type;
|
|
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
transform_view(Sequence& in_seq, F const& in_f)
|
|
: seq(in_seq)
|
|
, f(in_f)
|
|
{}
|
|
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
first_type first() const { return fusion::begin(seq); }
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
|
last_type last() const { return fusion::end(seq); }
|
|
typename mpl::if_<traits::is_view<Sequence>, Sequence, Sequence&>::type seq;
|
|
transform_type f;
|
|
|
|
private:
|
|
// silence MSVC warning C4512: assignment operator could not be generated
|
|
transform_view& operator= (transform_view const&);
|
|
};
|
|
}}
|
|
|
|
#endif
|
|
|
|
|