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/*=============================================================================
Copyright (c) 2005-2013 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(BOOST_FUSION_MAP_IMPL_02032013_2233)
#define BOOST_FUSION_MAP_IMPL_02032013_2233
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/next.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/identity.hpp>
namespace boost { namespace fusion
{
struct fusion_sequence_tag;
}}
namespace boost { namespace fusion { namespace detail
{
struct map_impl_from_iterator {};
template <int index, typename ...T>
struct map_impl;
template <int index_>
struct map_impl<index_>
{
typedef fusion_sequence_tag tag;
static int const index = index_;
static int const size = 0;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl() BOOST_NOEXCEPT {}
template <typename Iterator>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(Iterator const&, map_impl_from_iterator) BOOST_NOEXCEPT
{}
template <typename Iterator>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
void assign(Iterator const&, map_impl_from_iterator) BOOST_NOEXCEPT
{}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
void get();
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
void get_val();
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
void get_key();
};
template <int index_, typename Pair, typename ...T>
struct map_impl<index_, Pair, T...> : map_impl<index_ + 1, T...>
{
typedef fusion_sequence_tag tag;
typedef map_impl<index_+1, T...> rest_type;
using rest_type::get;
using rest_type::get_val;
using rest_type::get_key;
static int const index = index_;
static int const size = rest_type::size + 1;
typedef Pair pair_type;
typedef typename Pair::first_type key_type;
typedef typename Pair::second_type value_type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl()
: rest_type(), element()
{}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(map_impl const& rhs)
: rest_type(rhs.get_base()), element(rhs.element)
{}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(map_impl&& rhs)
: rest_type(BOOST_FUSION_FWD_ELEM(rest_type, *static_cast<rest_type*>(&rhs)))
, element(BOOST_FUSION_FWD_ELEM(Pair, rhs.element))
{}
template <typename ...U>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(map_impl<index, U...> const& rhs)
: rest_type(rhs.get_base()), element(rhs.element)
{}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(typename detail::call_param<Pair>::type element_
, typename detail::call_param<T>::type... rest)
: rest_type(rest...), element(element_)
{}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(Pair&& element_, T&&... rest)
: rest_type(BOOST_FUSION_FWD_ELEM(T, rest)...)
, element(BOOST_FUSION_FWD_ELEM(Pair, element_))
{}
template <typename Iterator>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl(Iterator const& iter, map_impl_from_iterator fi)
: rest_type(fusion::next(iter), fi)
, element(*iter)
{}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
rest_type& get_base()
{
return *this;
}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
rest_type const& get_base() const
{
return *this;
}
BOOST_FUSION_GPU_ENABLED
value_type get_val(mpl::identity<key_type>);
BOOST_FUSION_GPU_ENABLED
pair_type get_val(mpl::int_<index>);
BOOST_FUSION_GPU_ENABLED
value_type get_val(mpl::identity<key_type>) const;
BOOST_FUSION_GPU_ENABLED
pair_type get_val(mpl::int_<index>) const;
BOOST_FUSION_GPU_ENABLED
mpl::identity<key_type> get_key(mpl::int_<index>);
BOOST_FUSION_GPU_ENABLED
mpl::identity<key_type> get_key(mpl::int_<index>) const;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
typename cref_result<value_type>::type
get(mpl::identity<key_type>) const
{
return element.second;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
typename ref_result<value_type>::type
get(mpl::identity<key_type>)
{
return element.second;
}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
typename cref_result<pair_type>::type
get(mpl::int_<index>) const
{
return element;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
typename ref_result<pair_type>::type
get(mpl::int_<index>)
{
return element;
}
template <typename ...U>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl& operator=(map_impl<index, U...> const& rhs)
{
rest_type::operator=(rhs);
element = rhs.element;
return *this;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl& operator=(map_impl const& rhs)
{
rest_type::operator=(rhs);
element = rhs.element;
return *this;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
map_impl& operator=(map_impl&& rhs)
{
rest_type::operator=(std::forward<map_impl>(rhs));
element = BOOST_FUSION_FWD_ELEM(Pair, rhs.element);
return *this;
}
template <typename Iterator>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
void assign(Iterator const& iter, map_impl_from_iterator fi)
{
rest_type::assign(fusion::next(iter), fi);
element = *iter;
}
Pair element;
};
}}}
#endif
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