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c++ port of deque working

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[SVN r77809]
This commit is contained in:
Joel de Guzman
2012-04-07 10:08:00 +00:00
parent 93ce3bd9bf
commit a36f0f95cb
2 changed files with 146 additions and 0 deletions
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127
include/boost/fusion/container/deque/cpp11_deque.hpp Normal file
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/*=============================================================================
Copyright (c) 2005-2012 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_CPP03_FUSION_DEQUE_26112006_1649)
#define BOOST_CPP03_FUSION_DEQUE_26112006_1649
#include <boost/type_traits/add_reference.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/is_convertible.hpp>
#include <boost/fusion/support/sequence_base.hpp>
#include <boost/fusion/container/deque/detail/keyed_element.hpp>
#include <boost/fusion/container/deque/deque_fwd.hpp>
#include <boost/fusion/container/deque/detail/value_at_impl.hpp>
#include <boost/fusion/container/deque/detail/at_impl.hpp>
#include <boost/fusion/container/deque/detail/begin_impl.hpp>
#include <boost/fusion/container/deque/detail/end_impl.hpp>
#include <boost/fusion/container/deque/detail/is_sequence_impl.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/mpl/int.hpp>
#include <boost/utility/enable_if.hpp>
namespace boost { namespace fusion
{
namespace detail
{
template<typename Key, typename Value, typename Rest>
struct keyed_element;
template <typename N, typename ...Elements>
struct deque_keyed_values_impl;
template <typename N, typename Head, typename ...Tail>
struct deque_keyed_values_impl<N, Head, Tail...>
{
typedef mpl::int_<(N::value + 1)> next_index;
typedef typename deque_keyed_values_impl<next_index, Tail...>::type tail;
typedef keyed_element<N, Head, tail> type;
static type call(
typename add_reference<typename add_const<Head>::type>::type head
, typename add_reference<typename add_const<Tail>::type>::type... tail)
{
return type(
head
, deque_keyed_values_impl<next_index, Tail...>::call(tail...)
);
}
};
struct nil_keyed_element;
template <typename N>
struct deque_keyed_values_impl<N>
{
typedef nil_keyed_element type;
static type call() { return type(); }
};
template <typename ...Elements>
struct deque_keyed_values
: deque_keyed_values_impl<mpl::int_<0>, Elements...> {};
}
struct deque_tag;
template <typename ...Elements>
struct deque;
template <typename Head, typename ...Tail>
struct deque<Head, Tail...>
: detail::deque_keyed_values<Head, Tail...>::type
, sequence_base<deque<Head, Tail...>>
{
typedef deque_tag fusion_tag;
typedef bidirectional_traversal_tag category;
typedef typename detail::deque_keyed_values<Head, Tail...>::type base;
typedef mpl::int_<(sizeof ...(Tail) + 1)> size;
typedef mpl::int_<size::value> next_up;
typedef mpl::int_<mpl::int_<((size::value == 0) ? 0 : -1)>::type::value> next_down;
typedef mpl::false_ is_view;
deque()
{}
explicit deque(typename add_reference<typename add_const<Head>::type>::type elem)
: base(elem, detail::nil_keyed_element())
{}
template <typename ...Elements>
deque(deque<Elements...> const& seq)
: base(seq)
{}
deque(typename add_reference<typename add_const<Head>::type>::type head
, typename add_reference<typename add_const<Tail>::type>::type... tail)
: base(detail::deque_keyed_values<Head, Tail...>::call(head, tail...))
{}
template <typename Sequence>
deque(Sequence const& seq
, typename disable_if<is_convertible<Sequence, Head> >::type* /*dummy*/ = 0)
: base(base::from_iterator(fusion::begin(seq)))
{}
template <typename ...Elements>
deque& operator=(deque<Elements...> const& rhs)
{
base::operator=(rhs);
return *this;
}
template <typename T>
deque& operator=(T const& rhs)
{
base::operator=(rhs);
return *this;
}
};
}}
#endif

19
include/boost/fusion/container/deque/cpp11_deque_fwd.hpp Normal file
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/*=============================================================================
Copyright (c) 2005-2012 Joel de Guzman
Copyright (c) 2005-2007 Dan Marsden
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_CPP11_DEQUE_FORWARD_04072012_0355)
#define FUSION_CPP11_DEQUE_FORWARD_04072012_0355
namespace boost { namespace fusion
{
struct void_;
template <typename ...T>
struct deque;
}}
#endif