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lib: core implementation of header_holder in list_impl

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Matei David
2014-05-15 18:55:56 -04:00
parent 81e994ff07
commit 7be8c2521b
1 changed files with 11 additions and 8 deletions
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19
include/boost/intrusive/list.hpp
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@@ -83,9 +83,12 @@ class list_impl
typedef typename node_traits::node_ptr node_ptr;
typedef typename node_traits::const_node_ptr const_node_ptr;
typedef circular_list_algorithms<node_traits> node_algorithms;
typedef Header_Holder header_holder_type;
static const bool constant_time_size = ConstantTimeSize;
static const bool stateful_value_traits = detail::is_stateful_value_traits<value_traits>::value;
static const bool has_container_from_iterator =
boost::is_same< header_holder_type, detail::default_header_holder< node_traits > >::value;
/// @cond
@@ -103,15 +106,13 @@ class list_impl
));
node_ptr get_root_node()
{ return pointer_traits<node_ptr>::pointer_to(data_.root_plus_size_.root_); }
{ return data_.root_plus_size_.get_node(); }
const_node_ptr get_root_node() const
{ return pointer_traits<const_node_ptr>::pointer_to(data_.root_plus_size_.root_); }
{ return data_.root_plus_size_.get_node(); }
struct root_plus_size : public size_traits
{
node root_;
};
struct root_plus_size : public header_holder_type, public size_traits
{ };
struct data_t : public value_traits
{
@@ -1255,8 +1256,10 @@ class list_impl
private:
static list_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
{
root_plus_size *r = detail::parent_from_member<root_plus_size, node>
( boost::intrusive::detail::to_raw_pointer(end_iterator.pointed_node()), &root_plus_size::root_);
BOOST_STATIC_ASSERT((has_container_from_iterator));
node_ptr p = end_iterator.pointed_node();
header_holder_type* h = header_holder_type::get_holder(p);
root_plus_size* r = static_cast< root_plus_size* >(h);
data_t *d = detail::parent_from_member<data_t, root_plus_size>
( r, &data_t::root_plus_size_);
list_impl *s = detail::parent_from_member<list_impl, data_t>(d, &list_impl::data_);