mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-22 12:51:42 +03:00
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (C) Copyright Ion Gaztanaga 2006-2013
|
|
//
|
|
// 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)
|
|
//
|
|
// See http://www.boost.org/libs/intrusive for documentation.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP
|
|
#define BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP
|
|
|
|
#include <boost/intrusive/detail/config_begin.hpp>
|
|
#include <boost/intrusive/intrusive_fwd.hpp>
|
|
#include <boost/intrusive/link_mode.hpp>
|
|
#include <boost/intrusive/pointer_traits.hpp>
|
|
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
|
# pragma once
|
|
#endif
|
|
|
|
namespace boost {
|
|
namespace intrusive {
|
|
|
|
//!This value traits template is used to create value traits
|
|
//!from user defined node traits where value_traits::value_type will
|
|
//!derive from node_traits::node
|
|
|
|
template<class T, class NodeTraits, link_mode_type LinkMode
|
|
#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
|
|
= safe_link
|
|
#endif
|
|
>
|
|
struct derivation_value_traits
|
|
{
|
|
public:
|
|
typedef NodeTraits node_traits;
|
|
typedef T value_type;
|
|
typedef typename node_traits::node node;
|
|
typedef typename node_traits::node_ptr node_ptr;
|
|
typedef typename node_traits::const_node_ptr const_node_ptr;
|
|
typedef typename pointer_traits<node_ptr>::
|
|
template rebind_pointer<value_type>::type pointer;
|
|
typedef typename pointer_traits<node_ptr>::
|
|
template rebind_pointer<const value_type>::type const_pointer;
|
|
typedef typename boost::intrusive::
|
|
pointer_traits<pointer>::reference reference;
|
|
typedef typename boost::intrusive::
|
|
pointer_traits<const_pointer>::reference const_reference;
|
|
static const link_mode_type link_mode = LinkMode;
|
|
|
|
static node_ptr to_node_ptr(reference value)
|
|
{ return node_ptr(&value); }
|
|
|
|
static const_node_ptr to_node_ptr(const_reference value)
|
|
{ return node_ptr(&value); }
|
|
|
|
static pointer to_value_ptr(const node_ptr &n)
|
|
{
|
|
return pointer_traits<pointer>::pointer_to(static_cast<reference>(*n));
|
|
}
|
|
|
|
static const_pointer to_value_ptr(const const_node_ptr &n)
|
|
{
|
|
return pointer_traits<pointer>::pointer_to(static_cast<const_reference>(*n));
|
|
}
|
|
};
|
|
|
|
} //namespace intrusive
|
|
} //namespace boost
|
|
|
|
#include <boost/intrusive/detail/config_end.hpp>
|
|
|
|
#endif //BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP
|