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New Interprocess version

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[SVN r38271]
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Ion Gaztañaga
2007-07-22 14:08:34 +00:00
parent 0653ca2678
commit 1e108ff97e
18 changed files with 945 additions and 131 deletions
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57
include/boost/intrusive/derivation_value_traits.hpp Normal file
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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2007
//
// 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/linking_policy.hpp>
#include <iterator>
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, linking_policy Policy>
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 boost::pointer_to_other<node_ptr, T>::type pointer;
typedef typename boost::pointer_to_other<node_ptr, const T>::type const_pointer;
typedef typename std::iterator_traits<pointer>::reference reference;
typedef typename std::iterator_traits<const_pointer>::reference const_reference;
enum { linking_policy = Policy };
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(node_ptr n)
{ return pointer(static_cast<T*>(detail::get_pointer(n))); }
static const_pointer to_value_ptr(const_node_ptr n)
{ return const_pointer(static_cast<T*>(detail::get_pointer(n))); }
};
} //namespace intrusive
} //namespace boost
#endif //BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP