///////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2006-2014 // // 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_DETAIL_HOOK_TRAITS_HPP #define BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP #ifndef BOOST_CONFIG_HPP # include <boost/config.hpp> #endif #if defined(BOOST_HAS_PRAGMA_ONCE) # pragma once #endif #include <boost/intrusive/detail/workaround.hpp> #include <boost/intrusive/pointer_traits.hpp> #include <boost/intrusive/detail/parent_from_member.hpp> #include <boost/intrusive/link_mode.hpp> #include <boost/intrusive/detail/mpl.hpp> #include <boost/intrusive/detail/to_raw_pointer.hpp> #include <boost/intrusive/detail/node_holder.hpp> namespace boost { namespace intrusive { template<class T, class NodePtr, class Tag, unsigned int Type> struct bhtraits_base { public: typedef NodePtr node_ptr; typedef typename pointer_traits<node_ptr>::element_type node; typedef node_holder<node, Tag, Type> node_holder_type; typedef T value_type; typedef typename pointer_traits<node_ptr>:: template rebind_pointer<const node>::type const_node_ptr; typedef typename pointer_traits<node_ptr>:: template rebind_pointer<T>::type pointer; typedef typename pointer_traits<node_ptr>:: template rebind_pointer<const T>::type const_pointer; //typedef typename pointer_traits<pointer>::reference reference; //typedef typename pointer_traits<const_pointer>::reference const_reference; typedef T & reference; typedef const T & const_reference; typedef node_holder_type & node_holder_reference; typedef const node_holder_type & const_node_holder_reference; typedef node& node_reference; typedef const node & const_node_reference; BOOST_INTRUSIVE_FORCEINLINE static pointer to_value_ptr(const node_ptr & n) { return pointer_traits<pointer>::pointer_to (static_cast<reference>(static_cast<node_holder_reference>(*n))); } BOOST_INTRUSIVE_FORCEINLINE static const_pointer to_value_ptr(const const_node_ptr & n) { return pointer_traits<const_pointer>::pointer_to (static_cast<const_reference>(static_cast<const_node_holder_reference>(*n))); } BOOST_INTRUSIVE_FORCEINLINE static node_ptr to_node_ptr(reference value) { return pointer_traits<node_ptr>::pointer_to (static_cast<node_reference>(static_cast<node_holder_reference>(value))); } BOOST_INTRUSIVE_FORCEINLINE static const_node_ptr to_node_ptr(const_reference value) { return pointer_traits<const_node_ptr>::pointer_to (static_cast<const_node_reference>(static_cast<const_node_holder_reference>(value))); } }; template<class T, class NodeTraits, link_mode_type LinkMode, class Tag, unsigned int Type> struct bhtraits : public bhtraits_base<T, typename NodeTraits::node_ptr, Tag, Type> { static const link_mode_type link_mode = LinkMode; typedef NodeTraits node_traits; }; template<class T, class Hook, Hook T::* P> struct mhtraits { public: typedef Hook hook_type; typedef typename hook_type::hooktags::node_traits node_traits; typedef typename node_traits::node node; typedef T value_type; 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<T>::type pointer; typedef typename pointer_traits<node_ptr>:: template rebind_pointer<const T>::type const_pointer; typedef T & reference; typedef const T & const_reference; typedef node& node_reference; typedef const node & const_node_reference; typedef hook_type& hook_reference; typedef const hook_type & const_hook_reference; static const link_mode_type link_mode = Hook::hooktags::link_mode; BOOST_INTRUSIVE_FORCEINLINE static node_ptr to_node_ptr(reference value) { return pointer_traits<node_ptr>::pointer_to (static_cast<node_reference>(static_cast<hook_reference>(value.*P))); } BOOST_INTRUSIVE_FORCEINLINE static const_node_ptr to_node_ptr(const_reference value) { return pointer_traits<const_node_ptr>::pointer_to (static_cast<const_node_reference>(static_cast<const_hook_reference>(value.*P))); } BOOST_INTRUSIVE_FORCEINLINE static pointer to_value_ptr(const node_ptr & n) { return pointer_traits<pointer>::pointer_to (*detail::parent_from_member<T, Hook> (static_cast<Hook*>(boost::intrusive::detail::to_raw_pointer(n)), P)); } BOOST_INTRUSIVE_FORCEINLINE static const_pointer to_value_ptr(const const_node_ptr & n) { return pointer_traits<const_pointer>::pointer_to (*detail::parent_from_member<T, Hook> (static_cast<const Hook*>(boost::intrusive::detail::to_raw_pointer(n)), P)); } }; template<class Functor> struct fhtraits { public: typedef typename Functor::hook_type hook_type; typedef typename Functor::hook_ptr hook_ptr; typedef typename Functor::const_hook_ptr const_hook_ptr; typedef typename hook_type::hooktags::node_traits node_traits; typedef typename node_traits::node node; typedef typename Functor::value_type value_type; 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 value_type & reference; typedef const value_type & const_reference; static const link_mode_type link_mode = hook_type::hooktags::link_mode; static node_ptr to_node_ptr(reference value) { return static_cast<node*>(boost::intrusive::detail::to_raw_pointer(Functor::to_hook_ptr(value))); } static const_node_ptr to_node_ptr(const_reference value) { return static_cast<const node*>(boost::intrusive::detail::to_raw_pointer(Functor::to_hook_ptr(value))); } static pointer to_value_ptr(const node_ptr & n) { return Functor::to_value_ptr(to_hook_ptr(n)); } static const_pointer to_value_ptr(const const_node_ptr & n) { return Functor::to_value_ptr(to_hook_ptr(n)); } private: static hook_ptr to_hook_ptr(const node_ptr & n) { return hook_ptr(&*static_cast<hook_type*>(&*n)); } static const_hook_ptr to_hook_ptr(const const_node_ptr & n) { return const_hook_ptr(&*static_cast<const hook_type*>(&*n)); } }; } //namespace intrusive } //namespace boost #endif //BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP