188 lines
8.3 KiB
C++
188 lines
8.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2014
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP
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#define BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/intrusive/detail/workaround.hpp>
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#include <boost/intrusive/pointer_traits.hpp>
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#include <boost/intrusive/detail/parent_from_member.hpp>
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#include <boost/intrusive/link_mode.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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#include <boost/intrusive/detail/to_raw_pointer.hpp>
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#include <boost/intrusive/detail/node_holder.hpp>
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namespace boost {
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namespace intrusive {
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template<class T, class NodePtr, class Tag, unsigned int Type>
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struct bhtraits_base
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{
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public:
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typedef NodePtr node_ptr;
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typedef typename pointer_traits<node_ptr>::element_type node;
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typedef node_holder<node, Tag, Type> node_holder_type;
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typedef T value_type;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<const node>::type const_node_ptr;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<T>::type pointer;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<const T>::type const_pointer;
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//typedef typename pointer_traits<pointer>::reference reference;
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//typedef typename pointer_traits<const_pointer>::reference const_reference;
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typedef T & reference;
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typedef const T & const_reference;
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typedef node_holder_type & node_holder_reference;
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typedef const node_holder_type & const_node_holder_reference;
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typedef node& node_reference;
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typedef const node & const_node_reference;
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BOOST_INTRUSIVE_FORCEINLINE static pointer to_value_ptr(const node_ptr & n)
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{
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return pointer_traits<pointer>::pointer_to
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(static_cast<reference>(static_cast<node_holder_reference>(*n)));
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}
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BOOST_INTRUSIVE_FORCEINLINE static const_pointer to_value_ptr(const const_node_ptr & n)
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{
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return pointer_traits<const_pointer>::pointer_to
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(static_cast<const_reference>(static_cast<const_node_holder_reference>(*n)));
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}
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BOOST_INTRUSIVE_FORCEINLINE static node_ptr to_node_ptr(reference value)
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{
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return pointer_traits<node_ptr>::pointer_to
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(static_cast<node_reference>(static_cast<node_holder_reference>(value)));
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}
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BOOST_INTRUSIVE_FORCEINLINE static const_node_ptr to_node_ptr(const_reference value)
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{
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return pointer_traits<const_node_ptr>::pointer_to
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(static_cast<const_node_reference>(static_cast<const_node_holder_reference>(value)));
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}
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};
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template<class T, class NodeTraits, link_mode_type LinkMode, class Tag, unsigned int Type>
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struct bhtraits
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: public bhtraits_base<T, typename NodeTraits::node_ptr, Tag, Type>
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{
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static const link_mode_type link_mode = LinkMode;
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typedef NodeTraits node_traits;
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};
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template<class T, class Hook, Hook T::* P>
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struct mhtraits
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{
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public:
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typedef Hook hook_type;
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typedef typename hook_type::hooktags::node_traits node_traits;
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typedef typename node_traits::node node;
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typedef T value_type;
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typedef typename node_traits::node_ptr node_ptr;
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typedef typename node_traits::const_node_ptr const_node_ptr;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<T>::type pointer;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<const T>::type const_pointer;
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typedef T & reference;
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typedef const T & const_reference;
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typedef node& node_reference;
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typedef const node & const_node_reference;
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typedef hook_type& hook_reference;
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typedef const hook_type & const_hook_reference;
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static const link_mode_type link_mode = Hook::hooktags::link_mode;
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BOOST_INTRUSIVE_FORCEINLINE static node_ptr to_node_ptr(reference value)
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{
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return pointer_traits<node_ptr>::pointer_to
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(static_cast<node_reference>(static_cast<hook_reference>(value.*P)));
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}
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BOOST_INTRUSIVE_FORCEINLINE static const_node_ptr to_node_ptr(const_reference value)
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{
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return pointer_traits<const_node_ptr>::pointer_to
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(static_cast<const_node_reference>(static_cast<const_hook_reference>(value.*P)));
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}
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BOOST_INTRUSIVE_FORCEINLINE static pointer to_value_ptr(const node_ptr & n)
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{
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return pointer_traits<pointer>::pointer_to
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(*detail::parent_from_member<T, Hook>
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(static_cast<Hook*>(boost::intrusive::detail::to_raw_pointer(n)), P));
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}
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BOOST_INTRUSIVE_FORCEINLINE static const_pointer to_value_ptr(const const_node_ptr & n)
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{
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return pointer_traits<const_pointer>::pointer_to
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(*detail::parent_from_member<T, Hook>
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(static_cast<const Hook*>(boost::intrusive::detail::to_raw_pointer(n)), P));
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}
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};
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template<class Functor>
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struct fhtraits
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{
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public:
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typedef typename Functor::hook_type hook_type;
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typedef typename Functor::hook_ptr hook_ptr;
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typedef typename Functor::const_hook_ptr const_hook_ptr;
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typedef typename hook_type::hooktags::node_traits node_traits;
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typedef typename node_traits::node node;
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typedef typename Functor::value_type value_type;
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typedef typename node_traits::node_ptr node_ptr;
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typedef typename node_traits::const_node_ptr const_node_ptr;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<value_type>::type pointer;
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typedef typename pointer_traits<node_ptr>::
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template rebind_pointer<const value_type>::type const_pointer;
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typedef value_type & reference;
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typedef const value_type & const_reference;
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static const link_mode_type link_mode = hook_type::hooktags::link_mode;
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static node_ptr to_node_ptr(reference value)
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{ return static_cast<node*>(boost::intrusive::detail::to_raw_pointer(Functor::to_hook_ptr(value))); }
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static const_node_ptr to_node_ptr(const_reference value)
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{ return static_cast<const node*>(boost::intrusive::detail::to_raw_pointer(Functor::to_hook_ptr(value))); }
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static pointer to_value_ptr(const node_ptr & n)
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{ return Functor::to_value_ptr(to_hook_ptr(n)); }
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static const_pointer to_value_ptr(const const_node_ptr & n)
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{ return Functor::to_value_ptr(to_hook_ptr(n)); }
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private:
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static hook_ptr to_hook_ptr(const node_ptr & n)
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{ return hook_ptr(&*static_cast<hook_type*>(&*n)); }
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static const_hook_ptr to_hook_ptr(const const_node_ptr & n)
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{ return const_hook_ptr(&*static_cast<const hook_type*>(&*n)); }
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};
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} //namespace intrusive
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} //namespace boost
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#endif //BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP
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