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Diffstat (limited to 'boost/intrusive/detail/hook_traits.hpp')
| -rw-r--r-- | boost/intrusive/detail/hook_traits.hpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/boost/intrusive/detail/hook_traits.hpp b/boost/intrusive/detail/hook_traits.hpp new file mode 100644 index 0000000000..c9c115b1de --- /dev/null +++ b/boost/intrusive/detail/hook_traits.hpp @@ -0,0 +1,182 @@ +///////////////////////////////////////////////////////////////////////////// +// +// (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 + +#if defined(_MSC_VER) +# pragma once +#endif + +#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; + + static pointer to_value_ptr(const node_ptr & n) + { + return pointer_traits<pointer>::pointer_to + (static_cast<reference>(static_cast<node_holder_reference>(*n))); + } + + 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))); + } + + 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))); + } + + 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; + + 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))); + } + + 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))); + } + + 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)); + } + + 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 |