| ///////////////////////////////////////////////////////////////////////////// |
| // |
| // (C) Copyright Ion Gaztanaga 2014-2014 |
| // |
| // 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_NODE_CLONER_DISPOSER_HPP |
| #define BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP |
| |
| #ifndef BOOST_CONFIG_HPP |
| # include <boost/config.hpp> |
| #endif |
| |
| #if defined(BOOST_HAS_PRAGMA_ONCE) |
| # pragma once |
| #endif |
| |
| #include <boost/intrusive/link_mode.hpp> |
| #include <boost/intrusive/detail/mpl.hpp> |
| #include <boost/intrusive/detail/ebo_functor_holder.hpp> |
| #include <boost/intrusive/detail/algo_type.hpp> |
| #include <boost/intrusive/detail/assert.hpp> |
| |
| namespace boost { |
| namespace intrusive { |
| namespace detail { |
| |
| template<class F, class ValueTraits, algo_types AlgoType, bool IsConst = true> |
| struct node_cloner |
| //Use public inheritance to avoid MSVC bugs with closures |
| : public ebo_functor_holder<F> |
| { |
| typedef ValueTraits value_traits; |
| typedef typename value_traits::node_traits node_traits; |
| typedef typename node_traits::node_ptr node_ptr; |
| typedef ebo_functor_holder<F> base_t; |
| typedef typename get_algo< AlgoType |
| , node_traits>::type node_algorithms; |
| static const bool safemode_or_autounlink = |
| is_safe_autounlink<value_traits::link_mode>::value; |
| typedef typename value_traits::value_type value_type; |
| typedef typename value_traits::pointer pointer; |
| typedef typename value_traits::const_pointer const_pointer; |
| typedef typename node_traits::node node; |
| typedef typename value_traits::const_node_ptr const_node_ptr; |
| typedef typename pointer_traits<pointer>::reference reference; |
| typedef typename pointer_traits |
| <const_pointer>::reference const_reference; |
| typedef typename if_c<IsConst, const_reference, reference>::type reference_type; |
| |
| node_cloner(F f, const ValueTraits *traits) |
| : base_t(f), traits_(traits) |
| {} |
| |
| // tree-based containers use this method, which is proxy-reference friendly |
| BOOST_INTRUSIVE_FORCEINLINE node_ptr operator()(const node_ptr & p) |
| { |
| reference_type v = *traits_->to_value_ptr(p); |
| node_ptr n = traits_->to_node_ptr(*base_t::get()(v)); |
| //Cloned node must be in default mode if the linking mode requires it |
| BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(n)); |
| return n; |
| } |
| |
| const ValueTraits * const traits_; |
| }; |
| |
| template<class F, class ValueTraits, algo_types AlgoType> |
| struct node_disposer |
| //Use public inheritance to avoid MSVC bugs with closures |
| : public ebo_functor_holder<F> |
| { |
| typedef ValueTraits value_traits; |
| typedef typename value_traits::node_traits node_traits; |
| typedef typename node_traits::node_ptr node_ptr; |
| typedef ebo_functor_holder<F> base_t; |
| typedef typename get_algo< AlgoType |
| , node_traits>::type node_algorithms; |
| static const bool safemode_or_autounlink = |
| is_safe_autounlink<value_traits::link_mode>::value; |
| |
| node_disposer(F f, const ValueTraits *cont) |
| : base_t(f), traits_(cont) |
| {} |
| |
| BOOST_INTRUSIVE_FORCEINLINE void operator()(const node_ptr & p) |
| { |
| if(safemode_or_autounlink) |
| node_algorithms::init(p); |
| base_t::get()(traits_->to_value_ptr(p)); |
| } |
| const ValueTraits * const traits_; |
| }; |
| |
| } //namespace detail{ |
| } //namespace intrusive{ |
| } //namespace boost{ |
| |
| #endif //BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP |