| ///////////////////////////////////////////////////////////////////////////// |
| // |
| // (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_KEY_NODEPTR_COMP_HPP |
| #define BOOST_INTRUSIVE_DETAIL_KEY_NODEPTR_COMP_HPP |
| |
| #ifndef BOOST_CONFIG_HPP |
| # include <boost/config.hpp> |
| #endif |
| |
| #if defined(BOOST_HAS_PRAGMA_ONCE) |
| # pragma once |
| #endif |
| |
| #include <boost/intrusive/detail/mpl.hpp> |
| #include <boost/intrusive/detail/ebo_functor_holder.hpp> |
| |
| namespace boost { |
| namespace intrusive { |
| namespace detail { |
| |
| template<class KeyValueCompare, class ValueTraits> |
| struct key_nodeptr_comp |
| //Use public inheritance to avoid MSVC bugs with closures |
| : public ebo_functor_holder<KeyValueCompare> |
| { |
| typedef ValueTraits value_traits; |
| typedef typename value_traits::value_type value_type; |
| typedef typename value_traits::node_ptr node_ptr; |
| typedef typename value_traits::const_node_ptr const_node_ptr; |
| typedef ebo_functor_holder<KeyValueCompare> base_t; |
| |
| key_nodeptr_comp(KeyValueCompare kcomp, const ValueTraits *traits) |
| : base_t(kcomp), traits_(traits) |
| {} |
| |
| template<class T> |
| struct is_node_ptr |
| { |
| static const bool value = is_same<T, const_node_ptr>::value || is_same<T, node_ptr>::value; |
| }; |
| |
| //key_forward |
| template<class T> |
| const value_type & key_forward |
| (const T &node, typename enable_if_c<is_node_ptr<T>::value>::type * = 0) const |
| { return *traits_->to_value_ptr(node); } |
| |
| template<class T> |
| const T & key_forward(const T &key, typename enable_if_c<!is_node_ptr<T>::value>::type* = 0) const |
| { return key; } |
| |
| //operator() 1 arg |
| template<class KeyType> |
| bool operator()(const KeyType &key1) const |
| { return base_t::get()(this->key_forward(key1)); } |
| |
| template<class KeyType> |
| bool operator()(const KeyType &key1) |
| { return base_t::get()(this->key_forward(key1)); } |
| |
| //operator() 2 arg |
| template<class KeyType, class KeyType2> |
| bool operator()(const KeyType &key1, const KeyType2 &key2) const |
| { return base_t::get()(this->key_forward(key1), this->key_forward(key2)); } |
| |
| template<class KeyType, class KeyType2> |
| bool operator()(const KeyType &key1, const KeyType2 &key2) |
| { return base_t::get()(this->key_forward(key1), this->key_forward(key2)); } |
| |
| const ValueTraits *const traits_; |
| }; |
| |
| } //namespace detail{ |
| } //namespace intrusive{ |
| } //namespace boost{ |
| |
| #endif //BOOST_INTRUSIVE_DETAIL_KEY_NODEPTR_COMP_HPP |