/* Copyright 2003-2008 Joaquin M Lopez Munoz. | |
* 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/multi_index for library home page. | |
*/ | |
#ifndef BOOST_MULTI_INDEX_DETAIL_BIDIR_NODE_ITERATOR_HPP | |
#define BOOST_MULTI_INDEX_DETAIL_BIDIR_NODE_ITERATOR_HPP | |
#if defined(_MSC_VER)&&(_MSC_VER>=1200) | |
#pragma once | |
#endif | |
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ | |
#include <boost/operators.hpp> | |
#if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION) | |
#include <boost/serialization/nvp.hpp> | |
#include <boost/serialization/split_member.hpp> | |
#endif | |
namespace boost{ | |
namespace multi_index{ | |
namespace detail{ | |
/* Iterator class for node-based indices with bidirectional | |
* iterators (ordered and sequenced indices.) | |
*/ | |
template<typename Node> | |
class bidir_node_iterator: | |
public bidirectional_iterator_helper< | |
bidir_node_iterator<Node>, | |
typename Node::value_type, | |
std::ptrdiff_t, | |
const typename Node::value_type*, | |
const typename Node::value_type&> | |
{ | |
public: | |
bidir_node_iterator(){} | |
explicit bidir_node_iterator(Node* node_):node(node_){} | |
const typename Node::value_type& operator*()const | |
{ | |
return node->value(); | |
} | |
bidir_node_iterator& operator++() | |
{ | |
Node::increment(node); | |
return *this; | |
} | |
bidir_node_iterator& operator--() | |
{ | |
Node::decrement(node); | |
return *this; | |
} | |
#if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION) | |
/* Serialization. As for why the following is public, | |
* see explanation in safe_mode_iterator notes in safe_mode.hpp. | |
*/ | |
BOOST_SERIALIZATION_SPLIT_MEMBER() | |
typedef typename Node::base_type node_base_type; | |
template<class Archive> | |
void save(Archive& ar,const unsigned int)const | |
{ | |
node_base_type* bnode=node; | |
ar<<serialization::make_nvp("pointer",bnode); | |
} | |
template<class Archive> | |
void load(Archive& ar,const unsigned int) | |
{ | |
node_base_type* bnode; | |
ar>>serialization::make_nvp("pointer",bnode); | |
node=static_cast<Node*>(bnode); | |
} | |
#endif | |
/* get_node is not to be used by the user */ | |
typedef Node node_type; | |
Node* get_node()const{return node;} | |
private: | |
Node* node; | |
}; | |
template<typename Node> | |
bool operator==( | |
const bidir_node_iterator<Node>& x, | |
const bidir_node_iterator<Node>& y) | |
{ | |
return x.get_node()==y.get_node(); | |
} | |
} /* namespace multi_index::detail */ | |
} /* namespace multi_index */ | |
} /* namespace boost */ | |
#endif |