Add SCons configure checks

[senf.git] / boost_ext / boost / multi_index / detail / rnd_node_iterator.hpp

diff --git a/boost_ext/boost/multi_index/detail/rnd_node_iterator.hpp b/boost_ext/boost/multi_index/detail/rnd_node_iterator.hpp
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+++ b/boost_ext/boost/multi_index/detail/rnd_node_iterator.hpp
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+/* Copyright 2003-2007 Joaquín M López Muñoz.
+ * 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_RND_NODE_ITERATOR_HPP
+#define BOOST_MULTI_INDEX_DETAIL_RND_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 random access iterators. */
+
+template<typename Node,typename Derived=mpl::na>
+class rnd_node_iterator:
+  public random_access_iterator_helper<
+    rnd_node_iterator<Node,Derived>,
+    typename Node::value_type,
+    std::ptrdiff_t,
+    const typename Node::value_type*,
+    const typename Node::value_type&>
+{
+public:
+  rnd_node_iterator(){}
+  explicit rnd_node_iterator(Node* node_):node(node_){}
+
+  const typename Node::value_type& operator*()const
+  {
+    return node->value();
+  }
+
+  rnd_node_iterator& operator++()
+  {
+    Node::increment(node);
+    return *this;
+  }
+
+  rnd_node_iterator& operator--()
+  {
+    Node::decrement(node);
+    return *this;
+  }
+
+  rnd_node_iterator& operator+=(std::ptrdiff_t n)
+  {
+    Node::advance(node,n);
+    return *this;
+  }
+
+  rnd_node_iterator& operator-=(std::ptrdiff_t n)
+  {
+    Node::advance(node,-n);
+    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,typename Derived>
+bool operator==(
+  const rnd_node_iterator<Node,Derived>& x,
+  const rnd_node_iterator<Node,Derived>& y)
+{
+  return x.get_node()==y.get_node();
+}
+
+template<typename Node,typename Derived>
+bool operator<(
+  const rnd_node_iterator<Node,Derived>& x,
+  const rnd_node_iterator<Node,Derived>& y)
+{
+  return Node::distance(x.get_node(),y.get_node())>0;
+}
+
+template<typename Node,typename Derived>
+std::ptrdiff_t operator-(
+  const rnd_node_iterator<Node,Derived>& x,
+  const rnd_node_iterator<Node,Derived>& y)
+{
+  return Node::distance(y.get_node(),x.get_node());
+}
+
+} /* namespace multi_index::detail */
+
+} /* namespace multi_index */
+
+} /* namespace boost */
+
+#endif