Add SCons configure checks
[senf.git] / boost_ext / boost / bimap / detail / map_view_iterator.hpp
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+// Boost.Bimap
+//
+// Copyright (c) 2006-2007 Matias Capeletto
+//
+// 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)
+
+/// \file detail/map_view_iterator.hpp
+/// \brief Iterator adaptors from multi-index to bimap.
+
+#ifndef BOOST_BIMAP_DETAIL_MAP_VIEW_ITERATOR_HPP
+#define BOOST_BIMAP_DETAIL_MAP_VIEW_ITERATOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+// Boost
+// #include <boost/serialization/nvp.hpp>
+#include <boost/iterator/detail/enable_if.hpp>
+#include <boost/iterator/iterator_adaptor.hpp>
+#include <boost/bimap/relation/support/pair_by.hpp>
+
+namespace boost {
+namespace bimaps {
+namespace detail {
+
+#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+template< class Tag, class Relation, class CoreIterator > struct map_view_iterator;
+
+template< class Tag, class Relation, class CoreIterator >
+struct map_view_iterator_base
+{
+    typedef iterator_adaptor
+    <
+        map_view_iterator< Tag, Relation, CoreIterator >,
+        CoreIterator,
+        BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
+            pair_type_by<Tag,Relation>::type
+
+    > type;
+};
+
+#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+/** \brief Map View Iterator adaptor from multi index to bimap.
+
+This is class is based on transform iterator from Boost.Iterator that is
+modified to allow serialization. It has been specialized for this
+library, and EBO optimization was applied to the functor.
+
+                                                                      **/
+
+template< class Tag, class Relation, class CoreIterator >
+struct map_view_iterator : public map_view_iterator_base<Tag,Relation,CoreIterator>::type
+{
+    typedef BOOST_DEDUCED_TYPENAME
+        map_view_iterator_base<Tag,Relation,CoreIterator>::type base_;
+
+    public:
+
+    map_view_iterator() {}
+
+    map_view_iterator(CoreIterator const& iter)
+      : base_(iter) {}
+
+    map_view_iterator(map_view_iterator const & iter)
+      : base_(iter.base()) {}
+
+    BOOST_DEDUCED_TYPENAME base_::reference dereference() const
+    {
+        return ::boost::bimaps::relation::support::pair_by<Tag>(
+            *const_cast<BOOST_DEDUCED_TYPENAME base_::base_type::value_type*>(
+                &(*this->base())
+            )
+        );
+    }
+
+    private:
+
+    friend class iterator_core_access;
+
+    #ifndef BOOST_BIMAP_DISABLE_SERIALIZATION
+
+    // Serialization support
+
+    BOOST_SERIALIZATION_SPLIT_MEMBER()
+
+    friend class ::boost::serialization::access;
+
+    template< class Archive >
+    void save(Archive & ar, const unsigned int version) const
+    {
+        ar << ::boost::serialization::make_nvp("mi_iterator",this->base());
+    }
+
+    template< class Archive >
+    void load(Archive & ar, const unsigned int version)
+    {
+        CoreIterator iter;
+        ar >> ::boost::serialization::make_nvp("mi_iterator",iter);
+        this->base_reference() = iter;
+    }
+
+    #endif // BOOST_BIMAP_DISABLE_SERIALIZATION
+};
+
+
+#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+template< class Tag, class Relation, class CoreIterator > struct const_map_view_iterator;
+
+template< class Tag, class Relation, class CoreIterator >
+struct const_map_view_iterator_base
+{
+    typedef iterator_adaptor
+    <
+        const_map_view_iterator< Tag, Relation, CoreIterator >,
+        CoreIterator,
+        const BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
+             pair_type_by<Tag,Relation>::type
+
+    > type;
+};
+
+#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+
+/** \brief Const Map View Iterator adaptor from multi index to bimap.
+
+See also map_view_iterator.
+                                                                      **/
+
+template< class Tag, class Relation, class CoreIterator >
+struct const_map_view_iterator :
+
+    public const_map_view_iterator_base<Tag,Relation,CoreIterator>::type
+{
+    typedef BOOST_DEDUCED_TYPENAME
+        const_map_view_iterator_base<Tag,Relation,CoreIterator>::type base_;
+
+    public:
+
+    const_map_view_iterator() {}
+
+    const_map_view_iterator(CoreIterator const& iter)
+      : base_(iter) {}
+
+    const_map_view_iterator(const_map_view_iterator const & iter)
+      : base_(iter.base()) {}
+
+    const_map_view_iterator(map_view_iterator<Tag,Relation,CoreIterator> i)
+      : base_(i.base()) {}
+
+    BOOST_DEDUCED_TYPENAME base_::reference dereference() const
+    {
+        return ::boost::bimaps::relation::support::pair_by<Tag>(*this->base());
+    }
+
+    private:
+
+    friend class iterator_core_access;
+
+    #ifndef BOOST_BIMAP_DISABLE_SERIALIZATION
+
+    // Serialization support
+
+    BOOST_SERIALIZATION_SPLIT_MEMBER()
+
+    friend class ::boost::serialization::access;
+
+    template< class Archive >
+    void save(Archive & ar, const unsigned int version) const
+    {
+        ar << ::boost::serialization::make_nvp("mi_iterator",this->base());
+    }
+
+    template< class Archive >
+    void load(Archive & ar, const unsigned int version)
+    {
+        CoreIterator iter;
+        ar >> ::boost::serialization::make_nvp("mi_iterator",iter);
+        this->base_reference() = iter;
+    }
+
+    #endif // BOOST_BIMAP_DISABLE_SERIALIZATION
+};
+
+
+} // namespace detail
+} // namespace bimaps
+} // namespace boost
+
+#endif // BOOST_BIMAP_DETAIL_MAP_VIEW_ITERATOR_HPP
+
+