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authorAnas Nashif <anas.nashif@intel.com>2012-10-30 19:57:26 (GMT)
committerAnas Nashif <anas.nashif@intel.com>2012-10-30 19:57:26 (GMT)
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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 set_of.hpp
+/// \brief Include support for set constrains for the bimap container
+
+#ifndef BOOST_BIMAP_SET_OF_HPP
+#define BOOST_BIMAP_SET_OF_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <boost/bimap/detail/user_interface_config.hpp>
+
+#include <functional>
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/aux_/na.hpp>
+
+#include <boost/concept_check.hpp>
+
+#include <boost/bimap/detail/concept_tags.hpp>
+
+#include <boost/bimap/detail/generate_index_binder.hpp>
+#include <boost/bimap/detail/generate_view_binder.hpp>
+#include <boost/bimap/detail/generate_relation_binder.hpp>
+
+#include <boost/bimap/tags/support/value_type_of.hpp>
+
+#include <boost/multi_index/ordered_index.hpp>
+
+#include <boost/bimap/views/map_view.hpp>
+#include <boost/bimap/views/set_view.hpp>
+
+namespace boost {
+namespace bimaps {
+
+/// \brief Set Type Specification
+/**
+This struct is used to specify a set specification.
+It is not a container, it is just a metaprogramming facility to
+express the type of a set. Generally, this specification will
+be used in other place to create a container.
+It has the same syntax that an std::set instantiation, except
+that the allocator cannot be specified. The rationale behind
+this difference is that the allocator is not part of the set
+type specification, rather it is a container configuration
+parameter.
+The first parameter is the type of the objects in the set, and
+the second one is a Functor that compares them.
+Bimap binding metafunctions can be used with this class in
+the following way:
+
+\code
+using namespace support;
+
+BOOST_STATIC_ASSERT( is_set_type_of< set_of<Type> >::value )
+
+BOOST_STATIC_ASSERT
+(
+ is_same
+ <
+ set_of<Type,KeyCompare>::index_bind
+ <
+ KeyExtractor,
+ Tag
+
+ >::type,
+
+ ordered_unique< tag<Tag>, KeyExtractor, KeyCompare >
+
+ >::value
+)
+
+typedef bimap
+<
+ set_of<Type>, RightKeyType
+
+> bimap_with_left_type_as_set;
+
+BOOST_STATIC_ASSERT
+(
+ is_same
+ <
+ set_of<Type>::map_view_bind
+ <
+ member_at::left,
+ bimap_with_left_type_as_set
+
+ >::type,
+
+ map_view< member_at::left, bimap_with_left_type_as_set >
+
+ >::value
+)
+
+\endcode
+
+See also set_of_relation.
+ **/
+
+template
+<
+ class KeyType,
+ class KeyCompare = std::less< BOOST_DEDUCED_TYPENAME
+ ::boost::bimaps::tags::support::value_type_of<KeyType>::type >
+>
+struct set_of : public ::boost::bimaps::detail::set_type_of_tag
+{
+ /// User type, can be tagged
+ typedef KeyType user_type;
+
+ /// Type of the object that will be stored in the set
+ typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::tags::support::
+ value_type_of<user_type>::type value_type;
+
+ /// Functor that compare two keys
+ typedef KeyCompare key_compare;
+
+ struct lazy_concept_checked
+ {
+ BOOST_CLASS_REQUIRE ( value_type,
+ boost, AssignableConcept );
+
+ BOOST_CLASS_REQUIRE4( key_compare, bool, value_type, value_type,
+ boost, BinaryFunctionConcept );
+
+ typedef set_of type;
+ };
+
+ BOOST_BIMAP_GENERATE_INDEX_BINDER_1CP(
+
+ // binds to
+ multi_index::ordered_unique,
+
+ // with
+ key_compare
+ )
+
+ BOOST_BIMAP_GENERATE_MAP_VIEW_BINDER(
+
+ // binds to
+ views::map_view
+ )
+
+ BOOST_BIMAP_GENERATE_SET_VIEW_BINDER(
+
+ // binds to
+ views::set_view
+ )
+
+ typedef mpl::bool_<false> mutable_key;
+};
+
+
+/// \brief Set Of Relation Specification
+/**
+This struct is similar to set_of but it is bind logically to a
+relation. It is used in the bimap instantiation to specify the
+desired type of the main view. This struct implements internally
+a metafunction named bind_to that manages the quite complicated
+task of finding the right type of the set for the relation.
+
+\code
+template<class Relation>
+struct bind_to
+{
+ typedef -unspecified- type;
+};
+\endcode
+
+See also set_of, is_set_type_of_relation.
+ **/
+
+template< class KeyCompare = std::less< _relation > >
+struct set_of_relation : public ::boost::bimaps::detail::set_type_of_relation_tag
+{
+ /// Functor that compare two keys
+ typedef KeyCompare key_compare;
+
+ BOOST_BIMAP_GENERATE_RELATION_BINDER_1CP(
+
+ // binds to
+ set_of,
+
+ // with
+ key_compare
+ )
+
+ typedef mpl::bool_<false> left_mutable_key;
+ typedef mpl::bool_<false> right_mutable_key;
+};
+
+} // namespace bimaps
+} // namespace boost
+
+
+#endif // BOOST_BIMAP_SET_OF_HPP
+