545 lines
22 KiB
C++
545 lines
22 KiB
C++
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// Boost.Bimap
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//
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// Copyright (c) 2006-2007 Matias Capeletto
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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/// \file detail/map_view_base.hpp
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/// \brief Helper base for the construction of the bimap views types.
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#ifndef BOOST_BIMAP_DETAIL_MAP_VIEW_BASE_HPP
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#define BOOST_BIMAP_DETAIL_MAP_VIEW_BASE_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/config.hpp>
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#include <stdexcept>
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#include <utility>
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#include <boost/throw_exception.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/bimap/relation/support/get_pair_functor.hpp>
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#include <boost/bimap/relation/detail/to_mutable_relation_functor.hpp>
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#include <boost/bimap/container_adaptor/support/iterator_facade_converters.hpp>
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#include <boost/bimap/relation/support/data_extractor.hpp>
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#include <boost/bimap/relation/support/opposite_tag.hpp>
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#include <boost/bimap/relation/support/pair_type_by.hpp>
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//#include <boost/bimap/support/iterator_type_by.hpp>
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#include <boost/bimap/support/key_type_by.hpp>
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#include <boost/bimap/support/data_type_by.hpp>
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#include <boost/bimap/support/value_type_by.hpp>
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#include <boost/bimap/detail/modifier_adaptor.hpp>
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#include <boost/bimap/detail/debug/static_error.hpp>
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#include <boost/bimap/detail/map_view_iterator.hpp>
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namespace boost {
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namespace bimaps {
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namespace detail {
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// The next macro can be converted in a metafunctor to gain code robustness.
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/*===========================================================================*/
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#define BOOST_BIMAP_MAP_VIEW_CONTAINER_ADAPTOR( \
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CONTAINER_ADAPTOR, TAG, BIMAP, OTHER_ITER, CONST_OTHER_ITER \
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) \
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::boost::bimaps::container_adaptor::CONTAINER_ADAPTOR \
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< \
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BOOST_DEDUCED_TYPENAME BIMAP::core_type:: \
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BOOST_NESTED_TEMPLATE index<TAG>::type, \
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::boost::bimaps::detail:: map_view_iterator<TAG,BIMAP>, \
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::boost::bimaps::detail::const_map_view_iterator<TAG,BIMAP>, \
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::boost::bimaps::detail:: OTHER_ITER<TAG,BIMAP>, \
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::boost::bimaps::detail::CONST_OTHER_ITER<TAG,BIMAP>, \
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::boost::bimaps::container_adaptor::support::iterator_facade_to_base \
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< \
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::boost::bimaps::detail:: map_view_iterator<TAG,BIMAP>, \
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::boost::bimaps::detail::const_map_view_iterator<TAG,BIMAP> \
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>, \
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::boost::mpl::na, \
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::boost::mpl::na, \
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::boost::bimaps::relation::detail:: \
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pair_to_relation_functor<TAG,BOOST_DEDUCED_TYPENAME BIMAP::relation>, \
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::boost::bimaps::relation::support:: \
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get_pair_functor<TAG, BOOST_DEDUCED_TYPENAME BIMAP::relation > \
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>
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/*===========================================================================*/
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#if defined(BOOST_MSVC)
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/*===========================================================================*/
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#define BOOST_BIMAP_MAP_VIEW_BASE_FRIEND(TYPE,TAG,BIMAP) \
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typedef ::boost::bimaps::detail::map_view_base< \
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TYPE<TAG,BIMAP>,TAG,BIMAP > friend_map_view_base; \
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friend class friend_map_view_base;
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/*===========================================================================*/
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#else
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/*===========================================================================*/
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#define BOOST_BIMAP_MAP_VIEW_BASE_FRIEND(TYPE,TAG,BIMAP) \
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friend class ::boost::bimaps::detail::map_view_base< \
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TYPE<TAG,BIMAP>,TAG,BIMAP >;
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/*===========================================================================*/
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#endif
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/// \brief Common base for map views.
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template< class Derived, class Tag, class BimapType>
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class map_view_base
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{
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typedef ::boost::bimaps::container_adaptor::support::
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iterator_facade_to_base<
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::boost::bimaps::detail:: map_view_iterator<Tag,BimapType>,
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::boost::bimaps::detail::const_map_view_iterator<Tag,BimapType>
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> iterator_to_base_;
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typedef ::boost::bimaps::relation::detail::
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pair_to_relation_functor<Tag,
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BOOST_DEDUCED_TYPENAME BimapType::relation> value_to_base_;
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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key_type_by<Tag,BimapType>::type key_type_;
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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data_type_by<Tag,BimapType>::type data_type_;
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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pair_type_by<Tag,
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BOOST_DEDUCED_TYPENAME BimapType::relation>::type value_type_;
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typedef
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::boost::bimaps::detail::map_view_iterator<Tag,BimapType> iterator_;
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public:
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bool replace(iterator_ position, const value_type_ & x)
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{
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return derived().base().replace(
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derived().template functor<iterator_to_base_>()(position),
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derived().template functor<value_to_base_>()(x)
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);
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}
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template< class CompatibleKey >
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bool replace_key(iterator_ position, const CompatibleKey & k)
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{
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return derived().base().replace(
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derived().template functor<iterator_to_base_>()(position),
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derived().template functor<value_to_base_>()(
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::boost::bimaps::relation::detail::
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copy_with_first_replaced(*position,k)
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)
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);
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}
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template< class CompatibleData >
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bool replace_data(iterator_ position, const CompatibleData & d)
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{
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return derived().base().replace(
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derived().template functor<iterator_to_base_>()(position),
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derived().template functor<value_to_base_>()(
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::boost::bimaps::relation::detail::
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copy_with_second_replaced(*position,d)
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)
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);
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}
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/* This function may be provided in the future
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template< class Modifier >
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bool modify(iterator_ position, Modifier mod)
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{
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return derived().base().modify(
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derived().template functor<iterator_to_base_>()(position),
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::boost::bimaps::detail::relation_modifier_adaptor
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<
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Modifier,
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BOOST_DEDUCED_TYPENAME BimapType::relation,
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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data_extractor
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<
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Tag, BOOST_DEDUCED_TYPENAME BimapType::relation
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>::type,
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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data_extractor
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<
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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opossite_tag<Tag,BimapType>::type,
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BOOST_DEDUCED_TYPENAME BimapType::relation
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>::type
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>(mod)
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);
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}
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*/
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template< class Modifier >
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bool modify_key(iterator_ position, Modifier mod)
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{
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return derived().base().modify_key(
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derived().template functor<iterator_to_base_>()(position), mod
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);
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}
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template< class Modifier >
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bool modify_data(iterator_ position, Modifier mod)
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{
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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data_extractor
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<
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
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opossite_tag<Tag,BimapType>::type,
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BOOST_DEDUCED_TYPENAME BimapType::relation
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>::type data_extractor_;
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return derived().base().modify(
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derived().template functor<iterator_to_base_>()(position),
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// this may be replaced later by
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// ::boost::bind( mod, ::boost::bind(data_extractor_(),_1) )
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::boost::bimaps::detail::unary_modifier_adaptor
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<
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Modifier,
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BOOST_DEDUCED_TYPENAME BimapType::relation,
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data_extractor_
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>(mod)
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);
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}
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protected:
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typedef map_view_base map_view_base_;
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private:
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// Curiously Recurring Template interface.
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Derived& derived()
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{
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return *static_cast<Derived*>(this);
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}
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Derived const& derived() const
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{
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return *static_cast<Derived const*>(this);
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}
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};
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template< class Derived, class Tag, class BimapType>
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class mutable_data_unique_map_view_access
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{
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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data_type_by<Tag,BimapType>::type data_type_;
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public:
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template< class CompatibleKey >
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data_type_ & at(const CompatibleKey& k)
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{
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typedef ::boost::bimaps::detail::
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map_view_iterator<Tag,BimapType> iterator;
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iterator iter = derived().find(k);
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if( iter == derived().end() )
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{
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::boost::throw_exception(
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std::out_of_range("bimap<>: invalid key")
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);
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}
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return iter->second;
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}
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template< class CompatibleKey >
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const data_type_ & at(const CompatibleKey& k) const
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{
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typedef ::boost::bimaps::detail::
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const_map_view_iterator<Tag,BimapType> const_iterator;
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const_iterator iter = derived().find(k);
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if( iter == derived().end() )
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{
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::boost::throw_exception(
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std::out_of_range("bimap<>: invalid key")
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);
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}
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return iter->second;
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}
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template< class CompatibleKey >
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data_type_ & operator[](const CompatibleKey& k)
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{
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typedef ::boost::bimaps::detail::
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map_view_iterator<Tag,BimapType> iterator;
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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value_type_by<Tag,BimapType>::type value_type;
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iterator iter = derived().find(k);
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if( iter == derived().end() )
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{
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iter = derived().insert( value_type(k,data_type_()) ).first;
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}
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return iter->second;
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}
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protected:
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typedef mutable_data_unique_map_view_access
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mutable_data_unique_map_view_access_;
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private:
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// Curiously Recurring Template interface.
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Derived& derived()
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{
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return *static_cast<Derived*>(this);
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}
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Derived const& derived() const
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{
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return *static_cast<Derived const*>(this);
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}
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};
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template< class Derived, class Tag, class BimapType>
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class non_mutable_data_unique_map_view_access
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{
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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data_type_by<Tag,BimapType>::type data_type_;
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public:
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template< class CompatibleKey >
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const data_type_ & at(const CompatibleKey& k) const
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{
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typedef ::boost::bimaps::detail::
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const_map_view_iterator<Tag,BimapType> const_iterator;
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const_iterator iter = derived().find(k);
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if( iter == derived().end() )
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{
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::boost::throw_exception(
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std::out_of_range("bimap<>: invalid key")
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);
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}
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return iter->second;
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}
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template< class CompatibleKey >
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data_type_ & operator[](const CompatibleKey&)
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{
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BOOST_BIMAP_STATIC_ERROR( OPERATOR_BRACKET_IS_NOT_SUPPORTED, (Derived));
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}
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protected:
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typedef non_mutable_data_unique_map_view_access
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non_mutable_data_unique_map_view_access_;
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private:
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// Curiously Recurring Template interface.
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Derived& derived()
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{
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return *static_cast<Derived*>(this);
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}
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Derived const& derived() const
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{
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return *static_cast<Derived const*>(this);
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}
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};
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template< class Derived, class Tag, class BimapType>
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struct unique_map_view_access
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{
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private:
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::support::
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value_type_by<Tag,BimapType>::type value_type;
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public:
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typedef BOOST_DEDUCED_TYPENAME ::boost::mpl::if_
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<
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||
|
|
typename ::boost::is_const<
|
||
|
|
BOOST_DEDUCED_TYPENAME value_type::second_type >::type,
|
||
|
|
|
||
|
|
non_mutable_data_unique_map_view_access<Derived,Tag,BimapType>,
|
||
|
|
mutable_data_unique_map_view_access<Derived,Tag,BimapType>
|
||
|
|
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Map views specialize the following structs to provide to the bimap class
|
||
|
|
// the extra side typedefs (i.e. left_local_iterator for unordered_maps,
|
||
|
|
// right_range_type for maps)
|
||
|
|
|
||
|
|
template< class MapView >
|
||
|
|
struct left_map_view_extra_typedefs {};
|
||
|
|
|
||
|
|
template< class MapView >
|
||
|
|
struct right_map_view_extra_typedefs {};
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
// This function is already part of Boost.Lambda.
|
||
|
|
// They may be moved to Boost.Utility.
|
||
|
|
|
||
|
|
template <class T> inline const T& make_const(const T& t) { return t; }
|
||
|
|
|
||
|
|
} // namespace bimaps
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
|
||
|
|
// The following macros avoids code duplication in map views
|
||
|
|
// Maybe this can be changed in the future using a scheme similar to
|
||
|
|
// the one used with map_view_base.
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
#define BOOST_BIMAP_MAP_VIEW_RANGE_IMPLEMENTATION(BASE) \
|
||
|
|
\
|
||
|
|
typedef std::pair< \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::iterator, \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::iterator> range_type; \
|
||
|
|
\
|
||
|
|
typedef std::pair< \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::const_iterator, \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::const_iterator> const_range_type; \
|
||
|
|
\
|
||
|
|
\
|
||
|
|
template< class LowerBounder, class UpperBounder> \
|
||
|
|
range_type range(LowerBounder lower,UpperBounder upper) \
|
||
|
|
{ \
|
||
|
|
std::pair< \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::iterator, \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::iterator \
|
||
|
|
\
|
||
|
|
> r( this->base().range(lower,upper) ); \
|
||
|
|
\
|
||
|
|
return range_type( \
|
||
|
|
this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::iterator_from_base \
|
||
|
|
>() ( r.first ), \
|
||
|
|
this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::iterator_from_base \
|
||
|
|
>() ( r.second ) \
|
||
|
|
); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
template< class LowerBounder, class UpperBounder> \
|
||
|
|
const_range_type range(LowerBounder lower,UpperBounder upper) const \
|
||
|
|
{ \
|
||
|
|
std::pair< \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::const_iterator, \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::const_iterator \
|
||
|
|
\
|
||
|
|
> r( this->base().range(lower,upper) ); \
|
||
|
|
\
|
||
|
|
return const_range_type( \
|
||
|
|
this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::iterator_from_base \
|
||
|
|
>() ( r.first ), \
|
||
|
|
this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::iterator_from_base \
|
||
|
|
>() ( r.second ) \
|
||
|
|
); \
|
||
|
|
}
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
#define BOOST_BIMAP_VIEW_ASSIGN_IMPLEMENTATION(BASE) \
|
||
|
|
\
|
||
|
|
template< class InputIterator > \
|
||
|
|
void assign(InputIterator first,InputIterator last) \
|
||
|
|
{ \
|
||
|
|
this->clear(); \
|
||
|
|
this->insert(this->end(),first,last); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
void assign(BOOST_DEDUCED_TYPENAME BASE::size_type n, \
|
||
|
|
const BOOST_DEDUCED_TYPENAME BASE::value_type& v) \
|
||
|
|
{ \
|
||
|
|
this->clear(); \
|
||
|
|
for(BOOST_DEDUCED_TYPENAME BASE::size_type i = 0 ; i < n ; ++i) \
|
||
|
|
{ \
|
||
|
|
this->push_back(v); \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
#define BOOST_BIMAP_VIEW_FRONT_BACK_IMPLEMENTATION(BASE) \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::reference front() \
|
||
|
|
{ \
|
||
|
|
return this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::value_from_base>() \
|
||
|
|
( \
|
||
|
|
const_cast \
|
||
|
|
< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::value_type & \
|
||
|
|
\
|
||
|
|
> ( this->base().front() ) \
|
||
|
|
); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::reference back() \
|
||
|
|
{ \
|
||
|
|
return this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME base_::value_from_base>() \
|
||
|
|
( \
|
||
|
|
const_cast \
|
||
|
|
< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::base_type::value_type & \
|
||
|
|
\
|
||
|
|
>( this->base().back() ) \
|
||
|
|
); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::const_reference front() const \
|
||
|
|
{ \
|
||
|
|
return this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::value_from_base>() \
|
||
|
|
( \
|
||
|
|
this->base().front() \
|
||
|
|
); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::const_reference back() const \
|
||
|
|
{ \
|
||
|
|
return this->template functor< \
|
||
|
|
BOOST_DEDUCED_TYPENAME BASE::value_from_base>() \
|
||
|
|
( \
|
||
|
|
this->base().back() \
|
||
|
|
); \
|
||
|
|
}
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
#endif // BOOST_BIMAP_DETAIL_MAP_VIEW_BASE_HPP
|