boost/bimap/detail/set_view_base.hpp
// 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/set_view_base.hpp
/// \brief Helper base for the construction of the bimap views types.
#ifndef BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP
#define BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP
#if defined(_MSC_VER) && (_MSC_VER>=1200)
#pragma once
#endif
#include <boost/config.hpp>
#include <boost/bimap/relation/member_at.hpp>
#include <boost/bimap/relation/support/data_extractor.hpp>
#include <boost/bimap/detail/modifier_adaptor.hpp>
#include <boost/bimap/detail/set_view_iterator.hpp>
#include <boost/bimap/relation/support/get_pair_functor.hpp>
#include <boost/bimap/relation/detail/to_mutable_relation_functor.hpp>
#include <boost/bimap/relation/mutant_relation.hpp>
namespace boost {
namespace bimaps {
namespace detail {
template< class Key, class Value, class KeyToBase >
class set_view_key_to_base
{
public:
const Key operator()( const Value & v ) const
{
return keyToBase( v );
}
private:
KeyToBase keyToBase;
};
template< class MutantRelationStorage, class KeyToBase >
class set_view_key_to_base<MutantRelationStorage,MutantRelationStorage,KeyToBase>
{
typedef BOOST_DEDUCED_TYPENAME MutantRelationStorage::non_mutable_storage non_mutable_storage;
public:
const MutantRelationStorage & operator()( const non_mutable_storage & k ) const
{
return ::boost::bimaps::relation::detail::mutate<MutantRelationStorage>(k);
}
const MutantRelationStorage & operator()( const MutantRelationStorage & k ) const
{
return k;
}
};
// The next macro can be converted in a metafunctor to gain code robustness.
/*===========================================================================*/
#define BOOST_BIMAP_SET_VIEW_CONTAINER_ADAPTOR( \
CONTAINER_ADAPTOR, CORE_INDEX, OTHER_ITER, CONST_OTHER_ITER \
) \
::boost::bimaps::container_adaptor::CONTAINER_ADAPTOR \
< \
CORE_INDEX, \
::boost::bimaps::detail:: \
set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator >, \
::boost::bimaps::detail:: \
const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator >, \
::boost::bimaps::detail:: \
set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::OTHER_ITER >, \
::boost::bimaps::detail:: \
const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::CONST_OTHER_ITER >, \
::boost::bimaps::container_adaptor::support::iterator_facade_to_base \
< \
::boost::bimaps::detail:: set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator>, \
::boost::bimaps::detail::const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator> \
\
>, \
::boost::mpl::na, \
::boost::mpl::na, \
::boost::bimaps::relation::detail:: \
get_mutable_relation_functor< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \
::boost::bimaps::relation::support:: \
get_above_view_functor< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \
::boost::bimaps::detail::set_view_key_to_base< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::key_type, \
BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type, \
BOOST_DEDUCED_TYPENAME CORE_INDEX::key_from_value \
> \
>
/*===========================================================================*/
/*===========================================================================*/
#define BOOST_BIMAP_SEQUENCED_SET_VIEW_CONTAINER_ADAPTOR( \
CONTAINER_ADAPTOR, CORE_INDEX, OTHER_ITER, CONST_OTHER_ITER \
) \
::boost::bimaps::container_adaptor::CONTAINER_ADAPTOR \
< \
CORE_INDEX, \
::boost::bimaps::detail:: \
set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator >, \
::boost::bimaps::detail:: \
const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator >, \
::boost::bimaps::detail:: \
set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::OTHER_ITER >, \
::boost::bimaps::detail:: \
const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::CONST_OTHER_ITER >, \
::boost::bimaps::container_adaptor::support::iterator_facade_to_base \
< \
::boost::bimaps::detail:: set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator>, \
::boost::bimaps::detail::const_set_view_iterator< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator> \
\
>, \
::boost::mpl::na, \
::boost::mpl::na, \
::boost::bimaps::relation::detail:: \
get_mutable_relation_functor< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \
::boost::bimaps::relation::support:: \
get_above_view_functor< \
BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type > \
>
/*===========================================================================*/
#if defined(BOOST_MSVC)
/*===========================================================================*/
#define BOOST_BIMAP_SET_VIEW_BASE_FRIEND(TYPE,INDEX_TYPE) \
typedef ::boost::bimaps::detail::set_view_base< \
TYPE< INDEX_TYPE >, INDEX_TYPE > template_class_friend; \
friend class template_class_friend;
/*===========================================================================*/
#else
/*===========================================================================*/
#define BOOST_BIMAP_SET_VIEW_BASE_FRIEND(TYPE,INDEX_TYPE) \
friend class ::boost::bimaps::detail::set_view_base< \
TYPE< INDEX_TYPE >, INDEX_TYPE >;
/*===========================================================================*/
#endif
/// \brief Common base for set views.
template< class Derived, class Index >
class set_view_base
{
typedef ::boost::bimaps::container_adaptor::support::
iterator_facade_to_base
<
::boost::bimaps::detail::
set_view_iterator<BOOST_DEDUCED_TYPENAME Index:: iterator>,
::boost::bimaps::detail::
const_set_view_iterator<BOOST_DEDUCED_TYPENAME Index::const_iterator>
> iterator_to_base_;
typedef BOOST_DEDUCED_TYPENAME Index::value_type::left_value_type left_type_;
typedef BOOST_DEDUCED_TYPENAME Index::value_type::right_value_type right_type_;
typedef BOOST_DEDUCED_TYPENAME Index::value_type value_type_;
typedef ::boost::bimaps::detail::
set_view_iterator<BOOST_DEDUCED_TYPENAME Index::iterator> iterator_;
public:
bool replace(iterator_ position,
const value_type_ & x)
{
return derived().base().replace(
derived().template functor<iterator_to_base_>()(position),x
);
}
template< class CompatibleLeftType >
bool replace_left(iterator_ position,
const CompatibleLeftType & l)
{
return derived().base().replace(
derived().template functor<iterator_to_base_>()(position),
value_type_(l,position->right)
);
}
template< class CompatibleRightType >
bool replace_right(iterator_ position,
const CompatibleRightType & r)
{
return derived().base().replace(
derived().template functor<iterator_to_base_>()(position),
value_type_(position->left,r)
);
}
/* This function may be provided in the future
template< class Modifier >
bool modify(iterator_ position,
Modifier mod)
{
return derived().base().modify(
derived().template functor<iterator_to_base_>()(position),
::boost::bimaps::detail::relation_modifier_adaptor
<
Modifier,
BOOST_DEDUCED_TYPENAME Index::value_type,
BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
data_extractor
<
::boost::bimaps::relation::member_at::left,
BOOST_DEDUCED_TYPENAME Index::value_type
>::type,
BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
data_extractor
<
::boost::bimaps::relation::member_at::right,
BOOST_DEDUCED_TYPENAME Index::value_type
>::type
>(mod)
);
}
*/
/*
template< class Modifier >
bool modify_left(iterator_ position, Modifier mod)
{
typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
data_extractor
<
BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::member_at::right,
BOOST_DEDUCED_TYPENAME Index::value_type
>::type left_data_extractor_;
return derived().base().modify(
derived().template functor<iterator_to_base_>()(position),
// this may be replaced later by
// ::boost::bind( mod, ::boost::bind(data_extractor_(),_1) )
::boost::bimaps::detail::unary_modifier_adaptor
<
Modifier,
BOOST_DEDUCED_TYPENAME Index::value_type,
left_data_extractor_
>(mod)
);
}
template< class Modifier >
bool modify_right(iterator_ position, Modifier mod)
{
typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support::
data_extractor
<
BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::member_at::right,
BOOST_DEDUCED_TYPENAME Index::value_type
>::type right_data_extractor_;
return derived().base().modify(
derived().template functor<iterator_to_base_>()(position),
// this may be replaced later by
// ::boost::bind( mod, ::boost::bind(data_extractor_(),_1) )
::boost::bimaps::detail::unary_modifier_adaptor
<
Modifier,
BOOST_DEDUCED_TYPENAME Index::value_type,
right_data_extractor_
>(mod)
);
}
*/
protected:
typedef set_view_base set_view_base_;
private:
// Curiously Recurring Template interface.
Derived& derived()
{
return *static_cast<Derived*>(this);
}
Derived const& derived() const
{
return *static_cast<Derived const*>(this);
}
};
} // namespace detail
} // namespace bimaps
} // namespace boost
#endif // BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP