134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
// 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 container_adaptor/unordered_map_adaptor.hpp
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/// \brief Container adaptor to easily build a std::unordered_map signature compatible container.
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#ifndef BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP
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#define BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP
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#if defined(_MSC_VER) && (_MSC_VER>=1200)
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#pragma once
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#endif
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#include <boost/config.hpp>
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#include <boost/bimap/container_adaptor/unordered_associative_container_adaptor.hpp>
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#include <boost/mpl/aux_/na.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/call_traits.hpp>
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namespace boost {
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namespace bimaps {
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namespace container_adaptor {
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/// \brief Container adaptor to easily build a std::unordered_map signature compatible container.
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template
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<
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class Base,
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class Iterator,
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class ConstIterator,
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class LocalIterator,
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class ConstLocalIterator,
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class IteratorToBaseConverter = ::boost::mpl::na,
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class IteratorFromBaseConverter = ::boost::mpl::na,
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class LocalIteratorFromBaseConverter = ::boost::mpl::na,
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class ValueToBaseConverter = ::boost::mpl::na,
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class ValueFromBaseConverter = ::boost::mpl::na,
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class KeyToBaseConverter = ::boost::mpl::na,
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class FunctorsFromDerivedClasses = mpl::vector<>
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>
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class unordered_map_adaptor :
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public ::boost::bimaps::container_adaptor::
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unordered_associative_container_adaptor
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<
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Base,
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Iterator, ConstIterator, LocalIterator, ConstLocalIterator,
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BOOST_DEDUCED_TYPENAME Iterator::value_type::first_type,
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IteratorToBaseConverter, IteratorFromBaseConverter,
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LocalIteratorFromBaseConverter,
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ValueToBaseConverter, ValueFromBaseConverter,
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KeyToBaseConverter,
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FunctorsFromDerivedClasses
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>
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{
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typedef ::boost::bimaps::container_adaptor::
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unordered_associative_container_adaptor
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<
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Base,
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Iterator, ConstIterator, LocalIterator, ConstLocalIterator,
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BOOST_DEDUCED_TYPENAME Iterator::value_type::first_type,
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IteratorToBaseConverter, IteratorFromBaseConverter,
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LocalIteratorFromBaseConverter,
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ValueToBaseConverter, ValueFromBaseConverter,
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KeyToBaseConverter,
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FunctorsFromDerivedClasses
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> base_;
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// MetaData -------------------------------------------------------------
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public:
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typedef BOOST_DEDUCED_TYPENAME Iterator::value_type::second_type data_type;
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typedef data_type mapped_type;
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// Access -----------------------------------------------------------------
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public:
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explicit unordered_map_adaptor(Base & c) :
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base_(c) {}
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protected:
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typedef unordered_map_adaptor unordered_map_adaptor_;
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// Interface --------------------------------------------------------------
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public:
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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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return this->base()
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[this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k)];
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}
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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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return this->base().
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at(this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k));
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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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return this->base().
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at(this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k));
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}
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};
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} // namespace container_adaptor
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} // namespace bimaps
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} // namespace boost
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#endif // BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP
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