704 lines
26 KiB
C++
704 lines
26 KiB
C++
/*-----------------------------------------------------------------------------+
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Copyright (c) 2007-2011: Joachim Faulhaber
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+------------------------------------------------------------------------------+
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENCE.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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+-----------------------------------------------------------------------------*/
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#ifndef BOOST_ICL_MAP_HPP_JOFA_070519
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#define BOOST_ICL_MAP_HPP_JOFA_070519
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#include <boost/icl/impl_config.hpp>
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#if defined(ICL_USE_BOOST_MOVE_IMPLEMENTATION)
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# include <boost/container/map.hpp>
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# include <boost/container/set.hpp>
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#elif defined(ICL_USE_STD_IMPLEMENTATION)
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# include <map>
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# include <set>
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#else // Default for implementing containers
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# include <map>
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# include <set>
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#endif
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#include <string>
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#include <boost/call_traits.hpp>
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#include <boost/icl/detail/notate.hpp>
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#include <boost/icl/detail/design_config.hpp>
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#include <boost/icl/detail/concept_check.hpp>
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#include <boost/icl/detail/on_absorbtion.hpp>
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#include <boost/icl/type_traits/is_map.hpp>
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#include <boost/icl/type_traits/absorbs_identities.hpp>
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#include <boost/icl/type_traits/is_total.hpp>
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#include <boost/icl/type_traits/is_element_container.hpp>
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#include <boost/icl/type_traits/has_inverse.hpp>
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#include <boost/icl/type_traits/to_string.hpp>
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#include <boost/icl/associative_element_container.hpp>
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#include <boost/icl/functors.hpp>
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namespace boost{namespace icl
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{
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struct partial_absorber
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{
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enum { absorbs_identities = true };
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enum { is_total = false };
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};
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template<>
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inline std::string type_to_string<partial_absorber>::apply() { return "@0"; }
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struct partial_enricher
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{
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enum { absorbs_identities = false };
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enum { is_total = false };
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};
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template<>
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inline std::string type_to_string<partial_enricher>::apply() { return "e0"; }
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struct total_absorber
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{
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enum { absorbs_identities = true };
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enum { is_total = true };
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};
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template<>
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inline std::string type_to_string<total_absorber>::apply() { return "^0"; }
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struct total_enricher
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{
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enum { absorbs_identities = false };
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enum { is_total = true };
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};
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template<>
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inline std::string type_to_string<total_enricher>::apply() { return "e^0"; }
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/** \brief Addable, subractable and intersectable maps */
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template
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<
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typename DomainT,
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typename CodomainT,
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class Traits = icl::partial_absorber,
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ICL_COMPARE Compare = ICL_COMPARE_INSTANCE(ICL_COMPARE_DEFAULT, DomainT),
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ICL_COMBINE Combine = ICL_COMBINE_INSTANCE(icl::inplace_plus, CodomainT),
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ICL_SECTION Section = ICL_SECTION_INSTANCE(icl::inter_section, CodomainT),
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ICL_ALLOC Alloc = std::allocator
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>
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class map: private ICL_IMPL_SPACE::map<DomainT, CodomainT, ICL_COMPARE_DOMAIN(Compare,DomainT),
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Alloc<std::pair<const DomainT, CodomainT> > >
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{
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public:
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typedef Alloc<typename std::pair<const DomainT, CodomainT> > allocator_type;
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typedef typename icl::map<DomainT,CodomainT,Traits, Compare,Combine,Section,Alloc> type;
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typedef typename ICL_IMPL_SPACE::map<DomainT, CodomainT, ICL_COMPARE_DOMAIN(Compare,DomainT),
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allocator_type> base_type;
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typedef Traits traits;
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public:
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typedef DomainT domain_type;
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typedef typename boost::call_traits<DomainT>::param_type domain_param;
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typedef DomainT key_type;
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typedef CodomainT codomain_type;
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typedef CodomainT mapped_type;
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typedef CodomainT data_type;
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typedef std::pair<const DomainT, CodomainT> element_type;
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typedef std::pair<const DomainT, CodomainT> value_type;
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typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
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typedef ICL_COMBINE_CODOMAIN(Combine,CodomainT) codomain_combine;
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typedef domain_compare key_compare;
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typedef ICL_COMPARE_DOMAIN(Compare,element_type) element_compare;
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typedef typename inverse<codomain_combine >::type inverse_codomain_combine;
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typedef typename mpl::if_
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<has_set_semantics<codomain_type>
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, ICL_SECTION_CODOMAIN(Section,CodomainT)
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, codomain_combine
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>::type codomain_intersect;
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typedef typename inverse<codomain_intersect>::type inverse_codomain_intersect;
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typedef typename base_type::value_compare value_compare;
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typedef typename ICL_IMPL_SPACE::set<DomainT, domain_compare, Alloc<DomainT> > set_type;
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typedef set_type key_object_type;
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BOOST_STATIC_CONSTANT(bool, _total = (Traits::is_total));
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BOOST_STATIC_CONSTANT(bool, _absorbs = (Traits::absorbs_identities));
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BOOST_STATIC_CONSTANT(bool,
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total_invertible = (mpl::and_<is_total<type>, has_inverse<codomain_type> >::value));
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typedef on_absorbtion<type,codomain_combine,Traits::absorbs_identities>
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on_identity_absorbtion;
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public:
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typedef typename base_type::pointer pointer;
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typedef typename base_type::const_pointer const_pointer;
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typedef typename base_type::reference reference;
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typedef typename base_type::const_reference const_reference;
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typedef typename base_type::iterator iterator;
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typedef typename base_type::const_iterator const_iterator;
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typedef typename base_type::size_type size_type;
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typedef typename base_type::difference_type difference_type;
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typedef typename base_type::reverse_iterator reverse_iterator;
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typedef typename base_type::const_reverse_iterator const_reverse_iterator;
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public:
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BOOST_STATIC_CONSTANT(bool,
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is_total_invertible = ( Traits::is_total
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&& has_inverse<codomain_type>::value));
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BOOST_STATIC_CONSTANT(int, fineness = 4);
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public:
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//==========================================================================
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//= Construct, copy, destruct
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//==========================================================================
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map()
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{
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<CodomainT>));
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BOOST_CONCEPT_ASSERT((EqualComparableConcept<CodomainT>));
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}
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map(const key_compare& comp): base_type(comp){}
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template <class InputIterator>
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map(InputIterator first, InputIterator past)
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: base_type(first,past){}
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template <class InputIterator>
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map(InputIterator first, InputIterator past, const key_compare& comp)
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: base_type(first,past,comp)
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{}
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map(const map& src)
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: base_type(src)
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{
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<CodomainT>));
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BOOST_CONCEPT_ASSERT((EqualComparableConcept<CodomainT>));
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}
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explicit map(const element_type& key_value_pair): base_type::map()
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{
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insert(key_value_pair);
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}
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# ifndef BOOST_ICL_NO_CXX11_RVALUE_REFERENCES
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//==========================================================================
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//= Move semantics
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//==========================================================================
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map(map&& src)
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: base_type(boost::move(src))
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{
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
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BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<CodomainT>));
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BOOST_CONCEPT_ASSERT((EqualComparableConcept<CodomainT>));
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}
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map& operator = (map src)
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{
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base_type::operator=(boost::move(src));
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return *this;
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}
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//==========================================================================
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# else
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map& operator = (const map& src)
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{
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base_type::operator=(src);
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return *this;
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}
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# endif // BOOST_ICL_NO_CXX11_RVALUE_REFERENCES
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void swap(map& src) { base_type::swap(src); }
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//==========================================================================
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using base_type::empty;
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using base_type::clear;
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using base_type::begin;
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using base_type::end;
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using base_type::rbegin;
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using base_type::rend;
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using base_type::size;
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using base_type::max_size;
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using base_type::key_comp;
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using base_type::value_comp;
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using base_type::erase;
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using base_type::find;
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using base_type::count;
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using base_type::lower_bound;
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using base_type::upper_bound;
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using base_type::equal_range;
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using base_type::operator[];
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public:
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//==========================================================================
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//= Containedness
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//==========================================================================
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template<class SubObject>
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bool contains(const SubObject& sub)const
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{ return icl::contains(*this, sub); }
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bool within(const map& super)const
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{ return icl::contains(super, *this); }
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//==========================================================================
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//= Size
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//==========================================================================
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/** \c iterative_size() yields the number of elements that is visited
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throu complete iteration. For interval sets \c iterative_size() is
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different from \c size(). */
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std::size_t iterative_size()const { return base_type::size(); }
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//==========================================================================
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//= Selection
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//==========================================================================
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/** Total select function. */
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codomain_type operator()(const domain_type& key)const
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{
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const_iterator it = find(key);
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return it==end() ? identity_element<codomain_type>::value()
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: it->second;
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}
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//==========================================================================
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//= Addition
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//==========================================================================
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/** \c add inserts \c value_pair into the map if it's key does
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not exist in the map.
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If \c value_pairs's key value exists in the map, it's data
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value is added to the data value already found in the map. */
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map& add(const value_type& value_pair)
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{
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return _add<codomain_combine>(value_pair);
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}
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/** \c add add \c value_pair into the map using \c prior as a hint to
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insert \c value_pair after the position \c prior is pointing to. */
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iterator add(iterator prior, const value_type& value_pair)
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{
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return _add<codomain_combine>(prior, value_pair);
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}
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//==========================================================================
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//= Subtraction
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//==========================================================================
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/** If the \c value_pair's key value is in the map, it's data value is
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subtraced from the data value stored in the map. */
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map& subtract(const element_type& value_pair)
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{
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on_invertible<type, is_total_invertible>
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::subtract(*this, value_pair);
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return *this;
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}
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map& subtract(const domain_type& key)
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{
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icl::erase(*this, key);
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return *this;
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}
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//==========================================================================
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//= Insertion, erasure
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//==========================================================================
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std::pair<iterator,bool> insert(const value_type& value_pair)
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{
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if(on_identity_absorbtion::is_absorbable(value_pair.second))
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return std::pair<iterator,bool>(end(),true);
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else
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return base_type::insert(value_pair);
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}
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iterator insert(iterator prior, const value_type& value_pair)
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{
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if(on_identity_absorbtion::is_absorbable(value_pair.second))
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return end();
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else
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return base_type::insert(prior, value_pair);
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}
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template<class Iterator>
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iterator insert(Iterator first, Iterator last)
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{
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iterator prior = end(), it = first;
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while(it != last)
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prior = this->insert(prior, *it++);
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}
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/** With <tt>key_value_pair = (k,v)</tt> set value \c v for key \c k */
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map& set(const element_type& key_value_pair)
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{
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return icl::set_at(*this, key_value_pair);
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}
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/** erase \c key_value_pair from the map.
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Erase only if, the exact value content \c val is stored for the given key. */
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size_type erase(const element_type& key_value_pair)
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{
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return icl::erase(*this, key_value_pair);
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}
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//==========================================================================
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//= Intersection
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//==========================================================================
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/** The intersection of \c key_value_pair and \c *this map is added to \c section. */
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void add_intersection(map& section, const element_type& key_value_pair)const
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{
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on_definedness<type, Traits::is_total>
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::add_intersection(section, *this, key_value_pair);
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}
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//==========================================================================
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//= Symmetric difference
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//==========================================================================
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map& flip(const element_type& operand)
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{
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on_total_absorbable<type,_total,_absorbs>::flip(*this, operand);
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return *this;
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}
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private:
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template<class Combiner>
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map& _add(const element_type& value_pair);
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template<class Combiner>
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iterator _add(iterator prior, const element_type& value_pair);
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template<class Combiner>
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map& _subtract(const element_type& value_pair);
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template<class FragmentT>
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void total_add_intersection(type& section, const FragmentT& fragment)const
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{
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section += *this;
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section.add(fragment);
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}
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void partial_add_intersection(type& section, const element_type& operand)const
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{
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const_iterator it_ = find(operand.first);
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if(it_ != end())
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{
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section.template _add<codomain_combine >(*it_);
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section.template _add<codomain_intersect>(operand);
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}
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}
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private:
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//--------------------------------------------------------------------------
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template<class Type, bool is_total_invertible>
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struct on_invertible;
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template<class Type>
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struct on_invertible<Type, true>
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{
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typedef typename Type::element_type element_type;
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typedef typename Type::inverse_codomain_combine inverse_codomain_combine;
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static void subtract(Type& object, const element_type& operand)
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{ object.template _add<inverse_codomain_combine>(operand); }
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};
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template<class Type>
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struct on_invertible<Type, false>
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{
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typedef typename Type::element_type element_type;
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typedef typename Type::inverse_codomain_combine inverse_codomain_combine;
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static void subtract(Type& object, const element_type& operand)
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{ object.template _subtract<inverse_codomain_combine>(operand); }
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};
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friend struct on_invertible<type, true>;
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friend struct on_invertible<type, false>;
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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template<class Type, bool is_total>
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struct on_definedness;
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template<class Type>
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struct on_definedness<Type, true>
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{
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static void add_intersection(Type& section, const Type& object,
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const element_type& operand)
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{ object.total_add_intersection(section, operand); }
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};
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template<class Type>
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struct on_definedness<Type, false>
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{
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static void add_intersection(Type& section, const Type& object,
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const element_type& operand)
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{ object.partial_add_intersection(section, operand); }
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};
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friend struct on_definedness<type, true>;
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friend struct on_definedness<type, false>;
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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template<class Type, bool has_set_semantics, bool absorbs_identities>
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struct on_codomain_model;
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template<class Type>
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struct on_codomain_model<Type, false, false>
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{ // !codomain_is_set, !absorbs_identities
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static void subtract(Type&, typename Type::iterator it_,
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const typename Type::codomain_type& )
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{ (*it_).second = identity_element<typename Type::codomain_type>::value(); }
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};
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template<class Type>
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struct on_codomain_model<Type, false, true>
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{ // !codomain_is_set, absorbs_identities
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static void subtract(Type& object, typename Type::iterator it_,
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const typename Type::codomain_type& )
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{ object.erase(it_); }
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};
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template<class Type>
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struct on_codomain_model<Type, true, false>
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{ // !codomain_is_set, !absorbs_identities
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typedef typename Type::inverse_codomain_intersect inverse_codomain_intersect;
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static void subtract(Type&, typename Type::iterator it_,
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const typename Type::codomain_type& co_value)
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{
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inverse_codomain_intersect()((*it_).second, co_value);
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}
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};
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template<class Type>
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struct on_codomain_model<Type, true, true>
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{ // !codomain_is_set, absorbs_identities
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typedef typename Type::inverse_codomain_intersect inverse_codomain_intersect;
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static void subtract(Type& object, typename Type::iterator it_,
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const typename Type::codomain_type& co_value)
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{
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inverse_codomain_intersect()((*it_).second, co_value);
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if((*it_).second == identity_element<codomain_type>::value())
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object.erase(it_);
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}
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};
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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template<class Type, bool is_total, bool absorbs_identities>
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struct on_total_absorbable;
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template<class Type>
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struct on_total_absorbable<Type, true, true>
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{
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typedef typename Type::element_type element_type;
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static void flip(Type& object, const typename Type::element_type&)
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{ icl::clear(object); }
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};
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template<class Type>
|
|
struct on_total_absorbable<Type, true, false>
|
|
{
|
|
typedef typename Type::element_type element_type;
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|
typedef typename Type::codomain_type codomain_type;
|
|
|
|
static void flip(Type& object, const element_type& operand)
|
|
{
|
|
object.add(operand);
|
|
ICL_FORALL(typename Type, it_, object)
|
|
(*it_).second = identity_element<codomain_type>::value();
|
|
}
|
|
};
|
|
|
|
template<class Type>
|
|
struct on_total_absorbable<Type, false, true>
|
|
{ // !is_total, absorbs_identities
|
|
typedef typename Type::element_type element_type;
|
|
typedef typename Type::codomain_type codomain_type;
|
|
typedef typename Type::iterator iterator;
|
|
typedef typename Type::inverse_codomain_intersect inverse_codomain_intersect;
|
|
|
|
static void flip(Type& object, const element_type& operand)
|
|
{
|
|
std::pair<iterator,bool> insertion = object.insert(operand);
|
|
if(!insertion.second)
|
|
on_codomain_model<Type, has_set_semantics<codomain_type>::value, true>
|
|
::subtract(object, insertion.first, operand.second);
|
|
}
|
|
};
|
|
|
|
template<class Type>
|
|
struct on_total_absorbable<Type, false, false>
|
|
{ // !is_total !absorbs_identities
|
|
typedef typename Type::element_type element_type;
|
|
typedef typename Type::codomain_type codomain_type;
|
|
typedef typename Type::iterator iterator;
|
|
typedef typename Type::inverse_codomain_intersect inverse_codomain_intersect;
|
|
|
|
static void flip(Type& object, const element_type& operand)
|
|
{
|
|
std::pair<iterator,bool> insertion = object.insert(operand);
|
|
if(!insertion.second)
|
|
on_codomain_model<Type, has_set_semantics<codomain_type>::value, false>
|
|
::subtract(object, insertion.first, operand.second);
|
|
}
|
|
};
|
|
|
|
friend struct on_total_absorbable<type, true, true >;
|
|
friend struct on_total_absorbable<type, false, true >;
|
|
friend struct on_total_absorbable<type, true, false>;
|
|
friend struct on_total_absorbable<type, false, false>;
|
|
//--------------------------------------------------------------------------
|
|
};
|
|
|
|
|
|
|
|
//==============================================================================
|
|
//= Addition<ElementMap>
|
|
//==============================================================================
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
template <class Combiner>
|
|
map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>&
|
|
map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>
|
|
::_add(const element_type& addend)
|
|
{
|
|
typedef typename on_absorbtion
|
|
<type,Combiner,absorbs_identities<type>::value>::type on_absorbtion_;
|
|
|
|
const codomain_type& co_val = addend.second;
|
|
if(on_absorbtion_::is_absorbable(co_val))
|
|
return *this;
|
|
|
|
std::pair<iterator,bool> insertion
|
|
= base_type::insert(value_type(addend.first, version<Combiner>()(co_val)));
|
|
|
|
if(!insertion.second)
|
|
{
|
|
iterator it = insertion.first;
|
|
Combiner()((*it).second, co_val);
|
|
|
|
if(on_absorbtion_::is_absorbable((*it).second))
|
|
erase(it);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
template <class Combiner>
|
|
typename map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>::iterator
|
|
map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>
|
|
::_add(iterator prior_, const value_type& addend)
|
|
{
|
|
typedef typename on_absorbtion
|
|
<type,Combiner,absorbs_identities<type>::value>::type on_absorbtion_;
|
|
|
|
const codomain_type& co_val = addend.second;
|
|
if(on_absorbtion_::is_absorbable(co_val))
|
|
return end();
|
|
|
|
iterator inserted_
|
|
= base_type::insert(prior_,
|
|
value_type(addend.first, Combiner::identity_element()));
|
|
Combiner()((*inserted_).second, addend.second);
|
|
|
|
if(on_absorbtion_::is_absorbable((*inserted_).second))
|
|
{
|
|
erase(inserted_);
|
|
return end();
|
|
}
|
|
else
|
|
return inserted_;
|
|
}
|
|
|
|
|
|
//==============================================================================
|
|
//= Subtraction<ElementMap>
|
|
//==============================================================================
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
template <class Combiner>
|
|
map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>&
|
|
map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc>::_subtract(const value_type& minuend)
|
|
{
|
|
typedef typename on_absorbtion
|
|
<type,Combiner,absorbs_identities<type>::value>::type on_absorbtion_;
|
|
|
|
iterator it_ = find(minuend.first);
|
|
if(it_ != end())
|
|
{
|
|
Combiner()((*it_).second, minuend.second);
|
|
if(on_absorbtion_::is_absorbable((*it_).second))
|
|
erase(it_);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// type traits
|
|
//-----------------------------------------------------------------------------
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
struct is_map<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> >
|
|
{
|
|
typedef is_map<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> > type;
|
|
BOOST_STATIC_CONSTANT(bool, value = true);
|
|
};
|
|
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
struct has_inverse<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> >
|
|
{
|
|
typedef has_inverse<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> > type;
|
|
BOOST_STATIC_CONSTANT(bool, value = (has_inverse<CodomainT>::value));
|
|
};
|
|
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
struct absorbs_identities<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> >
|
|
{
|
|
typedef absorbs_identities type;
|
|
BOOST_STATIC_CONSTANT(int, value = Traits::absorbs_identities);
|
|
};
|
|
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
struct is_total<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> >
|
|
{
|
|
typedef is_total type;
|
|
BOOST_STATIC_CONSTANT(int, value = Traits::is_total);
|
|
};
|
|
|
|
template <class DomainT, class CodomainT, class Traits, ICL_COMPARE Compare, ICL_COMBINE Combine, ICL_SECTION Section, ICL_ALLOC Alloc>
|
|
struct type_to_string<icl::map<DomainT,CodomainT,Traits,Compare,Combine,Section,Alloc> >
|
|
{
|
|
static std::string apply()
|
|
{
|
|
return "map<"+ type_to_string<DomainT>::apply() + ","
|
|
+ type_to_string<CodomainT>::apply() + ","
|
|
+ type_to_string<Traits>::apply() +">";
|
|
}
|
|
};
|
|
|
|
|
|
|
|
}} // namespace icl boost
|
|
|
|
#endif // BOOST_ICL_MAP_HPP_JOFA_070519
|
|
|