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ext-boost/boost/icl/map.hpp
Hamish Milne 1acb9699ac Update boost to 1.70.0; add serialization
2019-08-06 15:54:37 +01:00

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