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Initial commit (I really need to remove Boost)

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third_party/boost/boost/icl/interval_base_set.hpp vendored Normal file
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/*-----------------------------------------------------------------------------+
Copyright (c) 2007-2011: Joachim Faulhaber
Copyright (c) 1999-2006: Cortex Software GmbH, Kantstrasse 57, Berlin
+------------------------------------------------------------------------------+
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_INTERVAL_BASE_SET_H_JOFA_990223
#define BOOST_ICL_INTERVAL_BASE_SET_H_JOFA_990223
#include <boost/icl/impl_config.hpp>
#if defined(ICL_USE_BOOST_MOVE_IMPLEMENTATION)
# include <boost/container/set.hpp>
#elif defined(ICL_USE_STD_IMPLEMENTATION)
# include <set>
#else // Default for implementing containers
# include <set>
#endif
#include <limits>
#include <boost/next_prior.hpp>
#include <boost/icl/associative_interval_container.hpp>
#include <boost/icl/type_traits/interval_type_default.hpp>
#include <boost/icl/interval.hpp>
#include <boost/icl/type_traits/infinity.hpp>
#include <boost/icl/type_traits/is_interval_joiner.hpp>
#include <boost/icl/type_traits/is_interval_separator.hpp>
#include <boost/icl/type_traits/is_interval_splitter.hpp>
#include <boost/icl/detail/interval_set_algo.hpp>
#include <boost/icl/detail/exclusive_less_than.hpp>
#include <boost/icl/right_open_interval.hpp>
#include <boost/icl/continuous_interval.hpp>
#include <boost/icl/detail/notate.hpp>
#include <boost/icl/detail/element_iterator.hpp>
namespace boost{namespace icl
{
/** \brief Implements a set as a set of intervals (base class) */
template
<
typename SubType,
typename DomainT,
ICL_COMPARE Compare = ICL_COMPARE_INSTANCE(ICL_COMPARE_DEFAULT, DomainT),
ICL_INTERVAL(ICL_COMPARE) Interval = ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, DomainT, Compare),
ICL_ALLOC Alloc = std::allocator
>
class interval_base_set
{
public:
//==========================================================================
//= Associated types
//==========================================================================
typedef interval_base_set<SubType,DomainT,Compare,Interval,Alloc> type;
/// The designated \e derived or \e sub_type of this base class
typedef SubType sub_type;
/// Auxilliary type for overloadresolution
typedef type overloadable_type;
//--------------------------------------------------------------------------
//- Associated types: Data
//--------------------------------------------------------------------------
/// The domain type of the set
typedef DomainT domain_type;
/// The codomaintype is the same as domain_type
typedef DomainT codomain_type;
/// The element type of the set
typedef DomainT element_type;
/// The interval type of the set
typedef ICL_INTERVAL_TYPE(Interval,DomainT,Compare) interval_type;
/// The segment type of the set
typedef interval_type segment_type;
//--------------------------------------------------------------------------
//- Associated types: Size
//--------------------------------------------------------------------------
/// The difference type of an interval which is sometimes different form the data_type
typedef typename difference_type_of<domain_type>::type difference_type;
/// The size type of an interval which is mostly std::size_t
typedef typename size_type_of<domain_type>::type size_type;
//--------------------------------------------------------------------------
//- Associated types: Order
//--------------------------------------------------------------------------
/// Comparison functor for domain values
typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
typedef ICL_COMPARE_DOMAIN(Compare,segment_type) segment_compare;
/// Comparison functor for intervals
typedef exclusive_less_than<interval_type> interval_compare;
/// Comparison functor for keys
typedef exclusive_less_than<interval_type> key_compare;
//--------------------------------------------------------------------------
//- Associated types: Related types
//--------------------------------------------------------------------------
/// The atomized type representing the corresponding container of elements
typedef typename ICL_IMPL_SPACE::set<DomainT,domain_compare,Alloc<DomainT> > atomized_type;
//--------------------------------------------------------------------------
//- Associated types: Implementation and stl related
//--------------------------------------------------------------------------
/// The allocator type of the set
typedef Alloc<interval_type> allocator_type;
/// allocator type of the corresponding element set
typedef Alloc<DomainT> domain_allocator_type;
/// Container type for the implementation
typedef typename ICL_IMPL_SPACE::set<interval_type,key_compare,allocator_type> ImplSetT;
/// key type of the implementing container
typedef typename ImplSetT::key_type key_type;
/// data type of the implementing container
typedef typename ImplSetT::key_type data_type;
/// value type of the implementing container
typedef typename ImplSetT::value_type value_type;
/// pointer type
typedef typename ImplSetT::pointer pointer;
/// const pointer type
typedef typename ImplSetT::const_pointer const_pointer;
/// reference type
typedef typename ImplSetT::reference reference;
/// const reference type
typedef typename ImplSetT::const_reference const_reference;
/// iterator for iteration over intervals
typedef typename ImplSetT::iterator iterator;
/// const_iterator for iteration over intervals
typedef typename ImplSetT::const_iterator const_iterator;
/// iterator for reverse iteration over intervals
typedef typename ImplSetT::reverse_iterator reverse_iterator;
/// const_iterator for iteration over intervals
typedef typename ImplSetT::const_reverse_iterator const_reverse_iterator;
/// element iterator: Depreciated, see documentation.
typedef boost::icl::element_iterator<iterator> element_iterator;
/// element const iterator: Depreciated, see documentation.
typedef boost::icl::element_iterator<const_iterator> element_const_iterator;
/// element reverse iterator: Depreciated, see documentation.
typedef boost::icl::element_iterator<reverse_iterator> element_reverse_iterator;
/// element const reverse iterator: Depreciated, see documentation.
typedef boost::icl::element_iterator<const_reverse_iterator> element_const_reverse_iterator;
BOOST_STATIC_CONSTANT(int, fineness = 0);
public:
//==========================================================================
//= Construct, copy, destruct
//==========================================================================
/** Default constructor for the empty object */
interval_base_set(){}
/** Copy constructor */
interval_base_set(const interval_base_set& src): _set(src._set)
{
BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
}
# ifndef BOOST_ICL_NO_CXX11_RVALUE_REFERENCES
//==========================================================================
//= Move semantics
//==========================================================================
/** Move constructor */
interval_base_set(interval_base_set&& src): _set(boost::move(src._set))
{
BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
}
/** Move assignment operator */
interval_base_set& operator = (interval_base_set src)
{ //call by value sice 'src' is a "sink value"
this->_set = boost::move(src._set);
return *this;
}
//==========================================================================
# else
/** Copy assignment operator */
interval_base_set& operator = (const interval_base_set& src)
{
this->_set = src._set;
return *this;
}
# endif // BOOST_ICL_NO_CXX11_RVALUE_REFERENCES
/** swap the content of containers */
void swap(interval_base_set& operand) { _set.swap(operand._set); }
//==========================================================================
//= Containedness
//==========================================================================
/** sets the container empty */
void clear() { icl::clear(*that()); }
/** is the container empty? */
bool empty()const { return icl::is_empty(*that()); }
//==========================================================================
//= Size
//==========================================================================
/** An interval set's size is it's cardinality */
size_type size()const
{
return icl::cardinality(*that());
}
/** Size of the iteration over this container */
std::size_t iterative_size()const
{
return _set.size();
}
//==========================================================================
//= Selection
//==========================================================================
/** Find the interval, that contains element \c key_value */
const_iterator find(const element_type& key_value)const
{
return icl::find(*this, key_value);
//CL return this->_set.find(icl::singleton<segment_type>(key));
}
/** Find the first interval, that collides with interval \c key_interval */
const_iterator find(const interval_type& key_interval)const
{
return this->_set.find(key_interval);
}
//==========================================================================
//= Addition
//==========================================================================
/** Add a single element \c key to the set */
SubType& add(const element_type& key)
{
return icl::add(*that(), key);
}
/** Add an interval of elements \c inter_val to the set */
SubType& add(const segment_type& inter_val)
{
_add(inter_val);
return *that();
}
/** Add an interval of elements \c inter_val to the set. Iterator
\c prior_ is a hint to the position \c inter_val can be
inserted after. */
iterator add(iterator prior_, const segment_type& inter_val)
{
return _add(prior_, inter_val);
}
//==========================================================================
//= Subtraction
//==========================================================================
/** Subtract a single element \c key from the set */
SubType& subtract(const element_type& key)
{
return icl::subtract(*that(), key);
}
/** Subtract an interval of elements \c inter_val from the set */
SubType& subtract(const segment_type& inter_val);
//==========================================================================
//= Insertion
//==========================================================================
/** Insert an element \c key into the set */
SubType& insert(const element_type& key)
{
return add(key);
}
/** Insert an interval of elements \c inter_val to the set */
SubType& insert(const segment_type& inter_val)
{
return add(inter_val);
}
/** Insert an interval of elements \c inter_val to the set. Iterator
\c prior_ is a hint to the position \c inter_val can be
inserted after. */
iterator insert(iterator prior_, const segment_type& inter_val)
{
return add(prior_, inter_val);
}
//==========================================================================
//= Erasure
//==========================================================================
/** Erase an element \c key from the set */
SubType& erase(const element_type& key)
{
return subtract(key);
}
/** Erase an interval of elements \c inter_val from the set */
SubType& erase(const segment_type& inter_val)
{
return subtract(inter_val);
}
/** Erase the interval that iterator \c position points to. */
void erase(iterator position)
{
_set.erase(position);
}
/** Erase all intervals in the range <tt>[first,past)</tt> of iterators. */
void erase(iterator first, iterator past)
{
_set.erase(first, past);
}
//==========================================================================
//= Symmetric difference
//==========================================================================
/** If \c *this set contains \c key it is erased, otherwise it is added. */
SubType& flip(const element_type& key)
{
return icl::flip(*that(), key);
}
/** If \c *this set contains \c inter_val it is erased, otherwise it is added. */
SubType& flip(const segment_type& inter_val)
{
return icl::flip(*that(), inter_val);
}
//==========================================================================
//= Iterator related
//==========================================================================
iterator begin() { return _set.begin(); }
iterator end() { return _set.end(); }
const_iterator begin()const { return _set.begin(); }
const_iterator end()const { return _set.end(); }
reverse_iterator rbegin() { return _set.rbegin(); }
reverse_iterator rend() { return _set.rend(); }
const_reverse_iterator rbegin()const { return _set.rbegin(); }
const_reverse_iterator rend()const { return _set.rend(); }
iterator lower_bound(const value_type& interval)
{ return _set.lower_bound(interval); }
iterator upper_bound(const value_type& interval)
{ return _set.upper_bound(interval); }
const_iterator lower_bound(const value_type& interval)const
{ return _set.lower_bound(interval); }
const_iterator upper_bound(const value_type& interval)const
{ return _set.upper_bound(interval); }
std::pair<iterator,iterator> equal_range(const key_type& interval)
{
return std::pair<iterator,iterator>
(_set.lower_bound(interval), _set.upper_bound(interval));
}
std::pair<const_iterator,const_iterator>
equal_range(const key_type& interval)const
{
return std::pair<const_iterator,const_iterator>
(_set.lower_bound(interval), _set.upper_bound(interval));
}
private:
iterator _add(const segment_type& addend);
iterator _add(iterator prior, const segment_type& addend);
protected:
void add_front(const interval_type& inter_val, iterator& first_);
void add_main(interval_type& inter_val, iterator& it_, const iterator& last_);
void add_segment(const interval_type& inter_val, iterator& it_);
void add_rear(const interval_type& inter_val, iterator& it_);
protected:
sub_type* that() { return static_cast<sub_type*>(this); }
const sub_type* that()const { return static_cast<const sub_type*>(this); }
protected:
ImplSetT _set;
} ;
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline void interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::add_front(const interval_type& inter_val, iterator& first_)
{
// If the collision sequence has a left residual 'left_resid' it will
// be split, to provide a standardized start of algorithms:
// The addend interval 'inter_val' covers the beginning of the collision sequence.
// only for the first there can be a left_resid: a part of *first_ left of inter_val
interval_type left_resid = right_subtract(*first_, inter_val);
if(!icl::is_empty(left_resid))
{ // [------------ . . .
// [left_resid---first_ --- . . .
iterator prior_ = cyclic_prior(*this, first_);
const_cast<interval_type&>(*first_) = left_subtract(*first_, left_resid);
//NOTE: Only splitting
this->_set.insert(prior_, left_resid);
}
//POST:
// [----- inter_val ---- . . .
// ...[-- first_ --...
}
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline void interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::add_segment(const interval_type& inter_val, iterator& it_)
{
interval_type lead_gap = right_subtract(inter_val, *it_);
if(!icl::is_empty(lead_gap))
// [lead_gap--- . . .
// [prior_) [-- it_ ...
this->_set.insert(cyclic_prior(*this, it_), lead_gap);
// . . . --------- . . . addend interval
// [-- it_ --) has a common part with the first overval
++it_;
}
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline void interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::add_main(interval_type& rest_interval, iterator& it_, const iterator& last_)
{
interval_type cur_interval;
while(it_ != last_)
{
cur_interval = *it_ ;
add_segment(rest_interval, it_);
// shrink interval
rest_interval = left_subtract(rest_interval, cur_interval);
}
}
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline void interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::add_rear(const interval_type& inter_val, iterator& it_)
{
iterator prior_ = cyclic_prior(*this, it_);
interval_type cur_itv = *it_;
interval_type lead_gap = right_subtract(inter_val, cur_itv);
if(!icl::is_empty(lead_gap))
// [lead_gap--- . . .
// [prior_) [-- it_ ...
this->_set.insert(prior_, lead_gap);
interval_type end_gap = left_subtract(inter_val, cur_itv);
if(!icl::is_empty(end_gap))
// [---------------end_gap)
// [-- it_ --)
it_ = this->_set.insert(it_, end_gap);
else
{
// only for the last there can be a right_resid: a part of *it_ right of addend
interval_type right_resid = left_subtract(cur_itv, inter_val);
if(!icl::is_empty(right_resid))
{
// [--------------)
// [-- it_ --right_resid)
const_cast<interval_type&>(*it_) = right_subtract(*it_, right_resid);
it_ = this->_set.insert(it_, right_resid);
}
}
}
//==============================================================================
//= Addition
//==============================================================================
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline typename interval_base_set<SubType,DomainT,Compare,Interval,Alloc>::iterator
interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::_add(const segment_type& addend)
{
typedef typename interval_base_set<SubType,DomainT,Compare,Interval,Alloc>::iterator iterator;
if(icl::is_empty(addend))
return this->_set.end();
std::pair<iterator,bool> insertion = this->_set.insert(addend);
if(insertion.second)
return that()->handle_inserted(insertion.first);
else
{
iterator last_ = prior(this->_set.upper_bound(addend));
return that()->add_over(addend, last_);
}
}
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline typename interval_base_set<SubType,DomainT,Compare,Interval,Alloc>::iterator
interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::_add(iterator prior_, const segment_type& addend)
{
typedef typename interval_base_set<SubType,DomainT,Compare,Interval,Alloc>::iterator iterator;
if(icl::is_empty(addend))
return prior_;
iterator insertion = this->_set.insert(prior_, addend);
if(*insertion == addend)
return that()->handle_inserted(insertion);
else
{
iterator last_ = prior(this->_set.upper_bound(addend));
return that()->add_over(addend, last_);
}
}
//==============================================================================
//= Subtraction
//==============================================================================
template <class SubType, class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
inline SubType& interval_base_set<SubType,DomainT,Compare,Interval,Alloc>
::subtract(const segment_type& minuend)
{
if(icl::is_empty(minuend))
return *that();
std::pair<iterator, iterator> exterior = equal_range(minuend);
if(exterior.first == exterior.second)
return *that();
iterator first_ = exterior.first;
iterator end_ = exterior.second;
iterator last_ = prior(end_);
interval_type left_resid = right_subtract(*first_, minuend);
interval_type right_resid;
if(first_ != end_)
right_resid = left_subtract(*last_ , minuend);
this->_set.erase(first_, end_);
if(!icl::is_empty(left_resid))
this->_set.insert(left_resid);
if(!icl::is_empty(right_resid))
this->_set.insert(right_resid);
return *that();
}
//-----------------------------------------------------------------------------
// type traits
//-----------------------------------------------------------------------------
template<class SubType,
class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
struct is_set<icl::interval_base_set<SubType,DomainT,Compare,Interval,Alloc> >
{
typedef is_set<icl::interval_base_set<SubType,DomainT,Compare,Interval,Alloc> > type;
BOOST_STATIC_CONSTANT(bool, value = true);
};
template<class SubType,
class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
struct is_interval_container<icl::interval_base_set<SubType,DomainT,Compare,Interval,Alloc> >
{
typedef is_interval_container<icl::interval_base_set<SubType,DomainT,Compare,Interval,Alloc> > type;
BOOST_STATIC_CONSTANT(bool, value = true);
};
}} // namespace icl boost
#endif