233 lines
8.2 KiB
C++
233 lines
8.2 KiB
C++
/*-----------------------------------------------------------------------------+
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Copyright (c) 2007-2010: Joachim Faulhaber
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Copyright (c) 1999-2006: Cortex Software GmbH, Kantstrasse 57, Berlin
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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_INTERVAL_SET_HPP_JOFA_990223
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#define BOOST_ICL_INTERVAL_SET_HPP_JOFA_990223
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#include <boost/assert.hpp>
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#include <boost/icl/type_traits/is_interval_joiner.hpp>
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#include <boost/icl/interval_base_set.hpp>
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namespace boost{namespace icl
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{
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/** \brief Implements a set as a set of intervals - merging adjoining intervals */
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template
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<
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typename DomainT,
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ICL_COMPARE Compare = ICL_COMPARE_INSTANCE(ICL_COMPARE_DEFAULT, DomainT),
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ICL_INTERVAL(ICL_COMPARE) Interval = ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, DomainT, Compare),
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ICL_ALLOC Alloc = std::allocator
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>
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class interval_set:
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public interval_base_set<interval_set<DomainT,Compare,Interval,Alloc>,
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DomainT,Compare,Interval,Alloc>
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{
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public:
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typedef interval_set<DomainT,Compare,Interval,Alloc> type;
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/// The base_type of this class
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typedef interval_base_set<type,DomainT,Compare,Interval,Alloc> base_type;
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typedef type overloadable_type;
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typedef type joint_type;
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typedef type key_object_type;
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/// The domain type of the set
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typedef DomainT domain_type;
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/// The codomaintype is the same as domain_type
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typedef DomainT codomain_type;
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/// The element type of the set
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typedef DomainT element_type;
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/// The interval type of the set
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typedef ICL_INTERVAL_TYPE(Interval,DomainT,Compare) interval_type;
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/// The segment type of the set
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typedef interval_type segment_type;
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/// Comparison functor for domain values
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typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
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/// Comparison functor for intervals
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typedef exclusive_less_than<interval_type> interval_compare;
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/// Comparison functor for keys
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typedef exclusive_less_than<interval_type> key_compare;
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/// The allocator type of the set
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typedef Alloc<interval_type> allocator_type;
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/// allocator type of the corresponding element set
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typedef Alloc<DomainT> domain_allocator_type;
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/// The corresponding atomized type representing this interval container of elements
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typedef typename base_type::atomized_type atomized_type;
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/// Container type for the implementation
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typedef typename base_type::ImplSetT ImplSetT;
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/// key type of the implementing container
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typedef typename ImplSetT::key_type key_type;
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/// data type of the implementing container
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typedef typename ImplSetT::value_type data_type;
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/// value type of the implementing container
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typedef typename ImplSetT::value_type value_type;
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/// iterator for iteration over intervals
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typedef typename ImplSetT::iterator iterator;
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/// const_iterator for iteration over intervals
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typedef typename ImplSetT::const_iterator const_iterator;
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enum { fineness = 1 };
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public:
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//==========================================================================
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//= Construct, copy, destruct
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//==========================================================================
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/// Default constructor for the empty object
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interval_set(): base_type() {}
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/// Copy constructor
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interval_set(const interval_set& src): base_type(src) {}
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/// Copy constructor for base_type
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template<class SubType>
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explicit interval_set
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(const interval_base_set<SubType,DomainT,Compare,Interval,Alloc>& src)
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{
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this->assign(src);
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}
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/// Constructor for a single element
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explicit interval_set(const domain_type& value): base_type()
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{ this->add(interval_type(value)); }
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/// Constructor for a single interval
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explicit interval_set(const interval_type& itv): base_type()
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{
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this->add(itv);
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}
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/// Assignment from a base interval_set.
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template<class SubType>
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void assign(const interval_base_set<SubType,DomainT,Compare,Interval,Alloc>& src)
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{
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typedef interval_base_set<SubType,DomainT,Compare,Interval,Alloc> base_set_type;
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this->clear();
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// Has to be implemented via add. there might be touching borders to be joined
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iterator prior_ = this->_set.end();
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ICL_const_FORALL(typename base_set_type, it_, src)
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prior_ = this->add(prior_, *it_);
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}
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/// Assignment operator for base type
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template<class SubType>
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interval_set& operator =
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(const interval_base_set<SubType,DomainT,Compare,Interval,Alloc>& src)
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{
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this->assign(src);
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return *this;
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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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/// Move constructor
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interval_set(interval_set&& src)
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: base_type(boost::move(src))
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{}
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/// Move assignment operator
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interval_set& operator = (interval_set 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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/// Assignment operator
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interval_set& operator = (const interval_set& 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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private:
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// Private functions that shall be accessible by the baseclass:
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friend class
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interval_base_set <interval_set<DomainT,Compare,Interval,Alloc>,
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DomainT,Compare,Interval,Alloc>;
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iterator handle_inserted(iterator it_)
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{
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return segmental::join_neighbours(*this, it_);
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}
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iterator add_over(const interval_type& addend, iterator last_)
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{
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iterator joined_ = segmental::join_under(*this, addend, last_);
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return segmental::join_neighbours(*this, joined_);
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}
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iterator add_over(const interval_type& addend)
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{
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iterator joined_ = segmental::join_under(*this, addend);
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return segmental::join_neighbours(*this, joined_);
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}
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} ;
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//-----------------------------------------------------------------------------
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// type traits
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//-----------------------------------------------------------------------------
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template <class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
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struct is_set<icl::interval_set<DomainT,Compare,Interval,Alloc> >
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{
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typedef is_set<icl::interval_set<DomainT,Compare,Interval,Alloc> > type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template <class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
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struct is_interval_container<icl::interval_set<DomainT,Compare,Interval,Alloc> >
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{
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typedef is_interval_container<icl::interval_set<DomainT,Compare,Interval,Alloc> > type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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template <class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
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struct is_interval_joiner<icl::interval_set<DomainT,Compare,Interval,Alloc> >
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{
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typedef is_interval_joiner<icl::interval_set<DomainT,Compare,Interval,Alloc> > type;
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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//-----------------------------------------------------------------------------
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// type representation
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//-----------------------------------------------------------------------------
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template <class DomainT, ICL_COMPARE Compare, ICL_INTERVAL(ICL_COMPARE) Interval, ICL_ALLOC Alloc>
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struct type_to_string<icl::interval_set<DomainT,Compare,Interval,Alloc> >
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{
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static std::string apply()
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{ return "itv_set<"+ type_to_string<DomainT>::apply() +">"; }
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};
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}} // namespace icl boost
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#endif
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