DGtal::ReverseIterator< Iterator > Class Template Reference

This class adapts any bidirectional iterator so that operator++ calls operator-- and vice versa. More...

#include <DGtal/base/ReverseIterator.h>

Inheritance diagram for DGtal::ReverseIterator< Iterator >:

Public Types
typedef IteratorCirculatorTraits< Iterator >::Type	Type

Public Member Functions
	ReverseIterator ()
	ReverseIterator (Iterator x)
template<class OtherIterator >
	ReverseIterator (ReverseIterator< OtherIterator > const &r, typename boost::enable_if_convertible< OtherIterator, Iterator >::type *=0)

Private Types
typedef boost::iterator_adaptor< ReverseIterator< Iterator >, Iterator >	super_t

Private Member Functions
super_t::reference	dereference () const
void	increment ()
void	decrement ()
void	advance (typename super_t::difference_type n)
template<class OtherIterator >
super_t::difference_type	distance_to (ReverseIterator< OtherIterator > const &y) const

Friends
class	boost::iterator_core_access

Detailed Description

template<class Iterator>
class DGtal::ReverseIterator< Iterator >

This class adapts any bidirectional iterator so that operator++ calls operator-- and vice versa.

Description of template class 'ReverseIterator'

Template Parameters

Iterator

the type of the iterator to adapt, a model of bidirectional iterator

NB: adapted from boost/iterator/ReverseIterator.hpp

Definition at line 69 of file ReverseIterator.h.

Member Typedef Documentation

super_t

template<class Iterator >

typedef boost::iterator_adaptor< ReverseIterator<Iterator>, Iterator > DGtal::ReverseIterator< Iterator >::super_t

private

Definition at line 73 of file ReverseIterator.h.

Type

template<class Iterator >

typedef IteratorCirculatorTraits<Iterator>::Type DGtal::ReverseIterator< Iterator >::Type

Definition at line 79 of file ReverseIterator.h.

Constructor & Destructor Documentation

ReverseIterator() [1/3]

template<class Iterator >

DGtal::ReverseIterator< Iterator >::ReverseIterator ( )

inline

Definition at line 81 of file ReverseIterator.h.

{}

ReverseIterator() [2/3]

template<class Iterator >

DGtal::ReverseIterator< Iterator >::ReverseIterator ( Iterator x )

inlineexplicit

Definition at line 83 of file ReverseIterator.h.

          : super_t(x) {}

ReverseIterator() [3/3]

template<class Iterator >

template<class OtherIterator >

DGtal::ReverseIterator< Iterator >::ReverseIterator ( ReverseIterator< OtherIterator > const & r, typename boost::enable_if_convertible< OtherIterator, Iterator >::type * = 0 )

inline

Definition at line 87 of file ReverseIterator.h.

          : super_t(r.base())
      {}

Member Function Documentation

advance()

template<class Iterator >

void DGtal::ReverseIterator< Iterator >::advance ( typename super_t::difference_type n )

inlineprivate

Definition at line 100 of file ReverseIterator.h.

      {
          this->base_reference() += -n;
      }

decrement()

template<class Iterator >

void DGtal::ReverseIterator< Iterator >::decrement ( )

inlineprivate

Definition at line 98 of file ReverseIterator.h.

{ ++this->base_reference(); }

dereference()

template<class Iterator >

super_t::reference DGtal::ReverseIterator< Iterator >::dereference ( ) const

inlineprivate

Definition at line 95 of file ReverseIterator.h.

{ return *boost::prior(this->base()); }

distance_to()

template<class Iterator >

template<class OtherIterator >

super_t::difference_type DGtal::ReverseIterator< Iterator >::distance_to ( ReverseIterator< OtherIterator > const & y ) const

inlineprivate

Definition at line 107 of file ReverseIterator.h.

      {
          return this->base_reference() - y.base();
      }

increment()

template<class Iterator >

void DGtal::ReverseIterator< Iterator >::increment ( )

inlineprivate

Definition at line 97 of file ReverseIterator.h.

{ --this->base_reference(); }

Friends And Related Symbol Documentation

boost::iterator_core_access

template<class Iterator >

friend class boost::iterator_core_access

friend

Definition at line 75 of file ReverseIterator.h.

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The documentation for this class was generated from the following file:

• ReverseIterator.h