TMapIter Class Reference

Iterator of map.

Definition at line 144 of file TMap.h.

Public Types
using	const_pointer = const TObject **
using	difference_type = std::ptrdiff_t
using	iterator_category = std::bidirectional_iterator_tag
using	pointer = TObject **
using	reference = const TObject *&
using	value_type = TObject *

Public Member Functions
	TMapIter (const TMap *map, Bool_t dir=kIterForward)
	Create a map iterator. Use dir to specify the desired iteration direction.
	TMapIter (const TMapIter &iter)
	Copy ctor.
	~TMapIter ()
	Map iterator dtor.
const TCollection *	GetCollection () const
TObject *	Next ()
	Returns the next key from a map.
Bool_t	operator!= (const TIterator &aIter) const
	This operator compares two TIterator objects.
Bool_t	operator!= (const TMapIter &aIter) const
	This operator compares two TMapIter objects.
TObject *	operator* () const
	Return pointer to current object (a TPair) or nullptr.
TIterator &	operator= (const TIterator &rhs)
	Overridden assignment operator.
TMapIter &	operator= (const TMapIter &rhs)
	Overloaded assignment operator.
void	Reset ()
	Reset the map iterator.
Public Member Functions inherited from TIterator
virtual	~TIterator ()
virtual Option_t *	GetOption () const
TObject *	operator() ()
Bool_t	operator== (const TIterator &other) const

Private Member Functions
	TMapIter ()

Private Attributes
THashTableIter *	fCursor
Bool_t	fDirection
const TMap *	fMap

Additional Inherited Members
Protected Member Functions inherited from TIterator
	TIterator ()
	TIterator (const TIterator &)

#include <TMap.h>

Inheritance diagram for TMapIter:

Member Typedef Documentation

const_pointer

using TMapIter::const_pointer = const TObject **

Definition at line 158 of file TMap.h.

difference_type

using TMapIter::difference_type = std::ptrdiff_t

Definition at line 156 of file TMap.h.

iterator_category

using TMapIter::iterator_category = std::bidirectional_iterator_tag

Definition at line 154 of file TMap.h.

pointer

using TMapIter::pointer = TObject **

Definition at line 157 of file TMap.h.

reference

using TMapIter::reference = const TObject *&

Definition at line 159 of file TMap.h.

value_type

using TMapIter::value_type = TObject *

Definition at line 155 of file TMap.h.

Constructor & Destructor Documentation

TMapIter() [1/3]

TMapIter::TMapIter ( )

inlineprivate

Definition at line 151 of file TMap.h.

TMapIter() [2/3]

TMapIter::TMapIter	(	const TMap *	map,
		Bool_t	dir = kIterForward
	)

Create a map iterator. Use dir to specify the desired iteration direction.

Definition at line 473 of file TMap.cxx.

TMapIter() [3/3]

TMapIter::TMapIter

(

const TMapIter &

iter

)

Copy ctor.

Definition at line 483 of file TMap.cxx.

~TMapIter()

TMapIter::~TMapIter

(

)

Map iterator dtor.

Definition at line 533 of file TMap.cxx.

Member Function Documentation

GetCollection()

const TCollection * TMapIter::GetCollection ( ) const

inlinevirtual

Implements TIterator.

Definition at line 167 of file TMap.h.

Next()

TObject * TMapIter::Next ( )

virtual

Returns the next key from a map.

Use TMap::GetValue() to get the value associated with the key. Returns 0 when no more items in map.

Implements TIterator.

Definition at line 542 of file TMap.cxx.

operator!=() [1/2]

Bool_t TMapIter::operator!= ( const TIterator &  aIter ) const

virtual

This operator compares two TIterator objects.

Reimplemented from TIterator.

Definition at line 563 of file TMap.cxx.

operator!=() [2/2]

Bool_t TMapIter::operator!=

(

const TMapIter &

aIter

)

const

This operator compares two TMapIter objects.

Definition at line 575 of file TMap.cxx.

operator*()

TObject * TMapIter::operator* ( ) const

virtual

Return pointer to current object (a TPair) or nullptr.

Reimplemented from TIterator.

Definition at line 583 of file TMap.cxx.

operator=() [1/2]

TIterator & TMapIter::operator= ( const TIterator &  rhs )

virtual

Overridden assignment operator.

Implements TIterator.

Definition at line 498 of file TMap.cxx.

operator=() [2/2]

TMapIter & TMapIter::operator=

(

const TMapIter &

rhs

)

Overloaded assignment operator.

Definition at line 516 of file TMap.cxx.

Reset()

void TMapIter::Reset ( )

virtual

Reset the map iterator.

Implements TIterator.

Definition at line 555 of file TMap.cxx.

Member Data Documentation

fCursor

THashTableIter* TMapIter::fCursor

private

Definition at line 148 of file TMap.h.

fDirection

Bool_t TMapIter::fDirection

private

Definition at line 149 of file TMap.h.

fMap

const TMap* TMapIter::fMap

private

Definition at line 147 of file TMap.h.