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 override
TClass *	IsA () const override
TObject *	Next () override
	Returns the next key from a map.
Bool_t	operator!= (const TIterator &aIter) const override
	This operator compares two TIterator objects.
Bool_t	operator!= (const TMapIter &aIter) const
	This operator compares two TMapIter objects.
TObject *	operator* () const override
	Return pointer to current object (a TPair) or nullptr.
TIterator &	operator= (const TIterator &rhs) override
	Overridden assignment operator.
TMapIter &	operator= (const TMapIter &rhs)
	Overloaded assignment operator.
void	Reset () override
	Reset the map iterator.
void	Streamer (TBuffer &) override
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TIterator
virtual	~TIterator ()
virtual Option_t *	GetOption () const
TObject *	operator() ()
Bool_t	operator== (const TIterator &other) const
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TIterator
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()

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

Class()

static TClass * TMapIter::Class ( )

static

Returns

TClass describing this class

Class_Name()

static const char * TMapIter::Class_Name ( )

static

Returns

Name of this class

Class_Version()

static constexpr Version_t TMapIter::Class_Version ( )

inlinestaticconstexpr

Returns

Version of this class

Definition at line 174 of file TMap.h.

DeclFileName()

static const char * TMapIter::DeclFileName ( )

inlinestatic

Returns

Name of the file containing the class declaration

Definition at line 174 of file TMap.h.

GetCollection()

const TCollection * TMapIter::GetCollection ( ) const

inlineoverridevirtual

Implements TIterator.

Definition at line 167 of file TMap.h.

IsA()

TClass * TMapIter::IsA ( ) const

inlineoverridevirtual

Returns

TClass describing current object

Reimplemented from TIterator.

Definition at line 174 of file TMap.h.

Next()

TObject * TMapIter::Next ( )

overridevirtual

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

overridevirtual

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

overridevirtual

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 )

overridevirtual

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 ( )

overridevirtual

Reset the map iterator.

Implements TIterator.

Definition at line 555 of file TMap.cxx.

Streamer()

void TMapIter::Streamer ( TBuffer & )

overridevirtual

Reimplemented from TIterator.

StreamerNVirtual()

void TMapIter::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 174 of file TMap.h.

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.