A thin templated base class for arrays of pointers to objects. More...

#include <e32base.h>

Inheritance diagram for CArrayPtr< T >:

Public Member Functions
	CArrayPtr (TBufRep aRep, TInt aGranularity)

void	ResetAndDestroy ()
	Destroys all objects whose pointers form the elements of the array, before resetting the array.

Public Member Functions inherited from CArrayFix< T * >
	CArrayFix (TBufRep aRep, TInt aGranularity)

const T * &	operator[] (TInt anIndex) const
	Gets a const reference to the element located at the specified position within the array.

T * &	operator[] (TInt anIndex)
	Gets a non-const reference to the element located at the specified position within the array.

const T * &	At (TInt anIndex) const
	Gets a const reference to the element located at the specified position within the array.

T * &	At (TInt anIndex)
	Gets a non-const reference to the element located at the specified position within the array.

const T * *	End (TInt anIndex) const
	Gets a pointer to the (const) first byte following the end of the contiguous region containing the element at the specified position within the array.

T * *	End (TInt anIndex)
	Gets a pointer to the first byte following the end of the contiguous region containing the element at the specified position within the array.

const T * *	Back (TInt anIndex) const
	Gets a pointer to the (const) beginning of a contiguous region.

T * *	Back (TInt anIndex)
	Gets a pointer to the beginning of a contiguous region.

void	AppendL (const T * &aRef)
	Appends a single element onto the end of the array.

void	AppendL (const T * *aPtr, TInt aCount)
	Appends one or more elements onto the end of the array.

void	AppendL (const T * &aRef, TInt aReplicas)
	Appends replicated copies of an element onto the end of the array.

T * &	ExpandL (TInt anIndex)
	Expands the array by one element at the specified position.

T * &	ExtendL ()
	Expands the array by one element at the end of the array.

TInt	Find (const T * &aRef, TKeyArrayFix &aKey, TInt &anIndex) const
	Finds the position of an element within the array, based on the matching of keys, using a sequential search.

TInt	FindIsq (const T * &aRef, TKeyArrayFix &aKey, TInt &anIndex) const
	Finds the position of an element within the array, based on the matching of keys, using a binary search technique.

void	InsertL (TInt anIndex, const T * &aRef)
	Inserts an element into the array at the specified position.

void	InsertL (TInt anIndex, const T * *aPtr, TInt aCount)
	Inserts one or more elements into the array at the specified position.

void	InsertL (TInt anIndex, const T * &aRef, TInt aReplicas)
	Inserts replicated copies of an element into the array at the specified position.

TInt	InsertIsqL (const T * &aRef, TKeyArrayFix &aKey)
	Inserts a single element into the array at a position determined by a key.

TInt	InsertIsqAllowDuplicatesL (const T * &aRef, TKeyArrayFix &aKey)
	Inserts a single element into the array at a position determined by a key, allowing duplicates.

void	ResizeL (TInt aCount)
	Changes the size of the array so that it contains the specified number of elements.

void	ResizeL (TInt aCount, const T * &aRef)
	Changes the size of the array so that it contains the specified number of elements.

const TArray< T * >	Array () const
	Constructs and returns a TArray<T> object.

Public Member Functions inherited from CArrayFixBase
IMPORT_C	~CArrayFixBase ()
	Destructor.

TInt	Count () const
	Gets the number of elements held in the array.

TInt	Length () const
	Gets the length of an element.

IMPORT_C void	Compress ()
	Compresses the array.

IMPORT_C void	Reset ()
	Deletes all elements from the array and frees the memory allocated to the array buffer.

IMPORT_C TInt	Sort (TKeyArrayFix &aKey)
	Sorts the elements of the array into key sequence.

IMPORT_C TAny *	At (TInt anIndex) const
	Index into the array.

IMPORT_C TAny *	End (TInt anIndex) const
	Return a pointer past contiguous elements starting at anIndex.

IMPORT_C TAny *	Back (TInt anIndex) const
	Return a pointer to contiguous elements before anIndex.

IMPORT_C void	Delete (TInt anIndex)
	Deletes a single element from the array at a specified position.

IMPORT_C void	Delete (TInt anIndex, TInt aCount)
	Deletes one or more contiguous elements from the array, starting at a specific position.

IMPORT_C TAny *	ExpandL (TInt anIndex)
	Expand the array to make room for a new record at anIndex.

IMPORT_C TInt	Find (const TAny *aPtr, TKeyArrayFix &aKey, TInt &anIndex) const
	Find in the array using a sequential search.

IMPORT_C TInt	FindIsq (const TAny *aPtr, TKeyArrayFix &aKey, TInt &anIndex) const
	Find in the array using a binary search.

IMPORT_C void	InsertL (TInt anIndex, const TAny *aPtr)
	Insert a record into the array.

IMPORT_C void	InsertL (TInt anIndex, const TAny *aPtr, TInt aCount)
	Insert aCount records into the array.

IMPORT_C TInt	InsertIsqL (const TAny *aPtr, TKeyArrayFix &aKey)
	Insert in sequence, no duplicates allowed.

IMPORT_C TInt	InsertIsqAllowDuplicatesL (const TAny *aPtr, TKeyArrayFix &aKey)
	Insert in sequence, allow duplicates.

IMPORT_C void	ResizeL (TInt aCount, const TAny *aPtr)
	Resize the array to contain aCount records, copying a record into any new slots.

Public Member Functions inherited from CBase
	CBase ()
	Default constructor.

virtual IMPORT_C	~CBase ()
	Virtual destructor.

TAny *	operator new (TUint aSize, TAny *aBase) __NO_THROW
	Initialises the object to binary zeroes.

TAny *	operator new (TUint aSize) __NO_THROW
	Allocates the object from the heap and then initialises its contents to binary zeroes.

TAny *	operator new (TUint aSize, TLeave)
	Allocates the object from the heap and then initialises its contents to binary zeroes.

TAny *	operator new (TUint aSize, TUint aExtraSize) __NO_THROW
	Allocates the object from the heap and then initialises its contents to binary zeroes.

TAny *	operator new (TUint aSize, TLeave, TUint aExtraSize)
	Allocates the object from the heap and then initialises its contents to binary zeroes.

Additional Inherited Members
Static Public Member Functions inherited from CBase
static IMPORT_C void	Delete (CBase *aPtr)
	Deletes the specified object.

Protected Member Functions inherited from CArrayFixBase
IMPORT_C	CArrayFixBase (TBufRep aRep, TInt aRecordLength, TInt aGranularity)
	Constructor.

IMPORT_C void	InsertRepL (TInt anIndex, const TAny *aPtr, TInt aReplicas)
	Insert aReplicas copies of a record into the array.

IMPORT_C void	SetKey (TKeyArrayFix &aKey) const
	Set the key data.

IMPORT_C void	SetReserveFlatL (TInt aCount)
	Reserve space to contain aCount items.

Protected Member Functions inherited from CBase
virtual IMPORT_C TInt	Extension_ (TUint aExtensionId, TAny &a0, TAny a1)
	Extension function.

Static Protected Member Functions inherited from CArrayFixBase
static IMPORT_C TInt	CountR (const CBase *aPtr)
	Return the number of items in the array.

static IMPORT_C const TAny *	AtR (const CBase *aPtr, TInt anIndex)
	Return the address of an item in the array.

Detailed Description

template<class T>
class CArrayPtr< T >

A thin templated base class for arrays of pointers to objects.

The public functions contribute to standard array behaviour.

The class is always derived from and is never instantiated explicitly.

API status: Published to all clients. Released API.

Definition at line 626 of file e32base.h.

Constructor & Destructor Documentation

◆ CArrayPtr()

template<class T >

CArrayPtr< T >::CArrayPtr	(	TBufRep	aRep,
		TInt	aGranularity
	)

inline

Member Function Documentation

◆ ResetAndDestroy()

template<class T >

void CArrayPtr< T >::ResetAndDestroy ( )

Destroys all objects whose pointers form the elements of the array, before resetting the array.

The destructor of each class T object is called before the objects themselves are destroyed.

If the array is not empty, this member function must be called before the array is deleted to prevent the CBase derived objects from being orphaned on the heap.

Note that each call to this function results in a small, but non-trivial, amount of code being generated.

(generated from Symbian Developer Library)

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CArrayPtr()

Member Function Documentation

◆ ResetAndDestroy()