CMMFMetaDataEntry Class Reference

class CMMFMetaDataEntry : public CBase

A piece of meta data.

Meta data is often contained in the header of multimedia clips and is used to define attributes such as the author and copyright details.

Each piece of meta data has a name, or category, and a value.

7.0s

Inherits from

Public Member Functions
~CMMFMetaDataEntry()
IMPORT_C voidExternalizeL(RWriteStream &)
IMPORT_C voidInternalizeL(RReadStream &)
IMPORT_C const TDesC &Name()
IMPORT_C CMMFMetaDataEntry *NewL(const TDesC &, const TDesC &)
IMPORT_C CMMFMetaDataEntry *NewL(const CMMFMetaDataEntry &)
IMPORT_C CMMFMetaDataEntry *NewL()
IMPORT_C voidSetNameL(const TDesC &)
IMPORT_C voidSetValueL(const TDesC &)
IMPORT_C const TDesC &Value()
Private Member Functions
CMMFMetaDataEntry()
voidConstructL(const TDesC &, const TDesC &)
Inherited Functions
CBase::CBase()
CBase::Delete(CBase *)
CBase::Extension_(TUint,TAny *&,TAny *)
CBase::operator new(TUint)
CBase::operator new(TUint,TAny *)
CBase::operator new(TUint,TLeave)
CBase::operator new(TUint,TLeave,TUint)
CBase::operator new(TUint,TUint)
CBase::~CBase()
Private Attributes
HBufC *iName
HBufC *iValue

Constructor & Destructor Documentation

CMMFMetaDataEntry()

CMMFMetaDataEntry()[private]

Constructor.

7.0s

~CMMFMetaDataEntry()

IMPORT_C~CMMFMetaDataEntry()

Destructor.

7.0s

Member Functions Documentation

ConstructL(const TDesC &, const TDesC &)

voidConstructL(const TDesC &aName,
const TDesC &aValue
)[private]

Second phase constructor.

An example of aName might be: 
	<Copyright>
An example of aValue might be: 
	<Symbian (c) 2002>

This method can leave with one of the standard system-wide error codes.

7.0s

Parameters

const TDesC & aNameThe name, or category, to be given to this piece of meta data.
const TDesC & aValueThe value of this piece of meta data.

ExternalizeL(RWriteStream &)

IMPORT_C voidExternalizeL(RWriteStream &aStream)const

Writes the data contained within the object to a stream so it can be copied over IPC or written to a file.

This method can leave with one of the standard system-wide error codes.

7.0s

Parameters

RWriteStream & aStreamThe stream to be written to.

InternalizeL(RReadStream &)

IMPORT_C voidInternalizeL(RReadStream &aStream)

Reads data from a stream and copies it into this object. Used when copying a meta data object over IPC or reading it from a file.

This method can leave with one of the standard system-wide error codes.

7.0s

Parameters

RReadStream & aStreamThe stream to be read.

Name()

IMPORT_C const TDesC &Name()const

Returns the name, or category, of the meta data.

The name of the meta data object.

7.0s

NewL(const TDesC &, const TDesC &)

IMPORT_C CMMFMetaDataEntry *NewL(const TDesC &aName,
const TDesC &aValue
)[static]

Constructs a new meta data object using a name and value.

This method can leave with one of the standard system-wide error codes.

An example of a name might be: 
	For example, <Copyright>
An example of a value might be: 
	<Symbian (c) 2002>

The newly created meta data object.

7.0s

Parameters

const TDesC & aNameThe name, or category, to be given to this piece of meta data.
const TDesC & aValueThe value of this piece of meta data.

NewL(const CMMFMetaDataEntry &)

IMPORT_C CMMFMetaDataEntry *NewL(const CMMFMetaDataEntry &aOther)[static]

Copy constructor. Returns a replica of the meta data passed in.

This method can leave with one of the standard system-wide error codes.

The newly created meta data object.

7.0s

Parameters

const CMMFMetaDataEntry & aOtherThe meta data to be copied.

NewL()

IMPORT_C CMMFMetaDataEntry *NewL()[static]

Default constructor. Returns a blank meta data object. To be used when internalizing data into the object.

This method can leave with one of the standard system-wide error codes.

The newly created meta data object.

7.0s

SetNameL(const TDesC &)

IMPORT_C voidSetNameL(const TDesC &aName)

Sets the name, or category, of the meta data.

This method can leave with one of the standard system-wide error codes.

7.0s

Parameters

const TDesC & aNameThe new name of the meta data object

SetValueL(const TDesC &)

IMPORT_C voidSetValueL(const TDesC &aValue)

Sets the value field of the meta data.

This method can leave with one of the standard system-wide error codes.

7.0s

Parameters

const TDesC & aValueThe new value field of the meta data object

Value()

IMPORT_C const TDesC &Value()const

Returns the value field of the meta data.

The value field of the meta data object.

7.0s

Member Data Documentation

HBufC * iName

HBufC *iName[private]

The name, or category, of the meta data.

HBufC * iValue

HBufC *iValue[private]

The value of the meta data.

© Nokia 2010.