Class CEZFileBufferManager

class CEZFileBufferManager : public CBase, public MEZBufferManager;

Description

Concrete class to manage the input and output buffers for compression and de-compression

Derivation

• MEZBufferManager - Interface class to manage input and output buffers for compression and de-compre...
• CBase - Base class for all classes to be instantiated on the heap.

• CEZFileBufferManager - Concrete class to manage the input and output buffers for compression and de-com...

Members

Defined in CEZFileBufferManager:

• EBadInitialization
• FinalizeL(CEZZStream &)Finish writing to the stream
• InitializeL(CEZZStream &)Initialise the stream with input and output buffers and starts reading
• NeedInputL(CEZZStream &)Set the stream's input buffer and starts reading
• NeedOutputL(CEZZStream &)Set the stream's output buffer and start writing
• NewL(RFile &,RFile &,TInt)Creates a new CEZFileBufferManager object
• NewLC(RFile &,RFile &,TInt)Creates a new CEZFileBufferManager object and leave it on the CleanupStack
• anonymous
• iBufferSize
• iInputBuffer
• iInputDescriptor
• iInputFile
• iOutputBuffer
• iOutputDescriptor
• iOutputFile

Inherited from CBase:

• Delete(CBase *)Deletes the specified object.
• Extension_(TUint,TAny *&,TAny *)Extension function
• operator new(TUint)Allocates the object from the heap and then initialises its contents to binary z...
• operator new(TUint,TAny *)Initialises the object to binary zeroes.
• operator new(TUint,TLeave)Allocates the object from the heap and then initialises its contents to binary z...
• operator new(TUint,TLeave,TUint)Allocates the object from the heap and then initialises its contents to binary z...
• operator new(TUint,TUint)Allocates the object from the heap and then initialises its contents to binary z...

IMPORT_C static CEZFileBufferManager* NewLC(RFile &aInput, RFile &aOutput, TInt aBufferSize=0x8000);

Description

Creates a new CEZFileBufferManager object and leave it on the CleanupStack

Parameters

Return value

IMPORT_C static CEZFileBufferManager* NewL(RFile &aInput, RFile &aOutput, TInt aBufferSize=0x8000);

Description

Creates a new CEZFileBufferManager object

Parameters

Return value

virtual void InitializeL(CEZZStream &aZStream);

Description

Initialise the stream with input and output buffers and starts reading

Parameters

virtual void NeedInputL(CEZZStream &aZStream);

Description

Set the stream's input buffer and starts reading

Parameters

virtual void NeedOutputL(CEZZStream &aZStream);

Description

Set the stream's output buffer and start writing

Parameters

virtual void FinalizeL(CEZZStream &aZStream);

Description

Finish writing to the stream

Parameters

n/a

Description

protected: RFile & iInputFile;

Description

protected: RFile & iOutputFile;

Description

protected: TInt iBufferSize;

Description

protected: TUint8 * iInputBuffer;

Description

protected: TUint8 * iOutputBuffer;

Description

protected: TPtr8 iInputDescriptor;

Description

protected: TPtr8 iOutputDescriptor;

Description