Class CEZZStream

class CEZZStream : public CBase;

Description

Represents a zip stream

Derivation

• CBase - Base class for all classes to be instantiated on the heap.

• CEZZStream - Represents a zip stream

Members

Defined in CEZZStream:

• Adler32()constReturn the value of the uncompressed data
• AvailIn()constReturn the number of bytes available at the next input byte
• AvailOut()constReturn the remaining free space at next output byte target
• EBufError
• EDataError
• EStreamError
• EUnexpected
• EVersionError
• OutputDescriptor()constReturn a decriptor pointer to the output buffer
• Progress(TInt)constReturn the progress of the current operation - that is the percentage of bytes w...
• SetInput(const TDesC8 &)Set the stream's input buffer
• SetOutput(TDes8 &)Set the stream's output buffer
• TotalIn()constReturn the total number of input bytes read so far
• TotalOut()constReturn the total number of bytes output so far
• anonymousstream panic values
• iOutputBufferLength
• iOutputPointer
• iStream

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 void SetInput(const TDesC8 &aInputData);

Description

Set the stream's input buffer

Parameters

IMPORT_C void SetOutput(TDes8 &aOutputData);

Description

Set the stream's output buffer

Parameters

IMPORT_C TPtrC8 OutputDescriptor() const;

Description

Return a decriptor pointer to the output buffer

Return value

IMPORT_C TInt TotalOut() const;

Description

Return the total number of bytes output so far

Return value

IMPORT_C TInt TotalIn() const;

Description

Return the total number of input bytes read so far

Return value

IMPORT_C TInt32 Adler32() const;

Description

Return the value of the uncompressed data

Return value

IMPORT_C TInt AvailIn() const;

Description

Return the number of bytes available at the next input byte

Return value

IMPORT_C TInt AvailOut() const;

Description

Return the remaining free space at next output byte target

Return value

IMPORT_C TInt Progress(TInt aTotalLength) const;

Description

Return the progress of the current operation - that is the percentage of bytes written / read

Parameters

Return value

n/a

Description

stream panic values

protected: z_stream iStream;

Description

protected: TUint8 * iOutputPointer;

Description

protected: TInt iOutputBufferLength;

Description