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(), AvailIn(), AvailOut(), EBufError, EDataError, EStreamError, EUnexpected, EVersionError, OutputDescriptor(), Progress(), SetInput(), SetOutput(), TotalIn(), TotalOut(), anonymous, iOutputBufferLength, iOutputPointer, iStream

Inherited from CBase:
Delete(), Extension_(), operator new()

IMPORT_C void SetInput(const TDesC8 &aInputData);

Description

Set the stream's input buffer

Parameters

const TDesC8 &aInputData the input buffer for this stream

IMPORT_C void SetOutput(TDes8 &aOutputData);

Description

Set the stream's output buffer

Parameters

TDes8 &aOutputData the output buffer for this stream

IMPORT_C TPtrC8 OutputDescriptor() const;

Description

Return a decriptor pointer to the output buffer

Return value

TPtrC8 a decriptor pointer to the output buffer

IMPORT_C TInt TotalOut() const;

Description

Return the total number of bytes output so far

Return value

TInt the total number of bytes output so far

IMPORT_C TInt TotalIn() const;

Description

Return the total number of input bytes read so far

Return value

TInt the total number of input bytes read so far

IMPORT_C TInt32 Adler32() const;

Description

Return the value of the uncompressed data

Return value

TInt32 the value of the uncompressed data

IMPORT_C TInt AvailIn() const;

Description

Return the number of bytes available at the next input byte

Return value

TInt the number of bytes available at the next input byte

IMPORT_C TInt AvailOut() const;

Description

Return the remaining free space at next output byte target

Return value

TInt the remaining free space at next output byte target

IMPORT_C TInt Progress(TInt aTotalLength) const;

Description

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

Parameters

TInt aTotalLength the total number of bytes to read / write

Return value

TInt the progress as a percentage - the number of bytes written / read out of the total target

n/a

Description

stream panic values

EStreamError EDataError EBufError EVersionError EUnexpected

protected: z_stream iStream;

Description

protected: TUint8 * iOutputPointer;

Description

protected: TInt iOutputBufferLength;

Description