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CEZZStream Class Reference

class CEZZStream : public CBase

Represents a zip stream

Inherits from

CEZZStream
- CBase

Public Member Functions
IMPORT_C TInt32	Adler32 ()
IMPORT_C TInt	AvailIn ()
IMPORT_C TInt	AvailOut ()
IMPORT_C TPtrC8	OutputDescriptor ()
IMPORT_C TInt	Progress ( TInt )
IMPORT_C void	SetInput (const TDesC8 &)
IMPORT_C void	SetOutput ( TDes8 &)
IMPORT_C TInt	TotalIn ()
IMPORT_C TInt	TotalOut ()

Protected Member Functions
	CEZZStream ()

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()

Public Member Enumerations
enum	anonymous { EStreamError = -Z_STREAM_ERROR, EDataError = -Z_DATA_ERROR, EBufError = -Z_BUF_ERROR, EVersionError = -Z_VERSION_ERROR, EUnexpected }

Protected Attributes
TInt	iOutputBufferLength
TUint8 *	iOutputPointer
z_stream	iStream

Constructor & Destructor Documentation

CEZZStream()

CEZZStream

(

)

[protected]

Member Functions Documentation

Adler32()

IMPORT_C TInt32

Adler32

(

)

const

Return the value of the uncompressed data

AvailIn()

IMPORT_C TInt

AvailIn

(

)

const

Return the number of bytes available at the next input byte

AvailOut()

IMPORT_C TInt

AvailOut

(

)

const

Return the remaining free space at next output byte target

OutputDescriptor()

IMPORT_C TPtrC8

OutputDescriptor

(

)

const

Return a decriptor pointer to the output buffer

Progress(TInt)

IMPORT_C TInt

Progress

(

TInt

aTotalLength

)

const

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

SetInput(const TDesC8 &)

IMPORT_C void

SetInput

(

const TDesC8 &

aInputData

)

Set the stream's input buffer

Parameters

const TDesC8 & aInputData

the input buffer for this stream

SetOutput(TDes8 &)

IMPORT_C void

SetOutput

(

TDes8 &

aOutputData

)

Set the stream's output buffer

Parameters

TDes8 & aOutputData

the output buffer for this stream

TotalIn()

IMPORT_C TInt

TotalIn

(

)

const

Return the total number of input bytes read so far

TotalOut()

IMPORT_C TInt

TotalOut

(

)

const

Return the total number of bytes output so far

Member Enumerations Documentation

Enum anonymous

stream panic values

Enumerators

EStreamError = -Z_STREAM_ERROR
EDataError = -Z_DATA_ERROR
EBufError = -Z_BUF_ERROR
EVersionError = -Z_VERSION_ERROR
EUnexpected

Member Data Documentation

TInt iOutputBufferLength

TInt

iOutputBufferLength

[protected]

TUint8 * iOutputPointer

TUint8 *

iOutputPointer

[protected]

z_stream iStream

z_stream

iStream

[protected]