RWFilteredByteOutputStreamImp

Module:  Advanced Tools   Package:  Streams

RWFilteredByteOutputStreamImp  RWByteOutputStreamImp  
    RWOutputStreamImp  RWStreamImp  RWBodyBase

• Local Index
• Header File
• Description
• Protected Constructor
• Public Destructor
• Public Member Functions
• Protected Member Functions

Members

close() flush() getSinkStream()

isBad() isFail() isGood()

RWFilteredByteOutputStreamImp() write() ~RWFilteredByteOutputStreamImp()

#include <rw/stream/RWFilteredByteOutputStreamImp.h>

Abstract base class for all the filtered binary output stream implementation classes. A filtered output stream is a stream that process elements and then forwards the result to another stream for further processing. Implements the body idiom from the handle-body pattern.

RWFilteredByteOutputStreamImp(RWByteOutputStream& sinkStream);

Used by derived classes to initialize the next processing stream.

Parameter List

sinkStream

A handle to the next processing stream.

virtual 
~RWFilteredByteOutputStreamImp();

Destructor.

virtual void 
close();

Forwards the close() request to the next processing stream.

virtual void 
flush();

Forwards the flush() request to the next processing stream.

virtual bool 
isBad() const;

Forwards the isBad() request to the next processing stream. Throws no exceptions.

virtual bool 
isFail() const;

Forwards the isFail() request to the next processing stream. Throws no exceptions.

virtual bool 
isGood() const;

Forwards the isGood() request to the next processing stream. Throws no exceptions.

virtual void 
write(RWByte byteValue);

Forwards the writing of a single byte to the next processing stream.

Parameter List

byteValue

The byte to be written.

virtual void 
write(const RWByte* byteArray, RWSize numBytes);

Forwards the writing of an array of bytes to the next processing stream.

Parameter List

byteArray	A pointer to the first element of the array.
numBytes	The number of bytes to be written to the stream.

RWByteOutputStream& 
getSinkStream();

const RWByteOutputStream& 
getSinkStream() const;

These functions return a handle to the next processing stream. They throw no exceptions.

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