RWInputStreamImp

Module:  Advanced Tools   Package:  Streams

RWInputStreamImp  RWStreamImp  RWBodyBase

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

Members

available() isEof()

RWInputStreamImp() skip()

~RWInputStreamImp()

#include <rw/stream/RWInputStreamImp.h>

Abstract base class for all the input stream implementation classes. Implements the body idiom from the handle-body pattern.

RWInputStreamImp();

Constructor.

virtual 
~RWInputStreamImp();

Destructor.

virtual RWSize 
available() const =0;

Returns the number of available elements that can be read from the stream without blocking. The type of the elements read is specified by derived classes and can be one of the following: RWByte, char, RWUChar, or wchar_t. Throws no exceptions.

virtual bool 
isEof() const =0; 

Returns true to indicate that an input operation reached the end of an input sequence. Throws no exceptions.

virtual RWSize 
skip(RWSize numUnits) =0;

Skips numUnits elements from the input sequence if possible. The function returns the actual number of elements skipped, which can be any value between 0 and numUnits. The type of the elements skipped is specified by derived classes and can be one of the following: RWByte, char, RWUChar, or wchar_t.

Parameter List

numUnits

The number of elements to be skipped.

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