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SubStreamBuf Class Reference

The streambuf object that implements ISubStream. More...

#include "subStreamBuf.h"

Inheritance diagram for SubStreamBuf:

Public Member Functions

 SubStreamBuf (const SubStreamBuf &copy)=delete
 
void close ()
 
void open (IStreamWrapper *source, OStreamWrapper *dest, std::streampos start, std::streampos end, bool append)
 
virtual std::streampos seekoff (std::streamoff off, ios_seekdir dir, ios_openmode which)
 Implements seeking within the stream. More...
 
virtual std::streampos seekpos (std::streampos pos, ios_openmode which)
 A variant on seekoff() to implement seeking within a stream. More...
 

Detailed Description

The streambuf object that implements ISubStream.

Definition at line 23 of file subStreamBuf.h.

Member Function Documentation

◆ seekoff()

streampos SubStreamBuf::seekoff ( std::streamoff  off,
ios_seekdir  dir,
ios_openmode  which 
)
virtual

Implements seeking within the stream.

Definition at line 130 of file subStreamBuf.cxx.

Referenced by seekpos().

◆ seekpos()

streampos SubStreamBuf::seekpos ( std::streampos  pos,
ios_openmode  which 
)
virtual

A variant on seekoff() to implement seeking within a stream.

The MSDN Library claims that it is only necessary to redefine seekoff(), and not seekpos() as well, as the default implementation of seekpos() is supposed to map to seekoff() exactly as I am doing here; but in fact it must do something else, because seeking didn't work on Windows until I redefined this function as well.

Definition at line 244 of file subStreamBuf.cxx.

References seekoff().


The documentation for this class was generated from the following files: