CPGFStream Class Reference

Abstract stream base class. More...

#include <PGFstream.h>

Inheritance diagram for CPGFStream:

List of all members.

Public Member Functions
	CPGFStream ()
virtual	~CPGFStream ()
virtual void	Write (int *count, void *buffer)=0
virtual void	Read (int *count, void *buffer)=0
virtual void	SetPos (short posMode, INT64 posOff)=0
virtual UINT64	GetPos () const =0
virtual bool	IsValid () const =0

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Detailed Description

Abstract stream base class.

Abstract stream base class.

Author:

C. Stamm

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Constructor & Destructor Documentation

CPGFStream::CPGFStream

(

)

[inline]

Standard constructor.

Definition at line 43 of file PGFstream.h.

{}

virtual CPGFStream::~CPGFStream

(

)

[inline, virtual]

Standard destructor.

Definition at line 47 of file PGFstream.h.

{}

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Member Function Documentation

virtual UINT64 CPGFStream::GetPos

(

)

const [pure virtual]

Get current stream position.

Returns:

Current stream position

Implemented in CPGFMemoryStream, and CPGFFileStream.

virtual bool CPGFStream::IsValid

(

)

const [pure virtual]

Check stream validity.

Returns:

True if stream and current position is valid

Implemented in CPGFMemoryStream, and CPGFFileStream.

virtual void CPGFStream::Read	(	int *	count,
		void *	buffer
	)		[pure virtual]

Read some bytes from this stream and stores them into a buffer.

Parameters:

count	A pointer to a value containing the number of bytes should be read. After this call it contains the number of read bytes.
buffer	A memory buffer

Implemented in CPGFMemoryStream, and CPGFFileStream.

virtual void CPGFStream::SetPos	(	short	posMode,
		INT64	posOff
	)		[pure virtual]

Set stream position either absolute or relative.

Parameters:

posMode	A position mode (FSFromStart, FSFromCurrent, FSFromEnd)
posOff	A new stream position (absolute positioning) or a position offset (relative positioning)

Implemented in CPGFMemoryStream, and CPGFFileStream.

virtual void CPGFStream::Write	(	int *	count,
		void *	buffer
	)		[pure virtual]

Write some bytes out of a buffer into this stream.

Parameters:

count	A pointer to a value containing the number of bytes should be written. After this call it contains the number of written bytes.
buffer	A memory buffer

Implemented in CPGFMemoryStream, and CPGFFileStream.

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

• PGFstream.h