IMemoryStreamData.h

//========================================================================================
// 
// $File$
// 
// Owner: Michael Martz
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
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// 
// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
// 
// Purpose:
// Data interface for attaching an IXferBytes to a stream. 
// 
// Streams are usually accessed via the helper functions in StreamUtils: 
// you probably will not need direct access to this interface.
// 
// When using the memory stream objects, it is typical to use a MemXferBytes object
// as the underlying xferbytes. However, it is not necessary. Any xferBytes could be used
// as long as it is self contained (initializes within its constructor.
// 
//========================================================================================

#ifndef _IMemoryStreamData_
#define _IMemoryStreamData_

#include "IPMUnknown.h"
#include "ShuksanID.h"

class IXferBytes;

class IMemoryStreamData : public IPMUnknown
 {
 public:
 enum { kDefaultIID = IID_IMEMORYSTREAMDATA };
 

 virtual void Set(IXferBytes* underlyingXferBytes, bool16 takeOwnership = kFalse) = 0;

 virtual IXferBytes* GetXferBytes() const = 0;

 virtual bool16 IsOwnedXferBytes() const = 0;
 };


#endif // _IMemoryStreamData_