nestbuff.h
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:3k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef NESTBUFF_H
- #define NESTBUFF_H
- // Forward declarations
- class CHXBaseCountingObject;
- typedef _INTERFACE IHXBuffer IHXBuffer;
- class CHXNestedBuffer : public CHXBaseCountingObject,
- public IHXBuffer
- {
- public:
- CHXNestedBuffer();
- virtual ~CHXNestedBuffer();
- // IUnknown methods
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void** ppvObj);
- STDMETHOD_(UINT32,AddRef) (THIS);
- STDMETHOD_(UINT32,Release) (THIS);
- // IHXBuffer methods
- STDMETHOD(Get) (THIS_ REF(UCHAR*) pData, REF(ULONG32) ulLength);
- STDMETHOD(Set) (THIS_ const UCHAR* pData, ULONG32 ulLength);
- STDMETHOD(SetSize) (THIS_ ULONG32 ulLength);
- STDMETHOD_(ULONG32,GetSize) (THIS);
- STDMETHOD_(UCHAR*,GetBuffer) (THIS);
- // CHXNestedBuffer methods
- STDMETHOD(Init) (THIS_ IHXBuffer* pBuffer, UINT32 ulOffset, UINT32 ulSize);
- // CUnknownIMP left-over method to support
- static HX_RESULT CreateObject(CHXNestedBuffer** ppObj);
- // One-shot creation method
- static HX_RESULT CreateNestedBuffer(IHXBuffer* pBuffer, UINT32 ulOffset,
- UINT32 ulSize, REF(IHXBuffer*) rpNestedBuffer);
- protected:
- INT32 m_lRefCount;
- IHXBuffer* m_pBuffer;
- UINT32 m_ulOffset;
- UINT32 m_ulSize;
- };
- #endif