growingq.h
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上传日期:2007-06-06
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- /* ***** 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 ***** */
- /*******************************************************************
- *
- * NAME: GrowingQ.h
- *
- * CLASS:
- * CBigByteGrowingQueue definition & declaration
- *
- * DESCRIPTION:
- * Class declaration for a CBigByteQueue that automaticlly grows
- * on EnQueue. also adds an EnQueue that queues a string
- *
- *******************************************************************/
- #ifndef _GROWINGQ_H_
- #define _GROWINGQ_H_
- #include "cbbqueue.h"
- #include "cbqueue.h"
- class CBigByteGrowingQueue: public CBigByteQueue
- {
- public:
- CBigByteGrowingQueue(UINT32 ulSize) :
- CBigByteQueue(ulSize) {}
- UINT32 EnQueue( void *pInBuffer, UINT32 ulItemCount )
- {
- if ( GetAvailableElements() < ulItemCount )
- {
- HX_VERIFY(Grow(ulItemCount) == 1);
- }
- return CBigByteQueue::EnQueue(pInBuffer, ulItemCount );
- }
- UINT32 EnQueue( const char* pBuf )
- {
- return EnQueue((char*)pBuf, strlen(pBuf));
- }
- };
- class CByteGrowingQueue: public CByteQueue
- {
- public:
- CByteGrowingQueue(UINT16 nSize, UINT16 nGranularity = 1) :
- CByteQueue(nSize, nGranularity) {}
- UINT16 EnQueue( void *pInBuffer, UINT16 nItemCount )
- {
- if (GetAvailableElements() < nItemCount)
- {
- HX_VERIFY(Grow(nItemCount) == 1);
- }
- return CByteQueue::EnQueue(pInBuffer, nItemCount);
- }
- };
- #endif // _GROWINGQ_H