| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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|
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#ifndef __MMFFIFO_H_ |
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#define __MMFFIFO_H_ |
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|
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// standard EPOC include header files |
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#include <e32base.h> |
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#include <e32std.h> |
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|
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|
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/** |
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Class for storing stream data |
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*/ |
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class TMMFFifoItemBase |
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{
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public: |
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static const TInt iOffset; |
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private: |
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TSglQueLink iSlink; |
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}; |
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|
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template<class T> |
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class TMMFFifoItem : public TMMFFifoItemBase |
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{
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public: |
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inline TMMFFifoItem(T& aData); |
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inline T& GetData(); |
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private: |
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T& iData; |
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}; |
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|
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/** |
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Class for processing stream data queue (add, get, remove etc) |
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*/ |
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class CMMFFifoBase : public CBase |
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{
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public: |
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virtual ~CMMFFifoBase(); |
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TBool IsEmpty(); |
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void AddToFifo(TMMFFifoItemBase& aItem); |
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protected: |
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CMMFFifoBase(); |
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void RemoveFirstItemBase(); |
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TMMFFifoItemBase* GetBase(); |
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private: |
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TSglQue<TMMFFifoItemBase> iFifo; |
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TSglQueIter<TMMFFifoItemBase> iFifoIter; |
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}; |
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|
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template<class T> |
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class CMMFFifo : public CMMFFifoBase |
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{
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public: |
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inline void RemoveFirstItem(); |
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inline TMMFFifoItem<T>* Get(); |
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}; |
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|
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|
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template <class T> |
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TMMFFifoItem<T>::TMMFFifoItem(T& aData) |
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: iData(aData) |
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{}
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|
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template <class T> |
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T& TMMFFifoItem<T>::GetData() |
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{ return iData; }
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|
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// |
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|
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template <class T> |
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void CMMFFifo<T>::RemoveFirstItem() |
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{ RemoveFirstItemBase(); }
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|
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template <class T> |
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inline TMMFFifoItem<T>* CMMFFifo<T>::Get() |
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{ return STATIC_CAST(TMMFFifoItem<T>*, GetBase()); }
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#endif |