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// Copyright (c) 1998-2009 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 the License "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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// f32\sfat\inc\sl_disk.h
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//
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//
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/**
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@file
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@internalTechnology
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*/
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#if !defined(__SL_DISK_H__)
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#define __SL_DISK_H__
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#include "sl_std.h"
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//---------------------------------------------------------------------------------------------------------------------------------
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class MWTCacheInterface;
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class CAtaDisk : public CRawDisk
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{
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public:
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static CAtaDisk* NewL(CFatMountCB& aFatMount);
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CAtaDisk(CFatMountCB& aFatMount);
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~CAtaDisk();
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void ConstructL();
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void InitializeL();
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public:
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void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const;
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void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
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void InvalidateUidCache();
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virtual void InvalidateUidCachePage(TUint64 aPos);
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void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
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void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
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virtual TInt GetLastErrorInfo(TDes8& aErrorInfo) const;
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MWTCacheInterface* DirCacheInterface();
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private:
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TDriveInterface& iDrive; ///< Driver's interface to access the media
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MWTCacheInterface* ipDirCache; ///< pointer to the FAT Directory cache object
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MWTCacheInterface* iUidCache; ///< pointer to the UID cache object
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};
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//---------------------------------------------------------------------------------------------------------------------------------
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class CRamDisk : public CRawDisk
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{
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public:
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static CRamDisk* NewL(CFatMountCB& aFatMount);
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CRamDisk(CFatMountCB& aFatMount);
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void InitializeL();
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public:
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void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const;
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void WriteCachedL(TInt64 aPos,const TDesC8& aDes);
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void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;
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void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);
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private:
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inline TUint8 *RamDiskBase() const;
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private:
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TUint8* iRamDiskBase; ///< pointer to the beginning of the RAM disk memory area
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};
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//---------------------------------------------------------------------------------------------------------------------------------
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#include "sl_disk.inl"
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#endif //__SL_DISK_H__
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