/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __PERSISTENCEUTILITY_H__

#define __PERSISTENCEUTILITY_H__

#include <cntitem.h>

#include <sqldb.h>

NONSHARABLE_CLASS(TCntPersistenceUtility)

	{

public:

	static void ReadBlobL(CContactItem& aItem, const CContactItemViewDef& aView, const CContactItem* aTemplate, RSqlDatabase& aDatabase);

	static void ReadTextBlobL(CEmbeddedStore& aTextHeaderStore, TPtrC& aTextValues, CContactItem& aItem, const CContactItemViewDef& aView, const CContactItem* aTemplate);

	static void ReadBinaryBlobL(CEmbeddedStore& aBinaryHeaderStore, CEmbeddedStore& aBinaryBlobStore, CContactItem& aItem, const CContactItemViewDef& aView, const CContactItem* aTemplate);

	static void WriteBlobL(CEmbeddedStore& aTextEmbeddedStore, RWriteStream& aTextValues, CEmbeddedStore& aBinaryEmbeddedStore, CEmbeddedStore& aBinaryEmbeddedBlobStore, const CContactItem& aItem, const CContactTemplate* aSysTemplate);

    static void ReadTextBlobL(RReadStream& aHeaderStream, const HBufC* aTextBuffer, const CContactTextDef& aTextDef, const CContactTemplate& aSystemTemplate, RPointerArray<CContactItemField>& aFields, TBool& aSearchFastAccessFields);	

	static TBool FindTxtFieldInTextBlobL(RReadStream& aHeaderStream, HBufC* aTextFieldsBuf, const CContactTemplate& aSystemTemplate, const TFieldType& aFieldType, TDes& aText);

	static TBool CopyMinFieldText(TPtrC aSrc,TDes& aDest);

	static TBool IsFastAccessField(TFieldType aFieldType);	

	static const TDesC& GetFastAccessColumnNameById(TInt32 aFieldUid);

	static void  ResetAndDestroyRPointerArray(TAny *aArray);

	//Functions for type flags

	static TInt  TypeFlagsToHint(TInt aTypeFlags);

	static TUid  TypeFlagsToContactTypeUid(TInt aTypeFlags);

    static TInt  ContactTypeUidToTypeFlags(TUid aContactTypeUid);

private:

	static void ReadTextBlobL(CContactItem& aItem, const CContactItemViewDef& aView, const CContactItem* aTemplate, RSqlDatabase& aDatabase);

	static void ReadBinaryBlobL(CContactItem& aItem, const CContactItemViewDef& aView, const CContactItem* aTemplate, RSqlDatabase& aDatabase);

	static HBufC* LoadTextStreamLC(RReadStream& aStream);

	static void RestoreTextL(CContactItemFieldSet& aFieldSet, CStreamStore& aHeaderStore, TStreamId aId, HBufC* textStream, const CContactItemViewDef& aViewDef, const CContactItem* aTemplate);

	static void RestoreBinaryL(CContactItemFieldSet& aFieldSet, CStreamStore& aHeaderStore, TStreamId aId, CStreamStore* aBlobStore, const CContactItemViewDef& aViewDef, const CContactItem* aTemplate);

	};

#endif