emailservices/emailcommon/inc/nmcleanuputils.h
author hgs
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/*
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* Copyright (c) 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: General utilities for CleanupStack usage
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*
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*/
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#ifndef NMCLEANUPUTILS_H
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#define NMCLEANUPUTILS_H
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/**
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 * Cleanup support for pointer arrays
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 * @since S60 v10.1
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   @code
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       RPointerArray<HBufC> descArray;
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       CleanupResetAndRelease<HBufC>::PushL( descArray );
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       // <here some code that might leave>
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       CleanupStack::PopAndDestroy();
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   @endcode
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 */
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template<class T>
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NONSHARABLE_CLASS( CleanupResetAndDestroy )
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{
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public:
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    /**
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     * Cleanup for elements containing Release() method
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     */
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    inline static void PushL( RPointerArray<T>& aItem ){
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        TCleanupItem item( &CleanupResetAndDestroy<T>::ResetAndDestroy, &aItem );
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        CleanupStack::PushL( item );
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    };
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    /**
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     * Releases array elements and resets array.
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     */
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    inline static void ResetAndDestroy( TAny* aPtr ) {
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        RPointerArray<T>* array = reinterpret_cast<RPointerArray<T>* >( aPtr );
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        array->ResetAndDestroy();
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    };
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};
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#endif // NMCLEANUPUTILS_H