/** Copyright (c) 2005 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: Provides cleanup item to push ResetAndDestroy calls to * cleanup stack. It is heavily used for RPointerArrays, * which are used all over Symbian's CalenInterimAPI. * Implementation is more or less copy-paste of * cleanup item of Close method and CleanupClosePushL **/#ifndef __CLEANUPRESETANDDESTROY_H__#define __CLEANUPRESETANDDESTROY_H__/** * A utility class used by the templated function CleanupResetAndDestroyPushL() * to create a TCleanupItem item that will perform a close type operation on * the class T type object. **/template <class T>class CleanupResetAndDestroy{ public: inline static void PushL(T& aRef); private: static void ResetAndDestroy(TAny *aPtr);};/** * Constructs and pushes a TCleanupItem object onto the cleanup stack. * * The TCleanupItem encapsulates: * * 1. a reference aRef to the object of type class T which is to be cleaned up * 2. an associated cleanup operation. * * The cleanup operation is the private static function ResetAndDestroy() of * the templated class CleanupResetAndDestroy and is invoked as a result of * a subsequent call to CleanupStack::PopAndDestroy(). * * CleanupResetAndDestroy::ResetAndDestroy() is passed a pointer to the * class T object to be cleaned up, and the function implements cleanup by * calling ResetAndDestroy() on the passed object. * The class T object must, therefore, define and implement (or inherit) a * ResetAndDestroy() member function. * * RPointerArray<HBufC> buffers; * CleanupResetAndDestroyPushL( buffers ); * buffers.Append( HBufC::NewL(100) ); * ... * CleanupStack::PopAndDestroy(); // <--- results in ResetAndDestroy() being called on "buffers". * ... * @endcode * * @param aRef A reference to a class T type object for which the cleanup item is being created. * @see TCleanupItem * @see CleanupResetAndDestroy * @see CleanupStack::PopAndDestroy() **/template <class T>inline void CleanupResetAndDestroyPushL(T& aRef);#include "CleanupResetAndDestroy.inl"#endif //__CLEANUPRESETANDDESTROY_H__// End of File