os/security/contentmgmt/contentaccessfwfordrm/inc/StreamablePtrArray.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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* Copyright (c) 2004-2009 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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*
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*/
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/**
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 @file
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 @publishedAll
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 @released
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*/
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#ifndef __STREAMABLEPTRARRAY_H__
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#define __STREAMABLEPTRARRAY_H__
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#include <e32base.h>
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#include <s32strm.h>
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namespace ContentAccess
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	{
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	/** Template class used to store an array of pointers that can also write itself to a stream
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	The RStreamablePtrArray owns all the elements contained within it. The close 
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	function must be called before the RStreamablePtrArray goes out of scope.
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	The close function frees all resources and deletes all array elements
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	The array can be streamed using the InternalizeL() and ExternalizeL() functions
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  	*/
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	template <class T>
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		class RStreamablePtrArray
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		{
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	public:
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		/** Constructor */
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		inline RStreamablePtrArray();	
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		/** Free all resources held by the array 
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		Calls ResetAndDestroy();
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		*/
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		inline void Close();
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		/** Append an element to the array
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		Ownership of the pointer is transferred to the array
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		@param aElement The item to add to the array
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		*/
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		inline void AppendL(T* aElement);
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		/** Count the number of objects in the array */
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		inline TInt Count() const;
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		/** Return a pointer to an element at a given index in the array
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		@param aIndex The zero based index in the array, must be less than Count()
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		@return A pointer to the object stored in the array
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		*/
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		inline T* operator [] (TInt aIndex) const;
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		/** Delete all elements in the array*/
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		inline void ResetAndDestroy();
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		/** Add array elements from a stream */
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		inline void InternalizeL(RReadStream& aStream);
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		/** Write the entire array to a stream */
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		inline void ExternalizeL(RWriteStream& aStream) const;
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		/** Remove an element from the array.
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		    Note that the function does not delete the pointer.
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		 */
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		inline void RemoveL(TInt aIndex);
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	private:
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		RPointerArray <T> iArray;
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		};
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	}
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// include inline function definitions
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#include <caf/streamableptrarray.inl>
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#endif