contentmgmt/contentaccessfwfordrm/inc/StreamablePtrArray.inl
author Shabe Razvi <shaber@symbian.org>
Fri, 13 Nov 2009 15:55:01 +0000
branchRCL_1
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child 8 35751d3474b7
permissions -rw-r--r--
Added tag PDK_2.0.1 for changeset e60b2dbc57a0
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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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namespace ContentAccess
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{
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template <class T>
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inline RStreamablePtrArray<T>::RStreamablePtrArray()
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	{
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	}
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template <class T>
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inline void RStreamablePtrArray<T>::Close()
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	{
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	iArray.ResetAndDestroy();
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	}
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template <class T>
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inline void RStreamablePtrArray<T>::AppendL(T* aElement)
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	{
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	User::LeaveIfError(iArray.Append(aElement));
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	}
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template <class T>
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inline TInt RStreamablePtrArray<T>::Count() const
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	{
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	return iArray.Count();
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	}
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template <class T>
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inline T* RStreamablePtrArray<T>::operator [] (TInt aIndex) const
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	{
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	// case the value from the array back to its original type
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	return iArray[aIndex];
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	}
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template <class T>
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inline void RStreamablePtrArray<T>::ResetAndDestroy()
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	{
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	iArray.ResetAndDestroy();
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	}
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template <class T>		
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inline void RStreamablePtrArray<T>::InternalizeL(RReadStream& aStream)
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	{
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	TInt i;
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	// Read the number of CMetaData objects from the stream
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	TInt count = aStream.ReadInt32L();
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	// Read the objects from the stream and add them to the array
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	for(i = 0; i < count; i++)
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		{
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		// create a new T object from the stream using the supplied factory function
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		T* element = T::NewL(aStream);
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		CleanupStack::PushL(element);
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		AppendL(element);
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		// Finished with cleanup stack, element now owned by the array so don't delete
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		CleanupStack::Pop(element);
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		}
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	}
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template <class T>
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inline void RStreamablePtrArray<T>::ExternalizeL(RWriteStream& aStream) const
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	{	
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	TInt i;
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	// Write the total number of elements to the stream
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	aStream.WriteInt32L(iArray.Count());
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	// Ask the array elements to write themselves to the stream one by one 
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	for(i = 0; i < iArray.Count();i++)
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		{
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		iArray[i]->ExternalizeL(aStream);
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		}
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	}
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template <class T>
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inline void RStreamablePtrArray<T>::RemoveL(TInt aIndex)
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	{
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	if ( (aIndex >= iArray.Count()) || (aIndex < 0) )
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		{
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		User::Leave(KErrArgument);
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		}
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	iArray.Remove(aIndex);
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	}
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}