/*

* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

* Utility functions for streaming arrays.

*

*/

/**

 @file 

 @released

 @internalComponent 

*/

#ifndef __ARRAYUTILS_H_

#define __ARRAYUTILS_H_

#include <s32strm.h>

namespace AuthServer

{

/////////////////////////////////////////////////////////////////////

// RPointerArray utilities

/////////////////////////////////////////////////////////////////////

template <class T>

void ExternalizePointerArrayL(const RPointerArray<T>& aArray, RWriteStream& aStream);

template <class T>

void InternalizePointerArrayL(RPointerArray<T>& aArray, RReadStream& aStream);

/////////////////////////////////////////////////////////////////////

// RArray utilities

/////////////////////////////////////////////////////////////////////

template <class T>

void ExternalizeArrayL(const RArray<T>& aArray, RWriteStream& aStream);

template <class T>

void InternalizeArrayL(RArray<T>& aArray, RReadStream& aStream);

/////////////////////////////////////////////////////////////////////

// Traits classes - internally required by RPointerArray functions

/////////////////////////////////////////////////////////////////////

template <class T>

class TTraits

	{

public:

	static T* ReadFromStreamLC(RReadStream& aStream) { return T::NewLC(aStream); }

	static void WriteToStreamL(const T& aItem, RWriteStream& aStream) { aStream << aItem; }

	};

// Specialisation for HBufs

template <>

class TTraits<HBufC16>

	{

public:

	static HBufC16* ReadFromStreamLC(RReadStream& aStream) { return HBufC16::NewLC(aStream, KMaxTInt); }

	static void WriteToStreamL(const HBufC16& aItem, RWriteStream& aStream) { aStream << aItem; }

	};

#include "arrayutils.inl"

} // namespace AuthServer

#endif  // __ARRAYUTILS_H_