// Copyright (c) 2007-2009 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:

// ULogger plug-in base class

// 

//

/**

 @file

 @internalTechnology

 @prototype

*/

#ifndef __ULOGGERTOOLS_H__

#define __ULOGGERTOOLS_H__

#include <e32base.h>

#include <s32mem.h>

namespace Ulogger

{

//utility templates

/*!Externilize T array to HBufC8 stream.

This is for internal use only.

*/

template<class T> HBufC8* ExternalizeToBufL(const T& aArray, TInt aElementSize)

	{

	CBufFlat* buf = CBufFlat::NewL(1 + aArray.Count()*aElementSize);

	CleanupStack::PushL(buf);

	RBufWriteStream stream(*buf);

	CleanupClosePushL(stream);

	for (TInt i=0; i<aArray.Count(); ++i)

		stream << aArray[i];

	CleanupStack::PopAndDestroy(&stream); //close

	HBufC8* des = HBufC8::NewL(buf->Size());

	TPtr8 ptr(des->Des());

	buf->Read(0, ptr, buf->Size());

	CleanupStack::PopAndDestroy(buf);

	return des;

	}	

/*!Internalize stream to array.

This is for internal use only.

*/

template<class T, class T2> void InternalizeFromBufL(const TDesC8& aBuf, T& aArray, T2 aArrayMember)

	{

	TInt elements = (TInt)aBuf.Length()/sizeof(T2);

	RDesReadStream stream(aBuf);

	CleanupClosePushL(stream);

	for(TInt i=0; i<elements; ++i)

		{

		stream >> aArrayMember;

		aArray.AppendL(aArrayMember);

		}

	CleanupStack::PopAndDestroy(&stream); //close

	}

void ResetAndDestroyPtrArray(TAny* aPtr)

	{

	(STATIC_CAST(RPointerArray<HBufC>*,aPtr))->ResetAndDestroy();

	(STATIC_CAST(RPointerArray<HBufC>*,aPtr))->Close();

	}

}

#endif //__ULOGGERTOOLS_H__