// 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__