// Copyright (c) 2007-2010 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:

// Trace Core

//

#ifndef __TRACECORECOMMON_H__

#define __TRACECORECOMMON_H__

#include <opensystemtrace.h>

/**

 * Checks whether a given Group ID is valid or not

 *

 * @param aGroupId The group ID

 * @return ETrue if group ID is valid, EFalse if not

 */

inline TBool GroupIdIsValid( TUint32 aGroupId )

    {

    return aGroupId <= KMaxGroupId ;

    }

/**

 * Checks whether a given Component ID is valid or not

 *

 * @param aComponentId The component ID

 * @return ETrue if group ID is valid, EFalse if not

 */

inline TBool ComponentIdIsValid( TUint32 aComponentId )

    {

    return  aComponentId >0 ;

    }

/**

 * Converts aGroupId from a trace word to a group ID:

 * If aGroupId is 16-bit it is returned unchanged

 * If aGroupId is 32-bit the top 16-bits are returned

 * @param aGroupId The group ID

 * @return The part of the input parameter containing the group ID

 */

inline TUint32 FixGroupId( TUint32 aGroupId )

    {

    TUint32 groupId = aGroupId;

    // Get top 16 bits of groupId

    TUint32 top16bits = (groupId & 0xffff0000) >> GROUPIDSHIFT;

    // If top 16 bits are non-zero, assume they contain the Group ID

    if ( top16bits != 0 )

        {

        groupId = top16bits;

        }

    return groupId;

    }

#endif

// End of File