// Copyright (c) 2008-2009 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:

// e32\debug\crashMonitor\src\scmmulticrashinfo.cpp

// Class to store info about the crash flash to enable multiple crashes

// 

//

/**

 @file

 @internalTechnology

*/

#include <scmdatatypes.h>

namespace Debug

	{

	/**

	 * constructor

	 */

	SCMMultiCrashInfo::SCMMultiCrashInfo()

		: iFirstBlock(NULL)

		, iCurrentBlock(NULL)

		{	

		}

	/** 

	 * destructor 

	 */

	SCMMultiCrashInfo::~SCMMultiCrashInfo()

		{

		ClearList();

		}

	/** add a pointer to a block to the list - takes ownership of block

	 * @param SCMCrashBlockEntry* aBlockEntry block to add

	 */ 

	void SCMMultiCrashInfo::AddBlock(SCMCrashBlockEntry* aBlockEntry)

		{	

		if(aBlockEntry)

			{

			CLTRACE4("SCMMultiCrashInfo::AddBlock iBlockOffset = [%d] [0x%X] iBlockSize = [%d] [0x%X]"

				, aBlockEntry->iBlockOffset,aBlockEntry->iBlockOffset, aBlockEntry->iBlockSize, aBlockEntry->iBlockSize);

			if(!iFirstBlock)

				{

				// adding to empty list

				iFirstBlock = aBlockEntry;

				iCurrentBlock = iFirstBlock;

				}

			else

				{

				SCMCrashBlockEntry* p = iFirstBlock;	

				while(p->iNext)

					{

					p = p->iNext;

					}

				p->iNext = aBlockEntry;

				}

			}

		else

			{

			CLTRACE("SCMMultiCrashInfo::AddBlock Adding a NULL block !");	

			}

		}

	/** add a pointer to a block to the list - takes ownership of block 

	 * @return SCMCrashBlockEntry* returns NULL when no more blocks

	 * @param none

	 */ 

	SCMCrashBlockEntry* SCMMultiCrashInfo::GetNextBlock()

		{

		SCMCrashBlockEntry* p = iCurrentBlock;

		if(iCurrentBlock)

			{

			iCurrentBlock = iCurrentBlock->iNext;

			}

		return p; 

		}

	/** 

	 * sets current block to first in list 

	 */

	void SCMMultiCrashInfo::Reset()

		{

		iCurrentBlock = iFirstBlock;

		}

	/**

	 * Clears all entries in the list 

	 */

	void SCMMultiCrashInfo::ClearList()

		{

		SCMCrashBlockEntry* p = iFirstBlock;

		while(p)

			{

			SCMCrashBlockEntry* tmp = p;

			delete tmp;

			}

		iFirstBlock = iCurrentBlock = NULL;

		}

	}

//eof