// Copyright (c) 1999-2009 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:
// CMStack.inl
// 
//

#include <cmarkedstack.h>

/** Destructor.

It clears all marks.
*/
template <class T, TBool Owner>
inline CMarkedStack<T, Owner>::~CMarkedStack()
{
	iMarks.Clear();
}

/** Marks the stack's head item.

@param aMarkType Mark type
*/
template <class T, TBool Owner>
void 
inline CMarkedStack<T, Owner>::MarkL(TInt aMarkType)
	{
	TMarkPoint* point = new (ELeave) TMarkPoint(aMarkType, this->Count());
	iMarks.PushL(point);
	}

/** Removes all marks until a mark of the specified type is found.

@return Index of the stack item marked by the found mark
@param aMarkType Mark type
*/
template <class T, TBool Owner>
TInt 
inline CMarkedStack<T, Owner>::RemoveMark(TInt aMarkType)
	{
	TMarkPoint* point = NULL;
	do
		{
		delete point;
		point = iMarks.Pop();
		} while (point->iMarkType != aMarkType);
	TInt stackIndex = point->iStackIndex;
	delete point;
	return stackIndex;
	}

/** Pops and deletes items from the stack until the item marked with the specified mark type is at the head.

@param aMarkType Mark type
*/
template <class T, TBool Owner>
void 
inline CMarkedStack<T, Owner>::DeleteToMark(TInt aMarkType)
	{
	TInt lastMark = RemoveMark(aMarkType);
	while (this->Count() > lastMark)
		delete this->Pop();
	}

/** Pops items from the stack until the item marked with the specified mark type is at the head.

@param aMarkType Mark type
*/
template <class T, TBool Owner>
void 
inline CMarkedStack<T, Owner>::ResetToMark(TInt aMarkType)
	{
	TInt lastMark = RemoveMark(aMarkType);
	while (this->Count() > lastMark)
		this->Pop();
	}