// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.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();

	}