// Copyright (c) 2000-2009 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:

//

#ifndef __CSTACK_INL__

#define __CSTACK_INL__

// constants

const TInt KStackGranularity=32;

enum TCStackPanic

	{

	ECStackErrStackIsEmpty,

	ECStackDeleteWhenNotOwner,

	ECStackPopsWhenOwner

	};

_LIT(KCStackPanicName, "CStack");

inline void Panic(TCStackPanic aPanic)

	{

	User::Panic(KCStackPanicName, aPanic);

	}

//

// CStack

//

template <class T, TBool StackOwnsEntry>

inline CStack<T, StackOwnsEntry>::CStack()

: CArrayPtrSeg<T>(KStackGranularity)

	{

	this->Reset();

	}

template <class T, TBool StackOwnsEntry>

inline CStack<T, StackOwnsEntry>::~CStack()

	{ 

	Clear();

	}

template <class T, TBool StackOwnsEntry>

inline void CStack<T, StackOwnsEntry>::Clear() 

	{ 

	if (StackOwnsEntry) 

		this->ResetAndDestroy(); 

	else 

		this->Reset(); 

	}

template <class T, TBool StackOwnsEntry>

inline TBool CStack<T, StackOwnsEntry>::IsEmpty() const 

	{ 

	return this->Count()==0;

	}

template <class T, TBool StackOwnsEntry>

inline void CStack<T, StackOwnsEntry>::PushL(T* aItem) 

	{

	if (StackOwnsEntry)

		CleanupStack::PushL(aItem); 

	this->AppendL(aItem); 

	if (StackOwnsEntry)

		CleanupStack::Pop();

	}

template <class T, TBool StackOwnsEntry>

inline T* CStack<T, StackOwnsEntry>::Pop() 

	{

	__ASSERT_DEBUG(!IsEmpty(), Panic(ECStackErrStackIsEmpty));

	T* item=Head(); 

	this->Delete(this->Count()-1);

	return item;

	}

template <class T, TBool StackOwnsEntry>

inline T* CStack<T, StackOwnsEntry>::Head() const 

	{

	__ASSERT_DEBUG(!IsEmpty(), Panic(ECStackErrStackIsEmpty));

	return this->At(this->Count()-1);

	}

template <class T, TBool StackOwnsEntry>

inline T* CStack<T, StackOwnsEntry>::Last() const 

	{

	__ASSERT_DEBUG(!IsEmpty(), Panic(ECStackErrStackIsEmpty));

	return this->At(0);

	}

#endif // __CSTACK_INL__