// 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__