/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* 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: 

*

*/

/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: RefStackOf.c 568078 2007-08-21 11:43:25Z amassari $

 */

// ---------------------------------------------------------------------------

//  Includes

// ---------------------------------------------------------------------------

#if defined(XERCES_TMPLSINC)

#include <xercesc/util/RefStackOf.hpp>

#endif

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------

//  RefStackOf: Constructors and Destructor

// ---------------------------------------------------------------------------

template <class TElem>

RefStackOf<TElem>::RefStackOf(const unsigned int initElems,

                              const bool adoptElems,

                              MemoryManager* const manager) :

    fVector(initElems, adoptElems, manager)

{

}

template <class TElem> RefStackOf<TElem>::~RefStackOf()

{

}

// ---------------------------------------------------------------------------

//  RefStackOf: Element management methods

// ---------------------------------------------------------------------------

template <class TElem> const TElem* RefStackOf<TElem>::

elementAt(const unsigned int index) const

{

    if (index > fVector.size())

        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Stack_BadIndex, fVector.getMemoryManager());

    return fVector.elementAt(index);

}

template <class TElem> void RefStackOf<TElem>::push(TElem* const toPush)

{

    fVector.addElement(toPush);

}

template <class TElem> const TElem* RefStackOf<TElem>::peek() const

{

    const int curSize = fVector.size();

    if (curSize == 0)

        ThrowXMLwithMemMgr(EmptyStackException, XMLExcepts::Stack_EmptyStack, fVector.getMemoryManager());

    return fVector.elementAt(curSize-1);

}

template <class TElem> TElem* RefStackOf<TElem>::pop()

{

    const int curSize = fVector.size();

    if (curSize == 0)

        ThrowXMLwithMemMgr(EmptyStackException, XMLExcepts::Stack_EmptyStack, fVector.getMemoryManager());

    // Orphan off the element from the last slot in the vector

    return fVector.orphanElementAt(curSize-1);

}

template <class TElem> void RefStackOf<TElem>::removeAllElements()

{

    fVector.removeAllElements();

}

// ---------------------------------------------------------------------------

//  RefStackOf: Getter methods

// ---------------------------------------------------------------------------

template <class TElem> bool RefStackOf<TElem>::empty()

{

    return (fVector.size() == 0);

}

template <class TElem> unsigned int RefStackOf<TElem>::curCapacity()

{

    return fVector.curCapacity();

}

template <class TElem> unsigned int RefStackOf<TElem>::size()

{

    return fVector.size();

}

// ---------------------------------------------------------------------------

//  RefStackEnumerator: Constructors and Destructor

// ---------------------------------------------------------------------------

template <class TElem> RefStackEnumerator<TElem>::

RefStackEnumerator(         RefStackOf<TElem>* const    toEnum

                    , const bool                        adopt) :

    fAdopted(adopt)

    , fCurIndex(0)

    , fToEnum(toEnum)

    , fVector(&toEnum->fVector)

{

}

template <class TElem> RefStackEnumerator<TElem>::~RefStackEnumerator()

{

    if (fAdopted)

        delete fToEnum;

}

// ---------------------------------------------------------------------------

//  RefStackEnumerator: Enum interface

// ---------------------------------------------------------------------------

template <class TElem> bool RefStackEnumerator<TElem>::hasMoreElements() const

{

    if (fCurIndex >= fVector->size())

        return false;

    return true;

}

template <class TElem> TElem& RefStackEnumerator<TElem>::nextElement()

{

    return *fVector->elementAt(fCurIndex++);

}

template <class TElem> void RefStackEnumerator<TElem>::Reset()

{

    fCurIndex = 0;

}

XERCES_CPP_NAMESPACE_END