text: /****************************************************************************
  **
  ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
  ** All rights reserved.
  ** Contact: Nokia Corporation (qt-info@nokia.com)
  **
  ** This file is part of the QtCore module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** GNU Lesser General Public License Usage
  ** This file may be used under the terms of the GNU Lesser General Public
  ** License version 2.1 as published by the Free Software Foundation and
  ** appearing in the file LICENSE.LGPL included in the packaging of this
  ** file. Please review the following information to ensure the GNU Lesser
  ** General Public License version 2.1 requirements will be met:
  ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
  ** In addition, as a special exception, Nokia gives you certain additional
  ** rights. These rights are described in the Nokia Qt LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU General
  ** Public License version 3.0 as published by the Free Software Foundation
  ** and appearing in the file LICENSE.GPL included in the packaging of this
  ** file. Please review the following information to ensure the GNU General
  ** Public License version 3.0 requirements will be met:
  ** http://www.gnu.org/copyleft/gpl.html.
  **
  ** Other Usage
  ** Alternatively, this file may be used in accordance with the terms and
  ** conditions contained in a signed written agreement between you and Nokia.
  **
  **
  **
  **
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QSTACK_H
  #define QSTACK_H
  
  #include <QtCore/qvector.h>
  
  QT_BEGIN_HEADER
  
  QT_BEGIN_NAMESPACE
  
  QT_MODULE(Core)
  
  template<class T>
  class QStack : public QVector<T>
  {
  public:
      inline QStack() {}
      inline ~QStack() {}
      inline void swap(QStack<T> &other) { QVector<T>::swap(other); } // prevent QVector<->QStack swaps
      inline void push(const T &t) { QVector<T>::append(t); }
      T pop();
      T &top();
      const T &top() const;
  };
  
  template<class T>
  inline T QStack<T>::pop()
  { Q_ASSERT(!this->isEmpty()); T t = this->data()[this->size() -1];
    this->resize(this->size()-1); return t; }
  
  template<class T>
  inline T &QStack<T>::top()
  { Q_ASSERT(!this->isEmpty()); this->detach(); return this->data()[this->size()-1]; }
  
  template<class T>
  inline const T &QStack<T>::top() const
  { Q_ASSERT(!this->isEmpty()); return this->data()[this->size()-1]; }
  
  QT_END_NAMESPACE
  
  QT_END_HEADER
  
  #endif // QSTACK_H
  