1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt3Support module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef Q3PTRSTACK_H 43 #define Q3PTRSTACK_H 44 45 #include <Qt3Support/q3glist.h> 46 47 QT_BEGIN_HEADER 48 49 QT_BEGIN_NAMESPACE 50 QT_MODULE(Qt3SupportLight)51QT_MODULE(Qt3SupportLight) 52 53 template<class type> 54 class Q3PtrStack : protected Q3GList 55 { 56 public: 57 Q3PtrStack() { } 58 Q3PtrStack( const Q3PtrStack<type> &s ) : Q3GList( s ) { } 59 ~Q3PtrStack() { clear(); } 60 Q3PtrStack<type> &operator=(const Q3PtrStack<type> &s) 61 { return (Q3PtrStack<type>&)Q3GList::operator=(s); } 62 bool autoDelete() const { return Q3PtrCollection::autoDelete(); } 63 void setAutoDelete( bool del ) { Q3PtrCollection::setAutoDelete(del); } 64 uint count() const { return Q3GList::count(); } 65 bool isEmpty() const { return Q3GList::count() == 0; } 66 void push( const type *d ) { Q3GList::insertAt(0,Item(d)); } 67 type *pop() { return (type *)Q3GList::takeFirst(); } 68 bool remove() { return Q3GList::removeFirst(); } 69 void clear() { Q3GList::clear(); } 70 type *top() const { return (type *)Q3GList::cfirst(); } 71 operator type *() const { return (type *)Q3GList::cfirst(); } 72 type *current() const { return (type *)Q3GList::cfirst(); } 73 74 #ifdef qdoc 75 protected: 76 virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& ); 77 virtual QDataStream& write( QDataStream&, Q3PtrCollection::Item ) const; 78 #endif 79 80 private: 81 void deleteItem( Item d ); 82 }; 83 84 #if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION) deleteItem(Q3PtrCollection::Item)85template<> inline void Q3PtrStack<void>::deleteItem( Q3PtrCollection::Item ) 86 { 87 } 88 #endif 89 deleteItem(Q3PtrCollection::Item d)90template<class type> inline void Q3PtrStack<type>::deleteItem( Q3PtrCollection::Item d ) 91 { 92 if ( del_item ) delete (type *)d; 93 } 94 95 QT_END_NAMESPACE 96 97 QT_END_HEADER 98 99 #endif // Q3PTRSTACK_H 100