src/qt3support/tools/q3ptrstack.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/tools/q3ptrstack.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt3Support module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3PTRSTACK_H
+#define Q3PTRSTACK_H
+
+#include <Qt3Support/q3glist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3SupportLight)
+
+template<class type>
+class Q3PtrStack : protected Q3GList
+{
+public:
+    Q3PtrStack()				{ }
+    Q3PtrStack( const Q3PtrStack<type> &s ) : Q3GList( s ) { }
+    ~Q3PtrStack()			{ clear(); }
+    Q3PtrStack<type> &operator=(const Q3PtrStack<type> &s)
+			{ return (Q3PtrStack<type>&)Q3GList::operator=(s); }
+    bool  autoDelete() const		{ return Q3PtrCollection::autoDelete(); }
+    void  setAutoDelete( bool del )	{ Q3PtrCollection::setAutoDelete(del); }
+    uint  count()   const		{ return Q3GList::count(); }
+    bool  isEmpty() const		{ return Q3GList::count() == 0; }
+    void  push( const type *d )		{ Q3GList::insertAt(0,Item(d)); }
+    type *pop()				{ return (type *)Q3GList::takeFirst(); }
+    bool  remove()			{ return Q3GList::removeFirst(); }
+    void  clear()			{ Q3GList::clear(); }
+    type *top()	    const		{ return (type *)Q3GList::cfirst(); }
+	  operator type *() const	{ return (type *)Q3GList::cfirst(); }
+    type *current() const		{ return (type *)Q3GList::cfirst(); }
+
+#ifdef qdoc
+protected:
+    virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& );
+    virtual QDataStream& write( QDataStream&, Q3PtrCollection::Item ) const;
+#endif
+
+private:
+    void  deleteItem( Item d );
+};
+
+#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
+template<> inline void Q3PtrStack<void>::deleteItem( Q3PtrCollection::Item )
+{
+}
+#endif
+
+template<class type> inline void Q3PtrStack<type>::deleteItem( Q3PtrCollection::Item d )
+{
+    if ( del_item ) delete (type *)d;
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3PTRSTACK_H