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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt3Support module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef Q3PTRQUEUE_H |
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43 #define Q3PTRQUEUE_H |
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44 |
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45 #include <Qt3Support/q3glist.h> |
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46 |
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47 QT_BEGIN_HEADER |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 QT_MODULE(Qt3SupportLight) |
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52 |
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53 template<class type> |
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54 class Q3PtrQueue : protected Q3GList |
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55 { |
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56 public: |
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57 Q3PtrQueue() {} |
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58 Q3PtrQueue( const Q3PtrQueue<type> &q ) : Q3GList(q) {} |
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59 ~Q3PtrQueue() { clear(); } |
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60 Q3PtrQueue<type>& operator=(const Q3PtrQueue<type> &q) |
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61 { return (Q3PtrQueue<type>&)Q3GList::operator=(q); } |
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62 bool autoDelete() const { return Q3PtrCollection::autoDelete(); } |
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63 void setAutoDelete( bool del ) { Q3PtrCollection::setAutoDelete(del); } |
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64 uint count() const { return Q3GList::count(); } |
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65 bool isEmpty() const { return Q3GList::count() == 0; } |
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66 void enqueue( const type *d ) { Q3GList::append(Item(d)); } |
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67 type *dequeue() { return (type *)Q3GList::takeFirst();} |
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68 bool remove() { return Q3GList::removeFirst(); } |
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69 void clear() { Q3GList::clear(); } |
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70 type *head() const { return (type *)Q3GList::cfirst(); } |
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71 operator type *() const { return (type *)Q3GList::cfirst(); } |
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72 type *current() const { return (type *)Q3GList::cfirst(); } |
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73 |
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74 #ifdef qdoc |
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75 protected: |
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76 virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& ); |
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77 virtual QDataStream& write( QDataStream&, Q3PtrCollection::Item ) const; |
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78 #endif |
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79 |
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80 private: |
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81 void deleteItem( Item d ); |
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82 }; |
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83 |
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84 #if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION) |
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85 template<> inline void Q3PtrQueue<void>::deleteItem( Q3PtrCollection::Item ) |
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86 { |
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87 } |
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88 #endif |
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89 |
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90 template<class type> inline void Q3PtrQueue<type>::deleteItem( Q3PtrCollection::Item d ) |
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91 { |
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92 if ( del_item ) delete (type *)d; |
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93 } |
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94 |
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95 QT_END_NAMESPACE |
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96 |
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97 QT_END_HEADER |
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98 |
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99 #endif // Q3PTRQUEUE_H |