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29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QTESTCORELIST_H |
43 | #define QTESTCORELIST_H |
44 | |
45 | #include <QtCore/qglobal.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Test) |
52 | |
53 | template <class T> |
54 | class QTestCoreList |
55 | { |
56 | public: |
57 | QTestCoreList(); |
58 | virtual ~QTestCoreList(); |
59 | |
60 | void addToList(T **list); |
61 | T *nextElement(); |
62 | T *previousElement(); |
63 | int count(T *list); |
64 | int count(); |
65 | |
66 | private: |
67 | T *next; |
68 | T *prev; |
69 | }; |
70 | |
71 | template <class T> |
72 | QTestCoreList<T>::QTestCoreList() |
73 | :next(0) |
74 | ,prev(0) |
75 | { |
76 | } |
77 | |
78 | template <class T> |
79 | QTestCoreList<T>::~QTestCoreList() |
80 | { |
81 | if (prev) { |
82 | prev->next = 0; |
83 | } |
84 | delete prev; |
85 | |
86 | if (next) { |
87 | next->prev = 0; |
88 | } |
89 | delete next; |
90 | } |
91 | |
92 | template <class T> |
93 | void QTestCoreList<T>::addToList(T **list) |
94 | { |
95 | if (next) |
96 | next->addToList(list); |
97 | else { |
98 | next = *list; |
99 | if (next) |
100 | next->prev = static_cast<T*>(this); |
101 | } |
102 | |
103 | *list = static_cast<T*>(this); |
104 | } |
105 | |
106 | template <class T> |
107 | T *QTestCoreList<T>::nextElement() |
108 | { |
109 | return next; |
110 | } |
111 | |
112 | template <class T> |
113 | T *QTestCoreList<T>::previousElement() |
114 | { |
115 | return prev; |
116 | } |
117 | |
118 | template <class T> |
119 | int QTestCoreList<T>::count() |
120 | { |
121 | int numOfElements = 0; |
122 | T *it = next; |
123 | |
124 | while(it){ |
125 | ++numOfElements; |
126 | it = it->nextElement(); |
127 | } |
128 | |
129 | return numOfElements; |
130 | } |
131 | |
132 | QT_END_NAMESPACE |
133 | |
134 | QT_END_HEADER |
135 | |
136 | #endif |
137 | |