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41
42#ifndef QTESTCORELIST_H
43#define QTESTCORELIST_H
44
45#include <QtCore/qglobal.h>
46
47QT_BEGIN_HEADER
48
49QT_BEGIN_NAMESPACE
50
51QT_MODULE(Test)
52
53template <class T>
54class 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
71template <class T>
72QTestCoreList<T>::QTestCoreList()
73:next(0)
74,prev(0)
75{
76}
77
78template <class T>
79QTestCoreList<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
92template <class T>
93void 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
106template <class T>
107T *QTestCoreList<T>::nextElement()
108{
109 return next;
110}
111
112template <class T>
113T *QTestCoreList<T>::previousElement()
114{
115 return prev;
116}
117
118template <class T>
119int 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
132QT_END_NAMESPACE
133
134QT_END_HEADER
135
136#endif
137