Qt 4.8
qtestcorelist.h
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41 
42 #ifndef QTESTCORELIST_H
43 #define QTESTCORELIST_H
44 
45 #include <QtCore/qglobal.h>
46 
48 
50 
51 QT_MODULE(Test)
52 
53 template <class T>
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>
73 :next(0)
74 ,prev(0)
75 {
76 }
77 
78 template <class T>
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>
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>
108 {
109  return next;
110 }
111 
112 template <class T>
114 {
115  return prev;
116 }
117 
118 template <class T>
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 
133 
135 
136 #endif
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define it(className, varName)
virtual ~QTestCoreList()
Definition: qtestcorelist.h:79
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
void addToList(T **list)
Definition: qtestcorelist.h:93
T * previousElement()
#define QT_END_HEADER
Definition: qglobal.h:137