src/testlib/qtestcorelist.h

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  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