对象管理模板，用于调试对象内存泄漏

// // Created by qicz on 2020/6/20. // #ifndef QX_MANAGEMENTLAYER_H #define QX_MANAGEMENTLAYER_H #include <QxGlobal.h> #include <UtilExport.h> QX_NAMESPACE_BEGIN #ifdef DECLARE_MANAGEMENT_LAYER #undef DECLARE_MANAGEMENT_LAYER #endif /*! * \brief 定义一系列对象管理接口 */ #define DECLARE_MANAGEMENT_LAYER(T) \ private: \ static std::vector<T*> instances; \ static void registerInstance(T* instance); \ static void deregisterInstance(T* instance); \ public: \ static int getInstanceCount(); \ static T* getInstance(int index); \ static T* getInstance(const QString &name); #ifdef IMPLEMENT_MANAGEMENT_LAYER #undef IMPLEMENT_MANAGEMENT_LAYER #endif #define IMPLEMENT_MANAGEMENT_LAYER(T) \ std::vector<T*> T::instances; \ void T::registerInstance(T* instance) \ { \ if (instance != NULL) \ instances.push_back(instance); \ } \ void T::deregisterInstance(T* instance) \ { \ for (std::vector<T*>::iterator it = instances.begin(); \ it != instances.end(); \ ++it) \ { \ if ((*it) == instance) \ { \ instances.erase(it); \ return; \ } \ } \ } \ int T::getInstanceCount() { return instances.size(); } \ T* T::getInstance(int index) { return instances[index]; } \ T* T::getInstance(const QString &name) \ { \ for (std::vector<T*>::iterator it = instances.begin(); \ it != instances.end(); \ ++it) \ { \ if ((*it)->getName() == name) \ { \ return *it; \ } \ } \ return 0; \ } QX_NAMESPACE_END #endif //QX_MANAGEMENTLAYER_H