*

LifeCore/Delegate.h

@@ -0,0 +1,132 @@
+#ifndef DELEGATE_H
+#define DELEGATE_H
+
+//Container interface
+template<typename... Args>
+class IContainer {
+public:
+	virtual void Call(Args...) {}
+	virtual ~IContainer() {}
+	IContainer<Args...> *next;
+};
+
+//Container realization
+template< typename T, typename M, typename... Args > class MContainer : public IContainer<Args...> {
+public:
+	MContainer(T* c, M m) : mClass(c), mMethod(m) {}
+	void Call(Args... args) {
+		(mClass->*mMethod)(args...);
+	}
+
+private:
+	T *mClass;
+	M mMethod;
+};
+
+template< typename M, typename... Args > class FContainer : public IContainer<Args...> {
+public:
+	FContainer(M m) : mMethod(m) {}
+	void Call(Args... args) {
+		(mMethod)(args...);
+	}
+
+private:
+	M mMethod;
+};
+
+//Delegate
+template<typename... Args>
+class Delegate {
+public:
+	Delegate() {
+		mContainerHead = new IContainer<Args...>();
+		mContainerTail = mContainerHead;
+		mContainerHead->next = 0;
+	}
+	~Delegate() {
+		IContainer<Args...> *container = mContainerHead;
+		while(container) {
+			IContainer<Args...> *temp = container->next;
+			delete container;
+			container = temp;
+		}
+	}
+
+	void Clear() {
+		IContainer<Args...> *container = mContainerHead->next;
+		while(container) {
+			IContainer<Args...> *temp = container->next;
+			delete container;
+			container = temp;
+		}
+		mContainerHead->next = 0;
+		mContainerTail = mContainerHead;
+	}
+
+	template<typename T, typename M>
+	void Connect(T *c, M m) {
+		mContainerTail->next = new MContainer< T, M, Args... >(c, m);
+		mContainerTail->next->next = 0;
+		mContainerTail = mContainerTail->next;
+	}
+
+	template<typename M>
+	void Connect(M m) {
+		mContainerTail->next = new FContainer< M, Args... >(m);
+		mContainerTail->next->next = 0;
+		mContainerTail = mContainerTail->next;
+	}
+
+	template<typename T, typename M>
+	void Disconnect(T *c, M m) {
+		IContainer<Args...> *container = mContainerHead;
+		while(container->next) {
+			MContainer<T, M, Args...> *temp = dynamic_cast<MContainer<T, M, Args...>*>(container->next);
+
+			if(temp) {
+				if(container->next == mContainerTail) {
+					mContainerTail = container;
+				}
+				container->next = container->next->next;
+				delete temp;
+				break;
+			}
+			container = container->next;
+		}
+	}
+
+	template<typename M>
+	void Disconnect(M m) {
+		IContainer<Args...> *container = mContainerHead;
+		while(container->next) {
+			FContainer<M, Args...> *temp = dynamic_cast<FContainer<M, Args...>*>(container->next);
+
+			if(temp) {
+				if(container->next == mContainerTail) {
+					mContainerTail = container;
+				}
+				container->next = container->next->next;
+				delete temp;
+				break;
+			}
+			container = container->next;
+		}
+	}
+
+	void operator ()(Args... args) {
+		Call(args...);
+	}
+
+	void Call(Args... args) {
+		IContainer<Args...> *container = mContainerHead;
+		while(container) {
+			container->Call(args...);
+			container = container->next;
+		}
+	}
+private:
+	IContainer<Args...> *mContainerHead;
+	IContainer<Args...> *mContainerTail;
+};
+
+#endif // DELEGATE_H