fastdelegate.h.svn-base

来自「ffshow源码」· SVN-BASE 代码 · 共 1,415 行 · 第 1/5 页

	bool operator ==(const FastDelegate3 &x) const {
		return m_Closure.IsEqual(x.m_Closure);	}
	bool operator !=(const FastDelegate3 &x) const {
		return !m_Closure.IsEqual(x.m_Closure); }
	bool operator <(const FastDelegate3 &x) const {
		return m_Closure.IsLess(x.m_Closure);	}
	bool operator >(const FastDelegate3 &x) const {
		return x.m_Closure.IsLess(m_Closure);	}
	// Binding to non-const member functions
	template < class X, class Y >
	FastDelegate3(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3) ) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind); }
	template < class X, class Y >
	inline void bind(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3)) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind);	}
	// Binding to const member functions.
	template < class X, class Y >
	FastDelegate3(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X*>(pthis), function_to_bind);	}
	template < class X, class Y >
	inline void bind(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X *>(pthis), function_to_bind);	}
	// Static functions. We convert them into a member function call.
	// This constructor also provides implicit conversion
	FastDelegate3(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3) ) {
		bind(function_to_bind);	}
	// for efficiency, prevent creation of a temporary
	void operator = (DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3) ) {
		bind(function_to_bind);	}
	inline void bind(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3)) {
		m_Closure.bindstaticfunc(this, &FastDelegate3::InvokeStaticFunction, 
			function_to_bind); }
	// Invoke the delegate
	RetType operator() (Param1 p1, Param2 p2, Param3 p3) const {
	return (m_Closure.GetClosureThis()->*(m_Closure.GetClosureMemPtr()))(p1, p2, p3); }
	// Implicit conversion to "bool" using the safe_bool idiom
private:
	typedef struct SafeBoolStruct {
		int a_data_pointer_to_this_is_0_on_buggy_compilers;
		StaticFunctionPtr m_nonzero;
	} UselessTypedef;
    typedef StaticFunctionPtr SafeBoolStruct::*unspecified_bool_type;
public:
	operator unspecified_bool_type() const {
        return empty()? 0: &SafeBoolStruct::m_nonzero;
    }
	// necessary to allow ==0 to work despite the safe_bool idiom
	inline bool operator==(StaticFunctionPtr funcptr) {
		return m_Closure.IsEqualToStaticFuncPtr(funcptr);	}
	inline bool operator!=(StaticFunctionPtr funcptr) { 
		return !m_Closure.IsEqualToStaticFuncPtr(funcptr);    }
	inline bool operator ! () const	{	// Is it bound to anything?
			return !m_Closure; }
	inline bool empty() const	{
			return !m_Closure; }
	void clear() { m_Closure.clear();}
	// Conversion to and from the DelegateMemento storage class
	const DelegateMemento & GetMemento() { return m_Closure; }
	void SetMemento(const DelegateMemento &any) { m_Closure.CopyFrom(this, any); }

private:	// Invoker for static functions
	RetType InvokeStaticFunction(Param1 p1, Param2 p2, Param3 p3) const {
	return (*(m_Closure.GetStaticFunction()))(p1, p2, p3); }
};

//N=4
template<class Param1, class Param2, class Param3, class Param4, class RetType=detail::DefaultVoid>
class FastDelegate4 {
private:
	typedef typename detail::DefaultVoidToVoid<RetType>::type DesiredRetType;
	typedef DesiredRetType (*StaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4);
	typedef RetType (*UnvoidStaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4);
	typedef RetType (detail::GenericClass::*GenericMemFn)(Param1 p1, Param2 p2, Param3 p3, Param4 p4);
	typedef detail::ClosurePtr<GenericMemFn, StaticFunctionPtr, UnvoidStaticFunctionPtr> ClosureType;
	ClosureType m_Closure;
public:
	// Typedefs to aid generic programming
	typedef FastDelegate4 type;

	// Construction and comparison functions
	FastDelegate4() { clear(); }
	FastDelegate4(const FastDelegate4 &x) {
		m_Closure.CopyFrom(this, x.m_Closure); }
	void operator = (const FastDelegate4 &x)  {
		m_Closure.CopyFrom(this, x.m_Closure); }
	bool operator ==(const FastDelegate4 &x) const {
		return m_Closure.IsEqual(x.m_Closure);	}
	bool operator !=(const FastDelegate4 &x) const {
		return !m_Closure.IsEqual(x.m_Closure); }
	bool operator <(const FastDelegate4 &x) const {
		return m_Closure.IsLess(x.m_Closure);	}
	bool operator >(const FastDelegate4 &x) const {
		return x.m_Closure.IsLess(m_Closure);	}
	// Binding to non-const member functions
	template < class X, class Y >
	FastDelegate4(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4) ) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind); }
	template < class X, class Y >
	inline void bind(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4)) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind);	}
	// Binding to const member functions.
	template < class X, class Y >
	FastDelegate4(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X*>(pthis), function_to_bind);	}
	template < class X, class Y >
	inline void bind(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X *>(pthis), function_to_bind);	}
	// Static functions. We convert them into a member function call.
	// This constructor also provides implicit conversion
	FastDelegate4(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4) ) {
		bind(function_to_bind);	}
	// for efficiency, prevent creation of a temporary
	void operator = (DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4) ) {
		bind(function_to_bind);	}
	inline void bind(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4)) {
		m_Closure.bindstaticfunc(this, &FastDelegate4::InvokeStaticFunction, 
			function_to_bind); }
	// Invoke the delegate
	RetType operator() (Param1 p1, Param2 p2, Param3 p3, Param4 p4) const {
	return (m_Closure.GetClosureThis()->*(m_Closure.GetClosureMemPtr()))(p1, p2, p3, p4); }
	// Implicit conversion to "bool" using the safe_bool idiom
private:
	typedef struct SafeBoolStruct {
		int a_data_pointer_to_this_is_0_on_buggy_compilers;
		StaticFunctionPtr m_nonzero;
	} UselessTypedef;
    typedef StaticFunctionPtr SafeBoolStruct::*unspecified_bool_type;
public:
	operator unspecified_bool_type() const {
        return empty()? 0: &SafeBoolStruct::m_nonzero;
    }
	// necessary to allow ==0 to work despite the safe_bool idiom
	inline bool operator==(StaticFunctionPtr funcptr) {
		return m_Closure.IsEqualToStaticFuncPtr(funcptr);	}
	inline bool operator!=(StaticFunctionPtr funcptr) { 
		return !m_Closure.IsEqualToStaticFuncPtr(funcptr);    }
	inline bool operator ! () const	{	// Is it bound to anything?
			return !m_Closure; }
	inline bool empty() const	{
			return !m_Closure; }
	void clear() { m_Closure.clear();}
	// Conversion to and from the DelegateMemento storage class
	const DelegateMemento & GetMemento() { return m_Closure; }
	void SetMemento(const DelegateMemento &any) { m_Closure.CopyFrom(this, any); }

private:	// Invoker for static functions
	RetType InvokeStaticFunction(Param1 p1, Param2 p2, Param3 p3, Param4 p4) const {
	return (*(m_Closure.GetStaticFunction()))(p1, p2, p3, p4); }
};

//N=5
template<class Param1, class Param2, class Param3, class Param4, class Param5, class RetType=detail::DefaultVoid>
class FastDelegate5 {
private:
	typedef typename detail::DefaultVoidToVoid<RetType>::type DesiredRetType;
	typedef DesiredRetType (*StaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5);
	typedef RetType (*UnvoidStaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5);
	typedef RetType (detail::GenericClass::*GenericMemFn)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5);
	typedef detail::ClosurePtr<GenericMemFn, StaticFunctionPtr, UnvoidStaticFunctionPtr> ClosureType;
	ClosureType m_Closure;
public:
	// Typedefs to aid generic programming
	typedef FastDelegate5 type;

	// Construction and comparison functions
	FastDelegate5() { clear(); }
	FastDelegate5(const FastDelegate5 &x) {
		m_Closure.CopyFrom(this, x.m_Closure); }
	void operator = (const FastDelegate5 &x)  {
		m_Closure.CopyFrom(this, x.m_Closure); }
	bool operator ==(const FastDelegate5 &x) const {
		return m_Closure.IsEqual(x.m_Closure);	}
	bool operator !=(const FastDelegate5 &x) const {
		return !m_Closure.IsEqual(x.m_Closure); }
	bool operator <(const FastDelegate5 &x) const {
		return m_Closure.IsLess(x.m_Closure);	}
	bool operator >(const FastDelegate5 &x) const {
		return x.m_Closure.IsLess(m_Closure);	}
	// Binding to non-const member functions
	template < class X, class Y >
	FastDelegate5(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) ) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind); }
	template < class X, class Y >
	inline void bind(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5)) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind);	}
	// Binding to const member functions.
	template < class X, class Y >
	FastDelegate5(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X*>(pthis), function_to_bind);	}
	template < class X, class Y >
	inline void bind(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X *>(pthis), function_to_bind);	}
	// Static functions. We convert them into a member function call.
	// This constructor also provides implicit conversion
	FastDelegate5(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) ) {
		bind(function_to_bind);	}
	// for efficiency, prevent creation of a temporary
	void operator = (DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) ) {
		bind(function_to_bind);	}
	inline void bind(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5)) {
		m_Closure.bindstaticfunc(this, &FastDelegate5::InvokeStaticFunction, 
			function_to_bind); }
	// Invoke the delegate
	RetType operator() (Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) const {
	return (m_Closure.GetClosureThis()->*(m_Closure.GetClosureMemPtr()))(p1, p2, p3, p4, p5); }
	// Implicit conversion to "bool" using the safe_bool idiom
private:
	typedef struct SafeBoolStruct {
		int a_data_pointer_to_this_is_0_on_buggy_compilers;
		StaticFunctionPtr m_nonzero;
	} UselessTypedef;
    typedef StaticFunctionPtr SafeBoolStruct::*unspecified_bool_type;
public:
	operator unspecified_bool_type() const {
        return empty()? 0: &SafeBoolStruct::m_nonzero;
    }
	// necessary to allow ==0 to work despite the safe_bool idiom
	inline bool operator==(StaticFunctionPtr funcptr) {
		return m_Closure.IsEqualToStaticFuncPtr(funcptr);	}
	inline bool operator!=(StaticFunctionPtr funcptr) { 
		return !m_Closure.IsEqualToStaticFuncPtr(funcptr);    }
	inline bool operator ! () const	{	// Is it bound to anything?
			return !m_Closure; }
	inline bool empty() const	{
			return !m_Closure; }
	void clear() { m_Closure.clear();}
	// Conversion to and from the DelegateMemento storage class
	const DelegateMemento & GetMemento() { return m_Closure; }
	void SetMemento(const DelegateMemento &any) { m_Closure.CopyFrom(this, any); }

private:	// Invoker for static functions
	RetType InvokeStaticFunction(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5) const {
	return (*(m_Closure.GetStaticFunction()))(p1, p2, p3, p4, p5); }
};

//N=6
template<class Param1, class Param2, class Param3, class Param4, class Param5, class Param6, class RetType=detail::DefaultVoid>
class FastDelegate6 {
private:
	typedef typename detail::DefaultVoidToVoid<RetType>::type DesiredRetType;
	typedef DesiredRetType (*StaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6);
	typedef RetType (*UnvoidStaticFunctionPtr)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6);
	typedef RetType (detail::GenericClass::*GenericMemFn)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6);
	typedef detail::ClosurePtr<GenericMemFn, StaticFunctionPtr, UnvoidStaticFunctionPtr> ClosureType;
	ClosureType m_Closure;
public:
	// Typedefs to aid generic programming
	typedef FastDelegate6 type;

	// Construction and comparison functions
	FastDelegate6() { clear(); }
	FastDelegate6(const FastDelegate6 &x) {
		m_Closure.CopyFrom(this, x.m_Closure); }
	void operator = (const FastDelegate6 &x)  {
		m_Closure.CopyFrom(this, x.m_Closure); }
	bool operator ==(const FastDelegate6 &x) const {
		return m_Closure.IsEqual(x.m_Closure);	}
	bool operator !=(const FastDelegate6 &x) const {
		return !m_Closure.IsEqual(x.m_Closure); }
	bool operator <(const FastDelegate6 &x) const {
		return m_Closure.IsLess(x.m_Closure);	}
	bool operator >(const FastDelegate6 &x) const {
		return x.m_Closure.IsLess(m_Closure);	}
	// Binding to non-const member functions
	template < class X, class Y >
	FastDelegate6(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6) ) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind); }
	template < class X, class Y >
	inline void bind(Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6)) {
		m_Closure.bindmemfunc(detail::implicit_cast<X*>(pthis), function_to_bind);	}
	// Binding to const member functions.
	template < class X, class Y >
	FastDelegate6(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X*>(pthis), function_to_bind);	}
	template < class X, class Y >
	inline void bind(const Y *pthis, DesiredRetType (X::* function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6) const) {
		m_Closure.bindconstmemfunc(detail::implicit_cast<const X *>(pthis), function_to_bind);	}
	// Static functions. We convert them into a member function call.
	// This constructor also provides implicit conversion
	FastDelegate6(DesiredRetType (*function_to_bind)(Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6) ) {
		bind(function_to_bind);	}
	// for efficiency, prevent creation of a temporary
	void operator =