const SignalHandlerResult SIGNAL_CONTINUE_EMISSION = SignalHandlerResult( false );
const SignalHandlerResult SIGNAL_STOP_EMISSION = SignalHandlerResult( true );
-template<typename Caller>
-class SignalHandlerCaller1
-{
+template<class Caller, class F>
+class SignalHandlerCallerN;
+
+template<class Caller, class R, class... Ts>
+class SignalHandlerCallerN<Caller, R(Ts...)> {
public:
-typedef typename Caller::first_argument_type first_argument_type;
-typedef SignalHandlerResult result_type;
-static result_type call( first_argument_type a1 ){
- Caller::call( a1 );
- return SIGNAL_CONTINUE_EMISSION;
-}
+ using func = SignalHandlerResult(Ts...);
+
+ static SignalHandlerResult call(Ts... args) {
+ Caller::call(args...);
+ return SIGNAL_CONTINUE_EMISSION;
+ }
};
+template<class Caller>
+using SignalHandlerCaller = SignalHandlerCallerN<Caller, get_func<Caller>>;
+
+template<class Caller>
+using SignalHandlerCaller1 = SignalHandlerCaller<Caller>;
+
+template<class Caller>
+using SignalHandlerCaller2 = SignalHandlerCaller<Caller>;
+
template<typename Caller>
-class SignalHandlerCaller2
-{
-public:
-typedef typename Caller::first_argument_type first_argument_type;
-typedef typename Caller::second_argument_type second_argument_type;
-typedef SignalHandlerResult result_type;
-static result_type call( first_argument_type a1, second_argument_type a2 ){
- Caller::call( a1, a2 );
- return SIGNAL_CONTINUE_EMISSION;
-}
-};
+using SignalHandlerCaller3 = SignalHandlerCaller<Caller>;
template<typename Caller>
-class SignalHandlerCaller3
-{
+using SignalHandlerCaller4 = SignalHandlerCaller<Caller>;
+
+template<typename Other, typename True, typename False, typename Type>
+class TypeEqual {
public:
-typedef typename Caller::first_argument_type first_argument_type;
-typedef typename Caller::second_argument_type second_argument_type;
-typedef typename Caller::third_argument_type third_argument_type;
-typedef SignalHandlerResult result_type;
-static result_type call( first_argument_type a1, second_argument_type a2, third_argument_type a3 ){
- Caller::call( a1, a2, a3 );
- return SIGNAL_CONTINUE_EMISSION;
-}
+ using type = False;
};
-template<typename Caller>
-class SignalHandlerCaller4
-{
+template<typename Other, typename True, typename False>
+class TypeEqual<Other, True, False, Other> {
public:
-typedef typename Caller::first_argument_type first_argument_type;
-typedef typename Caller::second_argument_type second_argument_type;
-typedef typename Caller::third_argument_type third_argument_type;
-typedef typename Caller::fourth_argument_type fourth_argument_type;
-typedef SignalHandlerResult result_type;
-static result_type call( first_argument_type a1, second_argument_type a2, third_argument_type a3, fourth_argument_type a4 ){
- Caller::call( a1, a2, a3, a4 );
- return SIGNAL_CONTINUE_EMISSION;
-}
+ using type = True;
};
-class SignalHandler : public Callback0<SignalHandlerResult>
-{
+template<class CB, template<class T> class Wrapper>
+class SignalHandlerN : public CB {
public:
-template<typename Caller>
-SignalHandler( const BindFirstOpaque<Caller>& caller )
- : Callback0<SignalHandlerResult>( BindFirstOpaque<typename TypeEqual<
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller1<Caller>,
- typename Caller::result_type
- >::type>( caller.getBound() ) ){
-}
+ template<typename Caller>
+ SignalHandlerN(const BindFirstOpaque<Caller> &caller)
+ : CB(BindFirstOpaque<typename TypeEqual<
+ SignalHandlerResult,
+ Caller,
+ Wrapper<Caller>,
+ get_result_type<Caller>
+ >::type>(caller.getBound())) {
+ }
+};
+
+class SignalHandler : public SignalHandlerN<Callback<SignalHandlerResult()>, SignalHandlerCaller1> {
+ using SignalHandlerN<Callback<SignalHandlerResult()>, SignalHandlerCaller1>::SignalHandlerN;
};
template<typename Caller>
return SignalHandler( caller );
}
template<typename Caller>
-inline SignalHandler makeSignalHandler( const Caller& caller, typename Caller::first_argument_type callee ){
+inline SignalHandler makeSignalHandler(const Caller &caller, get_argument<Caller, 0> callee) {
return SignalHandler( BindFirstOpaque<Caller>( callee ) );
}
-
template<typename FirstArgument>
-class SignalHandler1 : public Callback1<FirstArgument, SignalHandlerResult>
-{
-public:
-template<typename Caller>
-SignalHandler1( const BindFirstOpaque1<Caller>& caller )
- : Callback1<FirstArgument, SignalHandlerResult>( BindFirstOpaque1<typename TypeEqual<
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller2<Caller>,
- typename Caller::result_type
- >::type>( caller.getBound() ) ){
-}
+class SignalHandler1 : public SignalHandlerN<Callback<SignalHandlerResult(FirstArgument)>, SignalHandlerCaller2> {
+ using SignalHandlerN<Callback<SignalHandlerResult(FirstArgument)>, SignalHandlerCaller2>::SignalHandlerN;
};
template<typename Caller>
-inline SignalHandler1<typename Caller::second_argument_type> makeSignalHandler1( const BindFirstOpaque1<Caller>& caller ){
- return SignalHandler1<typename Caller::second_argument_type>( caller );
+inline SignalHandler1<get_argument<Caller, 1>> makeSignalHandler1(const BindFirstOpaque<Caller> &caller) {
+ return SignalHandler1<get_argument<Caller, 1>>(caller);
}
template<typename Caller>
-inline SignalHandler1<typename Caller::second_argument_type> makeSignalHandler1( const Caller& caller, typename Caller::first_argument_type callee ){
- return SignalHandler1<typename Caller::second_argument_type>( BindFirstOpaque1<Caller>( callee ) );
+inline SignalHandler1<get_argument<Caller, 1>>
+makeSignalHandler1(const Caller &caller, get_argument<Caller, 0> callee) {
+ return SignalHandler1<get_argument<Caller, 1>>(BindFirstOpaque<Caller>(callee));
}
-
template<typename FirstArgument, typename SecondArgument>
-class SignalHandler2 : public Callback2<FirstArgument, SecondArgument, SignalHandlerResult>
-{
-public:
-template<typename Caller>
-SignalHandler2( const BindFirstOpaque2<Caller>& caller )
- : Callback2<FirstArgument, SecondArgument, SignalHandlerResult>( BindFirstOpaque2<typename TypeEqual<
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller3<Caller>,
- typename Caller::result_type
- >::type>( caller.getBound() ) ){
-}
+class SignalHandler2
+ : public SignalHandlerN<Callback<SignalHandlerResult(FirstArgument, SecondArgument)>, SignalHandlerCaller3> {
+ using SignalHandlerN<Callback<SignalHandlerResult(FirstArgument, SecondArgument)>, SignalHandlerCaller3>::SignalHandlerN;
};
template<typename Caller>
inline SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
- > makeSignalHandler2( const BindFirstOpaque2<Caller>& caller ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
+> makeSignalHandler2(const BindFirstOpaque<Caller> &caller) {
return SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
>( caller );
}
template<typename Caller>
inline SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
- > makeSignalHandler2( const Caller& caller, typename Caller::first_argument_type callee ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
+> makeSignalHandler2(const Caller &caller, get_argument<Caller, 0> callee) {
return SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
- >( BindFirstOpaque2<Caller>( callee ) );
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
+ >(BindFirstOpaque<Caller>(callee));
}
-
template<typename FirstArgument, typename SecondArgument, typename ThirdArgument>
-class SignalHandler3 : public Callback3<FirstArgument, SecondArgument, ThirdArgument, SignalHandlerResult>
-{
-public:
-template<typename Caller>
-SignalHandler3( const BindFirstOpaque3<Caller>& caller )
- : Callback3<FirstArgument, SecondArgument, ThirdArgument, SignalHandlerResult>( BindFirstOpaque3<typename TypeEqual<
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller4<Caller>,
- typename Caller::result_type
- >::type>( caller.getBound() ) ){
-}
+class SignalHandler3
+ : public SignalHandlerN<Callback<SignalHandlerResult(FirstArgument, SecondArgument, ThirdArgument)>, SignalHandlerCaller4> {
+ using SignalHandlerN<Callback<SignalHandlerResult(FirstArgument, SecondArgument, ThirdArgument)>, SignalHandlerCaller4>::SignalHandlerN;
};
template<typename Caller>
inline SignalHandler3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type
- > makeSignalHandler3( const BindFirstOpaque3<Caller>& caller ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
+> makeSignalHandler3(const BindFirstOpaque<Caller> &caller) {
return SignalHandler3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
>( caller );
}
template<typename Caller>
inline SignalHandler3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type
- > makeSignalHandler3( const Caller& caller, typename Caller::first_argument_type callee ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
+> makeSignalHandler3(const Caller &caller, get_argument<Caller, 0> callee) {
return SignalHandler3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type
- >( BindFirstOpaque3<Caller>( callee ) );
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
+ >(BindFirstOpaque<Caller>(callee));
}
#endif
projects / xonotic / netradiant.git / blobdiff