-#if !defined(INCLUDED_ISIGNAL_H)
+#if !defined( INCLUDED_ISIGNAL_H )
#define INCLUDED_ISIGNAL_H
#include "generic/callback.h"
class SignalHandlerResult
{
- bool value;
+bool value;
public:
- explicit SignalHandlerResult(bool value) : value(value)
- {
- }
- bool operator==(SignalHandlerResult other) const
- {
- return value == other.value;
- }
- bool operator!=(SignalHandlerResult other) const
- {
- return !operator==(other);
- }
+explicit SignalHandlerResult( bool value ) : value( value ){
+}
+bool operator==( SignalHandlerResult other ) const {
+ return value == other.value;
+}
+bool operator!=( SignalHandlerResult other ) const {
+ return !operator==( other );
+}
};
-const SignalHandlerResult SIGNAL_CONTINUE_EMISSION = SignalHandlerResult(false);
-const SignalHandlerResult SIGNAL_STOP_EMISSION = SignalHandlerResult(true);
+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<typename Caller>
-class SignalHandlerCaller2
-{
+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>
+using SignalHandlerCaller3 = SignalHandlerCaller<Caller>;
+
+template<typename Caller>
+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 SignalHandlerResult result_type;
- static result_type call(first_argument_type a1, second_argument_type a2)
- {
- Caller::call(a1, a2);
- return SIGNAL_CONTINUE_EMISSION;
- }
+ using type = False;
};
-template<typename Caller>
-class SignalHandlerCaller3
-{
+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 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 = True;
};
-template<typename Caller>
-class SignalHandlerCaller4
-{
+template<class CB, template<class T> class Wrapper>
+class SignalHandlerN : public CB {
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;
- }
+ 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 Callback0<SignalHandlerResult>
-{
-public:
- template<typename Caller>
- SignalHandler(const BindFirstOpaque<Caller>& caller)
- : Callback0<SignalHandlerResult>(BindFirstOpaque<typename TypeEqual<
- typename Caller::result_type,
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller1<Caller>
- >::type>(caller.getBound()))
- {
- }
+class SignalHandler : public SignalHandlerN<Callback<SignalHandlerResult()>, SignalHandlerCaller1> {
+ using SignalHandlerN<Callback<SignalHandlerResult()>, SignalHandlerCaller1>::SignalHandlerN;
};
template<typename Caller>
-inline SignalHandler makeSignalHandler(const BindFirstOpaque<Caller>& caller)
-{
- return SignalHandler(caller);
+inline SignalHandler makeSignalHandler( const BindFirstOpaque<Caller>& caller ){
+ return SignalHandler( caller );
}
template<typename Caller>
-inline SignalHandler makeSignalHandler(const Caller& caller, typename Caller::first_argument_type callee)
-{
- return SignalHandler(BindFirstOpaque<Caller>(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<
- typename Caller::result_type,
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller2<Caller>
- >::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<
- typename Caller::result_type,
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller3<Caller>
- >::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)
-{
- return SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
- >(caller);
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
+> makeSignalHandler2(const BindFirstOpaque<Caller> &caller) {
+ return SignalHandler2<
+ 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)
-{
- return SignalHandler2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type
- >(BindFirstOpaque2<Caller>(callee));
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>
+> makeSignalHandler2(const Caller &caller, get_argument<Caller, 0> callee) {
+ return SignalHandler2<
+ 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<
- typename Caller::result_type,
- SignalHandlerResult,
- Caller,
- SignalHandlerCaller4<Caller>
- >::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)
-{
- return SignalHandler3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type
- >(caller);
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
+> makeSignalHandler3(const BindFirstOpaque<Caller> &caller) {
+ return SignalHandler3<
+ 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)
-{
- 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>
+> makeSignalHandler3(const Caller &caller, get_argument<Caller, 0> callee) {
+ return SignalHandler3<
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>
+ >(BindFirstOpaque<Caller>(callee));
}
#endif
projects / xonotic / netradiant.git / blobdiff