}
};
-template<typename Caller>
-class BindFirstOpaque
-{
-typedef typename Caller::first_argument_type FirstBound;
-FirstBound firstBound;
-public:
-typedef typename Caller::result_type result_type;
-explicit BindFirstOpaque( FirstBound firstBound ) : firstBound( firstBound ){
-}
-result_type operator()() const {
- return Caller::call( firstBound );
-}
-FirstBound getBound() const {
- return firstBound;
-}
-static result_type thunk( void* environment ){
- return Caller::call( ConvertFromOpaque<FirstBound>::apply( environment ) );
-}
-void* getEnvironment() const {
- return convertToOpaque( firstBound );
-}
-};
-
-template<typename Caller>
-class BindFirstOpaque1
-{
-typedef typename Caller::first_argument_type FirstBound;
-FirstBound firstBound;
-public:
-typedef typename Caller::second_argument_type first_argument_type;
-typedef typename Caller::result_type result_type;
-explicit BindFirstOpaque1( FirstBound firstBound ) : firstBound( firstBound ){
-}
-result_type operator()( first_argument_type a1 ) const {
- return Caller::call( firstBound, a1 );
-}
-FirstBound getBound() const {
- return firstBound;
-}
-static result_type thunk( void* environment, first_argument_type a1 ){
- return Caller::call( ConvertFromOpaque<FirstBound>::apply( environment ), a1 );
-}
-void* getEnvironment() const {
- return convertToOpaque( firstBound );
-}
-};
-
-template<typename Caller>
-class BindFirstOpaque2
-{
-typedef typename Caller::first_argument_type FirstBound;
-FirstBound firstBound;
-public:
-typedef typename Caller::second_argument_type first_argument_type;
-typedef typename Caller::third_argument_type second_argument_type;
-typedef typename Caller::result_type result_type;
-explicit BindFirstOpaque2( FirstBound firstBound ) : firstBound( firstBound ){
-}
-result_type operator()( first_argument_type a1, second_argument_type a2 ) const {
- return Caller::call( firstBound, a1, a2 );
-}
-FirstBound getBound() const {
- return firstBound;
-}
-static result_type thunk( void* environment, first_argument_type a1, second_argument_type a2 ){
- return Caller::call( ConvertFromOpaque<FirstBound>::apply( environment ), a1, a2 );
-}
-void* getEnvironment() const {
- return convertToOpaque( firstBound );
-}
-};
-
-template<typename Caller>
-class BindFirstOpaque3
-{
-typedef typename Caller::first_argument_type FirstBound;
-FirstBound firstBound;
-public:
-typedef typename Caller::second_argument_type first_argument_type;
-typedef typename Caller::third_argument_type second_argument_type;
-typedef typename Caller::fourth_argument_type third_argument_type;
-typedef typename Caller::result_type result_type;
-explicit BindFirstOpaque3( FirstBound firstBound ) : firstBound( firstBound ){
-}
-result_type operator()( first_argument_type a1, second_argument_type a2, third_argument_type a3 ) const {
- return Caller::call( firstBound, a1, a2, a3 );
-}
-FirstBound getBound() const {
- return firstBound;
-}
-static result_type thunk( void* environment, first_argument_type a1, second_argument_type a2, third_argument_type a3 ){
- return Caller::call( ConvertFromOpaque<FirstBound>::apply( environment ), a1, a2, a3 );
-}
-void* getEnvironment() const {
- return convertToOpaque( firstBound );
-}
-};
-
template<typename Thunk_>
class CallbackBase
{
( !( other.getEnvironment() < self.getEnvironment() ) && self.getThunk() < other.getThunk() );
}
+template<class Caller, class F>
+class BindFirstOpaqueN;
+
+template<class Caller, class R, class FirstBound, class... Ts>
+class BindFirstOpaqueN<Caller, R(FirstBound, Ts...)> {
+ FirstBound firstBound;
+public:
+ explicit BindFirstOpaqueN(FirstBound firstBound) : firstBound(firstBound) {
+ }
+
+ R operator()(Ts... args) const {
+ return Caller::call(firstBound, args...);
+ }
+
+ FirstBound getBound() const {
+ return firstBound;
+ }
+
+ static R thunk(void *environment, Ts... args) {
+ return Caller::call(ConvertFromOpaque<FirstBound>::apply(environment), args...);
+ }
+
+ void *getEnvironment() const {
+ return convertToOpaque(firstBound);
+ }
+};
+
+template<class Caller>
+using BindFirstOpaque = BindFirstOpaqueN<Caller, typename Caller::func>;
+
+template<class F>
+class CallbackN;
+
+template<class R, class... Ts>
+class CallbackN<R(Ts...)> : public CallbackBase<R(*)(void *, Ts...)> {
+ using Base = CallbackBase<R (*)(void *, Ts...)>;
+
+ static R nullThunk(void *, Ts...) {
+ }
+
+public:
+ using func = R(Ts...);
+
+ CallbackN() : Base(0, nullThunk) {
+ }
+
+ template<typename Caller>
+ CallbackN(const BindFirstOpaque<Caller> &caller) : Base(caller.getEnvironment(), BindFirstOpaque<Caller>::thunk) {
+ }
+
+ CallbackN(void *environment, typename Base::Thunk function) : Base(environment, function) {
+ }
+
+ R operator()(Ts... args) const {
+ return Base::getThunk()(Base::getEnvironment(), args...);
+ }
+};
/// \brief Combines a void pointer with a pointer to a function which operates on a void pointer.
///
/// Use with the callback constructors MemberCaller, ConstMemberCaller, ReferenceCaller, ConstReferenceCaller, PointerCaller, ConstPointerCaller and FreeCaller.
-template<typename Result>
-class Callback0 : public CallbackBase<Result ( * )( void* )>
-{
-typedef CallbackBase<Result ( * )( void* )> Base;
-static Result nullThunk( void* ){
-}
-
+template<class Result>
+class Callback0 : public CallbackN<Result()> {
public:
-typedef Result result_type;
-
-Callback0() : Base( 0, nullThunk ){
-}
-template<typename Caller>
-Callback0( const BindFirstOpaque<Caller>& caller ) : Base( caller.getEnvironment(), BindFirstOpaque<Caller>::thunk ){
-}
-Callback0( void* environment, typename Base::Thunk function ) : Base( environment, function ){
-}
-result_type operator()() const {
- return Base::getThunk() ( Base::getEnvironment() );
-}
+ using CallbackN<Result()>::CallbackN;
};
template<typename Caller>
-inline Callback0<typename Caller::result_type> makeCallback0( const Caller& caller, typename Caller::first_argument_type callee ){
- return Callback0<typename Caller::result_type>( BindFirstOpaque<Caller>( callee ) );
+inline Callback0<get_result_type<Caller>> makeCallback0(const Caller &caller, get_argument<Caller, 0> callee) {
+ return Callback0<get_result_type<Caller>>(BindFirstOpaque<Caller>(callee));
}
template<typename Caller>
-inline Callback0<typename Caller::result_type> makeStatelessCallback0( const Caller& caller ){
+inline Callback0<get_result_type<Caller>> makeStatelessCallback0(const Caller &caller) {
return makeCallback0( Caller0To1<Caller>(), 0 );
}
/// \brief Combines a void pointer with a pointer to a function which operates on a void pointer and one other argument.
///
/// Use with the callback constructors MemberCaller1, ConstMemberCaller1, ReferenceCaller1, ConstReferenceCaller1, PointerCaller1, ConstPointerCaller1 and FreeCaller1.
-template<typename FirstArgument, typename Result>
-class Callback1 : public CallbackBase<Result ( * )( void*, FirstArgument )>
-{
-typedef CallbackBase<Result ( * )( void*, FirstArgument )> Base;
-static Result nullThunk( void*, FirstArgument ){
-}
-
+template<class FirstArgument, class Result>
+class Callback1 : public CallbackN<Result(FirstArgument)> {
public:
-typedef FirstArgument first_argument_type;
-typedef Result result_type;
-
-Callback1() : Base( 0, nullThunk ){
-}
-template<typename Caller>
-Callback1( const BindFirstOpaque1<Caller>& caller ) : Base( caller.getEnvironment(), BindFirstOpaque1<Caller>::thunk ){
-}
-Callback1( void* environment, typename Base::Thunk function ) : Base( environment, function ){
-}
-result_type operator()( FirstArgument firstArgument ) const {
- return Base::getThunk() ( Base::getEnvironment(), firstArgument );
-}
+ using CallbackN<Result(FirstArgument)>::CallbackN;
};
template<typename Caller>
-inline Callback1<typename Caller::second_argument_type, typename Caller::result_type> makeCallback1( const Caller& caller, typename Caller::first_argument_type callee ){
- return Callback1<typename Caller::second_argument_type, typename Caller::result_type>( BindFirstOpaque1<Caller>( callee ) );
+inline Callback1<get_argument<Caller, 1>, get_result_type<Caller>>
+makeCallback1(const Caller &caller, get_argument<Caller, 0> callee) {
+ return Callback1<get_argument<Caller, 1>, get_result_type<Caller>>(BindFirstOpaque<Caller>(callee));
}
template<typename Caller>
-inline Callback1<typename Caller::second_argument_type, typename Caller::result_type> makeStatelessCallback1( const Caller& caller ){
+inline Callback1<get_argument<Caller, 1>, get_result_type<Caller>> makeStatelessCallback1(const Caller &caller) {
return makeCallback1( Caller1To2<Caller>(), 0 );
}
/// \brief Combines a void pointer with a pointer to a function which operates on a void pointer and two other arguments.
///
template<typename FirstArgument, typename SecondArgument, typename Result>
-class Callback2 : public CallbackBase<Result ( * )( void*, FirstArgument, SecondArgument )>
-{
-typedef CallbackBase<Result ( * )( void*, FirstArgument, SecondArgument )> Base;
-static Result nullThunk( void*, FirstArgument, SecondArgument ){
-}
-
+class Callback2 : public CallbackN<Result(FirstArgument, SecondArgument)> {
public:
-typedef FirstArgument first_argument_type;
-typedef SecondArgument second_argument_type;
-typedef Result result_type;
-
-Callback2() : Base( 0, nullThunk ){
-}
-template<typename Caller>
-Callback2( const BindFirstOpaque2<Caller>& caller ) : Base( caller.getEnvironment(), BindFirstOpaque2<Caller>::thunk ){
-}
-Callback2( void* environment, typename Base::Thunk function ) : Base( environment, function ){
-}
-result_type operator()( FirstArgument firstArgument, SecondArgument secondArgument ) const {
- return Base::getThunk() ( Base::getEnvironment(), firstArgument, secondArgument );
-}
+ using CallbackN<Result(FirstArgument, SecondArgument)>::CallbackN;
};
template<typename Caller>
inline Callback2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::result_type
- > makeCallback2( const Caller& caller, typename Caller::first_argument_type callee ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_result_type<Caller>
+> makeCallback2(const Caller &caller, get_argument<Caller, 0> callee) {
return Callback2<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::result_type
- >( BindFirstOpaque2<Caller>( callee ) );
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_result_type<Caller>
+ >(BindFirstOpaque<Caller>(callee));
}
template<typename Caller>
inline Callback2<
- typename Caller::first_argument_type,
- typename Caller::second_argument_type,
- typename Caller::result_type
- > makeStatelessCallback2( const Caller& caller ){
+ get_argument<Caller, 0>,
+ get_argument<Caller, 1>,
+ get_result_type<Caller>
+> makeStatelessCallback2(const Caller &caller) {
return makeCallback2( Caller2To3<Caller>(), 0 );
}
/// \brief Combines a void pointer with a pointer to a function which operates on a void pointer and three other arguments.
///
template<typename FirstArgument, typename SecondArgument, typename ThirdArgument, typename Result>
-class Callback3 : public CallbackBase<Result ( * )( void*, FirstArgument, SecondArgument, ThirdArgument )>
-{
-typedef CallbackBase<Result ( * )( void*, FirstArgument, SecondArgument, ThirdArgument )> Base;
-static Result nullThunk( void*, FirstArgument, SecondArgument, ThirdArgument ){
-}
-
+class Callback3 : public CallbackN<Result(FirstArgument, SecondArgument, ThirdArgument)> {
public:
-typedef FirstArgument first_argument_type;
-typedef SecondArgument second_argument_type;
-typedef ThirdArgument third_argument_type;
-typedef Result result_type;
-
-Callback3() : Base( 0, nullThunk ){
-}
-template<typename Caller>
-Callback3( const BindFirstOpaque3<Caller>& caller ) : Base( caller.getEnvironment(), BindFirstOpaque3<Caller>::thunk ){
-}
-Callback3( void* environment, typename Base::Thunk function ) : Base( environment, function ){
-}
-result_type operator()( FirstArgument firstArgument, SecondArgument secondArgument, ThirdArgument thirdArgument ) const {
- return Base::getThunk() ( Base::getEnvironment(), firstArgument, secondArgument, thirdArgument );
-}
+ using CallbackN<Result(FirstArgument, SecondArgument, ThirdArgument)>::CallbackN;
};
template<typename Caller>
inline Callback3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type,
- typename Caller::result_type
- > makeCallback3( const Caller& caller, typename Caller::first_argument_type callee ){
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>,
+ get_result_type<Caller>
+> makeCallback3(const Caller &caller, get_argument<Caller, 0> callee) {
return Callback3<
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::fourth_argument_type,
- typename Caller::result_type
- >( BindFirstOpaque3<Caller>( callee ) );
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_argument<Caller, 3>,
+ get_result_type<Caller>
+ >(BindFirstOpaque<Caller>(callee));
}
template<typename Caller>
inline Callback3<
- typename Caller::first_argument_type,
- typename Caller::second_argument_type,
- typename Caller::third_argument_type,
- typename Caller::result_type
- > makeStatelessCallback3( const Caller& caller ){
+ get_argument<Caller, 0>,
+ get_argument<Caller, 1>,
+ get_argument<Caller, 2>,
+ get_result_type<Caller>
+> makeStatelessCallback3(const Caller &caller) {
return makeCallback3( Caller3To4<Caller>(), 0 );
}
/// \dontinclude generic/callback.cpp
/// \skipline MemberCaller example
/// \until end example
-template<typename Environment, void( Environment::*member ) ( )>
-class MemberCaller : public BindFirstOpaque< Member<Environment, void, member> >
-{
-public:
-MemberCaller( Environment& environment ) : BindFirstOpaque< Member<Environment, void, member> >( environment ){
-}
-};
+template<class Environment, void(Environment::*member)()>
+using MemberCaller = BindFirstOpaque<Member<Environment, void, member>>;
/// \brief Forms a Callback from a const Environment reference and a const Environment member-function.
///
/// \dontinclude generic/callback.cpp
/// \skipline MemberCaller example
/// \until end example
-template<typename Environment, void( Environment::*member ) ( ) const>
-class ConstMemberCaller : public BindFirstOpaque< ConstMember<Environment, void, member> >
-{
-public:
-ConstMemberCaller( const Environment& environment ) : BindFirstOpaque< ConstMember<Environment, void, member> >( environment ){
-}
-};
+template<class Environment, void(Environment::*member)() const>
+using ConstMemberCaller = BindFirstOpaque<ConstMember<Environment, void, member>>;
/// \brief Forms a Callback from a non-const Environment reference and a const Environment member-function which takes one argument.
-template<typename Environment, typename FirstArgument, void( Environment::*member ) (FirstArgument)>
-class MemberCaller1 : public BindFirstOpaque1< Member1<Environment, FirstArgument, void, member> >
-{
-public:
-MemberCaller1( Environment& environment ) : BindFirstOpaque1< Member1<Environment, FirstArgument, void, member> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(Environment::*member)(FirstArgument)>
+using MemberCaller1 = BindFirstOpaque<Member1<Environment, FirstArgument, void, member>>;
/// \brief Forms a Callback from a const Environment reference and a const Environment member-function which takes one argument.
-template<typename Environment, typename FirstArgument, void( Environment::*member ) (FirstArgument) const>
-class ConstMemberCaller1 : public BindFirstOpaque1< ConstMember1<Environment, FirstArgument, void, member> >
-{
-public:
-ConstMemberCaller1( const Environment& environment ) : BindFirstOpaque1< ConstMember1<Environment, FirstArgument, void, member> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(Environment::*member)(FirstArgument) const>
+using ConstMemberCaller1 = BindFirstOpaque<ConstMember1<Environment, FirstArgument, void, member>>;
/// \brief Forms a Callback from a non-const Environment reference and a free function which operates on a non-const Environment reference.
///
/// \dontinclude generic/callback.cpp
/// \skipline ReferenceCaller example
/// \until end example
-template<typename Environment, void( *func ) (Environment&)>
-class ReferenceCaller : public BindFirstOpaque< Function1<Environment&, void, func> >
-{
-public:
-ReferenceCaller( Environment& environment ) : BindFirstOpaque< Function1<Environment&, void, func> >( environment ){
-}
-};
+template<class Environment, void(*func)(Environment &)>
+using ReferenceCaller = BindFirstOpaque<Function1<Environment &, void, func>>;
/// \brief Forms a Callback from a const Environment reference and a free function which operates on a const Environment reference.
///
/// \dontinclude generic/callback.cpp
/// \skipline ReferenceCaller example
/// \until end example
-template<typename Environment, void( *func ) (const Environment&)>
-class ConstReferenceCaller : public BindFirstOpaque< Function1<const Environment&, void, func> >
-{
-public:
-ConstReferenceCaller( const Environment& environment ) : BindFirstOpaque< Function1<const Environment&, void, func> >( environment ){
-}
-};
+template<class Environment, void(*func)(const Environment &)>
+using ConstReferenceCaller = BindFirstOpaque<Function1<const Environment &, void, func>>;
/// \brief Forms a Callback from a non-const Environment reference and a free function which operates on a non-const Environment reference and one other argument.
-template<typename Environment, typename FirstArgument, void( *func ) ( Environment&, FirstArgument )>
-class ReferenceCaller1 : public BindFirstOpaque1< Function2<Environment&, FirstArgument, void, func> >
-{
-public:
-ReferenceCaller1( Environment& environment ) : BindFirstOpaque1< Function2<Environment&, FirstArgument, void, func> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(*func)(Environment &, FirstArgument)>
+using ReferenceCaller1 = BindFirstOpaque<Function2<Environment &, FirstArgument, void, func>>;
/// \brief Forms a Callback from a const Environment reference and a free function which operates on a const Environment reference and one other argument.
-template<typename Environment, typename FirstArgument, void( *func ) ( const Environment&, FirstArgument )>
-class ConstReferenceCaller1 : public BindFirstOpaque1< Function2<const Environment&, FirstArgument, void, func> >
-{
-public:
-ConstReferenceCaller1( const Environment& environment ) : BindFirstOpaque1< Function2<const Environment&, FirstArgument, void, func> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(*func)(const Environment &, FirstArgument)>
+using ConstReferenceCaller1 = BindFirstOpaque<Function2<const Environment &, FirstArgument, void, func>>;
/// \brief Forms a Callback from a non-const Environment pointer and a free function which operates on a non-const Environment pointer.
-template<typename Environment, void( *func ) (Environment*)>
-class PointerCaller : public BindFirstOpaque< Function1<Environment*, void, func> >
-{
-public:
-PointerCaller( Environment* environment ) : BindFirstOpaque< Function1<Environment*, void, func> >( environment ){
-}
-};
+template<class Environment, void(*func)(Environment *)>
+using PointerCaller = BindFirstOpaque<Function1<Environment *, void, func>>;
/// \brief Forms a Callback from a const Environment pointer and a free function which operates on a const Environment pointer.
-template<typename Environment, void( *func ) (const Environment*)>
-class ConstPointerCaller : public BindFirstOpaque< Function1<const Environment*, void, func> >
-{
-public:
-ConstPointerCaller( const Environment* environment ) : BindFirstOpaque< Function1<const Environment*, void, func> >( environment ){
-}
-};
+template<class Environment, void(*func)(const Environment *)>
+using ConstPointerCaller = BindFirstOpaque<Function1<const Environment *, void, func>>;
/// \brief Forms a Callback from a non-const Environment pointer and a free function which operates on a non-const Environment pointer and one other argument.
-template<typename Environment, typename FirstArgument, void( *func ) ( Environment*, FirstArgument )>
-class PointerCaller1 : public BindFirstOpaque1< Function2<Environment*, FirstArgument, void, func> >
-{
-public:
-PointerCaller1( Environment* environment ) : BindFirstOpaque1< Function2<Environment*, FirstArgument, void, func> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(*func)(Environment *, FirstArgument)>
+using PointerCaller1 = BindFirstOpaque<Function2<Environment *, FirstArgument, void, func>>;
/// \brief Forms a Callback from a const Environment pointer and a free function which operates on a const Environment pointer and one other argument.
-template<typename Environment, typename FirstArgument, void( *func ) ( const Environment*, FirstArgument )>
-class ConstPointerCaller1 : public BindFirstOpaque1< Function2<const Environment*, FirstArgument, void, func> >
-{
-public:
-ConstPointerCaller1( const Environment* environment ) : BindFirstOpaque1< Function2<const Environment*, FirstArgument, void, func> >( environment ){
-}
-};
+template<class Environment, class FirstArgument, void(*func)(const Environment *, FirstArgument)>
+using ConstPointerCaller1 = BindFirstOpaque<Function2<const Environment *, FirstArgument, void, func>>;
/// \brief Forms a Callback from a free function which takes no arguments.
-template<void( *func ) ( )>
-class FreeCaller : public BindFirstOpaque< Caller0To1< Function0<void, func> > >
-{
+template<void(*func)()>
+class FreeCaller : public BindFirstOpaque<Caller0To1<Function0<void, func>>> {
public:
-FreeCaller() : BindFirstOpaque< Caller0To1< Function0<void, func> > >( 0 ){
-}
+ FreeCaller() : BindFirstOpaque<Caller0To1<Function0<void, func>>>(0) {
+ }
};
/// \brief Forms a Callback from a free function which takes a single argument.
-template<typename FirstArgument, void( *func ) (FirstArgument)>
-class FreeCaller1 : public BindFirstOpaque1< Caller1To2< Function1<FirstArgument, void, func> > >
-{
+template<class FirstArgument, void(*func)(FirstArgument)>
+class FreeCaller1 : public BindFirstOpaque<Caller1To2<Function1<FirstArgument, void, func>>> {
public:
-FreeCaller1() : BindFirstOpaque1< Caller1To2< Function1<FirstArgument, void, func> > >( 0 ){
-}
+ FreeCaller1() : BindFirstOpaque<Caller1To2<Function1<FirstArgument, void, func>>>(0) {
+ }
};
///
/// \param Functor Must define \c first_argument_type and \c operator()(first_argument_type).
template<typename Functor>
-inline Callback1<typename Functor::first_argument_type> makeCallback1( Functor& functor ){
- typedef typename Functor::first_argument_type FirstArgument;
+inline Callback1<get_argument<Functor, 0>> makeCallback1(Functor &functor) {
+ typedef get_argument<Functor, 0> FirstArgument;
return Callback1<FirstArgument>( MemberCaller1<Functor, FirstArgument, &Functor::operator()>( functor ) );
}
///
/// \param Functor Must define \c first_argument_type and const \c operator()(first_argument_type).
template<typename Functor>
-inline Callback1<typename Functor::first_argument_type> makeCallback1( const Functor& functor ){
- typedef typename Functor::first_argument_type FirstArgument;
+inline Callback1<get_argument<Functor, 0>> makeCallback1(const Functor &functor) {
+ typedef get_argument<Functor, 0> FirstArgument;
return Callback1<FirstArgument>( ConstMemberCaller1<Functor, FirstArgument, &Functor::operator()>( functor ) );
}