#include <cstddef>
#include "functional.h"
-#include "callbackfwd.h"
template<typename Type>
inline void* convertToOpaque( Type* t ){
template<class Caller>
using BindFirstOpaque = BindFirstOpaqueN<Caller, get_func<Caller>>;
+/// \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<class F>
class CallbackN;
}
};
-/// \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<class Result>
-class Callback0 : public CallbackN<Result()> {
-public:
- using CallbackN<Result()>::CallbackN;
-};
+namespace detail {
+ template<class F>
+ struct Arglist;
-template<typename Caller>
-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<get_result_type<Caller>> makeStatelessCallback0(const Caller &caller) {
- return makeCallback0( Caller0To1<Caller>(), 0 );
-}
+ template<class R, class Head, class... Ts>
+ struct Arglist<R(Head, Ts...)> {
+ using type = R(Head, Ts...);
-typedef Callback0<void> Callback;
+ template <class Unshift>
+ using unshift = Arglist<R(Unshift, Head, Ts...)>;
+ using shift = Arglist<R(Ts...)>;
+ };
+ template<class R, class... Ts>
+ struct Arglist<R(Ts...)> {
+ using type = R(Ts...);
-/// \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<class FirstArgument, class Result>
-class Callback1 : public CallbackN<Result(FirstArgument)> {
-public:
- using CallbackN<Result(FirstArgument)>::CallbackN;
-};
-
-template<typename Caller>
-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 <class Unshift>
+ using unshift = Arglist<R(Unshift, Ts...)>;
+ };
}
-template<typename 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 CallbackN<Result(FirstArgument, SecondArgument)> {
-public:
- using CallbackN<Result(FirstArgument, SecondArgument)>::CallbackN;
-};
template<typename Caller>
-inline Callback2<
- get_argument<Caller, 1>,
- get_argument<Caller, 2>,
- get_result_type<Caller>
-> makeCallback2(const Caller &caller, get_argument<Caller, 0> callee) {
- return Callback2<
- get_argument<Caller, 1>,
- get_argument<Caller, 2>,
- get_result_type<Caller>
- >(BindFirstOpaque<Caller>(callee));
+inline CallbackN<typename detail::Arglist<get_func<Caller>>::shift::type> makeCallbackN(const Caller &caller, get_argument<Caller, 0> callee) {
+ return CallbackN<typename detail::Arglist<get_func<Caller>>::shift::type>(BindFirstOpaque<Caller>(callee));
}
+
template<typename Caller>
-inline Callback2<
- get_argument<Caller, 0>,
- get_argument<Caller, 1>,
- get_result_type<Caller>
-> makeStatelessCallback2(const Caller &caller) {
- return makeCallback2( Caller2To3<Caller>(), 0 );
+inline CallbackN<get_func<Caller>> makeStatelessCallbackN(const Caller &caller) {
+ return makeCallbackN(CallerShiftFirst<Caller, typename detail::Arglist<get_func<Caller>>::template unshift<void *>::type>(), nullptr);
}
+namespace detail {
+ template<class Object, class F>
+ struct MemberFunction;
-/// \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 CallbackN<Result(FirstArgument, SecondArgument, ThirdArgument)> {
-public:
- using CallbackN<Result(FirstArgument, SecondArgument, ThirdArgument)>::CallbackN;
-};
-
-template<typename Caller>
-inline Callback3<
- 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<
- get_argument<Caller, 1>,
- get_argument<Caller, 2>,
- get_argument<Caller, 3>,
- get_result_type<Caller>
- >(BindFirstOpaque<Caller>(callee));
-}
-template<typename Caller>
-inline Callback3<
- 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 );
+ template<class Object, class R, class... Ts>
+ struct MemberFunction<Object, R(Ts...)> {
+ using type = R(Object::*)(Ts...);
+ using type_const = R(Object::*)(Ts...) const;
+ };
}
+template<class Object, class F>
+using MemberFunction = typename detail::MemberFunction<Object, F>::type;
+
+template<class Object, class F>
+using ConstMemberFunction = typename detail::MemberFunction<Object, F>::type_const;
/// \brief Forms a Callback from a non-const Environment reference and a non-const Environment member-function.
///
/// \dontinclude generic/callback.cpp
/// \skipline MemberCaller example
/// \until end example
-template<class Environment, void(Environment::*member)()>
-using MemberCaller = BindFirstOpaque<Member<Environment, void, member>>;
+
+template<class Environment, class F, MemberFunction<Environment, F> member>
+using MemberCallerN = BindFirstOpaque<typename MemberN<Environment, F>::template instance<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<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<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<class Environment, class FirstArgument, void(Environment::*member)(FirstArgument) const>
-using ConstMemberCaller1 = BindFirstOpaque<ConstMember1<Environment, FirstArgument, void, member>>;
+template<class Environment, class F, ConstMemberFunction<Environment, F> member>
+using ConstMemberCallerN = BindFirstOpaque<typename ConstMemberN<Environment, F>::template instance<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<class Environment, void(*func)(Environment &)>
-using ReferenceCaller = BindFirstOpaque<Function1<Environment &, void, func>>;
+template<class Environment, class F, typename detail::Arglist<F>::template unshift<Environment &>::type *func>
+using ReferenceCallerN = BindFirstOpaque<typename FunctionN<typename detail::Arglist<F>::template unshift<Environment &>::type>::template instance<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<class Environment, class F, typename detail::Arglist<F>::template unshift<const Environment &>::type *func>
+using ConstReferenceCallerN = BindFirstOpaque<typename FunctionN<typename detail::Arglist<F>::template unshift<const Environment &>::type>::template instance<func>>;
+
+/// \brief Forms a Callback from a non-const Environment pointer and a free function which operates on a non-const Environment pointer.
+template<class Environment, class F, typename detail::Arglist<F>::template unshift<Environment *>::type *func>
+using PointerCallerN = BindFirstOpaque<typename FunctionN<typename detail::Arglist<F>::template unshift<Environment *>::type>::template instance<func>>;
+
+/// \brief Forms a Callback from a const Environment pointer and a free function which operates on a const Environment pointer.
+template<class Environment, class F, typename detail::Arglist<F>::template unshift<const Environment *>::type *func>
+using ConstPointerCallerN = BindFirstOpaque<typename FunctionN<typename detail::Arglist<F>::template unshift<const Environment *>::type>::template instance<func>>;
+
+/// \brief Forms a Callback from a free function
+template<class F, F *func>
+class FreeCallerN : public BindFirstOpaque<CallerShiftFirst<
+ typename FunctionN<F>::template instance<func>,
+ typename detail::Arglist<F>::template unshift<void *>::type
+>> {
+public:
+ FreeCallerN()
+ : BindFirstOpaque<CallerShiftFirst<
+ typename FunctionN<F>::template instance<func>,
+ typename detail::Arglist<F>::template unshift<void *>::type
+ >>(nullptr) {
+ }
+};
+
+/// \brief Constructs a Callback1 from a non-const \p functor
+///
+/// \param Functor Must define \c first_argument_type and \c operator()(first_argument_type).
+template<typename Functor>
+inline CallbackN<get_func<Functor>> makeCallbackN(Functor &functor) {
+ return CallbackN<get_func<Functor>>(MemberCallerN<Functor, get_func<Functor>, &Functor::operator()>(functor));
+}
+
+/// \brief Constructs a Callback1 from a const \p functor
+///
+/// \param Functor Must define \c first_argument_type and const \c operator()(first_argument_type).
+template<typename Functor>
+inline CallbackN<get_func<Functor>> makeCallbackN(const Functor &functor) {
+ return CallbackN<get_func<Functor>>(ConstMemberCallerN<Functor, get_func<Functor>, &Functor::operator()>(functor));
+}
+
+// todo: inline
+
+#define makeCallback makeCallbackN
+
+using Callback = CallbackN<void()>;
+
+template<class Result>
+using Callback0 = CallbackN<Result()>;
+
+template<class FirstArgument, class Result = void>
+using Callback1 = CallbackN<Result(FirstArgument)>;
+
+template<typename FirstArgument, typename SecondArgument, typename Result = void>
+using Callback2 = CallbackN<Result(FirstArgument, SecondArgument)>;
+
+template<typename FirstArgument, typename SecondArgument, typename ThirdArgument, typename Result = void>
+using Callback3 = CallbackN<Result(FirstArgument, SecondArgument, ThirdArgument)>;
+
+#define makeCallback0 makeCallbackN
+#define makeStatelessCallback0 makeStatelessCallbackN
+
+#define makeCallback1 makeCallbackN
+#define makeStatelessCallback1 makeStatelessCallbackN
+
+#define makeCallback2 makeCallbackN
+#define makeStatelessCallback2 makeStatelessCallbackN
+
+#define makeCallback3 makeCallbackN
+#define makeStatelessCallback3 makeStatelessCallbackN
+
+template<class Environment, void(Environment::*member)()>
+using MemberCaller = MemberCallerN<Environment, void(), member>;
+
+template<class Environment, void(Environment::*member)() const>
+using ConstMemberCaller = ConstMemberCallerN<Environment, void(), member>;
+
+template<class Environment, class FirstArgument, void(Environment::*member)(FirstArgument)>
+using MemberCaller1 = MemberCallerN<Environment, void(FirstArgument), member>;
+
+template<class Environment, class FirstArgument, void(Environment::*member)(FirstArgument) const>
+using ConstMemberCaller1 = ConstMemberCallerN<Environment, void(FirstArgument), member>;
+
+template<class Environment, void(*func)(Environment &)>
+using ReferenceCaller = ReferenceCallerN<Environment, void(), func>;
+
template<class Environment, void(*func)(const Environment &)>
-using ConstReferenceCaller = BindFirstOpaque<Function1<const Environment &, void, func>>;
+using ConstReferenceCaller = ConstReferenceCallerN<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<class Environment, class FirstArgument, void(*func)(Environment &, FirstArgument)>
-using ReferenceCaller1 = BindFirstOpaque<Function2<Environment &, FirstArgument, void, func>>;
+using ReferenceCaller1 = ReferenceCallerN<Environment, void(FirstArgument), 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<class Environment, class FirstArgument, void(*func)(const Environment &, FirstArgument)>
-using ConstReferenceCaller1 = BindFirstOpaque<Function2<const Environment &, FirstArgument, void, func>>;
+using ConstReferenceCaller1 = ConstReferenceCallerN<Environment, void(FirstArgument), func>;
/// \brief Forms a Callback from a non-const Environment pointer and a free function which operates on a non-const Environment pointer.
template<class Environment, void(*func)(Environment *)>
-using PointerCaller = BindFirstOpaque<Function1<Environment *, void, func>>;
+using PointerCaller = PointerCallerN<Environment, void(), func>;
/// \brief Forms a Callback from a const Environment pointer and a free function which operates on a const Environment pointer.
template<class Environment, void(*func)(const Environment *)>
-using ConstPointerCaller = BindFirstOpaque<Function1<const Environment *, void, func>>;
+using ConstPointerCaller = ConstPointerCallerN<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<class Environment, class FirstArgument, void(*func)(Environment *, FirstArgument)>
-using PointerCaller1 = BindFirstOpaque<Function2<Environment *, FirstArgument, void, func>>;
+using PointerCaller1 = PointerCallerN<Environment, void(FirstArgument), 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<class Environment, class FirstArgument, void(*func)(const Environment *, FirstArgument)>
-using ConstPointerCaller1 = BindFirstOpaque<Function2<const Environment *, FirstArgument, void, func>>;
+using ConstPointerCaller1 = ConstPointerCallerN<Environment, void(FirstArgument), func>;
-/// \brief Forms a Callback from a free function which takes no arguments.
template<void(*func)()>
-class FreeCaller : public BindFirstOpaque<Caller0To1<Function0<void, func>>> {
-public:
- FreeCaller() : BindFirstOpaque<Caller0To1<Function0<void, func>>>(0) {
- }
-};
+using FreeCaller = FreeCallerN<void(), func>;
-/// \brief Forms a Callback from a free function which takes a single argument.
template<class FirstArgument, void(*func)(FirstArgument)>
-class FreeCaller1 : public BindFirstOpaque<Caller1To2<Function1<FirstArgument, void, func>>> {
-public:
- FreeCaller1() : BindFirstOpaque<Caller1To2<Function1<FirstArgument, void, func>>>(0) {
- }
-};
-
-
-/// \brief Constructs a Callback from a non-const \p functor with zero arguments.
-///
-/// \param Functor Must define \c operator()().
-template<typename Functor>
-inline Callback makeCallback( Functor& functor ){
- return Callback( MemberCaller<Functor, &Functor::operator()>( functor ) );
-}
-
-/// \brief Constructs a Callback from a const \p functor with zero arguments.
-///
-/// \param Functor Must define const \c operator()().
-template<typename Functor>
-inline Callback makeCallback( const Functor& functor ){
- return Callback( ConstMemberCaller<Functor, &Functor::operator()>( functor ) );
-}
-
-/// \brief Constructs a Callback1 from a non-const \p functor with one argument.
-///
-/// \param Functor Must define \c first_argument_type and \c operator()(first_argument_type).
-template<typename Functor>
-inline Callback1<get_argument<Functor, 0>> makeCallback1(Functor &functor) {
- typedef get_argument<Functor, 0> FirstArgument;
- return Callback1<FirstArgument>( MemberCaller1<Functor, FirstArgument, &Functor::operator()>( functor ) );
-}
-
-/// \brief Constructs a Callback1 from a const \p functor with one argument.
-///
-/// \param Functor Must define \c first_argument_type and const \c operator()(first_argument_type).
-template<typename Functor>
-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 ) );
-}
-
+using FreeCaller1 = FreeCallerN<void(FirstArgument), func>;
typedef Callback1<bool> BoolImportCallback;
typedef Callback1<const BoolImportCallback&> BoolExportCallback;
typedef Callback1<std::size_t> SizeImportCallback;
typedef Callback1<const SizeImportCallback&> SizeExportCallback;
-
#endif
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