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ExtensionSystem: Use variadic template and fold expression

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Change-Id: Id5a5bc195029398a9ca2e813929234470caf4286
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
Jarek Kobus
2025-02-20 07:50:16 +01:00
parent c8cd64d47f
commit d72b3f1b67
1 changed files with 9 additions and 84 deletions
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93
src/libs/extensionsystem/invoker.h
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@@ -55,36 +55,11 @@ template <class Result>
class Invoker : public InvokerBase class Invoker : public InvokerBase
{ {
public: public:
Invoker(QObject *target, const char *slot) template <typename ...Args>
{ Invoker(QObject *target, const char *slot, const Args &...args)
InvokerBase::invoke(target, slot);
}
template <class T0>
Invoker(QObject *target, const char *slot, const T0 &t0)
{ {
setReturnValue(result); setReturnValue(result);
addArgument(t0); (addArgument(args), ...);
InvokerBase::invoke(target, slot);
}
template <class T0, class T1>
Invoker(QObject *target, const char *slot, const T0 &t0, const T1 &t1)
{
setReturnValue(result);
addArgument(t0);
addArgument(t1);
InvokerBase::invoke(target, slot);
}
template <class T0, class T1, class T2>
Invoker(QObject *target, const char *slot, const T0 &t0,
const T1 &t1, const T2 &t2)
{
setReturnValue(result);
addArgument(t0);
addArgument(t1);
addArgument(t2);
InvokerBase::invoke(target, slot); InvokerBase::invoke(target, slot);
} }
@@ -97,33 +72,10 @@ private:
template<> class Invoker<void> : public InvokerBase template<> class Invoker<void> : public InvokerBase
{ {
public: public:
Invoker(QObject *target, const char *slot) template <typename ...Args>
Invoker(QObject *target, const char *slot, const Args &...args)
{ {
InvokerBase::invoke(target, slot); (addArgument(args), ...);
}
template <class T0>
Invoker(QObject *target, const char *slot, const T0 &t0)
{
addArgument(t0);
InvokerBase::invoke(target, slot);
}
template <class T0, class T1>
Invoker(QObject *target, const char *slot, const T0 &t0, const T1 &t1)
{
addArgument(t0);
addArgument(t1);
InvokerBase::invoke(target, slot);
}
template <class T0, class T1, class T2>
Invoker(QObject *target, const char *slot, const T0 &t0,
const T1 &t1, const T2 &t2)
{
addArgument(t0);
addArgument(t1);
addArgument(t2);
InvokerBase::invoke(target, slot); InvokerBase::invoke(target, slot);
} }
}; };
@@ -145,38 +97,11 @@ inline void invokeHelper<void>(InvokerBase &in, QObject *target, const char *slo
} }
#endif #endif
template<class Result> template<class Result, typename ...Args>
Result invoke(QObject *target, const char *slot) Result invoke(QObject *target, const char *slot, const Args &...args)
{ {
InvokerBase in; InvokerBase in;
return invokeHelper<Result>(in, target, slot); (in.addArgument(args), ...);
}
template<class Result, class T0>
Result invoke(QObject *target, const char *slot, const T0 &t0)
{
InvokerBase in;
in.addArgument(t0);
return invokeHelper<Result>(in, target, slot);
}
template<class Result, class T0, class T1>
Result invoke(QObject *target, const char *slot, const T0 &t0, const T1 &t1)
{
InvokerBase in;
in.addArgument(t0);
in.addArgument(t1);
return invokeHelper<Result>(in, target, slot);
}
template<class Result, class T0, class T1, class T2>
Result invoke(QObject *target, const char *slot,
const T0 &t0, const T1 &t1, const T2 &t2)
{
InvokerBase in;
in.addArgument(t0);
in.addArgument(t1);
in.addArgument(t2);
return invokeHelper<Result>(in, target, slot); return invokeHelper<Result>(in, target, slot);
} }