/usr/include/telepathy-qt5/TelepathyQt/callbacks.h is in libtelepathy-qt5-dev 0.9.7-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2012 Collabora Ltd. <http://www.collabora.co.uk/>
* @copyright Copyright (C) 2012 Nokia Corporation
* @license LGPL 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _TelepathyQt_callbacks_h_HEADER_GUARD_
#define _TelepathyQt_callbacks_h_HEADER_GUARD_
#ifndef IN_TP_QT_HEADER
#error IN_TP_QT_HEADER
#endif
#include <TelepathyQt/Functors>
#include <TelepathyQt/Global>
namespace Tp
{
struct TP_QT_EXPORT AbstractFunctorCaller
{
typedef void *(*HookType)(void*);
AbstractFunctorCaller(HookType invokeMethodHook) : invokeMethodHook(invokeMethodHook) {}
virtual ~AbstractFunctorCaller() {}
virtual AbstractFunctorCaller *clone() const = 0;
HookType invokeMethodHook;
private:
AbstractFunctorCaller(const AbstractFunctorCaller &other);
AbstractFunctorCaller &operator=(const AbstractFunctorCaller &other);
};
template <class T, class Functor>
struct BaseFunctorCaller : public AbstractFunctorCaller
{
BaseFunctorCaller(const Functor &functor, AbstractFunctorCaller::HookType invokeMethodHook)
: AbstractFunctorCaller(invokeMethodHook),
functor(functor) {}
virtual ~BaseFunctorCaller() {}
virtual AbstractFunctorCaller *clone() const { return new T(functor); }
Functor functor;
};
struct TP_QT_EXPORT BaseCallback
{
BaseCallback() : caller(0) {}
/* takes ownership of caller */
BaseCallback(AbstractFunctorCaller *caller) : caller(caller) {}
BaseCallback(const BaseCallback &other) : caller(other.caller->clone()) {}
virtual ~BaseCallback() { delete caller; }
bool isValid() const { return caller != 0; }
BaseCallback &operator=(const BaseCallback &other)
{
if (caller == other.caller) return *this;
delete caller;
caller = other.caller->clone();
return *this;
}
protected:
/* may be null */
AbstractFunctorCaller *caller;
};
template <class Functor, class R >
struct FunctorCaller0 : public BaseFunctorCaller<FunctorCaller0<Functor, R >, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* );
explicit FunctorCaller0(const Functor &functor) : BaseFunctorCaller<FunctorCaller0, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller0<Functor, R >::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call )
{
typedef FunctorCaller0<Functor, R > Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)();
}
};
template <class R >
struct Callback0 : public BaseCallback
{
typedef R (*FunctionType)();
typedef R ResultType;
Callback0() {}
template <class Functor>
Callback0(const Functor &functor) : BaseCallback(new FunctorCaller0<Functor, R >(functor)) {}
ResultType operator()() const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* );
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller );
}
return ResultType();
}
};
template <class Functor, class R , class Arg1>
struct FunctorCaller1 : public BaseFunctorCaller<FunctorCaller1<Functor, R , Arg1>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1);
explicit FunctorCaller1(const Functor &functor) : BaseFunctorCaller<FunctorCaller1, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller1<Functor, R , Arg1>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1)
{
typedef FunctorCaller1<Functor, R , Arg1> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1);
}
};
template <class R , class Arg1>
struct Callback1 : public BaseCallback
{
typedef R (*FunctionType)(Arg1);
typedef R ResultType;
Callback1() {}
template <class Functor>
Callback1(const Functor &functor) : BaseCallback(new FunctorCaller1<Functor, R , Arg1>(functor)) {}
ResultType operator()(Arg1 a1) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2>
struct FunctorCaller2 : public BaseFunctorCaller<FunctorCaller2<Functor, R , Arg1, Arg2>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2);
explicit FunctorCaller2(const Functor &functor) : BaseFunctorCaller<FunctorCaller2, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller2<Functor, R , Arg1, Arg2>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2)
{
typedef FunctorCaller2<Functor, R , Arg1, Arg2> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2);
}
};
template <class R , class Arg1, class Arg2>
struct Callback2 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2);
typedef R ResultType;
Callback2() {}
template <class Functor>
Callback2(const Functor &functor) : BaseCallback(new FunctorCaller2<Functor, R , Arg1, Arg2>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2, class Arg3>
struct FunctorCaller3 : public BaseFunctorCaller<FunctorCaller3<Functor, R , Arg1, Arg2, Arg3>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3);
explicit FunctorCaller3(const Functor &functor) : BaseFunctorCaller<FunctorCaller3, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller3<Functor, R , Arg1, Arg2, Arg3>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2, Arg3 a3)
{
typedef FunctorCaller3<Functor, R , Arg1, Arg2, Arg3> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2, a3);
}
};
template <class R , class Arg1, class Arg2, class Arg3>
struct Callback3 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2, Arg3);
typedef R ResultType;
Callback3() {}
template <class Functor>
Callback3(const Functor &functor) : BaseCallback(new FunctorCaller3<Functor, R , Arg1, Arg2, Arg3>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2, Arg3 a3) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2, a3);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2, class Arg3, class Arg4>
struct FunctorCaller4 : public BaseFunctorCaller<FunctorCaller4<Functor, R , Arg1, Arg2, Arg3, Arg4>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4);
explicit FunctorCaller4(const Functor &functor) : BaseFunctorCaller<FunctorCaller4, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller4<Functor, R , Arg1, Arg2, Arg3, Arg4>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4)
{
typedef FunctorCaller4<Functor, R , Arg1, Arg2, Arg3, Arg4> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2, a3, a4);
}
};
template <class R , class Arg1, class Arg2, class Arg3, class Arg4>
struct Callback4 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2, Arg3, Arg4);
typedef R ResultType;
Callback4() {}
template <class Functor>
Callback4(const Functor &functor) : BaseCallback(new FunctorCaller4<Functor, R , Arg1, Arg2, Arg3, Arg4>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2, a3, a4);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5>
struct FunctorCaller5 : public BaseFunctorCaller<FunctorCaller5<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5);
explicit FunctorCaller5(const Functor &functor) : BaseFunctorCaller<FunctorCaller5, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller5<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5)
{
typedef FunctorCaller5<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2, a3, a4, a5);
}
};
template <class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5>
struct Callback5 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2, Arg3, Arg4, Arg5);
typedef R ResultType;
Callback5() {}
template <class Functor>
Callback5(const Functor &functor) : BaseCallback(new FunctorCaller5<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2, a3, a4, a5);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6>
struct FunctorCaller6 : public BaseFunctorCaller<FunctorCaller6<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6);
explicit FunctorCaller6(const Functor &functor) : BaseFunctorCaller<FunctorCaller6, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller6<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5, Arg6 a6)
{
typedef FunctorCaller6<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2, a3, a4, a5, a6);
}
};
template <class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6>
struct Callback6 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6);
typedef R ResultType;
Callback6() {}
template <class Functor>
Callback6(const Functor &functor) : BaseCallback(new FunctorCaller6<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5, Arg6 a6) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2, a3, a4, a5, a6);
}
return ResultType();
}
};
template <class Functor, class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7>
struct FunctorCaller7 : public BaseFunctorCaller<FunctorCaller7<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7>, Functor>
{
typedef R ResultType;
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7);
explicit FunctorCaller7(const Functor &functor) : BaseFunctorCaller<FunctorCaller7, Functor>(functor, reinterpret_cast<AbstractFunctorCaller::HookType>(&FunctorCaller7<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7>::invoke)) {}
static ResultType invoke(AbstractFunctorCaller *call , Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5, Arg6 a6, Arg7 a7)
{
typedef FunctorCaller7<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7> Type;
Type *typed = static_cast<Type*>(call);
return (typed->functor)(a1, a2, a3, a4, a5, a6, a7);
}
};
template <class R , class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7>
struct Callback7 : public BaseCallback
{
typedef R (*FunctionType)(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7);
typedef R ResultType;
Callback7() {}
template <class Functor>
Callback7(const Functor &functor) : BaseCallback(new FunctorCaller7<Functor, R , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7>(functor)) {}
ResultType operator()(Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4, Arg5 a5, Arg6 a6, Arg7 a7) const
{
if (caller) {
typedef R (*InvokeType)(AbstractFunctorCaller* , Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7);
InvokeType invokeMethod = reinterpret_cast<InvokeType>(caller->invokeMethodHook);
return invokeMethod(caller , a1, a2, a3, a4, a5, a6, a7);
}
return ResultType();
}
};
}
#endif
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