/usr/include/cegui-0.8.7/CEGUI/FunctorCopySlot.h is in libcegui-mk2-dev 0.8.7-1.3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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created: Tue Feb 28 2006
authors: Paul D Turner <paul@cegui.org.uk>
Martin Preisler <martin@preisler.me>
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2014 Paul D Turner & The CEGUI Development Team
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIFunctorCopySlot_h_
#define _CEGUIFunctorCopySlot_h_
#include "CEGUI/SlotFunctorBase.h"
// Start of CEGUI namespace section
namespace CEGUI
{
namespace FunctorCopySlot_detail
{
typedef char Yes;
typedef int No;
template<typename T>
struct HasBoolEventArgsConstOp
{
template<typename U, bool (U::*)(const EventArgs&) const> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasBoolEventArgsOp
{
template<typename U, bool (U::*)(const EventArgs&)> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasVoidEventArgsConstOp
{
template<typename U, void (U::*)(const EventArgs&) const> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasVoidEventArgsOp
{
template<typename U, void (U::*)(const EventArgs&)> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasBoolNoArgsConstOp
{
template<typename U, bool (U::*)() const> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasBoolNoArgsOp
{
template<typename U, bool (U::*)()> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
template<typename T>
struct HasVoidNoArgsConstOp
{
template<typename U, void (U::*)() const> struct SFINAE {};
template<typename U> static Yes Test(SFINAE<U, &U::operator()>*);
template<typename U> static No Test(...);
static const bool Value = sizeof(Test<T>(0)) == sizeof(Yes);
};
// The following 3 templates use the same idea as boost::disable_if
template <bool B, class T = void>
struct DisableIfC
{
typedef T Type;
};
template <class T>
struct DisableIfC<true, T>
{};
template <class Cond, class T = void>
struct DisableIf : public DisableIfC<Cond::Value, T>
{};
// The following is just overload trickery to accommodate 8 allowed
// operator() signatures:
//
// 1) bool (const EventArgs&) const = BoolEventArgsConstOp
// 2) bool (const EventArgs&) = BoolEventArgsOp
// 3) void (const EventArgs&) const = VoidEventArgsConstOp
// 4) void (const EventArgs&) = VoidEventArgsOp
// 5) bool () const = BoolNoArgsConstOp
// 6) bool () = BoolNoArgsOp
// 7) void () const = VoidNoArgsConstOp
// 8) void () = VoidNoArgsOp
//
// The calls are priorised as outlined above, if call 1) is possible, no
// other variants are tried, ...
template<typename T>
inline bool call(const T& functor, bool(T::*member_fn)(const EventArgs&) const, const EventArgs& args,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0
)
{
return CEGUI_CALL_MEMBER_FN(functor, member_fn)(args);
}
template<typename T>
inline bool call(T& functor, bool(T::*member_fn)(const EventArgs&), const EventArgs& args,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0
)
{
return CEGUI_CALL_MEMBER_FN(functor, member_fn)(args);
}
template<typename T>
inline bool call(const T& functor, void(T::*member_fn)(const EventArgs&) const, const EventArgs& args,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0
)
{
CEGUI_CALL_MEMBER_FN(functor, member_fn)(args);
return true;
}
template<typename T>
inline bool call(T& functor, void(T::*member_fn)(const EventArgs&), const EventArgs& args,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsConstOp<T> >::Type* = 0,
void* = 0,
void* = 0,
void* = 0,
void* = 0
)
{
CEGUI_CALL_MEMBER_FN(functor, member_fn)(args);
return true;
}
template<typename T>
inline bool call(const T& functor, bool(T::*member_fn)() const, const EventArgs& /*args*/,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsOp<T> >::Type* = 0,
void* = 0,
void* = 0,
void* = 0
)
{
return CEGUI_CALL_MEMBER_FN(functor, member_fn)();
}
template<typename T>
inline bool call(T& functor, bool(T::*member_fn)(), const EventArgs& /*args*/,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasBoolNoArgsConstOp<T> >::Type* = 0,
void* = 0,
void* = 0
)
{
return CEGUI_CALL_MEMBER_FN(functor, member_fn)();
}
template<typename T>
inline bool call(const T& functor, void(T::*member_fn)() const, const EventArgs& /*args*/,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasBoolNoArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolNoArgsOp<T> >::Type* = 0,
void* = 0
)
{
CEGUI_CALL_MEMBER_FN(functor, member_fn)();
return true;
}
template<typename T>
inline bool call(T& functor, void(T::*member_fn)(), const EventArgs& /*args*/,
typename DisableIf<HasBoolEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasVoidEventArgsOp<T> >::Type* = 0,
typename DisableIf<HasBoolNoArgsConstOp<T> >::Type* = 0,
typename DisableIf<HasBoolNoArgsOp<T> >::Type* = 0,
typename DisableIf<HasVoidNoArgsConstOp<T> >::Type* = 0
)
{
CEGUI_CALL_MEMBER_FN(functor, member_fn)();
return true;
}
}
/*!
\brief
Slot template class that creates a functor that calls back via a copy of a
functor object.
*/
template<typename T>
class FunctorCopySlot : public SlotFunctorBase
{
public:
FunctorCopySlot(const T& functor):
d_functor(functor)
{}
virtual bool operator()(const EventArgs& args)
{
return FunctorCopySlot_detail::call<T>(d_functor, &T::operator(), args);
}
private:
T d_functor;
};
}
#endif // end of guard _CEGUIFunctorCopySlot_h_
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