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Added MethodDeleter class, which calls a specified method on the object

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when destroyed.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25067 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-04-20 02:54:38 +00:00
parent 0c45a1202d
commit e378ab1c09
1 changed files with 44 additions and 1 deletions
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45
headers/private/shared/AutoDeleter.h
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@ -141,7 +141,7 @@ struct CObjectDelete
template<typename Destructor>
inline void operator=(Destructor destructor)
{
fDestructor = /*(void (*)(Type*))*/destructor;
fDestructor = destructor;
}
private:
@ -167,11 +167,54 @@ struct CObjectDeleter
}
};
// MethodDeleter
template<typename Type, typename DestructorReturnType>
struct MethodDelete
{
inline void operator()(Type *object)
{
if (fDestructor)
(object->*fDestructor)();
}
template<typename Destructor>
inline void operator=(Destructor destructor)
{
fDestructor = destructor;
}
private:
DestructorReturnType (Type::*fDestructor)();
};
template<typename Type, typename DestructorReturnType = void>
struct MethodDeleter
: AutoDeleter<Type, MethodDelete<Type, DestructorReturnType> >
{
typedef AutoDeleter<Type, MethodDelete<Type, DestructorReturnType> > Base;
template<typename Destructor>
MethodDeleter(Destructor destructor) : Base()
{
Base::fDelete = destructor;
}
template<typename Destructor>
MethodDeleter(Type *object, Destructor destructor) : Base(object)
{
Base::fDelete = destructor;
}
};
} // namespace BPrivate
using BPrivate::ObjectDeleter;
using BPrivate::ArrayDeleter;
using BPrivate::MemoryDeleter;
using BPrivate::CObjectDeleter;
using BPrivate::MethodDeleter;
#endif // _AUTO_DELETER_H