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// settergetter.h
#ifndef SETTERGETTER_H
#define SETTERGETTER_H
#include "mxv_types.h"
template <class Type>
class SetterGetter {
public:
virtual ~SetterGetter() {}
virtual boolean set(Type) = 0;
virtual Type get() const = 0;
};
template <class Type>
class PointerSetterGetter : public SetterGetter<Type> {
public:
PointerSetterGetter(Type *val) : ptr(val) {}
redefined boolean set(Type val) { *ptr = val; return true; }
redefined Type get() const { return *ptr; }
private:
Type* ptr;
};
template <class Type>
inline SetterGetter<Type>* createSetterGetter(Type* val) {
return new PointerSetterGetter<Type>(val);
}
template <class Object, class Type>
class MethodVoidSetterGetter : public SetterGetter<Type> {
public:
MethodVoidSetterGetter(Object* objptr,
void (Object::*setfunc)(Type),
Type (Object::*getfunc)() const)
: obj(objptr), setter(setfunc), getter(getfunc) {}
redefined boolean set(Type value) {
(obj->*setter)(value); return true;
}
redefined Type get() const { return (obj->*getter)(); }
private:
Object* obj;
void (Object::*setter)(Type);
Type (Object::*getter)() const;
};
#ifndef __GNUG__
template <class Object, class Type>
inline SetterGetter<Type>* createSetterGetter(
Object* objptr,
void (Object::*setfunc)(Type),
Type (Object::*getfunc)() const) {
return new MethodVoidSetterGetter<Object, Type>(objptr, setfunc, getfunc);
}
#endif
template <class Object, class Status, class Type>
class MethodSetterGetter : public SetterGetter<Type> {
public:
MethodSetterGetter(Object* objptr,
Status (Object::*setfunc)(Type),
Type (Object::*getfunc)() const)
: obj(objptr), setter(setfunc), getter(getfunc) {}
redefined boolean set(Type value) {
return boolean((obj->*setter)(value));
}
redefined Type get() const { return (obj->*getter)(); }
private:
Object* obj;
Status (Object::*setter)(Type);
Type (Object::*getter)() const;
};
template <class Object, class Status, class Type>
inline SetterGetter<Type>* createSetterGetter(
Object* objptr,
Status (Object::*setfunc)(Type),
Type (Object::*getfunc)() const) {
return new MethodSetterGetter<Object, Status, Type>(objptr, setfunc, getfunc);
}
//********
template <class Status, class Type>
class FunctionSetterGetter : public SetterGetter<Type> {
public:
FunctionSetterGetter(Status (*setfunc)(Type), Type (*getfunc)())
: setter(setfunc), getter(getfunc) {}
redefined boolean set(Type value) { (*setter)(value); return true; }
redefined Type get() const { return (*getter)(); }
private:
Status (*setter)(Type);
Type (*getter)();
};
template <class Status, class Type>
inline SetterGetter<Type>* createSetterGetter(
Status (*setfunc)(Type),
Type (*getfunc)()) {
return new FunctionSetterGetter<Status, Type>(setfunc, getfunc);
}
#endif
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