runmethod.cpp

/**
* Specialization for methods that don't return void.  Sets v8::FunctionCallbackInfo::GetReturnValue to value returned by the method
*/
template<typename RETURN_TYPE, typename CLASS_TYPE, typename ... PARAMETERS>
struct RunMethod<RETURN_TYPE(CLASS_TYPE::*)(PARAMETERS...)>{
	typedef RETURN_TYPE(CLASS_TYPE::*METHOD_TYPE)(PARAMETERS...);

	void operator()(CLASS_TYPE & object, METHOD_TYPE method, const v8::FunctionCallbackInfo<v8::Value> & info, PARAMETERS... parameters) {
		RETURN_TYPE return_value = (object.*method)(parameters...);
		auto casted_result = CastToJS<RETURN_TYPE>()(info.GetIsolate(), return_value);
		info.GetReturnValue().Set(casted_result);
	}
};

// const method version 
template<typename RETURN_TYPE, typename CLASS_TYPE, typename ... PARAMETERS>
struct RunMethod<RETURN_TYPE(CLASS_TYPE::*)(PARAMETERS...) const>{
	typedef RETURN_TYPE(CLASS_TYPE::*METHOD_TYPE)(PARAMETERS...) const;

	void operator()(CLASS_TYPE & object, METHOD_TYPE method, const v8::FunctionCallbackInfo<v8::Value> & info, PARAMETERS... parameters) {
		RETURN_TYPE return_value = (object.*method)(parameters...);
		auto casted_result = CastToJS<RETURN_TYPE>()(info.GetIsolate(), return_value);
		info.GetReturnValue().Set(casted_result);
	}
};


/**
* Specialization for methods that return void.  No value set for v8::FunctionCallbackInfo::GetReturnValue
*   The javascript call will return the javascript "undefined" value
*/
template<typename CLASS_TYPE, typename ... PARAMETERS>
struct RunMethod<void(CLASS_TYPE::*)(PARAMETERS...)> {
	typedef void(CLASS_TYPE::*METHOD_TYPE)(PARAMETERS...);

	void operator()(CLASS_TYPE & object, METHOD_TYPE method, const v8::FunctionCallbackInfo<v8::Value> &, PARAMETERS... parameters) {
		(object.*method)(parameters...);
	}
};

// const method version 
template<typename CLASS_TYPE, typename ... PARAMETERS>
struct RunMethod<void(CLASS_TYPE::*)(PARAMETERS...) const> {
	typedef void(CLASS_TYPE::*METHOD_TYPE)(PARAMETERS...) const;

	void operator()(CLASS_TYPE & object, METHOD_TYPE method, const v8::FunctionCallbackInfo<v8::Value> &, PARAMETERS... parameters) {
		(object.*method)(parameters...);
	}
};