#include <functional>
#include <iostream>
#include <vector>
enum System { SYS_A, SYS_B, SYS_C };
class Command {
public:
typedef std::function<void()> FuncType;
Command(FuncType func, std::initializer_list<System> requirements)
:func_(func), requirements_(requirements) { }
void operator()() {
std::cout << "Executing Command:" << std::endl;
for ( System s : requirements_ )
std::cout << " REQUIRES " << static_cast<int>(s) << std::endl;
func_();
}
private:
FuncType func_;
std::vector<System> requirements_;
};
class Scheduler {
public:
void add(Command c) {
c();
}
};
class Robot {
public:
Robot()
:do_something_ (std::bind(&Robot::do_something, this), {SYS_A, SYS_B}),
do_another_thing_(std::bind(&Robot::do_another_thing, this), {SYS_A, SYS_C}) { }
void runRobot() {
s_.add(do_something_);
s_.add(do_another_thing_);
}
private:
void do_first_thing() { std::cout << " FIRST THING!" << std::endl; }
void do_second_thing() { std::cout << " SECOND THING!" << std::endl; }
void do_third_thing() { std::cout << " THIRD THING!" << std::endl; }
void do_something() { do_first_thing(); do_second_thing(); }
void do_another_thing() { do_first_thing(); do_third_thing(); }
Command do_something_;
Command do_another_thing_;
Scheduler s_;
};
int main(int, char**) {
Robot().runRobot();
}
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