event/MultiComparator.h

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#ifndef SDL_EVENT_MULTICOMPARATOR_H
#define SDL_EVENT_MULTICOMPARATOR_H

#include <SDL.h>

namespace sdl {
namespace event {
    template<typename Device, int EventType, int... Ids>
    struct MultiComparator {
        static bool compare (const SDL_Event* event) { return false; };
    }; //MultiComparator

    template<typename Device, int EventType>
    struct MultiComparator<Device, EventType> {
        static bool compare (const SDL_Event* event) { return false; };
    }; //MultiComparator

    template<typename Device, int EventType, int Id, int... Ids>
    struct MultiComparator<Device, EventType, Id, Ids...> {
        static bool compare (const SDL_Event* event) {
            return (EventType == event->type && Device::which (event) == Id) || MultiComparator<Device, EventType, Ids...>::compare (event);
        };
    }; //MultiComparator
}; //event
}; //sdl

#endif //SDL_EVENT_MULTICOMPARATOR_H