#include <string>
#include <iostream>

enum CalendarObjectLoadResult {
    CALENDAROBJECTLOAD_UNITTESTFAIL = -1,
    CALENDAROBJECTLOAD_OK,
    CALENDAROBJECTLOAD_MISSING,
    CALENDAROBJECTLOAD_INVALIDFORMAT,
    CALENDAROBJECTLOAD_CANNOTOPEN
};

enum CalendarObjectValidResult{
    CALENDAROBJECTVALID_UNITTESTFAIL = -1,
    CALENDAROBJECTVALID_OK,
    CALENDAROBJECTVALID_INVALIDFORMAT
};

class CalendarObject{

    CalendarObjectLoadResult LoadFile();
    CalendarObjectLoadResult LoadString();
    
    // Setup virtual subroutines for use by objects
    // inheriting from CalendarObject later on.
    
    virtual CalendarObjectValidResult ValidObject() {};
  
};