void ProcessContestRight(ContestRights contestAllow, ContestRights contestDeny, SystemRights systemAllow, SystemRights baseRights,
ContestRights concreteRights, ref ContestRights cr)
{
if ((baseRights & systemAllow) != 0)
{
if ((concreteRights & contestDeny) != 0)
{
cr |= contestDeny;
}
else
{
cr |= contestAllow;
}
}
else
{
if ((concreteRights & contestAllow) != 0)
{
cr |= contestAllow;
}
else
{
cr |= contestDeny;
}
}
}
public ContestRights GetContestRights(int contestID)
{
ContestRights cr = ContestRights.None;
ContestRights concreteRights = DataProvider.Provider.UserManager.GetRegistration(id, contestID).Rights;
for (int i = 1; i <= 16384; i *= 4)
{
ProcessContestRight((ContestRights)i, (ContestRights)(i * 2), (SystemRights)i, systemRights, concreteRights, ref cr);
}
return(cr);
}
public ProblemRights GetProblemRights(int problemID)
{
ProblemRights pr = ProblemRights.None;
ContestRights baseRights = GetContestRights(Problem.GetProblem(problemID).ContestID);
ProblemRights concreteRights = DataProvider.Provider.UserManager.GetProblemRights(id, problemID);
for (int i = 1; i <= 1024; i *= 4)
{
ProceeProblemRight((ProblemRights)i, (ProblemRights)(i * 2), (ContestRights)i, baseRights, concreteRights, ref pr);
}
return(pr);
}
public ContestRegistration(ContestRights rights, bool isInvisible)
{
Rights = rights;
IsInvisible = isInvisible;
}
void ProceeProblemRight(ProblemRights problemAllow, ProblemRights problemDeny, ContestRights contestAllow, ContestRights baseRights,
ProblemRights concreteRights, ref ProblemRights pr)
{
if ((baseRights & contestAllow) != 0)
{
if ((concreteRights & problemDeny) != 0)
{
pr |= problemDeny;
}
else
{
pr |= problemAllow;
}
}
else
{
if ((concreteRights & problemAllow) != 0)
{
pr |= problemAllow;
}
else
{
pr |= problemDeny;
}
}
}
