public static (CandidatesAndIds candidatesManager, IReadOnlyList <StvBallot> ballots, int seatsCount) StvVoteFrom(char fieldsSeparator = ',', params string[] lines)
{
if (!int.TryParse(lines[0], out var seatsCount))
{
throw new Exception($"Invalid seats count on line'{lines[0]}'");
}
var candidatesManager = new CandidatesAndIds(lines[1].Split(fieldsSeparator));
var counter = new StvBallotsCounter();
for (int i = 2; i < lines.Length; i++)
{
var splits = lines[i].Split(fieldsSeparator);
if (!int.TryParse(splits[0], out var multiplicity))
{
throw new Exception($"Invalid multiplicity on line'{lines[i]}'");
}
counter.AddBallot(multiplicity, splits.Skip(1).Select(candidateName =>
{
if (!candidatesManager.TryGetId(candidateName, out var id))
{
throw new Exception($"Unknown candidate {candidateName} on line'{lines[i]}'");
}
return(id);
}).ToArray());
}
return(candidatesManager, counter.GetBallots(), seatsCount);
}
public CandidatesStatus(CandidatesAndIds candidatesAndIds)
{
var(min, max) = candidatesAndIds.GetIdsRange();
if (min < 0)
{
throw new ArgumentException($"Id must be at least 0 (found {min})");
}
candidatesStates = new State[max + 1];
for (int i = 0; i < candidatesStates.Length; i++)
{
if (candidatesAndIds.IsValidId(i))
{
candidatesStates[i] = State.Undecided;
TotalCount++;
UndecidedCount++;
}
else
{
candidatesStates[i] = State.Invalid;
}
}
}
