private static void AddLineToResult(string csvLine, MemoryFaceIdToNameLookup result, FaceIdToNameCsvSourceSettings settings)
{
string[] entry = csvLine.Split(',');
if (entry.Length < GetExpectedColumns(settings))
{
string message = $"{settings.CsvFilePath} (line {GetCurrentLine(result, settings)}): "
+ " Expected {GetExpectedColumns(settings)} fields but found only {entry.Length}.";
throw new ArgumentOutOfRangeException(nameof(settings), message);
}
result.dictionary.Add(Guid.Parse(entry[settings.FaceIdIndex]), entry[settings.NameIndex]);
}
public static MemoryFaceIdToNameLookup FromCsvStream(TextReader csvReader, FaceIdToNameCsvSourceSettings settings)
{
Guard.Argument(csvReader, nameof(csvReader)).NotNull();
Guard.Argument(settings, nameof(settings)).NotNull();
Guard.Argument(settings.FaceIdIndex, nameof(settings.FaceIdIndex)).NotNegative();
Guard.Argument(settings.FaceIdIndex, nameof(settings.NameIndex)).NotNegative();
SkipHeaderRow(csvReader, settings);
string csvLine;
var result = new MemoryFaceIdToNameLookup();
while ((csvLine = csvReader.ReadLine()) != null)
{
AddLineToResult(csvLine, result, settings);
}
return(result);
}
private static int GetCurrentLine(MemoryFaceIdToNameLookup result, FaceIdToNameCsvSourceSettings settings)
{
return(result.dictionary.Count + (settings.HasHeaderRow ? 1 : 0));
}