public ParseResult <TDataRecord> ParseData(Stream fileStream, string separator)
{
if (fileStream == null || fileStream.Length <= 0)
{
throw new CsvParseException("File is empty");
}
var result = new ParseResult <TDataRecord>();
try
{
var file = new StreamReader(fileStream);
//
//Stream stream = file;
//DataTable csvTable = new DataTable();
//using (CsvReader csvReader =
// new CsvReader(new StreamReader(stream), true))
//{
// csvTable.Load(csvReader);
//}
var reader = new CsvReader(file);
reader.Configuration.Delimiter = separator;
reader.Configuration.IgnoreReadingExceptions = true;
reader.Configuration.ReadingExceptionCallback = (ex, row) =>
{
if (ex.GetType() == typeof(CsvTypeConverterException))
{
var error = ex.Data["CsvHelper"];
result.AddError("", string.Format("Could not read value {0}", error));
}
else
{
result.AddError("", "Could not read Csv file.");
}
};
while (reader.Read())
{
var rowResult = ParseRow(reader);
if (!rowResult.IsValid)
{
result.AddErrors(rowResult.Errors);
return(result);
}
result.Records.Add(rowResult.Record);
}
}
catch (CsvParseException ex)
{
result.AddError("", ex.Message);
}
catch (CsvMissingFieldException ex)
{
result.AddError("", ex.Message);
}
catch (Exception ex)
{
throw new CsvParseException("Coud not read csv file");
}
return(result);
}
