public IEnumerable <T> Read(FileInfo fileInfo, CsvReaderOptions options)
{
fileInfo
.ThrowExceptionIfNullOrDoesntExists()
.ThrowExceptionIfExtensionIsDifferentFrom(Constants.FileExtensions.Csv);
_options = options;
var objects = new List <T>();
var headers = new List <string>();
using (var sr = new StreamReader(fileInfo.FullName, Encoding.GetEncoding(options.Encoding)))
{
var headersRead = !_options.HasHeader;
string line;
do
{
line = sr.ReadLine();
if (line != null && headersRead)
{
if (line.ToCharArray().Count(d => d == '"') % 2 == 1)
{
throw new FormatException($"Odd number of double quotes in line ${line}");
}
var propertyValues = Regex.Split(line, _options.CsvDelimiter + "(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)")
.Select(d => d.Replace("\"", string.Empty)).ToArray();
var obj = AssignValuesFromCsv(propertyValues, headers);
objects.Add(obj);
}
if (!headersRead)
{
headersRead = true;
if (line == null)
{
throw new FileLoadException($"{fileInfo.Name} is invalid. Probably it is empty...");
}
headers = line.Split(_options.CsvDelimiter).ToList();
}
} while (line != null);
}
return(objects);
}
public IEnumerable <T> Read(FileInfo fileInfo)
{
CsvReaderOptions options = new CsvReaderOptions();
return(Read(fileInfo, options));
}