private void SetupCsvParser(string fileName, bool hasHeader, string separator)
{
this.fields = new List <string>();
try
{
this.encoding = CsvLib.GetFileEncoding(fileName);
this.sr = new StreamReader(new FileStream(fileName, FileMode.Open, FileAccess.Read), this.encoding);
this.Separator = (string.IsNullOrEmpty(separator)) ? (char)FindDelimiter(100) : Convert.ToChar(separator);
this.CurrentLine = this.sr.ReadLine();
this.RowIndex = this.RowIndex + 1;
this.dataStartPosition = (long)this.sr.CurrentEncoding.GetByteCount(this.CurrentLine);
this.fields = CsvLib.CsvSplit(this.CurrentLine, this.StripQuotes, this.Trim, this.Separator, this.Quote);
this.FieldCount = this.fields.Count;
if (hasHeader)
{
return;
}
this.dataStartPosition = 0L;
this.fields = new List <string>();
for (int index = 0; index < this.FieldCount; ++index)
{
this.fields.Add("Field" + (object)index);
}
this.MoveToPositionInFile(this.dataStartPosition);
}
catch (Exception ex)
{
throw ex;
}
}
public T CsvItem <T>(string name, T defaultValue)
{
string str = this.CsvItem(name);
try
{
if (string.IsNullOrEmpty(str))
{
return(defaultValue);
}
Type type = typeof(T);
try
{
return((T)CsvLib.ValueAs(type, str));
}
catch
{
return(defaultValue);
}
}
catch (Exception)
{
return(defaultValue);
}
}
public void ReadLine()
{
this.parserLineStatus = CsvOrderedLineStatustype.Valid;
if (this.sr != null && !this.sr.EndOfStream)
{
string source = this.sr.ReadLine();
this.errorRow = "";
this.lineNumber = this.lineNumber + 1;
while (true)
{
do
{
this.orderedItems = new List <string>();
if (string.IsNullOrEmpty(source))
{
if (this.sr.EndOfStream)
{
this.items = (List <string>)null; return;
}
source = this.sr.ReadLine();
}
this.errorRow = source;
this.items = CsvLib.CsvSplit(source, this.StripQuotes, this.Trim, this.Separator, this.Quote);
if (this.requestedFields != null && this.requestedFields.Count > 0)
{
for (int index = 0; index < this.requestedFields.Count; ++index)
{
this.orderedItems.Add(this.CsvItem(this.requestedFields[index].FieldName));
}
}
if (!this.IsValidLine())
{
if (this.items.Count > this.fields.Count)
{
this.errorRow = source;
this.items = (List <string>)null;
return;
}
}
else
{
return;
}
if (!this.sr.EndOfStream)
{
source += this.sr.ReadLine();
}
else
{
return;
}
}while (this.items.Count >= this.fields.Count);
}
}
else
{
this.items = (List <string>)null;
}
}
