private bool ReadColumns()
{
if (!_csv.Read())
{
return(false);
}
_columns = new string[_csv.FieldCount];
if (_columns.Length < 1)
{
return(false);
}
for (int c = 0; c < _csv.FieldCount; c++)
{
_columns[c] = Regex.Replace(_csv.GetString(c), @"[^\w]", "_");
if (ForceLowerCaseNames)
{
_columns[c] = _columns[c].ToLowerInvariant();
}
}
return(true);
}
/// <summary>
/// Reads the next record from the file
/// </summary>
/// <returns></returns>
public T Read()
{
// init if necessary
if (!Initialized)
{
Initialize();
}
string sFixedLine = null;
if (_csv != null)
{
if (!_csv.Read())
{
return(null);
}
}
else
{
sFixedLine = ReadLine();
if (sFixedLine == null)
{
return(null);
}
}
var obj = new T();
foreach (ITextField field in FieldArray)
{
string sValue;
if (_csv != null)
{
sValue = (field.Length > 0)
? _csv.GetString(field.Position, field.Length).Trim()
: _csv.GetString(field.Position).Trim();
}
else if (sFixedLine != null)
{
if (sFixedLine.Length <= field.Position)
{
continue;
}
sValue = (sFixedLine.Length > (field.Position + field.Length))
? sFixedLine.Substring(field.Position, field.Length).Trim()
: sFixedLine.Substring(field.Position).Trim();
}
else
{
continue;
}
if (string.IsNullOrEmpty(sValue))
{
continue;
}
PropertyInfo pi = field.Property;
Type propType = pi.PropertyType;
if (propType.IsEnum)
{
propType = Enum.GetUnderlyingType(propType);
}
try
{
if (propType.IsAssignableFrom(typeof(String)))
{
pi.SetValue(obj, sValue, null);
}
else if (propType.IsAssignableFrom(typeof(Char)))
{
pi.SetValue(obj, Convert.ToChar(sValue), null);
}
else if (propType.IsAssignableFrom(typeof(Guid)))
{
pi.SetValue(obj, new Guid(sValue), null);
}
else if (propType.IsAssignableFrom(typeof(DateTime)))
{
pi.SetValue(obj, DateTime.Parse(sValue, null, field.DateTimeStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Decimal)))
{
pi.SetValue(obj, Decimal.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Double)))
{
pi.SetValue(obj, Double.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Single)))
{
pi.SetValue(obj, Single.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Int64)))
{
pi.SetValue(obj, Int64.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Int32)))
{
pi.SetValue(obj, Int32.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Int16)))
{
pi.SetValue(obj, Int16.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Byte)))
{
pi.SetValue(obj, Byte.Parse(sValue, field.NumberStyle), null);
}
else if (propType.IsAssignableFrom(typeof(Boolean)))
{
pi.SetValue(obj, GetBoolean(sValue, field.BooleanTrue), null);
}
else
{
pi.SetValue(obj, Convert.ChangeType(sValue, pi.PropertyType), null);
}
}
catch (Exception ex)
{
var s = string.Format("Unable to set Property `{0}` of Type `{1}` to value `{2}`", pi.Name, pi.PropertyType.Name, sValue);
throw new InvalidDataException(s, ex);
}
}
return(obj);
}
