private static IValue CloneValue(this IValue source, IColumn column)
{
switch (column.Type)
{
case ColumnType.Date:
if (source.GetValueType() == typeof(DateTime))
{
return(new ValueWrapper <DateTime>().Assign(source));
}
return(column.GetDateTimeParser()(source.ToString()));
case ColumnType.Decimal:
case ColumnType.Money:
if (source.GetValueType() == typeof(decimal))
{
return(new ValueWrapper <decimal>().Assign(source));
}
return(column.GetDecimalParser()(source.ToString()));
case ColumnType.Integer:
if (source.GetValueType() == typeof(long))
{
return(new ValueWrapper <long>().Assign(source));
}
return(column.GetIntegerParser()(source.ToString()));
case ColumnType.String:
return(new ValueWrapper <string>(source.ToString(column.Format), source.GetError(), source.IsNull, source.Source));
}
return(null);
}
public IValue Assign(IValue value)
{
this.Value = value is IValue <T> tValue
? tValue.GetValue()
: throw new ImporterArgumentOutOfRangeException(
Localization.GetLocalizationString("Cannot assign \"{0}\" to \"{1}\"",
value.GetValueType().Name, typeof(T).Name));
this.Source = value.Source;
this.Error = value.GetError();
this.IsNull = value.IsNull;
return(this);
}