/// <summary>
/// Create a copy of a String8. Use when the source of the String8s
/// will change (like a reader reusing the same byte[] buffer) and
/// you need to keep a copy of specific values with minimal object overhead.
/// </summary>
/// <param name="source">String8 to copy</param>
/// <returns>String8 copy which will persist</returns>
public String8 GetCopy(ITabularValue source)
{
if (source is String8TabularValue)
{
return(GetCopy(source.ToString8()));
}
return(GetCopy(source.ToString()));
}
public static bool ToBoolean(this ITabularValue value)
{
bool result;
if (value.TryToBoolean(out result))
{
return(result);
}
throw new FormatException(value.ToString());
}
public static int ToInteger(this ITabularValue value)
{
int result;
if (value.TryToInteger(out result))
{
return(result);
}
throw new FormatException(value.ToString());
}
public static DateTime ToDateTime(this ITabularValue value)
{
DateTime result;
if (value.TryToDateTime(out result))
{
return(result);
}
throw new FormatException(value.ToString());
}
private static void ITabularValue_Basics(string value, String8 value8, ITabularValue itv)
{
Assert.AreEqual(String.IsNullOrEmpty(value), itv.IsNullOrEmpty());
Assert.AreEqual(value8, itv.ToString8());
Assert.AreEqual(value, itv.ToString());
bool asBoolean;
if (bool.TryParse(value, out asBoolean))
{
Assert.AreEqual(asBoolean, itv.ToBoolean());
}
else
{
Verify.Exception <FormatException>(() => { var result = itv.ToBoolean(); });
}
int asInteger;
if (int.TryParse(value, out asInteger))
{
Assert.AreEqual(asInteger, itv.ToInteger());
}
else
{
Verify.Exception <FormatException>(() => { var result = itv.ToInteger(); });
}
DateTime asDateTime;
if (DateTime.TryParse(value, CultureInfo.CurrentCulture, DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal, out asDateTime))
{
Assert.AreEqual(asDateTime, itv.ToDateTime());
}
else
{
Verify.Exception <FormatException>(() => { var result = itv.ToDateTime(); });
}
}