/// <summary>
/// Removes an objectFormatter from the list of supported formatters
/// </summary>
/// <param name="formatter">the formatter that is being disposed</param>
private static void UnregisterFormatter(ObjectFormatter formatter)
{
lock (initializedFormatters)
{
if (initializedFormatters.Contains(formatter))
{
initializedFormatters.Remove(formatter);
}
}
}
public static string DefaultFormat(object value, string format)
{
string retVal = string.Empty;
if (format.Equals("obj", StringComparison.OrdinalIgnoreCase))
{
return(ObjectFormatter.FormatObject(value));
}
IFormattable formattable = value as IFormattable;
if (formattable != null)
{
retVal = formattable.ToString(format, null);
}
return(retVal);
}
/// <summary>
/// Adds a formatter to the list of available formatters
/// </summary>
/// <param name="formatter">the new initialized formatter</param>
private static void RegisterFormatter(ObjectFormatter formatter)
{
lock (initializedFormatters)
{
if (initializedFormatters.Any(n => n.TargetType == formatter.TargetType))
{
throw new InvalidOperationException(
$"Can only have one Formatter that formats {formatter.TargetType.FullName}");
}
var nextItem =
initializedFormatters.Select((o, i) => new { Formatter = o, Index = i })
.FirstOrDefault(n => n.Formatter.TargetType.IsAssignableFrom(formatter.TargetType));
if (nextItem == null)
{
initializedFormatters.Add(formatter);
}
else
{
initializedFormatters.Insert(nextItem.Index, formatter);
}
}
}
