public CommandGroupArgumentType(Type type) : base(type)
{
if (!type.GetTypeInfo().IsGenericType)
{
throw new ArgumentOutOfRangeException(nameof(type));
}
var typeParams = type.GetTypeInfo().GetGenericArguments();
if (typeParams.Length != 1)
{
throw new ArgumentOutOfRangeException(nameof(type));
}
if (!type.GetGenericTypeDefinition().IsEffectivelySameAs(typeof(CommandGroup <>)))
{
throw new ArgumentOutOfRangeException(nameof(type));
}
_commandTypeType = typeParams[0];
if (!_commandTypeType.GetTypeInfo().IsEnum)
{
throw new ArgumentOutOfRangeException(nameof(type));
}
if (!ArgumentType.TryGetType(_commandTypeType, out IArgumentType commandArgType))
{
throw new ArgumentOutOfRangeException(nameof(type));
}
_commandArgType = (IEnumArgumentType)commandArgType;
}
/// <summary>
/// Defines all values in the given type.
/// </summary>
/// <param name="type">Type to inspect.</param>
protected void AddValuesFromType(IEnumArgumentType type)
{
foreach (var value in type.GetValues())
{
AddValue(value);
}
}
private IEnumerable <ColoredMultistring> GetEnumValueEntries(IEnumArgumentType type)
{
var values = type.GetValues()
.Where(v => !v.Disallowed && !v.Hidden)
.OrderBy(v => v.DisplayName)
.ToList();
// See if we can collapse the values onto one entry.
if (values.All(v => string.IsNullOrEmpty(v.Description) && v.ShortName == null))
{
return(new[] { new ColoredMultistring($"{{{string.Join(", ", values.Select(v => v.DisplayName))}}}") });
}
else
{
return(values.Select(FormatEnumValueInfo));
}
}
private IEnumerable <ColoredMultistring> GetEnumValueEntries(
int currentMaxWidth,
IEnumArgumentType type)
{
var values = type.GetValues()
.Where(v => !v.Disallowed && !v.Hidden)
.OrderBy(v => v.DisplayName)
.ToList();
// See if we can collapse the values onto one entry.
if (values.All(v => string.IsNullOrEmpty(v.Description) && v.ShortName == null))
{
return(new[] { new ColoredMultistring($"{{{string.Join(", ", values.Select(v => v.DisplayName))}}}") });
}
else
{
var entries = values.Select(GetEnumValueInfo).ToList();
var maxLengthOfParameterSyntax = entries.Count > 0 ? entries.Max(e => e.Syntax.Length) : 0;
return(FormatParameterEntries(currentMaxWidth, entries, maxLengthOfParameterSyntax));
}
}