internal FlagDefinition(CallFlagAttribute attribute, ParameterInfo param)
{
if (!param.HasDefaultValue)
{
throw new ArgumentException($"The parameter {param} does not have a default value.");
}
DefaultValue = param.DefaultValue;
ShortKey = attribute.ShortKey;
LongKey = attribute.LongKey;
Description = attribute.Description;
Type = param.ParameterType;
RequiresInput = Type != typeof(bool);
Parameter = param;
ParamName = NameAttribute.GetFor(param);
}
private ArgumentInfo(ParameterInfo parameter, CallInfo call, bool useDefault)
{
Parameter = parameter;
UseDefault = useDefault;
IsDense = DenseAttribute.ExistsOn(parameter);
Type = Parameter.ParameterType;
DefaultValue = Parameter.DefaultValue;
IsRawArgument = RawArgumentsAttribute.ExistsOn(parameter);
HasDefaultValue = Parameter.HasDefaultValue;
Name = NameAttribute.GetFor(Parameter);
Parent = call;
Flag = CallFlagAttribute.GetFor(Parameter);
if (IsDense && Flag != null)
{
throw new InvalidOperationException("Cannot have a dense flag parameter");
}
}
private CommandInfo(Type type)
{
if (!type.IsSubclassOf(typeof(Command)))
{
throw new InvalidOperationException($"Cannot create CommandInfo from {type}");
}
CommandType = type;
Group = GroupAttribute.GetFor(type);
Name = NameAttribute.GetFor(type);
Alias = AliasAttribute.GetFor(type);
Description = DescriptionAttribute.GetFor(type);
DefaultPermissions = DefaultPermissionAttribute.GetPermFor(type);
RequiredContexts = RequireContextAttribute.GetFor(type);
PermissionKey = DefaultPermissionAttribute.GetKeyFor(type);
Note = NotesAttribute.GetFor(type);
RequireOwner = RequireOwnerAttribute.ExistsOn(type);
RequireGuild = RequireGuildAttribute.GetFor(type);
Hidden = false;
Calls = null;
Calls = CallInfo.BuildFrom(this).ToList().AsReadOnly();
Hidden = HiddenAttribute.ExistsOn(type) || Calls.All(c => c.Hidden);
}
public static string GetKeyFor(Type info) => info.GetCustomAttribute <DefaultPermissionAttribute>()?.PermissionKey ?? NameAttribute.GetFor(info);