public Argument(CommandLineArgumentAttribute attribute, FieldInfo field, ErrorReporter reporter)
{
this.LongName = LongName(attribute, field);
this.Description = Description(attribute);
this.ExplicitShortName = ExplicitShortName(attribute);
this.ShortName = ShortName(attribute, field);
this.elementType = ElementType(field);
this.flags = Flags(attribute, field);
this.field = field;
this.SeenValue = false;
this.reporter = reporter;
this.IsDefault = attribute != null && attribute is DefaultCommandLineArgumentAttribute;
if (this.IsCollection)
{
this.collectionValues = new ArrayList();
}
Debug.Assert(this.LongName != null && this.LongName.Length > 0);
Debug.Assert(!this.IsCollection || this.AllowMultiple, "Collection arguments must have allow multiple");
Debug.Assert(!this.Unique || this.IsCollection, "Unique only applicable to collection arguments");
Debug.Assert(IsValidElementType(this.Type) ||
IsCollectionType(this.Type));
Debug.Assert((this.IsCollection && IsValidElementType(this.elementType)) ||
(!this.IsCollection && this.elementType == null));
}
private static CommandLineArgumentType Flags(CommandLineArgumentAttribute attribute, FieldInfo field)
{
if (attribute != null)
{
return(attribute.Type);
}
if (IsCollectionType(field.FieldType))
{
return(CommandLineArgumentType.MultipleUnique);
}
return(CommandLineArgumentType.AtMostOnce);
}
private static bool ExplicitShortName(CommandLineArgumentAttribute attribute)
{
return(attribute != null && !attribute.DefaultShortName);
}
private static string ShortName(CommandLineArgumentAttribute attribute, FieldInfo field)
{
return(!ExplicitShortName(attribute) ? LongName(attribute, field).Substring(0, 1) : attribute.ShortName);
}
private static string Description(CommandLineArgumentAttribute attribute)
{
return(attribute != null ? attribute.Description : null);
}
private static string LongName(CommandLineArgumentAttribute attribute, FieldInfo field)
{
return((attribute == null || attribute.DefaultLongName) ? field.Name : attribute.LongName);
}