private static string Description(CommandLineArgumentAttribute attribute)
{
if (attribute != null)
{
return(attribute.Description);
}
else
{
return(null);
}
}
private static CommandLineArgumentType Flags(CommandLineArgumentAttribute attribute, FieldInfo field)
{
if (attribute != null)
{
return(attribute.Type);
}
else if (IsCollectionType(field.FieldType))
{
return(CommandLineArgumentType.MultipleUnique);
}
else
{
return(CommandLineArgumentType.AtMostOnce);
}
}
public Argument(CommandLineArgumentAttribute attribute, FieldInfo field, ErrorReporter reporter)
{
this.longName = CommandLineArgumentParser.LongName(attribute, field);
this.description = CommandLineArgumentParser.Description(attribute);
this.explicitShortName = CommandLineArgumentParser.ExplicitShortName(attribute);
this.shortName = CommandLineArgumentParser.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(
!string.IsNullOrEmpty(this.longName),
"The long name must be provided for the argument.");
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),
"The argument type is not valid.");
Debug.Assert(
(this.IsCollection && IsValidElementType(this.elementType)) || (!this.IsCollection && this.elementType == null),
"The argument type is not valid.");
}
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 LongName(CommandLineArgumentAttribute attribute, FieldInfo field)
{
return((attribute == null || attribute.DefaultLongName) ? field.Name : attribute.LongName);
}
