/// <summary>
/// Optional, use this to limit the flags that are valid with this usage. If this method is not called,
/// the CLI support assumes that every possible flag from the input type is valid
/// </summary>
/// <param name="properties"></param>
public void ValidFlags(params Expression <Func <T, object> >[] properties)
{
_commandUsage.ValidFlags =
properties.Select(
expr =>
{
var finder = new Baseline.Expressions.FindMembers();
finder.Visit(expr);
var member = finder.Members.Last();
return(_parent.Handlers.FirstOrDefault(x => x.MemberName == member.Name));
}).ToArray();
}
/// <summary>
/// The valid arguments for this command usage in exact order
/// </summary>
/// <param name="properties"></param>
/// <returns></returns>
public UsageExpression <T> Arguments(params Expression <Func <T, object> >[] properties)
{
_commandUsage.Arguments =
properties.Select(
expr =>
{
var finder = new Baseline.Expressions.FindMembers();
finder.Visit(expr);
var member = finder.Members.Last();
return(_parent.Handlers.FirstOrDefault(x => x.MemberName == member.Name));
}).OfType
<Argument>();
return(this);
}