public ParseResult Parse(string text)
{
ParserContext context = new ParserContext(_configuration, text);
AbstractState state = new InitialState(context);
while (!state.IsTerminal)
{
state = state.Advance();
}
CheckForMissingRequiredParameters(context);
return context.Result;
}
private void CheckForMissingRequiredParameters(ParserContext context)
{
if (context.Command != null)
{
var missing = context.Command.RemainingPositionalParameters.Where(x => x.IsRequired);
foreach (var p in missing)
{
bool ok = false;
if (p.IsCollection)
{
ok = context.Result.CommandListValues.Any(x => x.Name.Equals(p.Name, StringComparison.InvariantCultureIgnoreCase));
}
if (!ok)
{
context.Result.AddError("Required parameter '{0}' was not specified.", p.Name);
}
}
}
}