public CommandLookup Find(string[] tokens, char paramPrefix = '@')
{
if (tokens == null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (tokens.Length == 0)
{
return(null);
}
if (tokens[0].StartsWith(paramPrefix.ToString()))
{
tokens[0] = tokens[0].Substring(1);
return(null);
}
else if (!KeywordMatches(tokens[0]))
{
return(null);
}
tokens = tokens.Skip(1).ToArray();
foreach (Command child in Children)
{
CommandLookup result = child.Find(tokens);
if (result != null)
{
return(result);
}
}
return(new CommandLookup(this, tokens));
}
public virtual bool Process(string[] tokens)
{
if (tokens == null || tokens.Length == 0)
{
return(false);
}
CommandLookup lookup = Find(tokens);
if (lookup != null)
{
Command command = lookup.Command;
if (lookup.Tokens.Length > 0 && lookup.Tokens[0] == DetailedHelpToken.ToString())
{
HelpProvider.GenerateDetailedHelp(Printer, MessageProvider, command);
return(true);
}
else
{
CommandData data = command.Execute(lookup.Tokens, Printer);
if (data == null) // TODO: allow specific command error messages.
{
HelpProvider.GenerateDetailedHelp(Printer, MessageProvider, command);
}
return(data != null);
}
}
else
{
string msg = MessageProvider.GetFormatted(StandardMessages.NoCommand, string.Join(" ", tokens));
Printer.WriteLine(Level.None, msg);
}
return(false);
}
