public void Eval(params string[] input)
{
if (input.IsNullOrEmpty())
{
return;
}
string commandName = input.First();
CommandDef cmd = this[commandName];
if (cmd == null)
{
this.ShowUsageCommandNotFound(commandName);
return;
}
try
{
cmd.Eval((input.Select(arg => arg)).Skip(1).ToArray());
}
catch (Exception ex)
{
this.HandleError(ex);
CommandUI.PrintSectionBreak();
cmd.ShowUsage();
}
}
void ShowUsageCommandNotFound(string commandName)
{
Console.WriteLine();
CommandUI.PrintUpperCase("{0}: No such command.", commandName);
CommandUI.PrintSectionBreak();
//
// Speculatively print out names of commands with this prefix..
//
if (this.PrefixMatchCommandNames(commandName).FirstOrDefault() != null)
{
//
// Speculatively print out names of commands with this prefix..
//
CommandUI.PrintHeading("Did you mean?");
this.ListCommands(new string[] { commandName });
}
else
{
Console.WriteLine(HelpUsage);
}
}