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 ShowAllUsage()
{
CommandUI.PrintHeading("Registered commands");
foreach (string name in this.CommandNames)
{
this.ShowUsage(name);
}
}
internal void ShowUsage()
{
CommandUI.PrintUpperCase(this.Name);
if (this.UsageFunctor != null)
{
Console.WriteLine(this.UsageFunctor());
}
Console.WriteLine();
}
void HandleError(Exception ex)
{
if (this.Error != null)
{
this.Error(ex);
}
else
{
CommandUI.Print(ex);
}
}
public void RunInteractive()
{
CommandUI.PrintHeading(m_appName);
string input;
while ((input = CommandUI.GetInput()) != null)
{
if (input.Length > 0)
{
this.Run(input);
}
}
}
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);
}
}
internal void ShowCommand()
{
CommandUI.PrintUpperCase(this.Name);
}