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();
}
}
//bool Validate()
//{
// bool isValid = true;
// foreach (CommandDef cmd in m_commands.Values)
// {
// if (cmd.Eval == null)
// {
// Console.WriteLine("{0} has no Eval method", cmd.Name);
// isValid = false;
// }
// }
// return isValid;
//}
CommandDef Bind(string name)
{
CommandDef cmd = this[name];
if (cmd == null)
{
throw new ArgumentException(string.Format("Command {0} not found. Type help for usage.", name));
}
return(cmd);
}
CommandDef Ensure(string name)
{
CommandDef cmd = this[name];
if (cmd == null)
{
cmd = new CommandDef {
Name = name
};
m_commands[name] = cmd;
}
return(cmd);
}
public void Help(string[] args)
{
string cmdName = null;
if (!args.IsNullOrEmpty())
{
cmdName = args[0];
}
if (string.IsNullOrEmpty(cmdName))
{
Console.WriteLine(HelpUsage);
return;
}
if (cmdName.Equals("all", StringComparison.OrdinalIgnoreCase))
{
ShowAllUsage();
return;
}
CommandDef cmd = this[cmdName];
if (cmd != null)
{
cmd.ShowUsage();
return;
}
//
// Do a prefix match. Note: if needed, we can speed this up since the name array is sorted.
//
foreach (string name in this.PrefixMatchCommandNames(cmdName))
{
this.Bind(name).ShowUsage();
}
}
