public CommandAction Select(string actionName, Command command, IEnumerable<CommandAction> availableActions)
{
CommandAction action = new MatchSelector<CommandAction>().Match(actionName, availableActions, c => c.Name);
if (action != null)
return action;
var exception = new CommandActionNotFoundException(actionName, command);
exception.AvailableActions.AddRange(availableActions);
var possibleActions = new MatchSelector<CommandAction>().PartialMatch(actionName, availableActions, c => c.Name);
exception.PossibleActions.AddRange(possibleActions);
throw exception;
}
public void ShowCommandHelp(Command command, List<CommandAction> availableActions)
{
var maximumActionNameLength = availableActions.Count() > 0 ? availableActions.Max(c => c.Name.Length) : 0;
var actionTable =
new ConsoleTable().AddRow(
new ConsoleCell(String.Format("The available actions for command '{0}' are:", command.Name)).WithPadding(0));
int maximumPrototypeLength = 0;
foreach (var action in availableActions)
{
if (action.Parameters.Count > 0)
{
var prototypeLength = action.Parameters
.Max(c => c.GetOptionPrototypeHelp().Length);
if (prototypeLength > maximumPrototypeLength)
maximumPrototypeLength = prototypeLength;
}
}
foreach (var action in availableActions)
{
actionTable.AddRow(
new ConsoleCell(action.Name).WithWidth(maximumActionNameLength),
new ConsoleCell(action.Description));
if (action.Parameters.Count > 0)
{
foreach (var p in action.Parameters)
{
actionTable.AddRow(new ConsoleCell(p.GetOptionPrototypeHelp()).
WithWidth(maximumPrototypeLength).WithPadding(6),
new ConsoleCell(p.Description));
}
}
if (availableActions.Last() != action)
actionTable.AddEmptyRow();
}
new ConsoleFormatter(ConsoleWriter.Default).Write(actionTable);
}
public IEnumerable<CommandAction> FindInCommand(Command command)
{
return FindInType(command.LinkedToType);
}