public void RegisterKeyPress(ConsoleKeyInfo key)
{
Context.Reset();
Context.KeyPressed = key;
Context.CharacterToWrite = new ConsoleCharacter(Context.KeyPressed.KeyChar);
IKeyHandler handler = null;
if (KeyHandlers.TryGetValue(Context.KeyPressed.Key, out handler) == false && RichTextCommandLineReader.IsWriteable(Context.KeyPressed))
{
WriteCharacterForPressedKey(Context.KeyPressed);
DoSyntaxHighlighting(Context);
}
else if (handler != null)
{
handler.Handle(Context);
if (Context.Intercept == false && RichTextCommandLineReader.IsWriteable(Context.KeyPressed))
{
WriteCharacterForPressedKey(Context.KeyPressed);
}
DoSyntaxHighlighting(Context);
}
FireValueChanged();
}
/// <summary>
/// Creates a new CLI object.
/// </summary>
public CliHelper()
{
Reader = new RichTextCommandLineReader() { Console = ConsoleProvider.Current };
}
private async Task OnHandleHey(ConsoleKeyInfo keyInfo)
{
if (InputBox.IsInputBlocked)
{
return;
}
OnKeyPress(keyInfo);
if (keyInfo.Key == ConsoleKey.Enter)
{
ConsoleString output = ConsoleString.Empty;
try
{
var args = Args.Convert(InputBox.Value.ToString());
AddHistory(InputBox.Value.ToString());
if (def.ExceptionBehavior?.Policy == ArgExceptionPolicy.StandardExceptionHandling)
{
def.ExceptionBehavior = new ArgExceptionBehavior(ArgExceptionPolicy.DontHandleExceptions);
}
ArgAction action;
ConsoleOutInterceptor.Instance.Attach();
try
{
action = Args.ParseAction(def, args);
}
finally
{
ConsoleOutInterceptor.Instance.Detatch();
}
InputBox.Dispose();
output = new ConsoleString(ConsoleOutInterceptor.Instance.ReadAndClear());
if (action.Cancelled == false)
{
var oldDef = Args.GetAmbientDefinition();
try
{
Args.SetAmbientDefinition(def);
await Run(action);
}
finally
{
Args.SetAmbientDefinition(oldDef);
}
}
}
catch (Exception ex)
{
var inner = ex;
if (ex is AggregateException && (ex as AggregateException).InnerExceptions.Count == 1)
{
inner = ex.InnerException;
}
if (ex is ArgException == false)
{
throw;
}
output = inner.Message.ToRed();
}
finally
{
if (IsExpired == false)
{
HardRefresh(output);
}
}
}
else if (keyInfo.Key == ConsoleKey.Tab)
{
ConsoleCharacter?prototype = InputBox.Value.Length == 0 ? (ConsoleCharacter?)null : InputBox.Value[InputBox.Value.Length - 1];
InputBox.RichTextEditor.RegisterKeyPress(keyInfo, prototype);
}
else if (keyInfo.Key == ConsoleKey.UpArrow)
{
if (HasHistory())
{
InputBox.Value = GetHistoryPrevious();
SetOutput(CreateAssistiveText());
}
}
else if (keyInfo.Key == ConsoleKey.DownArrow)
{
if (HasHistory())
{
InputBox.Value = GetHistoryNext();
SetOutput(CreateAssistiveText());
}
}
else if (RichTextCommandLineReader.IsWriteable(keyInfo))
{
SetOutput(CreateAssistiveText());
}
AfterKeyPress(keyInfo);
}
