private void ExecuteRunLoop()
{
var autoCompleteProviders = new List <IAutoCompleteProvider>
{
new AutoCompleteProviderChain(
new PowerShellTabExpansion2AutoCompleteProvider(_commandExecutor),
new PowerShellTabExpansionAutoCompleteProvider(_commandExecutor),
new CompositeAutoCompleteProvider(
new ProviderPathAutoCompleteProvider(_commandExecutor),
new CommandListAutoCompleteProvider(_commandExecutor)
)
)
};
_autoCompleteWalker = new AutoCompleteWalker(autoCompleteProviders);
_historyStackWalker = new HistoryStackWalker(_commandExecutor);
_consoleWindow.AutoCompleteWalker = _autoCompleteWalker;
_consoleWindow.HistoryStackWalker = _historyStackWalker;
WritePrompt();
while (true)
{
WaitHandle[] handles = new[]
{
_host.ExitWaitHandle,
_consoleWindow.CommandEnteredEvent,
Queue.WaitHandle,
_threadStopEvent,
_writePromptEvent
}.ToList().Where(f => f != null).ToArray();
int index = WaitHandle.WaitAny(handles);
switch (index)
{
case (0):
InvokeShouldExit(_host.ExitCode);
_host.ResetExitState();
break;
case (1):
ExecuteConsoleCommand();
break;
case (2):
ExecuteQueuedCommand();
break;
case (3):
_runspace.Dispose();
_threadStopEvent.Close();
_writePromptEvent.Close();
return;
case (4):
WritePrompt();
_writePromptEvent.Reset();
break;
default:
break;
}
}
}
private void HandleKeyDown(object sender, KeyEventArgs e)
{
if (e.Control && !(e.Shift || e.Alt))
{
HandleControlKeyDown(sender, e);
return;
}
e.Handled = true;
if (Keys.Escape == e.KeyCode)
{
Select(_promptPosition, EndOfLinePosition);
UpdateCountsAndDeleteSelection();
FlushInputBuffer();
}
else if (Keys.Enter == e.KeyCode)
{
NotifyCommandEntered();
}
else if (Keys.Tab == e.KeyCode)
{
if (String.IsNullOrEmpty(_tabExpansionInput))
{
Select(_promptPosition, SelectionStart);
_tabExpansionInput = SelectedText;
}
string cmd = String.Empty;
if (!e.Shift)
{
cmd = AutoCompleteWalker.NextUp(_tabExpansionInput);
}
else
{
cmd = AutoCompleteWalker.NextDown(_tabExpansionInput);
}
if (String.IsNullOrEmpty(cmd))
{
Select(EndOfLinePosition, EndOfLinePosition);
return;
}
Select(_promptPosition, EndOfLinePosition);
InsertText(cmd);
}
else if (Keys.PageUp == e.KeyCode)
{
string cmd = HistoryStackWalker.Oldest();
if (String.IsNullOrEmpty(cmd))
{
return;
}
InsertHistoryItem(cmd.Trim());
}
else if (Keys.PageDown == e.KeyCode)
{
string cmd = HistoryStackWalker.Newest();
if (String.IsNullOrEmpty(cmd))
{
return;
}
InsertHistoryItem(cmd.Trim());
}
else if (Keys.Up == e.KeyCode)
{
string cmd = HistoryStackWalker.NextUp();
if (String.IsNullOrEmpty(cmd))
{
return;
}
InsertHistoryItem(cmd.Trim());
}
else if (Keys.Down == e.KeyCode)
{
string cmd = HistoryStackWalker.NextDown();
if (String.IsNullOrEmpty(cmd))
{
MoveCaretEOL(false);
return;
}
InsertHistoryItem(cmd.Trim());
}
else if (Keys.Back == e.KeyCode)
{
if (SelectionStart >= _promptPosition)
{
if (SelectionStart != _promptPosition && SelectionLength == 0)
{
int index = SelectionStart - 1;
Select(index, 1);
}
UpdateCountsAndDeleteSelection();
}
}
else if (Keys.Delete == e.KeyCode)
{
if (EndOfLinePosition > SelectionStart)
{
if (SelectionLength == 0)
{
int index = SelectionStart;
Select(index, 1);
}
UpdateCountsAndDeleteSelection();
}
}
else if (Keys.Home == e.KeyCode)
{
MoveCaretHome(e.Shift);
}
else if (Keys.End == e.KeyCode)
{
MoveCaretEOL(e.Shift);
}
else
{
e.Handled = false;
}
}
