/// <summary>
/// Entry point - called from the PowerShell function PSConsoleHostReadline
/// after the prompt has been displayed.
/// </summary>
/// <returns>The complete command line.</returns>
public static string ReadLine()
{
uint dwConsoleMode;
var handle = NativeMethods.GetStdHandle((uint)StandardHandleId.Input);
NativeMethods.GetConsoleMode(handle, out dwConsoleMode);
try
{
// Clear a couple flags so we can actually receive certain keys:
// ENABLE_PROCESSED_INPUT - enables Ctrl+C
// ENABLE_LINE_INPUT - enables Ctrl+S
NativeMethods.SetConsoleMode(handle,
dwConsoleMode & ~(NativeMethods.ENABLE_PROCESSED_INPUT | NativeMethods.ENABLE_LINE_INPUT));
_singleton.Initialize();
return(_singleton.InputLoop());
}
catch (OperationCanceledException)
{
// Console is exiting - return value isn't too critical - null or 'exit' could work equally well.
return("");
}
finally
{
NativeMethods.SetConsoleMode(handle, dwConsoleMode);
}
}
/// <summary>
/// Entry point - called from the PowerShell function PSConsoleHostReadline
/// after the prompt has been displayed.
/// </summary>
/// <returns>The complete command line.</returns>
public static string ReadLine(Runspace remoteRunspace = null, EngineIntrinsics engineIntrinsics = null)
{
var handle = NativeMethods.GetStdHandle((uint)StandardHandleId.Input);
NativeMethods.GetConsoleMode(handle, out _singleton._prePSReadlineConsoleMode);
try
{
// Clear a couple flags so we can actually receive certain keys:
// ENABLE_PROCESSED_INPUT - enables Ctrl+C
// ENABLE_LINE_INPUT - enables Ctrl+S
NativeMethods.SetConsoleMode(handle,
_singleton._prePSReadlineConsoleMode & ~(NativeMethods.ENABLE_PROCESSED_INPUT | NativeMethods.ENABLE_LINE_INPUT));
_singleton.Initialize(remoteRunspace, engineIntrinsics);
return(_singleton.InputLoop());
}
catch (OperationCanceledException)
{
// Console is exiting - return value isn't too critical - null or 'exit' could work equally well.
return("");
}
catch (ExitException)
{
return("exit");
}
catch (Exception e)
{
// If we're running tests, just throw.
if (_singleton._mockableMethods != _singleton)
{
throw;
}
while (e.InnerException != null)
{
e = e.InnerException;
}
var oldColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(PSReadLineResources.OopsAnErrorMessage1);
Console.ForegroundColor = oldColor;
var sb = new StringBuilder();
for (int i = 0; i < _lastNKeys.Count; i++)
{
sb.Append(' ');
sb.Append(_lastNKeys[i].ToGestureString());
KeyHandler handler;
if (_singleton._dispatchTable.TryGetValue(_lastNKeys[i], out handler) &&
"AcceptLine".Equals(handler.BriefDescription, StringComparison.OrdinalIgnoreCase))
{
// Make it a little easier to see the keys
sb.Append('\n');
}
// TODO: print non-default function bindings and script blocks
}
Console.WriteLine(PSReadLineResources.OopsAnErrorMessage2, _lastNKeys.Count, sb, e);
var lineBeforeCrash = _singleton._buffer.ToString();
_singleton.Initialize(remoteRunspace, _singleton._engineIntrinsics);
InvokePrompt();
Insert(lineBeforeCrash);
return(_singleton.InputLoop());
}
finally
{
NativeMethods.SetConsoleMode(handle, _singleton._prePSReadlineConsoleMode);
}
}
