/// <summary>
/// Writes a line to stdin. A redirector must have been provided that indicates not
/// to close the StandardInput stream.
/// </summary>
/// <param name="line"></param>
public void WriteInputLine(string line)
{
if (IsStarted && redirector != null && !redirector.CloseStandardInput())
{
process.StandardInput.WriteLine(line);
process.StandardInput.Flush();
}
}
private ProcessOutput(Process process, Redirector redirector)
{
_arguments = QuoteSingleArgument(process.StartInfo.FileName) + " " + process.StartInfo.Arguments;
_redirector = redirector;
if (_redirector == null)
{
_output = new List <string>();
_error = new List <string>();
}
_process = process;
if (_process.StartInfo.RedirectStandardOutput)
{
_process.OutputDataReceived += OnOutputDataReceived;
}
if (_process.StartInfo.RedirectStandardError)
{
_process.ErrorDataReceived += OnErrorDataReceived;
}
if (!_process.StartInfo.RedirectStandardOutput && !_process.StartInfo.RedirectStandardError)
{
// If we are receiving output events, we signal that the process
// has exited when one of them receives null. Otherwise, we have
// to listen for the Exited event.
// If we just listen for the Exited event, we may receive it
// before all the output has arrived.
_process.Exited += OnExited;
}
_process.EnableRaisingEvents = true;
try {
_process.Start();
} catch (Exception ex) {
if (IsCriticalException(ex))
{
throw;
}
if (_redirector != null)
{
foreach (var line in SplitLines(ex.ToString()))
{
_redirector.WriteErrorLine(line);
}
}
else if (_error != null)
{
_error.AddRange(SplitLines(ex.ToString()));
}
_process = null;
}
if (_process != null)
{
if (_process.StartInfo.RedirectStandardOutput)
{
_process.BeginOutputReadLine();
}
if (_process.StartInfo.RedirectStandardError)
{
_process.BeginErrorReadLine();
}
if (_process.StartInfo.RedirectStandardInput)
{
// Close standard input so that we don't get stuck trying to read input from the user.
if (_redirector == null || (_redirector != null && _redirector.CloseStandardInput()))
{
try
{
_process.StandardInput.Close();
}
catch (InvalidOperationException)
{
// StandardInput not available
}
}
}
}
}