end/exit marker processing about libsuperuser HOT 2 CLOSED

public void onNewLine(@NonNull String line) {
     synchronized (InteractiveShell.this) {
         if (mCommand == null)
             return;
         int markerIndex = line.indexOf(mCommand.getMarker());
         if (markerIndex != -1) { // Line contains a marker
             if (markerIndex > 0) { // We have hit the edge case, split off output.
                 String clingyOutput = line.substring(0, markerIndex);
                 addBufferOutput(clingyOutput);
                 processLine(clingyOutput, mGlobalOutputListener); 
             }
             try {
                 int exitCodeIndex = markerIndex + mCommand.getMarker().length() + 1; // Adjust exitcode position for edge case if necessary
                 mLastExitCode = Integer.valueOf(line.substring(exitCodeIndex, exitCodeIndex + 1));
             } catch (Exception e) {
                 Timber.tag(TAG).e(e, null);
                 Bugsnag.notify(e);
             }
             mLastMarkerOutput = mCommand.getMarker();
             processMarker();
         } else {
             addBufferOutput(line);
             processLine(line, mGlobalOutputListener);
         }
     }
 }