void resume() {
try {
in.getTerminal().init();
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
void suspend() {
try {
in.getTerminal().restore();
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
boolean terminalEditorRunning() {
Terminal terminal = in.getTerminal();
if (terminal instanceof JJSUnixTerminal) {
return ((JJSUnixTerminal) terminal).isRaw();
}
return false;
}
private void bind(String shortcut, Object action) {
KeyMap km = in.getKeys();
for (int i = 0; i < shortcut.length(); i++) {
final Object value = km.getBound(Character.toString(shortcut.charAt(i)));
if (value instanceof KeyMap) {
km = (KeyMap) value;
} else {
km.bind(shortcut.substring(i), action);
}
}
}
Console(
final InputStream cmdin,
final PrintStream cmdout,
final File historyFile,
final NashornCompleter completer,
final Function<String, String> docHelper)
throws IOException {
this.historyFile = historyFile;
TerminalFactory.registerFlavor(
Flavor.WINDOWS, isCygwin() ? JJSUnixTerminal::new : JJSWindowsTerminal::new);
TerminalFactory.registerFlavor(Flavor.UNIX, JJSUnixTerminal::new);
in = new ConsoleReader(cmdin, cmdout);
in.setExpandEvents(false);
in.setHandleUserInterrupt(true);
in.setBellEnabled(true);
in.setCopyPasteDetection(true);
final Iterable<String> existingHistory =
historyFile.exists() ? Files.readAllLines(historyFile.toPath()) : null;
in.setHistory(
new EditingHistory(in, existingHistory) {
@Override
protected boolean isComplete(CharSequence input) {
return completer.isComplete(input.toString());
}
});
in.addCompleter(completer);
Runtime.getRuntime().addShutdownHook(new Thread((Runnable) this::saveHistory));
bind(DOCUMENTATION_SHORTCUT, (ActionListener) evt -> showDocumentation(docHelper));
}
private void showDocumentation(final Function<String, String> docHelper) {
final String buffer = in.getCursorBuffer().buffer.toString();
final int cursor = in.getCursorBuffer().cursor;
final String doc = docHelper.apply(buffer.substring(0, cursor));
try {
if (doc != null) {
in.println();
in.println(doc);
in.redrawLine();
in.flush();
} else {
in.beep();
}
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
EditingHistory getHistory() {
return (EditingHistory) in.getHistory();
}
String readLine(final String prompt) throws IOException {
return in.readLine(prompt);
}