- *
- * NOTE: This class is experimental and does not fully work! Some of the operations, like disabling echo and
- * changing cbreak seems to be impossible to do without resorting to native code. Running "stty raw" before starting the
- * JVM will improve compatibility.
- *
- * @author Martin
- * @author Andreas
- */
-public class CygwinTerminal extends UnixLikeTerminal {
-
- private static final Pattern STTY_SIZE_PATTERN = Pattern.compile(".*rows ([0-9]+);.*columns ([0-9]+);.*");
- private static final String STTY_LOCATION = findProgram("stty.exe");
-
- /**
- * Creates a new CygwinTerminal based off input and output streams and a character set to use
- * @param terminalInput Input stream to read input from
- * @param terminalOutput Output stream to write output to
- * @param terminalCharset Character set to use when writing to the output stream
- * @throws IOException If there was an I/O error when trying to initialize the class and setup the terminal
- */
- public CygwinTerminal(
- InputStream terminalInput,
- OutputStream terminalOutput,
- Charset terminalCharset) throws IOException {
- super(terminalInput, terminalOutput, terminalCharset,
- CtrlCBehaviour.TRAP, null);
-
- //Make sure to set an initial size
- onResized(80, 24);
-
- saveSTTY();
- setCBreak(true);
- setEcho(false);
- sttyMinimum1CharacterForRead();
- setupShutdownHook();
- }
-
- @Override
- public TerminalSize getTerminalSize() {
- try {
- String stty = exec(findSTTY(), "-F", getPseudoTerminalDevice(), "-a");
- Matcher matcher = STTY_SIZE_PATTERN.matcher(stty);
- if(matcher.matches()) {
- return new TerminalSize(Integer.parseInt(matcher.group(2)), Integer.parseInt(matcher.group(1)));
- }
- else {
- return new TerminalSize(80, 24);
- }
- }
- catch(Throwable e) {
- return new TerminalSize(80, 24);
- }
- }
-
- @Override
- protected void sttyKeyEcho(final boolean enable) throws IOException {
- runSTTYCommand(enable ? "echo" : "-echo");
- }
-
- @Override
- protected void sttyMinimum1CharacterForRead() throws IOException {
- runSTTYCommand("min", "1");
- }
-
- @Override
- protected void sttyICanon(final boolean enable) throws IOException {
- runSTTYCommand(enable ? "icanon" : "cbreak");
- }
-
- @Override
- protected String sttySave() throws IOException {
- return runSTTYCommand("-g").trim();
- }
-
- @Override
- protected void sttyRestore(String tok) throws IOException {
- runSTTYCommand(tok);
- }
-
- protected String findSTTY() {
- return STTY_LOCATION;
- }
-
- private String runSTTYCommand(String... parameters) throws IOException {
- List