private static TextConsole createConsoleWithShell(final ConsoleManager conMgr, PrintWriter out)
throws ShellException {
final TextConsole console =
(TextConsole)
conMgr.createConsole(
null, ConsoleManager.CreateOptions.TEXT | ConsoleManager.CreateOptions.SCROLLABLE);
CommandShell commandShell = new CommandShell(console);
new Thread(commandShell, "command-shell").start();
out.println("New console created with name: " + console.getConsoleName());
// FIXME we shouldn't be setting the invoker (and interpreter) via the System Properties
// object because it is "global" in some operation modes, and we want to be able to
// control the invoker / interpreter on a per-console basis.
String invokerName = System.getProperty(CommandShell.INVOKER_PROPERTY_NAME, "");
// FIXME this is a temporary hack until we decide what to do about these invokers
if ("thread".equals(invokerName) || "default".equals(invokerName)) {
PrintWriter err = new PrintWriter(console.getErr());
err.println(
"Warning: any commands run in this console via their main(String[]) will "
+ "have the 'wrong' System.out and System.err.");
err.println("The 'proclet' invoker should give better results.");
err.println(
"To use it, type 'exit', run 'set jnode.invoker proclet' "
+ "in the F1 console and run 'console -n' again.");
}
return console;
}
/**
* This will be the entry point for the isolate.
*
* @param args
*/
public static void main(String[] args) {
try {
final ShellManager sm = InitialNaming.lookup(ShellManager.NAME);
final ConsoleManager conMgr = sm.getCurrentShell().getConsole().getManager();
final PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
TextConsole console = createConsoleWithShell(conMgr, out);
System.setIn(new ReaderInputStream(console.getIn()));
System.setOut(new PrintStream(new WriterOutputStream(console.getOut(), false), true));
System.setErr(new PrintStream(new WriterOutputStream(console.getErr(), false), true));
} catch (Exception ex) {
// FIXME
System.out.println("Problem creating the isolated console");
ex.printStackTrace(System.err);
}
}
@Override
public void execute() throws NameNotFoundException, IsolateStartupException, ShellException {
final PrintWriter out = getOutput().getPrintWriter();
final ShellManager sm = InitialNaming.lookup(ShellManager.NAME);
final ConsoleManager conMgr = sm.getCurrentShell().getConsole().getManager();
boolean listConsoles = FLAG_LIST.isSet();
boolean newConsole = FLAG_NEW.isSet();
boolean isolateNewConsole = FLAG_ISOLATED.isSet();
boolean test = FLAG_TEST.isSet();
if (listConsoles) {
conMgr.printConsoles(out);
} else if (newConsole) {
if (isolateNewConsole) {
try {
Isolate newIsolate =
new Isolate(ConsoleCommand.IsolatedConsole.class.getName(), new String[0]);
newIsolate.start();
out.println("Started new isolated console");
} catch (IsolateStartupException ex) {
out.println("Failed to start new isolated console");
throw ex;
}
} else {
createConsoleWithShell(conMgr, out);
}
} else if (test) {
out.println("test RawTextConsole");
final TextConsole console =
(TextConsole)
conMgr.createConsole(
null,
ConsoleManager.CreateOptions.TEXT
| ConsoleManager.CreateOptions.NO_LINE_EDITTING);
conMgr.registerConsole(console);
conMgr.focus(console);
console.clear();
}
}
/** Set up the pager's console and command pipe. */
private void setup() throws NameNotFoundException, IOException {
ShellManager sm = InitialNaming.lookup(ShellManager.NAME);
manager = (TextScreenConsoleManager) sm.getCurrentShell().getConsole().getManager();
console =
manager.createConsole(
"page",
(ConsoleManager.CreateOptions.TEXT
| ConsoleManager.CreateOptions.STACKED
| ConsoleManager.CreateOptions.NO_LINE_EDITTING
| ConsoleManager.CreateOptions.NO_SYSTEM_OUT_ERR));
manager.focus(console);
pageHeight = console.getDeviceHeight() - 1;
pageWidth = console.getDeviceWidth();
pageSize = pageHeight * pageWidth;
tabSize = console.getTabSize();
pw = new PipedWriter();
pr = new PipedReader();
pr.connect(pw);
console.addKeyboardListener(this);
}
private void erasePrompt() {
console.clearRow(this.pageHeight);
}
private void prompt(String text) {
console.clearRow(this.pageHeight);
console.setChar(0, this.pageHeight, text.toCharArray(), DEFAULT_COLOR);
console.setCursor(0, this.pageHeight);
}
/**
* Do the paging, reading commands from our private console input pipe to figure out what to do
* next.
*
* @param r the source of data to be paged.
* @throws IOException
*/
private void pager() throws IOException {
// Output first page.
console.clear();
bottomLineNo = -1;
boolean exit = false;
nextPage();
// Process commands until we reach the EOF on the data source or
// the command pipe.
while (!exit) {
prompt();
int ch = pr.read();
erasePrompt();
switch (ch) {
case -1:
exit = true;
break;
case ' ':
case 'f':
if (lineStore.isLastLineNo(bottomLineNo)) {
exit = true;
} else {
nextPage();
}
break;
case 'b':
prevPage();
break;
case 'k':
case 'y':
prevLine();
break;
case '\n':
if (lineStore.isLastLineNo(bottomLineNo)) {
exit = true;
} else {
nextLine();
}
break;
case 'u':
prevScreenLine();
break;
case 'd':
nextScreenLine();
break;
case '<':
gotoPage(0);
break;
case '>':
gotoLastPage();
break;
case '/':
searchForwards();
break;
case '?':
searchBackwards();
break;
case '\004': // ^D
case 'q':
exit = true;
break;
case 'h':
help();
default:
// ignore
}
}
}
