>();
+
+ static {
+ registerFlavor(Flavor.WINDOWS, AnsiWindowsTerminal.class);
+ registerFlavor(Flavor.UNIX, UnixTerminal.class);
+ }
+
+ public static synchronized Terminal get() {
+ if (term == null) {
+ term = create();
+ }
+ return term;
+ }
+
+ public static Terminal getFlavor(final Flavor flavor) throws Exception {
+ Class type = FLAVORS.get(flavor);
+ if (type != null) {
+ return type.newInstance();
+ }
+
+ throw new InternalError();
+ }
+
+ public static void registerFlavor(final Flavor flavor, final Class type) {
+ FLAVORS.put(flavor, type);
+ }
+
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/TerminalSupport.java 2015-06-18 03:05:11.197855896 -0700
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import jline.internal.Log;
+import jline.internal.ShutdownHooks;
+import jline.internal.ShutdownHooks.Task;
+
+/**
+ * Provides support for {@link Terminal} instances.
+ *
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public abstract class TerminalSupport
+ implements Terminal
+{
+ public static final int DEFAULT_WIDTH = 80;
+
+ public static final int DEFAULT_HEIGHT = 24;
+
+ private Task shutdownTask;
+
+ private boolean supported;
+
+ private boolean echoEnabled;
+
+ private boolean ansiSupported;
+
+ protected TerminalSupport(final boolean supported) {
+ this.supported = supported;
+ }
+
+ public void init() throws Exception {
+ if (shutdownTask != null) {
+ ShutdownHooks.remove(shutdownTask);
+ }
+ // Register a task to restore the terminal on shutdown
+ this.shutdownTask = ShutdownHooks.add(new Task()
+ {
+ public void run() throws Exception {
+ restore();
+ }
+ });
+ }
+
+ public void restore() throws Exception {
+ TerminalFactory.resetIf(this);
+ if (shutdownTask != null) {
+ ShutdownHooks.remove(shutdownTask);
+ shutdownTask = null;
+ }
+ }
+
+ public void reset() throws Exception {
+ restore();
+ init();
+ }
+
+ public final boolean isSupported() {
+ return supported;
+ }
+
+ public synchronized boolean isAnsiSupported() {
+ return ansiSupported;
+ }
+
+ protected synchronized void setAnsiSupported(final boolean supported) {
+ this.ansiSupported = supported;
+ Log.debug("Ansi supported: ", supported);
+ }
+
+ /**
+ * Subclass to change behavior if needed.
+ * @return the passed out
+ */
+ public OutputStream wrapOutIfNeeded(OutputStream out) {
+ return out;
+ }
+
+ /**
+ * Defaults to true which was the behaviour before this method was added.
+ */
+ public boolean hasWeirdWrap() {
+ return true;
+ }
+
+ public int getWidth() {
+ return DEFAULT_WIDTH;
+ }
+
+ public int getHeight() {
+ return DEFAULT_HEIGHT;
+ }
+
+ public synchronized boolean isEchoEnabled() {
+ return echoEnabled;
+ }
+
+ public synchronized void setEchoEnabled(final boolean enabled) {
+ this.echoEnabled = enabled;
+ Log.debug("Echo enabled: ", enabled);
+ }
+
+ public InputStream wrapInIfNeeded(InputStream in) throws IOException {
+ return in;
+ }
+
+ public String getOutputEncoding() {
+ // null for unknown
+ return null;
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/UnixTerminal.java 2015-06-18 03:05:11.708859595 -0700
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline;
+
+import jline.internal.Log;
+import jline.internal.TerminalLineSettings;
+
+/**
+ * Terminal that is used for unix platforms. Terminal initialization
+ * is handled by issuing the stty command against the
+ * /dev/tty file to disable character echoing and enable
+ * character input. All known unix systems (including
+ * Linux and Macintosh OS X) support the stty), so this
+ * implementation should work for an reasonable POSIX system.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Dale Kemp
+ * @author Jason Dillon
+ * @author Jean-Baptiste Onofré
+ * @since 2.0
+ */
+public class UnixTerminal
+ extends TerminalSupport
+{
+ private final TerminalLineSettings settings = new TerminalLineSettings();
+
+ public UnixTerminal() throws Exception {
+ super(true);
+ }
+
+ protected TerminalLineSettings getSettings() {
+ return settings;
+ }
+
+ /**
+ * Remove line-buffered input by invoking "stty -icanon min 1"
+ * against the current terminal.
+ */
+ @Override
+ public void init() throws Exception {
+ super.init();
+
+ setAnsiSupported(true);
+
+ // Set the console to be character-buffered instead of line-buffered.
+ // Make sure we're distinguishing carriage return from newline.
+ // Allow ctrl-s keypress to be used (as forward search)
+ settings.set("-icanon min 1 -icrnl -inlcr -ixon");
+ settings.set("dsusp undef");
+
+ setEchoEnabled(false);
+ }
+
+ /**
+ * Restore the original terminal configuration, which can be used when
+ * shutting down the console reader. The ConsoleReader cannot be
+ * used after calling this method.
+ */
+ @Override
+ public void restore() throws Exception {
+ settings.restore();
+ super.restore();
+ }
+
+ /**
+ * Returns the value of stty columns param.
+ */
+ @Override
+ public int getWidth() {
+ int w = settings.getProperty("columns");
+ return w < 1 ? DEFAULT_WIDTH : w;
+ }
+
+ /**
+ * Returns the value of stty rows>/tt> param.
+ */
+ @Override
+ public int getHeight() {
+ int h = settings.getProperty("rows");
+ return h < 1 ? DEFAULT_HEIGHT : h;
+ }
+
+ @Override
+ public synchronized void setEchoEnabled(final boolean enabled) {
+ try {
+ if (enabled) {
+ settings.set("echo");
+ }
+ else {
+ settings.set("-echo");
+ }
+ super.setEchoEnabled(enabled);
+ }
+ catch (Exception e) {
+ if (e instanceof InterruptedException) {
+ Thread.currentThread().interrupt();
+ }
+ Log.error("Failed to ", (enabled ? "enable" : "disable"), " echo", e);
+ }
+ }
+
+ public void disableInterruptCharacter()
+ {
+ try {
+ settings.set("intr undef");
+ }
+ catch (Exception e) {
+ if (e instanceof InterruptedException) {
+ Thread.currentThread().interrupt();
+ }
+ Log.error("Failed to disable interrupt character", e);
+ }
+ }
+
+ public void enableInterruptCharacter()
+ {
+ try {
+ settings.set("intr ^C");
+ }
+ catch (Exception e) {
+ if (e instanceof InterruptedException) {
+ Thread.currentThread().interrupt();
+ }
+ Log.error("Failed to enable interrupt character", e);
+ }
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/UnsupportedTerminal.java 2015-06-18 03:05:12.221863307 -0700
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline;
+
+/**
+ * An unsupported terminal.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public class UnsupportedTerminal
+ extends TerminalSupport
+{
+ public UnsupportedTerminal() {
+ super(false);
+ setAnsiSupported(false);
+ setEchoEnabled(true);
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/WindowsTerminal.java 2015-06-18 03:05:12.733867012 -0700
@@ -0,0 +1,378 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import jline.internal.Configuration;
+import jline.internal.Log;
+import org.fusesource.jansi.internal.WindowsSupport;
+import org.fusesource.jansi.internal.Kernel32;
+import static org.fusesource.jansi.internal.Kernel32.*;
+
+import static jline.WindowsTerminal.ConsoleMode.ENABLE_ECHO_INPUT;
+import static jline.WindowsTerminal.ConsoleMode.ENABLE_LINE_INPUT;
+import static jline.WindowsTerminal.ConsoleMode.ENABLE_PROCESSED_INPUT;
+import static jline.WindowsTerminal.ConsoleMode.ENABLE_WINDOW_INPUT;
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Terminal implementation for Microsoft Windows. Terminal initialization in
+ * {@link #init} is accomplished by extracting the
+ * jline_version.dll, saving it to the system temporary
+ * directoy (determined by the setting of the java.io.tmpdir System
+ * property), loading the library, and then calling the Win32 APIs SetConsoleMode and
+ * GetConsoleMode to
+ * disable character echoing.
+ *
+ *
+ * By default, the {@link #wrapInIfNeeded(java.io.InputStream)} method will attempt
+ * to test to see if the specified {@link InputStream} is {@link System#in} or a wrapper
+ * around {@link FileDescriptor#in}, and if so, will bypass the character reading to
+ * directly invoke the readc() method in the JNI library. This is so the class
+ * can read special keys (like arrow keys) which are otherwise inaccessible via
+ * the {@link System#in} stream. Using JNI reading can be bypassed by setting
+ * the jline.WindowsTerminal.directConsole system property
+ * to false.
+ *
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public class WindowsTerminal
+ extends TerminalSupport
+{
+ public static final String DIRECT_CONSOLE = WindowsTerminal.class.getName() + ".directConsole";
+
+ public static final String ANSI = WindowsTerminal.class.getName() + ".ansi";
+
+ private boolean directConsole;
+
+ private int originalMode;
+
+ public WindowsTerminal() throws Exception {
+ super(true);
+ }
+
+ @Override
+ public void init() throws Exception {
+ super.init();
+
+ setAnsiSupported(Configuration.getBoolean(ANSI, true));
+
+ //
+ // FIXME: Need a way to disable direct console and sysin detection muck
+ //
+
+ setDirectConsole(Configuration.getBoolean(DIRECT_CONSOLE, true));
+
+ this.originalMode = getConsoleMode();
+ setConsoleMode(originalMode & ~ENABLE_ECHO_INPUT.code);
+ setEchoEnabled(false);
+ }
+
+ /**
+ * Restore the original terminal configuration, which can be used when
+ * shutting down the console reader. The ConsoleReader cannot be
+ * used after calling this method.
+ */
+ @Override
+ public void restore() throws Exception {
+ // restore the old console mode
+ setConsoleMode(originalMode);
+ super.restore();
+ }
+
+ @Override
+ public int getWidth() {
+ int w = getWindowsTerminalWidth();
+ return w < 1 ? DEFAULT_WIDTH : w;
+ }
+
+ @Override
+ public int getHeight() {
+ int h = getWindowsTerminalHeight();
+ return h < 1 ? DEFAULT_HEIGHT : h;
+ }
+
+ @Override
+ public void setEchoEnabled(final boolean enabled) {
+ // Must set these four modes at the same time to make it work fine.
+ if (enabled) {
+ setConsoleMode(getConsoleMode() |
+ ENABLE_ECHO_INPUT.code |
+ ENABLE_LINE_INPUT.code |
+ ENABLE_PROCESSED_INPUT.code |
+ ENABLE_WINDOW_INPUT.code);
+ }
+ else {
+ setConsoleMode(getConsoleMode() &
+ ~(ENABLE_LINE_INPUT.code |
+ ENABLE_ECHO_INPUT.code |
+ ENABLE_PROCESSED_INPUT.code |
+ ENABLE_WINDOW_INPUT.code));
+ }
+ super.setEchoEnabled(enabled);
+ }
+
+ /**
+ * Whether or not to allow the use of the JNI console interaction.
+ */
+ public void setDirectConsole(final boolean flag) {
+ this.directConsole = flag;
+ Log.debug("Direct console: ", flag);
+ }
+
+ /**
+ * Whether or not to allow the use of the JNI console interaction.
+ */
+ public Boolean getDirectConsole() {
+ return directConsole;
+ }
+
+
+ @Override
+ public InputStream wrapInIfNeeded(InputStream in) throws IOException {
+ if (directConsole && isSystemIn(in)) {
+ return new InputStream() {
+ private byte[] buf = null;
+ int bufIdx = 0;
+
+ @Override
+ public int read() throws IOException {
+ while (buf == null || bufIdx == buf.length) {
+ buf = readConsoleInput();
+ bufIdx = 0;
+ }
+ int c = buf[bufIdx] & 0xFF;
+ bufIdx++;
+ return c;
+ }
+ };
+ } else {
+ return super.wrapInIfNeeded(in);
+ }
+ }
+
+ protected boolean isSystemIn(final InputStream in) throws IOException {
+ if (in == null) {
+ return false;
+ }
+ else if (in == System.in) {
+ return true;
+ }
+ else if (in instanceof FileInputStream && ((FileInputStream) in).getFD() == FileDescriptor.in) {
+ return true;
+ }
+
+ return false;
+ }
+
+ @Override
+ public String getOutputEncoding() {
+ int codepage = getConsoleOutputCodepage();
+ //http://docs.oracle.com/javase/6/docs/technotes/guides/intl/encoding.doc.html
+ String charsetMS = "ms" + codepage;
+ if (java.nio.charset.Charset.isSupported(charsetMS)) {
+ return charsetMS;
+ }
+ String charsetCP = "cp" + codepage;
+ if (java.nio.charset.Charset.isSupported(charsetCP)) {
+ return charsetCP;
+ }
+ Log.debug("can't figure out the Java Charset of this code page (" + codepage + ")...");
+ return super.getOutputEncoding();
+ }
+
+ //
+ // Native Bits
+ //
+ private int getConsoleMode() {
+ return WindowsSupport.getConsoleMode();
+ }
+
+ private void setConsoleMode(int mode) {
+ WindowsSupport.setConsoleMode(mode);
+ }
+
+ private byte[] readConsoleInput() {
+ // XXX does how many events to read in one call matter?
+ INPUT_RECORD[] events = null;
+ try {
+ events = WindowsSupport.readConsoleInput(1);
+ } catch (IOException e) {
+ Log.debug("read Windows console input error: ", e);
+ }
+ if (events == null) {
+ return new byte[0];
+ }
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < events.length; i++ ) {
+ KEY_EVENT_RECORD keyEvent = events[i].keyEvent;
+ //Log.trace(keyEvent.keyDown? "KEY_DOWN" : "KEY_UP", "key code:", keyEvent.keyCode, "char:", (long)keyEvent.uchar);
+ if (keyEvent.keyDown) {
+ if (keyEvent.uchar > 0) {
+ // support some C1 control sequences: ALT + [@-_] (and [a-z]?) => ESC
+ // http://en.wikipedia.org/wiki/C0_and_C1_control_codes#C1_set
+ final int altState = KEY_EVENT_RECORD.LEFT_ALT_PRESSED | KEY_EVENT_RECORD.RIGHT_ALT_PRESSED;
+ // Pressing "Alt Gr" is translated to Alt-Ctrl, hence it has to be checked that Ctrl is _not_ pressed,
+ // otherwise inserting of "Alt Gr" codes on non-US keyboards would yield errors
+ final int ctrlState = KEY_EVENT_RECORD.LEFT_CTRL_PRESSED | KEY_EVENT_RECORD.RIGHT_CTRL_PRESSED;
+ if (((keyEvent.uchar >= '@' && keyEvent.uchar <= '_') || (keyEvent.uchar >= 'a' && keyEvent.uchar <= 'z'))
+ && ((keyEvent.controlKeyState & altState) != 0) && ((keyEvent.controlKeyState & ctrlState) == 0)) {
+ sb.append('\u001B'); // ESC
+ }
+
+ sb.append(keyEvent.uchar);
+ continue;
+ }
+ // virtual keycodes: http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx
+ // just add support for basic editing keys (no control state, no numpad keys)
+ String escapeSequence = null;
+ switch (keyEvent.keyCode) {
+ case 0x21: // VK_PRIOR PageUp
+ escapeSequence = "\u001B[5~";
+ break;
+ case 0x22: // VK_NEXT PageDown
+ escapeSequence = "\u001B[6~";
+ break;
+ case 0x23: // VK_END
+ escapeSequence = "\u001B[4~";
+ break;
+ case 0x24: // VK_HOME
+ escapeSequence = "\u001B[1~";
+ break;
+ case 0x25: // VK_LEFT
+ escapeSequence = "\u001B[D";
+ break;
+ case 0x26: // VK_UP
+ escapeSequence = "\u001B[A";
+ break;
+ case 0x27: // VK_RIGHT
+ escapeSequence = "\u001B[C";
+ break;
+ case 0x28: // VK_DOWN
+ escapeSequence = "\u001B[B";
+ break;
+ case 0x2D: // VK_INSERT
+ escapeSequence = "\u001B[2~";
+ break;
+ case 0x2E: // VK_DELETE
+ escapeSequence = "\u001B[3~";
+ break;
+ default:
+ break;
+ }
+ if (escapeSequence != null) {
+ for (int k = 0; k < keyEvent.repeatCount; k++) {
+ sb.append(escapeSequence);
+ }
+ }
+ } else {
+ // key up event
+ // support ALT+NumPad input method
+ if (keyEvent.keyCode == 0x12/*VK_MENU ALT key*/ && keyEvent.uchar > 0) {
+ sb.append(keyEvent.uchar);
+ }
+ }
+ }
+ return sb.toString().getBytes();
+ }
+
+ private int getConsoleOutputCodepage() {
+ return Kernel32.GetConsoleOutputCP();
+ }
+
+ private int getWindowsTerminalWidth() {
+ return WindowsSupport.getWindowsTerminalWidth();
+ }
+
+ private int getWindowsTerminalHeight() {
+ return WindowsSupport.getWindowsTerminalHeight();
+ }
+
+ /**
+ * Console mode
+ *
+ * Constants copied wincon.h.
+ */
+ public static enum ConsoleMode
+ {
+ /**
+ * The ReadFile or ReadConsole function returns only when a carriage return
+ * character is read. If this mode is disable, the functions return when one
+ * or more characters are available.
+ */
+ ENABLE_LINE_INPUT(2),
+
+ /**
+ * Characters read by the ReadFile or ReadConsole function are written to
+ * the active screen buffer as they are read. This mode can be used only if
+ * the ENABLE_LINE_INPUT mode is also enabled.
+ */
+ ENABLE_ECHO_INPUT(4),
+
+ /**
+ * CTRL+C is processed by the system and is not placed in the input buffer.
+ * If the input buffer is being read by ReadFile or ReadConsole, other
+ * control keys are processed by the system and are not returned in the
+ * ReadFile or ReadConsole buffer. If the ENABLE_LINE_INPUT mode is also
+ * enabled, backspace, carriage return, and linefeed characters are handled
+ * by the system.
+ */
+ ENABLE_PROCESSED_INPUT(1),
+
+ /**
+ * User interactions that change the size of the console screen buffer are
+ * reported in the console's input buffee. Information about these events
+ * can be read from the input buffer by applications using
+ * theReadConsoleInput function, but not by those using ReadFile
+ * orReadConsole.
+ */
+ ENABLE_WINDOW_INPUT(8),
+
+ /**
+ * If the mouse pointer is within the borders of the console window and the
+ * window has the keyboard focus, mouse events generated by mouse movement
+ * and button presses are placed in the input buffer. These events are
+ * discarded by ReadFile or ReadConsole, even when this mode is enabled.
+ */
+ ENABLE_MOUSE_INPUT(16),
+
+ /**
+ * When enabled, text entered in a console window will be inserted at the
+ * current cursor location and all text following that location will not be
+ * overwritten. When disabled, all following text will be overwritten. An OR
+ * operation must be performed with this flag and the ENABLE_EXTENDED_FLAGS
+ * flag to enable this functionality.
+ */
+ ENABLE_PROCESSED_OUTPUT(1),
+
+ /**
+ * This flag enables the user to use the mouse to select and edit text. To
+ * enable this option, use the OR to combine this flag with
+ * ENABLE_EXTENDED_FLAGS.
+ */
+ ENABLE_WRAP_AT_EOL_OUTPUT(2),;
+
+ public final int code;
+
+ ConsoleMode(final int code) {
+ this.code = code;
+ }
+ }
+
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/ConsoleKeys.java 2015-06-18 03:05:13.241870688 -0700
@@ -0,0 +1,399 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import jline.internal.Log;
+
+/**
+ * @author Ståle W. Pedersen
+ */
+public class ConsoleKeys {
+
+ private KeyMap keys;
+
+ private Map keyMaps;
+ private Map variables = new HashMap();
+
+ public ConsoleKeys(String appName, URL inputrcUrl) {
+ keyMaps = KeyMap.keyMaps();
+ loadKeys(appName, inputrcUrl);
+ }
+
+ protected boolean isViEditMode() {
+ return keys.isViKeyMap();
+ }
+
+ protected boolean setKeyMap (String name) {
+ KeyMap map = keyMaps.get(name);
+ if (map == null) {
+ return false;
+ }
+ this.keys = map;
+ return true;
+ }
+
+ protected Map getKeyMaps() {
+ return keyMaps;
+ }
+
+ protected KeyMap getKeys() {
+ return keys;
+ }
+
+ protected void setKeys(KeyMap keys) {
+ this.keys = keys;
+ }
+
+ protected boolean getViEditMode() {
+ return keys.isViKeyMap ();
+ }
+
+ protected void loadKeys(String appName, URL inputrcUrl) {
+ keys = keyMaps.get(KeyMap.EMACS);
+
+ try {
+ InputStream input = inputrcUrl.openStream();
+ try {
+ loadKeys(input, appName);
+ Log.debug("Loaded user configuration: ", inputrcUrl);
+ }
+ finally {
+ try {
+ input.close();
+ } catch (IOException e) {
+ // Ignore
+ }
+ }
+ }
+ catch (IOException e) {
+ if (inputrcUrl.getProtocol().equals("file")) {
+ File file = new File(inputrcUrl.getPath());
+ if (file.exists()) {
+ Log.warn("Unable to read user configuration: ", inputrcUrl, e);
+ }
+ } else {
+ Log.warn("Unable to read user configuration: ", inputrcUrl, e);
+ }
+ }
+ }
+
+ private void loadKeys(InputStream input, String appName) throws IOException {
+ BufferedReader reader = new BufferedReader( new java.io.InputStreamReader( input ) );
+ String line;
+ boolean parsing = true;
+ List ifsStack = new ArrayList();
+ while ( (line = reader.readLine()) != null ) {
+ try {
+ line = line.trim();
+ if (line.length() == 0) {
+ continue;
+ }
+ if (line.charAt(0) == '#') {
+ continue;
+ }
+ int i = 0;
+ if (line.charAt(i) == '$') {
+ String cmd;
+ String args;
+ for (++i; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
+ int s = i;
+ for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
+ cmd = line.substring(s, i);
+ for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
+ s = i;
+ for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
+ args = line.substring(s, i);
+ if ("if".equalsIgnoreCase(cmd)) {
+ ifsStack.add( parsing );
+ if (!parsing) {
+ continue;
+ }
+ if (args.startsWith("term=")) {
+ // TODO
+ } else if (args.startsWith("mode=")) {
+ if (args.equalsIgnoreCase("mode=vi")) {
+ parsing = isViEditMode();
+ } else if (args.equals("mode=emacs")) {
+ parsing = !isViEditMode();
+ } else {
+ parsing = false;
+ }
+ } else {
+ parsing = args.equalsIgnoreCase(appName);
+ }
+ } else if ("else".equalsIgnoreCase(cmd)) {
+ if (ifsStack.isEmpty()) {
+ throw new IllegalArgumentException("$else found without matching $if");
+ }
+ boolean invert = true;
+ for (boolean b : ifsStack) {
+ if (!b) {
+ invert = false;
+ break;
+ }
+ }
+ if (invert) {
+ parsing = !parsing;
+ }
+ } else if ("endif".equalsIgnoreCase(cmd)) {
+ if (ifsStack.isEmpty()) {
+ throw new IllegalArgumentException("endif found without matching $if");
+ }
+ parsing = ifsStack.remove( ifsStack.size() - 1 );
+ } else if ("include".equalsIgnoreCase(cmd)) {
+ // TODO
+ }
+ continue;
+ }
+ if (!parsing) {
+ continue;
+ }
+ boolean equivalency;
+ String keySeq = "";
+ if (line.charAt(i++) == '"') {
+ boolean esc = false;
+ for (;; i++) {
+ if (i >= line.length()) {
+ throw new IllegalArgumentException("Missing closing quote on line '" + line + "'");
+ }
+ if (esc) {
+ esc = false;
+ } else if (line.charAt(i) == '\\') {
+ esc = true;
+ } else if (line.charAt(i) == '"') {
+ break;
+ }
+ }
+ }
+ for (; i < line.length() && line.charAt(i) != ':'
+ && line.charAt(i) != ' ' && line.charAt(i) != '\t'
+ ; i++);
+ keySeq = line.substring(0, i);
+ equivalency = (i + 1 < line.length() && line.charAt(i) == ':' && line.charAt(i + 1) == '=');
+ i++;
+ if (equivalency) {
+ i++;
+ }
+ if (keySeq.equalsIgnoreCase("set")) {
+ String key;
+ String val;
+ for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
+ int s = i;
+ for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
+ key = line.substring( s, i );
+ for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
+ s = i;
+ for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
+ val = line.substring( s, i );
+ setVar( key, val );
+ } else {
+ for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
+ int start = i;
+ if (i < line.length() && (line.charAt(i) == '\'' || line.charAt(i) == '\"')) {
+ char delim = line.charAt(i++);
+ boolean esc = false;
+ for (;; i++) {
+ if (i >= line.length()) {
+ break;
+ }
+ if (esc) {
+ esc = false;
+ } else if (line.charAt(i) == '\\') {
+ esc = true;
+ } else if (line.charAt(i) == delim) {
+ break;
+ }
+ }
+ }
+ for (; i < line.length() && line.charAt(i) != ' ' && line.charAt(i) != '\t'; i++);
+ String val = line.substring(Math.min(start, line.length()), Math.min(i, line.length()));
+ if (keySeq.charAt(0) == '"') {
+ keySeq = translateQuoted(keySeq);
+ } else {
+ // Bind key name
+ String keyName = keySeq.lastIndexOf('-') > 0 ? keySeq.substring( keySeq.lastIndexOf('-') + 1 ) : keySeq;
+ char key = getKeyFromName(keyName);
+ keyName = keySeq.toLowerCase();
+ keySeq = "";
+ if (keyName.contains("meta-") || keyName.contains("m-")) {
+ keySeq += "\u001b";
+ }
+ if (keyName.contains("control-") || keyName.contains("c-") || keyName.contains("ctrl-")) {
+ key = (char)(Character.toUpperCase( key ) & 0x1f);
+ }
+ keySeq += key;
+ }
+ if (val.length() > 0 && (val.charAt(0) == '\'' || val.charAt(0) == '\"')) {
+ keys.bind( keySeq, translateQuoted(val) );
+ } else {
+ String operationName = val.replace('-', '_').toUpperCase();
+ try {
+ keys.bind(keySeq, Operation.valueOf(operationName));
+ } catch(IllegalArgumentException e) {
+ Log.info("Unable to bind key for unsupported operation: ", val);
+ }
+ }
+ }
+ } catch (IllegalArgumentException e) {
+ Log.warn("Unable to parse user configuration: ", e);
+ }
+ }
+ }
+
+ private String translateQuoted(String keySeq) {
+ int i;
+ String str = keySeq.substring( 1, keySeq.length() - 1 );
+ keySeq = "";
+ for (i = 0; i < str.length(); i++) {
+ char c = str.charAt(i);
+ if (c == '\\') {
+ boolean ctrl = str.regionMatches(i, "\\C-", 0, 3)|| str.regionMatches(i, "\\M-\\C-", 0, 6);
+ boolean meta = str.regionMatches(i, "\\M-", 0, 3)|| str.regionMatches(i, "\\C-\\M-", 0, 6);
+ i += (meta ? 3 : 0) + (ctrl ? 3 : 0) + (!meta && !ctrl ? 1 : 0);
+ if (i >= str.length()) {
+ break;
+ }
+ c = str.charAt(i);
+ if (meta) {
+ keySeq += "\u001b";
+ }
+ if (ctrl) {
+ c = c == '?' ? 0x7f : (char)(Character.toUpperCase( c ) & 0x1f);
+ }
+ if (!meta && !ctrl) {
+ switch (c) {
+ case 'a': c = 0x07; break;
+ case 'b': c = '\b'; break;
+ case 'd': c = 0x7f; break;
+ case 'e': c = 0x1b; break;
+ case 'f': c = '\f'; break;
+ case 'n': c = '\n'; break;
+ case 'r': c = '\r'; break;
+ case 't': c = '\t'; break;
+ case 'v': c = 0x0b; break;
+ case '\\': c = '\\'; break;
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ c = 0;
+ for (int j = 0; j < 3; j++, i++) {
+ if (i >= str.length()) {
+ break;
+ }
+ int k = Character.digit(str.charAt(i), 8);
+ if (k < 0) {
+ break;
+ }
+ c = (char)(c * 8 + k);
+ }
+ c &= 0xFF;
+ break;
+ case 'x':
+ i++;
+ c = 0;
+ for (int j = 0; j < 2; j++, i++) {
+ if (i >= str.length()) {
+ break;
+ }
+ int k = Character.digit(str.charAt(i), 16);
+ if (k < 0) {
+ break;
+ }
+ c = (char)(c * 16 + k);
+ }
+ c &= 0xFF;
+ break;
+ case 'u':
+ i++;
+ c = 0;
+ for (int j = 0; j < 4; j++, i++) {
+ if (i >= str.length()) {
+ break;
+ }
+ int k = Character.digit(str.charAt(i), 16);
+ if (k < 0) {
+ break;
+ }
+ c = (char)(c * 16 + k);
+ }
+ break;
+ }
+ }
+ keySeq += c;
+ } else {
+ keySeq += c;
+ }
+ }
+ return keySeq;
+ }
+
+ private char getKeyFromName(String name) {
+ if ("DEL".equalsIgnoreCase(name) || "Rubout".equalsIgnoreCase(name)) {
+ return 0x7f;
+ } else if ("ESC".equalsIgnoreCase(name) || "Escape".equalsIgnoreCase(name)) {
+ return '\033';
+ } else if ("LFD".equalsIgnoreCase(name) || "NewLine".equalsIgnoreCase(name)) {
+ return '\n';
+ } else if ("RET".equalsIgnoreCase(name) || "Return".equalsIgnoreCase(name)) {
+ return '\r';
+ } else if ("SPC".equalsIgnoreCase(name) || "Space".equalsIgnoreCase(name)) {
+ return ' ';
+ } else if ("Tab".equalsIgnoreCase(name)) {
+ return '\t';
+ } else {
+ return name.charAt(0);
+ }
+ }
+
+ private void setVar(String key, String val) {
+ if ("keymap".equalsIgnoreCase(key)) {
+ if (keyMaps.containsKey(val)) {
+ keys = keyMaps.get(val);
+ }
+ } else if ("editing-mode".equals(key)) {
+ if ("vi".equalsIgnoreCase(val)) {
+ keys = keyMaps.get(KeyMap.VI_INSERT);
+ } else if ("emacs".equalsIgnoreCase(key)) {
+ keys = keyMaps.get(KeyMap.EMACS);
+ }
+ } else if ("blink-matching-paren".equals(key)) {
+ if ("on".equalsIgnoreCase(val)) {
+ keys.setBlinkMatchingParen(true);
+ } else if ("off".equalsIgnoreCase(val)) {
+ keys.setBlinkMatchingParen(false);
+ }
+ }
+
+ /*
+ * Technically variables should be defined as a functor class
+ * so that validation on the variable value can be done at parse
+ * time. This is a stop-gap.
+ */
+ variables.put(key, val);
+ }
+
+ /**
+ * Retrieves the value of a variable that was set in the .inputrc file
+ * during processing
+ * @param var The variable name
+ * @return The variable value.
+ */
+ public String getVariable(String var) {
+ return variables.get (var);
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/ConsoleReader.java 2015-06-18 03:05:13.791874668 -0700
@@ -0,0 +1,3974 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+import java.awt.*;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.event.ActionListener;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Reader;
+import java.io.Writer;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+import java.util.ResourceBundle;
+import java.util.Stack;
+
+import jline.Terminal;
+import jline.TerminalFactory;
+import jline.UnixTerminal;
+import jline.console.completer.CandidateListCompletionHandler;
+import jline.console.completer.Completer;
+import jline.console.completer.CompletionHandler;
+import jline.console.history.History;
+import jline.console.history.MemoryHistory;
+import jline.internal.Configuration;
+import jline.internal.InputStreamReader;
+import jline.internal.Log;
+import jline.internal.NonBlockingInputStream;
+import jline.internal.Nullable;
+import jline.internal.Urls;
+import org.fusesource.jansi.AnsiOutputStream;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * A reader for console applications. It supports custom tab-completion,
+ * saveable command history, and command line editing. On some platforms,
+ * platform-specific commands will need to be issued before the reader will
+ * function properly. See {@link jline.Terminal#init} for convenience
+ * methods for issuing platform-specific setup commands.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @author Guillaume Nodet
+ */
+public class ConsoleReader
+{
+ public static final String JLINE_NOBELL = "jline.nobell";
+
+ public static final String JLINE_ESC_TIMEOUT = "jline.esc.timeout";
+
+ public static final String JLINE_INPUTRC = "jline.inputrc";
+
+ public static final String INPUT_RC = ".inputrc";
+
+ public static final String DEFAULT_INPUT_RC = "/etc/inputrc";
+
+ public static final char BACKSPACE = '\b';
+
+ public static final char RESET_LINE = '\r';
+
+ public static final char KEYBOARD_BELL = '\07';
+
+ public static final char NULL_MASK = 0;
+
+ public static final int TAB_WIDTH = 4;
+
+ private static final ResourceBundle
+ resources = ResourceBundle.getBundle(CandidateListCompletionHandler.class.getName());
+
+ private final Terminal terminal;
+
+ private final Writer out;
+
+ private final CursorBuffer buf = new CursorBuffer();
+
+ private String prompt;
+ private int promptLen;
+
+ private boolean expandEvents = true;
+
+ private boolean bellEnabled = !Configuration.getBoolean(JLINE_NOBELL, true);
+
+ private boolean handleUserInterrupt = false;
+
+ private Character mask;
+
+ private Character echoCharacter;
+
+ private StringBuffer searchTerm = null;
+
+ private String previousSearchTerm = "";
+
+ private int searchIndex = -1;
+
+ private int parenBlinkTimeout = 500;
+
+ /*
+ * The reader and the nonBlockingInput go hand-in-hand. The reader wraps
+ * the nonBlockingInput, but we have to retain a handle to it so that
+ * we can shut down its blocking read thread when we go away.
+ */
+ private NonBlockingInputStream in;
+ private long escapeTimeout;
+ private Reader reader;
+
+ /*
+ * TODO: Please read the comments about this in setInput(), but this needs
+ * to be done away with.
+ */
+ private boolean isUnitTestInput;
+
+ /**
+ * Last character searched for with a vi character search
+ */
+ private char charSearchChar = 0; // Character to search for
+ private char charSearchLastInvokeChar = 0; // Most recent invocation key
+ private char charSearchFirstInvokeChar = 0;// First character that invoked
+
+ /**
+ * The vi yank buffer
+ */
+ private String yankBuffer = "";
+
+ private KillRing killRing = new KillRing();
+
+ private String encoding;
+
+ private boolean recording;
+
+ private String macro = "";
+
+ private String appName;
+
+ private URL inputrcUrl;
+
+ private ConsoleKeys consoleKeys;
+
+ private String commentBegin = null;
+
+ private boolean skipLF = false;
+
+ /**
+ * Set to true if the reader should attempt to detect copy-n-paste. The
+ * effect of this that an attempt is made to detect if tab is quickly
+ * followed by another character, then it is assumed that the tab was
+ * a literal tab as part of a copy-and-paste operation and is inserted as
+ * such.
+ */
+ private boolean copyPasteDetection = false;
+
+ /*
+ * Current internal state of the line reader
+ */
+ private State state = State.NORMAL;
+
+ /**
+ * Possible states in which the current readline operation may be in.
+ */
+ private static enum State {
+ /**
+ * The user is just typing away
+ */
+ NORMAL,
+ /**
+ * In the middle of a emacs seach
+ */
+ SEARCH,
+ FORWARD_SEARCH,
+ /**
+ * VI "yank-to" operation ("y" during move mode)
+ */
+ VI_YANK_TO,
+ /**
+ * VI "delete-to" operation ("d" during move mode)
+ */
+ VI_DELETE_TO,
+ /**
+ * VI "change-to" operation ("c" during move mode)
+ */
+ VI_CHANGE_TO
+ }
+
+ public ConsoleReader() throws IOException {
+ this(null, new FileInputStream(FileDescriptor.in), System.out, null);
+ }
+
+ public ConsoleReader(final InputStream in, final OutputStream out) throws IOException {
+ this(null, in, out, null);
+ }
+
+ public ConsoleReader(final InputStream in, final OutputStream out, final Terminal term) throws IOException {
+ this(null, in, out, term);
+ }
+
+ public ConsoleReader(final @Nullable String appName, final InputStream in, final OutputStream out, final @Nullable Terminal term) throws IOException {
+ this(appName, in, out, term, null);
+ }
+
+ public ConsoleReader(final @Nullable String appName, final InputStream in, final OutputStream out, final @Nullable Terminal term, final @Nullable String encoding)
+ throws IOException
+ {
+ this.appName = appName != null ? appName : "JLine";
+ this.encoding = encoding != null ? encoding : Configuration.getEncoding();
+ this.terminal = term != null ? term : TerminalFactory.get();
+ String outEncoding = terminal.getOutputEncoding() != null? terminal.getOutputEncoding() : this.encoding;
+ this.out = new OutputStreamWriter(terminal.wrapOutIfNeeded(out), outEncoding);
+ setInput( in );
+
+ this.inputrcUrl = getInputRc();
+
+ consoleKeys = new ConsoleKeys(this.appName, inputrcUrl);
+ }
+
+ private URL getInputRc() throws IOException {
+ String path = Configuration.getString(JLINE_INPUTRC);
+ if (path == null) {
+ File f = new File(Configuration.getUserHome(), INPUT_RC);
+ if (!f.exists()) {
+ f = new File(DEFAULT_INPUT_RC);
+ }
+ return f.toURI().toURL();
+ } else {
+ return Urls.create(path);
+ }
+ }
+
+ public KeyMap getKeys() {
+ return consoleKeys.getKeys();
+ }
+
+ void setInput(final InputStream in) throws IOException {
+ this.escapeTimeout = Configuration.getLong(JLINE_ESC_TIMEOUT, 100);
+ /*
+ * This is gross and here is how to fix it. In getCurrentPosition()
+ * and getCurrentAnsiRow(), the logic is disabled when running unit
+ * tests and the fact that it is a unit test is determined by knowing
+ * if the original input stream was a ByteArrayInputStream. So, this
+ * is our test to do this. What SHOULD happen is that the unit
+ * tests should pass in a terminal that is appropriately configured
+ * such that whatever behavior they expect to happen (or not happen)
+ * happens (or doesn't).
+ *
+ * So, TODO, get rid of this and fix the unit tests.
+ */
+ this.isUnitTestInput = in instanceof ByteArrayInputStream;
+ boolean nonBlockingEnabled =
+ escapeTimeout > 0L
+ && terminal.isSupported()
+ && in != null;
+
+ /*
+ * If we had a non-blocking thread already going, then shut it down
+ * and start a new one.
+ */
+ if (this.in != null) {
+ this.in.shutdown();
+ }
+
+ final InputStream wrapped = terminal.wrapInIfNeeded( in );
+
+ this.in = new NonBlockingInputStream(wrapped, nonBlockingEnabled);
+ this.reader = new InputStreamReader( this.in, encoding );
+ }
+
+ /**
+ * Shuts the console reader down. This method should be called when you
+ * have completed using the reader as it shuts down and cleans up resources
+ * that would otherwise be "leaked".
+ */
+ public void shutdown() {
+ if (in != null) {
+ in.shutdown();
+ }
+ }
+
+ /**
+ * Shuts down the ConsoleReader if the JVM attempts to clean it up.
+ */
+ @Override
+ protected void finalize() throws Throwable {
+ try {
+ shutdown();
+ }
+ finally {
+ super.finalize();
+ }
+ }
+
+ public InputStream getInput() {
+ return in;
+ }
+
+ public Writer getOutput() {
+ return out;
+ }
+
+ public Terminal getTerminal() {
+ return terminal;
+ }
+
+ public CursorBuffer getCursorBuffer() {
+ return buf;
+ }
+
+ public void setExpandEvents(final boolean expand) {
+ this.expandEvents = expand;
+ }
+
+ public boolean getExpandEvents() {
+ return expandEvents;
+ }
+
+ /**
+ * Enables or disables copy and paste detection. The effect of enabling this
+ * this setting is that when a tab is received immediately followed by another
+ * character, the tab will not be treated as a completion, but as a tab literal.
+ * @param onoff true if detection is enabled
+ */
+ public void setCopyPasteDetection(final boolean onoff) {
+ copyPasteDetection = onoff;
+ }
+
+ /**
+ * @return true if copy and paste detection is enabled.
+ */
+ public boolean isCopyPasteDetectionEnabled() {
+ return copyPasteDetection;
+ }
+
+ /**
+ * Set whether the console bell is enabled.
+ *
+ * @param enabled true if enabled; false otherwise
+ * @since 2.7
+ */
+ public void setBellEnabled(boolean enabled) {
+ this.bellEnabled = enabled;
+ }
+
+ /**
+ * Get whether the console bell is enabled
+ *
+ * @return true if enabled; false otherwise
+ * @since 2.7
+ */
+ public boolean getBellEnabled() {
+ return bellEnabled;
+ }
+
+ /**
+ * Set whether user interrupts (ctrl-C) are handled by having JLine
+ * throw {@link UserInterruptException} from {@link #readLine}.
+ * Otherwise, the JVM will handle {@code SIGINT} as normal, which
+ * usually causes it to exit. The default is {@code false}.
+ *
+ * @since 2.10
+ */
+ public void setHandleUserInterrupt(boolean enabled)
+ {
+ this.handleUserInterrupt = enabled;
+ }
+
+ /**
+ * Get whether user interrupt handling is enabled
+ *
+ * @return true if enabled; false otherwise
+ * @since 2.10
+ */
+ public boolean getHandleUserInterrupt()
+ {
+ return handleUserInterrupt;
+ }
+
+ /**
+ * Sets the string that will be used to start a comment when the
+ * insert-comment key is struck.
+ * @param commentBegin The begin comment string.
+ * @since 2.7
+ */
+ public void setCommentBegin(String commentBegin) {
+ this.commentBegin = commentBegin;
+ }
+
+ /**
+ * @return the string that will be used to start a comment when the
+ * insert-comment key is struck.
+ * @since 2.7
+ */
+ public String getCommentBegin() {
+ String str = commentBegin;
+
+ if (str == null) {
+ str = consoleKeys.getVariable("comment-begin");
+ if (str == null) {
+ str = "#";
+ }
+ }
+ return str;
+ }
+
+ public void setPrompt(final String prompt) {
+ this.prompt = prompt;
+ this.promptLen = ((prompt == null) ? 0 : stripAnsi(lastLine(prompt)).length());
+ }
+
+ public String getPrompt() {
+ return prompt;
+ }
+
+ /**
+ * Set the echo character. For example, to have "*" entered when a password is typed:
+ *
+ *
+ * myConsoleReader.setEchoCharacter(new Character('*'));
+ *
+ *
+ * Setting the character to
+ *
+ *
+ * null
+ *
+ *
+ * will restore normal character echoing. Setting the character to
+ *
+ *
+ * new Character(0)
+ *
+ *
+ * will cause nothing to be echoed.
+ *
+ * @param c the character to echo to the console in place of the typed character.
+ */
+ public void setEchoCharacter(final Character c) {
+ this.echoCharacter = c;
+ }
+
+ /**
+ * Returns the echo character.
+ */
+ public Character getEchoCharacter() {
+ return echoCharacter;
+ }
+
+ /**
+ * Erase the current line.
+ *
+ * @return false if we failed (e.g., the buffer was empty)
+ */
+ protected final boolean resetLine() throws IOException {
+ if (buf.cursor == 0) {
+ return false;
+ }
+
+ StringBuilder killed = new StringBuilder();
+
+ while (buf.cursor > 0) {
+ char c = buf.current();
+ if (c == 0) {
+ break;
+ }
+
+ killed.append(c);
+ backspace();
+ }
+
+ String copy = killed.reverse().toString();
+ killRing.addBackwards(copy);
+
+ return true;
+ }
+
+ int getCursorPosition() {
+ // FIXME: does not handle anything but a line with a prompt absolute position
+ return promptLen + buf.cursor;
+ }
+
+ /**
+ * Returns the text after the last '\n'.
+ * prompt is returned if no '\n' characters are present.
+ * null is returned if prompt is null.
+ */
+ private String lastLine(String str) {
+ if (str == null) return "";
+ int last = str.lastIndexOf("\n");
+
+ if (last >= 0) {
+ return str.substring(last + 1, str.length());
+ }
+
+ return str;
+ }
+
+ private String stripAnsi(String str) {
+ if (str == null) return "";
+ try {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ AnsiOutputStream aos = new AnsiOutputStream(baos);
+ aos.write(str.getBytes());
+ aos.flush();
+ return baos.toString();
+ } catch (IOException e) {
+ return str;
+ }
+ }
+
+ /**
+ * Move the cursor position to the specified absolute index.
+ */
+ public final boolean setCursorPosition(final int position) throws IOException {
+ if (position == buf.cursor) {
+ return true;
+ }
+
+ return moveCursor(position - buf.cursor) != 0;
+ }
+
+ /**
+ * Set the current buffer's content to the specified {@link String}. The
+ * visual console will be modified to show the current buffer.
+ *
+ * @param buffer the new contents of the buffer.
+ */
+ private void setBuffer(final String buffer) throws IOException {
+ // don't bother modifying it if it is unchanged
+ if (buffer.equals(buf.buffer.toString())) {
+ return;
+ }
+
+ // obtain the difference between the current buffer and the new one
+ int sameIndex = 0;
+
+ for (int i = 0, l1 = buffer.length(), l2 = buf.buffer.length(); (i < l1)
+ && (i < l2); i++) {
+ if (buffer.charAt(i) == buf.buffer.charAt(i)) {
+ sameIndex++;
+ }
+ else {
+ break;
+ }
+ }
+
+ int diff = buf.cursor - sameIndex;
+ if (diff < 0) { // we can't backspace here so try from the end of the buffer
+ moveToEnd();
+ diff = buf.buffer.length() - sameIndex;
+ }
+
+ backspace(diff); // go back for the differences
+ killLine(); // clear to the end of the line
+ buf.buffer.setLength(sameIndex); // the new length
+ putString(buffer.substring(sameIndex)); // append the differences
+ }
+
+ private void setBuffer(final CharSequence buffer) throws IOException {
+ setBuffer(String.valueOf(buffer));
+ }
+
+ private void setBufferKeepPos(final String buffer) throws IOException {
+ int pos = buf.cursor;
+ setBuffer(buffer);
+ setCursorPosition(pos);
+ }
+
+ private void setBufferKeepPos(final CharSequence buffer) throws IOException {
+ setBufferKeepPos(String.valueOf(buffer));
+ }
+
+ /**
+ * Output put the prompt + the current buffer
+ */
+ public final void drawLine() throws IOException {
+ String prompt = getPrompt();
+ if (prompt != null) {
+ print(prompt);
+ }
+
+ print(buf.buffer.toString());
+
+ if (buf.length() != buf.cursor) { // not at end of line
+ back(buf.length() - buf.cursor - 1);
+ }
+ // force drawBuffer to check for weird wrap (after clear screen)
+ drawBuffer();
+ }
+
+ /**
+ * Clear the line and redraw it.
+ */
+ public final void redrawLine() throws IOException {
+ print(RESET_LINE);
+// flush();
+ drawLine();
+ }
+
+ /**
+ * Clear the buffer and add its contents to the history.
+ *
+ * @return the former contents of the buffer.
+ */
+ final String finishBuffer() throws IOException { // FIXME: Package protected because used by tests
+ String str = buf.buffer.toString();
+ String historyLine = str;
+
+ if (expandEvents) {
+ try {
+ str = expandEvents(str);
+ // all post-expansion occurrences of '!' must have been escaped, so re-add escape to each
+ historyLine = str.replace("!", "\\!");
+ // only leading '^' results in expansion, so only re-add escape for that case
+ historyLine = historyLine.replaceAll("^\\^", "\\\\^");
+ } catch(IllegalArgumentException e) {
+ Log.error("Could not expand event", e);
+ beep();
+ buf.clear();
+ str = "";
+ }
+ }
+
+ // we only add it to the history if the buffer is not empty
+ // and if mask is null, since having a mask typically means
+ // the string was a password. We clear the mask after this call
+ if (str.length() > 0) {
+ if (mask == null && isHistoryEnabled()) {
+ history.add(historyLine);
+ }
+ else {
+ mask = null;
+ }
+ }
+
+ history.moveToEnd();
+
+ buf.buffer.setLength(0);
+ buf.cursor = 0;
+
+ return str;
+ }
+
+ /**
+ * Expand event designator such as !!, !#, !3, etc...
+ * See http://www.gnu.org/software/bash/manual/html_node/Event-Designators.html
+ */
+ protected String expandEvents(String str) throws IOException {
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < str.length(); i++) {
+ char c = str.charAt(i);
+ switch (c) {
+ case '\\':
+ // any '\!' should be considered an expansion escape, so skip expansion and strip the escape character
+ // a leading '\^' should be considered an expansion escape, so skip expansion and strip the escape character
+ // otherwise, add the escape
+ if (i + 1 < str.length()) {
+ char nextChar = str.charAt(i+1);
+ if (nextChar == '!' || (nextChar == '^' && i == 0)) {
+ c = nextChar;
+ i++;
+ }
+ }
+ sb.append(c);
+ break;
+ case '!':
+ if (i + 1 < str.length()) {
+ c = str.charAt(++i);
+ boolean neg = false;
+ String rep = null;
+ int i1, idx;
+ switch (c) {
+ case '!':
+ if (history.size() == 0) {
+ throw new IllegalArgumentException("!!: event not found");
+ }
+ rep = history.get(history.index() - 1).toString();
+ break;
+ case '#':
+ sb.append(sb.toString());
+ break;
+ case '?':
+ i1 = str.indexOf('?', i + 1);
+ if (i1 < 0) {
+ i1 = str.length();
+ }
+ String sc = str.substring(i + 1, i1);
+ i = i1;
+ idx = searchBackwards(sc);
+ if (idx < 0) {
+ throw new IllegalArgumentException("!?" + sc + ": event not found");
+ } else {
+ rep = history.get(idx).toString();
+ }
+ break;
+ case '$':
+ if (history.size() == 0) {
+ throw new IllegalArgumentException("!$: event not found");
+ }
+ String previous = history.get(history.index() - 1).toString().trim();
+ int lastSpace = previous.lastIndexOf(' ');
+ if(lastSpace != -1) {
+ rep = previous.substring(lastSpace+1);
+ } else {
+ rep = previous;
+ }
+ break;
+ case ' ':
+ case '\t':
+ sb.append('!');
+ sb.append(c);
+ break;
+ case '-':
+ neg = true;
+ i++;
+ // fall through
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ i1 = i;
+ for (; i < str.length(); i++) {
+ c = str.charAt(i);
+ if (c < '0' || c > '9') {
+ break;
+ }
+ }
+ idx = 0;
+ try {
+ idx = Integer.parseInt(str.substring(i1, i));
+ } catch (NumberFormatException e) {
+ throw new IllegalArgumentException((neg ? "!-" : "!") + str.substring(i1, i) + ": event not found");
+ }
+ if (neg) {
+ if (idx > 0 && idx <= history.size()) {
+ rep = (history.get(history.index() - idx)).toString();
+ } else {
+ throw new IllegalArgumentException((neg ? "!-" : "!") + str.substring(i1, i) + ": event not found");
+ }
+ } else {
+ if (idx > history.index() - history.size() && idx <= history.index()) {
+ rep = (history.get(idx - 1)).toString();
+ } else {
+ throw new IllegalArgumentException((neg ? "!-" : "!") + str.substring(i1, i) + ": event not found");
+ }
+ }
+ break;
+ default:
+ String ss = str.substring(i);
+ i = str.length();
+ idx = searchBackwards(ss, history.index(), true);
+ if (idx < 0) {
+ throw new IllegalArgumentException("!" + ss + ": event not found");
+ } else {
+ rep = history.get(idx).toString();
+ }
+ break;
+ }
+ if (rep != null) {
+ sb.append(rep);
+ }
+ } else {
+ sb.append(c);
+ }
+ break;
+ case '^':
+ if (i == 0) {
+ int i1 = str.indexOf('^', i + 1);
+ int i2 = str.indexOf('^', i1 + 1);
+ if (i2 < 0) {
+ i2 = str.length();
+ }
+ if (i1 > 0 && i2 > 0) {
+ String s1 = str.substring(i + 1, i1);
+ String s2 = str.substring(i1 + 1, i2);
+ String s = history.get(history.index() - 1).toString().replace(s1, s2);
+ sb.append(s);
+ i = i2 + 1;
+ break;
+ }
+ }
+ sb.append(c);
+ break;
+ default:
+ sb.append(c);
+ break;
+ }
+ }
+ String result = sb.toString();
+ if (!str.equals(result)) {
+ print(result);
+ println();
+ flush();
+ }
+ return result;
+
+ }
+
+ /**
+ * Write out the specified string to the buffer and the output stream.
+ */
+ public final void putString(final CharSequence str) throws IOException {
+ buf.write(str);
+ if (mask == null) {
+ // no masking
+ print(str);
+ } else if (mask == NULL_MASK) {
+ // don't print anything
+ } else {
+ print(mask, str.length());
+ }
+ drawBuffer();
+ }
+
+ /**
+ * Redraw the rest of the buffer from the cursor onwards. This is necessary
+ * for inserting text into the buffer.
+ *
+ * @param clear the number of characters to clear after the end of the buffer
+ */
+ private void drawBuffer(final int clear) throws IOException {
+ // debug ("drawBuffer: " + clear);
+ if (buf.cursor == buf.length() && clear == 0) {
+ } else {
+ char[] chars = buf.buffer.substring(buf.cursor).toCharArray();
+ if (mask != null) {
+ Arrays.fill(chars, mask);
+ }
+ if (terminal.hasWeirdWrap()) {
+ // need to determine if wrapping will occur:
+ int width = terminal.getWidth();
+ int pos = getCursorPosition();
+ for (int i = 0; i < chars.length; i++) {
+ print(chars[i]);
+ if ((pos + i + 1) % width == 0) {
+ print(32); // move cursor to next line by printing dummy space
+ print(13); // CR / not newline.
+ }
+ }
+ } else {
+ print(chars);
+ }
+ clearAhead(clear, chars.length);
+ if (terminal.isAnsiSupported()) {
+ if (chars.length > 0) {
+ back(chars.length);
+ }
+ } else {
+ back(chars.length);
+ }
+ }
+ if (terminal.hasWeirdWrap()) {
+ int width = terminal.getWidth();
+ // best guess on whether the cursor is in that weird location...
+ // Need to do this without calling ansi cursor location methods
+ // otherwise it breaks paste of wrapped lines in xterm.
+ if (getCursorPosition() > 0 && (getCursorPosition() % width == 0)
+ && buf.cursor == buf.length() && clear == 0) {
+ // the following workaround is reverse-engineered from looking
+ // at what bash sent to the terminal in the same situation
+ print(32); // move cursor to next line by printing dummy space
+ print(13); // CR / not newline.
+ }
+ }
+ }
+
+ /**
+ * Redraw the rest of the buffer from the cursor onwards. This is necessary
+ * for inserting text into the buffer.
+ */
+ private void drawBuffer() throws IOException {
+ drawBuffer(0);
+ }
+
+ /**
+ * Clear ahead the specified number of characters without moving the cursor.
+ *
+ * @param num the number of characters to clear
+ * @param delta the difference between the internal cursor and the screen
+ * cursor - if > 0, assume some stuff was printed and weird wrap has to be
+ * checked
+ */
+ private void clearAhead(final int num, int delta) throws IOException {
+ if (num == 0) {
+ return;
+ }
+
+ if (terminal.isAnsiSupported()) {
+ int width = terminal.getWidth();
+ int screenCursorCol = getCursorPosition() + delta;
+ // clear current line
+ printAnsiSequence("K");
+ // if cursor+num wraps, then we need to clear the line(s) below too
+ int curCol = screenCursorCol % width;
+ int endCol = (screenCursorCol + num - 1) % width;
+ int lines = num / width;
+ if (endCol < curCol) lines++;
+ for (int i = 0; i < lines; i++) {
+ printAnsiSequence("B");
+ printAnsiSequence("2K");
+ }
+ for (int i = 0; i < lines; i++) {
+ printAnsiSequence("A");
+ }
+ return;
+ }
+
+ // print blank extra characters
+ print(' ', num);
+
+ // we need to flush here so a "clever" console doesn't just ignore the redundancy
+ // of a space followed by a backspace.
+// flush();
+
+ // reset the visual cursor
+ back(num);
+
+// flush();
+ }
+
+ /**
+ * Move the visual cursor backwards without modifying the buffer cursor.
+ */
+ protected void back(final int num) throws IOException {
+ if (num == 0) return;
+ if (terminal.isAnsiSupported()) {
+ int width = getTerminal().getWidth();
+ int cursor = getCursorPosition();
+ int realCursor = cursor + num;
+ int realCol = realCursor % width;
+ int newCol = cursor % width;
+ int moveup = num / width;
+ int delta = realCol - newCol;
+ if (delta < 0) moveup++;
+ if (moveup > 0) {
+ printAnsiSequence(moveup + "A");
+ }
+ printAnsiSequence((1 + newCol) + "G");
+ return;
+ }
+ print(BACKSPACE, num);
+// flush();
+ }
+
+ /**
+ * Flush the console output stream. This is important for printout out single characters (like a backspace or
+ * keyboard) that we want the console to handle immediately.
+ */
+ public void flush() throws IOException {
+ out.flush();
+ }
+
+ private int backspaceAll() throws IOException {
+ return backspace(Integer.MAX_VALUE);
+ }
+
+ /**
+ * Issue num backspaces.
+ *
+ * @return the number of characters backed up
+ */
+ private int backspace(final int num) throws IOException {
+ if (buf.cursor == 0) {
+ return 0;
+ }
+
+ int count = 0;
+
+ int termwidth = getTerminal().getWidth();
+ int lines = getCursorPosition() / termwidth;
+ count = moveCursor(-1 * num) * -1;
+ buf.buffer.delete(buf.cursor, buf.cursor + count);
+ if (getCursorPosition() / termwidth != lines) {
+ if (terminal.isAnsiSupported()) {
+ // debug("doing backspace redraw: " + getCursorPosition() + " on " + termwidth + ": " + lines);
+ printAnsiSequence("K");
+ // if cursor+num wraps, then we need to clear the line(s) below too
+ // last char printed is one pos less than cursor so we subtract
+ // one
+/*
+ // TODO: fixme (does not work - test with reverse search with wrapping line and CTRL-E)
+ int endCol = (getCursorPosition() + num - 1) % termwidth;
+ int curCol = getCursorPosition() % termwidth;
+ if (endCol < curCol) lines++;
+ for (int i = 1; i < lines; i++) {
+ printAnsiSequence("B");
+ printAnsiSequence("2K");
+ }
+ for (int i = 1; i < lines; i++) {
+ printAnsiSequence("A");
+ }
+ return count;
+*/
+ }
+ }
+ drawBuffer(count);
+
+ return count;
+ }
+
+ /**
+ * Issue a backspace.
+ *
+ * @return true if successful
+ */
+ public boolean backspace() throws IOException {
+ return backspace(1) == 1;
+ }
+
+ protected boolean moveToEnd() throws IOException {
+ if (buf.cursor == buf.length()) {
+ return true;
+ }
+ return moveCursor(buf.length() - buf.cursor) > 0;
+ }
+
+ /**
+ * Delete the character at the current position and redraw the remainder of the buffer.
+ */
+ private boolean deleteCurrentCharacter() throws IOException {
+ if (buf.length() == 0 || buf.cursor == buf.length()) {
+ return false;
+ }
+
+ buf.buffer.deleteCharAt(buf.cursor);
+ drawBuffer(1);
+ return true;
+ }
+
+ /**
+ * This method is calling while doing a delete-to ("d"), change-to ("c"),
+ * or yank-to ("y") and it filters out only those movement operations
+ * that are allowable during those operations. Any operation that isn't
+ * allow drops you back into movement mode.
+ *
+ * @param op The incoming operation to remap
+ * @return The remaped operation
+ */
+ private Operation viDeleteChangeYankToRemap (Operation op) {
+ switch (op) {
+ case VI_EOF_MAYBE:
+ case ABORT:
+ case BACKWARD_CHAR:
+ case FORWARD_CHAR:
+ case END_OF_LINE:
+ case VI_MATCH:
+ case VI_BEGNNING_OF_LINE_OR_ARG_DIGIT:
+ case VI_ARG_DIGIT:
+ case VI_PREV_WORD:
+ case VI_END_WORD:
+ case VI_CHAR_SEARCH:
+ case VI_NEXT_WORD:
+ case VI_FIRST_PRINT:
+ case VI_GOTO_MARK:
+ case VI_COLUMN:
+ case VI_DELETE_TO:
+ case VI_YANK_TO:
+ case VI_CHANGE_TO:
+ return op;
+
+ default:
+ return Operation.VI_MOVEMENT_MODE;
+ }
+ }
+
+ /**
+ * Deletes the previous character from the cursor position
+ * @param count number of times to do it.
+ * @return true if it was done.
+ * @throws IOException
+ */
+ private boolean viRubout(int count) throws IOException {
+ boolean ok = true;
+ for (int i = 0; ok && i < count; i++) {
+ ok = backspace();
+ }
+ return ok;
+ }
+
+ /**
+ * Deletes the character you are sitting on and sucks the rest of
+ * the line in from the right.
+ * @param count Number of times to perform the operation.
+ * @return true if its works, false if it didn't
+ * @throws IOException
+ */
+ private boolean viDelete(int count) throws IOException {
+ boolean ok = true;
+ for (int i = 0; ok && i < count; i++) {
+ ok = deleteCurrentCharacter();
+ }
+ return ok;
+ }
+
+ /**
+ * Switches the case of the current character from upper to lower
+ * or lower to upper as necessary and advances the cursor one
+ * position to the right.
+ * @param count The number of times to repeat
+ * @return true if it completed successfully, false if not all
+ * case changes could be completed.
+ * @throws IOException
+ */
+ private boolean viChangeCase(int count) throws IOException {
+ boolean ok = true;
+ for (int i = 0; ok && i < count; i++) {
+
+ ok = buf.cursor < buf.buffer.length ();
+ if (ok) {
+ char ch = buf.buffer.charAt(buf.cursor);
+ if (Character.isUpperCase(ch)) {
+ ch = Character.toLowerCase(ch);
+ }
+ else if (Character.isLowerCase(ch)) {
+ ch = Character.toUpperCase(ch);
+ }
+ buf.buffer.setCharAt(buf.cursor, ch);
+ drawBuffer(1);
+ moveCursor(1);
+ }
+ }
+ return ok;
+ }
+
+ /**
+ * Implements the vi change character command (in move-mode "r"
+ * followed by the character to change to).
+ * @param count Number of times to perform the action
+ * @param c The character to change to
+ * @return Whether or not there were problems encountered
+ * @throws IOException
+ */
+ private boolean viChangeChar(int count, int c) throws IOException {
+ // EOF, ESC, or CTRL-C aborts.
+ if (c < 0 || c == '\033' || c == '\003') {
+ return true;
+ }
+
+ boolean ok = true;
+ for (int i = 0; ok && i < count; i++) {
+ ok = buf.cursor < buf.buffer.length ();
+ if (ok) {
+ buf.buffer.setCharAt(buf.cursor, (char) c);
+ drawBuffer(1);
+ if (i < (count-1)) {
+ moveCursor(1);
+ }
+ }
+ }
+ return ok;
+ }
+
+ /**
+ * This is a close facsimile of the actual vi previous word logic. In
+ * actual vi words are determined by boundaries of identity characterse.
+ * This logic is a bit more simple and simply looks at white space or
+ * digits or characters. It should be revised at some point.
+ *
+ * @param count number of iterations
+ * @return true if the move was successful, false otherwise
+ * @throws IOException
+ */
+ private boolean viPreviousWord(int count) throws IOException {
+ boolean ok = true;
+ if (buf.cursor == 0) {
+ return false;
+ }
+
+ int pos = buf.cursor - 1;
+ for (int i = 0; pos > 0 && i < count; i++) {
+ // If we are on white space, then move back.
+ while (pos > 0 && isWhitespace(buf.buffer.charAt(pos))) {
+ --pos;
+ }
+
+ while (pos > 0 && !isDelimiter(buf.buffer.charAt(pos-1))) {
+ --pos;
+ }
+
+ if (pos > 0 && i < (count-1)) {
+ --pos;
+ }
+ }
+ setCursorPosition(pos);
+ return ok;
+ }
+
+ /**
+ * Performs the vi "delete-to" action, deleting characters between a given
+ * span of the input line.
+ * @param startPos The start position
+ * @param endPos The end position.
+ * @param isChange If true, then the delete is part of a change operationg
+ * (e.g. "c$" is change-to-end-of line, so we first must delete to end
+ * of line to start the change
+ * @return true if it succeeded, false otherwise
+ * @throws IOException
+ */
+ private boolean viDeleteTo(int startPos, int endPos, boolean isChange) throws IOException {
+ if (startPos == endPos) {
+ return true;
+ }
+
+ if (endPos < startPos) {
+ int tmp = endPos;
+ endPos = startPos;
+ startPos = tmp;
+ }
+
+ setCursorPosition(startPos);
+ buf.cursor = startPos;
+ buf.buffer.delete(startPos, endPos);
+ drawBuffer(endPos - startPos);
+
+ // If we are doing a delete operation (e.g. "d$") then don't leave the
+ // cursor dangling off the end. In reality the "isChange" flag is silly
+ // what is really happening is that if we are in "move-mode" then the
+ // cursor can't be moved off the end of the line, but in "edit-mode" it
+ // is ok, but I have no easy way of knowing which mode we are in.
+ if (! isChange && startPos > 0 && startPos == buf.length()) {
+ moveCursor(-1);
+ }
+ return true;
+ }
+
+ /**
+ * Implement the "vi" yank-to operation. This operation allows you
+ * to yank the contents of the current line based upon a move operation,
+ * for exaple "yw" yanks the current word, "3yw" yanks 3 words, etc.
+ *
+ * @param startPos The starting position from which to yank
+ * @param endPos The ending position to which to yank
+ * @return true if the yank succeeded
+ * @throws IOException
+ */
+ private boolean viYankTo(int startPos, int endPos) throws IOException {
+ int cursorPos = startPos;
+
+ if (endPos < startPos) {
+ int tmp = endPos;
+ endPos = startPos;
+ startPos = tmp;
+ }
+
+ if (startPos == endPos) {
+ yankBuffer = "";
+ return true;
+ }
+
+ yankBuffer = buf.buffer.substring(startPos, endPos);
+
+ /*
+ * It was a movement command that moved the cursor to find the
+ * end position, so put the cursor back where it started.
+ */
+ setCursorPosition(cursorPos);
+ return true;
+ }
+
+ /**
+ * Pasts the yank buffer to the right of the current cursor position
+ * and moves the cursor to the end of the pasted region.
+ *
+ * @param count Number of times to perform the operation.
+ * @return true if it worked, false otherwise
+ * @throws IOException
+ */
+ private boolean viPut(int count) throws IOException {
+ if (yankBuffer.length () == 0) {
+ return true;
+ }
+ if (buf.cursor < buf.buffer.length ()) {
+ moveCursor(1);
+ }
+ for (int i = 0; i < count; i++) {
+ putString(yankBuffer);
+ }
+ moveCursor(-1);
+ return true;
+ }
+
+ /**
+ * Searches forward of the current position for a character and moves
+ * the cursor onto it.
+ * @param count Number of times to repeat the process.
+ * @param ch The character to search for
+ * @return true if the char was found, false otherwise
+ * @throws IOException
+ */
+ private boolean viCharSearch(int count, int invokeChar, int ch) throws IOException {
+ if (ch < 0 || invokeChar < 0) {
+ return false;
+ }
+
+ char searchChar = (char)ch;
+ boolean isForward;
+ boolean stopBefore;
+
+ /*
+ * The character stuff turns out to be hairy. Here is how it works:
+ * f - search forward for ch
+ * F - search backward for ch
+ * t - search forward for ch, but stop just before the match
+ * T - search backward for ch, but stop just after the match
+ * ; - After [fFtT;], repeat the last search, after ',' reverse it
+ * , - After [fFtT;], reverse the last search, after ',' repeat it
+ */
+ if (invokeChar == ';' || invokeChar == ',') {
+ // No recent search done? Then bail
+ if (charSearchChar == 0) {
+ return false;
+ }
+
+ // Reverse direction if switching between ',' and ';'
+ if (charSearchLastInvokeChar == ';' || charSearchLastInvokeChar == ',') {
+ if (charSearchLastInvokeChar != invokeChar) {
+ charSearchFirstInvokeChar = switchCase(charSearchFirstInvokeChar);
+ }
+ }
+ else {
+ if (invokeChar == ',') {
+ charSearchFirstInvokeChar = switchCase(charSearchFirstInvokeChar);
+ }
+ }
+
+ searchChar = charSearchChar;
+ }
+ else {
+ charSearchChar = searchChar;
+ charSearchFirstInvokeChar = (char) invokeChar;
+ }
+
+ charSearchLastInvokeChar = (char)invokeChar;
+
+ isForward = Character.isLowerCase(charSearchFirstInvokeChar);
+ stopBefore = (Character.toLowerCase(charSearchFirstInvokeChar) == 't');
+
+ boolean ok = false;
+
+ if (isForward) {
+ while (count-- > 0) {
+ int pos = buf.cursor + 1;
+ while (pos < buf.buffer.length()) {
+ if (buf.buffer.charAt(pos) == (char) searchChar) {
+ setCursorPosition(pos);
+ ok = true;
+ break;
+ }
+ ++pos;
+ }
+ }
+
+ if (ok) {
+ if (stopBefore)
+ moveCursor(-1);
+
+ /*
+ * When in yank-to, move-to, del-to state we actually want to
+ * go to the character after the one we landed on to make sure
+ * that the character we ended up on is included in the
+ * operation
+ */
+ if (isInViMoveOperationState()) {
+ moveCursor(1);
+ }
+ }
+ }
+ else {
+ while (count-- > 0) {
+ int pos = buf.cursor - 1;
+ while (pos >= 0) {
+ if (buf.buffer.charAt(pos) == (char) searchChar) {
+ setCursorPosition(pos);
+ ok = true;
+ break;
+ }
+ --pos;
+ }
+ }
+
+ if (ok && stopBefore)
+ moveCursor(1);
+ }
+
+ return ok;
+ }
+
+ private char switchCase(char ch) {
+ if (Character.isUpperCase(ch)) {
+ return Character.toLowerCase(ch);
+ }
+ return Character.toUpperCase(ch);
+ }
+
+ /**
+ * @return true if line reader is in the middle of doing a change-to
+ * delete-to or yank-to.
+ */
+ private final boolean isInViMoveOperationState() {
+ return state == State.VI_CHANGE_TO
+ || state == State.VI_DELETE_TO
+ || state == State.VI_YANK_TO;
+ }
+
+ /**
+ * This is a close facsimile of the actual vi next word logic.
+ * As with viPreviousWord() this probably needs to be improved
+ * at some point.
+ *
+ * @param count number of iterations
+ * @return true if the move was successful, false otherwise
+ * @throws IOException
+ */
+ private boolean viNextWord(int count) throws IOException {
+ int pos = buf.cursor;
+ int end = buf.buffer.length();
+
+ for (int i = 0; pos < end && i < count; i++) {
+ // Skip over letter/digits
+ while (pos < end && !isDelimiter(buf.buffer.charAt(pos))) {
+ ++pos;
+ }
+
+ /*
+ * Don't you love special cases? During delete-to and yank-to
+ * operations the word movement is normal. However, during a
+ * change-to, the trailing spaces behind the last word are
+ * left in tact.
+ */
+ if (i < (count-1) || !(state == State.VI_CHANGE_TO)) {
+ while (pos < end && isDelimiter(buf.buffer.charAt(pos))) {
+ ++pos;
+ }
+ }
+ }
+
+ setCursorPosition(pos);
+ return true;
+ }
+
+ /**
+ * Implements a close facsimile of the vi end-of-word movement.
+ * If the character is on white space, it takes you to the end
+ * of the next word. If it is on the last character of a word
+ * it takes you to the next of the next word. Any other character
+ * of a word, takes you to the end of the current word.
+ *
+ * @param count Number of times to repeat the action
+ * @return true if it worked.
+ * @throws IOException
+ */
+ private boolean viEndWord(int count) throws IOException {
+ int pos = buf.cursor;
+ int end = buf.buffer.length();
+
+ for (int i = 0; pos < end && i < count; i++) {
+ if (pos < (end-1)
+ && !isDelimiter(buf.buffer.charAt(pos))
+ && isDelimiter(buf.buffer.charAt (pos+1))) {
+ ++pos;
+ }
+
+ // If we are on white space, then move back.
+ while (pos < end && isDelimiter(buf.buffer.charAt(pos))) {
+ ++pos;
+ }
+
+ while (pos < (end-1) && !isDelimiter(buf.buffer.charAt(pos+1))) {
+ ++pos;
+ }
+ }
+ setCursorPosition(pos);
+ return true;
+ }
+
+ private boolean previousWord() throws IOException {
+ while (isDelimiter(buf.current()) && (moveCursor(-1) != 0)) {
+ // nothing
+ }
+
+ while (!isDelimiter(buf.current()) && (moveCursor(-1) != 0)) {
+ // nothing
+ }
+
+ return true;
+ }
+
+ private boolean nextWord() throws IOException {
+ while (isDelimiter(buf.nextChar()) && (moveCursor(1) != 0)) {
+ // nothing
+ }
+
+ while (!isDelimiter(buf.nextChar()) && (moveCursor(1) != 0)) {
+ // nothing
+ }
+
+ return true;
+ }
+
+ /**
+ * Deletes to the beginning of the word that the cursor is sitting on.
+ * If the cursor is on white-space, it deletes that and to the beginning
+ * of the word before it. If the user is not on a word or whitespace
+ * it deletes up to the end of the previous word.
+ *
+ * @param count Number of times to perform the operation
+ * @return true if it worked, false if you tried to delete too many words
+ * @throws IOException
+ */
+ private boolean unixWordRubout(int count) throws IOException {
+ boolean success = true;
+ StringBuilder killed = new StringBuilder();
+
+ for (; count > 0; --count) {
+ if (buf.cursor == 0) {
+ success = false;
+ break;
+ }
+
+ while (isWhitespace(buf.current())) {
+ char c = buf.current();
+ if (c == 0) {
+ break;
+ }
+
+ killed.append(c);
+ backspace();
+ }
+
+ while (!isWhitespace(buf.current())) {
+ char c = buf.current();
+ if (c == 0) {
+ break;
+ }
+
+ killed.append(c);
+ backspace();
+ }
+ }
+
+ String copy = killed.reverse().toString();
+ killRing.addBackwards(copy);
+
+ return success;
+ }
+
+ private String insertComment(boolean isViMode) throws IOException {
+ String comment = this.getCommentBegin ();
+ setCursorPosition(0);
+ putString(comment);
+ if (isViMode) {
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ }
+ return accept();
+ }
+
+ /**
+ * Similar to putString() but allows the string to be repeated a specific
+ * number of times, allowing easy support of vi digit arguments to a given
+ * command. The string is placed as the current cursor position.
+ *
+ * @param count The count of times to insert the string.
+ * @param str The string to insert
+ * @return true if the operation is a success, false otherwise
+ * @throws IOException
+ */
+ private boolean insert(int count, final CharSequence str) throws IOException {
+ for (int i = 0; i < count; i++) {
+ buf.write(str);
+ if (mask == null) {
+ // no masking
+ print(str);
+ } else if (mask == NULL_MASK) {
+ // don't print anything
+ } else {
+ print(mask, str.length());
+ }
+ }
+ drawBuffer();
+ return true;
+ }
+
+ /**
+ * Implements vi search ("/" or "?").
+ * @throws IOException
+ */
+ private int viSearch(char searchChar) throws IOException {
+ boolean isForward = (searchChar == '/');
+
+ /*
+ * This is a little gross, I'm sure there is a more appropriate way
+ * of saving and restoring state.
+ */
+ CursorBuffer origBuffer = buf.copy();
+
+ // Clear the contents of the current line and
+ setCursorPosition (0);
+ killLine();
+
+ // Our new "prompt" is the character that got us into search mode.
+ putString(Character.toString(searchChar));
+ flush();
+
+ boolean isAborted = false;
+ boolean isComplete = false;
+
+ /*
+ * Readline doesn't seem to do any special character map handling
+ * here, so I think we are safe.
+ */
+ int ch = -1;
+ while (!isAborted && !isComplete && (ch = readCharacter()) != -1) {
+ switch (ch) {
+ case '\033': // ESC
+ /*
+ * The ESC behavior doesn't appear to be readline behavior,
+ * but it is a little tweak of my own. I like it.
+ */
+ isAborted = true;
+ break;
+ case '\010': // Backspace
+ case '\177': // Delete
+ backspace();
+ /*
+ * Backspacing through the "prompt" aborts the search.
+ */
+ if (buf.cursor == 0) {
+ isAborted = true;
+ }
+ break;
+ case '\012': // NL
+ case '\015': // CR
+ isComplete = true;
+ break;
+ default:
+ putString(Character.toString((char) ch));
+ }
+
+ flush();
+ }
+
+ // If we aborted, then put ourself at the end of the original buffer.
+ if (ch == -1 || isAborted) {
+ setCursorPosition(0);
+ killLine();
+ putString(origBuffer.buffer);
+ setCursorPosition(origBuffer.cursor);
+ return -1;
+ }
+
+ /*
+ * The first character of the buffer was the search character itself
+ * so we discard it.
+ */
+ String searchTerm = buf.buffer.substring(1);
+ int idx = -1;
+
+ /*
+ * The semantics of the history thing is gross when you want to
+ * explicitly iterate over entries (without an iterator) as size()
+ * returns the actual number of entries in the list but get()
+ * doesn't work the way you think.
+ */
+ int end = history.index();
+ int start = (end <= history.size()) ? 0 : end - history.size();
+
+ if (isForward) {
+ for (int i = start; i < end; i++) {
+ if (history.get(i).toString().contains(searchTerm)) {
+ idx = i;
+ break;
+ }
+ }
+ }
+ else {
+ for (int i = end-1; i >= start; i--) {
+ if (history.get(i).toString().contains(searchTerm)) {
+ idx = i;
+ break;
+ }
+ }
+ }
+
+ /*
+ * No match? Then restore what we were working on, but make sure
+ * the cursor is at the beginning of the line.
+ */
+ if (idx == -1) {
+ setCursorPosition(0);
+ killLine();
+ putString(origBuffer.buffer);
+ setCursorPosition(0);
+ return -1;
+ }
+
+ /*
+ * Show the match.
+ */
+ setCursorPosition(0);
+ killLine();
+ putString(history.get(idx));
+ setCursorPosition(0);
+ flush();
+
+ /*
+ * While searching really only the "n" and "N" keys are interpreted
+ * as movement, any other key is treated as if you are editing the
+ * line with it, so we return it back up to the caller for interpretation.
+ */
+ isComplete = false;
+ while (!isComplete && (ch = readCharacter()) != -1) {
+ boolean forward = isForward;
+ switch (ch) {
+ case 'p': case 'P':
+ forward = !isForward;
+ // Fallthru
+ case 'n': case 'N':
+ boolean isMatch = false;
+ if (forward) {
+ for (int i = idx+1; !isMatch && i < end; i++) {
+ if (history.get(i).toString().contains(searchTerm)) {
+ idx = i;
+ isMatch = true;
+ }
+ }
+ }
+ else {
+ for (int i = idx - 1; !isMatch && i >= start; i--) {
+ if (history.get(i).toString().contains(searchTerm)) {
+ idx = i;
+ isMatch = true;
+ }
+ }
+ }
+ if (isMatch) {
+ setCursorPosition(0);
+ killLine();
+ putString(history.get(idx));
+ setCursorPosition(0);
+ }
+ break;
+ default:
+ isComplete = true;
+ }
+ flush();
+ }
+
+ /*
+ * Complete?
+ */
+ return ch;
+ }
+
+ public void setParenBlinkTimeout(int timeout) {
+ parenBlinkTimeout = timeout;
+ }
+
+ private void insertClose(String s) throws IOException {
+ putString(s);
+ int closePosition = buf.cursor;
+
+ moveCursor(-1);
+ viMatch();
+
+
+ if (in.isNonBlockingEnabled()) {
+ in.peek(parenBlinkTimeout);
+ }
+
+ setCursorPosition(closePosition);
+ }
+
+ /**
+ * Implements vi style bracket matching ("%" command). The matching
+ * bracket for the current bracket type that you are sitting on is matched.
+ * The logic works like so:
+ * @return true if it worked, false if the cursor was not on a bracket
+ * character or if there was no matching bracket.
+ * @throws IOException
+ */
+ private boolean viMatch() throws IOException {
+ int pos = buf.cursor;
+
+ if (pos == buf.length()) {
+ return false;
+ }
+
+ int type = getBracketType(buf.buffer.charAt (pos));
+ int move = (type < 0) ? -1 : 1;
+ int count = 1;
+
+ if (type == 0)
+ return false;
+
+ while (count > 0) {
+ pos += move;
+
+ // Fell off the start or end.
+ if (pos < 0 || pos >= buf.buffer.length ()) {
+ return false;
+ }
+
+ int curType = getBracketType(buf.buffer.charAt (pos));
+ if (curType == type) {
+ ++count;
+ }
+ else if (curType == -type) {
+ --count;
+ }
+ }
+
+ /*
+ * Slight adjustment for delete-to, yank-to, change-to to ensure
+ * that the matching paren is consumed
+ */
+ if (move > 0 && isInViMoveOperationState())
+ ++pos;
+
+ setCursorPosition(pos);
+ return true;
+ }
+
+ /**
+ * Given a character determines what type of bracket it is (paren,
+ * square, curly, or none).
+ * @param ch The character to check
+ * @return 1 is square, 2 curly, 3 parent, or zero for none. The value
+ * will be negated if it is the closing form of the bracket.
+ */
+ private int getBracketType (char ch) {
+ switch (ch) {
+ case '[': return 1;
+ case ']': return -1;
+ case '{': return 2;
+ case '}': return -2;
+ case '(': return 3;
+ case ')': return -3;
+ default:
+ return 0;
+ }
+ }
+
+ private boolean deletePreviousWord() throws IOException {
+ StringBuilder killed = new StringBuilder();
+ char c;
+
+ while (isDelimiter((c = buf.current()))) {
+ if (c == 0) {
+ break;
+ }
+
+ killed.append(c);
+ backspace();
+ }
+
+ while (!isDelimiter((c = buf.current()))) {
+ if (c == 0) {
+ break;
+ }
+
+ killed.append(c);
+ backspace();
+ }
+
+ String copy = killed.reverse().toString();
+ killRing.addBackwards(copy);
+ return true;
+ }
+
+ private boolean deleteNextWord() throws IOException {
+ StringBuilder killed = new StringBuilder();
+ char c;
+
+ while (isDelimiter((c = buf.nextChar()))) {
+ if (c == 0) {
+ break;
+ }
+ killed.append(c);
+ delete();
+ }
+
+ while (!isDelimiter((c = buf.nextChar()))) {
+ if (c == 0) {
+ break;
+ }
+ killed.append(c);
+ delete();
+ }
+
+ String copy = killed.toString();
+ killRing.add(copy);
+
+ return true;
+ }
+
+ private boolean capitalizeWord() throws IOException {
+ boolean first = true;
+ int i = 1;
+ char c;
+ while (buf.cursor + i - 1< buf.length() && !isDelimiter((c = buf.buffer.charAt(buf.cursor + i - 1)))) {
+ buf.buffer.setCharAt(buf.cursor + i - 1, first ? Character.toUpperCase(c) : Character.toLowerCase(c));
+ first = false;
+ i++;
+ }
+ drawBuffer();
+ moveCursor(i - 1);
+ return true;
+ }
+
+ private boolean upCaseWord() throws IOException {
+ int i = 1;
+ char c;
+ while (buf.cursor + i - 1 < buf.length() && !isDelimiter((c = buf.buffer.charAt(buf.cursor + i - 1)))) {
+ buf.buffer.setCharAt(buf.cursor + i - 1, Character.toUpperCase(c));
+ i++;
+ }
+ drawBuffer();
+ moveCursor(i - 1);
+ return true;
+ }
+
+ private boolean downCaseWord() throws IOException {
+ int i = 1;
+ char c;
+ while (buf.cursor + i - 1 < buf.length() && !isDelimiter((c = buf.buffer.charAt(buf.cursor + i - 1)))) {
+ buf.buffer.setCharAt(buf.cursor + i - 1, Character.toLowerCase(c));
+ i++;
+ }
+ drawBuffer();
+ moveCursor(i - 1);
+ return true;
+ }
+
+ /**
+ * Performs character transpose. The character prior to the cursor and the
+ * character under the cursor are swapped and the cursor is advanced one
+ * character unless you are already at the end of the line.
+ *
+ * @param count The number of times to perform the transpose
+ * @return true if the operation succeeded, false otherwise (e.g. transpose
+ * cannot happen at the beginning of the line).
+ * @throws IOException
+ */
+ private boolean transposeChars(int count) throws IOException {
+ for (; count > 0; --count) {
+ if (buf.cursor == 0 || buf.cursor == buf.buffer.length()) {
+ return false;
+ }
+
+ int first = buf.cursor-1;
+ int second = buf.cursor;
+
+ char tmp = buf.buffer.charAt (first);
+ buf.buffer.setCharAt(first, buf.buffer.charAt(second));
+ buf.buffer.setCharAt(second, tmp);
+
+ // This could be done more efficiently by only re-drawing at the end.
+ moveInternal(-1);
+ drawBuffer();
+ moveInternal(2);
+ }
+
+ return true;
+ }
+
+ public boolean isKeyMap(String name) {
+ // Current keymap.
+ KeyMap map = consoleKeys.getKeys();
+ KeyMap mapByName = consoleKeys.getKeyMaps().get(name);
+
+ if (mapByName == null)
+ return false;
+
+ /*
+ * This may not be safe to do, but there doesn't appear to be a
+ * clean way to find this information out.
+ */
+ return map == mapByName;
+ }
+
+
+ /**
+ * The equivalent of hitting <RET>. The line is considered
+ * complete and is returned.
+ *
+ * @return The completed line of text.
+ * @throws IOException
+ */
+ public String accept() throws IOException {
+ moveToEnd();
+ println(); // output newline
+ flush();
+ return finishBuffer();
+ }
+
+ private void abort() throws IOException {
+ beep();
+ buf.clear();
+ println();
+ redrawLine();
+ }
+
+ /**
+ * Move the cursor where characters.
+ *
+ * @param num If less than 0, move abs(where) to the left, otherwise move where to the right.
+ * @return The number of spaces we moved
+ */
+ public int moveCursor(final int num) throws IOException {
+ int where = num;
+
+ if ((buf.cursor == 0) && (where <= 0)) {
+ return 0;
+ }
+
+ if ((buf.cursor == buf.buffer.length()) && (where >= 0)) {
+ return 0;
+ }
+
+ if ((buf.cursor + where) < 0) {
+ where = -buf.cursor;
+ }
+ else if ((buf.cursor + where) > buf.buffer.length()) {
+ where = buf.buffer.length() - buf.cursor;
+ }
+
+ moveInternal(where);
+
+ return where;
+ }
+
+ /**
+ * Move the cursor where characters, without checking the current buffer.
+ *
+ * @param where the number of characters to move to the right or left.
+ */
+ private void moveInternal(final int where) throws IOException {
+ // debug ("move cursor " + where + " ("
+ // + buf.cursor + " => " + (buf.cursor + where) + ")");
+ buf.cursor += where;
+
+ if (terminal.isAnsiSupported()) {
+ if (where < 0) {
+ back(Math.abs(where));
+ } else {
+ int width = getTerminal().getWidth();
+ int cursor = getCursorPosition();
+ int oldLine = (cursor - where) / width;
+ int newLine = cursor / width;
+ if (newLine > oldLine) {
+ printAnsiSequence((newLine - oldLine) + "B");
+ }
+ printAnsiSequence(1 +(cursor % width) + "G");
+ }
+// flush();
+ return;
+ }
+
+ char c;
+
+ if (where < 0) {
+ int len = 0;
+ for (int i = buf.cursor; i < buf.cursor - where; i++) {
+ if (buf.buffer.charAt(i) == '\t') {
+ len += TAB_WIDTH;
+ }
+ else {
+ len++;
+ }
+ }
+
+ char chars[] = new char[len];
+ Arrays.fill(chars, BACKSPACE);
+ out.write(chars);
+
+ return;
+ }
+ else if (buf.cursor == 0) {
+ return;
+ }
+ else if (mask != null) {
+ c = mask;
+ }
+ else {
+ print(buf.buffer.substring(buf.cursor - where, buf.cursor).toCharArray());
+ return;
+ }
+
+ // null character mask: don't output anything
+ if (mask == NULL_MASK) {
+ return;
+ }
+
+ print(c, Math.abs(where));
+ }
+
+ // FIXME: replace() is not used
+
+ public final boolean replace(final int num, final String replacement) {
+ buf.buffer.replace(buf.cursor - num, buf.cursor, replacement);
+ try {
+ moveCursor(-num);
+ drawBuffer(Math.max(0, num - replacement.length()));
+ moveCursor(replacement.length());
+ }
+ catch (IOException e) {
+ e.printStackTrace();
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Read a character from the console.
+ *
+ * @return the character, or -1 if an EOF is received.
+ */
+ public final int readCharacter() throws IOException {
+ int c = reader.read();
+ if (c >= 0) {
+ Log.trace("Keystroke: ", c);
+ // clear any echo characters
+ if (terminal.isSupported()) {
+ clearEcho(c);
+ }
+ }
+ return c;
+ }
+
+ /**
+ * Clear the echoed characters for the specified character code.
+ */
+ private int clearEcho(final int c) throws IOException {
+ // if the terminal is not echoing, then ignore
+ if (!terminal.isEchoEnabled()) {
+ return 0;
+ }
+
+ // otherwise, clear
+ int num = countEchoCharacters(c);
+ back(num);
+ drawBuffer(num);
+
+ return num;
+ }
+
+ private int countEchoCharacters(final int c) {
+ // tabs as special: we need to determine the number of spaces
+ // to cancel based on what out current cursor position is
+ if (c == 9) {
+ int tabStop = 8; // will this ever be different?
+ int position = getCursorPosition();
+
+ return tabStop - (position % tabStop);
+ }
+
+ return getPrintableCharacters(c).length();
+ }
+
+ /**
+ * Return the number of characters that will be printed when the specified
+ * character is echoed to the screen
+ *
+ * Adapted from cat by Torbjorn Granlund, as repeated in stty by David MacKenzie.
+ */
+ private StringBuilder getPrintableCharacters(final int ch) {
+ StringBuilder sbuff = new StringBuilder();
+
+ if (ch >= 32) {
+ if (ch < 127) {
+ sbuff.append(ch);
+ }
+ else if (ch == 127) {
+ sbuff.append('^');
+ sbuff.append('?');
+ }
+ else {
+ sbuff.append('M');
+ sbuff.append('-');
+
+ if (ch >= (128 + 32)) {
+ if (ch < (128 + 127)) {
+ sbuff.append((char) (ch - 128));
+ }
+ else {
+ sbuff.append('^');
+ sbuff.append('?');
+ }
+ }
+ else {
+ sbuff.append('^');
+ sbuff.append((char) (ch - 128 + 64));
+ }
+ }
+ }
+ else {
+ sbuff.append('^');
+ sbuff.append((char) (ch + 64));
+ }
+
+ return sbuff;
+ }
+
+ public final int readCharacter(final char... allowed) throws IOException {
+ // if we restrict to a limited set and the current character is not in the set, then try again.
+ char c;
+
+ Arrays.sort(allowed); // always need to sort before binarySearch
+
+ while (Arrays.binarySearch(allowed, c = (char) readCharacter()) < 0) {
+ // nothing
+ }
+
+ return c;
+ }
+
+ //
+ // Key Bindings
+ //
+
+ public static final String JLINE_COMPLETION_THRESHOLD = "jline.completion.threshold";
+
+ //
+ // Line Reading
+ //
+
+ /**
+ * Read the next line and return the contents of the buffer.
+ */
+ public String readLine() throws IOException {
+ return readLine((String) null);
+ }
+
+ /**
+ * Read the next line with the specified character mask. If null, then
+ * characters will be echoed. If 0, then no characters will be echoed.
+ */
+ public String readLine(final Character mask) throws IOException {
+ return readLine(null, mask);
+ }
+
+ public String readLine(final String prompt) throws IOException {
+ return readLine(prompt, null);
+ }
+
+ /**
+ * Sets the current keymap by name. Supported keymaps are "emacs",
+ * "vi-insert", "vi-move".
+ * @param name The name of the keymap to switch to
+ * @return true if the keymap was set, or false if the keymap is
+ * not recognized.
+ */
+ public boolean setKeyMap(String name) {
+ return consoleKeys.setKeyMap(name);
+ }
+
+ /**
+ * Returns the name of the current key mapping.
+ * @return the name of the key mapping. This will be the canonical name
+ * of the current mode of the key map and may not reflect the name that
+ * was used with {@link #setKeyMap(String)}.
+ */
+ public String getKeyMap() {
+ return consoleKeys.getKeys().getName();
+ }
+
+ /**
+ * Read a line from the in {@link InputStream}, and return the line
+ * (without any trailing newlines).
+ *
+ * @param prompt The prompt to issue to the console, may be null.
+ * @return A line that is read from the terminal, or null if there was null input (e.g., CTRL-D
+ * was pressed).
+ */
+ public String readLine(String prompt, final Character mask) throws IOException {
+ // prompt may be null
+ // mask may be null
+
+ /*
+ * This is the accumulator for VI-mode repeat count. That is, while in
+ * move mode, if you type 30x it will delete 30 characters. This is
+ * where the "30" is accumulated until the command is struck.
+ */
+ int repeatCount = 0;
+
+ // FIXME: This blows, each call to readLine will reset the console's state which doesn't seem very nice.
+ this.mask = mask;
+ if (prompt != null) {
+ setPrompt(prompt);
+ }
+ else {
+ prompt = getPrompt();
+ }
+
+ try {
+ if (!terminal.isSupported()) {
+ beforeReadLine(prompt, mask);
+ }
+
+ if (prompt != null && prompt.length() > 0) {
+ out.write(prompt);
+ out.flush();
+ }
+
+ // if the terminal is unsupported, just use plain-java reading
+ if (!terminal.isSupported()) {
+ return readLineSimple();
+ }
+
+ if (handleUserInterrupt && (terminal instanceof UnixTerminal)) {
+ ((UnixTerminal) terminal).disableInterruptCharacter();
+ }
+
+ String originalPrompt = this.prompt;
+
+ state = State.NORMAL;
+
+ boolean success = true;
+
+ StringBuilder sb = new StringBuilder();
+ Stack pushBackChar = new Stack();
+ while (true) {
+ int c = pushBackChar.isEmpty() ? readCharacter() : pushBackChar.pop ();
+ if (c == -1) {
+ return null;
+ }
+ sb.appendCodePoint(c);
+
+ if (recording) {
+ macro += new String(new int[]{c}, 0, 1);
+ }
+
+ Object o = getKeys().getBound( sb );
+ /*
+ * The kill ring keeps record of whether or not the
+ * previous command was a yank or a kill. We reset
+ * that state here if needed.
+ */
+ if (!recording && !(o instanceof KeyMap)) {
+ if (o != Operation.YANK_POP && o != Operation.YANK) {
+ killRing.resetLastYank();
+ }
+ if (o != Operation.KILL_LINE && o != Operation.KILL_WHOLE_LINE
+ && o != Operation.BACKWARD_KILL_WORD && o != Operation.KILL_WORD
+ && o != Operation.UNIX_LINE_DISCARD && o != Operation.UNIX_WORD_RUBOUT) {
+ killRing.resetLastKill();
+ }
+ }
+
+ if (o == Operation.DO_LOWERCASE_VERSION) {
+ sb.setLength( sb.length() - 1);
+ sb.append( Character.toLowerCase( (char) c ));
+ o = getKeys().getBound( sb );
+ }
+
+ /*
+ * A KeyMap indicates that the key that was struck has a
+ * number of keys that can follow it as indicated in the
+ * map. This is used primarily for Emacs style ESC-META-x
+ * lookups. Since more keys must follow, go back to waiting
+ * for the next key.
+ */
+ if ( o instanceof KeyMap ) {
+ /*
+ * The ESC key (#27) is special in that it is ambiguous until
+ * you know what is coming next. The ESC could be a literal
+ * escape, like the user entering vi-move mode, or it could
+ * be part of a terminal control sequence. The following
+ * logic attempts to disambiguate things in the same
+ * fashion as regular vi or readline.
+ *
+ * When ESC is encountered and there is no other pending
+ * character in the pushback queue, then attempt to peek
+ * into the input stream (if the feature is enabled) for
+ * 150ms. If nothing else is coming, then assume it is
+ * not a terminal control sequence, but a raw escape.
+ */
+ if (c == 27
+ && pushBackChar.isEmpty()
+ && in.isNonBlockingEnabled()
+ && in.peek(escapeTimeout) == -2) {
+ o = ((KeyMap) o).getAnotherKey();
+ if (o == null || o instanceof KeyMap) {
+ continue;
+ }
+ sb.setLength(0);
+ }
+ else {
+ continue;
+ }
+ }
+
+ /*
+ * If we didn't find a binding for the key and there is
+ * more than one character accumulated then start checking
+ * the largest span of characters from the beginning to
+ * see if there is a binding for them.
+ *
+ * For example if our buffer has ESC,CTRL-M,C the getBound()
+ * called previously indicated that there is no binding for
+ * this sequence, so this then checks ESC,CTRL-M, and failing
+ * that, just ESC. Each keystroke that is pealed off the end
+ * during these tests is stuffed onto the pushback buffer so
+ * they won't be lost.
+ *
+ * If there is no binding found, then we go back to waiting for
+ * input.
+ */
+ while ( o == null && sb.length() > 0 ) {
+ c = sb.charAt( sb.length() - 1 );
+ sb.setLength( sb.length() - 1 );
+ Object o2 = getKeys().getBound( sb );
+ if ( o2 instanceof KeyMap ) {
+ o = ((KeyMap) o2).getAnotherKey();
+ if ( o == null ) {
+ continue;
+ } else {
+ pushBackChar.push( (char) c );
+ }
+ }
+ }
+
+ if ( o == null ) {
+ continue;
+ }
+ Log.trace("Binding: ", o);
+
+
+ // Handle macros
+ if (o instanceof String) {
+ String macro = (String) o;
+ for (int i = 0; i < macro.length(); i++) {
+ pushBackChar.push(macro.charAt(macro.length() - 1 - i));
+ }
+ sb.setLength( 0 );
+ continue;
+ }
+
+ // Handle custom callbacks
+ if (o instanceof ActionListener) {
+ ((ActionListener) o).actionPerformed(null);
+ sb.setLength( 0 );
+ continue;
+ }
+
+ // Search mode.
+ //
+ // Note that we have to do this first, because if there is a command
+ // not linked to a search command, we leave the search mode and fall
+ // through to the normal state.
+ if (state == State.SEARCH || state == State.FORWARD_SEARCH) {
+ int cursorDest = -1;
+ switch ( ((Operation) o )) {
+ case ABORT:
+ state = State.NORMAL;
+ buf.clear();
+ buf.buffer.append(searchTerm);
+ break;
+
+ case REVERSE_SEARCH_HISTORY:
+ state = State.SEARCH;
+ if (searchTerm.length() == 0) {
+ searchTerm.append(previousSearchTerm);
+ }
+
+ if (searchIndex > 0) {
+ searchIndex = searchBackwards(searchTerm.toString(), searchIndex);
+ }
+ break;
+
+ case FORWARD_SEARCH_HISTORY:
+ state = State.FORWARD_SEARCH;
+ if (searchTerm.length() == 0) {
+ searchTerm.append(previousSearchTerm);
+ }
+
+ if (searchIndex > -1 && searchIndex < history.size() - 1) {
+ searchIndex = searchForwards(searchTerm.toString(), searchIndex);
+ }
+ break;
+
+ case BACKWARD_DELETE_CHAR:
+ if (searchTerm.length() > 0) {
+ searchTerm.deleteCharAt(searchTerm.length() - 1);
+ if (state == State.SEARCH) {
+ searchIndex = searchBackwards(searchTerm.toString());
+ } else {
+ searchIndex = searchForwards(searchTerm.toString());
+ }
+ }
+ break;
+
+ case SELF_INSERT:
+ searchTerm.appendCodePoint(c);
+ if (state == State.SEARCH) {
+ searchIndex = searchBackwards(searchTerm.toString());
+ } else {
+ searchIndex = searchForwards(searchTerm.toString());
+ }
+ break;
+
+ default:
+ // Set buffer and cursor position to the found string.
+ if (searchIndex != -1) {
+ history.moveTo(searchIndex);
+ // set cursor position to the found string
+ cursorDest = history.current().toString().indexOf(searchTerm.toString());
+ }
+ state = State.NORMAL;
+ break;
+ }
+
+ // if we're still in search mode, print the search status
+ if (state == State.SEARCH || state == State.FORWARD_SEARCH) {
+ if (searchTerm.length() == 0) {
+ if (state == State.SEARCH) {
+ printSearchStatus("", "");
+ } else {
+ printForwardSearchStatus("", "");
+ }
+ searchIndex = -1;
+ } else {
+ if (searchIndex == -1) {
+ beep();
+ printSearchStatus(searchTerm.toString(), "");
+ } else if (state == State.SEARCH) {
+ printSearchStatus(searchTerm.toString(), history.get(searchIndex).toString());
+ } else {
+ printForwardSearchStatus(searchTerm.toString(), history.get(searchIndex).toString());
+ }
+ }
+ }
+ // otherwise, restore the line
+ else {
+ restoreLine(originalPrompt, cursorDest);
+ }
+ }
+ if (state != State.SEARCH && state != State.FORWARD_SEARCH) {
+ /*
+ * If this is still false at the end of the switch, then
+ * we reset our repeatCount to 0.
+ */
+ boolean isArgDigit = false;
+
+ /*
+ * Every command that can be repeated a specified number
+ * of times, needs to know how many times to repeat, so
+ * we figure that out here.
+ */
+ int count = (repeatCount == 0) ? 1 : repeatCount;
+
+ /*
+ * Default success to true. You only need to explicitly
+ * set it if something goes wrong.
+ */
+ success = true;
+
+ if (o instanceof Operation) {
+ Operation op = (Operation)o;
+ /*
+ * Current location of the cursor (prior to the operation).
+ * These are used by vi *-to operation (e.g. delete-to)
+ * so we know where we came from.
+ */
+ int cursorStart = buf.cursor;
+ State origState = state;
+
+ /*
+ * If we are on a "vi" movement based operation, then we
+ * need to restrict the sets of inputs pretty heavily.
+ */
+ if (state == State.VI_CHANGE_TO
+ || state == State.VI_YANK_TO
+ || state == State.VI_DELETE_TO) {
+
+ op = viDeleteChangeYankToRemap(op);
+ }
+
+ switch ( op ) {
+ case COMPLETE: // tab
+ // There is an annoyance with tab completion in that
+ // sometimes the user is actually pasting input in that
+ // has physical tabs in it. This attempts to look at how
+ // quickly a character follows the tab, if the character
+ // follows *immediately*, we assume it is a tab literal.
+ boolean isTabLiteral = false;
+ if (copyPasteDetection
+ && c == 9
+ && (!pushBackChar.isEmpty()
+ || (in.isNonBlockingEnabled() && in.peek(escapeTimeout) != -2))) {
+ isTabLiteral = true;
+ }
+
+ if (! isTabLiteral) {
+ success = complete();
+ }
+ else {
+ putString(sb);
+ }
+ break;
+
+ case POSSIBLE_COMPLETIONS:
+ printCompletionCandidates();
+ break;
+
+ case BEGINNING_OF_LINE:
+ success = setCursorPosition(0);
+ break;
+
+ case YANK:
+ success = yank();
+ break;
+
+ case YANK_POP:
+ success = yankPop();
+ break;
+
+ case KILL_LINE: // CTRL-K
+ success = killLine();
+ break;
+
+ case KILL_WHOLE_LINE:
+ success = setCursorPosition(0) && killLine();
+ break;
+
+ case CLEAR_SCREEN: // CTRL-L
+ success = clearScreen();
+ redrawLine();
+ break;
+
+ case OVERWRITE_MODE:
+ buf.setOverTyping(!buf.isOverTyping());
+ break;
+
+ case SELF_INSERT:
+ putString(sb);
+ break;
+
+ case ACCEPT_LINE:
+ return accept();
+
+ case ABORT:
+ if (searchTerm == null) {
+ abort();
+ }
+ break;
+
+ case INTERRUPT:
+ if (handleUserInterrupt) {
+ println();
+ flush();
+ String partialLine = buf.buffer.toString();
+ buf.clear();
+ history.moveToEnd();
+ throw new UserInterruptException(partialLine);
+ }
+ break;
+
+ /*
+ * VI_MOVE_ACCEPT_LINE is the result of an ENTER
+ * while in move mode. This is the same as a normal
+ * ACCEPT_LINE, except that we need to enter
+ * insert mode as well.
+ */
+ case VI_MOVE_ACCEPT_LINE:
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ return accept();
+
+ case BACKWARD_WORD:
+ success = previousWord();
+ break;
+
+ case FORWARD_WORD:
+ success = nextWord();
+ break;
+
+ case PREVIOUS_HISTORY:
+ success = moveHistory(false);
+ break;
+
+ /*
+ * According to bash/readline move through history
+ * in "vi" mode will move the cursor to the
+ * start of the line. If there is no previous
+ * history, then the cursor doesn't move.
+ */
+ case VI_PREVIOUS_HISTORY:
+ success = moveHistory(false, count)
+ && setCursorPosition(0);
+ break;
+
+ case NEXT_HISTORY:
+ success = moveHistory(true);
+ break;
+
+ /*
+ * According to bash/readline move through history
+ * in "vi" mode will move the cursor to the
+ * start of the line. If there is no next history,
+ * then the cursor doesn't move.
+ */
+ case VI_NEXT_HISTORY:
+ success = moveHistory(true, count)
+ && setCursorPosition(0);
+ break;
+
+ case BACKWARD_DELETE_CHAR: // backspace
+ success = backspace();
+ break;
+
+ case EXIT_OR_DELETE_CHAR:
+ if (buf.buffer.length() == 0) {
+ return null;
+ }
+ success = deleteCurrentCharacter();
+ break;
+
+ case DELETE_CHAR: // delete
+ success = deleteCurrentCharacter();
+ break;
+
+ case BACKWARD_CHAR:
+ success = moveCursor(-(count)) != 0;
+ break;
+
+ case FORWARD_CHAR:
+ success = moveCursor(count) != 0;
+ break;
+
+ case UNIX_LINE_DISCARD:
+ success = resetLine();
+ break;
+
+ case UNIX_WORD_RUBOUT:
+ success = unixWordRubout(count);
+ break;
+
+ case BACKWARD_KILL_WORD:
+ success = deletePreviousWord();
+ break;
+
+ case KILL_WORD:
+ success = deleteNextWord();
+ break;
+
+ case BEGINNING_OF_HISTORY:
+ success = history.moveToFirst();
+ if (success) {
+ setBuffer(history.current());
+ }
+ break;
+
+ case END_OF_HISTORY:
+ success = history.moveToLast();
+ if (success) {
+ setBuffer(history.current());
+ }
+ break;
+
+ case HISTORY_SEARCH_BACKWARD:
+ searchTerm = new StringBuffer(buf.upToCursor());
+ searchIndex = searchBackwards(searchTerm.toString(), history.index(), true);
+
+ if (searchIndex == -1) {
+ beep();
+ } else {
+ // Maintain cursor position while searching.
+ success = history.moveTo(searchIndex);
+ if (success) {
+ setBufferKeepPos(history.current());
+ }
+ }
+ break;
+
+ case HISTORY_SEARCH_FORWARD:
+ searchTerm = new StringBuffer(buf.upToCursor());
+ int index = history.index() + 1;
+
+ if (index == history.size()) {
+ history.moveToEnd();
+ setBufferKeepPos(searchTerm.toString());
+ } else if (index < history.size()) {
+ searchIndex = searchForwards(searchTerm.toString(), index, true);
+ if (searchIndex == -1) {
+ beep();
+ } else {
+ // Maintain cursor position while searching.
+ success = history.moveTo(searchIndex);
+ if (success) {
+ setBufferKeepPos(history.current());
+ }
+ }
+ }
+ break;
+
+ case REVERSE_SEARCH_HISTORY:
+ if (searchTerm != null) {
+ previousSearchTerm = searchTerm.toString();
+ }
+ searchTerm = new StringBuffer(buf.buffer);
+ state = State.SEARCH;
+ if (searchTerm.length() > 0) {
+ searchIndex = searchBackwards(searchTerm.toString());
+ if (searchIndex == -1) {
+ beep();
+ }
+ printSearchStatus(searchTerm.toString(),
+ searchIndex > -1 ? history.get(searchIndex).toString() : "");
+ } else {
+ searchIndex = -1;
+ printSearchStatus("", "");
+ }
+ break;
+
+ case FORWARD_SEARCH_HISTORY:
+ if (searchTerm != null) {
+ previousSearchTerm = searchTerm.toString();
+ }
+ searchTerm = new StringBuffer(buf.buffer);
+ state = State.FORWARD_SEARCH;
+ if (searchTerm.length() > 0) {
+ searchIndex = searchForwards(searchTerm.toString());
+ if (searchIndex == -1) {
+ beep();
+ }
+ printForwardSearchStatus(searchTerm.toString(),
+ searchIndex > -1 ? history.get(searchIndex).toString() : "");
+ } else {
+ searchIndex = -1;
+ printForwardSearchStatus("", "");
+ }
+ break;
+
+ case CAPITALIZE_WORD:
+ success = capitalizeWord();
+ break;
+
+ case UPCASE_WORD:
+ success = upCaseWord();
+ break;
+
+ case DOWNCASE_WORD:
+ success = downCaseWord();
+ break;
+
+ case END_OF_LINE:
+ success = moveToEnd();
+ break;
+
+ case TAB_INSERT:
+ putString( "\t" );
+ break;
+
+ case RE_READ_INIT_FILE:
+ consoleKeys.loadKeys(appName, inputrcUrl);
+ break;
+
+ case START_KBD_MACRO:
+ recording = true;
+ break;
+
+ case END_KBD_MACRO:
+ recording = false;
+ macro = macro.substring(0, macro.length() - sb.length());
+ break;
+
+ case CALL_LAST_KBD_MACRO:
+ for (int i = 0; i < macro.length(); i++) {
+ pushBackChar.push(macro.charAt(macro.length() - 1 - i));
+ }
+ sb.setLength( 0 );
+ break;
+
+ case VI_EDITING_MODE:
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case VI_MOVEMENT_MODE:
+ /*
+ * If we are re-entering move mode from an
+ * aborted yank-to, delete-to, change-to then
+ * don't move the cursor back. The cursor is
+ * only move on an expclit entry to movement
+ * mode.
+ */
+ if (state == state.NORMAL) {
+ moveCursor(-1);
+ }
+ consoleKeys.setKeyMap(KeyMap.VI_MOVE);
+ break;
+
+ case VI_INSERTION_MODE:
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case VI_APPEND_MODE:
+ moveCursor(1);
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case VI_APPEND_EOL:
+ success = moveToEnd();
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ /*
+ * Handler for CTRL-D. Attempts to follow readline
+ * behavior. If the line is empty, then it is an EOF
+ * otherwise it is as if the user hit enter.
+ */
+ case VI_EOF_MAYBE:
+ if (buf.buffer.length() == 0) {
+ return null;
+ }
+ return accept();
+
+ case TRANSPOSE_CHARS:
+ success = transposeChars(count);
+ break;
+
+ case INSERT_COMMENT:
+ return insertComment (false);
+
+ case INSERT_CLOSE_CURLY:
+ insertClose("}");
+ break;
+
+ case INSERT_CLOSE_PAREN:
+ insertClose(")");
+ break;
+
+ case INSERT_CLOSE_SQUARE:
+ insertClose("]");
+ break;
+
+ case VI_INSERT_COMMENT:
+ return insertComment (true);
+
+ case VI_MATCH:
+ success = viMatch ();
+ break;
+
+ case VI_SEARCH:
+ int lastChar = viSearch(sb.charAt (0));
+ if (lastChar != -1) {
+ pushBackChar.push((char)lastChar);
+ }
+ break;
+
+ case VI_ARG_DIGIT:
+ repeatCount = (repeatCount * 10) + sb.charAt(0) - '0';
+ isArgDigit = true;
+ break;
+
+ case VI_BEGNNING_OF_LINE_OR_ARG_DIGIT:
+ if (repeatCount > 0) {
+ repeatCount = (repeatCount * 10) + sb.charAt(0) - '0';
+ isArgDigit = true;
+ }
+ else {
+ success = setCursorPosition(0);
+ }
+ break;
+
+ case VI_FIRST_PRINT:
+ success = setCursorPosition(0) && viNextWord(1);
+ break;
+
+ case VI_PREV_WORD:
+ success = viPreviousWord(count);
+ break;
+
+ case VI_NEXT_WORD:
+ success = viNextWord(count);
+ break;
+
+ case VI_END_WORD:
+ success = viEndWord(count);
+ break;
+
+ case VI_INSERT_BEG:
+ success = setCursorPosition(0);
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case VI_RUBOUT:
+ success = viRubout(count);
+ break;
+
+ case VI_DELETE:
+ success = viDelete(count);
+ break;
+
+ case VI_DELETE_TO:
+ /*
+ * This is a weird special case. In vi
+ * "dd" deletes the current line. So if we
+ * get a delete-to, followed by a delete-to,
+ * we delete the line.
+ */
+ if (state == State.VI_DELETE_TO) {
+ success = setCursorPosition(0) && killLine();
+ state = origState = State.NORMAL;
+ }
+ else {
+ state = State.VI_DELETE_TO;
+ }
+ break;
+
+ case VI_YANK_TO:
+ // Similar to delete-to, a "yy" yanks the whole line.
+ if (state == State.VI_YANK_TO) {
+ yankBuffer = buf.buffer.toString();
+ state = origState = State.NORMAL;
+ }
+ else {
+ state = State.VI_YANK_TO;
+ }
+ break;
+
+ case VI_CHANGE_TO:
+ if (state == State.VI_CHANGE_TO) {
+ success = setCursorPosition(0) && killLine();
+ state = origState = State.NORMAL;
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ }
+ else {
+ state = State.VI_CHANGE_TO;
+ }
+ break;
+
+ case VI_KILL_WHOLE_LINE:
+ success = setCursorPosition(0) && killLine();
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case VI_PUT:
+ success = viPut(count);
+ break;
+
+ case VI_CHAR_SEARCH: {
+ // ';' and ',' don't need another character. They indicate repeat next or repeat prev.
+ int searchChar = (c != ';' && c != ',')
+ ? (pushBackChar.isEmpty()
+ ? readCharacter()
+ : pushBackChar.pop ())
+ : 0;
+
+ success = viCharSearch(count, c, searchChar);
+ }
+ break;
+
+ case VI_CHANGE_CASE:
+ success = viChangeCase(count);
+ break;
+
+ case VI_CHANGE_CHAR:
+ success = viChangeChar(count,
+ pushBackChar.isEmpty()
+ ? readCharacter()
+ : pushBackChar.pop());
+ break;
+
+ case VI_DELETE_TO_EOL:
+ success = viDeleteTo(buf.cursor, buf.buffer.length(), false);
+ break;
+
+ case VI_CHANGE_TO_EOL:
+ success = viDeleteTo(buf.cursor, buf.buffer.length(), true);
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ break;
+
+ case EMACS_EDITING_MODE:
+ consoleKeys.setKeyMap(KeyMap.EMACS);
+ break;
+
+ default:
+ break;
+ }
+
+ /*
+ * If we were in a yank-to, delete-to, move-to
+ * when this operation started, then fall back to
+ */
+ if (origState != State.NORMAL) {
+ if (origState == State.VI_DELETE_TO) {
+ success = viDeleteTo(cursorStart, buf.cursor, false);
+ }
+ else if (origState == State.VI_CHANGE_TO) {
+ success = viDeleteTo(cursorStart, buf.cursor, true);
+ consoleKeys.setKeyMap(KeyMap.VI_INSERT);
+ }
+ else if (origState == State.VI_YANK_TO) {
+ success = viYankTo(cursorStart, buf.cursor);
+ }
+ state = State.NORMAL;
+ }
+
+ /*
+ * Another subtly. The check for the NORMAL state is
+ * to ensure that we do not clear out the repeat
+ * count when in delete-to, yank-to, or move-to modes.
+ */
+ if (state == State.NORMAL && !isArgDigit) {
+ /*
+ * If the operation performed wasn't a vi argument
+ * digit, then clear out the current repeatCount;
+ */
+ repeatCount = 0;
+ }
+
+ if (state != State.SEARCH && state != State.FORWARD_SEARCH) {
+ previousSearchTerm = "";
+ searchTerm = null;
+ searchIndex = -1;
+ }
+ }
+ }
+ if (!success) {
+ beep();
+ }
+ sb.setLength( 0 );
+ flush();
+ }
+ }
+ finally {
+ if (!terminal.isSupported()) {
+ afterReadLine();
+ }
+ if (handleUserInterrupt && (terminal instanceof UnixTerminal)) {
+ ((UnixTerminal) terminal).enableInterruptCharacter();
+ }
+ }
+ }
+
+ /**
+ * Read a line for unsupported terminals.
+ */
+ private String readLineSimple() throws IOException {
+ StringBuilder buff = new StringBuilder();
+
+ if (skipLF) {
+ skipLF = false;
+
+ int i = readCharacter();
+
+ if (i == -1 || i == '\r') {
+ return buff.toString();
+ } else if (i == '\n') {
+ // ignore
+ } else {
+ buff.append((char) i);
+ }
+ }
+
+ while (true) {
+ int i = readCharacter();
+
+ if (i == -1 && buff.length() == 0) {
+ return null;
+ }
+
+ if (i == -1 || i == '\n') {
+ return buff.toString();
+ } else if (i == '\r') {
+ skipLF = true;
+ return buff.toString();
+ } else {
+ buff.append((char) i);
+ }
+ }
+ }
+
+ //
+ // Completion
+ //
+
+ private final List completers = new LinkedList();
+
+ private CompletionHandler completionHandler = new CandidateListCompletionHandler();
+
+ /**
+ * Add the specified {@link jline.console.completer.Completer} to the list of handlers for tab-completion.
+ *
+ * @param completer the {@link jline.console.completer.Completer} to add
+ * @return true if it was successfully added
+ */
+ public boolean addCompleter(final Completer completer) {
+ return completers.add(completer);
+ }
+
+ /**
+ * Remove the specified {@link jline.console.completer.Completer} from the list of handlers for tab-completion.
+ *
+ * @param completer The {@link Completer} to remove
+ * @return True if it was successfully removed
+ */
+ public boolean removeCompleter(final Completer completer) {
+ return completers.remove(completer);
+ }
+
+ /**
+ * Returns an unmodifiable list of all the completers.
+ */
+ public Collection getCompleters() {
+ return Collections.unmodifiableList(completers);
+ }
+
+ public void setCompletionHandler(final CompletionHandler handler) {
+ this.completionHandler = checkNotNull(handler);
+ }
+
+ public CompletionHandler getCompletionHandler() {
+ return this.completionHandler;
+ }
+
+ /**
+ * Use the completers to modify the buffer with the appropriate completions.
+ *
+ * @return true if successful
+ */
+ protected boolean complete() throws IOException {
+ // debug ("tab for (" + buf + ")");
+ if (completers.size() == 0) {
+ return false;
+ }
+
+ List candidates = new LinkedList();
+ String bufstr = buf.buffer.toString();
+ int cursor = buf.cursor;
+
+ int position = -1;
+
+ for (Completer comp : completers) {
+ if ((position = comp.complete(bufstr, cursor, candidates)) != -1) {
+ break;
+ }
+ }
+
+ return candidates.size() != 0 && getCompletionHandler().complete(this, candidates, position);
+ }
+
+ protected void printCompletionCandidates() throws IOException {
+ // debug ("tab for (" + buf + ")");
+ if (completers.size() == 0) {
+ return;
+ }
+
+ List candidates = new LinkedList();
+ String bufstr = buf.buffer.toString();
+ int cursor = buf.cursor;
+
+ for (Completer comp : completers) {
+ if (comp.complete(bufstr, cursor, candidates) != -1) {
+ break;
+ }
+ }
+ CandidateListCompletionHandler.printCandidates(this, candidates);
+ drawLine();
+ }
+
+ /**
+ * The number of tab-completion candidates above which a warning will be
+ * prompted before showing all the candidates.
+ */
+ private int autoprintThreshold = Configuration.getInteger(JLINE_COMPLETION_THRESHOLD, 100); // same default as bash
+
+ /**
+ * @param threshold the number of candidates to print without issuing a warning.
+ */
+ public void setAutoprintThreshold(final int threshold) {
+ this.autoprintThreshold = threshold;
+ }
+
+ /**
+ * @return the number of candidates to print without issuing a warning.
+ */
+ public int getAutoprintThreshold() {
+ return autoprintThreshold;
+ }
+
+ private boolean paginationEnabled;
+
+ /**
+ * Whether to use pagination when the number of rows of candidates exceeds the height of the terminal.
+ */
+ public void setPaginationEnabled(final boolean enabled) {
+ this.paginationEnabled = enabled;
+ }
+
+ /**
+ * Whether to use pagination when the number of rows of candidates exceeds the height of the terminal.
+ */
+ public boolean isPaginationEnabled() {
+ return paginationEnabled;
+ }
+
+ //
+ // History
+ //
+
+ private History history = new MemoryHistory();
+
+ public void setHistory(final History history) {
+ this.history = history;
+ }
+
+ public History getHistory() {
+ return history;
+ }
+
+ private boolean historyEnabled = true;
+
+ /**
+ * Whether or not to add new commands to the history buffer.
+ */
+ public void setHistoryEnabled(final boolean enabled) {
+ this.historyEnabled = enabled;
+ }
+
+ /**
+ * Whether or not to add new commands to the history buffer.
+ */
+ public boolean isHistoryEnabled() {
+ return historyEnabled;
+ }
+
+ /**
+ * Used in "vi" mode for argumented history move, to move a specific
+ * number of history entries forward or back.
+ *
+ * @param next If true, move forward
+ * @param count The number of entries to move
+ * @return true if the move was successful
+ * @throws IOException
+ */
+ private boolean moveHistory(final boolean next, int count) throws IOException {
+ boolean ok = true;
+ for (int i = 0; i < count && (ok = moveHistory(next)); i++) {
+ /* empty */
+ }
+ return ok;
+ }
+
+ /**
+ * Move up or down the history tree.
+ */
+ private boolean moveHistory(final boolean next) throws IOException {
+ if (next && !history.next()) {
+ return false;
+ }
+ else if (!next && !history.previous()) {
+ return false;
+ }
+
+ setBuffer(history.current());
+
+ return true;
+ }
+
+ //
+ // Printing
+ //
+
+ public static final String CR = Configuration.getLineSeparator();
+
+ /**
+ * Output the specified character to the output stream without manipulating the current buffer.
+ */
+ private void print(final int c) throws IOException {
+ if (c == '\t') {
+ char chars[] = new char[TAB_WIDTH];
+ Arrays.fill(chars, ' ');
+ out.write(chars);
+ return;
+ }
+
+ out.write(c);
+ }
+
+ /**
+ * Output the specified characters to the output stream without manipulating the current buffer.
+ */
+ private void print(final char... buff) throws IOException {
+ int len = 0;
+ for (char c : buff) {
+ if (c == '\t') {
+ len += TAB_WIDTH;
+ }
+ else {
+ len++;
+ }
+ }
+
+ char chars[];
+ if (len == buff.length) {
+ chars = buff;
+ }
+ else {
+ chars = new char[len];
+ int pos = 0;
+ for (char c : buff) {
+ if (c == '\t') {
+ Arrays.fill(chars, pos, pos + TAB_WIDTH, ' ');
+ pos += TAB_WIDTH;
+ }
+ else {
+ chars[pos] = c;
+ pos++;
+ }
+ }
+ }
+
+ out.write(chars);
+ }
+
+ private void print(final char c, final int num) throws IOException {
+ if (num == 1) {
+ print(c);
+ }
+ else {
+ char[] chars = new char[num];
+ Arrays.fill(chars, c);
+ print(chars);
+ }
+ }
+
+ /**
+ * Output the specified string to the output stream (but not the buffer).
+ */
+ public final void print(final CharSequence s) throws IOException {
+ print(checkNotNull(s).toString().toCharArray());
+ }
+
+ public final void println(final CharSequence s) throws IOException {
+ print(checkNotNull(s).toString().toCharArray());
+ println();
+ }
+
+ /**
+ * Output a platform-dependant newline.
+ */
+ public final void println() throws IOException {
+ print(CR);
+// flush();
+ }
+
+ //
+ // Actions
+ //
+
+ /**
+ * Issue a delete.
+ *
+ * @return true if successful
+ */
+ public final boolean delete() throws IOException {
+ if (buf.cursor == buf.buffer.length()) {
+ return false;
+ }
+
+ buf.buffer.delete(buf.cursor, buf.cursor + 1);
+ drawBuffer(1);
+
+ return true;
+ }
+
+ /**
+ * Kill the buffer ahead of the current cursor position.
+ *
+ * @return true if successful
+ */
+ public boolean killLine() throws IOException {
+ int cp = buf.cursor;
+ int len = buf.buffer.length();
+
+ if (cp >= len) {
+ return false;
+ }
+
+ int num = len - cp;
+ clearAhead(num, 0);
+
+ char[] killed = new char[num];
+ buf.buffer.getChars(cp, (cp + num), killed, 0);
+ buf.buffer.delete(cp, (cp + num));
+
+ String copy = new String(killed);
+ killRing.add(copy);
+
+ return true;
+ }
+
+ public boolean yank() throws IOException {
+ String yanked = killRing.yank();
+
+ if (yanked == null) {
+ return false;
+ }
+ putString(yanked);
+ return true;
+ }
+
+ public boolean yankPop() throws IOException {
+ if (!killRing.lastYank()) {
+ return false;
+ }
+ String current = killRing.yank();
+ if (current == null) {
+ // This shouldn't happen.
+ return false;
+ }
+ backspace(current.length());
+ String yanked = killRing.yankPop();
+ if (yanked == null) {
+ // This shouldn't happen.
+ return false;
+ }
+
+ putString(yanked);
+ return true;
+ }
+
+ /**
+ * Clear the screen by issuing the ANSI "clear screen" code.
+ */
+ public boolean clearScreen() throws IOException {
+ if (!terminal.isAnsiSupported()) {
+ return false;
+ }
+
+ // send the ANSI code to clear the screen
+ printAnsiSequence("2J");
+
+ // then send the ANSI code to go to position 1,1
+ printAnsiSequence("1;1H");
+
+ return true;
+ }
+
+ /**
+ * Issue an audible keyboard bell.
+ */
+ public void beep() throws IOException {
+ if (bellEnabled) {
+ print(KEYBOARD_BELL);
+ // need to flush so the console actually beeps
+ flush();
+ }
+ }
+
+ /**
+ * Paste the contents of the clipboard into the console buffer
+ *
+ * @return true if clipboard contents pasted
+ */
+ public boolean paste() throws IOException {
+ Clipboard clipboard;
+ try { // May throw ugly exception on system without X
+ clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+ }
+ catch (Exception e) {
+ return false;
+ }
+
+ if (clipboard == null) {
+ return false;
+ }
+
+ Transferable transferable = clipboard.getContents(null);
+
+ if (transferable == null) {
+ return false;
+ }
+
+ try {
+ Object content = transferable.getTransferData(DataFlavor.plainTextFlavor);
+
+ // This fix was suggested in bug #1060649 at
+ // http://sourceforge.net/tracker/index.php?func=detail&aid=1060649&group_id=64033&atid=506056
+ // to get around the deprecated DataFlavor.plainTextFlavor, but it
+ // raises a UnsupportedFlavorException on Mac OS X
+
+ if (content == null) {
+ try {
+ content = new DataFlavor().getReaderForText(transferable);
+ }
+ catch (Exception e) {
+ // ignore
+ }
+ }
+
+ if (content == null) {
+ return false;
+ }
+
+ String value;
+
+ if (content instanceof Reader) {
+ // TODO: we might want instead connect to the input stream
+ // so we can interpret individual lines
+ value = "";
+ String line;
+
+ BufferedReader read = new BufferedReader((Reader) content);
+ while ((line = read.readLine()) != null) {
+ if (value.length() > 0) {
+ value += "\n";
+ }
+
+ value += line;
+ }
+ }
+ else {
+ value = content.toString();
+ }
+
+ if (value == null) {
+ return true;
+ }
+
+ putString(value);
+
+ return true;
+ }
+ catch (UnsupportedFlavorException e) {
+ Log.error("Paste failed: ", e);
+
+ return false;
+ }
+ }
+
+ //
+ // Triggered Actions
+ //
+
+ private final Map triggeredActions = new HashMap();
+
+ /**
+ * Adding a triggered Action allows to give another curse of action if a character passed the pre-processing.
+ *
+ * Say you want to close the application if the user enter q.
+ * addTriggerAction('q', new ActionListener(){ System.exit(0); }); would do the trick.
+ */
+ public void addTriggeredAction(final char c, final ActionListener listener) {
+ triggeredActions.put(c, listener);
+ }
+
+ //
+ // Formatted Output
+ //
+
+ /**
+ * Output the specified {@link Collection} in proper columns.
+ */
+ public void printColumns(final Collection items) throws IOException {
+ if (items == null || items.isEmpty()) {
+ return;
+ }
+
+ int width = getTerminal().getWidth();
+ int height = getTerminal().getHeight();
+
+ int maxWidth = 0;
+ for (CharSequence item : items) {
+ maxWidth = Math.max(maxWidth, item.length());
+ }
+ maxWidth = maxWidth + 3;
+ Log.debug("Max width: ", maxWidth);
+
+ int showLines;
+ if (isPaginationEnabled()) {
+ showLines = height - 1; // page limit
+ }
+ else {
+ showLines = Integer.MAX_VALUE;
+ }
+
+ StringBuilder buff = new StringBuilder();
+ for (CharSequence item : items) {
+ if ((buff.length() + maxWidth) > width) {
+ println(buff);
+ buff.setLength(0);
+
+ if (--showLines == 0) {
+ // Overflow
+ print(resources.getString("DISPLAY_MORE"));
+ flush();
+ int c = readCharacter();
+ if (c == '\r' || c == '\n') {
+ // one step forward
+ showLines = 1;
+ }
+ else if (c != 'q') {
+ // page forward
+ showLines = height - 1;
+ }
+
+ back(resources.getString("DISPLAY_MORE").length());
+ if (c == 'q') {
+ // cancel
+ break;
+ }
+ }
+ }
+
+ // NOTE: toString() is important here due to AnsiString being retarded
+ buff.append(item.toString());
+ for (int i = 0; i < (maxWidth - item.length()); i++) {
+ buff.append(' ');
+ }
+ }
+
+ if (buff.length() > 0) {
+ println(buff);
+ }
+ }
+
+ //
+ // Non-supported Terminal Support
+ //
+
+ private Thread maskThread;
+
+ private void beforeReadLine(final String prompt, final Character mask) {
+ if (mask != null && maskThread == null) {
+ final String fullPrompt = "\r" + prompt
+ + " "
+ + " "
+ + " "
+ + "\r" + prompt;
+
+ maskThread = new Thread()
+ {
+ public void run() {
+ while (!interrupted()) {
+ try {
+ Writer out = getOutput();
+ out.write(fullPrompt);
+ out.flush();
+ sleep(3);
+ }
+ catch (IOException e) {
+ return;
+ }
+ catch (InterruptedException e) {
+ return;
+ }
+ }
+ }
+ };
+
+ maskThread.setPriority(Thread.MAX_PRIORITY);
+ maskThread.setDaemon(true);
+ maskThread.start();
+ }
+ }
+
+ private void afterReadLine() {
+ if (maskThread != null && maskThread.isAlive()) {
+ maskThread.interrupt();
+ }
+
+ maskThread = null;
+ }
+
+ /**
+ * Erases the current line with the existing prompt, then redraws the line
+ * with the provided prompt and buffer
+ * @param prompt
+ * the new prompt
+ * @param buffer
+ * the buffer to be drawn
+ * @param cursorDest
+ * where you want the cursor set when the line has been drawn.
+ * -1 for end of line.
+ * */
+ public void resetPromptLine(String prompt, String buffer, int cursorDest) throws IOException {
+ // move cursor to end of line
+ moveToEnd();
+
+ // backspace all text, including prompt
+ buf.buffer.append(this.prompt);
+ int promptLength = 0;
+ if (this.prompt != null) {
+ promptLength = this.prompt.length();
+ }
+
+ buf.cursor += promptLength;
+ setPrompt("");
+ backspaceAll();
+
+ setPrompt(prompt);
+ redrawLine();
+ setBuffer(buffer);
+
+ // move cursor to destination (-1 will move to end of line)
+ if (cursorDest < 0) cursorDest = buffer.length();
+ setCursorPosition(cursorDest);
+
+ flush();
+ }
+
+ public void printSearchStatus(String searchTerm, String match) throws IOException {
+ printSearchStatus(searchTerm, match, "(reverse-i-search)`");
+ }
+
+ public void printForwardSearchStatus(String searchTerm, String match) throws IOException {
+ printSearchStatus(searchTerm, match, "(i-search)`");
+ }
+
+ private void printSearchStatus(String searchTerm, String match, String searchLabel) throws IOException {
+ String prompt = searchLabel + searchTerm + "': ";
+ int cursorDest = match.indexOf(searchTerm);
+ resetPromptLine(prompt, match, cursorDest);
+ }
+
+ public void restoreLine(String originalPrompt, int cursorDest) throws IOException {
+ // TODO move cursor to matched string
+ String prompt = lastLine(originalPrompt);
+ String buffer = buf.buffer.toString();
+ resetPromptLine(prompt, buffer, cursorDest);
+ }
+
+ //
+ // History search
+ //
+ /**
+ * Search backward in history from a given position.
+ *
+ * @param searchTerm substring to search for.
+ * @param startIndex the index from which on to search
+ * @return index where this substring has been found, or -1 else.
+ */
+ public int searchBackwards(String searchTerm, int startIndex) {
+ return searchBackwards(searchTerm, startIndex, false);
+ }
+
+ /**
+ * Search backwards in history from the current position.
+ *
+ * @param searchTerm substring to search for.
+ * @return index where the substring has been found, or -1 else.
+ */
+ public int searchBackwards(String searchTerm) {
+ return searchBackwards(searchTerm, history.index());
+ }
+
+
+ public int searchBackwards(String searchTerm, int startIndex, boolean startsWith) {
+ ListIterator it = history.entries(startIndex);
+ while (it.hasPrevious()) {
+ History.Entry e = it.previous();
+ if (startsWith) {
+ if (e.value().toString().startsWith(searchTerm)) {
+ return e.index();
+ }
+ } else {
+ if (e.value().toString().contains(searchTerm)) {
+ return e.index();
+ }
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * Search forward in history from a given position.
+ *
+ * @param searchTerm substring to search for.
+ * @param startIndex the index from which on to search
+ * @return index where this substring has been found, or -1 else.
+ */
+ public int searchForwards(String searchTerm, int startIndex) {
+ return searchForwards(searchTerm, startIndex, false);
+ }
+ /**
+ * Search forwards in history from the current position.
+ *
+ * @param searchTerm substring to search for.
+ * @return index where the substring has been found, or -1 else.
+ */
+ public int searchForwards(String searchTerm) {
+ return searchForwards(searchTerm, history.index());
+ }
+
+ public int searchForwards(String searchTerm, int startIndex, boolean startsWith) {
+ if (startIndex >= history.size()) {
+ startIndex = history.size() - 1;
+ }
+
+ ListIterator it = history.entries(startIndex);
+
+ if (searchIndex != -1 && it.hasNext()) {
+ it.next();
+ }
+
+ while (it.hasNext()) {
+ History.Entry e = it.next();
+ if (startsWith) {
+ if (e.value().toString().startsWith(searchTerm)) {
+ return e.index();
+ }
+ } else {
+ if (e.value().toString().contains(searchTerm)) {
+ return e.index();
+ }
+ }
+ }
+ return -1;
+ }
+
+ //
+ // Helpers
+ //
+
+ /**
+ * Checks to see if the specified character is a delimiter. We consider a
+ * character a delimiter if it is anything but a letter or digit.
+ *
+ * @param c The character to test
+ * @return True if it is a delimiter
+ */
+ private boolean isDelimiter(final char c) {
+ return !Character.isLetterOrDigit(c);
+ }
+
+ /**
+ * Checks to see if a character is a whitespace character. Currently
+ * this delegates to {@link Character#isWhitespace(char)}, however
+ * eventually it should be hooked up so that the definition of whitespace
+ * can be configured, as readline does.
+ *
+ * @param c The character to check
+ * @return true if the character is a whitespace
+ */
+ private boolean isWhitespace(final char c) {
+ return Character.isWhitespace (c);
+ }
+
+ private void printAnsiSequence(String sequence) throws IOException {
+ print(27);
+ print('[');
+ print(sequence);
+ flush(); // helps with step debugging
+ }
+
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/CursorBuffer.java 2015-06-18 03:05:14.337878618 -0700
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * A holder for a {@link StringBuilder} that also contains the current cursor position.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public class CursorBuffer
+{
+ private boolean overTyping = false;
+
+ public int cursor = 0;
+
+ public final StringBuilder buffer = new StringBuilder();
+
+ public CursorBuffer copy () {
+ CursorBuffer that = new CursorBuffer();
+ that.overTyping = this.overTyping;
+ that.cursor = this.cursor;
+ that.buffer.append (this.toString());
+
+ return that;
+ }
+
+ public boolean isOverTyping() {
+ return overTyping;
+ }
+
+ public void setOverTyping(final boolean b) {
+ overTyping = b;
+ }
+
+ public int length() {
+ return buffer.length();
+ }
+
+ public char nextChar() {
+ if (cursor == buffer.length()) {
+ return 0;
+ } else {
+ return buffer.charAt(cursor);
+ }
+ }
+
+ public char current() {
+ if (cursor <= 0) {
+ return 0;
+ }
+
+ return buffer.charAt(cursor - 1);
+ }
+
+ /**
+ * Write the specific character into the buffer, setting the cursor position
+ * ahead one. The text may overwrite or insert based on the current setting
+ * of {@link #isOverTyping}.
+ *
+ * @param c the character to insert
+ */
+ public void write(final char c) {
+ buffer.insert(cursor++, c);
+ if (isOverTyping() && cursor < buffer.length()) {
+ buffer.deleteCharAt(cursor);
+ }
+ }
+
+ /**
+ * Insert the specified chars into the buffer, setting the cursor to the end of the insertion point.
+ */
+ public void write(final CharSequence str) {
+ checkNotNull(str);
+
+ if (buffer.length() == 0) {
+ buffer.append(str);
+ }
+ else {
+ buffer.insert(cursor, str);
+ }
+
+ cursor += str.length();
+
+ if (isOverTyping() && cursor < buffer.length()) {
+ buffer.delete(cursor, (cursor + str.length()));
+ }
+ }
+
+ public boolean clear() {
+ if (buffer.length() == 0) {
+ return false;
+ }
+
+ buffer.delete(0, buffer.length());
+ cursor = 0;
+ return true;
+ }
+
+ public String upToCursor() {
+ if (cursor <= 0) {
+ return "";
+ }
+
+ return buffer.substring(0, cursor);
+ }
+
+ @Override
+ public String toString() {
+ return buffer.toString();
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/KeyMap.java 2015-06-18 03:05:14.839882249 -0700
@@ -0,0 +1,578 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The KeyMap class contains all bindings from keys to operations.
+ *
+ * @author Guillaume Nodet
+ * @since 2.6
+ */
+public class KeyMap {
+
+ public static final String VI_MOVE = "vi-move";
+ public static final String VI_INSERT = "vi-insert";
+ public static final String EMACS = "emacs";
+ public static final String EMACS_STANDARD = "emacs-standard";
+ public static final String EMACS_CTLX = "emacs-ctlx";
+ public static final String EMACS_META = "emacs-meta";
+
+ private static final int KEYMAP_LENGTH = 256;
+
+ private static final Object NULL_FUNCTION = new Object();
+
+ private Object[] mapping = new Object[KEYMAP_LENGTH];
+ private Object anotherKey = null;
+ private String name;
+ private boolean isViKeyMap;
+
+ public KeyMap(String name, boolean isViKeyMap) {
+ this(name, new Object[KEYMAP_LENGTH], isViKeyMap);
+ }
+
+ protected KeyMap(String name, Object[] mapping, boolean isViKeyMap) {
+ this.mapping = mapping;
+ this.name = name;
+ this.isViKeyMap = isViKeyMap;
+ }
+
+ public boolean isViKeyMap() {
+ return isViKeyMap;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public Object getAnotherKey() {
+ return anotherKey;
+ }
+
+ public void from(KeyMap other) {
+ this.mapping = other.mapping;
+ this.anotherKey = other.anotherKey;
+ }
+
+ public Object getBound( CharSequence keySeq ) {
+ if (keySeq != null && keySeq.length() > 0) {
+ KeyMap map = this;
+ for (int i = 0; i < keySeq.length(); i++) {
+ char c = keySeq.charAt(i);
+ if (c > 255) {
+ return Operation.SELF_INSERT;
+ }
+ if (map.mapping[c] instanceof KeyMap) {
+ if (i == keySeq.length() - 1) {
+ return map.mapping[c];
+ } else {
+ map = (KeyMap) map.mapping[c];
+ }
+ } else {
+ return map.mapping[c];
+ }
+ }
+ }
+ return null;
+ }
+
+ public void bindIfNotBound( CharSequence keySeq, Object function ) {
+
+ bind (this, keySeq, function, true);
+ }
+
+ public void bind( CharSequence keySeq, Object function ) {
+
+ bind (this, keySeq, function, false);
+ }
+
+ private static void bind( KeyMap map, CharSequence keySeq, Object function ) {
+
+ bind (map, keySeq, function, false);
+ }
+
+ private static void bind( KeyMap map, CharSequence keySeq, Object function,
+ boolean onlyIfNotBound ) {
+
+ if (keySeq != null && keySeq.length() > 0) {
+ for (int i = 0; i < keySeq.length(); i++) {
+ char c = keySeq.charAt(i);
+ if (c >= map.mapping.length) {
+ return;
+ }
+ if (i < keySeq.length() - 1) {
+ if (!(map.mapping[c] instanceof KeyMap)) {
+ KeyMap m = new KeyMap("anonymous", false);
+ if (map.mapping[c] != Operation.DO_LOWERCASE_VERSION) {
+ m.anotherKey = map.mapping[c];
+ }
+ map.mapping[c] = m;
+ }
+ map = (KeyMap) map.mapping[c];
+ } else {
+ if (function == null) {
+ function = NULL_FUNCTION;
+ }
+ if (map.mapping[c] instanceof KeyMap) {
+ map.anotherKey = function;
+ } else {
+ Object op = map.mapping[c];
+ if (onlyIfNotBound == false
+ || op == null
+ || op == Operation.DO_LOWERCASE_VERSION
+ || op == Operation.VI_MOVEMENT_MODE ) {
+
+ }
+
+ map.mapping[c] = function;
+ }
+ }
+ }
+ }
+ }
+
+ public void setBlinkMatchingParen(boolean on) {
+ if (on) {
+ bind( "}", Operation.INSERT_CLOSE_CURLY );
+ bind( ")", Operation.INSERT_CLOSE_PAREN );
+ bind( "]", Operation.INSERT_CLOSE_SQUARE );
+ }
+ }
+
+ private static void bindArrowKeys(KeyMap map) {
+
+ // MS-DOS
+ bind( map, "\033[0A", Operation.PREVIOUS_HISTORY );
+ bind( map, "\033[0B", Operation.BACKWARD_CHAR );
+ bind( map, "\033[0C", Operation.FORWARD_CHAR );
+ bind( map, "\033[0D", Operation.NEXT_HISTORY );
+
+ // Windows
+ bind( map, "\340\000", Operation.KILL_WHOLE_LINE );
+ bind( map, "\340\107", Operation.BEGINNING_OF_LINE );
+ bind( map, "\340\110", Operation.PREVIOUS_HISTORY );
+ bind( map, "\340\111", Operation.BEGINNING_OF_HISTORY );
+ bind( map, "\340\113", Operation.BACKWARD_CHAR );
+ bind( map, "\340\115", Operation.FORWARD_CHAR );
+ bind( map, "\340\117", Operation.END_OF_LINE );
+ bind( map, "\340\120", Operation.NEXT_HISTORY );
+ bind( map, "\340\121", Operation.END_OF_HISTORY );
+ bind( map, "\340\122", Operation.OVERWRITE_MODE );
+ bind( map, "\340\123", Operation.DELETE_CHAR );
+
+ bind( map, "\000\107", Operation.BEGINNING_OF_LINE );
+ bind( map, "\000\110", Operation.PREVIOUS_HISTORY );
+ bind( map, "\000\111", Operation.BEGINNING_OF_HISTORY );
+ bind( map, "\000\110", Operation.PREVIOUS_HISTORY );
+ bind( map, "\000\113", Operation.BACKWARD_CHAR );
+ bind( map, "\000\115", Operation.FORWARD_CHAR );
+ bind( map, "\000\117", Operation.END_OF_LINE );
+ bind( map, "\000\120", Operation.NEXT_HISTORY );
+ bind( map, "\000\121", Operation.END_OF_HISTORY );
+ bind( map, "\000\122", Operation.OVERWRITE_MODE );
+ bind( map, "\000\123", Operation.DELETE_CHAR );
+
+ bind( map, "\033[A", Operation.PREVIOUS_HISTORY );
+ bind( map, "\033[B", Operation.NEXT_HISTORY );
+ bind( map, "\033[C", Operation.FORWARD_CHAR );
+ bind( map, "\033[D", Operation.BACKWARD_CHAR );
+ bind( map, "\033[H", Operation.BEGINNING_OF_LINE );
+ bind( map, "\033[F", Operation.END_OF_LINE );
+
+ bind( map, "\033OA", Operation.PREVIOUS_HISTORY );
+ bind( map, "\033OB", Operation.NEXT_HISTORY );
+ bind( map, "\033OC", Operation.FORWARD_CHAR );
+ bind( map, "\033OD", Operation.BACKWARD_CHAR );
+ bind( map, "\033OH", Operation.BEGINNING_OF_LINE );
+ bind( map, "\033OF", Operation.END_OF_LINE );
+
+ bind( map, "\033[1~", Operation.BEGINNING_OF_LINE);
+ bind( map, "\033[4~", Operation.END_OF_LINE);
+ bind( map, "\033[3~", Operation.DELETE_CHAR);
+
+ // MINGW32
+ bind( map, "\0340H", Operation.PREVIOUS_HISTORY );
+ bind( map, "\0340P", Operation.NEXT_HISTORY );
+ bind( map, "\0340M", Operation.FORWARD_CHAR );
+ bind( map, "\0340K", Operation.BACKWARD_CHAR );
+ }
+
+// public boolean isConvertMetaCharsToAscii() {
+// return convertMetaCharsToAscii;
+// }
+
+// public void setConvertMetaCharsToAscii(boolean convertMetaCharsToAscii) {
+// this.convertMetaCharsToAscii = convertMetaCharsToAscii;
+// }
+
+ public static boolean isMeta( char c ) {
+ return c > 0x7f && c <= 0xff;
+ }
+
+ public static char unMeta( char c ) {
+ return (char) (c & 0x7F);
+ }
+
+ public static char meta( char c ) {
+ return (char) (c | 0x80);
+ }
+
+ public static Map keyMaps() {
+ Map keyMaps = new HashMap();
+
+ KeyMap emacs = emacs();
+ bindArrowKeys(emacs);
+ keyMaps.put(EMACS, emacs);
+ keyMaps.put(EMACS_STANDARD, emacs);
+ keyMaps.put(EMACS_CTLX, (KeyMap) emacs.getBound("\u0018"));
+ keyMaps.put(EMACS_META, (KeyMap) emacs.getBound("\u001b"));
+
+ KeyMap viMov = viMovement();
+ bindArrowKeys(viMov);
+ keyMaps.put(VI_MOVE, viMov);
+ keyMaps.put("vi-command", viMov);
+
+ KeyMap viIns = viInsertion();
+ bindArrowKeys(viIns);
+ keyMaps.put(VI_INSERT, viIns);
+ keyMaps.put("vi", viIns);
+
+ return keyMaps;
+ }
+
+ public static KeyMap emacs() {
+ Object[] map = new Object[KEYMAP_LENGTH];
+ Object[] ctrl = new Object[] {
+ // Control keys.
+ Operation.SET_MARK, /* Control-@ */
+ Operation.BEGINNING_OF_LINE, /* Control-A */
+ Operation.BACKWARD_CHAR, /* Control-B */
+ Operation.INTERRUPT, /* Control-C */
+ Operation.EXIT_OR_DELETE_CHAR, /* Control-D */
+ Operation.END_OF_LINE, /* Control-E */
+ Operation.FORWARD_CHAR, /* Control-F */
+ Operation.ABORT, /* Control-G */
+ Operation.BACKWARD_DELETE_CHAR, /* Control-H */
+ Operation.COMPLETE, /* Control-I */
+ Operation.ACCEPT_LINE, /* Control-J */
+ Operation.KILL_LINE, /* Control-K */
+ Operation.CLEAR_SCREEN, /* Control-L */
+ Operation.ACCEPT_LINE, /* Control-M */
+ Operation.NEXT_HISTORY, /* Control-N */
+ null, /* Control-O */
+ Operation.PREVIOUS_HISTORY, /* Control-P */
+ Operation.QUOTED_INSERT, /* Control-Q */
+ Operation.REVERSE_SEARCH_HISTORY, /* Control-R */
+ Operation.FORWARD_SEARCH_HISTORY, /* Control-S */
+ Operation.TRANSPOSE_CHARS, /* Control-T */
+ Operation.UNIX_LINE_DISCARD, /* Control-U */
+ Operation.QUOTED_INSERT, /* Control-V */
+ Operation.UNIX_WORD_RUBOUT, /* Control-W */
+ emacsCtrlX(), /* Control-X */
+ Operation.YANK, /* Control-Y */
+ null, /* Control-Z */
+ emacsMeta(), /* Control-[ */
+ null, /* Control-\ */
+ Operation.CHARACTER_SEARCH, /* Control-] */
+ null, /* Control-^ */
+ Operation.UNDO, /* Control-_ */
+ };
+ System.arraycopy( ctrl, 0, map, 0, ctrl.length );
+ for (int i = 32; i < 256; i++) {
+ map[i] = Operation.SELF_INSERT;
+ }
+ map[DELETE] = Operation.BACKWARD_DELETE_CHAR;
+ return new KeyMap(EMACS, map, false);
+ }
+
+ public static final char CTRL_D = (char) 4;
+ public static final char CTRL_G = (char) 7;
+ public static final char CTRL_H = (char) 8;
+ public static final char CTRL_I = (char) 9;
+ public static final char CTRL_J = (char) 10;
+ public static final char CTRL_M = (char) 13;
+ public static final char CTRL_R = (char) 18;
+ public static final char CTRL_S = (char) 19;
+ public static final char CTRL_U = (char) 21;
+ public static final char CTRL_X = (char) 24;
+ public static final char CTRL_Y = (char) 25;
+ public static final char ESCAPE = (char) 27; /* Ctrl-[ */
+ public static final char CTRL_OB = (char) 27; /* Ctrl-[ */
+ public static final char CTRL_CB = (char) 29; /* Ctrl-] */
+
+ public static final int DELETE = (char) 127;
+
+ public static KeyMap emacsCtrlX() {
+ Object[] map = new Object[KEYMAP_LENGTH];
+ map[CTRL_G] = Operation.ABORT;
+ map[CTRL_R] = Operation.RE_READ_INIT_FILE;
+ map[CTRL_U] = Operation.UNDO;
+ map[CTRL_X] = Operation.EXCHANGE_POINT_AND_MARK;
+ map['('] = Operation.START_KBD_MACRO;
+ map[')'] = Operation.END_KBD_MACRO;
+ for (int i = 'A'; i <= 'Z'; i++) {
+ map[i] = Operation.DO_LOWERCASE_VERSION;
+ }
+ map['e'] = Operation.CALL_LAST_KBD_MACRO;
+ map[DELETE] = Operation.KILL_LINE;
+ return new KeyMap(EMACS_CTLX, map, false);
+ }
+
+ public static KeyMap emacsMeta() {
+ Object[] map = new Object[KEYMAP_LENGTH];
+ map[CTRL_G] = Operation.ABORT;
+ map[CTRL_H] = Operation.BACKWARD_KILL_WORD;
+ map[CTRL_I] = Operation.TAB_INSERT;
+ map[CTRL_J] = Operation.VI_EDITING_MODE;
+ map[CTRL_M] = Operation.VI_EDITING_MODE;
+ map[CTRL_R] = Operation.REVERT_LINE;
+ map[CTRL_Y] = Operation.YANK_NTH_ARG;
+ map[CTRL_OB] = Operation.COMPLETE;
+ map[CTRL_CB] = Operation.CHARACTER_SEARCH_BACKWARD;
+ map[' '] = Operation.SET_MARK;
+ map['#'] = Operation.INSERT_COMMENT;
+ map['&'] = Operation.TILDE_EXPAND;
+ map['*'] = Operation.INSERT_COMPLETIONS;
+ map['-'] = Operation.DIGIT_ARGUMENT;
+ map['.'] = Operation.YANK_LAST_ARG;
+ map['<'] = Operation.BEGINNING_OF_HISTORY;
+ map['='] = Operation.POSSIBLE_COMPLETIONS;
+ map['>'] = Operation.END_OF_HISTORY;
+ map['?'] = Operation.POSSIBLE_COMPLETIONS;
+ for (int i = 'A'; i <= 'Z'; i++) {
+ map[i] = Operation.DO_LOWERCASE_VERSION;
+ }
+ map['\\'] = Operation.DELETE_HORIZONTAL_SPACE;
+ map['_'] = Operation.YANK_LAST_ARG;
+ map['b'] = Operation.BACKWARD_WORD;
+ map['c'] = Operation.CAPITALIZE_WORD;
+ map['d'] = Operation.KILL_WORD;
+ map['f'] = Operation.FORWARD_WORD;
+ map['l'] = Operation.DOWNCASE_WORD;
+ map['p'] = Operation.NON_INCREMENTAL_REVERSE_SEARCH_HISTORY;
+ map['r'] = Operation.REVERT_LINE;
+ map['t'] = Operation.TRANSPOSE_WORDS;
+ map['u'] = Operation.UPCASE_WORD;
+ map['y'] = Operation.YANK_POP;
+ map['~'] = Operation.TILDE_EXPAND;
+ map[DELETE] = Operation.BACKWARD_KILL_WORD;
+ return new KeyMap(EMACS_META, map, false);
+ }
+
+ public static KeyMap viInsertion() {
+ Object[] map = new Object[KEYMAP_LENGTH];
+ Object[] ctrl = new Object[] {
+ // Control keys.
+ null, /* Control-@ */
+ Operation.SELF_INSERT, /* Control-A */
+ Operation.SELF_INSERT, /* Control-B */
+ Operation.SELF_INSERT, /* Control-C */
+ Operation.VI_EOF_MAYBE, /* Control-D */
+ Operation.SELF_INSERT, /* Control-E */
+ Operation.SELF_INSERT, /* Control-F */
+ Operation.SELF_INSERT, /* Control-G */
+ Operation.BACKWARD_DELETE_CHAR, /* Control-H */
+ Operation.COMPLETE, /* Control-I */
+ Operation.ACCEPT_LINE, /* Control-J */
+ Operation.SELF_INSERT, /* Control-K */
+ Operation.SELF_INSERT, /* Control-L */
+ Operation.ACCEPT_LINE, /* Control-M */
+ Operation.MENU_COMPLETE, /* Control-N */
+ Operation.SELF_INSERT, /* Control-O */
+ Operation.MENU_COMPLETE_BACKWARD, /* Control-P */
+ Operation.SELF_INSERT, /* Control-Q */
+ Operation.REVERSE_SEARCH_HISTORY, /* Control-R */
+ Operation.FORWARD_SEARCH_HISTORY, /* Control-S */
+ Operation.TRANSPOSE_CHARS, /* Control-T */
+ Operation.UNIX_LINE_DISCARD, /* Control-U */
+ Operation.QUOTED_INSERT, /* Control-V */
+ Operation.UNIX_WORD_RUBOUT, /* Control-W */
+ Operation.SELF_INSERT, /* Control-X */
+ Operation.YANK, /* Control-Y */
+ Operation.SELF_INSERT, /* Control-Z */
+ Operation.VI_MOVEMENT_MODE, /* Control-[ */
+ Operation.SELF_INSERT, /* Control-\ */
+ Operation.SELF_INSERT, /* Control-] */
+ Operation.SELF_INSERT, /* Control-^ */
+ Operation.UNDO, /* Control-_ */
+ };
+ System.arraycopy( ctrl, 0, map, 0, ctrl.length );
+ for (int i = 32; i < 256; i++) {
+ map[i] = Operation.SELF_INSERT;
+ }
+ map[DELETE] = Operation.BACKWARD_DELETE_CHAR;
+ return new KeyMap(VI_INSERT, map, false);
+ }
+
+ public static KeyMap viMovement() {
+ Object[] map = new Object[KEYMAP_LENGTH];
+ Object[] low = new Object[] {
+ // Control keys.
+ null, /* Control-@ */
+ null, /* Control-A */
+ null, /* Control-B */
+ Operation.INTERRUPT, /* Control-C */
+ /*
+ * ^D is supposed to move down half a screen. In bash
+ * appears to be ignored.
+ */
+ Operation.VI_EOF_MAYBE, /* Control-D */
+ Operation.EMACS_EDITING_MODE, /* Control-E */
+ null, /* Control-F */
+ Operation.ABORT, /* Control-G */
+ Operation.BACKWARD_CHAR, /* Control-H */
+ null, /* Control-I */
+ Operation.VI_MOVE_ACCEPT_LINE, /* Control-J */
+ Operation.KILL_LINE, /* Control-K */
+ Operation.CLEAR_SCREEN, /* Control-L */
+ Operation.VI_MOVE_ACCEPT_LINE, /* Control-M */
+ Operation.VI_NEXT_HISTORY, /* Control-N */
+ null, /* Control-O */
+ Operation.VI_PREVIOUS_HISTORY, /* Control-P */
+ /*
+ * My testing with readline is the ^Q is ignored.
+ * Maybe this should be null?
+ */
+ Operation.QUOTED_INSERT, /* Control-Q */
+
+ /*
+ * TODO - Very broken. While in forward/reverse
+ * history search the VI keyset should go out the
+ * window and we need to enter a very simple keymap.
+ */
+ Operation.REVERSE_SEARCH_HISTORY, /* Control-R */
+ /* TODO */
+ Operation.FORWARD_SEARCH_HISTORY, /* Control-S */
+ Operation.TRANSPOSE_CHARS, /* Control-T */
+ Operation.UNIX_LINE_DISCARD, /* Control-U */
+ /* TODO */
+ Operation.QUOTED_INSERT, /* Control-V */
+ Operation.UNIX_WORD_RUBOUT, /* Control-W */
+ null, /* Control-X */
+ /* TODO */
+ Operation.YANK, /* Control-Y */
+ null, /* Control-Z */
+ emacsMeta(), /* Control-[ */
+ null, /* Control-\ */
+ /* TODO */
+ Operation.CHARACTER_SEARCH, /* Control-] */
+ null, /* Control-^ */
+ /* TODO */
+ Operation.UNDO, /* Control-_ */
+ Operation.FORWARD_CHAR, /* SPACE */
+ null, /* ! */
+ null, /* " */
+ Operation.VI_INSERT_COMMENT, /* # */
+ Operation.END_OF_LINE, /* $ */
+ Operation.VI_MATCH, /* % */
+ Operation.VI_TILDE_EXPAND, /* & */
+ null, /* ' */
+ null, /* ( */
+ null, /* ) */
+ /* TODO */
+ Operation.VI_COMPLETE, /* * */
+ Operation.VI_NEXT_HISTORY, /* + */
+ Operation.VI_CHAR_SEARCH, /* , */
+ Operation.VI_PREVIOUS_HISTORY, /* - */
+ /* TODO */
+ Operation.VI_REDO, /* . */
+ Operation.VI_SEARCH, /* / */
+ Operation.VI_BEGNNING_OF_LINE_OR_ARG_DIGIT, /* 0 */
+ Operation.VI_ARG_DIGIT, /* 1 */
+ Operation.VI_ARG_DIGIT, /* 2 */
+ Operation.VI_ARG_DIGIT, /* 3 */
+ Operation.VI_ARG_DIGIT, /* 4 */
+ Operation.VI_ARG_DIGIT, /* 5 */
+ Operation.VI_ARG_DIGIT, /* 6 */
+ Operation.VI_ARG_DIGIT, /* 7 */
+ Operation.VI_ARG_DIGIT, /* 8 */
+ Operation.VI_ARG_DIGIT, /* 9 */
+ null, /* : */
+ Operation.VI_CHAR_SEARCH, /* ; */
+ null, /* < */
+ Operation.VI_COMPLETE, /* = */
+ null, /* > */
+ Operation.VI_SEARCH, /* ? */
+ null, /* @ */
+ Operation.VI_APPEND_EOL, /* A */
+ Operation.VI_PREV_WORD, /* B */
+ Operation.VI_CHANGE_TO_EOL, /* C */
+ Operation.VI_DELETE_TO_EOL, /* D */
+ Operation.VI_END_WORD, /* E */
+ Operation.VI_CHAR_SEARCH, /* F */
+ /* I need to read up on what this does */
+ Operation.VI_FETCH_HISTORY, /* G */
+ null, /* H */
+ Operation.VI_INSERT_BEG, /* I */
+ null, /* J */
+ null, /* K */
+ null, /* L */
+ null, /* M */
+ Operation.VI_SEARCH_AGAIN, /* N */
+ null, /* O */
+ Operation.VI_PUT, /* P */
+ null, /* Q */
+ /* TODO */
+ Operation.VI_REPLACE, /* R */
+ Operation.VI_KILL_WHOLE_LINE, /* S */
+ Operation.VI_CHAR_SEARCH, /* T */
+ /* TODO */
+ Operation.REVERT_LINE, /* U */
+ null, /* V */
+ Operation.VI_NEXT_WORD, /* W */
+ Operation.VI_RUBOUT, /* X */
+ Operation.VI_YANK_TO, /* Y */
+ null, /* Z */
+ null, /* [ */
+ Operation.VI_COMPLETE, /* \ */
+ null, /* ] */
+ Operation.VI_FIRST_PRINT, /* ^ */
+ Operation.VI_YANK_ARG, /* _ */
+ Operation.VI_GOTO_MARK, /* ` */
+ Operation.VI_APPEND_MODE, /* a */
+ Operation.VI_PREV_WORD, /* b */
+ Operation.VI_CHANGE_TO, /* c */
+ Operation.VI_DELETE_TO, /* d */
+ Operation.VI_END_WORD, /* e */
+ Operation.VI_CHAR_SEARCH, /* f */
+ null, /* g */
+ Operation.BACKWARD_CHAR, /* h */
+ Operation.VI_INSERTION_MODE, /* i */
+ Operation.NEXT_HISTORY, /* j */
+ Operation.PREVIOUS_HISTORY, /* k */
+ Operation.FORWARD_CHAR, /* l */
+ Operation.VI_SET_MARK, /* m */
+ Operation.VI_SEARCH_AGAIN, /* n */
+ null, /* o */
+ Operation.VI_PUT, /* p */
+ null, /* q */
+ Operation.VI_CHANGE_CHAR, /* r */
+ Operation.VI_SUBST, /* s */
+ Operation.VI_CHAR_SEARCH, /* t */
+ Operation.UNDO, /* u */
+ null, /* v */
+ Operation.VI_NEXT_WORD, /* w */
+ Operation.VI_DELETE, /* x */
+ Operation.VI_YANK_TO, /* y */
+ null, /* z */
+ null, /* { */
+ Operation.VI_COLUMN, /* | */
+ null, /* } */
+ Operation.VI_CHANGE_CASE, /* ~ */
+ Operation.VI_DELETE /* DEL */
+ };
+ System.arraycopy( low, 0, map, 0, low.length );
+ for (int i = 128; i < 256; i++) {
+ map[i] = null;
+ }
+ return new KeyMap(VI_MOVE, map, false);
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/KillRing.java 2015-06-18 03:05:15.352885961 -0700
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2002-2013, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+/**
+ * The kill ring class keeps killed text in a fixed size ring. In this
+ * class we also keep record of whether or not the last command was a
+ * kill or a yank. Depending on this, the class may behave
+ * different. For instance, two consecutive kill-word commands fill
+ * the same slot such that the next yank will return the two
+ * previously killed words instead that only the last one. Likewise
+ * yank pop requires that the previous command was either a yank or a
+ * yank-pop.
+ */
+public final class KillRing {
+
+ /**
+ * Default size is 60, like in emacs.
+ */
+ private static final int DEFAULT_SIZE = 60;
+
+ private final String[] slots;
+ private int head = 0;
+ private boolean lastKill = false;
+ private boolean lastYank = false;
+
+ /**
+ * Creates a new kill ring of the given size.
+ */
+ public KillRing(int size) {
+ slots = new String[size];
+ }
+
+ /**
+ * Creates a new kill ring of the default size. {@see DEFAULT_SIZE}.
+ */
+ public KillRing() {
+ this(DEFAULT_SIZE);
+ }
+
+ /**
+ * Resets the last-yank state.
+ */
+ public void resetLastYank() {
+ lastYank = false;
+ }
+
+ /**
+ * Resets the last-kill state.
+ */
+ public void resetLastKill() {
+ lastKill = false;
+ }
+
+ /**
+ * Returns {@code true} if the last command was a yank.
+ */
+ public boolean lastYank() {
+ return lastYank;
+ }
+
+ /**
+ * Adds the string to the kill-ring. Also sets lastYank to false
+ * and lastKill to true.
+ */
+ public void add(String str) {
+ lastYank = false;
+
+ if (lastKill) {
+ if (slots[head] != null) {
+ slots[head] += str;
+ return;
+ }
+ }
+
+ lastKill = true;
+ next();
+ slots[head] = str;
+ }
+
+ /**
+ * Adds the string to the kill-ring product of killing
+ * backwards. If the previous command was a kill text one then
+ * adds the text at the beginning of the previous kill to avoid
+ * that two consecutive backwards kills followed by a yank leaves
+ * things reversed.
+ */
+ public void addBackwards(String str) {
+ lastYank = false;
+
+ if (lastKill) {
+ if (slots[head] != null) {
+ slots[head] = str + slots[head];
+ return;
+ }
+ }
+
+ lastKill = true;
+ next();
+ slots[head] = str;
+ }
+
+ /**
+ * Yanks a previously killed text. Returns {@code null} if the
+ * ring is empty.
+ */
+ public String yank() {
+ lastKill = false;
+ lastYank = true;
+ return slots[head];
+ }
+
+ /**
+ * Moves the pointer to the current slot back and returns the text
+ * in that position. If the previous command was not yank returns
+ * null.
+ */
+ public String yankPop() {
+ lastKill = false;
+ if (lastYank) {
+ prev();
+ return slots[head];
+ }
+ return null;
+ }
+
+ /**
+ * Moves the pointer to the current slot forward. If the end of
+ * the slots is reached then points back to the beginning.
+ */
+ private void next() {
+ if (head == 0 && slots[0] == null) {
+ return;
+ }
+ head++;
+ if (head == slots.length) {
+ head = 0;
+ }
+ }
+
+ /**
+ * Moves the pointer to the current slot backwards. If the
+ * beginning of the slots is reached then traverses the slot
+ * backwards until one with not null content is found.
+ */
+ private void prev() {
+ head--;
+ if (head == -1) {
+ int x = (slots.length - 1);
+ for (; x >= 0; x--) {
+ if (slots[x] != null) {
+ break;
+ }
+ }
+ head = x;
+ }
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/Operation.java 2015-06-18 03:05:15.851889573 -0700
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+/**
+ * List of all operations.
+ *
+ * @author Guillaume Nodet
+ * @since 2.6
+ */
+public enum Operation {
+
+ ABORT,
+ ACCEPT_LINE,
+ ARROW_KEY_PREFIX,
+ BACKWARD_BYTE,
+ BACKWARD_CHAR,
+ BACKWARD_DELETE_CHAR,
+ BACKWARD_KILL_LINE,
+ BACKWARD_KILL_WORD,
+ BACKWARD_WORD,
+ BEGINNING_OF_HISTORY,
+ BEGINNING_OF_LINE,
+ CALL_LAST_KBD_MACRO,
+ CAPITALIZE_WORD,
+ CHARACTER_SEARCH,
+ CHARACTER_SEARCH_BACKWARD,
+ CLEAR_SCREEN,
+ COMPLETE,
+ COPY_BACKWARD_WORD,
+ COPY_FORWARD_WORD,
+ COPY_REGION_AS_KILL,
+ DELETE_CHAR,
+ DELETE_CHAR_OR_LIST,
+ DELETE_HORIZONTAL_SPACE,
+ DIGIT_ARGUMENT,
+ DO_LOWERCASE_VERSION,
+ DOWNCASE_WORD,
+ DUMP_FUNCTIONS,
+ DUMP_MACROS,
+ DUMP_VARIABLES,
+ EMACS_EDITING_MODE,
+ END_KBD_MACRO,
+ END_OF_HISTORY,
+ END_OF_LINE,
+ EXCHANGE_POINT_AND_MARK,
+ EXIT_OR_DELETE_CHAR,
+ FORWARD_BACKWARD_DELETE_CHAR,
+ FORWARD_BYTE,
+ FORWARD_CHAR,
+ FORWARD_SEARCH_HISTORY,
+ FORWARD_WORD,
+ HISTORY_SEARCH_BACKWARD,
+ HISTORY_SEARCH_FORWARD,
+ INSERT_CLOSE_CURLY,
+ INSERT_CLOSE_PAREN,
+ INSERT_CLOSE_SQUARE,
+ INSERT_COMMENT,
+ INSERT_COMPLETIONS,
+ INTERRUPT,
+ KILL_WHOLE_LINE,
+ KILL_LINE,
+ KILL_REGION,
+ KILL_WORD,
+ MENU_COMPLETE,
+ MENU_COMPLETE_BACKWARD,
+ NEXT_HISTORY,
+ NON_INCREMENTAL_FORWARD_SEARCH_HISTORY,
+ NON_INCREMENTAL_REVERSE_SEARCH_HISTORY,
+ NON_INCREMENTAL_FORWARD_SEARCH_HISTORY_AGAIN,
+ NON_INCREMENTAL_REVERSE_SEARCH_HISTORY_AGAIN,
+ OLD_MENU_COMPLETE,
+ OVERWRITE_MODE,
+ PASTE_FROM_CLIPBOARD,
+ POSSIBLE_COMPLETIONS,
+ PREVIOUS_HISTORY,
+ QUOTED_INSERT,
+ RE_READ_INIT_FILE,
+ REDRAW_CURRENT_LINE,
+ REVERSE_SEARCH_HISTORY,
+ REVERT_LINE,
+ SELF_INSERT,
+ SET_MARK,
+ SKIP_CSI_SEQUENCE,
+ START_KBD_MACRO,
+ TAB_INSERT,
+ TILDE_EXPAND,
+ TRANSPOSE_CHARS,
+ TRANSPOSE_WORDS,
+ TTY_STATUS,
+ UNDO,
+ UNIVERSAL_ARGUMENT,
+ UNIX_FILENAME_RUBOUT,
+ UNIX_LINE_DISCARD,
+ UNIX_WORD_RUBOUT,
+ UPCASE_WORD,
+ YANK,
+ YANK_LAST_ARG,
+ YANK_NTH_ARG,
+ YANK_POP,
+ VI_APPEND_EOL,
+ VI_APPEND_MODE,
+ VI_ARG_DIGIT,
+ VI_BACK_TO_INDENT,
+ VI_BACKWARD_BIGWORD,
+ VI_BACKWARD_WORD,
+ VI_BWORD,
+ VI_CHANGE_CASE,
+ VI_CHANGE_CHAR,
+ VI_CHANGE_TO,
+ VI_CHANGE_TO_EOL,
+ VI_CHAR_SEARCH,
+ VI_COLUMN,
+ VI_COMPLETE,
+ VI_DELETE,
+ VI_DELETE_TO,
+ VI_DELETE_TO_EOL,
+ VI_EDITING_MODE,
+ VI_END_BIGWORD,
+ VI_END_WORD,
+ VI_EOF_MAYBE,
+ VI_EWORD,
+ VI_FWORD,
+ VI_FETCH_HISTORY,
+ VI_FIRST_PRINT,
+ VI_FORWARD_BIGWORD,
+ VI_FORWARD_WORD,
+ VI_GOTO_MARK,
+ VI_INSERT_BEG,
+ VI_INSERTION_MODE,
+ VI_KILL_WHOLE_LINE,
+ VI_MATCH,
+ VI_MOVEMENT_MODE,
+ VI_NEXT_WORD,
+ VI_OVERSTRIKE,
+ VI_OVERSTRIKE_DELETE,
+ VI_PREV_WORD,
+ VI_PUT,
+ VI_REDO,
+ VI_REPLACE,
+ VI_RUBOUT,
+ VI_SEARCH,
+ VI_SEARCH_AGAIN,
+ VI_SET_MARK,
+ VI_SUBST,
+ VI_TILDE_EXPAND,
+ VI_YANK_ARG,
+ VI_YANK_TO,
+ VI_MOVE_ACCEPT_LINE,
+ VI_NEXT_HISTORY,
+ VI_PREVIOUS_HISTORY,
+ VI_INSERT_COMMENT,
+ VI_BEGNNING_OF_LINE_OR_ARG_DIGIT,
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/UserInterruptException.java 2015-06-18 03:05:16.355893220 -0700
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console;
+
+/**
+ * This exception is thrown by {@link ConsoleReader#readLine} when
+ * user interrupt handling is enabled and the user types the
+ * interrupt character (ctrl-C). The partially entered line is
+ * available via the {@link #getPartialLine()} method.
+ */
+public class UserInterruptException
+ extends RuntimeException
+{
+ private final String partialLine;
+
+ public UserInterruptException(String partialLine)
+ {
+ this.partialLine = partialLine;
+ }
+
+ /**
+ * @return the partially entered line when ctrl-C was pressed
+ */
+ public String getPartialLine()
+ {
+ return partialLine;
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/AggregateCompleter.java 2015-06-18 03:05:16.883897040 -0700
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Completer which contains multiple completers and aggregates them together.
+ *
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class AggregateCompleter
+ implements Completer
+{
+ private final List completers = new ArrayList();
+
+ public AggregateCompleter() {
+ // empty
+ }
+
+ /**
+ * Construct an AggregateCompleter with the given collection of completers.
+ * The completers will be used in the iteration order of the collection.
+ *
+ * @param completers the collection of completers
+ */
+ public AggregateCompleter(final Collection completers) {
+ checkNotNull(completers);
+ this.completers.addAll(completers);
+ }
+
+ /**
+ * Construct an AggregateCompleter with the given completers.
+ * The completers will be used in the order given.
+ *
+ * @param completers the completers
+ */
+ public AggregateCompleter(final Completer... completers) {
+ this(Arrays.asList(completers));
+ }
+
+ /**
+ * Retrieve the collection of completers currently being aggregated.
+ *
+ * @return the aggregated completers
+ */
+ public Collection getCompleters() {
+ return completers;
+ }
+
+ /**
+ * Perform a completion operation across all aggregated completers.
+ *
+ * @see Completer#complete(String, int, java.util.List)
+ * @return the highest completion return value from all completers
+ */
+ public int complete(final String buffer, final int cursor, final List candidates) {
+ // buffer could be null
+ checkNotNull(candidates);
+
+ List completions = new ArrayList(completers.size());
+
+ // Run each completer, saving its completion results
+ int max = -1;
+ for (Completer completer : completers) {
+ Completion completion = new Completion(candidates);
+ completion.complete(completer, buffer, cursor);
+
+ // Compute the max cursor position
+ max = Math.max(max, completion.cursor);
+
+ completions.add(completion);
+ }
+
+ // Append candidates from completions which have the same cursor position as max
+ for (Completion completion : completions) {
+ if (completion.cursor == max) {
+ candidates.addAll(completion.candidates);
+ }
+ }
+
+ return max;
+ }
+
+ /**
+ * @return a string representing the aggregated completers
+ */
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "{" +
+ "completers=" + completers +
+ '}';
+ }
+
+ private class Completion
+ {
+ public final List candidates;
+
+ public int cursor;
+
+ public Completion(final List candidates) {
+ checkNotNull(candidates);
+ this.candidates = new LinkedList(candidates);
+ }
+
+ public void complete(final Completer completer, final String buffer, final int cursor) {
+ checkNotNull(completer);
+ this.cursor = completer.complete(buffer, cursor, candidates);
+ }
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/ArgumentCompleter.java 2015-06-18 03:05:17.381900642 -0700
@@ -0,0 +1,461 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import jline.internal.Log;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * A {@link Completer} implementation that invokes a child completer using the appropriate separator argument.
+ * This can be used instead of the individual completers having to know about argument parsing semantics.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class ArgumentCompleter
+ implements Completer
+{
+ private final ArgumentDelimiter delimiter;
+
+ private final List completers = new ArrayList();
+
+ private boolean strict = true;
+
+ /**
+ * Create a new completer with the specified argument delimiter.
+ *
+ * @param delimiter The delimiter for parsing arguments
+ * @param completers The embedded completers
+ */
+ public ArgumentCompleter(final ArgumentDelimiter delimiter, final Collection completers) {
+ this.delimiter = checkNotNull(delimiter);
+ checkNotNull(completers);
+ this.completers.addAll(completers);
+ }
+
+ /**
+ * Create a new completer with the specified argument delimiter.
+ *
+ * @param delimiter The delimiter for parsing arguments
+ * @param completers The embedded completers
+ */
+ public ArgumentCompleter(final ArgumentDelimiter delimiter, final Completer... completers) {
+ this(delimiter, Arrays.asList(completers));
+ }
+
+ /**
+ * Create a new completer with the default {@link WhitespaceArgumentDelimiter}.
+ *
+ * @param completers The embedded completers
+ */
+ public ArgumentCompleter(final Completer... completers) {
+ this(new WhitespaceArgumentDelimiter(), completers);
+ }
+
+ /**
+ * Create a new completer with the default {@link WhitespaceArgumentDelimiter}.
+ *
+ * @param completers The embedded completers
+ */
+ public ArgumentCompleter(final List completers) {
+ this(new WhitespaceArgumentDelimiter(), completers);
+ }
+
+ /**
+ * If true, a completion at argument index N will only succeed
+ * if all the completions from 0-(N-1) also succeed.
+ */
+ public void setStrict(final boolean strict) {
+ this.strict = strict;
+ }
+
+ /**
+ * Returns whether a completion at argument index N will success
+ * if all the completions from arguments 0-(N-1) also succeed.
+ *
+ * @return True if strict.
+ * @since 2.3
+ */
+ public boolean isStrict() {
+ return this.strict;
+ }
+
+ /**
+ * @since 2.3
+ */
+ public ArgumentDelimiter getDelimiter() {
+ return delimiter;
+ }
+
+ /**
+ * @since 2.3
+ */
+ public List getCompleters() {
+ return completers;
+ }
+
+ public int complete(final String buffer, final int cursor, final List candidates) {
+ // buffer can be null
+ checkNotNull(candidates);
+
+ ArgumentDelimiter delim = getDelimiter();
+ ArgumentList list = delim.delimit(buffer, cursor);
+ int argpos = list.getArgumentPosition();
+ int argIndex = list.getCursorArgumentIndex();
+
+ if (argIndex < 0) {
+ return -1;
+ }
+
+ List completers = getCompleters();
+ Completer completer;
+
+ // if we are beyond the end of the completers, just use the last one
+ if (argIndex >= completers.size()) {
+ completer = completers.get(completers.size() - 1);
+ }
+ else {
+ completer = completers.get(argIndex);
+ }
+
+ // ensure that all the previous completers are successful before allowing this completer to pass (only if strict).
+ for (int i = 0; isStrict() && (i < argIndex); i++) {
+ Completer sub = completers.get(i >= completers.size() ? (completers.size() - 1) : i);
+ String[] args = list.getArguments();
+ String arg = (args == null || i >= args.length) ? "" : args[i];
+
+ List subCandidates = new LinkedList();
+
+ if (sub.complete(arg, arg.length(), subCandidates) == -1) {
+ return -1;
+ }
+
+ if (subCandidates.size() == 0) {
+ return -1;
+ }
+ }
+
+ int ret = completer.complete(list.getCursorArgument(), argpos, candidates);
+
+ if (ret == -1) {
+ return -1;
+ }
+
+ int pos = ret + list.getBufferPosition() - argpos;
+
+ // Special case: when completing in the middle of a line, and the area under the cursor is a delimiter,
+ // then trim any delimiters from the candidates, since we do not need to have an extra delimiter.
+ //
+ // E.g., if we have a completion for "foo", and we enter "f bar" into the buffer, and move to after the "f"
+ // and hit TAB, we want "foo bar" instead of "foo bar".
+
+ if ((cursor != buffer.length()) && delim.isDelimiter(buffer, cursor)) {
+ for (int i = 0; i < candidates.size(); i++) {
+ CharSequence val = candidates.get(i);
+
+ while (val.length() > 0 && delim.isDelimiter(val, val.length() - 1)) {
+ val = val.subSequence(0, val.length() - 1);
+ }
+
+ candidates.set(i, val);
+ }
+ }
+
+ Log.trace("Completing ", buffer, " (pos=", cursor, ") with: ", candidates, ": offset=", pos);
+
+ return pos;
+ }
+
+ /**
+ * The {@link ArgumentCompleter.ArgumentDelimiter} allows custom breaking up of a {@link String} into individual
+ * arguments in order to dispatch the arguments to the nested {@link Completer}.
+ *
+ * @author Marc Prud'hommeaux
+ */
+ public static interface ArgumentDelimiter
+ {
+ /**
+ * Break the specified buffer into individual tokens that can be completed on their own.
+ *
+ * @param buffer The buffer to split
+ * @param pos The current position of the cursor in the buffer
+ * @return The tokens
+ */
+ ArgumentList delimit(CharSequence buffer, int pos);
+
+ /**
+ * Returns true if the specified character is a whitespace parameter.
+ *
+ * @param buffer The complete command buffer
+ * @param pos The index of the character in the buffer
+ * @return True if the character should be a delimiter
+ */
+ boolean isDelimiter(CharSequence buffer, int pos);
+ }
+
+ /**
+ * Abstract implementation of a delimiter that uses the {@link #isDelimiter} method to determine if a particular
+ * character should be used as a delimiter.
+ *
+ * @author Marc Prud'hommeaux
+ */
+ public abstract static class AbstractArgumentDelimiter
+ implements ArgumentDelimiter
+ {
+ private char[] quoteChars = {'\'', '"'};
+
+ private char[] escapeChars = {'\\'};
+
+ public void setQuoteChars(final char[] chars) {
+ this.quoteChars = chars;
+ }
+
+ public char[] getQuoteChars() {
+ return this.quoteChars;
+ }
+
+ public void setEscapeChars(final char[] chars) {
+ this.escapeChars = chars;
+ }
+
+ public char[] getEscapeChars() {
+ return this.escapeChars;
+ }
+
+ public ArgumentList delimit(final CharSequence buffer, final int cursor) {
+ List args = new LinkedList();
+ StringBuilder arg = new StringBuilder();
+ int argpos = -1;
+ int bindex = -1;
+ int quoteStart = -1;
+
+ for (int i = 0; (buffer != null) && (i < buffer.length()); i++) {
+ // once we reach the cursor, set the
+ // position of the selected index
+ if (i == cursor) {
+ bindex = args.size();
+ // the position in the current argument is just the
+ // length of the current argument
+ argpos = arg.length();
+ }
+
+ if (quoteStart < 0 && isQuoteChar(buffer, i)) {
+ // Start a quote block
+ quoteStart = i;
+ } else if (quoteStart >= 0) {
+ // In a quote block
+ if (buffer.charAt(quoteStart) == buffer.charAt(i) && !isEscaped(buffer, i)) {
+ // End the block; arg could be empty, but that's fine
+ args.add(arg.toString());
+ arg.setLength(0);
+ quoteStart = -1;
+ } else if (!isEscapeChar(buffer, i)) {
+ // Take the next character
+ arg.append(buffer.charAt(i));
+ }
+ } else {
+ // Not in a quote block
+ if (isDelimiter(buffer, i)) {
+ if (arg.length() > 0) {
+ args.add(arg.toString());
+ arg.setLength(0); // reset the arg
+ }
+ } else if (!isEscapeChar(buffer, i)) {
+ arg.append(buffer.charAt(i));
+ }
+ }
+ }
+
+ if (cursor == buffer.length()) {
+ bindex = args.size();
+ // the position in the current argument is just the
+ // length of the current argument
+ argpos = arg.length();
+ }
+ if (arg.length() > 0) {
+ args.add(arg.toString());
+ }
+
+ return new ArgumentList(args.toArray(new String[args.size()]), bindex, argpos, cursor);
+ }
+
+ /**
+ * Returns true if the specified character is a whitespace parameter. Check to ensure that the character is not
+ * escaped by any of {@link #getQuoteChars}, and is not escaped by ant of the {@link #getEscapeChars}, and
+ * returns true from {@link #isDelimiterChar}.
+ *
+ * @param buffer The complete command buffer
+ * @param pos The index of the character in the buffer
+ * @return True if the character should be a delimiter
+ */
+ public boolean isDelimiter(final CharSequence buffer, final int pos) {
+ return !isQuoted(buffer, pos) && !isEscaped(buffer, pos) && isDelimiterChar(buffer, pos);
+ }
+
+ public boolean isQuoted(final CharSequence buffer, final int pos) {
+ return false;
+ }
+
+ public boolean isQuoteChar(final CharSequence buffer, final int pos) {
+ if (pos < 0) {
+ return false;
+ }
+
+ for (int i = 0; (quoteChars != null) && (i < quoteChars.length); i++) {
+ if (buffer.charAt(pos) == quoteChars[i]) {
+ return !isEscaped(buffer, pos);
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if this character is a valid escape char (i.e. one that has not been escaped)
+ *
+ * @param buffer
+ * @param pos
+ * @return
+ */
+ public boolean isEscapeChar(final CharSequence buffer, final int pos) {
+ if (pos < 0) {
+ return false;
+ }
+
+ for (int i = 0; (escapeChars != null) && (i < escapeChars.length); i++) {
+ if (buffer.charAt(pos) == escapeChars[i]) {
+ return !isEscaped(buffer, pos); // escape escape
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if a character is escaped (i.e. if the previous character is an escape)
+ *
+ * @param buffer
+ * the buffer to check in
+ * @param pos
+ * the position of the character to check
+ * @return true if the character at the specified position in the given buffer is an escape character and the character immediately preceding it is not an
+ * escape character.
+ */
+ public boolean isEscaped(final CharSequence buffer, final int pos) {
+ if (pos <= 0) {
+ return false;
+ }
+
+ return isEscapeChar(buffer, pos - 1);
+ }
+
+ /**
+ * Returns true if the character at the specified position if a delimiter. This method will only be called if
+ * the character is not enclosed in any of the {@link #getQuoteChars}, and is not escaped by ant of the
+ * {@link #getEscapeChars}. To perform escaping manually, override {@link #isDelimiter} instead.
+ */
+ public abstract boolean isDelimiterChar(CharSequence buffer, int pos);
+ }
+
+ /**
+ * {@link ArgumentCompleter.ArgumentDelimiter} implementation that counts all whitespace (as reported by
+ * {@link Character#isWhitespace}) as being a delimiter.
+ *
+ * @author Marc Prud'hommeaux
+ */
+ public static class WhitespaceArgumentDelimiter
+ extends AbstractArgumentDelimiter
+ {
+ /**
+ * The character is a delimiter if it is whitespace, and the
+ * preceding character is not an escape character.
+ */
+ @Override
+ public boolean isDelimiterChar(final CharSequence buffer, final int pos) {
+ return Character.isWhitespace(buffer.charAt(pos));
+ }
+ }
+
+ /**
+ * The result of a delimited buffer.
+ *
+ * @author Marc Prud'hommeaux
+ */
+ public static class ArgumentList
+ {
+ private String[] arguments;
+
+ private int cursorArgumentIndex;
+
+ private int argumentPosition;
+
+ private int bufferPosition;
+
+ /**
+ * @param arguments The array of tokens
+ * @param cursorArgumentIndex The token index of the cursor
+ * @param argumentPosition The position of the cursor in the current token
+ * @param bufferPosition The position of the cursor in the whole buffer
+ */
+ public ArgumentList(final String[] arguments, final int cursorArgumentIndex, final int argumentPosition, final int bufferPosition) {
+ this.arguments = checkNotNull(arguments);
+ this.cursorArgumentIndex = cursorArgumentIndex;
+ this.argumentPosition = argumentPosition;
+ this.bufferPosition = bufferPosition;
+ }
+
+ public void setCursorArgumentIndex(final int i) {
+ this.cursorArgumentIndex = i;
+ }
+
+ public int getCursorArgumentIndex() {
+ return this.cursorArgumentIndex;
+ }
+
+ public String getCursorArgument() {
+ if ((cursorArgumentIndex < 0) || (cursorArgumentIndex >= arguments.length)) {
+ return null;
+ }
+
+ return arguments[cursorArgumentIndex];
+ }
+
+ public void setArgumentPosition(final int pos) {
+ this.argumentPosition = pos;
+ }
+
+ public int getArgumentPosition() {
+ return this.argumentPosition;
+ }
+
+ public void setArguments(final String[] arguments) {
+ this.arguments = arguments;
+ }
+
+ public String[] getArguments() {
+ return this.arguments;
+ }
+
+ public void setBufferPosition(final int pos) {
+ this.bufferPosition = pos;
+ }
+
+ public int getBufferPosition() {
+ return this.bufferPosition;
+ }
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/CandidateListCompletionHandler.java 2015-06-18 03:05:17.856904080 -0700
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import jline.console.ConsoleReader;
+import jline.console.CursorBuffer;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import java.util.Set;
+
+/**
+ * A {@link CompletionHandler} that deals with multiple distinct completions
+ * by outputting the complete list of possibilities to the console. This
+ * mimics the behavior of the
+ * readline library.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class CandidateListCompletionHandler
+ implements CompletionHandler
+{
+ // TODO: handle quotes and escaped quotes && enable automatic escaping of whitespace
+
+ public boolean complete(final ConsoleReader reader, final List candidates, final int pos) throws
+ IOException
+ {
+ CursorBuffer buf = reader.getCursorBuffer();
+
+ // if there is only one completion, then fill in the buffer
+ if (candidates.size() == 1) {
+ CharSequence value = candidates.get(0);
+
+ // fail if the only candidate is the same as the current buffer
+ if (value.equals(buf.toString())) {
+ return false;
+ }
+
+ setBuffer(reader, value, pos);
+
+ return true;
+ }
+ else if (candidates.size() > 1) {
+ String value = getUnambiguousCompletions(candidates);
+ setBuffer(reader, value, pos);
+ }
+
+ printCandidates(reader, candidates);
+
+ // redraw the current console buffer
+ reader.drawLine();
+
+ return true;
+ }
+
+ public static void setBuffer(final ConsoleReader reader, final CharSequence value, final int offset) throws
+ IOException
+ {
+ while ((reader.getCursorBuffer().cursor > offset) && reader.backspace()) {
+ // empty
+ }
+
+ reader.putString(value);
+ reader.setCursorPosition(offset + value.length());
+ }
+
+ /**
+ * Print out the candidates. If the size of the candidates is greater than the
+ * {@link ConsoleReader#getAutoprintThreshold}, they prompt with a warning.
+ *
+ * @param candidates the list of candidates to print
+ */
+ public static void printCandidates(final ConsoleReader reader, Collection candidates) throws
+ IOException
+ {
+ Set distinct = new HashSet(candidates);
+
+ if (distinct.size() > reader.getAutoprintThreshold()) {
+ //noinspection StringConcatenation
+ reader.print(Messages.DISPLAY_CANDIDATES.format(candidates.size()));
+ reader.flush();
+
+ int c;
+
+ String noOpt = Messages.DISPLAY_CANDIDATES_NO.format();
+ String yesOpt = Messages.DISPLAY_CANDIDATES_YES.format();
+ char[] allowed = {yesOpt.charAt(0), noOpt.charAt(0)};
+
+ while ((c = reader.readCharacter(allowed)) != -1) {
+ String tmp = new String(new char[]{(char) c});
+
+ if (noOpt.startsWith(tmp)) {
+ reader.println();
+ return;
+ }
+ else if (yesOpt.startsWith(tmp)) {
+ break;
+ }
+ else {
+ reader.beep();
+ }
+ }
+ }
+
+ // copy the values and make them distinct, without otherwise affecting the ordering. Only do it if the sizes differ.
+ if (distinct.size() != candidates.size()) {
+ Collection copy = new ArrayList();
+
+ for (CharSequence next : candidates) {
+ if (!copy.contains(next)) {
+ copy.add(next);
+ }
+ }
+
+ candidates = copy;
+ }
+
+ reader.println();
+ reader.printColumns(candidates);
+ }
+
+ /**
+ * Returns a root that matches all the {@link String} elements of the specified {@link List},
+ * or null if there are no commonalities. For example, if the list contains
+ * foobar, foobaz, foobuz, the method will return foob.
+ */
+ private String getUnambiguousCompletions(final List candidates) {
+ if (candidates == null || candidates.isEmpty()) {
+ return null;
+ }
+
+ // convert to an array for speed
+ String[] strings = candidates.toArray(new String[candidates.size()]);
+
+ String first = strings[0];
+ StringBuilder candidate = new StringBuilder();
+
+ for (int i = 0; i < first.length(); i++) {
+ if (startsWith(first.substring(0, i + 1), strings)) {
+ candidate.append(first.charAt(i));
+ }
+ else {
+ break;
+ }
+ }
+
+ return candidate.toString();
+ }
+
+ /**
+ * @return true is all the elements of candidates start with starts
+ */
+ private boolean startsWith(final String starts, final String[] candidates) {
+ for (String candidate : candidates) {
+ if (!candidate.startsWith(starts)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ private static enum Messages
+ {
+ DISPLAY_CANDIDATES,
+ DISPLAY_CANDIDATES_YES,
+ DISPLAY_CANDIDATES_NO,;
+
+ private static final
+ ResourceBundle
+ bundle =
+ ResourceBundle.getBundle(CandidateListCompletionHandler.class.getName(), Locale.getDefault());
+
+ public String format(final Object... args) {
+ if (bundle == null)
+ return "";
+ else
+ return String.format(bundle.getString(name()), args);
+ }
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/CandidateListCompletionHandler.properties 2015-06-18 03:05:18.381907878 -0700
@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2002-2012, the original author or authors.
+#
+# This software is distributable under the BSD license. See the terms of the
+# BSD license in the documentation provided with this software.
+#
+# http://www.opensource.org/licenses/bsd-license.php
+#
+
+DISPLAY_CANDIDATES=Display all %d possibilities? (y or n)
+DISPLAY_CANDIDATES_YES=y
+DISPLAY_CANDIDATES_NO=n
+DISPLAY_MORE=--More--
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/Completer.java 2015-06-18 03:05:18.898911619 -0700
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import java.util.List;
+
+/**
+ * A completer is the mechanism by which tab-completion candidates will be resolved.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public interface Completer
+{
+ //
+ // FIXME: Check if we can use CharSequece for buffer?
+ //
+
+ /**
+ * Populates candidates with a list of possible completions for the buffer.
+ *
+ * The candidates list will not be sorted before being displayed to the user: thus, the
+ * complete method should sort the {@link List} before returning.
+ *
+ * @param buffer The buffer
+ * @param cursor The current position of the cursor in the buffer
+ * @param candidates The {@link List} of candidates to populate
+ * @return The index of the buffer for which the completion will be relative
+ */
+ int complete(String buffer, int cursor, List candidates);
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/CompletionHandler.java 2015-06-18 03:05:19.406915295 -0700
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import jline.console.ConsoleReader;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Handler for dealing with candidates for tab-completion.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public interface CompletionHandler
+{
+ boolean complete(ConsoleReader reader, List candidates, int position) throws IOException;
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/EnumCompleter.java 2015-06-18 03:05:19.918918999 -0700
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * {@link Completer} for {@link Enum} names.
+ *
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class EnumCompleter
+ extends StringsCompleter
+{
+ public EnumCompleter(Class source) {
+ checkNotNull(source);
+
+ for (Enum n : source.getEnumConstants()) {
+ this.getStrings().add(n.name().toLowerCase());
+ }
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/FileNameCompleter.java 2015-06-18 03:05:20.448922835 -0700
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import jline.internal.Configuration;
+
+import java.io.File;
+import java.util.List;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * A file name completer takes the buffer and issues a list of
+ * potential completions.
+ *
+ * This completer tries to behave as similar as possible to
+ * bash's file name completion (using GNU readline)
+ * with the following exceptions:
+ *
+ *
+ * - Candidates that are directories will end with "/"
+ * - Wildcard regular expressions are not evaluated or replaced
+ * - The "~" character can be used to represent the user's home,
+ * but it cannot complete to other users' homes, since java does
+ * not provide any way of determining that easily
+ *
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class FileNameCompleter
+ implements Completer
+{
+ // TODO: Handle files with spaces in them
+
+ private static final boolean OS_IS_WINDOWS;
+
+ static {
+ String os = Configuration.getOsName();
+ OS_IS_WINDOWS = os.contains("windows");
+ }
+
+ public int complete(String buffer, final int cursor, final List candidates) {
+ // buffer can be null
+ checkNotNull(candidates);
+
+ if (buffer == null) {
+ buffer = "";
+ }
+
+ if (OS_IS_WINDOWS) {
+ buffer = buffer.replace('/', '\\');
+ }
+
+ String translated = buffer;
+
+ File homeDir = getUserHome();
+
+ // Special character: ~ maps to the user's home directory
+ if (translated.startsWith("~" + separator())) {
+ translated = homeDir.getPath() + translated.substring(1);
+ }
+ else if (translated.startsWith("~")) {
+ translated = homeDir.getParentFile().getAbsolutePath();
+ }
+ else if (!(new File(translated).isAbsolute())) {
+ String cwd = getUserDir().getAbsolutePath();
+ translated = cwd + separator() + translated;
+ }
+
+ File file = new File(translated);
+ final File dir;
+
+ if (translated.endsWith(separator())) {
+ dir = file;
+ }
+ else {
+ dir = file.getParentFile();
+ }
+
+ File[] entries = dir == null ? new File[0] : dir.listFiles();
+
+ return matchFiles(buffer, translated, entries, candidates);
+ }
+
+ protected String separator() {
+ return File.separator;
+ }
+
+ protected File getUserHome() {
+ return Configuration.getUserHome();
+ }
+
+ protected File getUserDir() {
+ return new File(".");
+ }
+
+ protected int matchFiles(final String buffer, final String translated, final File[] files, final List candidates) {
+ if (files == null) {
+ return -1;
+ }
+
+ int matches = 0;
+
+ // first pass: just count the matches
+ for (File file : files) {
+ if (file.getAbsolutePath().startsWith(translated)) {
+ matches++;
+ }
+ }
+ for (File file : files) {
+ if (file.getAbsolutePath().startsWith(translated)) {
+ CharSequence name = file.getName() + (matches == 1 && file.isDirectory() ? separator() : " ");
+ candidates.add(render(file, name).toString());
+ }
+ }
+
+ final int index = buffer.lastIndexOf(separator());
+
+ return index + separator().length();
+ }
+
+ protected CharSequence render(final File file, final CharSequence name) {
+ return name;
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/NullCompleter.java 2015-06-18 03:05:20.946926437 -0700
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import java.util.List;
+
+/**
+ * Null completer.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public final class NullCompleter
+ implements Completer
+{
+ public static final NullCompleter INSTANCE = new NullCompleter();
+
+ public int complete(final String buffer, final int cursor, final List candidates) {
+ return -1;
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/StringsCompleter.java 2015-06-18 03:05:21.456930126 -0700
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.completer;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Completer for a set of strings.
+ *
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class StringsCompleter
+ implements Completer
+{
+ private final SortedSet strings = new TreeSet();
+
+ public StringsCompleter() {
+ // empty
+ }
+
+ public StringsCompleter(final Collection strings) {
+ checkNotNull(strings);
+ getStrings().addAll(strings);
+ }
+
+ public StringsCompleter(final String... strings) {
+ this(Arrays.asList(strings));
+ }
+
+ public Collection getStrings() {
+ return strings;
+ }
+
+ public int complete(final String buffer, final int cursor, final List candidates) {
+ // buffer could be null
+ checkNotNull(candidates);
+
+ if (buffer == null) {
+ candidates.addAll(strings);
+ }
+ else {
+ for (String match : strings.tailSet(buffer)) {
+ if (!match.startsWith(buffer)) {
+ break;
+ }
+
+ candidates.add(match);
+ }
+ }
+
+ if (candidates.size() == 1) {
+ candidates.set(0, candidates.get(0) + " ");
+ }
+
+ return candidates.isEmpty() ? -1 : 0;
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/completer/package-info.java 2015-06-18 03:05:21.961933780 -0700
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+/**
+ * Console completer support.
+ *
+ * @since 2.3
+ */
+package jline.console.completer;
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/history/FileHistory.java 2015-06-18 03:05:22.550938043 -0700
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.history;
+
+import java.io.BufferedOutputStream;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.Flushable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.PrintStream;
+import java.io.Reader;
+
+import jline.internal.Log;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * {@link History} using a file for persistent backing.
+ *
+ * Implementers should install shutdown hook to call {@link FileHistory#flush}
+ * to save history to disk.
+ *
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public class FileHistory
+ extends MemoryHistory
+ implements PersistentHistory, Flushable
+{
+ private final File file;
+
+ public FileHistory(final File file) throws IOException {
+ this.file = checkNotNull(file);
+ load(file);
+ }
+
+ public File getFile() {
+ return file;
+ }
+
+ public void load(final File file) throws IOException {
+ checkNotNull(file);
+ if (file.exists()) {
+ Log.trace("Loading history from: ", file);
+ load(new FileReader(file));
+ }
+ }
+
+ public void load(final InputStream input) throws IOException {
+ checkNotNull(input);
+ load(new InputStreamReader(input));
+ }
+
+ public void load(final Reader reader) throws IOException {
+ checkNotNull(reader);
+ BufferedReader input = new BufferedReader(reader);
+
+ String item;
+ while ((item = input.readLine()) != null) {
+ internalAdd(item);
+ }
+ }
+
+ public void flush() throws IOException {
+ Log.trace("Flushing history");
+
+ if (!file.exists()) {
+ File dir = file.getParentFile();
+ if (!dir.exists() && !dir.mkdirs()) {
+ Log.warn("Failed to create directory: ", dir);
+ }
+ if (!file.createNewFile()) {
+ Log.warn("Failed to create file: ", file);
+ }
+ }
+
+ PrintStream out = new PrintStream(new BufferedOutputStream(new FileOutputStream(file)));
+ try {
+ for (Entry entry : this) {
+ out.println(entry.value());
+ }
+ }
+ finally {
+ out.close();
+ }
+ }
+
+ public void purge() throws IOException {
+ Log.trace("Purging history");
+
+ clear();
+
+ if (!file.delete()) {
+ Log.warn("Failed to delete history file: ", file);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/history/History.java 2015-06-18 03:05:23.065941770 -0700
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.history;
+
+import java.util.Iterator;
+import java.util.ListIterator;
+
+/**
+ * Console history.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public interface History
+ extends Iterable
+{
+ int size();
+
+ boolean isEmpty();
+
+ int index();
+
+ void clear();
+
+ CharSequence get(int index);
+
+ void add(CharSequence line);
+
+ /**
+ * Set the history item at the given index to the given CharSequence.
+ *
+ * @param index the index of the history offset
+ * @param item the new item
+ * @since 2.7
+ */
+ void set(int index, CharSequence item);
+
+ /**
+ * Remove the history element at the given index.
+ *
+ * @param i the index of the element to remove
+ * @return the removed element
+ * @since 2.7
+ */
+ CharSequence remove(int i);
+
+ /**
+ * Remove the first element from history.
+ *
+ * @return the removed element
+ * @since 2.7
+ */
+ CharSequence removeFirst();
+
+ /**
+ * Remove the last element from history
+ *
+ * @return the removed element
+ * @since 2.7
+ */
+ CharSequence removeLast();
+
+ void replace(CharSequence item);
+
+ //
+ // Entries
+ //
+
+ interface Entry
+ {
+ int index();
+
+ CharSequence value();
+ }
+
+ ListIterator entries(int index);
+
+ ListIterator entries();
+
+ Iterator iterator();
+
+ //
+ // Navigation
+ //
+
+ CharSequence current();
+
+ boolean previous();
+
+ boolean next();
+
+ boolean moveToFirst();
+
+ boolean moveToLast();
+
+ boolean moveTo(int index);
+
+ void moveToEnd();
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/history/MemoryHistory.java 2015-06-18 03:05:23.575945458 -0700
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.history;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.ListIterator;
+import java.util.NoSuchElementException;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Non-persistent {@link History}.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public class MemoryHistory
+ implements History
+{
+ public static final int DEFAULT_MAX_SIZE = 500;
+
+ private final LinkedList items = new LinkedList();
+
+ private int maxSize = DEFAULT_MAX_SIZE;
+
+ private boolean ignoreDuplicates = true;
+
+ private boolean autoTrim = false;
+
+ // NOTE: These are all ideas from looking at the Bash man page:
+
+ // TODO: Add ignore space? (lines starting with a space are ignored)
+
+ // TODO: Add ignore patterns?
+
+ // TODO: Add history timestamp?
+
+ // TODO: Add erase dups?
+
+ private int offset = 0;
+
+ private int index = 0;
+
+ public void setMaxSize(final int maxSize) {
+ this.maxSize = maxSize;
+ maybeResize();
+ }
+
+ public int getMaxSize() {
+ return maxSize;
+ }
+
+ public boolean isIgnoreDuplicates() {
+ return ignoreDuplicates;
+ }
+
+ public void setIgnoreDuplicates(final boolean flag) {
+ this.ignoreDuplicates = flag;
+ }
+
+ public boolean isAutoTrim() {
+ return autoTrim;
+ }
+
+ public void setAutoTrim(final boolean flag) {
+ this.autoTrim = flag;
+ }
+
+ public int size() {
+ return items.size();
+ }
+
+ public boolean isEmpty() {
+ return items.isEmpty();
+ }
+
+ public int index() {
+ return offset + index;
+ }
+
+ public void clear() {
+ items.clear();
+ offset = 0;
+ index = 0;
+ }
+
+ public CharSequence get(final int index) {
+ return items.get(index - offset);
+ }
+
+ public void set(int index, CharSequence item) {
+ items.set(index - offset, item);
+ }
+
+ public void add(CharSequence item) {
+ checkNotNull(item);
+
+ if (isAutoTrim()) {
+ item = String.valueOf(item).trim();
+ }
+
+ if (isIgnoreDuplicates()) {
+ if (!items.isEmpty() && item.equals(items.getLast())) {
+ return;
+ }
+ }
+
+ internalAdd(item);
+ }
+
+ public CharSequence remove(int i) {
+ return items.remove(i);
+ }
+
+ public CharSequence removeFirst() {
+ return items.removeFirst();
+ }
+
+ public CharSequence removeLast() {
+ return items.removeLast();
+ }
+
+ protected void internalAdd(CharSequence item) {
+ items.add(item);
+
+ maybeResize();
+ }
+
+ public void replace(final CharSequence item) {
+ items.removeLast();
+ add(item);
+ }
+
+ private void maybeResize() {
+ while (size() > getMaxSize()) {
+ items.removeFirst();
+ offset++;
+ }
+
+ index = size();
+ }
+
+ public ListIterator entries(final int index) {
+ return new EntriesIterator(index - offset);
+ }
+
+ public ListIterator entries() {
+ return entries(offset);
+ }
+
+ public Iterator iterator() {
+ return entries();
+ }
+
+ private static class EntryImpl
+ implements Entry
+ {
+ private final int index;
+
+ private final CharSequence value;
+
+ public EntryImpl(int index, CharSequence value) {
+ this.index = index;
+ this.value = value;
+ }
+
+ public int index() {
+ return index;
+ }
+
+ public CharSequence value() {
+ return value;
+ }
+
+ @Override
+ public String toString() {
+ return String.format("%d: %s", index, value);
+ }
+ }
+
+ private class EntriesIterator
+ implements ListIterator
+ {
+ private final ListIterator source;
+
+ private EntriesIterator(final int index) {
+ source = items.listIterator(index);
+ }
+
+ public Entry next() {
+ if (!source.hasNext()) {
+ throw new NoSuchElementException();
+ }
+ return new EntryImpl(offset + source.nextIndex(), source.next());
+ }
+
+ public Entry previous() {
+ if (!source.hasPrevious()) {
+ throw new NoSuchElementException();
+ }
+ return new EntryImpl(offset + source.previousIndex(), source.previous());
+ }
+
+ public int nextIndex() {
+ return offset + source.nextIndex();
+ }
+
+ public int previousIndex() {
+ return offset + source.previousIndex();
+ }
+
+ public boolean hasNext() {
+ return source.hasNext();
+ }
+
+ public boolean hasPrevious() {
+ return source.hasPrevious();
+ }
+
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+
+ public void set(final Entry entry) {
+ throw new UnsupportedOperationException();
+ }
+
+ public void add(final Entry entry) {
+ throw new UnsupportedOperationException();
+ }
+ }
+
+ //
+ // Navigation
+ //
+
+ /**
+ * This moves the history to the last entry. This entry is one position
+ * before the moveToEnd() position.
+ *
+ * @return Returns false if there were no history entries or the history
+ * index was already at the last entry.
+ */
+ public boolean moveToLast() {
+ int lastEntry = size() - 1;
+ if (lastEntry >= 0 && lastEntry != index) {
+ index = size() - 1;
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Move to the specified index in the history
+ * @param index
+ * @return
+ */
+ public boolean moveTo(int index) {
+ index -= offset;
+ if (index >= 0 && index < size() ) {
+ this.index = index;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Moves the history index to the first entry.
+ *
+ * @return Return false if there are no entries in the history or if the
+ * history is already at the beginning.
+ */
+ public boolean moveToFirst() {
+ if (size() > 0 && index != 0) {
+ index = 0;
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Move to the end of the history buffer. This will be a blank entry, after
+ * all of the other entries.
+ */
+ public void moveToEnd() {
+ index = size();
+ }
+
+ /**
+ * Return the content of the current buffer.
+ */
+ public CharSequence current() {
+ if (index >= size()) {
+ return "";
+ }
+
+ return items.get(index);
+ }
+
+ /**
+ * Move the pointer to the previous element in the buffer.
+ *
+ * @return true if we successfully went to the previous element
+ */
+ public boolean previous() {
+ if (index <= 0) {
+ return false;
+ }
+
+ index--;
+
+ return true;
+ }
+
+ /**
+ * Move the pointer to the next element in the buffer.
+ *
+ * @return true if we successfully went to the next element
+ */
+ public boolean next() {
+ if (index >= size()) {
+ return false;
+ }
+
+ index++;
+
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ for (Entry e : this) {
+ sb.append(e.toString() + "\n");
+ }
+ return sb.toString();
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/history/PersistentHistory.java 2015-06-18 03:05:24.069949033 -0700
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.history;
+
+import java.io.IOException;
+
+/**
+ * Persistent {@link History}.
+ *
+ * @author Jason Dillon
+ * @since 2.3
+ */
+public interface PersistentHistory
+ extends History
+{
+ /**
+ * Flush all items to persistent storage.
+ *
+ * @throws IOException Flush failed
+ */
+ void flush() throws IOException;
+
+ /**
+ * Purge persistent storage and {@link #clear}.
+ *
+ * @throws IOException Purge failed
+ */
+ void purge() throws IOException;
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/history/package-info.java 2015-06-18 03:05:24.570952659 -0700
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+/**
+ * Console history support.
+ *
+ * @since 2.0
+ */
+package jline.console.history;
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/internal/ConsoleReaderInputStream.java 2015-06-18 03:05:25.081956354 -0700
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.internal;
+
+import jline.console.ConsoleReader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.SequenceInputStream;
+import java.util.Enumeration;
+
+// FIXME: Clean up API and move to jline.console.runner package
+
+/**
+ * An {@link InputStream} implementation that wraps a {@link ConsoleReader}.
+ * It is useful for setting up the {@link System#in} for a generic console.
+ *
+ * @author Marc Prud'hommeaux
+ * @since 2.7
+ */
+class ConsoleReaderInputStream
+ extends SequenceInputStream
+{
+ private static InputStream systemIn = System.in;
+
+ public static void setIn() throws IOException {
+ setIn(new ConsoleReader());
+ }
+
+ public static void setIn(final ConsoleReader reader) {
+ System.setIn(new ConsoleReaderInputStream(reader));
+ }
+
+ /**
+ * Restore the original {@link System#in} input stream.
+ */
+ public static void restoreIn() {
+ System.setIn(systemIn);
+ }
+
+ public ConsoleReaderInputStream(final ConsoleReader reader) {
+ super(new ConsoleEnumeration(reader));
+ }
+
+ private static class ConsoleEnumeration
+ implements Enumeration
+ {
+ private final ConsoleReader reader;
+ private ConsoleLineInputStream next = null;
+ private ConsoleLineInputStream prev = null;
+
+ public ConsoleEnumeration(final ConsoleReader reader) {
+ this.reader = reader;
+ }
+
+ public Object nextElement() {
+ if (next != null) {
+ InputStream n = next;
+ prev = next;
+ next = null;
+
+ return n;
+ }
+
+ return new ConsoleLineInputStream(reader);
+ }
+
+ public boolean hasMoreElements() {
+ // the last line was null
+ if ((prev != null) && (prev.wasNull == true)) {
+ return false;
+ }
+
+ if (next == null) {
+ next = (ConsoleLineInputStream) nextElement();
+ }
+
+ return next != null;
+ }
+ }
+
+ private static class ConsoleLineInputStream
+ extends InputStream
+ {
+ private final ConsoleReader reader;
+ private String line = null;
+ private int index = 0;
+ private boolean eol = false;
+ protected boolean wasNull = false;
+
+ public ConsoleLineInputStream(final ConsoleReader reader) {
+ this.reader = reader;
+ }
+
+ public int read() throws IOException {
+ if (eol) {
+ return -1;
+ }
+
+ if (line == null) {
+ line = reader.readLine();
+ }
+
+ if (line == null) {
+ wasNull = true;
+ return -1;
+ }
+
+ if (index >= line.length()) {
+ eol = true;
+ return '\n'; // lines are ended with a newline
+ }
+
+ return line.charAt(index++);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/internal/ConsoleRunner.java 2015-06-18 03:05:25.726961021 -0700
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.console.internal;
+
+import jline.console.ConsoleReader;
+import jline.console.completer.ArgumentCompleter;
+import jline.console.completer.Completer;
+import jline.console.history.FileHistory;
+import jline.internal.Configuration;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.StringTokenizer;
+
+// FIXME: Clean up API and move to jline.console.runner package
+
+/**
+ * A pass-through application that sets the system input stream to a
+ * {@link ConsoleReader} and invokes the specified main method.
+ *
+ * @author Marc Prud'hommeaux
+ * @since 2.7
+ */
+public class ConsoleRunner
+{
+ public static final String property = "jline.history";
+
+ // FIXME: This is really ugly... re-write this
+
+ public static void main(final String[] args) throws Exception {
+ List argList = new ArrayList(Arrays.asList(args));
+ if (argList.size() == 0) {
+ usage();
+ return;
+ }
+
+ String historyFileName = System.getProperty(ConsoleRunner.property, null);
+
+ String mainClass = argList.remove(0);
+ ConsoleReader reader = new ConsoleReader();
+
+ if (historyFileName != null) {
+ reader.setHistory(new FileHistory(new File(Configuration.getUserHome(),
+ String.format(".jline-%s.%s.history", mainClass, historyFileName))));
+ }
+ else {
+ reader.setHistory(new FileHistory(new File(Configuration.getUserHome(),
+ String.format(".jline-%s.history", mainClass))));
+ }
+
+ String completors = System.getProperty(ConsoleRunner.class.getName() + ".completers", "");
+ List completorList = new ArrayList();
+
+ for (StringTokenizer tok = new StringTokenizer(completors, ","); tok.hasMoreTokens();) {
+ Object obj = Class.forName(tok.nextToken()).newInstance();
+ completorList.add((Completer) obj);
+ }
+
+ if (completorList.size() > 0) {
+ reader.addCompleter(new ArgumentCompleter(completorList));
+ }
+
+ ConsoleReaderInputStream.setIn(reader);
+
+ try {
+ Class type = Class.forName(mainClass);
+ Method method = type.getMethod("main", new Class[]{String[].class});
+ method.invoke(null);
+ }
+ finally {
+ // just in case this main method is called from another program
+ ConsoleReaderInputStream.restoreIn();
+ }
+ }
+
+ private static void usage() {
+ System.out.println("Usage: \n java " + "[-Djline.history='name'] "
+ + ConsoleRunner.class.getName()
+ + " [args]"
+ + "\n\nThe -Djline.history option will avoid history"
+ + "\nmangling when running ConsoleRunner on the same application."
+ + "\n\nargs will be passed directly to the target class name.");
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/console/package-info.java 2015-06-18 03:05:26.327965369 -0700
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+/**
+ * Console support.
+ *
+ * @since 2.0
+ */
+package jline.console;
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/Configuration.java 2015-06-18 03:05:27.100970963 -0700
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.util.Map;
+import java.util.Properties;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Provides access to configuration values.
+ *
+ * @author Jason Dillon
+ * @author Guillaume Nodet
+ * @since 2.4
+ */
+public class Configuration
+{
+ /**
+ * System property which can point to a file or URL containing configuration properties to load.
+ *
+ * @since 2.7
+ */
+ public static final String JLINE_CONFIGURATION = "jline.configuration";
+
+ /**
+ * Default configuration file name loaded from user's home directory.
+ */
+ public static final String JLINE_RC = ".jline.rc";
+
+ private static volatile Properties properties;
+
+ private static Properties initProperties() {
+ URL url = determineUrl();
+ Properties props = new Properties();
+ try {
+ loadProperties(url, props);
+ }
+ catch (IOException e) {
+ // debug here instead of warn, as this can happen normally if default jline.rc file is missing
+ Log.debug("Unable to read configuration from: ", url, e);
+ }
+ return props;
+ }
+
+ private static void loadProperties(final URL url, final Properties props) throws IOException {
+ Log.debug("Loading properties from: ", url);
+ InputStream input = url.openStream();
+ try {
+ props.load(new BufferedInputStream(input));
+ }
+ finally {
+ try {
+ input.close();
+ }
+ catch (IOException e) {
+ // ignore
+ }
+ }
+
+ if (Log.DEBUG) {
+ Log.debug("Loaded properties:");
+ for (Map.Entry entry : props.entrySet()) {
+ Log.debug(" ", entry.getKey(), "=", entry.getValue());
+ }
+ }
+ }
+
+ private static URL determineUrl() {
+ // See if user has customized the configuration location via sysprop
+ String tmp = System.getProperty(JLINE_CONFIGURATION);
+ if (tmp != null) {
+ return Urls.create(tmp);
+ }
+ else {
+ // Otherwise try the default
+ File file = new File(getUserHome(), JLINE_RC);
+ return Urls.create(file);
+ }
+ }
+
+ /**
+ * @since 2.7
+ */
+ public static void reset() {
+ Log.debug("Resetting");
+ properties = null;
+
+ // force new properties to load
+ getProperties();
+ }
+
+ /**
+ * @since 2.7
+ */
+ public static Properties getProperties() {
+ // Not sure its worth to guard this with any synchronization, volatile field probably sufficient
+ if (properties == null) {
+ properties = initProperties();
+ }
+ return properties;
+ }
+
+ public static String getString(final String name, final String defaultValue) {
+ checkNotNull(name);
+
+ String value;
+
+ // Check sysprops first, it always wins
+ value = System.getProperty(name);
+
+ if (value == null) {
+ // Next try userprops
+ value = getProperties().getProperty(name);
+
+ if (value == null) {
+ // else use the default
+ value = defaultValue;
+ }
+ }
+
+ return value;
+ }
+
+ public static String getString(final String name) {
+ return getString(name, null);
+ }
+
+ public static boolean getBoolean(final String name, final boolean defaultValue) {
+ String value = getString(name);
+ if (value == null) {
+ return defaultValue;
+ }
+ return value.length() == 0
+ || value.equalsIgnoreCase("1")
+ || value.equalsIgnoreCase("on")
+ || value.equalsIgnoreCase("true");
+ }
+
+ /**
+ * @since 2.6
+ */
+ public static int getInteger(final String name, final int defaultValue) {
+ String str = getString(name);
+ if (str == null) {
+ return defaultValue;
+ }
+ return Integer.parseInt(str);
+ }
+
+ /**
+ * @since 2.6
+ */
+ public static long getLong(final String name, final long defaultValue) {
+ String str = getString(name);
+ if (str == null) {
+ return defaultValue;
+ }
+ return Long.parseLong(str);
+ }
+
+ //
+ // System property helpers
+ //
+
+ /**
+ * @since 2.7
+ */
+ public static String getLineSeparator() {
+ return System.getProperty("line.separator");
+ }
+
+ public static File getUserHome() {
+ return new File(System.getProperty("user.home"));
+ }
+
+ public static String getOsName() {
+ return System.getProperty("os.name").toLowerCase();
+ }
+
+ /**
+ * @since 2.7
+ */
+ public static boolean isWindows() {
+ return getOsName().startsWith("windows");
+ }
+
+ // FIXME: Sort out use of property access of file.encoding in InputStreamReader, consolidate should configuration access here
+
+ public static String getFileEncoding() {
+ return System.getProperty("file.encoding");
+ }
+
+ /**
+ * Get the default encoding. Will first look at the LC_CTYPE environment variable, then the input.encoding
+ * system property, then the default charset according to the JVM.
+ *
+ * @return The default encoding to use when none is specified.
+ */
+ public static String getEncoding() {
+ // LC_CTYPE is usually in the form en_US.UTF-8
+ String envEncoding = extractEncodingFromCtype(System.getenv("LC_CTYPE"));
+ if (envEncoding != null) {
+ return envEncoding;
+ }
+ return System.getProperty("input.encoding", Charset.defaultCharset().name());
+ }
+
+ /**
+ * Parses the LC_CTYPE value to extract the encoding according to the POSIX standard, which says that the LC_CTYPE
+ * environment variable may be of the format [language[_territory][.codeset][@modifier]]
+ *
+ * @param ctype The ctype to parse, may be null
+ * @return The encoding, if one was present, otherwise null
+ */
+ static String extractEncodingFromCtype(String ctype) {
+ if (ctype != null && ctype.indexOf('.') > 0) {
+ String encodingAndModifier = ctype.substring(ctype.indexOf('.') + 1);
+ if (encodingAndModifier.indexOf('@') > 0) {
+ return encodingAndModifier.substring(0, encodingAndModifier.indexOf('@'));
+ } else {
+ return encodingAndModifier;
+ }
+ }
+ return null;
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/InputStreamReader.java 2015-06-18 03:05:27.762975752 -0700
@@ -0,0 +1,338 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.io.Reader;
+import java.io.UnsupportedEncodingException;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CoderResult;
+import java.nio.charset.CodingErrorAction;
+import java.nio.charset.MalformedInputException;
+import java.nio.charset.UnmappableCharacterException;
+
+
+/**
+ *
+ * NOTE for JLine: the default InputStreamReader that comes from the JRE
+ * usually read more bytes than needed from the input stream, which
+ * is not usable in a character per character model used in the console.
+ * We thus use the harmony code which only reads the minimal number of bytes,
+ * with a modification to ensure we can read larger characters (UTF-16 has
+ * up to 4 bytes, and UTF-32, rare as it is, may have up to 8).
+ */
+/**
+ * A class for turning a byte stream into a character stream. Data read from the
+ * source input stream is converted into characters by either a default or a
+ * provided character converter. The default encoding is taken from the
+ * "file.encoding" system property. {@code InputStreamReader} contains a buffer
+ * of bytes read from the source stream and converts these into characters as
+ * needed. The buffer size is 8K.
+ *
+ * @see OutputStreamWriter
+ */
+public class InputStreamReader extends Reader {
+ private InputStream in;
+
+ private static final int BUFFER_SIZE = 8192;
+
+ private boolean endOfInput = false;
+
+ String encoding;
+
+ CharsetDecoder decoder;
+
+ ByteBuffer bytes = ByteBuffer.allocate(BUFFER_SIZE);
+
+ /**
+ * Constructs a new {@code InputStreamReader} on the {@link InputStream}
+ * {@code in}. This constructor sets the character converter to the encoding
+ * specified in the "file.encoding" property and falls back to ISO 8859_1
+ * (ISO-Latin-1) if the property doesn't exist.
+ *
+ * @param in
+ * the input stream from which to read characters.
+ */
+ public InputStreamReader(InputStream in) {
+ super(in);
+ this.in = in;
+ // FIXME: This should probably use Configuration.getFileEncoding()
+ encoding = System.getProperty("file.encoding", "ISO8859_1"); //$NON-NLS-1$//$NON-NLS-2$
+ decoder = Charset.forName(encoding).newDecoder().onMalformedInput(
+ CodingErrorAction.REPLACE).onUnmappableCharacter(
+ CodingErrorAction.REPLACE);
+ bytes.limit(0);
+ }
+
+ /**
+ * Constructs a new InputStreamReader on the InputStream {@code in}. The
+ * character converter that is used to decode bytes into characters is
+ * identified by name by {@code enc}. If the encoding cannot be found, an
+ * UnsupportedEncodingException error is thrown.
+ *
+ * @param in
+ * the InputStream from which to read characters.
+ * @param enc
+ * identifies the character converter to use.
+ * @throws NullPointerException
+ * if {@code enc} is {@code null}.
+ * @throws UnsupportedEncodingException
+ * if the encoding specified by {@code enc} cannot be found.
+ */
+ public InputStreamReader(InputStream in, final String enc)
+ throws UnsupportedEncodingException {
+ super(in);
+ if (enc == null) {
+ throw new NullPointerException();
+ }
+ this.in = in;
+ try {
+ decoder = Charset.forName(enc).newDecoder().onMalformedInput(
+ CodingErrorAction.REPLACE).onUnmappableCharacter(
+ CodingErrorAction.REPLACE);
+ } catch (IllegalArgumentException e) {
+ throw (UnsupportedEncodingException)
+ new UnsupportedEncodingException(enc).initCause(e);
+ }
+ bytes.limit(0);
+ }
+
+ /**
+ * Constructs a new InputStreamReader on the InputStream {@code in} and
+ * CharsetDecoder {@code dec}.
+ *
+ * @param in
+ * the source InputStream from which to read characters.
+ * @param dec
+ * the CharsetDecoder used by the character conversion.
+ */
+ public InputStreamReader(InputStream in, CharsetDecoder dec) {
+ super(in);
+ dec.averageCharsPerByte();
+ this.in = in;
+ decoder = dec;
+ bytes.limit(0);
+ }
+
+ /**
+ * Constructs a new InputStreamReader on the InputStream {@code in} and
+ * Charset {@code charset}.
+ *
+ * @param in
+ * the source InputStream from which to read characters.
+ * @param charset
+ * the Charset that defines the character converter
+ */
+ public InputStreamReader(InputStream in, Charset charset) {
+ super(in);
+ this.in = in;
+ decoder = charset.newDecoder().onMalformedInput(
+ CodingErrorAction.REPLACE).onUnmappableCharacter(
+ CodingErrorAction.REPLACE);
+ bytes.limit(0);
+ }
+
+ /**
+ * Closes this reader. This implementation closes the source InputStream and
+ * releases all local storage.
+ *
+ * @throws IOException
+ * if an error occurs attempting to close this reader.
+ */
+ @Override
+ public void close() throws IOException {
+ synchronized (lock) {
+ decoder = null;
+ if (in != null) {
+ in.close();
+ in = null;
+ }
+ }
+ }
+
+ /**
+ * Returns the name of the encoding used to convert bytes into characters.
+ * The value {@code null} is returned if this reader has been closed.
+ *
+ * @return the name of the character converter or {@code null} if this
+ * reader is closed.
+ */
+ public String getEncoding() {
+ if (!isOpen()) {
+ return null;
+ }
+ return encoding;
+ }
+
+ /**
+ * Reads a single character from this reader and returns it as an integer
+ * with the two higher-order bytes set to 0. Returns -1 if the end of the
+ * reader has been reached. The byte value is either obtained from
+ * converting bytes in this reader's buffer or by first filling the buffer
+ * from the source InputStream and then reading from the buffer.
+ *
+ * @return the character read or -1 if the end of the reader has been
+ * reached.
+ * @throws IOException
+ * if this reader is closed or some other I/O error occurs.
+ */
+ @Override
+ public int read() throws IOException {
+ synchronized (lock) {
+ if (!isOpen()) {
+ throw new IOException("InputStreamReader is closed.");
+ }
+
+ char buf[] = new char[4];
+ return read(buf, 0, 4) != -1 ? Character.codePointAt(buf, 0) : -1;
+ }
+ }
+
+ /**
+ * Reads at most {@code length} characters from this reader and stores them
+ * at position {@code offset} in the character array {@code buf}. Returns
+ * the number of characters actually read or -1 if the end of the reader has
+ * been reached. The bytes are either obtained from converting bytes in this
+ * reader's buffer or by first filling the buffer from the source
+ * InputStream and then reading from the buffer.
+ *
+ * @param buf
+ * the array to store the characters read.
+ * @param offset
+ * the initial position in {@code buf} to store the characters
+ * read from this reader.
+ * @param length
+ * the maximum number of characters to read.
+ * @return the number of characters read or -1 if the end of the reader has
+ * been reached.
+ * @throws IndexOutOfBoundsException
+ * if {@code offset < 0} or {@code length < 0}, or if
+ * {@code offset + length} is greater than the length of
+ * {@code buf}.
+ * @throws IOException
+ * if this reader is closed or some other I/O error occurs.
+ */
+ @Override
+ public int read(char[] buf, int offset, int length) throws IOException {
+ synchronized (lock) {
+ if (!isOpen()) {
+ throw new IOException("InputStreamReader is closed.");
+ }
+ if (offset < 0 || offset > buf.length - length || length < 0) {
+ throw new IndexOutOfBoundsException();
+ }
+ if (length == 0) {
+ return 0;
+ }
+
+ CharBuffer out = CharBuffer.wrap(buf, offset, length);
+ CoderResult result = CoderResult.UNDERFLOW;
+
+ // bytes.remaining() indicates number of bytes in buffer
+ // when 1-st time entered, it'll be equal to zero
+ boolean needInput = !bytes.hasRemaining();
+
+ while (out.hasRemaining()) {
+ // fill the buffer if needed
+ if (needInput) {
+ try {
+ if ((in.available() == 0)
+ && (out.position() > offset)) {
+ // we could return the result without blocking read
+ break;
+ }
+ } catch (IOException e) {
+ // available didn't work so just try the read
+ }
+
+ int to_read = bytes.capacity() - bytes.limit();
+ int off = bytes.arrayOffset() + bytes.limit();
+ int was_red = in.read(bytes.array(), off, to_read);
+
+ if (was_red == -1) {
+ endOfInput = true;
+ break;
+ } else if (was_red == 0) {
+ break;
+ }
+ bytes.limit(bytes.limit() + was_red);
+ needInput = false;
+ }
+
+ // decode bytes
+ result = decoder.decode(bytes, out, false);
+
+ if (result.isUnderflow()) {
+ // compact the buffer if no space left
+ if (bytes.limit() == bytes.capacity()) {
+ bytes.compact();
+ bytes.limit(bytes.position());
+ bytes.position(0);
+ }
+ needInput = true;
+ } else {
+ break;
+ }
+ }
+
+ if (result == CoderResult.UNDERFLOW && endOfInput) {
+ result = decoder.decode(bytes, out, true);
+ decoder.flush(out);
+ decoder.reset();
+ }
+ if (result.isMalformed()) {
+ throw new MalformedInputException(result.length());
+ } else if (result.isUnmappable()) {
+ throw new UnmappableCharacterException(result.length());
+ }
+
+ return out.position() - offset == 0 ? -1 : out.position() - offset;
+ }
+ }
+
+ /*
+ * Answer a boolean indicating whether or not this InputStreamReader is
+ * open.
+ */
+ private boolean isOpen() {
+ return in != null;
+ }
+
+ /**
+ * Indicates whether this reader is ready to be read without blocking. If
+ * the result is {@code true}, the next {@code read()} will not block. If
+ * the result is {@code false} then this reader may or may not block when
+ * {@code read()} is called. This implementation returns {@code true} if
+ * there are bytes available in the buffer or the source stream has bytes
+ * available.
+ *
+ * @return {@code true} if the receiver will not block when {@code read()}
+ * is called, {@code false} if unknown or blocking will occur.
+ * @throws IOException
+ * if this reader is closed or some other I/O error occurs.
+ */
+ @Override
+ public boolean ready() throws IOException {
+ synchronized (lock) {
+ if (in == null) {
+ throw new IOException("InputStreamReader is closed.");
+ }
+ try {
+ return bytes.hasRemaining() || in.available() > 0;
+ } catch (IOException e) {
+ return false;
+ }
+ }
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/Log.java 2015-06-18 03:05:28.504981121 -0700
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.io.PrintStream;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Internal logger.
+ *
+ * @author Jason Dillon
+ * @since 2.0
+ */
+public final class Log
+{
+ ///CLOVER:OFF
+
+ public static enum Level
+ {
+ TRACE,
+ DEBUG,
+ INFO,
+ WARN,
+ ERROR
+ }
+
+ @SuppressWarnings({"StringConcatenation"})
+ public static final boolean TRACE = Boolean.getBoolean(Log.class.getName() + ".trace");
+
+ @SuppressWarnings({"StringConcatenation"})
+ public static final boolean DEBUG = TRACE || Boolean.getBoolean(Log.class.getName() + ".debug");
+
+ private static PrintStream output = System.err;
+
+ public static PrintStream getOutput() {
+ return output;
+ }
+
+ public static void setOutput(final PrintStream out) {
+ output = checkNotNull(out);
+ }
+
+ /**
+ * Helper to support rendering messages.
+ */
+ @TestAccessible
+ static void render(final PrintStream out, final Object message) {
+ if (message.getClass().isArray()) {
+ Object[] array = (Object[]) message;
+
+ out.print("[");
+ for (int i = 0; i < array.length; i++) {
+ out.print(array[i]);
+ if (i + 1 < array.length) {
+ out.print(",");
+ }
+ }
+ out.print("]");
+ }
+ else {
+ out.print(message);
+ }
+ }
+
+ @TestAccessible
+ static void log(final Level level, final Object... messages) {
+ //noinspection SynchronizeOnNonFinalField
+ synchronized (output) {
+ output.format("[%s] ", level);
+
+ for (int i=0; iVERY IMPORTANT NOTES
+ *
+ * - This class is not thread safe. It expects at most one reader.
+ *
- The {@link #shutdown()} method must be called in order to shut down
+ * the thread that handles blocking I/O.
+ *
+ * @since 2.7
+ * @author Scott C. Gray
+ */
+public class NonBlockingInputStream
+ extends InputStream
+ implements Runnable
+{
+ private InputStream in; // The actual input stream
+ private int ch = -2; // Recently read character
+
+ private boolean threadIsReading = false;
+ private boolean isShutdown = false;
+ private IOException exception = null;
+ private boolean nonBlockingEnabled;
+
+ /**
+ * Creates a NonBlockingInputStream out of a normal blocking
+ * stream. Note that this call also spawn a separate thread to perform the
+ * blocking I/O on behalf of the thread that is using this class. The
+ * {@link #shutdown()} method must be called in order to shut this thread down.
+ * @param in The input stream to wrap
+ * @param isNonBlockingEnabled If true, then the non-blocking methods
+ * {@link #read(long)} and {@link #peek(long)} will be available and,
+ * more importantly, the thread will be started to provide support for the
+ * feature. If false, then this class acts as a clean-passthru for the
+ * underlying I/O stream and provides very little overhead.
+ */
+ public NonBlockingInputStream (InputStream in, boolean isNonBlockingEnabled) {
+ this.in = in;
+ this.nonBlockingEnabled = isNonBlockingEnabled;
+
+ if (isNonBlockingEnabled) {
+ Thread t = new Thread(this);
+ t.setName("NonBlockingInputStreamThread");
+ t.setDaemon(true);
+ t.start();
+ }
+ }
+
+ /**
+ * Shuts down the thread that is handling blocking I/O. Note that if the
+ * thread is currently blocked waiting for I/O it will not actually
+ * shut down until the I/O is received. Shutting down the I/O thread
+ * does not prevent this class from being used, but causes the
+ * non-blocking methods to fail if called and causes {@link #isNonBlockingEnabled()}
+ * to return false.
+ */
+ public synchronized void shutdown() {
+ if (!isShutdown && nonBlockingEnabled) {
+ isShutdown = true;
+ notify();
+ }
+ }
+
+ /**
+ * Non-blocking is considered enabled if the feature is enabled and the
+ * I/O thread has not been shut down.
+ * @return true if non-blocking mode is enabled.
+ */
+ public boolean isNonBlockingEnabled() {
+ return nonBlockingEnabled && !isShutdown;
+ }
+
+ @Override
+ public void close() throws IOException {
+ /*
+ * The underlying input stream is closed first. This means that if the
+ * I/O thread was blocked waiting on input, it will be woken for us.
+ */
+ in.close();
+ shutdown();
+ }
+
+ @Override
+ public int read() throws IOException {
+ if (nonBlockingEnabled)
+ return read(0L, false);
+ return in.read ();
+ }
+
+ /**
+ * Peeks to see if there is a byte waiting in the input stream without
+ * actually consuming the byte.
+ *
+ * @param timeout The amount of time to wait, 0 == forever
+ * @return -1 on eof, -2 if the timeout expired with no available input
+ * or the character that was read (without consuming it).
+ * @throws IOException
+ */
+ public int peek(long timeout) throws IOException {
+ if (!nonBlockingEnabled || isShutdown) {
+ throw new UnsupportedOperationException ("peek() "
+ + "cannot be called as non-blocking operation is disabled");
+ }
+ return read(timeout, true);
+ }
+
+ /**
+ * Attempts to read a character from the input stream for a specific
+ * period of time.
+ * @param timeout The amount of time to wait for the character
+ * @return The character read, -1 if EOF is reached, or -2 if the
+ * read timed out.
+ * @throws IOException
+ */
+ public int read(long timeout) throws IOException {
+ if (!nonBlockingEnabled || isShutdown) {
+ throw new UnsupportedOperationException ("read() with timeout "
+ + "cannot be called as non-blocking operation is disabled");
+ }
+ return read(timeout, false);
+ }
+
+ /**
+ * Attempts to read a character from the input stream for a specific
+ * period of time.
+ * @param timeout The amount of time to wait for the character
+ * @return The character read, -1 if EOF is reached, or -2 if the
+ * read timed out.
+ * @throws IOException
+ */
+ private synchronized int read(long timeout, boolean isPeek) throws IOException {
+ /*
+ * If the thread hit an IOException, we report it.
+ */
+ if (exception != null) {
+ assert ch == -2;
+ IOException toBeThrown = exception;
+ if (!isPeek)
+ exception = null;
+ throw toBeThrown;
+ }
+
+ /*
+ * If there was a pending character from the thread, then
+ * we send it. If the timeout is 0L or the thread was shut down
+ * then do a local read.
+ */
+ if (ch >= -1) {
+ assert exception == null;
+ }
+ else if ((timeout == 0L || isShutdown) && !threadIsReading) {
+ ch = in.read();
+ }
+ else {
+ /*
+ * If the thread isn't reading already, then ask it to do so.
+ */
+ if (!threadIsReading) {
+ threadIsReading = true;
+ notify();
+ }
+
+ boolean isInfinite = (timeout <= 0L);
+
+ /*
+ * So the thread is currently doing the reading for us. So
+ * now we play the waiting game.
+ */
+ while (isInfinite || timeout > 0L) {
+ long start = System.currentTimeMillis ();
+
+ try {
+ wait(timeout);
+ }
+ catch (InterruptedException e) {
+ /* IGNORED */
+ }
+
+ if (exception != null) {
+ assert ch == -2;
+
+ IOException toBeThrown = exception;
+ if (!isPeek)
+ exception = null;
+ throw toBeThrown;
+ }
+
+ if (ch >= -1) {
+ assert exception == null;
+ break;
+ }
+
+ if (!isInfinite) {
+ timeout -= System.currentTimeMillis() - start;
+ }
+ }
+ }
+
+ /*
+ * ch is the character that was just read. Either we set it because
+ * a local read was performed or the read thread set it (or failed to
+ * change it). We will return it's value, but if this was a peek
+ * operation, then we leave it in place.
+ */
+ int ret = ch;
+ if (!isPeek) {
+ ch = -2;
+ }
+ return ret;
+ }
+
+ /**
+ * This version of read() is very specific to jline's purposes, it
+ * will always always return a single byte at a time, rather than filling
+ * the entire buffer.
+ */
+ @Override
+ public int read (byte[] b, int off, int len) throws IOException {
+ if (b == null) {
+ throw new NullPointerException();
+ } else if (off < 0 || len < 0 || len > b.length - off) {
+ throw new IndexOutOfBoundsException();
+ } else if (len == 0) {
+ return 0;
+ }
+
+ int c;
+ if (nonBlockingEnabled)
+ c = this.read(0L);
+ else
+ c = in.read();
+
+ if (c == -1) {
+ return -1;
+ }
+ b[off] = (byte)c;
+ return 1;
+ }
+
+ //@Override
+ public void run () {
+ Log.debug("NonBlockingInputStream start");
+ boolean needToShutdown = false;
+ boolean needToRead = false;
+
+ while (!needToShutdown) {
+
+ /*
+ * Synchronize to grab variables accessed by both this thread
+ * and the accessing thread.
+ */
+ synchronized (this) {
+ needToShutdown = this.isShutdown;
+ needToRead = this.threadIsReading;
+
+ try {
+ /*
+ * Nothing to do? Then wait.
+ */
+ if (!needToShutdown && !needToRead) {
+ wait(0);
+ }
+ }
+ catch (InterruptedException e) {
+ /* IGNORED */
+ }
+ }
+
+ /*
+ * We're not shutting down, but we need to read. This cannot
+ * happen while we are holding the lock (which we aren't now).
+ */
+ if (!needToShutdown && needToRead) {
+ int charRead = -2;
+ IOException failure = null;
+ try {
+ charRead = in.read();
+ }
+ catch (IOException e) {
+ failure = e;
+ }
+
+ /*
+ * Re-grab the lock to update the state.
+ */
+ synchronized (this) {
+ exception = failure;
+ ch = charRead;
+ threadIsReading = false;
+ notify();
+ }
+ }
+ }
+
+ Log.debug("NonBlockingInputStream shutdown");
+ }
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/Nullable.java 2015-06-18 03:05:29.800990497 -0700
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.lang.annotation.*;
+
+/**
+ * Marker for reference which can be a null value.
+ *
+ * @since 2.7
+ */
+@Documented
+@Retention(RetentionPolicy.CLASS)
+@Target({ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER, ElementType.LOCAL_VARIABLE})
+public @interface Nullable
+{
+ String value() default "";
+}
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/Preconditions.java 2015-06-18 03:05:30.440995127 -0700
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+// Some bits lifted from Guava's ( http://code.google.com/p/guava-libraries/ ) Preconditions.
+
+/**
+ * Preconditions.
+ *
+ * @author Jason Dillon
+ * @since 2.7
+ */
+public class Preconditions
+{
+ public static T checkNotNull(final T reference) {
+ if (reference == null) {
+ throw new NullPointerException();
+ }
+ return reference;
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/ShutdownHooks.java 2015-06-18 03:05:30.971998969 -0700
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Manages the JLine shutdown-hook thread and tasks to execute on shutdown.
+ *
+ * @author Jason Dillon
+ * @since 2.7
+ */
+public class ShutdownHooks
+{
+ public static final String JLINE_SHUTDOWNHOOK = "jline.shutdownhook";
+
+ private static final boolean enabled = Configuration.getBoolean(JLINE_SHUTDOWNHOOK, true);
+
+ private static final List tasks = new ArrayList();
+
+ private static Thread hook;
+
+ public static synchronized T add(final T task) {
+ checkNotNull(task);
+
+ // If not enabled ignore
+ if (!enabled) {
+ Log.debug("Shutdown-hook is disabled; not installing: ", task);
+ return task;
+ }
+
+ // Install the hook thread if needed
+ if (hook == null) {
+ hook = addHook(new Thread("JLine Shutdown Hook")
+ {
+ @Override
+ public void run() {
+ runTasks();
+ }
+ });
+ }
+
+ // Track the task
+ Log.debug("Adding shutdown-hook task: ", task);
+ tasks.add(task);
+
+ return task;
+ }
+
+ private static synchronized void runTasks() {
+ Log.debug("Running all shutdown-hook tasks");
+
+ // Iterate through copy of tasks list
+ for (Task task : tasks.toArray(new Task[tasks.size()])) {
+ Log.debug("Running task: ", task);
+ try {
+ task.run();
+ }
+ catch (Throwable e) {
+ Log.warn("Task failed", e);
+ }
+ }
+
+ tasks.clear();
+ }
+
+ private static Thread addHook(final Thread thread) {
+ Log.debug("Registering shutdown-hook: ", thread);
+ try {
+ Runtime.getRuntime().addShutdownHook(thread);
+ }
+ catch (AbstractMethodError e) {
+ // JDK 1.3+ only method. Bummer.
+ Log.debug("Failed to register shutdown-hook", e);
+ }
+ return thread;
+ }
+
+ public static synchronized void remove(final Task task) {
+ checkNotNull(task);
+
+ // ignore if not enabled or hook never installed
+ if (!enabled || hook == null) {
+ return;
+ }
+
+ // Drop the task
+ tasks.remove(task);
+
+ // If there are no more tasks, then remove the hook thread
+ if (tasks.isEmpty()) {
+ removeHook(hook);
+ hook = null;
+ }
+ }
+
+ private static void removeHook(final Thread thread) {
+ Log.debug("Removing shutdown-hook: ", thread);
+
+ try {
+ Runtime.getRuntime().removeShutdownHook(thread);
+ }
+ catch (AbstractMethodError e) {
+ // JDK 1.3+ only method. Bummer.
+ Log.debug("Failed to remove shutdown-hook", e);
+ }
+ catch (IllegalStateException e) {
+ // The VM is shutting down, not a big deal; ignore
+ }
+ }
+
+ /**
+ * Essentially a {@link Runnable} which allows running to throw an exception.
+ */
+ public static interface Task
+ {
+ void run() throws Exception;
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/TerminalLineSettings.java 2015-06-18 03:05:31.565003260 -0700
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.text.MessageFormat;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static jline.internal.Preconditions.checkNotNull;
+
+/**
+ * Provides access to terminal line settings via stty.
+ *
+ * @author Marc Prud'hommeaux
+ * @author Dale Kemp
+ * @author Jason Dillon
+ * @author Jean-Baptiste Onofré
+ * @since 2.0
+ */
+public final class TerminalLineSettings
+{
+ public static final String JLINE_STTY = "jline.stty";
+
+ public static final String DEFAULT_STTY = "stty";
+
+ public static final String JLINE_SH = "jline.sh";
+
+ public static final String DEFAULT_SH = "sh";
+
+ private String sttyCommand;
+
+ private String shCommand;
+
+ private String config;
+ private String initialConfig;
+
+ private long configLastFetched;
+
+ public TerminalLineSettings() throws IOException, InterruptedException {
+ sttyCommand = Configuration.getString(JLINE_STTY, DEFAULT_STTY);
+ shCommand = Configuration.getString(JLINE_SH, DEFAULT_SH);
+ initialConfig = get("-g").trim();
+ config = get("-a");
+ configLastFetched = System.currentTimeMillis();
+
+ Log.debug("Config: ", config);
+
+ // sanity check
+ if (config.length() == 0) {
+ throw new IOException(MessageFormat.format("Unrecognized stty code: {0}", config));
+ }
+ }
+
+ public String getConfig() {
+ return config;
+ }
+
+ public void restore() throws IOException, InterruptedException {
+ set(initialConfig);
+ }
+
+ public String get(final String args) throws IOException, InterruptedException {
+ return stty(args);
+ }
+
+ public void set(final String args) throws IOException, InterruptedException {
+ stty(args);
+ }
+
+ /**
+ *
+ * Get the value of a stty property, including the management of a cache.
+ *
+ *
+ * @param name the stty property.
+ * @return the stty property value.
+ */
+ public int getProperty(String name) {
+ checkNotNull(name);
+ long currentTime = System.currentTimeMillis();
+ try {
+ // tty properties are cached so we don't have to worry too much about getting term width/height
+ if (config == null || currentTime - configLastFetched > 1000) {
+ config = get("-a");
+ }
+ } catch (Exception e) {
+ if (e instanceof InterruptedException) {
+ Thread.currentThread().interrupt();
+ }
+ Log.debug("Failed to query stty ", name, "\n", e);
+ if (config == null) {
+ return -1;
+ }
+ }
+
+ // always update the last fetched time and try to parse the output
+ if (currentTime - configLastFetched > 1000) {
+ configLastFetched = currentTime;
+ }
+
+ return this.getProperty(name, config);
+ }
+
+ /**
+ *
+ * Parses a stty output (provided by stty -a) and return the value of a given property.
+ *
+ *
+ * @param name property name.
+ * @param stty string resulting of stty -a execution.
+ * @return value of the given property.
+ */
+ protected static int getProperty(String name, String stty) {
+ // try the first kind of regex
+ Pattern pattern = Pattern.compile(name + "\\s+=\\s+(.*?)[;\\n\\r]");
+ Matcher matcher = pattern.matcher(stty);
+ if (!matcher.find()) {
+ // try a second kind of regex
+ pattern = Pattern.compile(name + "\\s+([^;]*)[;\\n\\r]");
+ matcher = pattern.matcher(stty);
+ if (!matcher.find()) {
+ // try a second try of regex
+ pattern = Pattern.compile("(\\S*)\\s+" + name);
+ matcher = pattern.matcher(stty);
+ if (!matcher.find()) {
+ return -1;
+ }
+ }
+ }
+ return parseControlChar(matcher.group(1));
+ }
+
+ private static int parseControlChar(String str) {
+ // under
+ if ("".equals(str)) {
+ return -1;
+ }
+ // octal
+ if (str.charAt(0) == '0') {
+ return Integer.parseInt(str, 8);
+ }
+ // decimal
+ if (str.charAt(0) >= '1' && str.charAt(0) <= '9') {
+ return Integer.parseInt(str, 10);
+ }
+ // control char
+ if (str.charAt(0) == '^') {
+ if (str.charAt(1) == '?') {
+ return 127;
+ } else {
+ return str.charAt(1) - 64;
+ }
+ } else if (str.charAt(0) == 'M' && str.charAt(1) == '-') {
+ if (str.charAt(2) == '^') {
+ if (str.charAt(3) == '?') {
+ return 127 + 128;
+ } else {
+ return str.charAt(3) - 64 + 128;
+ }
+ } else {
+ return str.charAt(2) + 128;
+ }
+ } else {
+ return str.charAt(0);
+ }
+ }
+
+ private String stty(final String args) throws IOException, InterruptedException {
+ checkNotNull(args);
+ return exec(String.format("%s %s < /dev/tty", sttyCommand, args));
+ }
+
+ private String exec(final String cmd) throws IOException, InterruptedException {
+ checkNotNull(cmd);
+ return exec(shCommand, "-c", cmd);
+ }
+
+ private String exec(final String... cmd) throws IOException, InterruptedException {
+ checkNotNull(cmd);
+
+ ByteArrayOutputStream bout = new ByteArrayOutputStream();
+
+ Log.trace("Running: ", cmd);
+
+ Process p = Runtime.getRuntime().exec(cmd);
+
+ InputStream in = null;
+ InputStream err = null;
+ OutputStream out = null;
+ try {
+ int c;
+ in = p.getInputStream();
+ while ((c = in.read()) != -1) {
+ bout.write(c);
+ }
+ err = p.getErrorStream();
+ while ((c = err.read()) != -1) {
+ bout.write(c);
+ }
+ out = p.getOutputStream();
+ p.waitFor();
+ }
+ finally {
+ close(in, out, err);
+ }
+
+ String result = bout.toString();
+
+ Log.trace("Result: ", result);
+
+ return result;
+ }
+
+ private static void close(final Closeable... closeables) {
+ for (Closeable c : closeables) {
+ try {
+ c.close();
+ }
+ catch (Exception e) {
+ // Ignore
+ }
+ }
+ }
+}
+
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/TestAccessible.java 2015-06-18 03:05:32.462009749 -0700
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.CONSTRUCTOR;
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * Marker annotation for members which are exposed for testing access.
+ *
+ * @since 2.7
+ */
+@Retention(RUNTIME)
+@Target({TYPE, CONSTRUCTOR, METHOD, FIELD, PARAMETER})
+@Documented
+public @interface TestAccessible
+{
+ // empty
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/Urls.java 2015-06-18 03:05:33.243015400 -0700
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+package jline.internal;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+/**
+ * URL helpers.
+ *
+ * @author Jason Dillon
+ * @author Guillaume Nodet
+ * @since 2.7
+ */
+public class Urls
+{
+ public static URL create(final String input) {
+ if (input == null) {
+ return null;
+ }
+ try {
+ return new URL(input);
+ }
+ catch (MalformedURLException e) {
+ return create(new File(input));
+ }
+ }
+
+ public static URL create(final File file) {
+ try {
+ return file != null ? file.toURI().toURL() : null;
+ }
+ catch (MalformedURLException e) {
+ throw new IllegalStateException(e);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/internal/package-info.java 2015-06-18 03:05:33.809019494 -0700
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+/**
+ * Internal support.
+ *
+ * @since 2.0
+ */
+package jline.internal;
\ No newline at end of file
--- /dev/null 2015-04-26 06:51:08.003313989 -0700
+++ new/jdk/src/jdk.jline/share/classes/jdk/internal/jline/package-info.java 2015-06-18 03:05:34.482024364 -0700
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2002-2012, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ */
+/**
+ * JLine 2.
+ *
+ * @since 2.0
+ */
+package jline;
\ No newline at end of file