src/jdk.internal.le/share/classes/jdk/internal/jline/WindowsTerminal.java
changeset 53333 fd6de53a0d6e
parent 53332 ab474ef0a0ac
parent 53010 086dfcfc3731
child 53334 b94283cb226b
--- a/src/jdk.internal.le/share/classes/jdk/internal/jline/WindowsTerminal.java	Thu Sep 13 01:49:48 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,617 +0,0 @@
-/*
- * Copyright (c) 2002-2016, 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 jdk.internal.jline;
-
-import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import jdk.internal.jline.extra.AnsiInterpretingOutputStream;
-import jdk.internal.jline.extra.AnsiInterpretingOutputStream.BufferState;
-import jdk.internal.jline.extra.AnsiInterpretingOutputStream.Performer;
-import jdk.internal.jline.internal.Configuration;
-import jdk.internal.jline.internal.Log;
-//import org.fusesource.jansi.internal.WindowsSupport;
-//import org.fusesource.jansi.internal.Kernel32;
-//import static org.fusesource.jansi.internal.Kernel32.*;
-
-import static jdk.internal.jline.WindowsTerminal.ConsoleMode.ENABLE_ECHO_INPUT;
-import static jdk.internal.jline.WindowsTerminal.ConsoleMode.ENABLE_LINE_INPUT;
-import static jdk.internal.jline.WindowsTerminal.ConsoleMode.ENABLE_PROCESSED_INPUT;
-import static jdk.internal.jline.WindowsTerminal.ConsoleMode.ENABLE_WINDOW_INPUT;
-
-/**
- * Terminal implementation for Microsoft Windows. Terminal initialization in
- * {@link #init} is accomplished by extracting the
- * <em>jline_<i>version</i>.dll</em>, saving it to the system temporary
- * directoy (determined by the setting of the <em>java.io.tmpdir</em> System
- * property), loading the library, and then calling the Win32 APIs <a
- * href="http://msdn.microsoft.com/library/default.asp?
- * url=/library/en-us/dllproc/base/setconsolemode.asp">SetConsoleMode</a> and
- * <a href="http://msdn.microsoft.com/library/default.asp?
- * url=/library/en-us/dllproc/base/getconsolemode.asp">GetConsoleMode</a> to
- * disable character echoing.
- * <p/>
- * <p>
- * 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 <code>jline.WindowsTerminal.directConsole</code> system property
- * to <code>false</code>.
- * </p>
- *
- * @author <a href="mailto:mwp1@cornell.edu">Marc Prud'hommeaux</a>
- * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
- * @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));
-        setAnsiSupported(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_WINDOW_INPUT.code);
-        }
-        else {
-            setConsoleMode(getConsoleMode() &
-                ~(ENABLE_LINE_INPUT.code |
-                    ENABLE_ECHO_INPUT.code |
-                    ENABLE_WINDOW_INPUT.code));
-        }
-        super.setEchoEnabled(enabled);
-    }
-
-    public void disableInterruptCharacter() {
-        setConsoleMode(getConsoleMode() &
-            ~(ENABLE_PROCESSED_INPUT.code));
-    }
-
-    public void enableInterruptCharacter() {
-        setConsoleMode(getConsoleMode() |
-            ENABLE_PROCESSED_INPUT.code);
-    }
-
-    /**
-     * 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 OutputStream wrapOutIfNeeded(OutputStream out) {
-        return new AnsiInterpretingOutputStream(getOutputEncoding(), out, new Performer() {
-            @Override
-            public BufferState getBufferState() throws IOException {
-                out.flush();
-                return WindowsTerminal.this.getBufferState();
-            }
-            @Override
-            public void setCursorPosition(int cursorX, int cursorY) throws IOException {
-                out.flush();
-                WindowsTerminal.this.setCursorPosition(cursorX, cursorY);
-            }
-        });
-    }
-
-    @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();
-    }
-
-    //
-    // Original code:
-    //
-//    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 <ascii>
-//                    // 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();
-//    }
-
-    //
-    // Native Bits
-    //
-    static {
-        System.loadLibrary("le");
-        initIDs();
-    }
-
-    private static native void initIDs();
-
-    protected native int getConsoleMode();
-
-    protected native void setConsoleMode(int mode);
-
-    private byte[] readConsoleInput() {
-        KEY_EVENT_RECORD keyEvent = readKeyEvent();
-
-        return convertKeys(keyEvent).getBytes();
-    }
-
-    public static String convertKeys(KEY_EVENT_RECORD keyEvent) {
-        if (keyEvent == null) {
-            return "";
-        }
-
-        StringBuilder sb = new StringBuilder();
-
-        if (keyEvent.keyDown) {
-            if (keyEvent.uchar > 0) {
-                // support some C1 control sequences: ALT + [@-_] (and [a-z]?) => ESC <ascii>
-                // http://en.wikipedia.org/wiki/C0_and_C1_control_codes#C1_set
-                final int altState = KEY_EVENT_RECORD.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.CTRL_PRESSED;
-
-                boolean handled = false;
-
-                if ((keyEvent.controlKeyState & ctrlState) != 0) {
-                    switch (keyEvent.keyCode) {
-                        case 0x43: //Ctrl-C
-                            sb.append("\003");
-                            handled = true;
-                            break;
-                    }
-                }
-
-                if ((keyEvent.controlKeyState & KEY_EVENT_RECORD.SHIFT_PRESSED) != 0) {
-                    switch (keyEvent.keyCode) {
-                        case 0x09: //Shift-Tab
-                            sb.append("\033\133\132");
-                            handled = true;
-                            break;
-                    }
-                }
-
-                if (!handled) {
-                    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);
-                }
-            } else {
-                // virtual keycodes: http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx
-                // xterm escape codes: E. Moy, S. Gildea and T. Dickey, "XTerm Control Sequences":
-                // http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
-                // http://xorg.freedesktop.org/releases/X11R6.8.1/PDF/ctlseqs.pdf
-                // just add support for basic editing keys and function keys
-                String escapeSequence = null;
-                switch (keyEvent.keyCode) {
-                case 0x21: // VK_PRIOR PageUp
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[5~", "\u001B[5;%d~");
-                    break;
-                case 0x22: // VK_NEXT PageDown
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[6~", "\u001B[6;%d~");
-                    break;
-                case 0x23: // VK_END
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[4~", "\u001B[4;%d~");
-                    break;
-                case 0x24: // VK_HOME
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[1~", "\u001B[1;%d~");
-                    break;
-                case 0x25: // VK_LEFT
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[D", "\u001B[1;%dD");
-                    break;
-                case 0x26: // VK_UP
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[A", "\u001B[1;%dA");
-                    break;
-                case 0x27: // VK_RIGHT
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[C", "\u001B[1;%dC");
-                    break;
-                case 0x28: // VK_DOWN
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[B", "\u001B[1;%dB");
-                    break;
-                case 0x2D: // VK_INSERT
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[2~", "\u001B[2;%d~");
-                    break;
-                case 0x2E: // VK_DELETE
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[3~", "\u001B[3;%d~");
-                    break;
-                case 0x70: // VK_F1
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001BOP", "\u001BO%dP");
-                    break;
-                case 0x71: // VK_F2
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001BOQ", "\u001BO%dQ");
-                    break;
-                case 0x72: // VK_F3
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001BOR", "\u001BO%dR");
-                    break;
-                case 0x73: // VK_F4
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001BOS", "\u001BO%dS");
-                    break;
-                case 0x74: // VK_F5
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[15~", "\u001B[15;%d~");
-                    break;
-                case 0x75: // VK_F6
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[17~", "\u001B[17;%d~");
-                    break;
-                case 0x76: // VK_F7
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[18~", "\u001B[18;%d~");
-                    break;
-                case 0x77: // VK_F8
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[19~", "\u001B[19;%d~");
-                    break;
-                case 0x78: // VK_F9
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[20~", "\u001B[20;%d~");
-                    break;
-                case 0x79: // VK_F10
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[21~", "\u001B[21;%d~");
-                    break;
-                case 0x7A: // VK_F11
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[23~", "\u001B[23;%d~");
-                    break;
-                case 0x7B: // VK_F12
-                    escapeSequence = escapeSequence(keyEvent.controlKeyState, "\u001B[24~", "\u001B[24;%d~");
-                    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();
-    }
-
-    private static String escapeSequence(int controlKeyState, String noControlSequence, String withControlSequence) {
-        int controlNum = 1;
-
-        if ((controlKeyState & KEY_EVENT_RECORD.SHIFT_PRESSED) != 0) {
-            controlNum += 1;
-        }
-
-        if ((controlKeyState & KEY_EVENT_RECORD.ALT_PRESSED) != 0) {
-            controlNum += 2;
-        }
-
-        if ((controlKeyState & KEY_EVENT_RECORD.CTRL_PRESSED) != 0) {
-            controlNum += 4;
-        }
-
-        if (controlNum > 1) {
-            return String.format(withControlSequence, controlNum);
-        } else {
-            return noControlSequence;
-        }
-    }
-
-    private native KEY_EVENT_RECORD readKeyEvent();
-
-    public static class KEY_EVENT_RECORD {
-        public final static int ALT_PRESSED = 0x3;
-        public final static int CTRL_PRESSED = 0xC;
-        public final static int SHIFT_PRESSED = 0x10;
-        public final boolean keyDown;
-        public final char uchar;
-        public final int controlKeyState;
-        public final int keyCode;
-        public final int repeatCount;
-
-        public KEY_EVENT_RECORD(boolean keyDown, char uchar, int controlKeyState, int keyCode, int repeatCount) {
-            this.keyDown = keyDown;
-            this.uchar = uchar;
-            this.controlKeyState = controlKeyState;
-            this.keyCode = keyCode;
-            this.repeatCount = repeatCount;
-        }
-
-    }
-
-    private native int getConsoleOutputCodepage();
-
-    private native int getWindowsTerminalWidth();
-
-    private native int getWindowsTerminalHeight();
-
-    private native BufferState getBufferState();
-
-    private native void setCursorPosition(int x, int y);
-
-    /**
-     * Console mode
-     * <p/>
-     * Constants copied <tt>wincon.h</tt>.
-     */
-    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;
-        }
-    }
-
-}