JDK 11 jdk.internal.le.jmod is the JMOD file for JDK 11 Internal Line Editing module.

JDK 11 Internal Line Editing module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.internal.le.jmod.

JDK 11 Internal Line Editing module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Internal Line Editing module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.internal.le.

You can click and view the content of each source code file in the list below.

⏎ jdk/internal/jline/console/CursorBuffer.java

/*
 * 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.console;

import static jdk.internal.jline.internal.Preconditions.checkNotNull;

/**
 * A holder for a {@link StringBuilder} that also contains the current cursor position.
 *
 * @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 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();
    }
}

⏎ jdk/internal/jline/console/CursorBuffer.java

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