src/jdk.internal.le/share/classes/jdk/internal/jline/console/CursorBuffer.java
branchJDK-8200758-branch
changeset 57072 29604aafa0fc
parent 57071 94e9270166f0
parent 52979 7384e00d5860
child 57076 687505381ca4
--- a/src/jdk.internal.le/share/classes/jdk/internal/jline/console/CursorBuffer.java	Wed Dec 12 08:27:16 2018 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,121 +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.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();
-    }
-}