| /******************************************************************************* |
| * Copyright (c) 2000, 2019 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Paul Pazderski - Bug 545252: cloned document was only partial read-only |
| *******************************************************************************/ |
| package org.eclipse.jface.text; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| |
| /** |
| * An {@link org.eclipse.jface.text.IDocument} that is a read-only clone of another document. |
| * |
| * @since 3.0 |
| */ |
| class DocumentClone extends AbstractDocument { |
| |
| private static class StringTextStore implements ITextStore { |
| |
| private String fContent; |
| |
| /** |
| * Creates a new string text store with the given content. |
| * |
| * @param content the content |
| */ |
| public StringTextStore(String content) { |
| Assert.isNotNull(content); |
| fContent= content; |
| } |
| |
| @Override |
| public char get(int offset) { |
| return fContent.charAt(offset); |
| } |
| |
| @Override |
| public String get(int offset, int length) { |
| return fContent.substring(offset, offset + length); |
| } |
| |
| @Override |
| public int getLength() { |
| return fContent.length(); |
| } |
| |
| @Override |
| public void replace(int offset, int length, String text) { |
| // not allowed |
| } |
| |
| @Override |
| public void set(String text) { |
| // not allowed |
| } |
| } |
| |
| /** |
| * Creates a new document clone with the given content. |
| * |
| * @param content the content |
| * @param lineDelimiters the line delimiters |
| */ |
| public DocumentClone(String content, String[] lineDelimiters) { |
| super(); |
| setTextStore(new StringTextStore(content)); |
| |
| boolean hasDefaultDelims= Arrays.equals(lineDelimiters, DefaultLineTracker.DELIMITERS); |
| ILineTracker tracker= hasDefaultDelims ? new DefaultLineTracker() : new ConfigurableLineTracker(lineDelimiters); |
| setLineTracker(tracker); |
| getTracker().set(content); |
| completeInitialization(); |
| } |
| |
| @Override |
| public void replace(int pos, int length, String text) throws BadLocationException { |
| // not allowed |
| } |
| |
| @Override |
| public void replace(int pos, int length, String text, long modificationStamp) throws BadLocationException { |
| // not allowed |
| } |
| |
| @Override |
| public void set(String text) { |
| // not allowed |
| } |
| |
| @Override |
| public void set(String text, long modificationStamp) { |
| //not allowed |
| } |
| } |