| /*=============================================================================# |
| # Copyright (c) 2015, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.text.core; |
| |
| import org.eclipse.jface.text.IRegion; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| import org.eclipse.statet.jcommons.text.core.BasicTextRegion; |
| import org.eclipse.statet.jcommons.text.core.TextRegion; |
| |
| |
| /** |
| * TextRegion also implementing JFace IRegion |
| */ |
| @NonNullByDefault |
| public class JFaceTextRegion extends BasicTextRegion implements IRegion { |
| |
| |
| public static final JFaceTextRegion toJFaceRegion(final TextRegion region) { |
| return (region instanceof JFaceTextRegion) ? |
| (JFaceTextRegion) region : |
| new JFaceTextRegion(region); |
| } |
| |
| public static final JFaceTextRegion toTextRegion(final IRegion region) { |
| return (region instanceof JFaceTextRegion) ? |
| (JFaceTextRegion) region : |
| new JFaceTextRegion(region.getOffset(), region.getOffset() + region.getLength()); |
| } |
| |
| public static final JFaceTextRegion newByStartLength(final int startOffset, final int length) { |
| return new JFaceTextRegion(startOffset, startOffset + length); |
| } |
| |
| public static final JFaceTextRegion newByStartEnd(final int startOffset, final int endOffset) { |
| return new JFaceTextRegion(startOffset, endOffset); |
| } |
| |
| |
| protected JFaceTextRegion(final int startOffset, final int endOffset) { |
| super(startOffset, endOffset); |
| } |
| |
| protected JFaceTextRegion(final TextRegion region) { |
| super(region); |
| } |
| |
| |
| @Override |
| public final int getOffset() { |
| return getStartOffset(); |
| } |
| |
| |
| @Override |
| public boolean equals(final @Nullable Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof TextRegion) { |
| return super.equals(obj); |
| } |
| if (obj instanceof IRegion) { |
| final IRegion other= (IRegion) obj; |
| return (getOffset() == other.getOffset() |
| && getLength() == other.getLength() ); |
| } |
| return false; |
| } |
| |
| } |