| /******************************************************************************* |
| * Copyright (c) 2014, 2015 EclipseSource Muenchen GmbH and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Philip Langer - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.compare.internal.dmp; |
| |
| import java.util.LinkedList; |
| |
| /** |
| * Extends {@link diff_match_patch} with a line-based diffing capability. |
| * <p> |
| * This extension is adopted from the descriptions and comments at |
| * https://code.google.com/p/google-diff-match-patch/wiki/LineOrWordDiffs |
| * </p> |
| * |
| * @author Philip Langer <planger@eclipsesource.com> |
| */ |
| public class LineBasedDiff extends diff_match_patch { |
| |
| /** |
| * Computes differences between {@code text1} and {@code text2} based on lines only (as opposed to |
| * character or word-based diffing). |
| * |
| * @param text1 |
| * Version 1 of a text. |
| * @param text2 |
| * Version 2 of a text. |
| * @return The list of differences. |
| */ |
| public LinkedList<Diff> computeLineBasedDiff(String text1, String text2) { |
| final LinesToCharsResult lines = diff_linesToChars(text1, text2); |
| final LinkedList<Diff> diffs = diff_main(lines.chars1, lines.chars2, true); |
| diff_charsToLines(diffs, lines.lineArray); |
| return diffs; |
| } |
| |
| } |
