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Diffstat (limited to 'bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/RangeDifference.java')
| -rw-r--r-- | bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/RangeDifference.java | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/RangeDifference.java b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/RangeDifference.java deleted file mode 100644 index 296cb9662..000000000 --- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/RangeDifference.java +++ /dev/null @@ -1,208 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.compare.rangedifferencer; - -/** - * Description of a change between two or three ranges of comparable entities. - * <p> - * <code>RangeDifference</code> objects are the elements of a compare result returned from - * the <code>RangeDifferencer</code> <code>find* </code> methods. - * Clients use these objects as they are returned from the differencer. - * This class is not intended to be instantiated or subclassed. - * <p> - * Note: A range in the <code>RangeDifference</code> object is given as a start index - * and length in terms of comparable entities. However, these entity indices and counts - * are not necessarily character positions. For example, if an entity represents a line - * in a document, the start index would be a line number and the count would be in lines. - * </p> - * - * @see RangeDifferencer - */ -public class RangeDifference { - - /** Two-way change constant indicating no change. */ - public final static int NOCHANGE= 0; - /** Two-way change constant indicating two-way change (same as <code>RIGHT</code>) */ - public final static int CHANGE= 2; - - /** Three-way change constant indicating a change in both right and left. */ - public final static int CONFLICT= 1; - /** Three-way change constant indicating a change in right. */ - public final static int RIGHT= 2; - /** Three-way change constant indicating a change in left. */ - public final static int LEFT= 3; - /** - * Three-way change constant indicating the same change in both right and left, - * that is only the ancestor is different. - */ - public final static int ANCESTOR= 4; - - /** Constant indicating an unknown change kind. */ - public final static int ERROR= 5; - - /** the kind of change: NOCHANGE, CHANGE, LEFT, RIGHT, ANCESTOR, CONFLICT, ERROR */ - int fKind; - - int fLeftStart; - int fLeftLength; - int fRightStart; - int fRightLength; - int lAncestorStart; - int lAncestorLength; - - /** - * Creates a new range difference with the given change kind. - * - * @param changeKind the kind of change - */ - /* package */ RangeDifference(int changeKind) { - fKind= changeKind; - } - - /** - * Creates a new <code>RangeDifference</code> with the given change kind - * and left and right ranges. - * - * @param changeKind the kind of change - * @param rightStart start index of entity on right side - * @param rightLength number of entities on right side - * @param leftStart start index of entity on left side - * @param leftLength number of entities on left side - */ - /* package */ RangeDifference(int kind, int rightStart, int rightLength, int leftStart, int leftLength) { - fKind= kind; - fRightStart= rightStart; - fRightLength= rightLength; - fLeftStart= leftStart; - fLeftLength= leftLength; - } - - /** - * Creates a new <code>RangeDifference</code> with the given change kind - * and left, right, and ancestor ranges. - * - * @param changeKind the kind of change - * @param rightStart start index of entity on right side - * @param rightLength number of entities on right side - * @param leftStart start index of entity on left side - * @param leftLength number of entities on left side - * @param ancestorStart start index of entity on ancestor side - * @param ancestorLength number of entities on ancestor side - */ - /* package */ RangeDifference(int kind, int rightStart, int rightLength, int leftStart, int leftLength, - int ancestorStart, int ancestorLength) { - this(kind, rightStart, rightLength, leftStart, leftLength); - lAncestorStart= ancestorStart; - lAncestorLength= ancestorLength; - } - - /** - * Returns the kind of difference. - * - * @return the kind of difference, one of - * <code>NOCHANGE</code>, <code>CHANGE</code>, <code>LEFT</code>, <code>RIGHT</code>, - * <code>ANCESTOR</code>, <code>CONFLICT</code>, <code>ERROR</code> - */ - public int kind() { - return fKind; - } - - /** - * Returns the start index of the entity range on the ancestor side. - * - * @return the start index of the entity range on the ancestor side - */ - public int ancestorStart() { - return lAncestorStart; - } - - /** - * Returns the number of entities on the ancestor side. - * - * @return the number of entities on the ancestor side - */ - public int ancestorLength() { - return lAncestorLength; - } - - /** - * Returns the end index of the entity range on the ancestor side. - * - * @return the end index of the entity range on the ancestor side - */ - public int ancestorEnd() { - return lAncestorStart + lAncestorLength; - } - - /** - * Returns the start index of the entity range on the right side. - * - * @return the start index of the entity range on the right side - */ - public int rightStart() { - return fRightStart; - } - - /** - * Returns the number of entities on the right side. - * - * @return the number of entities on the right side - */ - public int rightLength() { - return fRightLength; - } - - /** - * Returns the end index of the entity range on the right side. - * - * @return the end index of the entity range on the right side - */ - public int rightEnd() { - return fRightStart + fRightLength; - } - - /** - * Returns the start index of the entity range on the left side. - * - * @return the start index of the entity range on the left side - */ - public int leftStart() { - return fLeftStart; - } - - /** - * Returns the number of entities on the left side. - * - * @return the number of entities on the left side - */ - public int leftLength() { - return fLeftLength; - } - - /** - * Returns the end index of the entity range on the left side. - * - * @return the end index of the entity range on the left side - */ - public int leftEnd() { - return fLeftStart + fLeftLength; - } - - /** - * Returns the maximum number of entities in the left, right, and ancestor sides of this range. - * - * @return the maximum number of entities in the left, right, and ancestor sides of this range - */ - public int maxLength() { - return Math.max(fRightLength, Math.max(fLeftLength, lAncestorLength)); - } -} - |