diff options
Diffstat (limited to 'bundles/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/IRangeComparator.java')
-rw-r--r-- | bundles/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/IRangeComparator.java | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/IRangeComparator.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/IRangeComparator.java deleted file mode 100644 index 70bd1d5e0..000000000 --- a/bundles/org.eclipse.compare/compare/org/eclipse/compare/rangedifferencer/IRangeComparator.java +++ /dev/null @@ -1,60 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 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; - -/** - * For breaking an object to compare into a sequence of comparable entities. - * <p> - * It is used by <code>RangeDifferencer</code> to find longest sequences of - * matching and non-matching ranges. - * <p> - * For example, to compare two text documents and find longest common sequences - * of matching and non-matching lines, the implementation must break the document - * into lines. <code>getRangeCount</code> would return the number of lines in the - * document, and <code>rangesEqual</code> would compare a specified line given - * with one in another <code>IRangeComparator</code>. - * </p> - * <p> - * Clients should implement this interface; there is no standard implementation. - * </p> - */ -public interface IRangeComparator { - - /** - * Returns the number of comparable entities. - * - * @return the number of comparable entities - */ - int getRangeCount(); - - /** - * Returns whether the comparable entity given by the first index - * matches an entity specified by the other <code>IRangeComparator</code> and index. - * - * @param thisIndex the index of the comparable entity within this <code>IRangeComparator</code> - * @param other the IRangeComparator to compare this with - * @param otherIndex the index of the comparable entity within the other <code>IRangeComparator</code> - * @return <code>true</code> if the comparable entities are equal - */ - boolean rangesEqual(int thisIndex, IRangeComparator other, int otherIndex); - - /** - * Returns whether a comparison should be skipped because it would be too costly (or lengthy). - * - * @param length a number on which to base the decision whether to return - * <code>true</code> or <code>false</code> - * @param maxLength another number on which to base the decision whether to return - * <code>true</code> or <code>false</code> - * @param other the other <code>IRangeComparator</code> to compare with - * @return <code>true</code> to avoid a too lengthy range comparison - */ - boolean skipRangeComparison(int length, int maxLength, IRangeComparator other); -} |