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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.internal.text.revisions;
import org.eclipse.jface.text.Assert;
/**
* A hunk is a sequence of changed, added or deleted lines. <code>Hunk</code>s are separated by
* one or more unchanged lines.
*
* @since 3.2
*/
public final class Hunk {
/** The line at which the hunk starts. */
public final int line;
/** The difference in lines compared to the corresponding line region in the original. */
public final int delta;
/** The number of changed lines in this hunk. */
public final int changed;
/**
* Creates a new hunk.
*
* @param line the line at which the hunk starts
* @param delta the difference in lines compared to the original
* @param changed the number of changed lines in this hunk
*/
public Hunk(int line, int delta, int changed) {
Assert.isLegal(line >= 0);
Assert.isLegal(changed >= 0);
this.line= line;
this.delta= delta;
this.changed= changed;
}
/*
* @see java.lang.Object#toString()
*/
public String toString() {
return "Hunk [" + line + ">" + changed + (delta < 0 ? "-" : "+") + Math.abs(delta) + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
}
}
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