org.testifyproject.tukaani.xz.delta.DeltaCoder Maven / Gradle / Ivy
/*
* DeltaCoder
*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
package org.testifyproject.tukaani.xz.org.testifyproject.testifyprojectlta;
abstract class DeltaCoder {
static final int DISTANCE_MIN = 1;
static final int DISTANCE_MAX = 256;
static final int DISTANCE_MASK = DISTANCE_MAX - 1;
final int distance;
final byte[] history = new byte[DISTANCE_MAX];
int pos = 0;
DeltaCoder(int distance) {
if (distance < DISTANCE_MIN || distance > DISTANCE_MAX)
throw new IllegalArgumentException();
this.distance = distance;
}
}