tikhomirov@674: /*
tikhomirov@674:  * Copyright (c) 2013 TMate Software Ltd
tikhomirov@674:  *  
tikhomirov@674:  * This program is free software; you can redistribute it and/or modify
tikhomirov@674:  * it under the terms of the GNU General Public License as published by
tikhomirov@674:  * the Free Software Foundation; version 2 of the License.
tikhomirov@674:  *
tikhomirov@674:  * This program is distributed in the hope that it will be useful,
tikhomirov@674:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@674:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@674:  * GNU General Public License for more details.
tikhomirov@674:  *
tikhomirov@674:  * For information on how to redistribute this software under
tikhomirov@674:  * the terms of a license other than GNU General Public License
tikhomirov@674:  * contact TMate Software at support@hg4j.com
tikhomirov@674:  */
tikhomirov@674: package org.tmatesoft.hg.internal;
tikhomirov@674: 
tikhomirov@674: /**
tikhomirov@674:  * Tuple of integers
tikhomirov@674:  * @author Artem Tikhomirov
tikhomirov@674:  * @author TMate Software Ltd.
tikhomirov@674:  */
tikhomirov@674: public final class IntTuple implements Cloneable {
tikhomirov@674: 	private final int size;
tikhomirov@674: 	private IntVector v;
tikhomirov@674: 	private int start;
tikhomirov@674: 
tikhomirov@674: 	IntTuple(int length) {
tikhomirov@674: 		size = length;
tikhomirov@674: 	}
tikhomirov@674: 	/*package*/IntTuple set(IntVector vect, int index) {
tikhomirov@674: 		v = vect;
tikhomirov@674: 		start = index;
tikhomirov@674: 		return this;
tikhomirov@674: 	}
tikhomirov@674: 	
tikhomirov@674: 	public int size() {
tikhomirov@674: 		return size;
tikhomirov@674: 	}
tikhomirov@674: 
tikhomirov@674: 	public int at(int index) {
tikhomirov@674: 		if (index < size) {
tikhomirov@674: 			return v.get(start + index);
tikhomirov@674: 		}
tikhomirov@674: 		throw new IllegalArgumentException(String.valueOf(index));
tikhomirov@674: 	}
tikhomirov@674: 	
tikhomirov@674: 	public IntTuple clone() {
tikhomirov@674: 		try {
tikhomirov@674: 			return (IntTuple) super.clone();
tikhomirov@674: 		} catch (CloneNotSupportedException ex) {
tikhomirov@674: 			throw new Error(ex);
tikhomirov@674: 		}
tikhomirov@674: 	}
tikhomirov@677: 	
tikhomirov@677: 	@Override
tikhomirov@677: 	public String toString() {
tikhomirov@677: 		StringBuilder sb = new StringBuilder();
tikhomirov@677: 		sb.append('(');
tikhomirov@677: 		for (int i = 0; i < size; i++) {
tikhomirov@677: 			sb.append(at(i));
tikhomirov@677: 			sb.append(", ");
tikhomirov@677: 		}
tikhomirov@677: 		sb.setLength(sb.length() - 2);
tikhomirov@677: 		sb.append(')');
tikhomirov@677: 		return sb.toString();
tikhomirov@677: 	}
tikhomirov@674: }