1 /*******************************************************************************
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004, 2012 Artois University and CNRS
3 *
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Alternatively, the contents of this file may be used under the terms of
10 * either the GNU Lesser General Public License Version 2.1 or later (the
11 * "LGPL"), in which case the provisions of the LGPL are applicable instead
12 * of those above. If you wish to allow use of your version of this file only
13 * under the terms of the LGPL, and not to allow others to use your version of
14 * this file under the terms of the EPL, indicate your decision by deleting
15 * the provisions above and replace them with the notice and other provisions
16 * required by the LGPL. If you do not delete the provisions above, a recipient
17 * may use your version of this file under the terms of the EPL or the LGPL.
18 *
19 * Based on the original MiniSat specification from:
20 *
21 * An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the
22 * Sixth International Conference on Theory and Applications of Satisfiability
23 * Testing, LNCS 2919, pp 502-518, 2003.
24 *
25 * See www.minisat.se for the original solver in C++.
26 *
27 * Contributors:
28 * CRIL - initial API and implementation
29 *******************************************************************************/
30 package org.sat4j.pb.reader;
31
32 import java.io.IOException;
33
34 import org.sat4j.pb.IPBSolver;
35 import org.sat4j.reader.ParseFormatException;
36
37 /**
38 * Reader complying to the PB06 input format.
39 *
40 * @author leberre
41 *
42 */
43 public class OPBReader2006 extends OPBReader2005 {
44
45 /**
46 *
47 */
48 private static final long serialVersionUID = 1L;
49
50 public OPBReader2006(IPBSolver solver) {
51 super(solver);
52 }
53
54 /**
55 * read a term into coeff and var
56 *
57 * @param coeff
58 * the coefficient of the variable
59 * @param var
60 * the indentifier we read
61 * @throws IOException
62 * @throws ParseException
63 */
64 @Override
65 protected void readTerm(StringBuffer coeff, StringBuffer var)
66 throws IOException, ParseFormatException {
67 readInteger(coeff);
68
69 skipSpaces();
70
71 if (!readIdentifier(var)) {
72 throw new ParseFormatException("identifier expected");
73 }
74 }
75 }