1 /*
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2006 Daniel Le Berre
3 *
4 * Based on the original minisat specification from:
5 *
6 * An extensible SAT solver. Niklas E?n and Niklas S?rensson. Proceedings of the
7 * Sixth International Conference on Theory and Applications of Satisfiability
8 * Testing, LNCS 2919, pp 502-518, 2003.
9 *
10 * This library is free software; you can redistribute it and/or modify it under
11 * the terms of the GNU Lesser General Public License as published by the Free
12 * Software Foundation; either version 2.1 of the License, or (at your option)
13 * any later version.
14 *
15 * This library is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this library; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26 package org.sat4j.reader;
27
28 import java.io.IOException;
29
30 import org.sat4j.specs.ContradictionException;
31 import org.sat4j.specs.ISolver;
32
33 /**
34 * Reader complying to the PB06 input format.
35 *
36 * @author leberre
37 *
38 */
39 public class OPBReader2006 extends OPBReader2005 {
40
41 /**
42 *
43 */
44 private static final long serialVersionUID = 1L;
45
46 public OPBReader2006(ISolver solver) {
47 super(solver);
48 }
49
50 /**
51 * read a term into coeff and var
52 *
53 * @param coeff
54 * the coefficient of the variable
55 * @param var
56 * the indentifier we read
57 * @throws IOException
58 * @throws ParseException
59 */
60 @Override
61 protected void readTerm(StringBuffer coeff, StringBuffer var)
62 throws IOException, ParseFormatException, ContradictionException {
63 readInteger(coeff);
64
65 skipSpaces();
66
67 if (!readIdentifier(var))
68 throw new ParseFormatException("identifier expected");
69 }
70 }