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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  }