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| package org.sat4j.reader; |
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| import java.io.FileNotFoundException; |
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| import java.io.IOException; |
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| import org.sat4j.specs.ContradictionException; |
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| import org.sat4j.specs.IProblem; |
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| import org.sat4j.specs.ISolver; |
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| public class InstanceReader implements Reader { |
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| private final LecteurDimacs dimacs; |
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| private final GoodOPBReader opb; |
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| private final ExtendedDimacsReader edimacs; |
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| private final CSPReader csp; |
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| private final CSPReader csp2; |
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| private Reader reader = null; |
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2026
| public InstanceReader(ISolver solver) {
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2026
| dimacs = new LecteurDimacs(solver);
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2026
| opb = new GoodOPBReader(solver);
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2026
| edimacs = new ExtendedDimacsReader(solver);
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2026
| csp = new CSPReader(solver);
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2026
| csp2 = new CSPSupportReader(solver);
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| } |
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2018
| public IProblem parseInstance(String filename)
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| throws FileNotFoundException, ParseFormatException, IOException, |
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| ContradictionException { |
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2018
| String fname;
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2018
| String prefix = "";
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2018
| if (filename.indexOf(':') != -1) {
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| String[] parts = filename.split(":");
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| filename = parts[1];
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| prefix = parts[0].toUpperCase();
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| } |
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2018
| if (filename.endsWith(".gz")) {
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| fname = filename.substring(0, filename.lastIndexOf('.'));
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| } else { |
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2018
| fname = filename;
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| } |
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2018
| if (prefix.equals("CSP")) {
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| reader = csp;
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2018
| } else if (fname.endsWith(".txt") || prefix.equals("CSP2")) {
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| reader = csp2;
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2018
| } else if (fname.endsWith(".opb") || prefix.equals("PB")) {
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| reader = opb;
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1646
| } else if (fname.endsWith(".edimacs") || fname.endsWith(".ncnf")
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| || prefix.equals("EDIMACS")) { |
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| reader = edimacs;
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| } else { |
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1646
| reader = dimacs;
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| } |
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2018
| return reader.parseInstance(filename);
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| } |
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| public String decode(int[] model) {
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| return reader.decode(model);
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| } |
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| } |