Exemple #1
0
 private static short[] load(String name, Reader input, Model.Translator translator)
     throws java.io.IOException {
   short[] sequence = null;
   char[] buffer = new char[10240];
   int len;
   while ((len = input.read(buffer)) > 0) {
     for (int i = len - 1; i >= 0; i--) {
       if (Character.isWhitespace(buffer[i])) {
         if (i == (len - 1)) {
           len--;
         } else {
           System.arraycopy(buffer, i + 1, buffer, i, len - i - 1);
         }
       }
     }
     int start;
     if (sequence == null) {
       sequence = new short[len];
       start = 0;
     } else {
       start = sequence.length;
       short[] newseq = new short[sequence.length + len];
       System.arraycopy(sequence, 0, newseq, 0, sequence.length);
       sequence = newseq;
     }
     for (int i = 0; i < len; i++) {
       sequence[start + i] = translator.translate(buffer[i]);
       if (sequence[start + i] < 0) {
         throw new IOException(
             "Sequence character '"
                 + buffer[i]
                 + "' ("
                 + ((int) buffer[i])
                 + ") at offset "
                 + (start + i)
                 + " is not in the model's lexicon.");
       }
     }
   }
   return sequence;
 }
Exemple #2
0
  public static void main(String args[]) {

    if (args.length < 3) {
      System.err.println("Usage: Generate model-file ( -s length | -c count length )");
      System.exit(1);
    }

    try {
      SAXParserFactory saxFactory = SAXParserFactory.newInstance();
      saxFactory.setNamespaceAware(true);
      SAXParser saxParser = saxFactory.newSAXParser();
      XMLReader xmlReader = saxParser.getXMLReader();

      XMLModelReader modelReader = new XMLModelReader(xmlReader);
      FileReader modelInput = new FileReader(args[0]);
      InputSource source = new InputSource(modelInput);

      Model model = modelReader.load(source);

      modelInput.close();

      model.check();

      if (args[1].equals("-s")) {
        int[][] result = model.generateSequence(Integer.parseInt(args[2]));

        List lexicon = model.getLexicon();
        for (int i = 0; i < result[0].length; i++) {
          System.out.print((Character) lexicon.get(result[0][i]));
        }
        System.out.println();
        int numberOfStates = model.getNumberOfStates();
        if (numberOfStates > 9) {
          for (int i = 0; i < result[1].length; i++) {
            System.out.print(result[1][i]);
            System.out.print(',');
          }
        } else {
          for (int i = 0; i < result[1].length; i++) {
            System.out.print(result[1][i]);
          }
        }
        System.out.println();
        for (int i = 1; i < numberOfStates; i++) {
          System.out.println(i + " = " + model.getStateName(i));
        }
      } else if (args[1].equals("-c")) {
        List lexicon = model.getLexicon();
        int count = Integer.parseInt(args[2]);
        int length = Integer.parseInt(args[3]);
        ListOfSequences uniqueSeqs = new ListOfSequences();
        for (int i = 0; i < count; i++) {
          int[][] result = model.generateSequence(length);
          uniqueSeqs.addSequence(result[0]);
        }
        Iterator seqs = uniqueSeqs.iterator();
        while (seqs.hasNext()) {
          SequenceCount seq = (SequenceCount) seqs.next();
          int[] key = seq.getSequence();
          for (int i = 0; i < key.length; i++) {
            System.out.print((Character) lexicon.get(key[i]));
          }
          System.out.print(',');
          System.out.println(seq.getCount());
        }
      }

    } catch (java.io.IOException ex) {
      ex.printStackTrace();
    } catch (org.xml.sax.SAXException ex) {
      System.err.println(ex.getMessage());
    } catch (javax.xml.parsers.ParserConfigurationException ex) {
      ex.printStackTrace();
    }
  }