content: /**
   * Copyright 2007 DFKI GmbH.
   * All Rights Reserved.  Use is subject to license terms.
   * <p/>
   * This file is part of MARY TTS.
   * <p/>
   * MARY TTS is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation, version 3 of the License.
   * <p/>
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Lesser General Public License for more details.
   * <p/>
   * You should have received a copy of the GNU Lesser General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package marytts.signalproc.analysis;
  
  import java.util.Arrays;
  import java.util.Locale;
  
  /**
   * A class to keep all information on a single EST format label
   *
   * @author Oytun T&uumlrk
   */
  public class Label {
      public double time; //Ending time of phonetic label
      public int status; //Status
      public String phn; //Phone
      public double ll; //log likelihood
      public String[] rest; //If the label contains more fields, get them as text
      public double[] valuesRest; //If some of the <rest> are numbers, convert them to doubles and keep
  
  
      /**
       * Simple constructor for simple cases: create a label from the given end time and phone symbol.
       *
       * @param endTime     time where the phonetic label ends, in seconds.
       * @param phoneSymbol phonetic label, such as a phone symbol
       */
      public Label(double endTime, String phoneSymbol) {
          this(endTime, 125 /* dummy value */, phoneSymbol, Double.NEGATIVE_INFINITY, null, null);
      }
  
      /**
       * Create a new Label.
       *
       * @param newTime   Ending time of phonetic label
       * @param newStatus status
       * @param newPhn    phone symbol
       * @param newll     log likelihood
       */
      public Label(double newTime, int newStatus, String newPhn, double newll) {
          this(newTime, newStatus, newPhn, newll, null, null);
      }
  
      public Label() {
          this(-1.0, 0, "", Double.NEGATIVE_INFINITY, null, null);
      }
  
      public Label(double newTime, int newStatus, String newPhn, double newll, String[] restIn) {
          this(newTime, newStatus, newPhn, newll, restIn, null);
      }
  
      public Label(double newTime, int newStatus, String newPhn, double newll, String[] restIn, double[] valuesRestIn) {
          time = newTime;
          status = newStatus;
          phn = newPhn;
          ll = newll;
  
          if (restIn != null && restIn.length > 0) {
              rest = new String[restIn.length];
              for (int i = 0; i < restIn.length; i++)
                  rest[i] = restIn[i];
          } else
              rest = null;
  
          if (valuesRestIn != null && valuesRestIn.length > 0) {
              valuesRest = new double[valuesRestIn.length];
              for (int i = 0; i < valuesRestIn.length; i++)
                  valuesRest[i] = valuesRestIn[i];
          } else
              valuesRest = null;
      }
  
      public Label(Label lab) {
          if (lab != null)
              copyFrom(lab);
      }
  
      public void copyFrom(Label lab) {
          time = lab.time;
          status = lab.status;
          phn = lab.phn;
          ll = lab.ll;
          if (lab.rest != null && lab.rest.length > 0) {
              rest = new String[lab.rest.length];
              for (int i = 0; i < lab.rest.length; i++)
                  rest[i] = lab.rest[i];
          } else
              rest = null;
  
          if (lab.valuesRest != null && lab.valuesRest.length > 0) {
              valuesRest = new double[lab.valuesRest.length];
              for (int i = 0; i < lab.valuesRest.length; i++)
                  valuesRest[i] = lab.valuesRest[i];
          } else
              valuesRest = null;
      }
  
      //Display label entries
      public void print() {
          System.out.println("Time=" + String.valueOf(time) + " s. " +
                  "Stat=" + String.valueOf(status) + " " +
                  "Phone=" + phn + " " +
                  "Log-likelihood=" + String.valueOf(ll));
      }
  
      @Override
      public String toString() {
          return String.format(Locale.US, "%f %d %s %f", time, status, phn, ll);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (!(o instanceof Label)) return false;
          Label other = (Label) o;
          return Math.abs(time - other.time) < 1.e-7
                  && status == other.status
                  && (phn == null && other.phn == null || phn != null && phn.equals(other.phn))
                  && (ll == other.ll || Double.isInfinite(ll) && Double.isInfinite(other.ll) || Double.isNaN(ll) && Double.isNaN(other.ll))
                  && Arrays.deepEquals(rest, other.rest);
      }
  
      @Override
      public int hashCode() {
          return 0;
      }
  }
  
  