package org.opentrafficsim.road.network.factory.opendrive;
   
   import java.io.Serializable;
   import java.util.ArrayList;
   import java.util.List;
   
   import org.opentrafficsim.core.network.NetworkException;
   import org.w3c.dom.Node;
   import org.w3c.dom.NodeList;
  import org.xml.sax.SAXException;
  
  /**
   * <p>
   * Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * <p>
   * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
   * initial version Jul 23, 2015 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  class SignalsTag implements Serializable
  {
  
      /** */
      private static final long serialVersionUID = 20150723L;
  
      /** Signal tags */
      @SuppressWarnings("checkstyle:visibilitymodifier")
      List<SignalTag> signalTags = new ArrayList<SignalTag>();
  
      /** Signal reference tag */
      @SuppressWarnings("checkstyle:visibilitymodifier")
      List<SignalReferenceTag> signalReferenceTag = new ArrayList<SignalReferenceTag>();
  
      /**
       * Parse the attributes of the road tag. The sub-elements are parsed in separate classes.
       * @param nodeList NodeList; the list of subnodes of the road node
       * @param parser OpenDriveNetworkLaneParser; the parser with the lists of information
       * @param roadTag RoadTag; the RoadTag to which this element belongs
       * @throws SAXException when parsing of the tag fails
       * @throws NetworkException when parsing of the tag fails
       */
      @SuppressWarnings("checkstyle:needbraces")
      static void parseSignals(final NodeList nodeList, final OpenDriveNetworkLaneParser parser, final RoadTag roadTag)
              throws SAXException, NetworkException
      {
          SignalsTag signalsTag = new SignalsTag();
          for (Node node0 : XMLParser.getNodes(nodeList, "signals"))
          {
              for (Node node : XMLParser.getNodes(node0.getChildNodes(), "signal"))
              {
                  SignalTag signalTag = SignalTag.parseSignal(node, parser);
                  signalsTag.signalTags.add(signalTag);
                  parser.signalTags.put(signalTag.id, signalTag);
              }
              for (Node node : XMLParser.getNodes(node0.getChildNodes(), "signalReference"))
              {
                  SignalReferenceTag signalReferenceTag = SignalReferenceTag.parseSignalReference(node, parser);
                  signalsTag.signalReferenceTag.add(signalReferenceTag);
              }
          }
          roadTag.signalsTag = signalsTag;
      }
  
      /** {@inheritDoc} */
      @Override
      public String toString()
      {
          return "SignalsTag [signalTags=" + this.signalTags + ", signalReferenceTag=" + this.signalReferenceTag + "]";
      }
  }