package org.opentrafficsim.road.network.factory.opendrive;
   
   import java.io.Serializable;
   import java.util.ArrayList;
   import java.util.List;
   
   import org.djunits.value.vdouble.scalar.Length;
   import org.opentrafficsim.core.network.NetworkException;
   import org.w3c.dom.Node;
  import org.w3c.dom.NodeList;
  import org.xml.sax.SAXException;
  
  /**
   * Parser for lanes.
   * <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 LanesTag implements Serializable
  {
  
      /** */
      private static final long serialVersionUID = 20150723L;
  
      /** GeometryTags */
      @SuppressWarnings("checkstyle:visibilitymodifier")
      List<LaneSectionTag> laneSectionTags = new ArrayList<LaneSectionTag>();
  
      /**
       * 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 parseLanes(final NodeList nodeList, final OpenDriveNetworkLaneParser parser, final RoadTag roadTag)
              throws SAXException, NetworkException
      {
          int laneSectionCount = 0;
          LanesTag lanesTag = new LanesTag();
  
          for (Node node0 : XMLParser.getNodes(nodeList, "lanes"))
              for (Node node : XMLParser.getNodes(node0.getChildNodes(), "laneSection"))
              {
                  LaneSectionTag laneSectionTag = LaneSectionTag.parseLaneSection(node, parser);
                  laneSectionTag.id = laneSectionCount;
                  laneSectionCount++;
  
                  lanesTag.laneSectionTags.add(laneSectionTag);
              }
          roadTag.lanesTag = lanesTag;
  
      }
  
      /**
       * @param s Length; progression on the lane in the design direction
       * @return laneSection the section belonging to 's' progression
       */
      public LaneSectionTag findDrivingLaneSec(Length s)
      {
          for (int i = 0; i < this.laneSectionTags.size(); i++)
          {
              if (i < this.laneSectionTags.size() - 1)
              {
                  LaneSectionTag currentSec = this.laneSectionTags.get(i);
                  LaneSectionTag nextSec = this.laneSectionTags.get(i + 1);
  
                  if (s.si <= nextSec.s.si && s.si >= currentSec.s.si)
                  {
                      return currentSec;
                  }
              }
              else
              {
                  LaneSectionTag currentSec = this.laneSectionTags.get(i);
                  if (s.si >= currentSec.s.si)
                  {
                      return currentSec;
                  }
              }
          }
          return null;
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "LanesTag [laneSectionTags=" + this.laneSectionTags + "]";
      }
  }