text: // Copyright 2008, Google Inc. All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without 
  // modification, are permitted provided that the following conditions are met:
  //
  //  1. Redistributions of source code must retain the above copyright notice, 
  //     this list of conditions and the following disclaimer.
  //  2. Redistributions in binary form must reproduce the above copyright notice,
  //     this list of conditions and the following disclaimer in the documentation
  //     and/or other materials provided with the distribution.
  //  3. Neither the name of Google Inc. nor the names of its contributors may be
  //     used to endorse or promote products derived from this software without
  //     specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
  // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
  // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #include "kml/dom/linestyle.h"
  #include "kml/base/attributes.h"
  #include "kml/dom/element.h"
  #include "kml/dom/serializer.h"
  
  using kmlbase::Attributes;
  
  namespace kmldom {
  
  LineStyle::LineStyle()
    : width_(1.0), has_width_(false) {
  }
  
  LineStyle::~LineStyle() {
  }
  
  void LineStyle::AddElement(const ElementPtr& element) {
    if (!element) {
      return;
    }
    switch (element->Type()) {
      case Type_width:
        has_width_ = element->SetDouble(&width_);
        break;
      default:
        ColorStyle::AddElement(element);
        break;
    }
  }
  
  void LineStyle::Serialize(Serializer& serializer) const {
    ElementSerializer element_serializer(*this, serializer);
    ColorStyle::Serialize(serializer);
    if (has_width()) {
      serializer.SaveFieldById(Type_width, get_width());
    }
  }
  
  void LineStyle::Accept(Visitor* visitor) {
    visitor->VisitLineStyle(LineStylePtr(this));
  }
  
  }  // end namespace kmldom
  