PreprocessPoly.h

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#ifndef OSMSCOUT_IMPORT_PREPROCESS_POLY_H
#define OSMSCOUT_IMPORT_PREPROCESS_POLY_H
 
/*
  This source is part of the libosmscout library
  Copyright (C) 2016 Lukas Karas
 
  This library 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; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/
 
#include <osmscout/OSMScoutTypes.h>
 
#include <osmscoutimport/RawRelation.h>
 
#include <osmscoutimport/Preprocessor.h>
 
namespace osmscout {

  class PreprocessPoly CLASS_FINAL : public Preprocessor
  {
  private:
    PreprocessorCallback& callback;
 
    enum Context
    {
     Root,
     Section,
     IncludedPolygon,
     ExcludedPolygon
    };
 
    struct Node
    {
      double x;
      double y;
    };
 
    bool ClosePolygon(Progress& progress,
                      Context context,
                      std::list<GeoCoord> &polygonNodes,
                      OSMId &availableId,
                      TagId polygonTagId);
 
  public:
    explicit PreprocessPoly(PreprocessorCallback& callback);
 
    bool Import(const TypeConfigRef& typeConfig,
                const ImportParameter& parameter,
                Progress& progress,
                const std::string& filename) override;
  };
}
 
#endif /* OSMSCOUT_IMPORT_PREPROCESS_POLY_H */