mapnik/plugins/input/shape/shape_io.hpp

/*****************************************************************************
 * 
 * This file is part of Mapnik (c++ mapping toolkit)
 *
 * Copyright (C) 2006 Artem Pavlenko
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *****************************************************************************/

#ifndef SHAPE_IO_HH
#define SHAPE_IO_HH

#include "dbffile.hpp"
#include "shapefile.hpp"
#include "shp_index.hpp"

using mapnik::geometry2d;

struct shape_io
{
      static const std::string SHP;
      static const std::string SHX;
      static const std::string DBF;
      unsigned type_;
      shape_file shp_;
      shape_file shx_;
      dbf_file   dbf_;
      
      unsigned reclength_;
      unsigned id_;
      Envelope<double> cur_extent_;

   public:
      enum shapeType
      {
         shape_null = 0,
         shape_point = 1,
         shape_polyline = 3,
         shape_polygon = 5,
         shape_multipoint = 8,
         shape_pointz = 11,
         shape_polylinez = 13,
         shape_polygonz = 15,
         shape_multipointz = 18,
         shape_pointm = 21,
         shape_polylinem = 23,
         shape_polygonm = 25,
         shape_multipointm = 28,
         shape_multipatch = 31
      };

      shape_io(const std::string& shape_name);
      ~shape_io();
      shape_file& shp();
      shape_file& shx();
      dbf_file& dbf();
      void move_to(int id);
      int type() const;
      const Envelope<double>& current_extent() const;
      geometry2d * read_polyline();
      geometry2d * read_polylinem();
      geometry2d * read_polylinez();
      geometry2d * read_polygon();
      geometry2d * read_polygonm();
      geometry2d * read_polygonz();
   private:
      //void read_record(const shape_record& record);
      // no copying
      shape_io(const shape_io&);
      shape_io& operator=(const shape_io&);
};
#endif                                            //SHAPE_IO_HH