mapnik/plugins/input/shape/shp_index.hpp
2006-03-31 10:32:02 +00:00

48 lines
1.6 KiB
C++

/*****************************************************************************
*
* 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 SHP_INDEX_HH
#define SHP_INDEX_HH
#include "envelope.hpp"
#include "query.hpp"
#include <fstream>
#include <set>
using namespace mapnik;
template <typename filterT>
class shp_index
{
public:
static void query(const filterT& filter,std::ifstream& file,std::set<int>& pos);
private:
shp_index();
~shp_index();
shp_index(const shp_index&);
shp_index& operator=(const shp_index&);
static int read_ndr_integer(std::ifstream& in);
static void read_envelope(std::ifstream& in,Envelope<double> &envelope);
static void query_node(const filterT& filter,std::ifstream& file,std::set<int>& pos);
};
#endif //SHP_INDEX_HH