mapnik/datasources/shape/shape_index_featureset.hpp

49 lines
1.6 KiB
C++

/* This file is part of Mapnik (c++ mapping toolkit)
* Copyright (C) 2005 Artem Pavlenko
*
* Mapnik is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef SHAPE_SQT_FS_HH
#define SHAPE_SQT_FS_HH
#include "shape_featureset.hpp"
#include <set>
#include <vector>
template <typename filterT>
class shape_index_featureset : public Featureset
{
filterT filter_;
int shape_type_;
shape_io shape_;
std::set<int> ids_;
std::set<int>::iterator itr_;
std::vector<int> attr_ids_;
mutable Envelope<double> feature_ext_;
mutable int total_geom_size;
mutable int count_;
public:
shape_index_featureset(const filterT& filter,const std::string& shape_file,
const std::set<std::string>& attribute_names);
virtual ~shape_index_featureset();
Feature* next();
private:
//no copying
shape_index_featureset(const shape_index_featureset&);
shape_index_featureset& operator=(const shape_index_featureset&);
};
#endif //SHAPE_SQT_FS_HH