mapnik/plugins/input/sqlite/sqlite_featureset.hpp
2021-01-05 14:39:07 +00:00

65 lines
2 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2021 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 MAPNIK_SQLITE_FEATURESET_HPP
#define MAPNIK_SQLITE_FEATURESET_HPP
// mapnik
#include <mapnik/feature.hpp>
#include <mapnik/unicode.hpp>
#include <mapnik/wkb.hpp>
// boost
#include <memory>
// sqlite
#include "sqlite_resultset.hpp"
class sqlite_featureset : public mapnik::Featureset
{
public:
sqlite_featureset(std::shared_ptr<sqlite_resultset> rs,
mapnik::context_ptr const& ctx,
std::string const& encoding,
mapnik::box2d<double> const& bbox,
mapnik::wkbFormat format,
bool twkb_encoding,
bool spatial_index,
bool using_subquery);
virtual ~sqlite_featureset();
mapnik::feature_ptr next();
private:
std::shared_ptr<sqlite_resultset> rs_;
mapnik::context_ptr ctx_;
const std::unique_ptr<mapnik::transcoder> tr_;
mapnik::box2d<double> bbox_;
mapnik::wkbFormat format_;
bool twkb_encoding_;
bool spatial_index_;
bool using_subquery_;
};
#endif // MAPNIK_SQLITE_FEATURESET_HPP