mapnik/plugins/input/geojson/geojson_index_featureset.cpp

52 lines
1.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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
*
*****************************************************************************/
// mapnik
#include <mapnik/feature.hpp>
#include <mapnik/feature_factory.hpp>
#include <mapnik/json/geometry_grammar.hpp>
#include <mapnik/json/feature_grammar.hpp>
#include <mapnik/util/utf_conv_win.hpp>
// stl
#include <string>
#include <vector>
#include "geojson_index_featureset.hpp"
geojson_index_featureset::geojson_index_featureset(std::string const& filename)
:
#ifdef _WINDOWS
file_(_wfopen(mapnik::utf8_to_utf16(filename).c_str(), L"rb"), std::fclose),
#else
file_(std::fopen(filename.c_str(),"rb"), std::fclose),
#endif
ctx_(std::make_shared<mapnik::context_type>())
{
if (!file_) throw std::runtime_error("Can't open " + filename);
}
geojson_index_featureset::~geojson_index_featureset() {}
mapnik::feature_ptr geojson_index_featureset::next()
{
return mapnik::feature_ptr();
}