57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2011 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>
|
|
// stl
|
|
#include <string>
|
|
#include <vector>
|
|
#include <fstream>
|
|
|
|
#include "geojson_featureset.hpp"
|
|
|
|
geojson_featureset::geojson_featureset(std::vector<mapnik::feature_ptr> const& features,
|
|
array_type::const_iterator index_itr,
|
|
array_type::const_iterator index_end)
|
|
: features_(features),
|
|
index_itr_(index_itr),
|
|
index_end_(index_end) {}
|
|
|
|
geojson_featureset::~geojson_featureset() {}
|
|
|
|
mapnik::feature_ptr geojson_featureset::next()
|
|
{
|
|
if (index_itr_ != index_end_)
|
|
{
|
|
#if BOOST_VERSION >= 105600
|
|
geojson_datasource::item_type const& item = *index_itr_++;
|
|
std::size_t index = item.second;
|
|
#else
|
|
std::size_t index = *index_itr_++;
|
|
#endif
|
|
if ( index < features_.size())
|
|
{
|
|
return features_.at(index);
|
|
}
|
|
}
|
|
return mapnik::feature_ptr();
|
|
}
|