e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef CSV_INDEX_FEATURESET_HPP
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#define CSV_INDEX_FEATURESET_HPP
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#include <mapnik/feature.hpp>
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#include <mapnik/unicode.hpp>
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#include <mapnik/geom_util.hpp>
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#include <mapnik/util/spatial_index.hpp>
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#include "csv_utils.hpp"
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#include "csv_datasource.hpp"
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#if defined(MAPNIK_MEMORY_MAPPED_FILE)
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#include <mapnik/warning.hpp>
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MAPNIK_DISABLE_WARNING_PUSH
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#include <mapnik/warning_ignore.hpp>
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#include <boost/interprocess/mapped_region.hpp>
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#include <boost/interprocess/streams/bufferstream.hpp>
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MAPNIK_DISABLE_WARNING_POP
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#include <mapnik/mapped_memory_cache.hpp>
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#endif
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class csv_index_featureset : public mapnik::Featureset
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{
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using value_type = mapnik::util::index_record;
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using locator_type = csv_utils::geometry_column_locator;
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public:
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csv_index_featureset(std::string const& filename,
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mapnik::bounding_box_filter<float> const& filter,
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locator_type const& locator,
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char separator,
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char quote,
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std::vector<std::string> const& headers,
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mapnik::context_ptr const& ctx);
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~csv_index_featureset();
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mapnik::feature_ptr next();
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private:
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mapnik::feature_ptr parse_feature(char const* beg, char const* end);
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char separator_;
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char quote_;
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std::vector<std::string> headers_;
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mapnik::context_ptr ctx_;
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mapnik::value_integer feature_id_ = 0;
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locator_type const& locator_;
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mapnik::transcoder tr_;
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#if defined(MAPNIK_MEMORY_MAPPED_FILE)
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using file_source_type = boost::interprocess::ibufferstream;
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mapnik::mapped_region_ptr mapped_region_;
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#else
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using file_ptr = std::unique_ptr<std::FILE, int (*)(std::FILE*)>;
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file_ptr file_;
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#endif
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std::vector<value_type> positions_;
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std::vector<value_type>::iterator itr_;
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};
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#endif // CSV_INDEX_FEATURESET_HPP
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