71 lines
2.5 KiB
C++
71 lines
2.5 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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#include "process_csv_file.hpp"
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#include "../../plugins/input/csv/csv_getline.hpp"
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#include "../../plugins/input/csv/csv_utils.hpp"
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#include <mapnik/datasource.hpp>
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#include <mapnik/geometry/envelope.hpp>
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#include <mapnik/util/utf_conv_win.hpp>
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#if defined(MAPNIK_MEMORY_MAPPED_FILE)
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#include <boost/algorithm/string.hpp>
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#endif
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#include <mapnik/util/mapped_memory_file.hpp>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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namespace mapnik {
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namespace detail {
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template<typename T>
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std::pair<bool, typename T::value_type::first_type>
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process_csv_file(T& boxes, std::string const& filename, std::string const& manual_headers, char separator, char quote)
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{
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using box_type = typename T::value_type::first_type;
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csv_utils::csv_file_parser p;
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p.manual_headers_ = manual_headers;
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p.separator_ = separator;
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p.quote_ = quote;
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util::mapped_memory_file csv_file{filename};
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try
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{
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p.parse_csv_and_boxes(csv_file.file(), boxes);
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return std::make_pair(true, box_type(p.extent_));
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}
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catch (std::exception const& ex)
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{
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std::clog << ex.what() << std::endl;
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return std::make_pair(false, box_type(p.extent_));
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}
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}
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using box_type = mapnik::box2d<float>;
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using item_type = std::pair<box_type, std::pair<std::uint64_t, std::uint64_t>>;
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using boxes_type = std::vector<item_type>;
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template std::pair<bool, box_type> process_csv_file(boxes_type&, std::string const&, std::string const&, char, char);
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} // namespace detail
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} // namespace mapnik
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