67 lines
2.1 KiB
C++
67 lines
2.1 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) 2017 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 MAPNIK_JSON_ATTRIBUTE_VALUE_VISITOR_HPP
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#define MAPNIK_JSON_ATTRIBUTE_VALUE_VISITOR_HPP
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// mapnik
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#include <mapnik/value.hpp>
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#include <mapnik/unicode.hpp>
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#include <mapnik/json/stringifier.hpp>
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namespace mapnik { namespace json {
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struct attribute_value_visitor
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{
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public:
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attribute_value_visitor(mapnik::transcoder const& tr)
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: tr_(tr) {}
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mapnik::value operator()(std::string const& val) const
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{
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return mapnik::value(tr_.transcode(val.c_str()));
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}
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mapnik::value operator()(std::vector<mapnik::json::json_value> const& array) const
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{
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std::string str = stringifier()(array);
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return mapnik::value(tr_.transcode(str.c_str()));
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}
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mapnik::value operator()(std::vector<std::pair<std::string, mapnik::json::json_value> > const& object) const
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{
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std::string str = stringifier()(object);
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return mapnik::value(tr_.transcode(str.c_str()));
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}
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template <typename T>
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mapnik::value operator()(T const& val) const
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{
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return mapnik::value(val);
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}
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mapnik::transcoder const& tr_;
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};
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}}
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#endif //MAPNIK_JSON_ATTRIBUTE_VALUE_VISITOR_HPP
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