116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
#ifndef XML_RENDERER_HPP
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#define XML_RENDERER_HPP
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#include "util/cast.hpp"
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#include "osrm/json_container.hpp"
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namespace osrm
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{
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namespace util
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{
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namespace json
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{
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struct XMLToArrayRenderer : mapbox::util::static_visitor<>
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{
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explicit XMLToArrayRenderer(std::vector<char> &_out) : out(_out) {}
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void operator()(const String &string) const
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{
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out.push_back('\"');
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out.insert(out.end(), string.value.begin(), string.value.end());
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out.push_back('\"');
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}
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void operator()(const Number &number) const
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{
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const std::string number_string = cast::to_string_with_precision(number.value);
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out.insert(out.end(), number_string.begin(), number_string.end());
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}
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void operator()(const Object &object) const
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{
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for (auto &&each : object.values)
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{
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if (each.first.at(0) != '_')
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{
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out.push_back('<');
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out.insert(out.end(), each.first.begin(), each.first.end());
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}
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else
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{
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out.push_back(' ');
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out.insert(out.end(), ++(each).first.begin(), each.first.end());
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out.push_back('=');
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}
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mapbox::util::apply_visitor(XMLToArrayRenderer(out), each.second);
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if (each.first.at(0) != '_')
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{
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out.push_back('/');
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out.push_back('>');
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}
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}
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}
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void operator()(const Array &array) const
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{
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for (auto &&each : array.values)
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{
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mapbox::util::apply_visitor(XMLToArrayRenderer(out), each);
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}
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}
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void operator()(const True &) const
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{
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const std::string temp("true");
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out.insert(out.end(), temp.begin(), temp.end());
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}
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void operator()(const False &) const
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{
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const std::string temp("false");
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out.insert(out.end(), temp.begin(), temp.end());
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}
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void operator()(const Null &) const
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{
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const std::string temp("null");
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out.insert(out.end(), temp.begin(), temp.end());
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}
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private:
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std::vector<char> &out;
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};
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template <class JSONObject> inline void xml_render(std::vector<char> &out, const JSONObject &object)
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{
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Value value = object;
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mapbox::util::apply_visitor(XMLToArrayRenderer(out), value);
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}
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template <class JSONObject> inline void gpx_render(std::vector<char> &out, const JSONObject &object)
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{
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// add header
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const std::string header{
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?><gpx creator=\"OSRM Routing Engine\""
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" version=\"1.1\" xmlns=\"http://www.topografix.com/GPX/1/1\" xmlns:xsi=\"http:"
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"//www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.topogr"
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"afix.com/GPX/1/1 gpx.xsd\"><metadata><copyright author=\"Project OSRM\"><lice"
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"nse>Data (c) OpenStreetMap contributors (ODbL)</license></copyright></metadat"
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"a><rte>"};
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out.insert(out.end(), header.begin(), header.end());
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xml_render(out, object);
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const std::string footer{"</rte></gpx>"};
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out.insert(out.end(), footer.begin(), footer.end());
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}
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} // namespace json
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} // namespace util
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} // namespace osrm
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#endif // XML_RENDERER_HPP
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