Open-Harbor/osrm-backend
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Experiments with Node bindings optimisation

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This commit is contained in:
Siarhei Fedartsou 2024-07-26 21:54:07 +02:00
parent e5e25a1aca
commit df62a871f6
1 changed files with 32 additions and 2 deletions
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34
include/nodejs/json_v8_renderer.hpp
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@ -29,7 +29,8 @@ struct V8Renderer
for (const auto &keyValue : object.values) for (const auto &keyValue : object.values)
{ {
Napi::Value child; Napi::Value child;
std::visit(V8Renderer(env, child), keyValue.second);
visit(V8Renderer(env, child), keyValue.second);
obj.Set(keyValue.first, child); obj.Set(keyValue.first, child);
} }
out = obj; out = obj;
@ -41,7 +42,7 @@ struct V8Renderer
for (auto i = 0u; i < array.values.size(); ++i) for (auto i = 0u; i < array.values.size(); ++i)
{ {
Napi::Value child; Napi::Value child;
std::visit(V8Renderer(env, child), array.values[i]); visit(V8Renderer(env, child), array.values[i]);
a.Set(i, child); a.Set(i, child);
} }
out = a; out = a;
@ -53,6 +54,35 @@ struct V8Renderer
void operator()(const osrm::json::Null &) const { out = env.Null(); } void operator()(const osrm::json::Null &) const { out = env.Null(); }
private:
void visit(const V8Renderer &renderer, const osrm::json::Value &value) const
{
switch (value.index())
{
case 0:
renderer(std::get<osrm::json::String>(value));
break;
case 1:
renderer(std::get<osrm::json::Number>(value));
break;
case 2:
renderer(std::get<osrm::json::Object>(value));
break;
case 3:
renderer(std::get<osrm::json::Array>(value));
break;
case 4:
renderer(std::get<osrm::json::True>(value));
break;
case 5:
renderer(std::get<osrm::json::False>(value));
break;
case 6:
renderer(std::get<osrm::json::Null>(value));
break;
}
}
private: private:
const Napi::Env &env; const Napi::Env &env;
Napi::Value &out; Napi::Value &out;