- try
- {
- layer_map stl{};
- auto m = j["mappings"];
-
- std::transform(std::cbegin(m), std::cend(m),
- std::inserter(stl.mapping, stl.mapping.end()),
- [](nlohmann::json const &j) {
- return std::pair<int, struct layer>(
- j.value("layer_id", -1), layer(j));
- });
-
- // TODO: add sanity checks here?
- // * check for double IDs
- // * check for double names/roles
-
- stl.layers.reserve(m.size());
- std::transform(std::cbegin(stl.mapping), std::cend(stl.mapping),
- std::back_inserter(stl.layers),
- [&stl](std::pair<int, struct layer> const &k) {
- stl.roles.emplace_back(
- std::make_pair(k.second.role, k.second.layer_id));
- return unsigned(k.second.layer_id);
- });
-
- std::sort(stl.layers.begin(), stl.layers.end());
-
- for (auto i : stl.mapping)
- {
- if (i.second.name.empty())
- {
- return Err<struct layer_map>("Found mapping w/o name");
- }
- if (i.second.layer_id == -1)
- {
- return Err<struct layer_map>("Found invalid/unset IDs in mapping");
- }
- }
+ auto result = std::find(this->render_order.begin(), this->render_order.end(), layer);
+ if(result == this->render_order.end())
+ this->render_order.push_back(layer);
+}