add new name function and remove manual namespacing

Author: nathanhhughes

config_utilities/include/config_utilities/config.h

@@ -53,6 +53,17 @@ namespace config {
  */
 inline void name(const std::string& name) { internal::Visitor::visitName(name); }
 
+/**
+ * @brief Set the name of a config from the template parameter type.
+ * @tparam T type to get the name from
+ *
+ * This is for cases where you may not have a static config struct name (i.e., with a templated config struct)
+ */
+template <typename T>
+void name() {
+  internal::Visitor::visitName(internal::typeName<T>());
+}
+
 /**
  * @brief Declare string-named fields of the config. This string will be used to get the configs field values during
  * creation, and for checking of validity.

config_utilities/include/config_utilities/internal/visitor_impl.hpp

@@ -252,7 +252,7 @@ void Visitor::visitField(std::vector<ConfigT>& config, const std::string& field_
   }
 
   if (visitor.mode == Visitor::Mode::kSet) {
-    const auto array_ns = visitor.name_space.empty() ? field_name : visitor.name_space + "/" + field_name;
+    const auto array_ns = joinNamespace(visitor.name_space, field_name);
     const auto subnode = lookupNamespace(visitor.data.data, array_ns);
     if (!subnode) {
       return;  // don't override the field if not present
@@ -330,7 +330,7 @@ void Visitor::visitField(OrderedMap<K, ConfigT>& config, const std::string& fiel
   }
 
   if (visitor.mode == Visitor::Mode::kSet) {
-    const auto map_ns = visitor.name_space.empty() ? field_name : visitor.name_space + "/" + field_name;
+    const auto map_ns = joinNamespace(visitor.name_space, field_name);
     const auto subnode = lookupNamespace(visitor.data.data, map_ns);
     if (!subnode) {
       return;  // don't override the field if not present