Added module_access diagram filter (#101)

src/config/yaml_decoders.cc

@@ -29,6 +29,7 @@ namespace YAML {
 using clanguml::common::namespace_or_regex;
 using clanguml::common::string_or_regex;
 using clanguml::common::model::access_t;
+using clanguml::common::model::module_access_t;
 using clanguml::common::model::relationship_t;
 using clanguml::config::callee_type;
 using clanguml::config::class_diagram;
@@ -241,6 +242,23 @@ template <> struct convert<access_t> {
     }
 };
 
+//
+// config module_access_t decoder
+//
+template <> struct convert<module_access_t> {
+    static bool decode(const Node &node, module_access_t &rhs)
+    {
+        if (node.as<std::string>() == "public")
+            rhs = module_access_t::kPublic;
+        else if (node.as<std::string>() == "private")
+            rhs = module_access_t::kPrivate;
+        else
+            return false;
+
+        return true;
+    }
+};
+
 //
 // config method_type decoder
 //
@@ -483,6 +501,10 @@ template <> struct convert<filter> {
                 rhs.modules.push_back({ns});
         }
 
+        if (node["module_access"])
+            rhs.module_access =
+                node["module_access"].as<decltype(rhs.module_access)>();
+
         if (node["relationships"])
             rhs.relationships =
                 node["relationships"].as<decltype(rhs.relationships)>();