add optional namespace filter

Pilz.Plugins.Advanced/PluginFeatureController.cs

@@ -62,7 +62,7 @@ public class PluginFeatureController
     /// Registers all features found in the currently executing Assembly via <see cref="IPluginFeatureProvider"/>, <see cref="IPluginFeatureProvider{T}"/> and <see cref="IPluginFeaturesProvider"/>.
     /// <para><b>Note:</b><br/>Explicit implementations of <see cref="IPluginFeatureProvider{T}.Instance"/> can not be detected. For this case just implement <see cref="IPluginFeatureProvider.Instance"/> instead.</para>
     /// </summary>
-    public void RegisterAllOwn()
+    public void RegisterAllOwn(string? @namespace = null)
     {
         RegisterAll(Assembly.GetCallingAssembly());
     }
@@ -71,8 +71,9 @@ public class PluginFeatureController
     /// Registers all features found in the given <see cref="Assembly[]"/> via <see cref="IPluginFeatureProvider"/>, <see cref="IPluginFeatureProvider{T}"/> and <see cref="IPluginFeaturesProvider"/>.
     /// <para><b>Note:</b><br/>Explicit implementations of <see cref="IPluginFeatureProvider{T}.Instance"/> can not be detected. For this case just implement <see cref="IPluginFeatureProvider.Instance"/> instead.</para>
     /// </summary>
-    /// <param name="assemblies"></param>
+    /// <param name="assemblies">The assemblies to query for types.</param>
-    public void RegisterAll(Assembly[] assemblies)
+    /// <param name="namespace">If not null, only types within the given namespace will be registered.</param>
+    public void RegisterAll(Assembly[] assemblies, string? @namespace = null)
     {
         foreach (var assembly in assemblies)
             RegisterAll(assembly);
@@ -82,8 +83,9 @@ public class PluginFeatureController
     /// Registers all features found in the given <see cref="Assembly"/> via <see cref="IPluginFeatureProvider"/>, <see cref="IPluginFeatureProvider{T}"/> and <see cref="IPluginFeaturesProvider"/>.
     /// <para><b>Note:</b><br/>Explicit implementations of <see cref="IPluginFeatureProvider{T}.Instance"/> can not be detected. For this case just implement <see cref="IPluginFeatureProvider.Instance"/> instead.</para>
     /// </summary>
-    /// <param name="assembly"></param>
+    /// <param name="assembly">The assembly to query for types.</param>
-    public void RegisterAll(Assembly assembly)
+    /// <param name="namespace">If not null, only types within the given namespace will be registered.</param>
+    public void RegisterAll(Assembly assembly, string? @namespace = null)
     {
         RegisterAll(assembly.GetTypes());
     }
@@ -92,8 +94,9 @@ public class PluginFeatureController
     /// Registers all features found from the given <see cref="Type[]"/> via <see cref="IPluginFeatureProvider"/>, <see cref="IPluginFeatureProvider{T}"/> and <see cref="IPluginFeaturesProvider"/>.
     /// <para><b>Note:</b><br/>Explicit implementations of <see cref="IPluginFeatureProvider{T}.Instance"/> can not be detected. For this case just implement <see cref="IPluginFeatureProvider.Instance"/> instead.</para>
     /// </summary>
-    /// <param name="types"></param>
+    /// <param name="types">The types to query for providers.</param>
-    public void RegisterAll(Type[] types)
+    /// <param name="namespace">If not null, the types will only be processed if they're within the given namespace.</param>
+    public void RegisterAll(Type[] types, string? @namespace = null)
     {
         foreach (var type in types)
             RegisterAll(type);
@@ -103,9 +106,13 @@ public class PluginFeatureController
     /// Registers all features found from the given <see cref="Type"/> via <see cref="IPluginFeatureProvider"/>, <see cref="IPluginFeatureProvider{T}"/> and <see cref="IPluginFeaturesProvider"/>.
     /// <para><b>Note:</b><br/>Explicit implementations of <see cref="IPluginFeatureProvider{T}.Instance"/> can not be detected. For this case just implement <see cref="IPluginFeatureProvider.Instance"/> instead.</para>
     /// </summary>
-    /// <param name="type"></param>
+    /// <param name="type">The type to query for providers.</param>
-    public void RegisterAll(Type type)
+    /// <param name="namespace">If not null, the type will only be processed if it's within the given namespace.</param>
+    public void RegisterAll(Type type, string? @namespace = null)
     {
+        if (@namespace != null && type.Namespace != null && type.Namespace != @namespace && !type.Namespace.StartsWith(@namespace + "."))
+            return;
+
         if (type.IsAssignableTo(typeof(IPluginFeaturesProvider)))
         {
             var methods = type.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);