Ignore les graphes nommés .xxx dès la configuration.

src/DependencyInjection/Configuration.php

@@ -81,6 +81,16 @@ class Configuration implements ConfigurationInterface
         $node
             ->info('Graphes.')
             ->useAttributeAsKey('name')
+            ->beforeNormalization()
+                ->always(function ($graphs) {
+                    foreach (array_keys($graphs) as $key) {
+                        if (strpos($key, '.') === 0) {
+                            unset($graphs[$key]);
+                        }
+                    }
+                    return $graphs;
+                })
+            ->end()
             ->prototype('array')
                 ->info("description d'un graphe à générer.")
                 ->children()

src/DependencyInjection/IrsteaPlantUmlExtension.php

@@ -49,9 +49,6 @@ class IrsteaPlantUmlExtension extends Extension
 
         $filterBuilder = new ClassFilterBuilder($container);
         foreach ($config['graphs'] as $key => $graph) {
-            if (strpos($key, '.') === 0) {
-                continue;
-            }
             $id = "irstea_plant_uml.graph.$key";
             $builder = new GraphDefinitionBuilder($container, $id, $graph, $filterBuilder);
             $container->setDefinition($id, $builder->build());