Add plugins: configure Volume/SensitiveDetector from information in XML Nodes

DDCore/src/plugins/DetElementConfig.cpp

+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Framework includes
+#include <DD4hep/DetFactoryHelper.h>
+#include <DD4hep/DetectorTools.h>
+#include <DD4hep/Printout.h>
+#include <DD4hep/Plugins.h>
+#include <XML/DocumentHandler.h>
+#include <XML/Utilities.h>
+
+// C/C++ include files
+#include <climits>
+
+/// Do not clutter global namespace
+namespace  {
+
+  using namespace dd4hep;
+
+  /// Call to add configuration a posteriori to a generic DetElement structure
+  /** Plugins to modify DetElement structures after creation.
+   *  - Delegate to XML Utilities
+   *  
+   *  \author M.Frank
+   *  \date   03.03.2023
+   */
+  long configure_detelement(Detector& detector, xml_h e)   {
+    xml_comp_t  x_det = e;
+    std::string path  = x_det.attr<std::string>(_U(path));
+    DetElement  det   = detail::tools::findElement(detector, path.c_str());
+    if ( det.isValid() )    {
+      std::size_t count = 0;
+      bool propagate = det == detector.world() ? false: x_det.attr<bool>(_U(propagate), false);
+      if ( xml_dim_t x_vol = x_det.child(_U(volume), false) )   {
+	count += xml::configVolume(detector, x_vol, det.volume(), propagate, false);
+      }
+      PrintLevel lvl = x_det.attr<xml::Attribute>(_U(debug), nullptr) ? ALWAYS : DEBUG;
+      printout(lvl, "DetElementConfig", "++ Applied %ld settings to %s", count, path.c_str());
+      return 1;
+    }
+    except("DetElementConfig","FAILED: No valid DetElement. Configuration could not be applied!");
+    return 0;
+  }
+  
+  /// Call to add a posteriori configuration to a generic DetElement structure
+  /** Plugins to modify Sensitive detector structures after creation.
+   *  - Delegate to XML Utilities
+   *  
+   *  \author M.Frank
+   *  \date   03.03.2023
+   */
+  long configure_sensitive(Detector& detector, xml_h e)   {
+    xml_comp_t c = e;
+    std::string name  = c.attr<std::string>(_U(detector));
+    std::size_t count = xml::configSensitiveDetector(detector, detector.sensitiveDetector(name), e);
+    PrintLevel  lvl   = c.attr<xml::Attribute>(_U(debug), nullptr) ? ALWAYS : DEBUG;
+    printout(lvl, "SensDetConfig", "++ Applied %ld settings to %s", count, name.c_str());
+    return 1;
+  }
+  
+}  // End namespace dd4hep
+/// Instantiate factory
+DECLARE_XML_PLUGIN(DD4hep_DetElementConfig, configure_detelement);
+/// Instantiate factory
+DECLARE_XML_PLUGIN(DD4hep_SensitiveDetectorConfig, configure_sensitive);