--- /dev/null
+// SMESH SMESH : implementaion of SMESH idl descriptions
+//
+// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//
+//
+// File : StdMeshers_ObjRefUlils.hxx
+// Created : Wed Oct 18 15:15:27 2006
+// Author : Edward AGAPOV (eap)
+// Copyright : Open CASCADE
+
+
+#ifndef StdMeshers_ObjRefUlils_HeaderFile
+#define StdMeshers_ObjRefUlils_HeaderFile
+
+#include "SMESH_Gen_i.hxx"
+
+/*!
+ * \brief Class encapsulates methods
+ * - converting internal objects to CORBA objects and backward and
+ * - persistence methods for such objects
+ *
+ * These methods are useful for hypotheses referring to other objects
+ * like meshes, geom objects, other hypotheses, etc.
+ */
+class StdMeshers_ObjRefUlils
+{
+public:
+ /*!
+ * \brief Return GEOM Object correspoding to TopoDS_Shape
+ * \param theShape - input TopoDS_Shape
+ * \retval GEOM::GEOM_Object_ptr - result object
+ */
+ static GEOM::GEOM_Object_ptr ShapeToGeomObject (const TopoDS_Shape& theShape ) {
+ if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
+ return gen->ShapeToGeomObject( theShape );
+ else
+ return GEOM::GEOM_Object::_nil();
+ }
+
+ /*!
+ * \brief Return TopoDS_Shape correspoding to GEOM_Object
+ * \param theGeomObject - input object
+ * \retval TopoDS_Shape - result TopoDS_Shape
+ */
+ static TopoDS_Shape GeomObjectToShape(GEOM::GEOM_Object_ptr theGeomObject) {
+ if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
+ return gen->GeomObjectToShape( theGeomObject );
+ else
+ return TopoDS_Shape();
+ }
+
+ /*!
+ * \brief Store the shape in the stream
+ * \param theShape - shape to store
+ * \param stream - the stream
+ */
+ static void SaveToStream( const TopoDS_Shape& theShape, std::ostream & stream);
+
+ /*!
+ * \brief Retrieve a shape from the stream
+ * \param stream - the stream
+ * \retval TopoDS_Shape - resulting shape
+ */
+ static TopoDS_Shape LoadFromStream( std::istream & stream);
+
+ /*!
+ * \brief Store the CORBA object in the stream
+ * \param obj - object to store
+ * \param stream - the stream
+ */
+ static void SaveToStream( CORBA::Object_ptr obj, std::ostream & stream);
+
+ /*!
+ * \brief Retrieve a CORBA object from the stream
+ * \param stream - the stream
+ * \retval CORBA::Object_ptr - result object
+ */
+ template<class TInterface>
+ static
+ typename TInterface::_var_type LoadObjectFromStream( std::istream & stream )
+ {
+ if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen()) {
+ std::string str;
+ if (stream >> str) {
+ if ( StudyContext* myStudyContext = gen->GetCurrentStudyContext() ) {
+ string ior = myStudyContext->getIORbyOldId( atoi( str.c_str() ));
+ if ( !ior.empty() )
+ return TInterface::_narrow(gen->GetORB()->string_to_object( ior.c_str() ));
+ }
+ }
+ }
+ return TInterface::_nil();
+ }
+};
+
+#endif