1 // SMESH SMESH : implementaion of SMESH idl descriptions
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : StdMeshers_ObjRefUlils.hxx
25 // Created : Wed Oct 18 15:15:27 2006
26 // Author : Edward AGAPOV (eap)
27 // Copyright : Open CASCADE
30 #ifndef StdMeshers_ObjRefUlils_HeaderFile
31 #define StdMeshers_ObjRefUlils_HeaderFile
33 #include "SMESH_Gen_i.hxx"
36 * \brief Class encapsulates methods
37 * - converting internal objects to CORBA objects and backward and
38 * - persistence methods for such objects
40 * These methods are useful for hypotheses referring to other objects
41 * like meshes, geom objects, other hypotheses, etc.
43 class StdMeshers_ObjRefUlils
47 * \brief Return GEOM Object correspoding to TopoDS_Shape
48 * \param theShape - input TopoDS_Shape
49 * \retval GEOM::GEOM_Object_ptr - result object
51 static GEOM::GEOM_Object_ptr ShapeToGeomObject (const TopoDS_Shape& theShape ) {
52 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
53 return gen->ShapeToGeomObject( theShape );
55 return GEOM::GEOM_Object::_nil();
59 * \brief Return TopoDS_Shape correspoding to GEOM_Object
60 * \param theGeomObject - input object
61 * \retval TopoDS_Shape - result TopoDS_Shape
63 static TopoDS_Shape GeomObjectToShape(GEOM::GEOM_Object_ptr theGeomObject) {
64 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
65 return gen->GeomObjectToShape( theGeomObject );
67 return TopoDS_Shape();
71 * \brief Store the shape in the stream
72 * \param theShape - shape to store
73 * \param stream - the stream
75 static void SaveToStream( const TopoDS_Shape& theShape, std::ostream & stream);
78 * \brief Retrieve a shape from the stream
79 * \param stream - the stream
80 * \retval TopoDS_Shape - resulting shape
82 static TopoDS_Shape LoadFromStream( std::istream & stream);
85 * \brief Store the CORBA object in the stream
86 * \param obj - object to store
87 * \param stream - the stream
89 static void SaveToStream( CORBA::Object_ptr obj, std::ostream & stream);
92 * \brief Retrieve a CORBA object from the stream
93 * \param stream - the stream
94 * \retval CORBA::Object_ptr - result object
96 template<class TInterface>
98 typename TInterface::_var_type LoadObjectFromStream( std::istream & stream )
100 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen()) {
103 if ( StudyContext* myStudyContext = gen->GetCurrentStudyContext() ) {
104 string ior = myStudyContext->getIORbyOldId( atoi( str.c_str() ));
106 return TInterface::_narrow(gen->GetORB()->string_to_object( ior.c_str() ));
110 return TInterface::_nil();