1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 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, or (at your option) any later version.
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
23 // SMESH SMESH : implementation of SMESH idl descriptions
24 // File : StdMeshers_ObjRefUlils.hxx
25 // Created : Wed Oct 18 15:15:27 2006
26 // Author : Edward AGAPOV (eap)
28 #ifndef StdMeshers_ObjRefUlils_HeaderFile
29 #define StdMeshers_ObjRefUlils_HeaderFile
31 #include "SMESH_Gen_i.hxx"
32 #include "SMESH_StdMeshers_I.hxx"
35 * \brief Class encapsulates methods
36 * - converting internal objects to CORBA objects and backward and
37 * - persistence methods for such objects
39 * These methods are useful for hypotheses referring to other objects
40 * like meshes, geom objects, other hypotheses, etc.
42 class StdMeshers_ObjRefUlils
46 * \brief Return GEOM Object corresponding to TopoDS_Shape
47 * \param theShape - input TopoDS_Shape
48 * \retval GEOM::GEOM_Object_ptr - result object
50 static GEOM::GEOM_Object_ptr ShapeToGeomObject (const TopoDS_Shape& theShape ) {
51 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
52 return gen->ShapeToGeomObject( theShape );
54 return GEOM::GEOM_Object::_nil();
58 * \brief Return TopoDS_Shape corresponding to GEOM_Object
59 * \param theGeomObject - input object
60 * \retval TopoDS_Shape - result TopoDS_Shape
62 static TopoDS_Shape GeomObjectToShape(GEOM::GEOM_Object_ptr theGeomObject) {
63 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen())
64 return gen->GeomObjectToShape( theGeomObject );
66 return TopoDS_Shape();
70 * \brief Return TopoDS_Shape by a study entry
71 * \param theEntry - study entry
72 * \retval TopoDS_Shape - result TopoDS_Shape
74 STDMESHERS_I_EXPORT static TopoDS_Shape EntryToShape(const std::string theEntry);
77 * \brief Return study entry of GEOM Object
79 static std::string GeomObjectToEntry(GEOM::GEOM_Object_ptr theGeomObject);
82 * \brief Return GEOM Object by its study entry or TopoDS_Shape
84 static GEOM::GEOM_Object_ptr EntryOrShapeToGeomObject (const std::string& theEntry,
85 const TopoDS_Shape& theShape);
89 * \brief Store the shape in the stream
90 * \param theShape - shape to store
91 * \param stream - the stream
93 static void SaveToStream( const TopoDS_Shape& theShape, std::ostream & stream);
96 * \brief Retrieve a shape from the stream
97 * \param stream - the stream
98 * \retval TopoDS_Shape - resulting shape
100 static TopoDS_Shape LoadFromStream( std::istream & stream, std::string* entry=NULL );
103 * \brief Store the CORBA object in the stream
104 * \param obj - object to store
105 * \param stream - the stream
107 static void SaveToStream( CORBA::Object_ptr obj, std::ostream & stream );
110 * \brief Retrieve a CORBA object from the stream
111 * \param stream - the stream
112 * \retval CORBA::Object_ptr - result object
114 template<class TInterface>
116 typename TInterface::_var_type LoadObjectFromStream( std::istream & stream )
118 if (SMESH_Gen_i* gen = SMESH_Gen_i::GetSMESHGen()) {
121 if ( StudyContext* myStudyContext = gen->GetStudyContext() ) {
122 std::string ior = myStudyContext->getIORbyOldId( atoi( str.c_str() ));
124 return TInterface::_narrow(gen->GetORB()->string_to_object( ior.c_str() ));
128 return TInterface::_nil();
132 * \brief Store the study entry of object in the stream
133 * \param studyEntry - the study entry
134 * \param stream - the stream
136 static void SaveToStream( const std::string& studyEntry, std::ostream & stream);