--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 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, or (at your option) any later version.
+//
+// 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 : SMESH_BoostTxtArchive.hxx
+// Created : Thu Aug 5 19:10:24 2021
+// Author : Edward AGAPOV (eap)
+
+
+#ifndef __SMESH_BoostTxtArchive_HXX__
+#define __SMESH_BoostTxtArchive_HXX__
+
+#include "SMESH_Utils.hxx"
+
+#include <boost/archive/text_iarchive.hpp>
+
+namespace SMESHUtils
+{
+ /*!
+ * \brief Load an object from a string created by boost::archive::text_oarchive.
+ *
+ * Try to workaround the issue that loading fails if the archive string
+ * is created by a newer version of boost::archive library.
+ *
+ * Usage: ObjType obj; BoostTxtArchive( arcString ) >> obj;
+ */
+ class SMESHUtils_EXPORT BoostTxtArchive
+ {
+ public:
+
+ BoostTxtArchive( const std::string& s );
+ BoostTxtArchive( std::istream& stream );
+ ~BoostTxtArchive();
+
+ template< class T >
+ BoostTxtArchive & operator>>( T & t )
+ {
+ if ( myArchiveReader )
+ try
+ {
+ (*myArchiveReader) >> t;
+ }
+ catch (...)
+ {
+ if ( fixString() )
+ try
+ {
+ (*myArchiveReader) >> t;
+ }
+ catch(...)
+ {
+ }
+ }
+ return *this;
+ }
+
+ private:
+
+ void makeReader();
+ bool fixString();
+
+ boost::archive::text_iarchive* myArchiveReader;
+ std::string myString; // archive to read
+ bool myStringFixed; // is archive version changed
+ std::istream* myStream; // stream holding myString
+ bool myOwnStream; // is myStream created by me
+
+ // persistence used to create a current version archive
+ friend class boost::serialization::access;
+ template<class Archive>
+ void serialize(Archive & /*ar*/, const unsigned int /*version*/)
+ {
+ }
+ };
+}
+
+
+#endif
