+ SMESH_TryCatch.hxx

src/SMESHUtils/Makefile.am

@@ -33,7 +33,8 @@ salomeinclude_HEADERS = \
 	SMESH_Comment.hxx \
 	SMESH_ComputeError.hxx \
 	SMESH_File.hxx \
-	SMESH_Utils.hxx
+	SMESH_Utils.hxx \
+	SMESH_TryCatch.hxx
 
 # Libraries targets
 

src/SMESHUtils/SMESH_TryCatch.hxx

@@ -0,0 +1,115 @@
+// Copyright (C) 2007-2012  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.
+//
+// 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_TryCatch.hxx
+// Created   : Mon Dec 17 15:43:38 2012
+// Author    : Edward AGAPOV (eap)
+
+#ifndef __SMESH_TryCatch_HXX__
+#define __SMESH_TryCatch_HXX__
+
+#include "SMESH_Comment.hxx"
+#include "SMESH_ComputeError.hxx"
+#include "SMESH_Utils.hxx"
+
+#include <Utils_SALOME_Exception.hxx>
+#include <Standard_Failure.hxx>
+#include <Standard_ErrorHandler.hxx>
+#include <Basics_OCCTVersion.hxx>
+#include <utilities.h>
+
+// IMPORTANT: include this file _after_ OCC ones, else OCC_CATCH_SIGNALS can be undefined!
+
+#ifndef OCC_CATCH_SIGNALS
+#define OCC_CATCH_SIGNALS
+#endif
+
+// Define macros to catch and convert some of possible exceptions into text or SALOME_Exception
+
+//-------------------------------------------------------------------------------------
+#define SMESH_TRY                               \
+  try {                                         \
+  OCC_CATCH_SIGNALS                             \
+
+//-------------------------------------------------------------------------------------
+// A macro to add a custom catch clause to SMESH_CATCH
+// To add your own catch close, define SMY_OWN_CATCH macro before including this file.
+#ifndef SMY_OWN_CATCH
+#define SMY_OWN_CATCH
+#endif
+
+//-------------------------------------------------------------------------------------
+// A macro allowing to retrieve a result returned by onExceptionFun
+#define SMESH_CAUGHT
+
+//-------------------------------------------------------------------------------------
+// A macro makes description of a caught exception and calls onExceptionFun(const char*).
+// Two onExceptionFun() are defined here: SMESH::throwSalomeEx() and SMESH::doNothing().
+// To add your own catch close, define SMY_OWN_CATCH macro before including this file.
+
+#define SMESH_CATCH( onExceptionFun )                                   \
+  }                                                                     \
+  catch (Standard_Failure& ex)                                          \
+  {                                                                     \
+    SMESH_Comment text("OCCT Exception: ");                             \
+    text << ": " << ex.DynamicType()->Name();                           \
+    if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))      \
+      text << ": " << ex.GetMessageString();                            \
+    SMESH_CAUGHT onExceptionFun( text );                                \
+  }                                                                     \
+  catch ( ::SMESH_ComputeError& ce )                                    \
+  {                                                                     \
+    if ( !ce.myComment.empty() )                                        \
+      SMESH_CAUGHT onExceptionFun( ce.myComment.c_str() );              \
+    else if ( ce.IsCommon() )                                           \
+      SMESH_CAUGHT onExceptionFun( ce.CommonName().c_str() );           \
+    else                                                                \
+      SMESH_CAUGHT onExceptionFun                                       \
+        (SMESH_Comment("SMESH_ComputeError: ") << ce.myName );          \
+  }                                                                     \
+  catch ( const std::exception& ex)                                     \
+  {                                                                     \
+    SMESH_CAUGHT onExceptionFun( ex.what() );                           \
+  }                                                                     \
+                                                                        \
+  SMY_OWN_CATCH                                                         \
+                                                                        \
+  catch (...)                                                           \
+  {                                                                     \
+    SMESH_CAUGHT onExceptionFun("Unknown Exception caught");            \
+  }
+
+//-------------------------------------------------------------------------------------
+// Functions that can be used as an argument of SMESH_CATCH
+namespace SMESH
+{
+  void throwSalomeEx(const char* txt)
+  {
+    throw SALOME_Exception( txt );
+  }
+
+  inline void doNothing(const char* txt)
+  {
+    MESSAGE( txt << " " << __FILE__ << ": " << __LINE__ );
+  }
+}
+
+#endif