bos #24257 [CEA] Fatal error when creating a submesh if the mesh is on a sub-shape

[modules/smesh.git] / src / Driver / Driver_Mesh.h

diff --git a/src/Driver/Driver_Mesh.h b/src/Driver/Driver_Mesh.h
index 21170efca6c18c4a1e83f7ece2849c62168ff3d2..9eac8fc88c18cde7055d9660b1282b12fdb2d7e8 100644 (file)
--- a/src/Driver/Driver_Mesh.h
+++ b/src/Driver/Driver_Mesh.h
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+// 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
@@ -6,7 +6,7 @@
 // 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.
+// 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
@@ -20,7 +20,7 @@
 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 
-//  SMESH Driver : implementaion of driver for reading and writing  
+//  SMESH Driver : implementation of driver for reading and writing
 //  File   : Mesh_Reader.h
 //  Module : SMESH
 //
@@ -28,11 +28,12 @@
 #define _INCLUDE_DRIVER_MESH
 
 #include "SMESH_ComputeError.hxx"
+#include "SMDS_Mesh.hxx"
 
 #include <string>
 #include <vector>
 
-#ifdef WNT
+#ifdef WIN32
  #if defined MESHDRIVER_EXPORTS || defined MeshDriver_EXPORTS
   #define MESHDRIVER_EXPORT __declspec( dllexport )
  #else
@@ -50,31 +51,48 @@ class MESHDRIVER_EXPORT Driver_Mesh
 
   enum Status {
     DRS_OK,
-    DRS_EMPTY,          // a file contains no mesh with the given name
-    DRS_WARN_RENUMBER,  // a file has overlapped ranges of element numbers,
-                        // so the numbers from the file are ignored
-    DRS_WARN_SKIP_ELEM, // some elements were skipped due to incorrect file data
+    DRS_EMPTY,           // a file contains no mesh with the given name
+    DRS_WARN_RENUMBER,   // a file has overlapped ranges of element numbers,
+                         // so the numbers from the file are ignored
+    DRS_WARN_SKIP_ELEM,  // some elements were skipped due to incorrect file data
     DRS_WARN_DESCENDING, // some elements were skipped due to descending connectivity
-    DRS_FAIL            // general failure (exception etc.)
+    DRS_FAIL,            // general failure (exception etc.)
+    DRS_TOO_LARGE_MESH   // mesh is too large for export
   };
 
   void                SetMeshId(int theMeshId);
-  void                SetFile(const std::string& theFileName);
+  virtual void        SetFile(const std::string& theFileName);
   virtual void        SetMeshName(const std::string& theMeshName);
   virtual std::string GetMeshName() const;
 
-  virtual void        SetOption(const std::string& optionName,
-                                const std::string& optionValue) {}
+  virtual void        SetOption(const std::string& /*optionName*/,
+                                const std::string& /*optionValue*/) {}
 
   virtual Status Perform() = 0;
 
   virtual SMESH_ComputeErrorPtr GetError();
 
+  // check if a mesh is too large to export it using IDTYPE;
+  // check either max ID or number of elements
+  template< typename IDTYPE >
+    static bool IsMeshTooLarge( const SMDS_Mesh* mesh, bool checkIDs )
+  {
+    if ( sizeof( IDTYPE ) < sizeof( smIdType ))
+    {
+      const smIdType maxNB = std::numeric_limits< IDTYPE >::max();
+      return (( checkIDs ? mesh->MaxNodeID()    : mesh->NbNodes() )  > maxNB ||
+              ( checkIDs ? mesh->MaxElementID() : mesh->NbElements() > maxNB ));
+    }
+    return false;
+  }
+
  protected:
   std::string myFile;
   std::string myMeshName;
   int         myMeshId;
 
+  static std::string fixUTF8(const std::string & s );
+
   Status addMessage(const std::string& msg, const bool isFatal=false);
   std::vector< std::string > myErrorMessages;
   Status                     myStatus;