X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FDriver%2FDriver_Mesh.h;h=8ec3bac1f77137908129d1e71b1731a499c9594a;hb=3b4c34ed3671faa92d8554fe2e2b4cee64d9774e;hp=53a495de817a7669c67a72fac54299d708565ede;hpb=5d68554076bbca0e1e95fb0db215a6c2b84b6c54;p=modules%2Fsmesh.git

diff --git a/src/Driver/Driver_Mesh.h b/src/Driver/Driver_Mesh.h
index 53a495de8..8ec3bac1f 100644
--- a/src/Driver/Driver_Mesh.h
+++ b/src/Driver/Driver_Mesh.h
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2014  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
@@ -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
 //
@@ -28,9 +28,11 @@
 #define _INCLUDE_DRIVER_MESH
 
 #include "SMESH_ComputeError.hxx"
+#include "SMDS_Mesh.hxx"
 
 #include <string>
 #include <vector>
+#include <smIdType.hxx>
 
 #ifdef WIN32
  #if defined MESHDRIVER_EXPORTS || defined MeshDriver_EXPORTS
@@ -50,12 +52,13 @@ 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);
@@ -63,18 +66,34 @@ class MESHDRIVER_EXPORT Driver_Mesh
   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 = ToSmIdType( 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;