X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDLoader%2FMEDFileUtilities.cxx;h=e05a25c80a820e85823acd1cdb658321d57811de;hb=de0118467e24e50424bd949ee38e5b7a19f62f45;hp=201388f6a59f2bfeaf58832c42afa371795b99c1;hpb=892956ad6330b4589bc1f5bf0747653e2d3dd6bb;p=tools%2Fmedcoupling.git

diff --git a/src/MEDLoader/MEDFileUtilities.cxx b/src/MEDLoader/MEDFileUtilities.cxx
index 201388f6a..e05a25c80 100644
--- a/src/MEDLoader/MEDFileUtilities.cxx
+++ b/src/MEDLoader/MEDFileUtilities.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2019  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -19,11 +19,14 @@
 // Author : Anthony Geay (CEA/DEN)
 
 #include "MEDFileUtilities.hxx"
+#include "MEDFileSafeCaller.txx"
 #include "MEDLoaderBase.hxx"
+#include "MEDLoader.hxx"
 
 #include "InterpKernelAutoPtr.hxx"
 
 #include <sstream>
+#include <fstream>
 
 const char MEDCoupling::MEDFileWritableStandAlone::DFT_FILENAME_IN_MEM[]="DftFileNameInMemory";
 
@@ -186,12 +189,30 @@ void MEDCoupling::MEDFileWritableStandAlone::write(const std::string& fileName,
   writeLL(fid);
 }
 
-void MEDCoupling::MEDFileWritableStandAlone::write30(const std::string& fileName, int mode) const
+void MEDCoupling::MEDFileWritableStandAlone::write33(const std::string& fileName, int mode) const
 {
   med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
-  throw INTERP_KERNEL::Exception("MEDFileWritableStandAlone::write30 : will be implemented with MEDFile >= 3.2.1 !");
-  //MEDFileUtilities::AutoFid fid(MEDfileVersionOpen(fileName.c_str(),medmod,3,0,0));
-  //writeLL(fid);
+  static const unsigned char 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+#if MED_NUM_MAJEUR>3
+  med_bool fileexist,accessok;
+  MEDFILESAFECALLERRD0(MEDfileExist,(fileName.c_str(),medmod,&fileexist,&accessok));
+  if(!accessok)
+    {
+      std::ostringstream oss; oss << "MEDFileWritableStandAlone::write33 : requested access to file \"" << fileName << "\" !";
+      throw INTERP_KERNEL::Exception(oss.str());
+    }
+  if(medmod==MED_ACC_CREAT || !fileexist)
+    {
+      std::ofstream ofs(fileName);
+      ofs.write(reinterpret_cast<const char *>(EMPTY_FILE_3_3),sizeof(EMPTY_FILE_3_3));
+      medmod=MEDFileUtilities::TraduceWriteMode(0);
+    }
+  MEDFileUtilities::AutoFid fid(MEDfileVersionOpen(fileName.c_str(),medmod,3,3,1));
+  writeLL(fid);
+#else
+  std::ostringstream oss; oss << "MEDFileWritableStandAlone::write33 : is implemented with MEDFile " << MEDFileVersionStr() << " ! If you need this feature please use version >= 3.2.1.";
+  throw INTERP_KERNEL::Exception(oss.str());
+#endif
 }
 
 MEDCoupling::MCAuto<MEDCoupling::DataArrayByte> MEDCoupling::MEDFileWritableStandAlone::serialize() const
@@ -200,10 +221,20 @@ MEDCoupling::MCAuto<MEDCoupling::DataArrayByte> MEDCoupling::MEDFileWritableStan
   memfile.app_image_ptr=0;
   memfile.app_image_size=0;
   //
-  MEDFileUtilities::AutoFid fid(MEDmemFileOpen(DFT_FILENAME_IN_MEM,&memfile,MED_FALSE,MED_ACC_CREAT));
-  writeLL(fid);
+  std::string dftFileName(GenerateUniqueDftFileNameInMem());
+  {// very important to let this braces ! The AutoFid destructor must be called, to have a "clean" memfile.app_image_ptr pointer embedded in the returned object.
+    MEDFileUtilities::AutoFid fid(MEDmemFileOpen(dftFileName.c_str(),&memfile,MED_FALSE,MED_ACC_CREAT));
+    writeLL(fid);
+  }
   //
   MEDCoupling::MCAuto<MEDCoupling::DataArrayByte> ret(MEDCoupling::DataArrayByte::New());
-  ret->useArray(reinterpret_cast<char *>(memfile.app_image_ptr),true,C_DEALLOC,memfile.app_image_size,1);
+  ret->useArray(reinterpret_cast<char *>(memfile.app_image_ptr),true,DeallocType::C_DEALLOC,memfile.app_image_size,1);
   return ret;
 }
+
+std::string MEDCoupling::MEDFileWritableStandAlone::GenerateUniqueDftFileNameInMem()
+{
+  static int ii=0;
+  std::ostringstream oss; oss << DFT_FILENAME_IN_MEM << "_" << ii++;
+  return oss.str();
+}