X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDLoader%2FMEDFileUtilities.cxx;h=1d51ae91885ddc9430592046bdaddfda65214e44;hb=35287602e212fd35b8a4b11215cb111b929a4875;hp=a402c36cdc4be711c69d547772ff263d1746b775;hpb=75943f980f7b908052ef03c2c0154508f4b0a039;p=tools%2Fmedcoupling.git

diff --git a/src/MEDLoader/MEDFileUtilities.cxx b/src/MEDLoader/MEDFileUtilities.cxx
index a402c36cd..1d51ae918 100644
--- a/src/MEDLoader/MEDFileUtilities.cxx
+++ b/src/MEDLoader/MEDFileUtilities.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2014  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2016  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
@@ -19,9 +19,16 @@
 // 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";
 
 med_access_mode MEDFileUtilities::TraduceWriteMode(int medloaderwritemode)
 {
@@ -114,34 +121,120 @@ MEDFileUtilities::AutoFid::~AutoFid()
   MEDfileClose(_fid);
 }
 
-ParaMEDMEM::MEDFileWritable::MEDFileWritable():_too_long_str(0),_zipconn_pol(2)
+MEDCoupling::MEDFileWritable::MEDFileWritable():_too_long_str(0),_zipconn_pol(2)
 {
 }
 
-void ParaMEDMEM::MEDFileWritable::copyOptionsFrom(const MEDFileWritable& other) const
+void MEDCoupling::MEDFileWritable::copyOptionsFrom(const MEDFileWritable& other) const
 {
   _too_long_str=other._too_long_str;
   _zipconn_pol=other._zipconn_pol;
 }
 
-int ParaMEDMEM::MEDFileWritable::getTooLongStrPolicy() const
+int MEDCoupling::MEDFileWritable::getTooLongStrPolicy() const
 {
   return _too_long_str;
 }
 
-void ParaMEDMEM::MEDFileWritable::setTooLongStrPolicy(int newVal)
+void MEDCoupling::MEDFileWritable::setTooLongStrPolicy(int newVal)
 {
   if(newVal!=2 && newVal!=1 && newVal!=0)
     throw INTERP_KERNEL::Exception("MEDFileWritable::setTooLongStrPolicy : invalid policy should be in 0,1 or 2 !");
   _too_long_str=newVal;
 }
 
-int ParaMEDMEM::MEDFileWritable::getZipConnPolicy()
+int MEDCoupling::MEDFileWritable::getZipConnPolicy()
 {
   return _zipconn_pol;
 }
 
-void ParaMEDMEM::MEDFileWritable::setZipConnPolicy(int newVal)
+void MEDCoupling::MEDFileWritable::setZipConnPolicy(int newVal)
 {
   _zipconn_pol=newVal;
 }
+
+std::string MEDCoupling::MEDFileWritable::FileNameFromFID(med_idt fid)
+{
+  int lgth(MEDfileName(fid,0,0));
+  if(lgth<=0)
+    return std::string();
+  INTERP_KERNEL::AutoPtr<char> tmp(new char[lgth+1]);
+  if(MEDfileName(fid,tmp,lgth)<0)
+    throw INTERP_KERNEL::Exception("MEDFileWritable::FileNameFromFID : Return code of MEDFile call \"MEDfileName\" is not >=0 as expected !");
+  return std::string(tmp);
+}
+
+MEDFileUtilities::AutoFid MEDCoupling::OpenMEDFileForRead(const std::string& fileName)
+{
+  MEDFileUtilities::CheckFileForRead(fileName);
+  return MEDFileUtilities::AutoFid(MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY));
+}
+
+/*!
+ * Writes \a this mesh into a MED file specified by its name.
+ *  \param [in] fileName - the MED file name.
+ *  \param [in] mode - the writing mode. For more on \a mode, see \ref AdvMEDLoaderBasics.
+ * - 2 - erase; an existing file is removed.
+ * - 1 - append; same data should not be present in an existing file.
+ * - 0 - overwrite; same data present in an existing file is overwritten.
+ *  \throw If the mesh name is not set.
+ *  \throw If \a mode == 1 and the same data is present in an existing file.
+ */
+void MEDCoupling::MEDFileWritableStandAlone::write(const std::string& fileName, int mode) const
+{
+  med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
+  MEDFileUtilities::AutoFid fid(MEDfileOpen(fileName.c_str(),medmod));
+  std::ostringstream oss; oss << "MEDFileWritableStandAlone : error on attempt to write in file : \"" << fileName << "\""; 
+  MEDFileUtilities::CheckMEDCode(fid,fid,oss.str());
+  writeLL(fid);
+}
+
+void MEDCoupling::MEDFileWritableStandAlone::write33(const std::string& fileName, int mode) const
+{
+  med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
+  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
+{
+  med_memfile memfile=MED_MEMFILE_INIT;
+  memfile.app_image_ptr=0;
+  memfile.app_image_size=0;
+  //
+  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);
+  return ret;
+}
+
+std::string MEDCoupling::MEDFileWritableStandAlone::GenerateUniqueDftFileNameInMem()
+{
+  static int ii=0;
+  std::ostringstream oss; oss << DFT_FILENAME_IN_MEM << "_" << ii++;
+  return oss.str();
+}