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Merge branch 'V9_9_BR'
[modules/smesh.git] / src / MEDWrapper / MED_Factory.cxx
index c6d62d253e4b7352de16efddc2031f3405429e90..3f0de5ca5c5bd25e07e54fcfbc816c1df5912813 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2019  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2022  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
@@ -46,58 +46,27 @@ extern "C"
 
 // -------------------------------------------------------------------------------------------------------------------
 // --- MED file compatibility: write using a lower major version implies append on an empty file of the target version
+//
+// *******************************************************************************************************************
+// ==> This file must be modified when MED version changes:
+// MED_MAJOR_NUM and MED_MINOR_NUM are defined in an external include from MED prerequisite: med.h
+// When MED_MAJOR_NUM or MED_MINOR_NUM changes, MED_MAJOR_EXPECTED and MED_MINOR_EXPECTED must be set accordingly
+// and MED_VERSIONS_APPEND_COMPATIBLE must be updated: The lower compatible versions may change with a new MED version
+// If the major version of MED change (for instance 4 --> 5) and if MED allows to append meshes in MED-4.x format,
+// Empty file content for MED-4.x should be provided (EMPTY_FILE_4x) and method CreateEmptyMEDFile should be updated.
+// *******************************************************************************************************************
 
 #define MED_MAJOR_EXPECTED 4
-#define MED_MINOR_EXPECTED 0
+#define MED_MINOR_EXPECTED 1
 #if MED_MAJOR_NUM != MED_MAJOR_EXPECTED
-  #error "MED major version does not correspond to the expected version, fix the minor and major compatibility values in CheckCompatibility method (MED_VERSIONS_APPEND_COMPATIBLE) and set the correct expected version"
+  #error "MED major version does not correspond to the expected version, fix the minor and major compatibility values in CheckCompatibility method (MED_VERSIONS_APPEND_COMPATIBLE) and set the correct expected version (MED_MAJOR_EXPECTED, MED_MINOR_EXPECTED)"
 #endif
 #if MED_MINOR_NUM != MED_MINOR_EXPECTED
-  #error "MED minor version does not correspond to the expected version, fix the minor and major compatibility values in CheckCompatibility method (MED_VERSIONS_APPEND_COMPATIBLE) and set the correct expected version"
+  #error "MED minor version does not correspond to the expected version, fix the minor and major compatibility values in CheckCompatibility method (MED_VERSIONS_APPEND_COMPATIBLE) and set the correct expected version above (MED_MAJOR_EXPECTED, MED_MINOR_EXPECTED)"
 #endif
-#define MED_VERSIONS_APPEND_COMPATIBLE {40, 32, 33} // --- 10*major + minor (the 3rd digit, release, is not used here,
-                                                    //                       med uses always the latest available)
-                                                    // --- The first in the list should be the default: current version
-// --- empty med file content for the different MED versions with a different major.
-//     ==> correct accordingly CreateEmptyMEDFile method below!
-#define EMPTY_FILE_32 {0x89,0x48,0x44,0x46,0xd,0xa,0x1a,0xa,0x0,0x0,0x0,0x0,0x0,0x8,0x8,0x0,0x4,0x0,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xe8,0x7,0x0,0x0,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x60,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x88,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xa8,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x0,0x1,0x0,0x1,0x0,0x0,0x0,0x18,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x11,0x0,0x10,0x0,0x0,0x0,0x0,0x0,0x88,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xa8,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0x54,0x52,0x45,0x45,0x0,0x0,0x1,0x0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe0,0x5,0x0,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x48,0x45,0x41,0x50,0x0,0x0,0x0,0x0,0x58,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x18,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc8,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x49,0x4e,0x46,0x4f,0x53,0x5f,0x47,0x45,0x4e,0x45,0x52,0x41,0x4c,0x45,0x53,0x0,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x0,0x5,0x0,0x1,0x0,0x0,0x0,0x18,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10,0x0,0x10,0x0,0x0,0x0,0x0,0x0,0x28,0x7,0x0,0x0,0x0,0x0,0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x54,0x52,0x45,0x45,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe0,0x5,0x0,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0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-/* --- bytes hexa representation of MED file built in Python
-f= open('vide_321.med', 'rb')
-data=f.read()
-ba=bytearray(data)
-a=""
-for i in ba:
-  a+=hex(i)
-  a+=','
-print a
-*/
-
-//! internal use: fileName and version must be checked before call
-bool CreateEmptyMEDFile(const std::string& fileName, int version)
-{
-  MESSAGE("create an empty med file of the right version, for append " << version);
-  static const unsigned char empty_32[] = EMPTY_FILE_32;
-  static const unsigned char empty_33[] = EMPTY_FILE_33;
-#ifdef WIN32
-#ifdef UNICODE
-  std::wstring aFilename = Kernel_Utils::utf8_decode_s(fileName);
-#else
-  std::wstring aFilename = fileName;
-#endif
-  std::ofstream ofs(aFilename, std::ios::binary);
-#else
-  std::ofstream ofs(fileName);
-#endif
-  if (version == 32)
-    ofs.write(reinterpret_cast<const char *>(empty_32),sizeof(empty_32));
-  else if (version == 33)
-    ofs.write(reinterpret_cast<const char *>(empty_33),sizeof(empty_33));
-  ofs.flush();
-  ofs.close();
-  return true;
-}
-// -------------------------------------------------------------------------------------------------------------------
+#define MED_VERSIONS_APPEND_COMPATIBLE {41, 40, 32, 33} // --- 10*major + minor (the 3rd digit, release, is not used here,
+                                                        //                       med uses always the latest available)
+                                                        // --- The first in the list should be the default: current version
 
 namespace MED
 {
@@ -130,6 +99,9 @@ namespace MED
   {
     int mvok[] = MED_VERSIONS_APPEND_COMPATIBLE;
     std::vector<int> MEDVersionsOK(mvok, mvok + sizeof(mvok)/sizeof(int));
+    int curVersion = MED_MAJOR_NUM * 10 + MED_MINOR_NUM;
+    if ( MEDVersionsOK[0] != curVersion )
+      MEDVersionsOK.insert( MEDVersionsOK.begin(), curVersion );
     return MEDVersionsOK;
   }
 
@@ -142,7 +114,7 @@ namespace MED
   bool CheckCompatibility(const std::string& fileName, bool isForAppend)
   {
     bool ok = false;
-    int medVersionsOK[] = MED_VERSIONS_APPEND_COMPATIBLE;
+    std::vector<int> medVersionsOK = GetMEDVersionsAppendCompatible();
     // check that file is accessible
     if ( exists(fileName) ) {
       // check HDF5 && MED compatibility
@@ -161,7 +133,7 @@ namespace MED
               ok = true;
             else {
               int medVersion = 10*major + minor;
-              for (size_t ii=0; ii < sizeof(medVersionsOK)/sizeof(int); ii++)
+              for (size_t ii=0; ii < medVersionsOK.size(); ii++)
                 if (medVersionsOK[ii] == medVersion) {
                   ok =true;
                   break;
@@ -211,10 +183,10 @@ namespace MED
     if (!CheckCompatibility(fileName)) {
       EXCEPTION(std::runtime_error, "Cannot open file '"<<fileName<<"'.");
     }
-    return new MED::TWrapper(fileName, false);
+    return new MED::TWrapper(fileName, false, nullptr);
   }
 
-  PWrapper CrWrapperW(const std::string& fileName, int theVersion)
+  PWrapper CrWrapperW(const std::string& fileName, int theVersion, TFileInternal *tfileInst)
   {
     bool isCreated = false;
     if (!CheckCompatibility(fileName, true))
@@ -222,35 +194,16 @@ namespace MED
       remove(fileName.c_str());
       isCreated = true;
     }
-    int minor = -1;
-    if (isCreated)
+    med_int wantedMajor = MED_MAJOR_NUM;
+    med_int wantedMinor = MED_MINOR_NUM;
+    // when non managed version of file is requested : ignore it and take the latest version
+    std::vector<int> versionsOK = GetMEDVersionsAppendCompatible();
+    bool   isVersionRequestedOK = std::find(versionsOK.begin(),versionsOK.end(),theVersion)!=versionsOK.end();
+    if (isCreated && isVersionRequestedOK)
     {
-      med_int wantedMajor = MED_MAJOR_NUM;
-      med_int wantedMinor = MED_MINOR_NUM;
-      if (theVersion > 0)
-      {
-        wantedMajor = theVersion/10;
-        wantedMinor = theVersion%10;
-      }
-      if (wantedMajor == MED_MAJOR_NUM) // the med file will be actually created
-      {
-        if (wantedMinor < MED_MINOR_NUM)
-          minor = wantedMinor;
-      }
-      else                              // an empty existing med file of the right version will be used for append
-      {
-        int medVersionsOK[] = MED_VERSIONS_APPEND_COMPATIBLE;
-        bool isVersionOK = false;
-        for (size_t ii=0; ii < sizeof(medVersionsOK)/sizeof(int); ii++)
-          if (medVersionsOK[ii] == theVersion)
-          {
-            isVersionOK =true;
-            break;
-          }
-        if (isVersionOK)              // copy an empty existing med file of the right version, for append
-          CreateEmptyMEDFile(fileName, theVersion);
-      }
+      wantedMajor = theVersion / 10;
+      wantedMinor = theVersion % 10;
     }
-    return new MED::TWrapper(fileName, true, minor);
+    return new MED::TWrapper(fileName, true, tfileInst, wantedMajor, wantedMinor);
   }
 }