1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony Geay (CEA/DEN)
21 #include "MEDFileUtilities.hxx"
22 #include "MEDLoaderBase.hxx"
23 #include "MEDLoader.hxx"
25 #include "InterpKernelAutoPtr.hxx"
29 const char MEDCoupling::MEDFileWritableStandAlone::DFT_FILENAME_IN_MEM[]="DftFileNameInMemory";
31 med_access_mode MEDFileUtilities::TraduceWriteMode(int medloaderwritemode)
33 switch(medloaderwritemode)
42 throw INTERP_KERNEL::Exception("Invalid write mode specified ! must be 0(write with no question), 1(append) or 2(creation)");
46 const char *MEDFileUtilities::GetReadableMEDFieldType(med_field_type ft)
48 static const char medFloat64[]="MED_FLOAT64";
49 static const char medInt32[]="MED_INT32";
50 static const char medInt64[]="MED_INT64";
60 throw INTERP_KERNEL::Exception("Non supported field type ! Should be FLOAT64, INT32 or INT64 !");
64 void MEDFileUtilities::CheckMEDCode(int code, med_idt fid, const std::string& msg)
68 std::ostringstream oss;
69 oss << "MEDFile has returned an error code (" << code <<") : " << msg;
70 throw INTERP_KERNEL::Exception(oss.str().c_str());
74 void MEDFileUtilities::CheckFileForRead(const std::string& fileName)
76 int status=MEDLoaderBase::getStatusOfFile(fileName);
77 std::ostringstream oss;
78 oss << " File : \"" << fileName << "\"";
81 case MEDLoaderBase::DIR_LOCKED:
83 oss << " has been detected as unreadable : impossible to read anything !";
84 throw INTERP_KERNEL::Exception(oss.str().c_str());
86 case MEDLoaderBase::NOT_EXIST:
88 oss << " has been detected as NOT EXISTING : impossible to read anything !";
89 throw INTERP_KERNEL::Exception(oss.str().c_str());
91 case MEDLoaderBase::EXIST_WRONLY:
93 oss << " has been detected as WRITE ONLY : impossible to read anything !";
94 throw INTERP_KERNEL::Exception(oss.str().c_str());
97 AutoFid fid=MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY);
100 oss << " has been detected as unreadable by MED file : impossible to read anything !";
101 throw INTERP_KERNEL::Exception(oss.str().c_str());
103 oss << " has been detected readable but ";
104 int major,minor,release;
105 MEDfileNumVersionRd(fid,&major,&minor,&release);
106 if(major<2 || (major==2 && minor<2))
108 oss << "version of MED file is < 2.2 : impossible to read anything !";
109 throw INTERP_KERNEL::Exception(oss.str().c_str());
113 MEDFileUtilities::AutoFid::AutoFid(med_idt fid):_fid(fid)
117 MEDFileUtilities::AutoFid::~AutoFid()
122 MEDCoupling::MEDFileWritable::MEDFileWritable():_too_long_str(0),_zipconn_pol(2)
126 void MEDCoupling::MEDFileWritable::copyOptionsFrom(const MEDFileWritable& other) const
128 _too_long_str=other._too_long_str;
129 _zipconn_pol=other._zipconn_pol;
132 int MEDCoupling::MEDFileWritable::getTooLongStrPolicy() const
134 return _too_long_str;
137 void MEDCoupling::MEDFileWritable::setTooLongStrPolicy(int newVal)
139 if(newVal!=2 && newVal!=1 && newVal!=0)
140 throw INTERP_KERNEL::Exception("MEDFileWritable::setTooLongStrPolicy : invalid policy should be in 0,1 or 2 !");
141 _too_long_str=newVal;
144 int MEDCoupling::MEDFileWritable::getZipConnPolicy()
149 void MEDCoupling::MEDFileWritable::setZipConnPolicy(int newVal)
154 std::string MEDCoupling::MEDFileWritable::FileNameFromFID(med_idt fid)
156 int lgth(MEDfileName(fid,0,0));
158 return std::string();
159 INTERP_KERNEL::AutoPtr<char> tmp(new char[lgth+1]);
160 if(MEDfileName(fid,tmp,lgth)<0)
161 throw INTERP_KERNEL::Exception("MEDFileWritable::FileNameFromFID : Return code of MEDFile call \"MEDfileName\" is not >=0 as expected !");
162 return std::string(tmp);
165 MEDFileUtilities::AutoFid MEDCoupling::OpenMEDFileForRead(const std::string& fileName)
167 MEDFileUtilities::CheckFileForRead(fileName);
168 return MEDFileUtilities::AutoFid(MEDfileOpen(fileName.c_str(),MED_ACC_RDONLY));
172 * Writes \a this mesh into a MED file specified by its name.
173 * \param [in] fileName - the MED file name.
174 * \param [in] mode - the writing mode. For more on \a mode, see \ref AdvMEDLoaderBasics.
175 * - 2 - erase; an existing file is removed.
176 * - 1 - append; same data should not be present in an existing file.
177 * - 0 - overwrite; same data present in an existing file is overwritten.
178 * \throw If the mesh name is not set.
179 * \throw If \a mode == 1 and the same data is present in an existing file.
181 void MEDCoupling::MEDFileWritableStandAlone::write(const std::string& fileName, int mode) const
183 med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
184 MEDFileUtilities::AutoFid fid(MEDfileOpen(fileName.c_str(),medmod));
185 std::ostringstream oss; oss << "MEDFileWritableStandAlone : error on attempt to write in file : \"" << fileName << "\"";
186 MEDFileUtilities::CheckMEDCode(fid,fid,oss.str());
190 void MEDCoupling::MEDFileWritableStandAlone::write30(const std::string& fileName, int mode) const
192 med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
193 #if MED_NUM_MAJEUR>=3 && MED_NUM_MINEUR>=2 && MED_NUM_RELEASE>=1
194 MEDFileUtilities::AutoFid fid(MEDfileVersionOpen(fileName.c_str(),medmod,3,0,0));
197 std::ostringstream oss; oss << "MEDFileWritableStandAlone::write30 : is implemented with MEDFile " << MEDFileVersionStr() << " ! If you need this feature please use version >= 3.2.1.";
198 throw INTERP_KERNEL::Exception(oss.str());
202 MEDCoupling::MCAuto<MEDCoupling::DataArrayByte> MEDCoupling::MEDFileWritableStandAlone::serialize() const
204 med_memfile memfile=MED_MEMFILE_INIT;
205 memfile.app_image_ptr=0;
206 memfile.app_image_size=0;
208 std::string dftFileName(GenerateUniqueDftFileNameInMem());
209 {// 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.
210 MEDFileUtilities::AutoFid fid(MEDmemFileOpen(dftFileName.c_str(),&memfile,MED_FALSE,MED_ACC_CREAT));
214 MEDCoupling::MCAuto<MEDCoupling::DataArrayByte> ret(MEDCoupling::DataArrayByte::New());
215 ret->useArray(reinterpret_cast<char *>(memfile.app_image_ptr),true,C_DEALLOC,memfile.app_image_size,1);
219 std::string MEDCoupling::MEDFileWritableStandAlone::GenerateUniqueDftFileNameInMem()
222 std::ostringstream oss; oss << DFT_FILENAME_IN_MEM << "_" << ii++;