1 // Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include "LightApp_HDFDriver.h"
28 #include <TCollection_AsciiString.hxx>
31 LightApp_HDFDriver::LightApp_HDFDriver()
36 LightApp_HDFDriver::~LightApp_HDFDriver()
41 Saves in file 'theFileName' datas from this driver
43 bool LightApp_HDFDriver::SaveDatasInFile( const char* theFileName, bool isMultiFile )
48 HDFfile *hdf_file = 0;
49 HDFgroup *hdf_group_datacomponent = 0;
50 HDFgroup *hdf_group_study_structure = 0;
51 HDFgroup *hdf_sco_group = 0;
52 HDFgroup *hdf_sco_group2 = 0;
53 HDFdataset *hdf_dataset = 0;
57 hdf_file = new HDFfile ((char*)theFileName);
58 hdf_file->CreateOnDisk();
60 //-----------------------------------------------------------------------
61 // 1 - Create a groupe for each SComponent and Update the PersistanceRef
62 //-----------------------------------------------------------------------
63 hdf_group_datacomponent = new HDFgroup ("DATACOMPONENT", hdf_file);
64 hdf_group_datacomponent->CreateOnDisk();
66 std::map<std::string, std::string> mapNameEntry;
69 std::map<std::string, ListOfFiles>::const_iterator it;
70 for (it = myMap.begin(); it != myMap.end(); ++it, ++tag) {
71 std::string aName (it->first);
72 char* aModuleName = const_cast<char*>(aName.c_str());
73 unsigned char* aBuffer;
75 PutFilesToStream(aName, aBuffer, aBufferSize, isMultiFile);
77 //Handle(SALOMEDSImpl_SComponent) sco = itcomponent.Value();
78 //TCollection_AsciiString scoid = sco->GetID();
79 //hdf_sco_group = new HDFgroup(scoid.ToCString(), hdf_group_datacomponent);
81 TCollection_AsciiString entry ("0:1:");
82 entry += TCollection_AsciiString(tag);
83 mapNameEntry[aModuleName] = entry.ToCString();
85 //hdf_sco_group = new HDFgroup (aModuleName, hdf_group_datacomponent);
86 hdf_sco_group = new HDFgroup (entry.ToCString(), hdf_group_datacomponent);
87 hdf_sco_group->CreateOnDisk();
89 aHDFSize[0] = aBufferSize;
91 hdf_dataset = new HDFdataset ("FILE_STREAM", hdf_sco_group, HDF_STRING, aHDFSize, 1);
92 hdf_dataset->CreateOnDisk();
93 hdf_dataset->WriteOnDisk(aBuffer); //Save the stream in the HDF file
94 hdf_dataset->CloseOnDisk();
95 hdf_dataset = 0; //will be deleted by hdf_sco_group destructor
97 // store multifile state
99 hdf_dataset = new HDFdataset("MULTIFILE_STATE", hdf_sco_group, HDF_STRING, aHDFSize, 1);
100 hdf_dataset->CreateOnDisk();
101 hdf_dataset->WriteOnDisk((void*)(isMultiFile ? "M" : "S")); // save: multi or single
102 hdf_dataset->CloseOnDisk();
103 hdf_dataset = 0; //will be deleted by hdf_sco_group destructor
107 hdf_dataset = new HDFdataset("ASCII_STATE", hdf_sco_group, HDF_STRING, aHDFSize, 1);
108 hdf_dataset->CreateOnDisk();
109 hdf_dataset->WriteOnDisk((void*)(isASCII ? "A" : "B")); // save: ASCII or BINARY
110 hdf_dataset->CloseOnDisk();
111 hdf_dataset = 0; //will be deleted by hdf_sco_group destructor
113 hdf_sco_group->CloseOnDisk();
114 hdf_sco_group = 0; // will be deleted by hdf_group_datacomponent destructor
119 hdf_group_datacomponent->CloseOnDisk();
120 hdf_group_datacomponent = 0; // will be deleted by hdf_file destructor
122 //-----------------------------------------------------------------------
123 // 3 - Write the Study Structure
124 //-----------------------------------------------------------------------
125 hdf_group_study_structure = new HDFgroup ("STUDY_STRUCTURE", hdf_file);
126 hdf_group_study_structure->CreateOnDisk();
128 for (it = myMap.begin(); it != myMap.end(); ++it) {
129 std::string aName (it->first);
130 char* aModuleName = const_cast<char*>(aName.c_str());
132 //hdf_sco_group2 = new HDFgroup(scid.ToCString(), hdf_group_study_structure);
133 char* entry = (char*)(mapNameEntry[aModuleName].c_str());
134 hdf_sco_group2 = new HDFgroup (entry, hdf_group_study_structure);
135 hdf_sco_group2->CreateOnDisk();
137 // ComponentDataType treatment
138 hdf_int32 name_len = (hdf_int32)strlen(aModuleName);
139 aHDFSize[0] = name_len + 1;
140 hdf_dataset = new HDFdataset ("COMPONENTDATATYPE", hdf_sco_group2, HDF_STRING, aHDFSize, 1);
141 hdf_dataset->CreateOnDisk();
142 hdf_dataset->WriteOnDisk(aModuleName);
143 hdf_dataset->CloseOnDisk();
144 hdf_dataset = 0; //will be deleted by hdf_sco_group2 destructor
146 hdf_sco_group2->CloseOnDisk();
147 hdf_sco_group2 = 0; // will be deleted by hdf_group_study_structure destructor
150 hdf_group_study_structure->CloseOnDisk();
151 hdf_group_study_structure = 0; // will be deleted by hdf_file destructor
153 hdf_file->CloseOnDisk();
154 delete hdf_file; // recursively deletes all hdf objects...
156 } catch (HDFexception) {
159 if (isASCII && !isError) { // save file in ASCII format
160 HDFascii::ConvertFromHDFToASCII(theFileName, true);
167 Filling current driver from file 'theFileName'
169 bool LightApp_HDFDriver::ReadDatasFromFile( const char* theFileName, bool isMultiFile )
171 bool isASCII = false;
172 bool isError = false;
173 TCollection_AsciiString aHDFUrl;
175 HDFfile *hdf_file = 0;
176 HDFgroup *hdf_group_datacomponent = 0;
177 HDFgroup *hdf_group_study_structure = 0;
178 HDFgroup *hdf_sco_group = 0;
179 HDFgroup *hdf_sco_group2 = 0;
181 std::map<std::string, std::string> mapEntryName;
183 if (HDFascii::isASCII(theFileName)) {
185 char* aResultPath = HDFascii::ConvertFromASCIIToHDF(theFileName);
186 aHDFUrl = aResultPath;
187 aHDFUrl += "hdf_from_ascii.hdf";
190 aHDFUrl = (char*)theFileName;
193 hdf_file = new HDFfile((char*)aHDFUrl.ToCString());
195 char aMultifileState[2];
196 char ASCIIfileState[2];
199 hdf_file->OpenOnDisk(HDF_RDONLY);
201 } catch (HDFexception) {
202 //char *eStr = new char[strlen(aUrl.ToCString()) + 17];
203 //sprintf(eStr,"Can't open file %s", aUrl.ToCString());
204 //_errorCode = TCollection_AsciiString(eStr);
210 if (!hdf_file->ExistInternalObject("STUDY_STRUCTURE")) {
211 //_errorCode = "Study is empty";
214 hdf_group_study_structure = new HDFgroup ("STUDY_STRUCTURE", hdf_file);
215 hdf_group_study_structure->OpenOnDisk();
217 char name[HDF_NAME_MAX_LEN + 1];
218 Standard_Integer nbsons = hdf_group_study_structure->nInternalObjects();
219 for (Standard_Integer i = 0; i < nbsons; i++) {
220 hdf_group_study_structure->InternalObjectIndentify(i, name);
221 if (strncmp(name, "INTERNAL_COMPLEX", 16) == 0) continue;
222 hdf_object_type type = hdf_group_study_structure->InternalObjectType(name);
223 if (type == HDF_GROUP) {
224 hdf_sco_group2 = new HDFgroup (name, hdf_group_study_structure);
225 hdf_sco_group2->OpenOnDisk();
227 // Read component data
228 char* aCompDataType = NULL;
231 if (hdf_sco_group2->ExistInternalObject("COMPONENTDATATYPE")) {
232 HDFdataset *hdf_dataset = new HDFdataset("COMPONENTDATATYPE", hdf_sco_group2);
233 hdf_dataset->OpenOnDisk();
234 aDataSize = hdf_dataset->GetSize();
235 aCompDataType = new char[aDataSize];
236 if (aCompDataType == NULL) {
239 hdf_dataset->ReadFromDisk(aCompDataType);
241 mapEntryName[name] = aCompDataType;
243 delete [] aCompDataType;
246 hdf_dataset->CloseOnDisk();
250 hdf_sco_group2->CloseOnDisk();
254 hdf_group_study_structure->CloseOnDisk();
257 if (!hdf_file->ExistInternalObject("DATACOMPONENT")) {
258 //_errorCode = "No components stored";
261 hdf_group_datacomponent = new HDFgroup ("DATACOMPONENT", hdf_file);
262 hdf_group_datacomponent->OpenOnDisk();
264 char name[HDF_NAME_MAX_LEN + 1];
265 Standard_Integer nbsons = hdf_group_datacomponent->nInternalObjects();
266 for (Standard_Integer i = 0; i < nbsons; i++) {
267 hdf_group_datacomponent->InternalObjectIndentify(i, name);
268 if (strncmp(name, "INTERNAL_COMPLEX", 16) == 0) continue;
269 hdf_object_type type = hdf_group_datacomponent->InternalObjectType(name);
270 if (type == HDF_GROUP) {
271 hdf_sco_group = new HDFgroup (name, hdf_group_datacomponent);
272 hdf_sco_group->OpenOnDisk();
274 // Read component data
275 unsigned char* aStreamFile = NULL;
278 if (hdf_sco_group->ExistInternalObject("FILE_STREAM")) {
279 HDFdataset *hdf_dataset = new HDFdataset("FILE_STREAM", hdf_sco_group);
280 hdf_dataset->OpenOnDisk();
281 aStreamSize = hdf_dataset->GetSize();
282 aStreamFile = new unsigned char[aStreamSize];
283 if (aStreamFile == NULL) {
286 hdf_dataset->ReadFromDisk(aStreamFile);
289 hdf_dataset->CloseOnDisk();
293 HDFdataset *multifile_hdf_dataset = new HDFdataset("MULTIFILE_STATE", hdf_sco_group);
294 multifile_hdf_dataset->OpenOnDisk();
295 multifile_hdf_dataset->ReadFromDisk(aMultifileState);
296 multifile_hdf_dataset->CloseOnDisk();
297 multifile_hdf_dataset = 0;
299 HDFdataset *ascii_hdf_dataset = new HDFdataset("ASCII_STATE", hdf_sco_group);
300 ascii_hdf_dataset->OpenOnDisk();
301 ascii_hdf_dataset->ReadFromDisk(ASCIIfileState);
302 ascii_hdf_dataset->CloseOnDisk();
303 ascii_hdf_dataset = 0;
305 isASCII = (ASCIIfileState[0] == 'A') ? true : false;
307 if (aStreamFile != NULL) {
308 // Put buffer to aListOfFiles and set to myMap
309 ListOfFiles aListOfFiles = PutStreamToFiles(aStreamFile, aStreamSize, isMultiFile);
310 char* aCompDataType = (char*)(mapEntryName[name].c_str());
311 SetListOfFiles(aCompDataType, aListOfFiles);
313 delete [] aStreamFile;
316 hdf_sco_group->CloseOnDisk();
320 hdf_group_datacomponent->CloseOnDisk();
322 } catch (HDFexception) {
325 //Handle(TColStd_HSequenceOfAsciiString) aFilesToRemove = new TColStd_HSequenceOfAsciiString;
326 //aFilesToRemove->Append(aHDFUrl);
327 //RemoveFiles(aFilesToRemove, true);
330 hdf_file->CloseOnDisk();
331 delete hdf_file; // all related hdf objects will be deleted
333 if (isASCII && !isError) {
334 //Handle(TColStd_HSequenceOfAsciiString) aFilesToRemove = new TColStd_HSequenceOfAsciiString;
335 //aFilesToRemove->Append(aHDFUrl);
336 //RemoveFiles(aFilesToRemove, true);
339 //std::map<std::string, std::string>::const_iterator it;
340 //for (it = mapEntryName.begin(); it != mapEntryName.end(); ++it) {
341 // cout << "Read Component: entry = " << it->first
342 // << ", Component data type = " << it->second << endl;