1 // SALOME HDFPersist : implementation of HDF persitent ( save/ restore )
3 // Copyright (C) 2003 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.
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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
34 #include "HDFfile.hxx"
35 #include "HDFexception.hxx"
38 herr_t file_attr(hid_t loc_id, const char *attr_name, void *operator_data)
40 *(char**)operator_data = new char[strlen(attr_name)+1];
41 strcpy(*(char**)operator_data, attr_name);
45 HDFfile::HDFfile(char *name)
46 : HDFcontainerObject(name)
51 void HDFfile::CreateOnDisk()
53 if ((_id = HDFfileCreate(_name)) < 0)
54 throw HDFexception("Can't create HDF file");
57 void HDFfile::OpenOnDisk(hdf_access_mode access_mode)
59 _access_mode = access_mode;
64 if (access(_name,F_OK))
66 if ((_id = HDFfileCreate(_name)) < 0)
67 throw HDFexception("Can't open HDF file");
70 if ((_id = HDFfileOpen(_name,_access_mode)) < 0)
71 throw HDFexception("Can't open HDF file");
75 if ((_id = HDFfileOpen(_name,_access_mode)) < 0)
76 throw HDFexception("Can't open HDF file");
80 throw HDFexception("Can't open HDF file : bad acces option");
84 void HDFfile::CloseOnDisk()
88 if ((ret = HDFfileClose(_id)) < 0)
89 throw HDFexception("Can't close HDF file");
94 hdf_access_mode HDFfile::GetAccessMode()
99 hdf_object_type HDFfile::GetObjectType()
104 int HDFfile::nInternalObjects()
109 if ((ret = HDFnObjects(_id,"/",&n)) < 0)
110 throw HDFexception("Can't determine the number of internal objects");
115 void HDFfile::InternalObjectIndentify(int rank, char *object_name)
119 if ((ret = HDFobjectIdentify(_id,"/",rank,object_name)) < 0)
120 throw HDFexception("Can't identify an internal object");
123 int HDFfile::ExistInternalObject(char *object_name)
127 char name[HDF_NAME_MAX_LEN+1];
129 n = this->nInternalObjects();
132 this->InternalObjectIndentify(i,name);
133 if (!strcmp(name,object_name))
142 hdf_object_type HDFfile::InternalObjectType(char *object_name)
144 hdf_object_type type;
147 if ((ret = HDFobjectType(_id,object_name,&type)) < 0)
148 throw HDFexception("Can't determine internal object type");
153 int HDFfile::nAttributes()
155 int nbAttrs = H5Aget_num_attrs(_id);
156 if(nbAttrs <= 0) nbAttrs = 0;
160 char* HDFfile::GetAttributeName(unsigned idx)
162 int nbAttrs = nAttributes();
163 if(nbAttrs == 0) return NULL;
164 H5Aiterate(_id, &idx, file_attr, &_attribute);