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.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : HDFconvert.cc
27 #include "HDFconvert.hxx"
35 int HDFConvert::FromAscii(const string& file, const HDFcontainerObject & hdf_container, const string& nomdataset)
38 HDFdataset * hdf_dataset;
45 // Ouverture du fichier source
46 if ( (fd = open(file.c_str(),O_RDONLY)) <0) {
47 perror("HDFConvert::FromAscii");
51 // Lit l'
\89tat du fichier
52 if ( fstat(fd,&status) < 0) {
53 perror("HDFConvert::FromAscii");
57 length = status.st_size; //Calcul la taille du fichier en octets
60 #ifdef _POSIX_MAPPED_FILES
62 // Map le fichier en m
\89moire
63 if ( (buffer = (char *) mmap(0,length,PROT_READ,MAP_SHARED,fd,0)) == MAP_FAILED ) {
64 perror("HDFConvert::FromAscii");
69 #define SHMEMSIZE 4096
71 HANDLE hMapObject = CreateFileMapping(
72 INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, SHMEMSIZE, "");
73 if (hMapObject != NULL) {
74 // Get a pointer to the file-mapped shared memory.
75 buffer = ( char* ) MapViewOfFile(
76 hMapObject, FILE_MAP_WRITE, 0, 0, 0 );
78 CloseHandle(hMapObject);
83 // Sort de la compilation
84 #error Necessite l''utilisation de la primitive mmap
88 // Creation du Dataset utilisateur
89 hdf_dataset = new HDFdataset( (char *) nomdataset.c_str(), /*discard const */
90 (HDFcontainerObject*) &hdf_container, /*discard const, pas de constructeur par r
\89f
\89rence */
93 // Cree le Dataset sur le disk
94 hdf_dataset->CreateOnDisk();
97 hdf_dataset->WriteOnDisk(buffer);
99 // Ferme le fichier hdf
100 hdf_dataset->CloseOnDisk();
105 #ifdef _POSIX_MAPPED_FILES
107 // Desalloue le mapping
108 if (munmap(buffer,length) < 0 ) {
109 perror("HDFConvert::FromAscii");
114 // Ferme le fichier ASCII
116 perror("HDFConvert::FromAscii");