1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, 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.
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
22 // SALOME HDFPersist : implementation of HDF persitent ( save/ restore )
23 // File : HDFconvert.cc
26 #include "HDFconvert.hxx"
34 int HDFConvert::FromAscii(const string& file, const HDFcontainerObject & hdf_container, const string& nomdataset)
37 HDFdataset * hdf_dataset;
44 // Ouverture du fichier source
45 if ( (fd = open(file.c_str(),O_RDONLY)) <0) {
46 perror("HDFConvert::FromAscii");
50 // Lit l'
\89tat du fichier
51 if ( fstat(fd,&status) < 0) {
52 perror("HDFConvert::FromAscii");
56 length = status.st_size; //Calcul la taille du fichier en octets
59 #ifdef _POSIX_MAPPED_FILES
61 // Map le fichier en m
\89moire
62 if ( (buffer = (char *) mmap(0,length,PROT_READ,MAP_SHARED,fd,0)) == MAP_FAILED ) {
63 perror("HDFConvert::FromAscii");
68 #define SHMEMSIZE 4096
70 HANDLE hMapObject = CreateFileMapping(
71 INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, SHMEMSIZE, "");
72 if (hMapObject != NULL) {
73 // Get a pointer to the file-mapped shared memory.
74 buffer = ( char* ) MapViewOfFile(
75 hMapObject, FILE_MAP_WRITE, 0, 0, 0 );
77 CloseHandle(hMapObject);
82 // Sort de la compilation
83 #error Necessite l''utilisation de la primitive mmap
87 // Creation du Dataset utilisateur
88 hdf_dataset = new HDFdataset( (char *) nomdataset.c_str(), /*discard const */
89 (HDFcontainerObject*) &hdf_container, /*discard const, pas de constructeur par r
\89f
\89rence */
92 // Cree le Dataset sur le disk
93 hdf_dataset->CreateOnDisk();
96 hdf_dataset->WriteOnDisk(buffer);
98 // Ferme le fichier hdf
99 hdf_dataset->CloseOnDisk();
104 #ifdef _POSIX_MAPPED_FILES
106 // Desalloue le mapping
107 if (munmap(buffer,length) < 0 ) {
108 perror("HDFConvert::FromAscii");
113 // Ferme le fichier ASCII
115 perror("HDFConvert::FromAscii");