MEDnChamp.c

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00001 /*  This file is part of MED.
00002  *
00003  *  COPYRIGHT (C) 1999 - 2015  EDF R&D, CEA/DEN
00004  *  MED is free software: you can redistribute it and/or modify
00005  *  it under the terms of the GNU Lesser General Public License as published by
00006  *  the Free Software Foundation, either version 3 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  MED is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU Lesser General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Lesser General Public License
00015  *  along with MED.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 
00018 
00019 #include <med.h>
00020 #include <med_config.h>
00021 #include <string.h>
00022 #include <stdlib.h>
00023 #include <med_outils.h>
00024 
00025 med_int 
00026 MEDnChamp(med_idt fid, int indice)
00027 {
00028   int n1;
00029   med_int n2;
00030   med_idt datagroup;
00031   med_err ret;
00032   char nomdatagroup[MED_TAILLE_NOM+1];
00033   int num;
00034   char chemin[MED_TAILLE_CHA+MED_TAILLE_NOM+1];
00035 
00036   if (indice < 0)
00037     return -1;
00038 
00039   /*
00040    * On inhibe le gestionnaire d'erreur HDF 
00041    */
00042   _MEDmodeErreurVerrouiller();
00043 if (MEDcheckVersion(fid) < 0) return -1;
00044 
00045   
00046   /* 
00047    * Si le Data Group cha n'existe pas et indice == 0 => 0
00048    * sinon erreur => erreur
00049    */
00050   strcpy(chemin,MED_CHA);
00051 
00052   /*
00053    * Si indice == 0 => nombre de champs
00054    */
00055   if (indice == 0)
00056     {
00057       n1 = 0;
00058       _MEDnObjets(fid,chemin,&n1);
00059       n2 = n1;
00060     }
00061 
00062   /*
00063    * Si indice > 0 => nbre de composants
00064    */
00065   if (indice > 0)
00066     {
00067       /*
00068        * On recupere le nom du champ 
00069        */
00070       num = indice-1;
00071       if ((ret = _MEDobjetIdentifier(fid,chemin,num,nomdatagroup)) < 0)
00072         return -1;
00073       strcat(chemin,nomdatagroup);
00074       /*
00075        * On recupere le nombre de composants
00076        */
00077       if ((datagroup = _MEDdatagroupOuvrir(fid,chemin)) < 0) 
00078         return -1;
00079       if ((ret = _MEDattrEntierLire(datagroup,MED_NOM_NCO,&n2)) < 0)
00080         return -1;
00081       if ((ret = _MEDdatagroupFermer(datagroup)) < 0)
00082         return -1;
00083     }
00084 
00085   return n2;
00086 }
00087 

Généré le Thu Oct 8 14:26:16 2015 pour MED fichier par  doxygen 1.6.1