source: trunk/etc/src/ylmodf.c

/*
Copyright or © or Copr. MMSA team, LOCEAN Paris (2011)

This software is a framework for variational data assimilation in
numerical models.

This software is governed by the CeCILL license under French law and
abiding by the rules of distribution of free software.  You can  use,
modify and/ or redistribute the software under the terms of the CeCILL
license as circulated by CEA, CNRS and INRIA at the following URL
"http://www.cecill.info".

As a counterpart to the access to the source code and  rights to copy,
modify and redistribute granted by the license, users are provided only
with a limited warranty  and the software's author,  the holder of the
economic rights,  and the successive licensors  have only  limited
liability.

In this respect, the user's attention is drawn to the risks associated
with loading,  using,  modifying and/or developing or reproducing the
software by the user in light of its specific status of free software,
that may mean  that it is complicated to manipulate,  and  that  also
therefore means  that it is reserved for developers  and  experienced
professionals having in-depth computer knowledge. Users are therefore
encouraged to load and test the software's suitability as regards their
requirements in conditions enabling the security of their systems and/or
data to be ensured and,  more generally, to use and operate it in the
same conditions as regards security.

The fact that you are presently reading this means that you have had
knowledge of the CeCILL license and that you accept its terms.

YAO website : http://www.locean-ipsl.upmc.fr/~yao/
Contact : yao@locean-ipsl.upmc.fr
*/
// Contributor : Charles Sorror

//gcc ylmodf.c -Wall -o ylmodf

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define BUFSIZE       2048
#define LG_MAX_NAME     24
#define LG_STR80        80

FILE    *fpin, *fpout;
char    buffer[BUFSIZE+1];
int     nbenrlus;
int     nbitem;
char    modname[LG_MAX_NAME+1];
int     nbi, nbo, mode, prodlev;
int     wi;
char    cdesys[LG_STR80+1];

//==========================================================
int main(int argc, char *argv[])
{   //syntaxe: ylmodf filein fileout [mode]
    //         mode determine le mode d'ecriture du fichier filout :
                //   avec mode = 1, >> dans filout
                //        mode = 0, raz de filout
                //   mais attention, ce mode est positionne selon en priorite :
                //        - le 2eme caratere du 1er enregistrement de filin a condition
                //          qu'il commence par un diese et qu'il valle 0 ou 1
                //        - le mode passe en parametre qui doit valoir 0 ou 1,
                //        - et par defaut, mode = 1
  printf("\n");

        /* debut : verif arg, ouverture fichier ... */
        if (argc<3 || argc>4)
        {        printf (" > ylmodf: syntaxe error: ylmodf file_in file_out [mode]\n");
                 exit(-9);
        }
        if ((fpin = fopen(argv[1], "r")) <= 0)
        {        printf (" > ylmodf: problem when opening %s \n", argv[1]);
                 exit(-9);
        }
        if (argc==3) mode = 1;
        if (argc==4) mode = atoi(argv[3]);
        if (mode!=0 && mode!=1)
        {  printf(" > ylmodf: error on mode value (%i), must 0 to RAZ or 1 to CONCAT\n", mode);
        }
        /*--------------------------
        if (mode==0)
        {  if ((fpout = fopen(argv[2], "w")) <= 0)
           {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                    exit(-9);
           }
        }
        else //=>mode==1
        {  if ((fpout = fopen(argv[2], "r")) <= 0)
           {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                    exit(-9);
           }
  }
  fclose(fpout); //on n'a plus besoin ici de file out
        */

  //-------------------------------------------------------------------
  nbenrlus=0;
        while (  (fgets(buffer, BUFSIZE+1, fpin)) != NULL)
  {   ++nbenrlus;

            nbitem=sscanf(buffer, "%s %i %i %i", modname, &nbi, &nbo, &prodlev);
                        //printf(" %i> %s %i %i [%i] \n", nbitem, modname, nbi, nbo, prodlev);

            if (nbenrlus==1)
                        {  //si dans l'entete (i.e 1er enreg) du fichier on trouve que le
                           //   1er caractere du 1er token est un '#' (indication de commentaire),
                                 //   et que le 2eme token correspond a O ou 1, alors c'est
                                 //   ca qui prime pour determiner le mode 'w' ou 'r'
         if (nbitem >=2 && modname[0]=='#' && (nbi==0 || nbi==1))
                                 {      mode=nbi;
                //--------------------------
                                                                if (mode==0)
                                                                {  if ((fpout = fopen(argv[2], "w")) <= 0)
                                                                         {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                                                                                        exit(-9);
                                                                         }
                                                                }
                                                                else //=>mode==1
                                                                {  if ((fpout = fopen(argv[2], "r")) <= 0)
                                                                         {  if ((fpout = fopen(argv[2], "w")) <= 0)
                                                                            {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                                                                                           exit(-9);
                                                                                        }
                                                                         }
                                                                }
                                                                fclose(fpout); //on n'a plus besoin ici de file out
                                                                //--------------------------
                                                    continue;
                                 }
                                 else //alors seulement le mode passed en parametre ou par defaut est utilise
                                 {      //--------------------------
                                                if (mode==0)
                                                {  if ((fpout = fopen(argv[2], "w")) <= 0)
                                                         {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                                                                        exit(-9);
                                                         }
                                                }
                                                else //=>mode==1
                                                {  if ((fpout = fopen(argv[2], "r")) <= 0)
                                                   {  if ((fpout = fopen(argv[2], "w")) <= 0)
                                                            {  printf (" > ylmodf: problem when opening %s \n", argv[2]);
                                                                           exit(-9);
                                                            }
                                                         }
                                                }
                                                fclose(fpout); //on n'a plus besoin ici de file out
                                        }
                        }

                        if (nbitem<=0) continue; //ligne vide
            if (modname[0]=='#') continue; //commentaire

                        //dans un enregistrement, on doit au moins trouver modname nbi nbo
                        if (nbitem<3)
                        {  printf(" < %s", buffer);
                           printf(" > ylmodf: uncomplete ligne; skeep to the next\n");
                           continue;
                        }

                        //on verifie que le module existe bien
            if ((fpout = fopen(modname, "r")) <= 0) //on essaye avec le nom tel quel
            {  //sinon on essaye en rajoutant .h
                           strcat(modname, ".h");
                                 if ((fpout = fopen(modname, "r")) <= 0)
                           {  printf (" > ylmodf: problem when opening %s \n", modname);
                        printf ("   skeep to next module\n\n");
                        continue;
                                 }
            }
                        fclose(fpout); //c'etait juste pour verifier

      //on cree la commande d'appel a la procedure de derivation automatique
                        //pour le module: YdfA fileout modname nbi nbo prodlev
                        sprintf(cdesys, "YdfA %s %s %i %i %i\n", argv[2], modname, nbi, nbo, prodlev);
                        system (cdesys);
  }

        fclose(fpin);
        printf("\n");
        return(0);
}
//=========================================================