Avanc.cpp

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#include <communications.h>
#include <Motcle.h>
#include <Avanc.h>
 
inline void erreur(const Nom& id)
{
  Cerr << finl;
  Cerr << "The restarting has failed. The tag " << id << " has not been" << finl;
  Cerr << "found in the restarting file. Check the restarting time in your data set." << finl;
  Process::exit();
}
 
inline void erreur_syn(const Nom& id,const Nom& syn_id)
{
  Cerr << finl;
  Cerr << "The restarting has failed. The tag " << id << " or its synonym"<< syn_id << " has not been" << finl;
  Cerr << "found in the restarting file. Check the restarting time in your data set." << finl;
  Process::exit();
}
 
extern void convert_to(const char *s, double& ob);
double extract_time_from_string(const Nom& ident_lu, const int digits)
{
  double temps;
  int length = ident_lu.longueur();
  convert_to(ident_lu.substr_old(length-digits,digits),temps);
  return temps;
}
 
// In the file fich, go up to the identifier id and return the time found
double avancer_fichier(Entree& fich, const Nom& id, const int read_header)
{
  // Possible evolution:
  // avancer_fichier(fich,id) -> fich.avancer_fichier(id);
  // Implementation of double Entree::seek(const Nom& id):
  // diffuse_ goes back down into LecFicDiffuseBase
  /* Overridden by:
   double LecFicDiffuse::seek(const Nom& id)
   {
      double time;
      diffuse_=0;
      if (Process::je_suis_maitre()) time = Entree::seek(id);
      diffuse_=1;
      envoyer_broadcast(temps, 0);
      return time;
   }
  */
  double temps=0;
  fich.set_diffuse(0); // Entree::set_diffuse() set to 1, only Lec_Diffuse_base::set_diffuse() can set to 0
  if (fich.get_diffuse() || Process::je_suis_maitre())
    {
      Cerr << "Looking for the tag " << id << " in the file." << finl;
      Nom ident_lu;
      Nom type_lu;
      int digits=12; // Number of digits to write the time
      fich >> ident_lu;
 
      if (read_header)
        {
          if (ident_lu!="format_sauvegarde:")
            {
              digits=8; // Old time format
            }
          else
            {
              // New format
              int format;
              fich >> format;
              fich >> ident_lu;
            }
        }
 
      fich >> type_lu;
      while (Motcle(ident_lu) != Motcle(id))
        {
          DerObjU un_objet;
          un_objet.typer(type_lu);
          Cerr << "-> Passing object " << ident_lu << " ... " << flush;
          un_objet.reprendre(fich);
          Cerr << "OK" << finl;
          temps = extract_time_from_string(ident_lu, digits);
          if (!fich.get_istream()) erreur(id);
          fich >> ident_lu;
          if (id!=(Nom)"fin" && ident_lu == (Nom)"fin") erreur(id);
          fich >> type_lu;
        }
      Cerr << "-> Find object " << id << " and reading data in it ..." << finl;
    }
  envoyer_broadcast(temps, 0);
  fich.set_diffuse(1);
  return temps;
}
 
// In the file fich, go up to the identifier id and return the time found, also check syno for backwards compatibility
double avancer_fichier_with_syno(Entree& fich, const Nom& id, const Nom& syn_id, const int read_header)
{
  // Possible evolution:
  // avancer_fichier(fich,id) -> fich.avancer_fichier(id);
  // Implementation of double Entree::seek(const Nom& id):
  // diffuse_ goes back down into LecFicDiffuseBase
  /* Overridden by:
   double LecFicDiffuse::seek(const Nom& id)
   {
      double time;
      diffuse_=0;
      if (Process::je_suis_maitre()) time = Entree::seek(id);
      diffuse_=1;
      envoyer_broadcast(temps, 0);
      return time;
   }
  */
  double temps=0;
  fich.set_diffuse(0); // Entree::set_diffuse() set to 1, only Lec_Diffuse_base::set_diffuse() can set to 0
  if (fich.get_diffuse() || Process::je_suis_maitre())
    {
      Cerr << "Looking for the tag " << id << "or its synonym "<< syn_id<< " in the file." << finl;
      Nom ident_lu;
      Nom type_lu;
      int digits=12; // Number of digits to write the time
      fich >> ident_lu;
 
      if (read_header)
        {
          if (ident_lu!="format_sauvegarde:")
            {
              digits=8; // Old time format
            }
          else
            {
              // New format
              int format;
              fich >> format;
              fich >> ident_lu;
            }
        }
 
      fich >> type_lu;
      while (Motcle(ident_lu) != Motcle(id) && Motcle(ident_lu) != Motcle(syn_id))
        {
          DerObjU un_objet;
          un_objet.typer(type_lu);
          Cerr << "-> Passing object " << ident_lu << " ... " << flush;
          un_objet.reprendre(fich);
          Cerr << "OK" << finl;
          temps = extract_time_from_string(ident_lu, digits);
          if (!fich.get_istream()) erreur_syn(id,syn_id);
          fich >> ident_lu;
          if (id!=(Nom)"fin" && ident_lu == (Nom)"fin") erreur_syn(id,syn_id);
          fich >> type_lu;
        }
      Cerr << "-> Find object " << id << " or its synonym "<< syn_id<<" and reading data in it ..." << finl;
    }
  envoyer_broadcast(temps, 0);
  fich.set_diffuse(1);
  return temps;
}
 
double get_last_time(Entree& fich)
{
  return avancer_fichier(fich, "fin", 1);
}