Format_Post_Lata.h

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#ifndef Format_Post_Lata_included
#define Format_Post_Lata_included
 
#include <TRUSTTabs_forward.h>
#include <Format_Post_base.h>
 
class Fichier_Lata;
class SFichier;
 
/*! @brief : Classe de postraitement des champs euleriens au format lata
 *
 */
 
//Pour creer un fichier valide, il faut faire:
//    (initialisation) initialize("base_nom_fichier", ASCII, SINGLE_FILE);
//                       ecrire_entete(temps_courant,reprise,est_le_premier_post)
//                     ecrire_domaine(domaine,est_le_premier_post)
 
//    (pour chaque dt) ecrire_temps(temps_courant)
//                     ecrire_champ(const Domaine& domaine, const Noms& unite_, const Noms& noms_compo,
//                                      int ncomp,double temps_,double temps_courant
//                                      const Nom  & id_du_champ,
//                                    const Nom  & id_du_domaine,
//                                    const Nom  & localisation,
//                                    const DoubleTab & data)
//                    [...                            ]
 
//  Si option_para = MULTIPLE_FILES :
//   on ecrit un fichier de postraitement par processeur
//  Sinon :
//   on ecrit un fichier unique qui contient l'ensemble des donnees.
//   Les methodes doivent alors etre appelees simultanement sur tous
//   les processeurs.
//  Les specifications du format LATA sont decrites dans le fichier
//   Specifications_lata_v2.pdf
 
class Format_Post_Lata : public Format_Post_base
{
  Declare_instanciable_sans_constructeur(Format_Post_Lata);
public:
  //
  // Methodes declarees dans la classe de base (interface commune a tous
  // les formats de postraitment de champs):
  //
  void set_param(Param& param) const override;
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
 
  void reset() override;
  void resetTime(double t, const std::string dirname) override;
 
  int completer_post(const Domaine& dom, const int axi, const Nature_du_champ& nature, const int nb_compo, const Noms& noms_compo, const Motcle& loc_post,
                     const Nom& le_nom_champ_post) override;
  int preparer_post(const Nom& id_du_domaine, const int est_le_premier_post, const int reprise, const double t_init) override;
 
  int initialize_by_default(const Nom& file_basename) override;
  int initialize(const Nom& file_basename, const int format, const Nom& option_para) override;
 
  int modify_file_basename(const Nom file_basename, bool for_restart, const double tinit) override;
 
  int ecrire_entete(const double temps_courant, const int reprise, const int est_le_premier_post) override;
  int ecrire_domaine(const Domaine& domaine, const int est_le_premier_post) override;
  int ecrire_temps(const double temps) override;
  int ecrire_champ(const Domaine& domaine, const Noms& unite_, const Noms& noms_compo, int ncomp, double temps_, const Nom& id_du_champ, const Nom& id_du_domaine,
                   const Nom& localisation, const Nom& nature, const DoubleTab& data) override;
  int ecrire_item_int(const Nom& id_item, const Nom& id_du_domaine, const Nom& id_domaine, const Nom& localisation, const Nom& reference,
                      const IntVect& data, const int reference_size) override;
 
  int finir(const int est_le_dernier_post) override;
 
  //
  // Other methods
  //
  virtual int reconstruct(const Nom file_basename, const Nom, const double tinit);
  virtual int finir_sans_reprise(const Nom file_basename);
 
  void ecrire_domaine_low_level(const Nom& id_dom, const DoubleTab& sommets, const IntTab& elements, const Motcle& type_elem);
 
  // When writing joints, we need to write trustIdType (=big) values - only for LATA (?):
  int ecrire_item_tid(const Nom& id_item, const Nom& id_du_domaine, const Nom& id_domaine, const Nom& localisation,
                      const Nom& reference, const TIDVect& data, const int reference_size);
 
  //
  // Methodes specifiques a ce format:
  //
  enum Format { ASCII, BINAIRE };
  enum Options_Para { SINGLE_FILE, SINGLE_FILE_MPIIO, MULTIPLE_FILES };
  enum Status { RESET, INITIALIZED, WRITING_TIME };
 
  Format_Post_Lata();
  virtual int initialize_lata(const Nom& file_basename, const Format format = ASCII, const Options_Para options_para = SINGLE_FILE);
 
  static int ecrire_entete_lata(const Nom& base_name, const Options_Para& option, const Format& format, const int est_le_premier_post);
  static int ecrire_temps_lata(const double temps, double& temps_format, const Nom& base_name, Status& stat, const Options_Para& option);
 
  void set_single_lata_option(const bool sing_lata) override { un_seul_fichier_lata_ = sing_lata; }
 
  static const char * extension_lata();
  static const char * remove_path(const char * filename);
 
protected:
  static trustIdType write_doubletab(Fichier_Lata& fichier, const DoubleTab& tab, int& nb_colonnes, const Options_Para& option);
  static trustIdType write_inttab(Fichier_Lata& fichier, bool decal_fort, trustIdType decalage_partiel, const IntTab& tab, int& nb_colonnes, const Options_Para& option);
 
  Nom lata_basename_;
  Format format_;
  Options_Para options_para_;
  Status status;
 
  bool restart_already_moved_;  // Whether the postprocess file was already renamed/move after a restart
 
  double temps_courant_;  // The time being written
  double tinit_;
  bool un_seul_fichier_lata_ = false;
  long int offset_elem_ = -1, offset_som_ = -1; // offset used if single_lata
 
private:
  template<typename TYP>
  int ecrire_item_integral_T(const Nom& id_item, const Nom& id_du_domaine, const Nom& id_domaine, const Nom& localisation,
                             const Nom& reference, const TRUSTVect<TYP, int>& val, const int reference_size);
  void ecrire_offset(SFichier& sfichier, long int offset);
};
 
#endif /* Format_Post_Lata_included */