Champ_lu_proto.cpp

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#include <Champ_lu_proto.h>
#include <EntreeSortie.h>
#include <sstream>
#include <fstream>
#include <vector>
 
inline int tokenize_string_if_double(const std::string line, std::vector<std::string>& result)
{
  std::istringstream iss(line);
  for (std::string s; iss >> s;)
    try
      {
        std::stod(s);
        result.push_back(s);
      }
    catch (std::exception&) { return 0; }
  return 1;
}
 
 
Nom Champ_lu_proto::put_file_into_nom(int nb_comp, const Nom& column_file) const
{
  // open column file
  std::ifstream infile(column_file);
  Nom liste_temps(""), liste_vals("");
 
  // read line by line
  int nb_val = 0;
  std::string line;
  for (int l = 1; std::getline(infile, line); l++)
    if (!(line.rfind("#", 0) == 0))
      {
        nb_val++;
        std::vector<std::string> result;
        if (!tokenize_string_if_double(line, result))
          {
            Cerr << "The file " << column_file << " contains non double values at line " << l << " !" << finl;
            Process::exit();
          }
        const int nb_col_lues = (int)result.size();
        if (nb_col_lues != (nb_comp + 1))
          {
            Cerr << "The file " << column_file << " should contain " << nb_comp + 1 << " columns but " << nb_col_lues << " have been detected on line " << l << finl;
            Process::exit();
          }
        liste_temps += Nom(" ") + result[0];
        for (int n = 0; n < nb_comp; n++)
          liste_vals += Nom(" ") + result[1 + n];
      }
 
  // send to the parent class readOn
  Nom chaine_tabulee(" { ");
  chaine_tabulee += Nom(nb_val) + liste_temps + liste_vals + Nom(" }");
  Cerr << "Creation from " << column_file << " of the field" << finl;
  Cerr << "Champ_front_Tabule " << chaine_tabulee << finl;
 
  return chaine_tabulee;
}