System.cpp

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#include <System.h>
#include <Nom.h>
 
Implemente_instanciable(System,"System",Interprete);
// XD system interprete system INHERITS_BRACE To run Unix commands from the data file. Example: System \'echo The End |
// XD_CONT mail trust@cea.fr\'
// XD attr cmd chaine cmd REQ command to execute.
 
 
Sortie& System::printOn(Sortie& s ) const
{
  return s << que_suis_je() << finl;
}
 
Entree& System::readOn(Entree& is )
{
  return is;
}
 
Entree& System::interpreter(Entree& is)
{
  Nom instruction,suite;
  is >> instruction;
  if (instruction[0]!='"')
    {
      Cerr<<"In System, instruction should begin by \""<<finl;
      Cerr<<"instruction beginning "<<instruction;
      exit();
    }
  instruction.suffix("\"");
  while(instruction[instruction.longueur()-2]!='"')
    {
      is >> suite;
      assert(is.good());
      instruction+=" ";
      instruction+=suite;
    }
  instruction.prefix("\"");
 
 
  if (je_suis_maitre())
    {
      Cerr<<"Shell command executed: " << instruction<<finl;
      int error = system(instruction);
      if (error)
        {
          Cerr << "The shell command returns an error: " << error << finl;
          Cerr << "Check your data file." << finl;
          exit();
        }
    }
  barrier();
  return is;
}