han_results_print.cxx

Go to the documentation of this file.

/*
   Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 */
 
#include <cstdlib>
#include <filesystem>
#include <iostream>
#include <string>
 
#include "CxxUtils/checker_macros.h"
#include "DataQualityUtils/HanOutputFile.h"
 
namespace
{
  int usage(const std::string& command_name, int exit_code);
 
  class CmdLineArgs
  {
  public:
    int parse(int argc, char* argv[]);
 
    std::string command;
    std::string hresults;
  };
}  // unnamed namespace
 
int main ATLAS_NOT_THREAD_SAFE(int argc, char* argv[]) {
  CmdLineArgs arg;
  int rc = arg.parse(argc, argv);
 
  if (rc != 0) return rc;
 
  std::string resultsName(arg.hresults);
 
  if (!std::filesystem::exists(resultsName)) {
    std::cerr << "File " << resultsName << " does not seem to exist. Exiting" << std::endl;
    return 1;
  }
 
  dqutils::HanOutputFile of(resultsName);
 
  of.printAllDQAssessments();
  return 0;
}
 
// ************************************************************
// Private Functions
// ************************************************************
 
namespace
{
  int usage(const std::string& command_name, int exit_code) {
    std::string message;
    message += "\n";
    message += "This program takes as an argument the name of a \'han\' results\n";
    message += "file and prints the statuses of all assessments to stdout.\n";
 
    std::string::size_type s = command_name.size();
    std::string::size_type p = command_name.rfind('/', s);
    std::string short_name = command_name.substr(p + 1, s);
 
    std::cout << "\n";
    std::cout << "Usage: " << short_name << " <results_file>\n";
    std::cout << message << "\n";
    return exit_code;
  }
 
  int CmdLineArgs::parse(int argc, char* argv[]) {
    command = argv[0];
    if (argc > 2) return usage(command, 1);
 
    if (argc < 2) return usage(command, 0);
 
    hresults = argv[1];
    return 0;
  }
}  // unnamed namespace