fhicl-dump.cc File Reference

#include "boost/program_options.hpp"
#include "cetlib_except/demangle.h"
#include "fhiclcpp/ParameterSet.h"
#include "fhiclcpp/detail/print_mode.h"
#include "fhiclcpp/intermediate_table.h"
#include "fhiclcpp/make_ParameterSet.h"
#include "fhiclcpp/parse.h"
#include <fstream>
#include <iostream>
#include <string>

Go to the source code of this file.

Functions
int	main (int argc, char *argv[])

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 54 of file fhicl-dump.cc.

References fhicl::detail::annotated, e, fhicl::make_ParameterSet(), fhicl::parse_document(), fhicl::detail::prefix_annotated, and fhicl::ParameterSet::to_indented_string().

{

  Options opts;
  try {
    opts = process_arguments(argc, argv);
  }
  catch (cet::exception const& e) {
    if (e.category() == help)
      return 1;
    if (e.category() == processing) {
      std::cerr << e.what() << '\n';
      return 2;
    }
    if (e.category() == config) {
      std::cerr << e.what() << '\n';
      return 3;
    }
  }

  auto const policy = get_policy(opts.lookup_policy, opts.lookup_path);

  ParameterSet pset;
  try {
    pset = form_pset(opts.input_filename, *policy);
  }
  catch (cet::exception const& e) {
    std::cerr << e.what() << '\n';
    return 4;
  }
  catch (...) {
    std::cerr << "Unknown exception\n";
    return 5;
  }

  if (opts.quiet)
    return 0;

  std::ofstream ofs{opts.output_filename};
  std::ostream& os = opts.output_filename.empty() ? std::cout : ofs;

  os << "# Produced from '" << argv[0] << "' using:\n"
     << "#   Input  : " << opts.input_filename << '\n'
     << "#   Policy : "
     << cet::demangle_symbol(typeid(decltype(*policy)).name()) << '\n'
     << "#   Path   : \"" << opts.lookup_path << "\"\n\n"
     << pset.to_indented_string(0, opts.mode);
}