artapp.h File Reference

#include <string>

Go to the source code of this file.

Functions
int	artapp (int argc, char *argv[], bool report_unused=true)

Function Documentation

int artapp	(	int	argc,
		char *	argv[],
		bool	report_unused = true
	)

Definition at line 26 of file artapp.cc.

References art::run_art().

Referenced by art_ut(), and main().

{
  // Configuration file lookup policy.
  string search_path;
  if (char const* fhicl_env = std::getenv("FHICL_FILE_PATH")) {
    search_path = string{fhicl_env};
  } else {
    cerr << "Expected environment variable FHICL_FILE_PATH is missing or "
            "empty: using \".\"\n";
    search_path = ".";
  }
  cet::filepath_first_absolute_or_lookup_with_dot lookupPolicy{search_path};

  // Create and store options handlers.
  ostringstream descstr;
  descstr << "\nUsage: " << boost::filesystem::path(argv[0]).filename().native()
          << " <-c <config-file>> <other-options> [<source-file>]+\n\n"
          << "Basic options";
  bpo::options_description all_desc{descstr.str()};
  art::OptionsHandlers handlers;
  handlers.reserve(7);
  // BasicOptionsHandler should always be first in the list!
  handlers.emplace_back(
    new art::BasicOptionsHandler{all_desc, lookupPolicy, report_unused});
  // Additional options
  handlers.emplace_back(new art::BasicSourceOptionsHandler{all_desc});
  handlers.emplace_back(new art::BasicOutputOptionsHandler{all_desc});
  handlers.emplace_back(new art::ProcessingOptionsHandler{all_desc});
  handlers.emplace_back(new art::DebugOptionsHandler{all_desc});
  handlers.emplace_back(new art::FileCatalogOptionsHandler{all_desc});
  // BasicPostProcessor should be last.
  handlers.emplace_back(new art::BasicPostProcessor);
  return art::run_art(argc, argv, all_desc, std::move(handlers));
}