ModuleConfigInfo.cc

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#include "art/Framework/Core/detail/ModuleConfigInfo.h"

#include "canvas/Utilities/Exception.h"

#include <algorithm>
#include <string>

art::detail::ModuleConfigInfo::ModuleConfigInfo(
  fhicl::ParameterSet const& procPS,
  std::string const& label,
  std::string const& configPath)
  : label_(label)
  , configPath_(configPath)
  , moduleType_(calcConfigType_())
  , modPS_(procPS.get<fhicl::ParameterSet>(configPath_ + '.' + label_))
  , libSpec_(modPS_.get<std::string>("module_type"))
{}

std::vector<std::string> const&
art::detail::ModuleConfigInfo::allModulePathRoots()
{
  static const std::vector<std::string> s_allModulePathRoots = {
    "physics.analyzers", "physics.filters", "outputs", "physics.producers"};
  return s_allModulePathRoots;
}

// Called from initializer: verify initialization order with member data
// use if altering this function!
art::ModuleType
art::detail::ModuleConfigInfo::calcConfigType_() const
{
  auto const& paths = allModulePathRoots();
  switch (std::find(paths.cbegin(), paths.cend(), configPath_) -
          paths.cbegin()) {
    case 0:
      return ModuleType::ANALYZER;
    case 1:
      return ModuleType::FILTER;
    case 2:
      return ModuleType::OUTPUT;
    case 3:
      return ModuleType::PRODUCER;
    default:
      throw Exception(errors::LogicError)
        << "Unrecognized module path " << configPath_ << ".\n";
  };
}