ConfigurationOptionsRetriever.cxx

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#include "ConfigurationOptionsRetriever.h"
 
#include "Configuration/ConfigurationInterface.h"
#include "Framework/ConfigParamSpec.h"
#include "PropertyTreeHelpers.h"
 
#define BOOST_BIND_GLOBAL_PLACEHOLDERS
#include <boost/program_options.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
 
#include <string>
#include <vector>
#include <iostream>
 
using namespace o2::framework;
using namespace o2::configuration;
namespace bpo = boost::program_options;
namespace bpt = boost::property_tree;
 
namespace o2::framework
{
 
ConfigurationOptionsRetriever::ConfigurationOptionsRetriever(ConfigurationInterface* cfg,
                                                             std::string const& mainKey)
  : mCfg{cfg},
    mMainKey{mainKey}
{
}
 
void ConfigurationOptionsRetriever::update(std::vector<ConfigParamSpec> const& schema,
                                           boost::property_tree::ptree& store,
                                           boost::property_tree::ptree& provenance)
{
  boost::property_tree::ptree in;
  try {
    in = mCfg->getRecursive(mMainKey);
  } catch (...) {
    in.clear();
  }
  PropertyTreeHelpers::populate(schema, store, in, provenance, "configuration:" + mMainKey);
}
 
} // namespace o2::framework