GlobalTrackID.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 "ReconstructionDataFormats/GlobalTrackID.h"
#include "Framework/Logger.h"
#include <fmt/printf.h>
#include <iostream>
#include <bitset>
 
using namespace o2::dataformats;
using DetID = o2::detectors::DetID;
 
std::string GlobalTrackID::asString() const
{
  std::bitset<NBitsFlags()> bits{getFlags()};
  return fmt::format("[{:s}/{:d}/{:s}]", getSourceName(), getIndex(), bits.to_string());
}
 
GlobalTrackID::mask_t GlobalTrackID::getSourcesMask(const std::string_view srcList)
{
  mask_t mask;
  std::string ss(srcList), sname{};
  if (ss.find(NONE) != std::string::npos) {
    return mask;
  }
  if (ss.find(ALL) != std::string::npos) {
    mask = MASK_ALL;
    return mask;
  }
  std::replace(ss.begin(), ss.end(), ' ', ',');
  std::stringstream sss(ss);
  while (getline(sss, sname, ',')) {
    for (auto id = 0; id < NSources; id++) {
      if (sname == getSourceName(id)) {
        mask.set(id);
        sname = "";
        break;
      }
    }
    if (!sname.empty()) {
      throw std::runtime_error(fmt::format("Wrong entry {:s} in reco-sources list {:s}", sname, srcList));
    }
  }
  return mask;
}
 
std::ostream& o2::dataformats::operator<<(std::ostream& os, const o2::dataformats::GlobalTrackID& v)
{
  // stream itself
  os << v.asString();
  return os;
}
 
void GlobalTrackID::print() const
{
  LOG(info) << asString();
}
 
std::string GlobalTrackID::getSourcesNames(GlobalTrackID::mask_t srcm)
{
  std::string s = "[";
  for (int i = 0; i < NSources; i++) {
    if (srcm[i]) {
      if (s.size() > 1) {
        s += ',';
      }
      s += getSourceName(i);
    }
  }
  s += ']';
  return std::move(s);
}