VolumeBoundsJsonConverter.cpp

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// This file is part of the Acts project.
//
// Copyright (C) 2022 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include "Acts/Plugins/Json/VolumeBoundsJsonConverter.hpp"

#include "Acts/Geometry/ConeVolumeBounds.hpp"
#include "Acts/Geometry/CuboidVolumeBounds.hpp"
#include "Acts/Geometry/CutoutCylinderVolumeBounds.hpp"
#include "Acts/Geometry/CylinderVolumeBounds.hpp"
#include "Acts/Geometry/GenericCuboidVolumeBounds.hpp"
#include "Acts/Geometry/TrapezoidVolumeBounds.hpp"
#include "Acts/Geometry/VolumeBounds.hpp"

#include <algorithm>
#include <stdexcept>

void Acts::to_json(nlohmann::json& j, const VolumeBounds& bounds) {
  j["type"] = bounds.type();
  j["values"] = bounds.values();
}

nlohmann::json Acts::VolumeBoundsJsonConverter::toJson(
    const VolumeBounds& bounds) {
  return nlohmann::json(bounds);
}

std::unique_ptr<Acts::VolumeBounds> Acts::VolumeBoundsJsonConverter::fromJson(
    const nlohmann::json& jVolumeBounds) {
  const auto type = jVolumeBounds["type"].get<VolumeBounds::BoundsType>();

  switch (type) {
    case VolumeBounds::BoundsType::eCone: {
      return fromJson<ConeVolumeBounds>(jVolumeBounds);
    } break;
    case VolumeBounds::BoundsType::eCuboid: {
      return fromJson<CuboidVolumeBounds>(jVolumeBounds);
    } break;
    case VolumeBounds::BoundsType::eCutoutCylinder: {
      return fromJson<CutoutCylinderVolumeBounds>(jVolumeBounds);
    } break;
    case VolumeBounds::BoundsType::eCylinder: {
      return fromJson<CylinderVolumeBounds>(jVolumeBounds);
    } break;
    case VolumeBounds::BoundsType::eTrapezoid: {
      return fromJson<TrapezoidVolumeBounds>(jVolumeBounds);
    } break;
    case VolumeBounds::BoundsType::eGenericCuboid: {
      return fromJson<GenericCuboidVolumeBounds>(jVolumeBounds);
    } break;
    default: {
      throw std::invalid_argument("Unknown volume bounds type!");
    }
  }
  return nullptr;
}  // namespace Acts