LayerStructureBuilder.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2023 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/.

#pragma once

#include "Acts/Definitions/Algebra.hpp"
#include "Acts/Detector/DetectorComponents.hpp"
#include "Acts/Detector/ProtoBinning.hpp"
#include "Acts/Detector/ProtoSupport.hpp"
#include "Acts/Detector/interface/IInternalStructureBuilder.hpp"
#include "Acts/Detector/interface/ISurfacesProvider.hpp"
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Surfaces/Surface.hpp"
#include "Acts/Utilities/BinningData.hpp"
#include "Acts/Utilities/BinningType.hpp"
#include "Acts/Utilities/Logger.hpp"

#include <array>
#include <cstddef>
#include <functional>
#include <memory>
#include <optional>
#include <string>
#include <vector>

namespace Acts {
namespace Experimental {

class LayerStructureBuilder : public IInternalStructureBuilder {
 public:
  class SurfacesHolder final : public ISurfacesProvider {
   public:
    SurfacesHolder(std::vector<std::shared_ptr<Surface>> isurfaces)
        : m_surfaces(std::move(isurfaces)) {}

    std::vector<std::shared_ptr<Surface>> surfaces(
        [[maybe_unused]] const GeometryContext& gctx) const final {
      return m_surfaces;
    }

   private:
    std::vector<std::shared_ptr<Surface>> m_surfaces = {};
  };

  struct Config {
    std::shared_ptr<ISurfacesProvider> surfacesProvider = nullptr;
    std::vector<ProtoSupport> supports = {};
    std::vector<ProtoBinning> binnings = {};
    unsigned int nSegments = 1u;
    std::string auxiliary = "";
  };

  LayerStructureBuilder(const Config& cfg,
                        std::unique_ptr<const Logger> logger = getDefaultLogger(
                            "LayerStructureBuilder", Logging::INFO));

  InternalStructure construct(const GeometryContext& gctx) const final;

 private:
  Config m_cfg;

  const Logger& logger() const { return *m_logger; }

  std::unique_ptr<const Logger> m_logger;
};

}  // namespace Experimental
}  // namespace Acts