surface/detail/BuiltinSurfaceModelBuilder.hh

0001 //------------------------------- -*- C++ -*- -------------------------------//
0002 // Copyright Celeritas contributors: see top-level COPYRIGHT file for details
0003 // SPDX-License-Identifier: (Apache-2.0 OR MIT)
0004 //---------------------------------------------------------------------------//
0005 //! \file celeritas/optical/surface/detail/BuiltinSurfaceModelBuilder.hh
0006 //---------------------------------------------------------------------------//
0007 #pragma once
0008
0009 #include <map>
0010 #include <memory>
0011 #include <string_view>
0012 #include <vector>
0013
0014 #include "corecel/io/Logger.hh"
0015 #include "celeritas/Types.hh"
0016 #include "celeritas/optical/surface/SurfaceModel.hh"
0017
0018 namespace celeritas
0019 {
0020 namespace optical
0021 {
0022 namespace detail
0023 {
0024 //---------------------------------------------------------------------------//
0025 /*!
0026  * Utility for building built-in surface models from input data.
0027  *
0028  * Wraps the call to build a model with a check on whether the input data is
0029  * empty. If empty, then the model is not built. Keeps track of number of
0030  * models built and constructs new models with the next ID.
0031  */
0032 class BuiltinSurfaceModelBuilder
0033 {
0034   public:
0035     //!@{
0036     //! \name Type aliases
0037     using SPModel = std::shared_ptr<SurfaceModel>;
0038     //!@}
0039
0040   public:
0041     // Construct with storage to fill
0042     explicit inline BuiltinSurfaceModelBuilder(std::vector<SPModel>& models);
0043
0044     // Construct a built-in surface model
0045     template<class M>
0046     inline void build(std::map<PhysSurfaceId, typename M::InputT> const&);
0047
0048     // Number of physics surfaces that have been constructed
0049     size_type num_surfaces() const { return num_surf_; }
0050
0051   private:
0052     std::vector<SPModel>& models_;
0053     size_type num_surf_{0};
0054 };
0055
0056 //---------------------------------------------------------------------------//
0057 // INLINE DEFINITIONS
0058 //---------------------------------------------------------------------------//
0059 /*!
0060  * Construct with defaults.
0061  */
0062 BuiltinSurfaceModelBuilder::BuiltinSurfaceModelBuilder(
0063     std::vector<SPModel>& model)
0064     : models_(model)
0065 {
0066 }
0067
0068 //---------------------------------------------------------------------------//
0069 /*!
0070  * Construct a built-in surface model.
0071  *
0072  * Only constructs and adds the surface model if the \c layer_map is not empty.
0073  */
0074 template<class M>
0075 void BuiltinSurfaceModelBuilder::build(
0076     std::map<PhysSurfaceId, typename M::InputT> const& layer_map)
0077 {
0078     if (!layer_map.empty())
0079     {
0080         models_.push_back(
0081             std::make_shared<M>(SurfaceModelId(models_.size()), layer_map));
0082         num_surf_ += layer_map.size();
0083     }
0084 }
0085
0086 //---------------------------------------------------------------------------//
0087 }  // namespace detail
0088 }  // namespace optical
0089 }  // namespace celeritas