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File indexing completed on 2026-10-29 09:13:54
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 geocel/UniqueVolumeToString.hh 0006 //! \sa test/geocel/Volume.test.cc 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <memory> 0011 #include <string> 0012 #include <vector> 0013 0014 #include "Types.hh" 0015 0016 namespace celeritas 0017 { 0018 class VolumeParams; 0019 //---------------------------------------------------------------------------// 0020 /*! 0021 * Convert a unique volume instance ID to a slash-separated instance path. 0022 * 0023 * The value \c nullid, which corresponds to "outside", returns an empty 0024 * string. All other strings are slash-separated labels starting with the world 0025 * instance. 0026 */ 0027 class UniqueVolumeToString 0028 { 0029 public: 0030 //!@{ 0031 //! \name Type aliases 0032 using SPVolumeParams = std::shared_ptr<VolumeParams const>; 0033 //!@} 0034 0035 public: 0036 // Construct with non-owning shared pointer (limited lifetime) 0037 static UniqueVolumeToString from_ref(VolumeParams const&); 0038 0039 // Construct with shared volume metadata 0040 explicit UniqueVolumeToString(SPVolumeParams vols); 0041 0042 // Apply conversion 0043 std::string operator()(VolumeUniqueInstanceId uid); 0044 0045 private: 0046 SPVolumeParams vols_; 0047 VolumeInstanceId world_instance_; 0048 std::vector<VolumeInstanceId> path_buffer_; 0049 }; 0050 0051 //---------------------------------------------------------------------------// 0052 } // namespace celeritas
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