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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/VolumeToString.hh 0006 //! \sa geocel/Volume.test.cc 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <string> 0011 #include <variant> 0012 0013 #include "corecel/io/Label.hh" 0014 0015 #include "Types.hh" 0016 0017 namespace celeritas 0018 { 0019 class VolumeParams; 0020 //---------------------------------------------------------------------------// 0021 /*! 0022 * Visitor class that converts volume-related types to string representations. 0023 * 0024 * This class can be used with std::visit to convert variant types to strings. 0025 * When constructed with VolumeParams reference, it will look up labels for 0026 * IDs; otherwise it will print just the ID value or a null indicator. 0027 */ 0028 class VolumeToString 0029 { 0030 public: 0031 //!@{ 0032 //! \name Type aliases 0033 using VariantLabel 0034 = std::variant<Label, VolumeId, VolumeInstanceId, std::string>; 0035 //!@} 0036 0037 public: 0038 // Construct without any labels 0039 VolumeToString() = default; 0040 0041 // Construct with volume params reference 0042 inline explicit VolumeToString(VolumeParams const& params); 0043 0044 // Overloaded operators for different types 0045 std::string operator()(Label const& label) const; 0046 std::string operator()(VolumeId const& id) const; 0047 std::string operator()(VolumeInstanceId const& id) const; 0048 0049 private: 0050 VolumeParams const* params_{nullptr}; 0051 }; 0052 0053 //---------------------------------------------------------------------------// 0054 // INLINE DEFINITIONS 0055 //---------------------------------------------------------------------------// 0056 /*! 0057 * Construct with volume params reference. 0058 */ 0059 VolumeToString::VolumeToString(VolumeParams const& params) : params_(¶ms) 0060 { 0061 } 0062 0063 //---------------------------------------------------------------------------// 0064 } // namespace celeritas
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