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File indexing completed on 2025-02-22 10:31:21
0001 //----------------------------------*-C++-*----------------------------------// 0002 // Copyright 2022-2024 UT-Battelle, LLC, and other Celeritas developers. 0003 // See the top-level COPYRIGHT file for details. 0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0005 //---------------------------------------------------------------------------// 0006 //! \file celeritas/ext/RootUniquePtr.hh 0007 //! \brief Helpers to prevent ROOT from propagating to downstream code. 0008 //---------------------------------------------------------------------------// 0009 #pragma once 0010 0011 #include <memory> 0012 0013 #include "corecel/Config.hh" 0014 0015 #include "corecel/Assert.hh" 0016 0017 class TFile; 0018 class TTree; 0019 0020 namespace celeritas 0021 { 0022 //---------------------------------------------------------------------------// 0023 /*! 0024 * Call `TFile->Write()` before deletion. 0025 */ 0026 struct RootFileWritableDeleter 0027 { 0028 void operator()(TFile* ptr); 0029 }; 0030 0031 //---------------------------------------------------------------------------// 0032 /*! 0033 * Call `TTree->AutoSave()` before deletion in order to update `gDirectory` 0034 * accordingly before writing the TTree. 0035 */ 0036 struct RootTreeAutoSaveDeleter 0037 { 0038 void operator()(TTree* ptr); 0039 }; 0040 0041 //---------------------------------------------------------------------------// 0042 /*! 0043 * Custom deleter to avoid propagating any dependency-specific implementation 0044 * downstream the code. 0045 */ 0046 template<class T> 0047 struct ExternDeleter 0048 { 0049 void operator()(T* ptr); 0050 }; 0051 0052 //---------------------------------------------------------------------------// 0053 // Type aliases 0054 using UPRootFileWritable = std::unique_ptr<TFile, RootFileWritableDeleter>; 0055 using UPRootTreeWritable = std::unique_ptr<TTree, RootTreeAutoSaveDeleter>; 0056 0057 template<class T> 0058 using UPExtern = std::unique_ptr<T, ExternDeleter<T>>; 0059 0060 //---------------------------------------------------------------------------// 0061 #if !CELERITAS_USE_ROOT 0062 inline void RootFileWritableDeleter::operator()(TFile*) 0063 { 0064 CELER_NOT_CONFIGURED("ROOT"); 0065 } 0066 0067 inline void RootTreeAutoSaveDeleter::operator()(TTree*) 0068 { 0069 CELER_NOT_CONFIGURED("ROOT"); 0070 } 0071 0072 template<class T> 0073 void ExternDeleter<T>::operator()(T*) 0074 { 0075 CELER_NOT_CONFIGURED("ROOT"); 0076 } 0077 #endif 0078 0079 //---------------------------------------------------------------------------// 0080 } // namespace celeritas
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