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File indexing completed on 2025-09-16 08:52:20
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/ext/RootUniquePtr.hh 0006 //! \brief Helpers to prevent ROOT from propagating to downstream code. 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <memory> 0011 0012 #include "corecel/Config.hh" 0013 0014 #include "corecel/Assert.hh" 0015 0016 class TFile; 0017 class TTree; 0018 0019 namespace celeritas 0020 { 0021 //---------------------------------------------------------------------------// 0022 /*! 0023 * Call `TFile->Write()` before deletion. 0024 */ 0025 struct RootFileWritableDeleter 0026 { 0027 void operator()(TFile* ptr); 0028 }; 0029 0030 //---------------------------------------------------------------------------// 0031 /*! 0032 * Call `TTree->AutoSave()` before deletion in order to update `gDirectory` 0033 * accordingly before writing the TTree. 0034 */ 0035 struct RootTreeAutoSaveDeleter 0036 { 0037 void operator()(TTree* ptr); 0038 }; 0039 0040 //---------------------------------------------------------------------------// 0041 /*! 0042 * Custom deleter to avoid propagating any dependency-specific implementation 0043 * downstream the code. 0044 */ 0045 template<class T> 0046 struct RootExternDeleter 0047 { 0048 void operator()(T* ptr); 0049 }; 0050 0051 //---------------------------------------------------------------------------// 0052 // Type aliases 0053 using UPRootFileWritable = std::unique_ptr<TFile, RootFileWritableDeleter>; 0054 using UPRootTreeWritable = std::unique_ptr<TTree, RootTreeAutoSaveDeleter>; 0055 0056 template<class T> 0057 using UPExtern = std::unique_ptr<T, RootExternDeleter<T>>; 0058 0059 //---------------------------------------------------------------------------// 0060 #if !CELERITAS_USE_ROOT 0061 inline void RootFileWritableDeleter::operator()(TFile*) 0062 { 0063 CELER_NOT_CONFIGURED("ROOT"); 0064 } 0065 0066 inline void RootTreeAutoSaveDeleter::operator()(TTree*) 0067 { 0068 CELER_NOT_CONFIGURED("ROOT"); 0069 } 0070 0071 template<class T> 0072 void RootExternDeleter<T>::operator()(T*) 0073 { 0074 CELER_NOT_CONFIGURED("ROOT"); 0075 } 0076 #endif 0077 0078 //---------------------------------------------------------------------------// 0079 } // namespace celeritas
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