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File indexing completed on 2025-01-18 09:57:29
0001 /***********************************************************************************\ 0002 * (c) Copyright 1998-2023 CERN for the benefit of the LHCb and ATLAS collaborations * 0003 * * 0004 * This software is distributed under the terms of the Apache version 2 licence, * 0005 * copied verbatim in the file "LICENSE". * 0006 * * 0007 * In applying this licence, CERN does not waive the privileges and immunities * 0008 * granted to it by virtue of its status as an Intergovernmental Organization * 0009 * or submit itself to any jurisdiction. * 0010 \***********************************************************************************/ 0011 #pragma once 0012 0013 #include <Gaudi/Decays/Nodes.h> 0014 #include <GaudiKernel/Kernel.h> 0015 #include <GaudiKernel/VectorMap.h> 0016 #include <map> 0017 #include <string> 0018 #include <vector> 0019 0020 namespace Gaudi { 0021 class IParticlePropertySvc; 0022 } 0023 0024 /** @file Kernel/Symbols.h 0025 * Helper file with the definition of symbols, used for particles/nodes/decays 0026 * @see Gaudi::Interfaces::IParticlePropertySvc 0027 * @see Gaudi::ParticleProperty 0028 * @see Gaudi::ParticleID 0029 * Many thanks to Antonio PELLEGRINO for the kind help with regex expressions 0030 * @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl 0031 * @date 2009-05-07 0032 */ 0033 namespace Gaudi::Decays { 0034 /** @class Symbols 0035 * Helper class to obtain the information about the valid 0036 * symbols for particles, decay descriptors and Nodes. 0037 * 0038 * Many thanks to Antonio PELLEGRINO for the kind help with regex expressions 0039 * 0040 * @see Decays::iNode 0041 * @see Decays::Nodes 0042 * @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl 0043 * @date 2009-05-07 0044 */ 0045 class GAUDI_API Symbols { 0046 public: 0047 enum { InvalidService = 400, InvalidSymbol, NoParticles, NoSymbols }; 0048 0049 /// the actual type for the list of names 0050 typedef std::vector<std::string> Names; 0051 typedef std::map<std::string, std::string> CCMap; 0052 0053 /// get CC-map 0054 const CCMap& cc() const; 0055 0056 /** valid basic/primitive symbol? 0057 * @param sym the symbol 0058 * @return true if it is vaild special symbol 0059 */ 0060 bool valid( std::string sym ) const; 0061 /** help for the basic primitive special symbol 0062 * @param sym the symbol 0063 * @return the help string 0064 */ 0065 const std::string& symbol( std::string sym ) const; 0066 /** get the node by symbol 0067 * @param (INPUT) sym the symbol name 0068 * @param (OUTPUT) the symbol 0069 * @return status code 0070 */ 0071 StatusCode symbol( std::string sym, Decays::Node& node ) const; 0072 0073 /** get all known basic primitive special symbols 0074 * @param names (OUTOUT) vector of all known special symbols 0075 * @return size of the vector 0076 */ 0077 size_t symbols( Names& names ) const; 0078 /** get all known particle names 0079 * @param svc (INPUT) particle property service 0080 * @param parts (OUTPUT) vector of particle names 0081 * @return status code 0082 */ 0083 StatusCode particles( const Gaudi::Interfaces::IParticlePropertySvc* svc, Names& parts ) const; 0084 0085 /** add new symbol to the internal structure 0086 * @param sym the symbol definition 0087 * @param node the actual node 0088 * @param help the help string 0089 * @param ccsym the symbol for charge coonjugation 0090 * @return true if the symbol is added into the storage 0091 */ 0092 bool addSymbol( std::string sym, const Decays::iNode& node, const std::string& help, std::string ccsym = "" ); 0093 0094 /** add cc-pair to the internal map 0095 * @param sym the symbol 0096 * @param ccsym the symbol for charge conjugation 0097 */ 0098 void addCC( std::string sym, std::string ccsym = "" ); 0099 0100 /// static accessor to teh singleton 0101 static Symbols& instance(); 0102 0103 protected: 0104 /// the default constructor is protected: 0105 Symbols(); 0106 /// the destructor is protected 0107 virtual ~Symbols() = default; 0108 0109 private: 0110 /// copy constructor is private 0111 Symbols( const Symbols& ); 0112 /// assignment operator is private 0113 Symbols& operator=( const Symbols& ); 0114 0115 typedef GaudiUtils::VectorMap<std::string, Decays::Nodes::_Node> NodeMap; 0116 typedef std::map<std::string, std::string> HelpMap; 0117 0118 /// the actual map of symbols 0119 NodeMap m_nodes; 0120 /// the actual help-map 0121 HelpMap m_help; 0122 /// the map of cc-symbols 0123 CCMap m_cc; 0124 }; 0125 } // namespace Gaudi::Decays
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