Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/wroot/info

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_wroot_info
  5 #define tools_wroot_info
  6 
  7 #include "buffer"
  8 #include "element"
  9 #include "named"
 10 
 11 namespace tools {
 12 namespace wroot {
 13 
 14 // sizeof(vtbl)         = 4
 15 // sizeof(unsigned int) = 4
 16 // sizeof(TObject)   = 12  = 2 * (unsigned int) + vtbl.
 17 // sizeof(TString)   = 8   = char* + vtbl.
 18 // sizeof(TNamed)    = 28  = TObject + 2 * TString.
 19 // sizeof(TObjArray) = 40
 20 
 21 class streamer_info : public virtual ibo {
 22   static const std::string& s_class() {
 23     static const std::string s_v("tools::wroot::streamer_info");
 24     return s_v;
 25   }
 26 public: //ibo
 27   virtual const std::string& store_cls() const {
 28     static const std::string s_v("TStreamerInfo");
 29     return s_v;
 30   }
 31   virtual bool stream(buffer& a_buffer) const {
 32     unsigned int c;
 33     if(!a_buffer.write_version(2,c)) return false;
 34 
 35     if(!Named_stream(a_buffer,fName,fTitle)) return false;
 36     if(!a_buffer.write(fCheckSum)) return false;
 37     if(!a_buffer.write(fStreamedClassVersion)) return false;
 38 
 39     //ObjArray
 40     if(!a_buffer.write_object(fElements)) return false;
 41 
 42     if(!a_buffer.set_byte_count(c)) return false;
 43 
 44     return true;
 45   }
 46 public:
 47   virtual void out(std::ostream& a_out) const {
 48     a_out << "streamer_info for class :"
 49           << " " << fName << ", version=" << fStreamedClassVersion
 50           << std::endl;
 51     tools_vforcit(streamer_element*,fElements,it) (*it)->out(a_out);
 52   }
 53 public:
 54   streamer_info(const std::string& a_cls_store_name,int a_cls_vers,unsigned int a_cls_check_sum)
 55   :fName(a_cls_store_name)
 56   ,fTitle("")
 57   ,fCheckSum(a_cls_check_sum)
 58   ,fStreamedClassVersion(a_cls_vers)
 59   {
 60 #ifdef TOOLS_MEM
 61     mem::increment(s_class().c_str());
 62 #endif
 63   }
 64   virtual ~streamer_info(){
 65 #ifdef TOOLS_MEM
 66     mem::decrement(s_class().c_str());
 67 #endif
 68   }
 69 protected:
 70   streamer_info(const streamer_info& a_from)
 71   :ibo(a_from)
 72   ,fName(a_from.fName)
 73   ,fTitle(a_from.fName)
 74   ,fCheckSum(a_from.fCheckSum)
 75   ,fStreamedClassVersion(a_from.fStreamedClassVersion)
 76   ,fElements(a_from.fElements)
 77   {
 78 #ifdef TOOLS_MEM
 79     mem::increment(s_class().c_str());
 80 #endif
 81   }
 82   streamer_info& operator=(const streamer_info& a_from){
 83     fName = a_from.fName;
 84     fTitle = a_from.fName;
 85     fCheckSum = a_from.fCheckSum;
 86     fStreamedClassVersion = a_from.fStreamedClassVersion;
 87     fElements = a_from.fElements;
 88     return *this;
 89   }
 90 public:
 91   void add(streamer_element* a_elem){fElements.push_back(a_elem);}
 92 protected: //Named
 93   std::string fName;
 94   std::string fTitle;
 95 protected:
 96   unsigned int fCheckSum;    //checksum of original class
 97   int fStreamedClassVersion; //Class version identifier
 98   //int fNumber;               //!Unique identifier
 99   obj_array<streamer_element> fElements; //Array of TStreamerElements
100 };
101 
102 }}
103 
104 #endif