THaRTTI.h

Go to the documentation of this file.

#ifndef Podd_THaRTTI_h_
#define Podd_THaRTTI_h_
 
//
// THaRTTI
//
 
#include "TString.h"
#include "VarType.h"
 
class TDataMember;
class TRealData;
class TList;
class TObject;
 
class THaRTTI {
 
public:
  enum  EArrayType { kScalar, kFixed, kVariable, kVector };
 
  THaRTTI() :
    fOffset(-1), fType(kDouble), fArrayType(kScalar), fCountOffset(-1),
    fDataMember(nullptr), fRealData(nullptr), fElemClass(nullptr) {}
  virtual ~THaRTTI() = default;
 
  Int_t        Find( TClass* cl, const TString& var,
                     const void* p = nullptr );
 
  EArrayType   GetArrayType()   const { return fArrayType; }
  TClass*      GetClass()       const;
  Long_t       GetCountOffset() const { return fCountOffset; }
  TDataMember* GetDataMember()  const { return fDataMember; }
  Long_t       GetOffset()      const { return fOffset; }
  TRealData*   GetRealData()    const { return fRealData; }
  const char*  GetSubscript()   const { return fSubscript.Data(); }
  VarType      GetType()        const { return fType; }
  Bool_t       IsArray()        const { return (fArrayType != kScalar); }
  Bool_t       IsObject()       const { return (fType == kObject ||
                                                fType == kObjectP ||
                                                fType == kObject2P); }
  Bool_t       IsObjVector()    const { return (fType == kObjectV ||
                                                fType == kObjectPV); }
  Bool_t       IsPointer()      const;
  Bool_t       IsValid()        const { return (fOffset != -1); }
  void         Print( Option_t* opt="" ) const;
  void         Reset() {
    fOffset = -1; fType = kDouble; fArrayType = kScalar; fCountOffset = -1;
    fDataMember = nullptr; fRealData = nullptr; fElemClass = nullptr;
  }
 
protected:
 
  Long_t       fOffset;       // Offset with respect to THIS pointer
  VarType      fType;         // Variable type (kObject if object)
  EArrayType   fArrayType;    // Array type (see EArrayType)
  TString      fSubscript;    // For fixed array: Description of dimension(s)
  Long_t       fCountOffset;  // For var array: Offset of length specifier
  TDataMember* fDataMember;   // Associated ROOT TDataMember
  TRealData*   fRealData;     // Associated ROOT TRealData
  TClass*      fElemClass;    // Class of object vector element type
 
  ClassDef(THaRTTI,0)   //Parsed type information for a ROOT class member variable
};
 
#endif