/usr/include/root/TFormLeafInfo.h is in libroot-tree-treeplayer-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Philippe Canal 01/06/2004
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers and al. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TFormLeafInfo
#define ROOT_TFormLeafInfo
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TLeafElement
#include "TLeafElement.h"
#endif
#include "TArrayI.h"
#include "TDataType.h"
#include "TStreamerInfo.h"
#include "TStreamerElement.h"
// declare the extra versions of GetValue() plus templated implementation
#define DECLARE_GETVAL \
virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0) \
{ return GetValueImpl<Double_t>(leaf, instance); } \
virtual Long64_t GetValueLong64(TLeaf *leaf, Int_t instance = 0) \
{ return GetValueImpl<Long64_t>(leaf, instance); } \
virtual LongDouble_t GetValueLongDouble(TLeaf *leaf, Int_t instance = 0) \
{ return GetValueImpl<LongDouble_t>(leaf, instance); } \
template<typename T> T GetValueImpl(TLeaf *leaf, Int_t instance = 0) // no semicolon
// declare the extra versions of ReadValue() plus templated implementation
#define DECLARE_READVAL \
virtual Double_t ReadValue(char *where, Int_t instance = 0) \
{ return ReadValueImpl<Double_t>(where, instance); } \
virtual Long64_t ReadValueLong64(char *where, Int_t instance = 0) \
{ return ReadValueImpl<Long64_t>(where, instance); } \
virtual LongDouble_t ReadValueLongDouble(char *where, Int_t instance = 0) \
{ return ReadValueImpl<LongDouble_t>(where, instance); } \
template<typename T> T ReadValueImpl(char *where, Int_t instance = 0) // no semicolon
class TFormLeafInfo : public TObject {
public:
// Constructors
TFormLeafInfo(TClass* classptr = 0, Long_t offset = 0,
TStreamerElement* element = 0);
TFormLeafInfo(const TFormLeafInfo& orig);
virtual TFormLeafInfo* DeepCopy() const;
virtual ~TFormLeafInfo();
void Swap(TFormLeafInfo &other);
TFormLeafInfo &operator=(const TFormLeafInfo &orig);
// Data Members
TClass *fClass; //! This is the class of the data pointed to
//TStreamerInfo *fInfo; //! == fClass->GetStreamerInfo()
Long_t fOffset; //! Offset of the data pointed inside the class fClass
TStreamerElement *fElement; //! Descriptor of the data pointed to.
//Warning, the offset in fElement is NOT correct because it does not take into
//account base classes and nested objects (which fOffset does).
TFormLeafInfo *fCounter;
TFormLeafInfo *fNext; // follow this to grab the inside information
TString fClassName;
TString fElementName;
protected:
Int_t fMultiplicity;
public:
virtual void AddOffset(Int_t offset, TStreamerElement* element);
virtual Int_t GetArrayLength();
virtual TClass* GetClass() const;
virtual Int_t GetCounterValue(TLeaf* leaf);
virtual Int_t ReadCounterValue(char *where);
char* GetObjectAddress(TLeafElement* leaf, Int_t &instance);
Int_t GetMultiplicity();
// Currently only implemented in TFormLeafInfoCast
Int_t GetNdata(TLeaf* leaf);
virtual Int_t GetNdata();
virtual void *GetValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetValuePointer(char *from, Int_t instance = 0);
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer( char *from, Int_t instance = 0);
virtual Bool_t HasCounter() const;
virtual Bool_t IsString() const;
virtual Bool_t IsInteger() const;
virtual Bool_t IsReference() const { return kFALSE; }
// Method for multiple variable dimensions.
virtual Int_t GetPrimaryIndex();
virtual Int_t GetVarDim();
virtual Int_t GetVirtVarDim();
virtual Int_t GetSize(Int_t index);
virtual Int_t GetSumOfSizes();
virtual void LoadSizes(TBranch* branch);
virtual void SetPrimaryIndex(Int_t index);
virtual void SetSecondaryIndex(Int_t index);
virtual void SetSize(Int_t index, Int_t val);
virtual void SetBranch(TBranch* br) { if ( fNext ) fNext->SetBranch(br); }
virtual void UpdateSizes(TArrayI *garr);
virtual Bool_t Update();
DECLARE_GETVAL;
DECLARE_READVAL;
template <typename T> struct ReadValueHelper {
static T Exec(TFormLeafInfo *leaf, char *where, Int_t instance) {
return leaf->ReadValue(where, instance);
}
};
template <typename T > T ReadTypedValue(char *where, Int_t instance = 0) {
return ReadValueHelper<T>::Exec(this, where, instance);
}
template <typename T> struct GetValueHelper {
static T Exec(TFormLeafInfo *linfo, TLeaf *leaf, Int_t instance) {
return linfo->GetValue(leaf, instance);
}
};
template <typename T > T GetTypedValue(TLeaf *leaf, Int_t instance = 0) {
return GetValueHelper<T>::Exec(this, leaf, instance);
}
};
template <> struct TFormLeafInfo::ReadValueHelper<Long64_t> {
static Long64_t Exec(TFormLeafInfo *leaf, char *where, Int_t instance) { return leaf->ReadValueLong64(where, instance); }
};
template <> struct TFormLeafInfo::ReadValueHelper<ULong64_t> {
static ULong64_t Exec(TFormLeafInfo *leaf, char *where, Int_t instance) { return (ULong64_t)leaf->ReadValueLong64(where, instance); }
};
template <> struct TFormLeafInfo::ReadValueHelper<LongDouble_t> {
static LongDouble_t Exec(TFormLeafInfo *leaf, char *where, Int_t instance) { return leaf->ReadValueLongDouble(where, instance); }
};
template <> struct TFormLeafInfo::GetValueHelper<Long64_t> {
static Long64_t Exec(TFormLeafInfo *linfo, TLeaf *leaf, Int_t instance) { return linfo->GetValueLong64(leaf, instance); }
};
template <> struct TFormLeafInfo::GetValueHelper<ULong64_t> {
static ULong64_t Exec(TFormLeafInfo *linfo, TLeaf *leaf, Int_t instance) { return (ULong64_t)linfo->GetValueLong64(leaf, instance); }
};
template <> struct TFormLeafInfo::GetValueHelper<LongDouble_t> {
static LongDouble_t Exec(TFormLeafInfo *linfo, TLeaf *leaf, Int_t instance) { return linfo->GetValueLongDouble(leaf, instance); }
};
//______________________________________________________________________________
//
// TFormLeafInfoDirect is a small helper class to implement reading a data
// member on an object stored in a TTree.
class TFormLeafInfoDirect : public TFormLeafInfo {
public:
TFormLeafInfoDirect(TBranchElement * from);
// The implicit default constructor's implementation is correct.
virtual TFormLeafInfo* DeepCopy() const;
DECLARE_GETVAL;
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer(char *thisobj, Int_t instance = 0);
virtual Double_t ReadValue(char * /*where*/, Int_t /*instance*/= 0);
virtual Long64_t ReadValueLong64(char *where, Int_t i= 0) { return ReadValue(where, i); }
virtual LongDouble_t ReadValueLongDouble(char *where, Int_t i= 0) { return ReadValue(where, i); }
};
//______________________________________________________________________________
//
// TFormLeafInfoNumerical is a small helper class to implement reading a
// numerical value inside a collection
class TFormLeafInfoNumerical : public TFormLeafInfo {
EDataType fKind;
Bool_t fIsBool;
public:
TFormLeafInfoNumerical(TVirtualCollectionProxy *holder_of);
TFormLeafInfoNumerical(EDataType kind);
TFormLeafInfoNumerical(const TFormLeafInfoNumerical& orig);
virtual TFormLeafInfo* DeepCopy() const;
void Swap(TFormLeafInfoNumerical &other);
TFormLeafInfoNumerical &operator=(const TFormLeafInfoNumerical &orig);
virtual ~TFormLeafInfoNumerical();
virtual Bool_t IsString() const;
virtual Bool_t Update();
};
//______________________________________________________________________________
//
// TFormLeafInfoCollectionObject
// This class is used when we are interested by the collection it self and
// it is split.
class TFormLeafInfoCollectionObject : public TFormLeafInfo {
Bool_t fTop; //If true, it indicates that the branch itself contains
public:
TFormLeafInfoCollectionObject(TClass* classptr = 0, Bool_t fTop = kTRUE);
TFormLeafInfoCollectionObject(const TFormLeafInfoCollectionObject &orig);
void Swap(TFormLeafInfoCollectionObject &other);
TFormLeafInfoCollectionObject &operator=(const TFormLeafInfoCollectionObject &orig);
virtual TFormLeafInfo* DeepCopy() const {
return new TFormLeafInfoCollectionObject(*this);
}
DECLARE_GETVAL;
virtual Int_t GetCounterValue(TLeaf* leaf);
virtual Double_t ReadValue(char *where, Int_t instance = 0);
virtual Long64_t ReadValueLong64(char *where, Int_t i= 0) { return ReadValue(where, i); }
virtual LongDouble_t ReadValueLongDouble(char *where, Int_t i= 0) { return ReadValue(where, i); }
virtual void *GetValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetValuePointer(char *thisobj, Int_t instance = 0);
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer(char *thisobj, Int_t instance = 0);
};
//______________________________________________________________________________
//
// TFormLeafInfoClones is a small helper class to implement reading a data
// member on a TClonesArray object stored in a TTree.
class TFormLeafInfoClones : public TFormLeafInfo {
Bool_t fTop; //If true, it indicates that the branch itself contains
public:
//either the clonesArrays or something inside the clonesArray
TFormLeafInfoClones(TClass* classptr = 0, Long_t offset = 0);
TFormLeafInfoClones(TClass* classptr, Long_t offset, Bool_t top);
TFormLeafInfoClones(TClass* classptr, Long_t offset, TStreamerElement* element,
Bool_t top = kFALSE);
TFormLeafInfoClones(const TFormLeafInfoClones &orig);
void Swap(TFormLeafInfoClones &other);
TFormLeafInfoClones &operator=(const TFormLeafInfoClones &orig);
virtual TFormLeafInfo* DeepCopy() const {
return new TFormLeafInfoClones(*this);
}
DECLARE_GETVAL;
DECLARE_READVAL;
virtual Int_t GetCounterValue(TLeaf* leaf);
virtual Int_t ReadCounterValue(char *where);
virtual void *GetValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetValuePointer(char *thisobj, Int_t instance = 0);
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer(char *thisobj, Int_t instance = 0);
};
//______________________________________________________________________________
//
// TFormLeafInfoCollection is a small helper class to implement reading a data member
// on a generic collection object stored in a TTree.
class TFormLeafInfoCollection : public TFormLeafInfo {
Bool_t fTop; //If true, it indicates that the branch itself contains
//either the clonesArrays or something inside the clonesArray
TClass *fCollClass;
TString fCollClassName;
TVirtualCollectionProxy *fCollProxy;
TStreamerElement *fLocalElement;
public:
TFormLeafInfoCollection(TClass* classptr,
Long_t offset,
TStreamerElement* element,
Bool_t top = kFALSE);
TFormLeafInfoCollection(TClass* motherclassptr,
Long_t offset = 0,
TClass* elementclassptr = 0,
Bool_t top = kFALSE);
TFormLeafInfoCollection();
TFormLeafInfoCollection(const TFormLeafInfoCollection& orig);
~TFormLeafInfoCollection();
void Swap(TFormLeafInfoCollection &other);
TFormLeafInfoCollection &operator=(const TFormLeafInfoCollection &orig);
virtual TFormLeafInfo* DeepCopy() const;
virtual Bool_t Update();
DECLARE_GETVAL;
DECLARE_READVAL;
virtual Int_t GetCounterValue(TLeaf* leaf);
virtual Int_t ReadCounterValue(char* where);
virtual Int_t GetCounterValue(TLeaf* leaf, Int_t instance);
virtual Bool_t HasCounter() const;
virtual void *GetValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetValuePointer(char *thisobj, Int_t instance = 0);
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer(char *thisobj, Int_t instance = 0);
};
//______________________________________________________________________________
//
// TFormLeafInfoCollectionSize is used to return the size of a collection
//
class TFormLeafInfoCollectionSize : public TFormLeafInfo {
TClass *fCollClass;
TString fCollClassName;
TVirtualCollectionProxy *fCollProxy;
public:
TFormLeafInfoCollectionSize(TClass*);
TFormLeafInfoCollectionSize(TClass* classptr,Long_t offset,TStreamerElement* element);
TFormLeafInfoCollectionSize();
TFormLeafInfoCollectionSize(const TFormLeafInfoCollectionSize& orig);
~TFormLeafInfoCollectionSize();
void Swap(TFormLeafInfoCollectionSize &other);
TFormLeafInfoCollectionSize &operator=(const TFormLeafInfoCollectionSize &orig);
virtual TFormLeafInfo* DeepCopy() const;
virtual Bool_t Update();
virtual void *GetValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetValuePointer(char *from, Int_t instance = 0);
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual void *GetLocalValuePointer( char *from, Int_t instance = 0);
virtual Double_t ReadValue(char *where, Int_t instance = 0);
virtual Long64_t ReadValueLong64(char *where, Int_t i= 0) { return ReadValue(where, i); }
virtual LongDouble_t ReadValueLongDouble(char *where, Int_t i= 0) { return ReadValue(where, i); }
};
//______________________________________________________________________________
//
// TFormLeafInfoPointer is a small helper class to implement reading a data
// member by following a pointer inside a branch of TTree.
class TFormLeafInfoPointer : public TFormLeafInfo {
public:
TFormLeafInfoPointer(TClass* classptr = 0, Long_t offset = 0,
TStreamerElement* element = 0);
// The default copy constructor is the right implementation.
virtual TFormLeafInfo* DeepCopy() const;
DECLARE_GETVAL;
DECLARE_READVAL;
};
//______________________________________________________________________________
//
// TFormLeafInfoMethod is a small helper class to implement executing a method
// of an object stored in a TTree
class TFormLeafInfoMethod : public TFormLeafInfo {
TMethodCall *fMethod;
TString fMethodName;
TString fParams;
Double_t fResult;
TString fCopyFormat;
TString fDeleteFormat;
void *fValuePointer;
Bool_t fIsByValue;
public:
TFormLeafInfoMethod(TClass* classptr = 0, TMethodCall *method = 0);
TFormLeafInfoMethod(const TFormLeafInfoMethod& orig);
~TFormLeafInfoMethod();
void Swap(TFormLeafInfoMethod &other);
TFormLeafInfoMethod &operator=(const TFormLeafInfoMethod &orig);
virtual TFormLeafInfo* DeepCopy() const;
DECLARE_READVAL;
virtual TClass* GetClass() const;
virtual void *GetLocalValuePointer( TLeaf *from, Int_t instance = 0);
virtual void *GetLocalValuePointer(char *from, Int_t instance = 0);
virtual Bool_t IsInteger() const;
virtual Bool_t IsString() const;
virtual Bool_t Update();
};
//______________________________________________________________________________
//
// TFormLeafInfoMultiVarDim is a small helper class to implement reading a
// data member on a variable size array inside a TClonesArray object stored in
// a TTree. This is the version used when the data member is inside a
// non-split object.
class TFormLeafInfoMultiVarDim : public TFormLeafInfo {
public:
Int_t fNsize;
TArrayI fSizes; // Array of sizes of the variable dimension
TFormLeafInfo *fCounter2; // Information on how to read the secondary dimensions
Int_t fSumOfSizes; // Sum of the content of fSizes
Int_t fDim; // physical number of the dimension that is variable
Int_t fVirtDim; // number of the virtual dimension to which this object correspond.
Int_t fPrimaryIndex; // Index of the dimensions that is indexing the second dimension's size
Int_t fSecondaryIndex; // Index of the second dimension
protected:
TFormLeafInfoMultiVarDim(TClass* classptr, Long_t offset,
TStreamerElement* element) : TFormLeafInfo(classptr,offset,element),fNsize(0),fSizes(),fCounter2(0),fSumOfSizes(0),fDim(0),fVirtDim(0),fPrimaryIndex(-1),fSecondaryIndex(-1) {}
public:
TFormLeafInfoMultiVarDim(TClass* classptr, Long_t offset,
TStreamerElement* element, TFormLeafInfo* parent);
TFormLeafInfoMultiVarDim();
TFormLeafInfoMultiVarDim(const TFormLeafInfoMultiVarDim& orig);
~TFormLeafInfoMultiVarDim();
void Swap(TFormLeafInfoMultiVarDim &other);
TFormLeafInfoMultiVarDim &operator=(const TFormLeafInfoMultiVarDim &orig);
virtual TFormLeafInfo* DeepCopy() const;
/* The proper indexing and unwinding of index is done by prior leafinfo in the chain. */
//virtual Double_t ReadValue(char *where, Int_t instance = 0) {
// return TFormLeafInfo::ReadValue(where,instance);
//}
virtual void LoadSizes(TBranch* branch);
virtual Int_t GetPrimaryIndex();
virtual void SetPrimaryIndex(Int_t index);
virtual void SetSecondaryIndex(Int_t index);
virtual void SetSize(Int_t index, Int_t val);
virtual Int_t GetSize(Int_t index);
virtual Int_t GetSumOfSizes();
virtual Double_t GetValue(TLeaf * /*leaf*/, Int_t /*instance*/ = 0);
virtual Long64_t GetValueLong64(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
virtual LongDouble_t GetValueLongDouble(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
virtual Int_t GetVarDim();
virtual Int_t GetVirtVarDim();
virtual Bool_t Update();
virtual void UpdateSizes(TArrayI *garr);
};
//______________________________________________________________________________
//
// TFormLeafInfoMultiVarDimDirect is a small helper class to implement reading
// a data member on a variable size array inside a TClonesArray object stored
// in a TTree. This is the version used for split access
class TFormLeafInfoMultiVarDimDirect : public TFormLeafInfoMultiVarDim {
public:
// The default constructor are the correct implementation.
virtual TFormLeafInfo* DeepCopy() const;
DECLARE_GETVAL;
virtual Double_t ReadValue(char * /*where*/, Int_t /*instance*/ = 0);
virtual Long64_t ReadValueLong64(char *where, Int_t i= 0) { return ReadValue(where, i); }
virtual LongDouble_t ReadValueLongDouble(char *where, Int_t i= 0) { return ReadValue(where, i); }
};
//______________________________________________________________________________
//
// TFormLeafInfoMultiVarDimCollection is a small helper class to implement reading
// a data member which is a collection inside a TClonesArray or collection object
// stored in a TTree. This is the version used for split access
//
class TFormLeafInfoMultiVarDimCollection : public TFormLeafInfoMultiVarDim {
public:
TFormLeafInfoMultiVarDimCollection(TClass* motherclassptr, Long_t offset,
TClass* elementclassptr, TFormLeafInfo *parent);
TFormLeafInfoMultiVarDimCollection(TClass* classptr, Long_t offset,
TStreamerElement* element, TFormLeafInfo* parent);
// The default copy constructor is the right implementation.
virtual TFormLeafInfo* DeepCopy() const;
virtual Int_t GetArrayLength() { return 0; }
virtual void LoadSizes(TBranch* branch);
virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0);
virtual Long64_t GetValueLong64(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
virtual LongDouble_t GetValueLongDouble(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
DECLARE_READVAL;
};
//______________________________________________________________________________
//
// TFormLeafInfoMultiVarDimClones is a small helper class to implement reading
// a data member which is a TClonesArray inside a TClonesArray or collection object
// stored in a TTree. This is the version used for split access
//
class TFormLeafInfoMultiVarDimClones : public TFormLeafInfoMultiVarDim {
public:
TFormLeafInfoMultiVarDimClones(TClass* motherclassptr, Long_t offset,
TClass* elementclassptr, TFormLeafInfo *parent);
TFormLeafInfoMultiVarDimClones(TClass* classptr, Long_t offset,
TStreamerElement* element, TFormLeafInfo* parent);
// The default copy constructor is the right implementation.
virtual TFormLeafInfo* DeepCopy() const;
virtual Int_t GetArrayLength() { return 0; }
virtual void LoadSizes(TBranch* branch);
virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0);
virtual Long64_t GetValueLong64(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
virtual LongDouble_t GetValueLongDouble(TLeaf *leaf, Int_t i= 0) { return GetValue(leaf, i); }
DECLARE_READVAL;
};
//______________________________________________________________________________
//
// TFormLeafInfoCast is a small helper class to implement casting an object to
// a different type (equivalent to dynamic_cast)
class TFormLeafInfoCast : public TFormLeafInfo {
public:
TClass *fCasted; //! Pointer to the class we are trying to case to
TString fCastedName; //! Name of the class we are casting to.
Bool_t fGoodCast; //! Marked by ReadValue.
Bool_t fIsTObject; //! Indicated whether the fClass inherits from TObject.
TFormLeafInfoCast(TClass* classptr = 0, TClass* casted = 0);
TFormLeafInfoCast(const TFormLeafInfoCast& orig);
virtual ~TFormLeafInfoCast();
void Swap(TFormLeafInfoCast &other);
TFormLeafInfoCast &operator=(const TFormLeafInfoCast &orig);
virtual TFormLeafInfo* DeepCopy() const;
DECLARE_READVAL;
// Currently only implemented in TFormLeafInfoCast
virtual Int_t GetNdata();
virtual Bool_t Update();
};
//______________________________________________________________________________
//
// TFormLeafTTree is a small helper class to implement reading
// from the containing TTree object itself.
class TFormLeafInfoTTree : public TFormLeafInfo {
TTree *fTree;
TTree *fCurrent;
TString fAlias;
public:
TFormLeafInfoTTree(TTree *tree = 0, const char *alias = 0, TTree *current = 0);
TFormLeafInfoTTree(const TFormLeafInfoTTree& orig);
void Swap(TFormLeafInfoTTree &other);
TFormLeafInfoTTree &operator=(const TFormLeafInfoTTree &orig);
virtual TFormLeafInfo* DeepCopy() const;
using TFormLeafInfo::GetLocalValuePointer;
using TFormLeafInfo::GetValue;
DECLARE_GETVAL;
DECLARE_READVAL;
virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0);
virtual Bool_t Update();
};
#endif /* ROOT_TFormLeafInfo */
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