// @(#)root/treeplayer:$Id: TFormLeafInfo.h 26117 2008-11-10 08:46:48Z pcanal $ // 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" 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(); // 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 Double_t GetValue(TLeaf *leaf, Int_t instance = 0); 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 Double_t ReadValue(char *where, Int_t instance = 0); virtual Bool_t Update(); }; //______________________________________________________________________________ // // 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); TFormLeafInfoDirect(const TFormLeafInfoDirect& orig); virtual TFormLeafInfo* DeepCopy() const; virtual ~TFormLeafInfoDirect(); virtual Double_t ReadValue(char * /*where*/, Int_t /*instance*/= 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0); virtual void *GetLocalValuePointer(char *thisobj, Int_t instance = 0); }; //______________________________________________________________________________ // // TFormLeafInfoNumerical is a small helper class to implement reading a // numerical value inside a collection class TFormLeafInfoNumerical : public TFormLeafInfo { public: EDataType fKind; Bool_t fIsBool; TFormLeafInfoNumerical(TVirtualCollectionProxy *holder_of); TFormLeafInfoNumerical(EDataType kind); TFormLeafInfoNumerical(const TFormLeafInfoNumerical& orig); virtual TFormLeafInfo* DeepCopy() const; 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); virtual TFormLeafInfo* DeepCopy() const { return new TFormLeafInfoCollectionObject(*this); } virtual Int_t GetCounterValue(TLeaf* leaf); virtual Double_t ReadValue(char *where, Int_t instance = 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); 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 { public: Bool_t fTop; //If true, it indicates that the branch itself contains //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); virtual TFormLeafInfo* DeepCopy() const { return new TFormLeafInfoClones(*this); } virtual Int_t GetCounterValue(TLeaf* leaf); virtual Int_t ReadCounterValue(char *where); virtual Double_t ReadValue(char *where, Int_t instance = 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); 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 { public: 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; 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(); virtual TFormLeafInfo* DeepCopy() const; virtual Bool_t Update(); 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 Double_t ReadValue(char *where, Int_t instance = 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); 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(); 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); }; //______________________________________________________________________________ // // 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); TFormLeafInfoPointer(const TFormLeafInfoPointer& orig); virtual TFormLeafInfo* DeepCopy() const; virtual Double_t ReadValue(char *where, Int_t instance = 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); }; //______________________________________________________________________________ // // 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(); virtual TFormLeafInfo* DeepCopy() const; 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 Double_t ReadValue(char *where, Int_t instance = 0); 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-splitted 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),fPrimaryIndex(-1),fSecondaryIndex(-1) {} public: TFormLeafInfoMultiVarDim(TClass* classptr, Long_t offset, TStreamerElement* element, TFormLeafInfo* parent); TFormLeafInfoMultiVarDim(); TFormLeafInfoMultiVarDim(const TFormLeafInfoMultiVarDim& orig); ~TFormLeafInfoMultiVarDim(); 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 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: TFormLeafInfoMultiVarDimDirect(); TFormLeafInfoMultiVarDimDirect(const TFormLeafInfoMultiVarDimDirect& orig); virtual TFormLeafInfo* DeepCopy() const; virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); virtual Double_t ReadValue(char * /*where*/, Int_t /*instance*/ = 0); }; //______________________________________________________________________________ // // 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); TFormLeafInfoMultiVarDimCollection(); TFormLeafInfoMultiVarDimCollection(const TFormLeafInfoMultiVarDimCollection& orig); 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 Double_t ReadValue(char * /*where*/, Int_t /*instance*/ = 0); }; //______________________________________________________________________________ // // 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); TFormLeafInfoMultiVarDimClones(); TFormLeafInfoMultiVarDimClones(const TFormLeafInfoMultiVarDimClones& orig); 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 Double_t ReadValue(char * /*where*/, Int_t /*instance*/ = 0); }; //______________________________________________________________________________ // // 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(); virtual TFormLeafInfo* DeepCopy() const; // Currently only implemented in TFormLeafInfoCast virtual Int_t GetNdata(); virtual Double_t ReadValue(char *where, Int_t instance = 0); 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); ~TFormLeafInfoTTree(); virtual TFormLeafInfo* DeepCopy() const; using TFormLeafInfo::GetLocalValuePointer; using TFormLeafInfo::GetValue; virtual void *GetLocalValuePointer(TLeaf *leaf, Int_t instance = 0); virtual Double_t GetValue(TLeaf *leaf, Int_t instance = 0); virtual Double_t ReadValue(char *thisobj, Int_t instance); virtual Bool_t Update(); }; #endif /* ROOT_TFormLeafInfo */