ROOT  6.07/01
Reference Guide
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
List of all members | Classes | Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
TLeaf Class Reference

A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.

Definition at line 37 of file TLeaf.h.

Classes

struct  GetValueHelper
 
struct  GetValueHelper< Long64_t >
 
struct  GetValueHelper< LongDouble_t >
 
struct  GetValueHelper< ULong64_t >
 

Public Types

enum  { kIndirectAddress = BIT(11), kNewValue = BIT(12) }
 
- Public Types inherited from TObject
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),
  kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
enum  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 

Public Member Functions

 TLeaf ()
 
 TLeaf (TBranch *parent, const char *name, const char *type)
 Create a Leaf. More...
 
virtual ~TLeaf ()
 Destructor. More...
 
virtual void Browse (TBrowser *b)
 Browse the content of this leaf. More...
 
virtual void Export (TClonesArray *, Int_t)
 
virtual void FillBasket (TBuffer &b)
 Pack leaf elements in Basket output buffer. More...
 
TBranchGetBranch () const
 
virtual TLeafGetLeafCount () const
 
virtual TLeafGetLeafCounter (Int_t &countval) const
 Return a pointer to the counter of this leaf. More...
 
virtual Int_t GetLen () const
 Return the number of effective elements of this leaf. More...
 
virtual Int_t GetLenStatic () const
 
virtual Int_t GetLenType () const
 
virtual Int_t GetMaximum () const
 
virtual Int_t GetMinimum () const
 
virtual Int_t GetNdata () const
 
virtual Int_t GetOffset () const
 
virtual voidGetValuePointer () const
 
virtual const char * GetTypeName () const
 
virtual Double_t GetValue (Int_t i=0) const
 
virtual Long64_t GetValueLong64 (Int_t i=0) const
 
virtual LongDouble_t GetValueLongDouble (Int_t i=0) const
 
template<typename T >
T GetTypedValue (Int_t i=0) const
 
virtual void Import (TClonesArray *, Int_t)
 
virtual Bool_t IsOnTerminalBranch () const
 
virtual Bool_t IsRange () const
 
virtual Bool_t IsUnsigned () const
 
virtual void PrintValue (Int_t i=0) const
 
virtual void ReadBasket (TBuffer &)
 
virtual void ReadBasketExport (TBuffer &, TClonesArray *, Int_t)
 
virtual void ReadValue (std::istream &, Char_t= ' ')
 
Int_t ResetAddress (void *add, Bool_t destructor=kFALSE)
 Helper routine for TLeafX::SetAddress. More...
 
virtual void SetAddress (void *add=0)
 
virtual void SetBranch (TBranch *branch)
 
virtual void SetLeafCount (TLeaf *leaf)
 Set the leaf count of this leaf. More...
 
virtual void SetLen (Int_t len=1)
 
virtual void SetOffset (Int_t offset=0)
 
virtual void SetRange (Bool_t range=kTRUE)
 
virtual void SetUnsigned ()
 
 ClassDef (TLeaf, 2)
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TString &name, const TString &title)
 
 TNamed (const TNamed &named)
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual ~TNamed ()
 
virtual void Clear (Option_t *option="")
 Set name and title to empty strings (""). More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void SetName (const char *name)
 Change (i.e. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Change (i.e. set) all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Change (i.e. set) the title of the TNamed. More...
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current pad. More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual Option_tGetOption () const
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 
voidoperator new (size_t sz)
 
voidoperator new[] (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz, void *vp)
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
void ResetBit (UInt_t f)
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
void InvertBit (UInt_t f)
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 

Protected Member Functions

 TLeaf (const TLeaf &)
 Pointer to supporting branch (we do not own the branch) More...
 
TLeafoperator= (const TLeaf &)
 Assignment operator. More...
 
- Protected Member Functions inherited from TObject
void MakeZombie ()
 
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 

Protected Attributes

Int_t fNdata
 
Int_t fLen
 Number of elements in fAddress data buffer. More...
 
Int_t fLenType
 
Int_t fOffset
 
Bool_t fIsRange
 
Bool_t fIsUnsigned
 
TLeaffLeafCount
 
TBranchfBranch
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 

Additional Inherited Members

- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 

#include <TLeaf.h>

Inheritance diagram for TLeaf:
[legend]

Member Enumeration Documentation

anonymous enum
Enumerator
kIndirectAddress 
kNewValue 

Definition at line 58 of file TLeaf.h.

Constructor & Destructor Documentation

TLeaf::TLeaf ( const TLeaf lf)
protected

Pointer to supporting branch (we do not own the branch)

Copy constructor.

Definition at line 73 of file TLeaf.cxx.

TLeaf::TLeaf ( )
TLeaf::TLeaf ( TBranch parent,
const char *  name,
const char *  type 
)

Create a Leaf.

See the TTree and TBranch constructors for explanation of parameters.

Definition at line 48 of file TLeaf.cxx.

TLeaf::~TLeaf ( )
virtual

Destructor.

Definition at line 108 of file TLeaf.cxx.

Member Function Documentation

void TLeaf::Browse ( TBrowser b)
virtual

Browse the content of this leaf.

Reimplemented from TObject.

Definition at line 124 of file TLeaf.cxx.

TLeaf::ClassDef ( TLeaf  ,
 
)
virtual void TLeaf::Export ( TClonesArray ,
Int_t   
)
inlinevirtual

Reimplemented in TLeafI, TLeafL, TLeafB, TLeafC, TLeafD, TLeafF, TLeafO, and TLeafS.

Definition at line 68 of file TLeaf.h.

void TLeaf::FillBasket ( TBuffer b)
virtual

Pack leaf elements in Basket output buffer.

Reimplemented in TLeafObject, TLeafI, TLeafL, TLeafB, TLeafC, TLeafD, TLeafF, TLeafO, and TLeafS.

Definition at line 146 of file TLeaf.cxx.

Referenced by TBranch::FillLeavesImpl().

TBranch* TLeaf::GetBranch ( ) const
inline

Definition at line 70 of file TLeaf.h.

Referenced by TTreeCache::AddBranch(), ROOT::Internal::TTreeProxyGenerator::AnalyzeOldLeaf(), ROOT::Internal::TTreeReaderGenerator::AnalyzeOldLeaf(), TMVA::DataSetFactory::ChangeToNewTree(), ClassImp(), TTree::CloneTree(), TTree::CopyAddresses(), TTreeFormula::DefinedVariable(), TTree::Delete(), TTreeCache::DropBranch(), TTree::DropBuffers(), TTreeFormula::EvalInstance(), TTreeFormula::EvalObject(), TTreeFormula::EvalStringInstance(), TBranch::FindLeaf(), TTree::FindLeaf(), TTreeFormula::FindLeafForExpression(), TTree::GetBranch(), GetLeafCounter(), TTree::GetLeafImpl(), TTreeFormula::GetLeafWithDatamember(), TFormLeafInfoReference::GetLocalValuePointer(), TFormLeafInfoCollectionObject::GetLocalValuePointer(), TFormLeafInfoClones::GetLocalValuePointer(), TFormLeafInfoCollection::GetLocalValuePointer(), TTree::GetMaximum(), TTree::GetMinimum(), TFormLeafInfo::GetObjectAddress(), TTreeFormula::Init(), TTreeFormula::IsLeafString(), TTree::LoadBaskets(), TTreeFormula::LoadBranches(), TTreeFormula::LoadCurrentDim(), TTreePlayer::MakeClass(), TTreePlayer::MakeCode(), TTree::Notify(), TTree::OptimizeBaskets(), TTreeFormula::ParseWithLeaf(), TTree::Print(), TTreeFormula::PrintValue(), R__GetBranchPointerName(), TLeafF::ReadBasket(), TLeafD::ReadBasket(), TLeafB::ReadBasket(), TLeafO::ReadBasket(), TLeafS::ReadBasket(), TLeafI::ReadBasket(), TLeafC::ReadBasket(), TLeafL::ReadBasket(), TLeafObject::ReadBasket(), TTree::Refresh(), TTreeFormula::RegisterDimensions(), TTreeFormula::ResetDimensions(), TTreePlayer::Scan(), TTree::SetBasketSize(), TTree::SetBranchStatus(), ROOT::Detail::TBranchProxy::Setup(), TSpider::SetVariablesExpression(), TTree::Show(), TTreeFormula::SwitchToFormLeafInfo(), PyROOT::TTreeGetAttr(), and TTreeFormula::UpdateFormulaLeaves().

virtual TLeaf* TLeaf::GetLeafCount ( ) const
inlinevirtual
TLeaf * TLeaf::GetLeafCounter ( Int_t countval) const
virtual

Return a pointer to the counter of this leaf.

  • If leaf name has the form var[nelem], where nelem is alphanumeric, then if nelem is a leaf name, return countval = 1 and the pointer to the leaf named nelem, otherwise return 0.
  • If leaf name has the form var[nelem], where nelem is a non-negative integer, then return countval = nelem and a null pointer.
  • If leaf name has the form of a multi-dimensional array (e.g. var[nelem][nelem2] where nelem and nelem2 are non-negative integers) then return countval = product of all dimension sizes and a null pointer.
  • If leaf name has the form var[... (and does not match the previous 2 cases) return countval = -1 and null pointer;
  • Otherwise return countval = 1 and a null pointer.

Definition at line 165 of file TLeaf.cxx.

Referenced by RooAbsReal::attachToTree(), ClassImp(), and TLeaf().

Int_t TLeaf::GetLen ( ) const
virtual
virtual Int_t TLeaf::GetLenStatic ( ) const
inlinevirtual
virtual Int_t TLeaf::GetLenType ( ) const
inlinevirtual

Definition at line 75 of file TLeaf.h.

Referenced by TBranch::Init().

virtual Int_t TLeaf::GetMaximum ( ) const
inlinevirtual
virtual Int_t TLeaf::GetMinimum ( ) const
inlinevirtual

Reimplemented in TLeafI, TLeafL, TLeafB, TLeafC, TLeafO, and TLeafS.

Definition at line 77 of file TLeaf.h.

virtual Int_t TLeaf::GetNdata ( ) const
inlinevirtual

Reimplemented in TLeafElement.

Definition at line 78 of file TLeaf.h.

Referenced by PyROOT::TTreeGetAttr().

virtual Int_t TLeaf::GetOffset ( ) const
inlinevirtual

Definition at line 79 of file TLeaf.h.

Referenced by TBranch::SetAddress().

template<typename T >
T TLeaf::GetTypedValue ( Int_t  i = 0) const
inline

Definition at line 86 of file TLeaf.h.

virtual const char* TLeaf::GetTypeName ( ) const
inlinevirtual
Double_t TLeaf::GetValue ( Int_t  i = 0) const
inlinevirtual
virtual Long64_t TLeaf::GetValueLong64 ( Int_t  i = 0) const
inlinevirtual

Reimplemented in TLeafElement, and TLeafL.

Definition at line 84 of file TLeaf.h.

Referenced by TLeaf::GetValueHelper< Long64_t >::Exec(), and TLeaf::GetValueHelper< ULong64_t >::Exec().

virtual LongDouble_t TLeaf::GetValueLongDouble ( Int_t  i = 0) const
inlinevirtual

Reimplemented in TLeafElement, and TLeafL.

Definition at line 85 of file TLeaf.h.

Referenced by TLeaf::GetValueHelper< LongDouble_t >::Exec().

virtual void* TLeaf::GetValuePointer ( ) const
inlinevirtual
virtual void TLeaf::Import ( TClonesArray ,
Int_t   
)
inlinevirtual

Reimplemented in TLeafL, TLeafC, TLeafI, TLeafB, TLeafO, TLeafS, TLeafD, and TLeafF.

Definition at line 88 of file TLeaf.h.

Referenced by TBranchClones::Fill().

virtual Bool_t TLeaf::IsOnTerminalBranch ( ) const
inlinevirtual
virtual Bool_t TLeaf::IsRange ( ) const
inlinevirtual
virtual Bool_t TLeaf::IsUnsigned ( ) const
inlinevirtual
TLeaf & TLeaf::operator= ( const TLeaf lf)
protected

Assignment operator.

Definition at line 89 of file TLeaf.cxx.

void TLeaf::PrintValue ( Int_t  i = 0) const
inlinevirtual

Reimplemented in TLeafElement, TLeafObject, TLeafL, TLeafC, TLeafI, TLeafB, TLeafO, TLeafS, TLeafD, and TLeafF.

Definition at line 123 of file TLeaf.h.

Referenced by TTree::Show().

virtual void TLeaf::ReadBasket ( TBuffer )
inlinevirtual

Reimplemented in TLeafObject, TLeafL, TLeafC, TLeafI, TLeafB, TLeafO, TLeafS, TLeafD, and TLeafF.

Definition at line 93 of file TLeaf.h.

Referenced by TBranch::ReadLeavesImpl().

virtual void TLeaf::ReadBasketExport ( TBuffer ,
TClonesArray ,
Int_t   
)
inlinevirtual

Reimplemented in TLeafL, TLeafC, TLeafI, TLeafB, TLeafO, TLeafS, TLeafD, and TLeafF.

Definition at line 94 of file TLeaf.h.

Referenced by TBranch::GetEntryExport().

virtual void TLeaf::ReadValue ( std::istream &  ,
Char_t  = ' ' 
)
inlinevirtual

Reimplemented in TLeafL, TLeafC, TLeafI, TLeafB, TLeafO, TLeafS, TLeafD, and TLeafF.

Definition at line 95 of file TLeaf.h.

Referenced by TTree::ReadStream().

Int_t TLeaf::ResetAddress ( void addr,
Bool_t  calledFromDestructor = kFALSE 
)

Helper routine for TLeafX::SetAddress.

The return value is non-zero if we owned the old value buffer and must delete it now. The size of the value buffer is recalculated and stored, and a decision is made whether or not we own the new value buffer.

Definition at line 301 of file TLeaf.cxx.

Referenced by TLeafD::SetAddress(), TLeafF::SetAddress(), TLeafS::SetAddress(), TLeafB::SetAddress(), TLeafO::SetAddress(), TLeafC::SetAddress(), TLeafI::SetAddress(), TLeafL::SetAddress(), TLeafB::~TLeafB(), TLeafC::~TLeafC(), TLeafD::~TLeafD(), TLeafF::~TLeafF(), TLeafI::~TLeafI(), TLeafL::~TLeafL(), TLeafO::~TLeafO(), and TLeafS::~TLeafS().

void TLeaf::SetAddress ( void add = 0)
inlinevirtual
virtual void TLeaf::SetBranch ( TBranch branch)
inlinevirtual

Definition at line 100 of file TLeaf.h.

Referenced by TBranch::Init().

void TLeaf::SetLeafCount ( TLeaf leaf)
virtual

Set the leaf count of this leaf.

Reimplemented in TLeafElement.

Definition at line 337 of file TLeaf.cxx.

Referenced by TBranchClones::Init().

virtual void TLeaf::SetLen ( Int_t  len = 1)
inlinevirtual

Definition at line 102 of file TLeaf.h.

Referenced by TTreeCloner::CollectBranches(), and TBranchClones::Init().

virtual void TLeaf::SetOffset ( Int_t  offset = 0)
inlinevirtual

Definition at line 103 of file TLeaf.h.

Referenced by TBranchClones::Init(), and TBranch::Init().

virtual void TLeaf::SetRange ( Bool_t  range = kTRUE)
inlinevirtual

Definition at line 104 of file TLeaf.h.

Referenced by GetLeafCounter().

virtual void TLeaf::SetUnsigned ( )
inlinevirtual

Definition at line 105 of file TLeaf.h.

Referenced by TBranch::Init().

Member Data Documentation

TBranch* TLeaf::fBranch
protected
Bool_t TLeaf::fIsRange
protected

Definition at line 45 of file TLeaf.h.

Referenced by IsRange(), operator=(), and SetRange().

Bool_t TLeaf::fIsUnsigned
protected
TLeaf* TLeaf::fLeafCount
protected
Int_t TLeaf::fLen
protected
Int_t TLeaf::fLenType
protected
Int_t TLeaf::fNdata
protected
Int_t TLeaf::fOffset
protected
Collaboration diagram for TLeaf:
[legend]

The documentation for this class was generated from the following files: