Logo ROOT   6.11/01
Reference Guide
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 32 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  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
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)
}
 

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
 
template<typename T >
GetTypedValue (Int_t i=0) 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
 
virtual voidGetValuePointer () 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 ()
 
- 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)
 TNamed copy ctor. 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 ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. 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...
 
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 selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. 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 void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. 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 const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. 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...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
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...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. 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...
 
void ResetBit (UInt_t f)
 
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...
 
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)
 
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 SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
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 void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. 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...
 

Protected Member Functions

 TLeaf (const TLeaf &)
 Copy constructor. More...
 
TLeafoperator= (const TLeaf &)
 Assignment operator. More...
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
void MakeZombie ()
 

Protected Attributes

TBranchfBranch
 ! Pointer to supporting branch (we do not own the branch) More...
 
Bool_t fIsRange
 (=kTRUE if leaf has a range, kFALSE otherwise) More...
 
Bool_t fIsUnsigned
 (=kTRUE if unsigned, kFALSE otherwise) More...
 
TLeaffLeafCount
 Pointer to Leaf count if variable length (we do not own the counter) More...
 
Int_t fLen
 Number of fixed length elements. More...
 
Int_t fLenType
 Number of bytes for this data type. More...
 
Int_t fNdata
 ! Number of elements in fAddress data buffer More...
 
Int_t fOffset
 Offset in ClonesArray object (if one) More...
 
- 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 Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only 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 

Data member is a pointer to an array of basic types.

kNewValue 

Set if we own the value buffer and so must delete it ourselves.

Definition at line 53 of file TLeaf.h.

Constructor & Destructor Documentation

TLeaf::TLeaf ( const TLeaf lf)
protected

Copy constructor.

Definition at line 75 of file TLeaf.cxx.

TLeaf::TLeaf ( )

Definition at line 32 of file TLeaf.cxx.

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 50 of file TLeaf.cxx.

TLeaf::~TLeaf ( )
virtual

Destructor.

Definition at line 110 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 126 of file TLeaf.cxx.

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

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

Definition at line 63 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 149 of file TLeaf.cxx.

TBranch* TLeaf::GetBranch ( ) const
inline

Definition at line 65 of file TLeaf.h.

virtual TLeaf* TLeaf::GetLeafCount ( ) const
inlinevirtual

Definition at line 66 of file TLeaf.h.

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 168 of file TLeaf.cxx.

Int_t TLeaf::GetLen ( ) const
virtual

Return the number of effective elements of this leaf.

Reimplemented in TLeafElement.

Definition at line 279 of file TLeaf.cxx.

virtual Int_t TLeaf::GetLenStatic ( ) const
inlinevirtual

Definition at line 69 of file TLeaf.h.

virtual Int_t TLeaf::GetLenType ( ) const
inlinevirtual

Definition at line 70 of file TLeaf.h.

virtual Int_t TLeaf::GetMaximum ( ) const
inlinevirtual

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

Definition at line 71 of file TLeaf.h.

virtual Int_t TLeaf::GetMinimum ( ) const
inlinevirtual

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

Definition at line 72 of file TLeaf.h.

virtual Int_t TLeaf::GetNdata ( ) const
inlinevirtual

Reimplemented in TLeafElement.

Definition at line 73 of file TLeaf.h.

virtual Int_t TLeaf::GetOffset ( ) const
inlinevirtual

Definition at line 74 of file TLeaf.h.

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

Definition at line 81 of file TLeaf.h.

virtual const char* TLeaf::GetTypeName ( ) const
inlinevirtual

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

Definition at line 76 of file TLeaf.h.

Double_t TLeaf::GetValue ( Int_t  i = 0) const
inlinevirtual

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

Definition at line 117 of file TLeaf.h.

virtual Long64_t TLeaf::GetValueLong64 ( Int_t  i = 0) const
inlinevirtual

Reimplemented in TLeafElement, and TLeafL.

Definition at line 79 of file TLeaf.h.

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

Reimplemented in TLeafElement, and TLeafL.

Definition at line 80 of file TLeaf.h.

virtual void* TLeaf::GetValuePointer ( ) const
inlinevirtual

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

Definition at line 75 of file TLeaf.h.

virtual void TLeaf::Import ( TClonesArray ,
Int_t   
)
inlinevirtual

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

Definition at line 83 of file TLeaf.h.

virtual Bool_t TLeaf::IsOnTerminalBranch ( ) const
inlinevirtual

Reimplemented in TLeafElement, and TLeafObject.

Definition at line 84 of file TLeaf.h.

virtual Bool_t TLeaf::IsRange ( ) const
inlinevirtual

Definition at line 85 of file TLeaf.h.

virtual Bool_t TLeaf::IsUnsigned ( ) const
inlinevirtual

Definition at line 86 of file TLeaf.h.

TLeaf & TLeaf::operator= ( const TLeaf lf)
protected

Assignment operator.

Definition at line 91 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 118 of file TLeaf.h.

virtual void TLeaf::ReadBasket ( TBuffer )
inlinevirtual

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

Definition at line 88 of file TLeaf.h.

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

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

Definition at line 89 of file TLeaf.h.

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

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

Definition at line 90 of file TLeaf.h.

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 304 of file TLeaf.cxx.

void TLeaf::SetAddress ( void add = 0)
inlinevirtual

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

Definition at line 119 of file TLeaf.h.

virtual void TLeaf::SetBranch ( TBranch branch)
inlinevirtual

Definition at line 95 of file TLeaf.h.

void TLeaf::SetLeafCount ( TLeaf leaf)
virtual

Set the leaf count of this leaf.

Reimplemented in TLeafElement.

Definition at line 340 of file TLeaf.cxx.

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

Definition at line 97 of file TLeaf.h.

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

Definition at line 98 of file TLeaf.h.

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

Definition at line 99 of file TLeaf.h.

virtual void TLeaf::SetUnsigned ( )
inlinevirtual

Definition at line 100 of file TLeaf.h.

Member Data Documentation

TBranch* TLeaf::fBranch
protected

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

Definition at line 43 of file TLeaf.h.

Bool_t TLeaf::fIsRange
protected

(=kTRUE if leaf has a range, kFALSE otherwise)

Definition at line 40 of file TLeaf.h.

Bool_t TLeaf::fIsUnsigned
protected

(=kTRUE if unsigned, kFALSE otherwise)

Definition at line 41 of file TLeaf.h.

TLeaf* TLeaf::fLeafCount
protected

Pointer to Leaf count if variable length (we do not own the counter)

Definition at line 42 of file TLeaf.h.

Int_t TLeaf::fLen
protected

Number of fixed length elements.

Definition at line 37 of file TLeaf.h.

Int_t TLeaf::fLenType
protected

Number of bytes for this data type.

Definition at line 38 of file TLeaf.h.

Int_t TLeaf::fNdata
protected

! Number of elements in fAddress data buffer

Definition at line 36 of file TLeaf.h.

Int_t TLeaf::fOffset
protected

Offset in ClonesArray object (if one)

Definition at line 39 of file TLeaf.h.

Libraries for TLeaf:
[legend]

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