This class registers for all classes their name, id and dictionary function in a hash table.

Classes are automatically added by the ctor of a special init class when a global of this init class is initialized when the program starts (see the ClassImp macro).

Definition at line 40 of file TClassTable.h.

Public Types
enum	{ kNoStreamer = 0x01, kNoInputOperator = 0x02, kAutoStreamer = 0x04, kHasVersion = 0x08, kHasCustomStreamerMember = 0x10 }

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
	~TClassTable ()
	TClassTable singleton is deleted in Terminate(). More...

int	Classes ()

void	Print (Option_t *option="") const
	Print the class table. More...

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

TObject &	operator= (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 void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action. More...

virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...

virtual void	Clear (Option_t *="")

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility. More...

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method. More...

virtual void	Copy (TObject &object) const
	Copy this to obj. 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 TObject *	DrawClone (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 TObject *	FindObject (const char *name) const
	Must be redefined in derived classes. More...

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes. More...

virtual Option_t *	GetDrawOption () 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 *	GetName () const
	Returns name of object. More...

virtual const char *	GetIconName () const
	Returns mime type name of object. More...

virtual Option_t *	GetOption () const

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...

virtual const char *	GetTitle () const
	Returns title of object. More...

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...

virtual ULong_t	Hash () const
	Return hash value for this object. 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...

virtual Bool_t	IsSortable () const

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout. 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...

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator 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...

Static Public Member Functions
static void	Add (const char *cname, Version_t id, const type_info &info, DictFuncPtr_t dict, Int_t pragmabits)
	Add a class to the class table (this is a static function). More...

static void	Add (TProtoClass *protoClass)
	Add a class to the class table (this is a static function). More...

static void	AddAlternate (const char normname, const char alternate)

static char *	At (UInt_t index)
	Returns class at index from sorted class table. More...

static Bool_t	Check (const char *cname, std::string &normname)

static Version_t	GetID (const char *cname)
	Returns the ID of a class. More...

static Int_t	GetPragmaBits (const char *name)
	Returns the pragma bits as specified in the LinkDef.h file. More...

static DictFuncPtr_t	GetDict (const char *cname)
	Given the class name returns the Dictionary() function of a class (uses hash of name). More...

static DictFuncPtr_t	GetDict (const type_info &info)
	Given the type_info returns the Dictionary() function of a class (uses hash of type_info::name()). More...

static DictFuncPtr_t	GetDictNorm (const char *cname)
	Given the normalized class name returns the Dictionary() function of a class (uses hash of name). More...

static TProtoClass *	GetProto (const char *cname)
	Given the class name returns the TClassProto object for the class. More...

static TProtoClass *	GetProtoNorm (const char *cname)
	Given the class normalized name returns the TClassProto object for the class. More...

static void	Init ()

static char *	Next ()
	Returns next class from sorted class table. More...

static void	PrintTable ()
	Print the class table. More...

static void	Remove (const char *cname)
	Remove a class from the class table. More...

static void	Terminate ()
	Deletes the class table (this static class function calls the dtor). More...

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...

Private Types
typedef ROOT::TMapTypeToClassRec	IdMap_t

Private Member Functions
	TClassTable ()
	TClassTable is a singleton (i.e. only one can exist per application). More...

Static Private Member Functions
static ROOT::TClassRec *	FindElementImpl (const char *cname, Bool_t insert)
	Find a class by name in the class table (using hash of name). More...

static ROOT::TClassRec *	FindElement (const char *cname, Bool_t insert=kFALSE)
	Find a class by name in the class table (using hash of name). More...

static void	SortTable ()
	Sort the class table by ascending class ID's. More...

Static Private Attributes
static ROOT::TClassAlt **	fgAlternate

static ROOT::TClassRec **	fgTable

static ROOT::TClassRec **	fgSortedTable

static IdMap_t *	fgIdMap

static UInt_t	fgSize

static UInt_t	fgTally

static Bool_t	fgSorted

static UInt_t	fgCursor

Friends
class	TROOT

void	ROOT::ResetClassVersion (TClass , const char , Short_t)

Additional Inherited Members
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...

#include <TClassTable.h>

Inheritance diagram for TClassTable:

Collaboration diagram for TClassTable:

Member Typedef Documentation

typedef ROOT::TMapTypeToClassRec TClassTable::IdMap_t

private

Definition at line 46 of file TClassTable.h.

Member Enumeration Documentation

anonymous enum

Enumerator
kNoStreamer
kNoInputOperator
kAutoStreamer
kHasVersion
kHasCustomStreamerMember

Definition at line 65 of file TClassTable.h.

Constructor & Destructor Documentation

TClassTable::TClassTable ( )

private

TClassTable is a singleton (i.e. only one can exist per application).

Definition at line 209 of file TClassTable.cxx.

TClassTable::~TClassTable ( )

TClassTable singleton is deleted in Terminate().

Definition at line 225 of file TClassTable.cxx.

Member Function Documentation

void TClassTable::Add	(	const char *	cname,
		Version_t	id,
		const type_info &	info,
		DictFuncPtr_t	dict,
		Int_t	pragmabits
	)

static

Add a class to the class table (this is a static function).

Note that the given cname must be already normalized.

Definition at line 306 of file TClassTable.cxx.

Referenced by ROOT::AddClass(), and TCling::LoadPCM().

void TClassTable::Add ( TProtoClass * protoClass )

static

Add a class to the class table (this is a static function).

Definition at line 358 of file TClassTable.cxx.

void TClassTable::AddAlternate	(	const char *	normname,
		const char *	alternate
	)

static

Definition at line 396 of file TClassTable.cxx.

Referenced by ROOT::AddClassAlternate().

char * TClassTable::At ( UInt_t index )

static

Returns class at index from sorted class table.

Don't use this iterator while modifying the class table. The class table can be modified when making calls like TClass::GetClass(), etc. Returns 0 if index points beyond last class name.

Definition at line 285 of file TClassTable.cxx.

Referenced by Cppyy::GetScopeName().

Bool_t TClassTable::Check	(	const char *	cname,
		std::string &	normname
	)

static

Definition at line 419 of file TClassTable.cxx.

Referenced by TClingLookupHelper__ExistingTypeCheck().

int TClassTable::Classes ( )

Definition at line 296 of file TClassTable.cxx.

Referenced by THtml::CreateListOfClasses(), Cppyy::GetNumScopes(), and TClassTree::Init().

TClassRec * TClassTable::FindElement	(	const char *	cname,
		Bool_t	insert = `kFALSE`
	)

staticprivate

Find a class by name in the class table (using hash of name).

Returns 0 if the class is not in the table. Unless arguments insert is true in which case a new entry is created and returned. cname can be any spelling of the class name. See FindElementImpl if the name is already normalized.

Definition at line 496 of file TClassTable.cxx.

Referenced by ROOT::ResetClassVersion().

TClassRec * TClassTable::FindElementImpl	(	const char *	cname,
		Bool_t	insert
	)

staticprivate

Find a class by name in the class table (using hash of name).

Returns 0 if the class is not in the table. Unless arguments insert is true in which case a new entry is created and returned.

Definition at line 474 of file TClassTable.cxx.

DictFuncPtr_t TClassTable::GetDict ( const char * cname )

static

Given the class name returns the Dictionary() function of a class (uses hash of name).

Definition at line 532 of file TClassTable.cxx.

Referenced by ClassImp(), RooWorkspace::CodeRepo::compileClasses(), TClass::GetClass(), TClass::GetDict(), TClass::HasDictionarySelection(), TApplication::InitializeGraphics(), TCling::LoadPCM(), and TApplication::TApplication().

DictFuncPtr_t TClassTable::GetDict ( const type_info & info )

static

Given the type_info returns the Dictionary() function of a class (uses hash of type_info::name()).

Definition at line 548 of file TClassTable.cxx.

DictFuncPtr_t TClassTable::GetDictNorm ( const char * cname )

static

Given the normalized class name returns the Dictionary() function of a class (uses hash of name).

Definition at line 564 of file TClassTable.cxx.

Referenced by TCling::AutoLoad(), TClass::GetClass(), TClass::LoadClassDefault(), and NameExistsElsewhere().

Version_t TClassTable::GetID ( const char * cname )

static

Returns the ID of a class.

Definition at line 511 of file TClassTable.cxx.

Int_t TClassTable::GetPragmaBits ( const char * name )

static

Returns the pragma bits as specified in the LinkDef.h file.

Definition at line 521 of file TClassTable.cxx.

TProtoClass * TClassTable::GetProto ( const char * cname )

static

Given the class name returns the TClassProto object for the class.

(uses hash of name).

Definition at line 580 of file TClassTable.cxx.

TProtoClass * TClassTable::GetProtoNorm ( const char * cname )

static

Given the class normalized name returns the TClassProto object for the class.

(uses hash of name).

Definition at line 596 of file TClassTable.cxx.

Referenced by TEnum::GetEnum(), TClass::GetListOfBases(), TClass::GetListOfDataMembers(), TClass::Init(), NameExistsElsewhere(), and TClingLookupHelper__ExistingTypeCheck().

void TClassTable::Init ( )

static

Definition at line 298 of file TClassTable.cxx.

Referenced by THtml::CreateListOfClasses(), cppyy::getAllClasses(), and TClassTree::Init().

char * TClassTable::Next ( )

static

Returns next class from sorted class table.

Don't use this iterator while modifying the class table. The class table can be modified when making calls like TClass::GetClass(), etc.

Definition at line 624 of file TClassTable.cxx.

Referenced by THtml::CreateListOfClasses(), cppyy::getAllClasses(), and TClassTree::Init().

void TClassTable::Print ( Option_t * option = "" ) const

virtual

Print the class table.

Before printing the table is sorted alphabetically. Only classes specified in option are listed. The default is to list all classes. Standard wildcarding notation supported.

Reimplemented from TObject.

Definition at line 244 of file TClassTable.cxx.

void TClassTable::PrintTable ( )

static

Print the class table.

Before printing the table is sorted alphabetically.

Definition at line 637 of file TClassTable.cxx.

void TClassTable::Remove ( const char * cname )

static

Remove a class from the class table.

This happens when a shared library is unloaded (i.e. the dtor's of the global init objects are called).

Definition at line 444 of file TClassTable.cxx.

Referenced by ROOT::RemoveClass().

void TClassTable::SortTable ( )

staticprivate

Sort the class table by ascending class ID's.

Definition at line 669 of file TClassTable.cxx.

void TClassTable::Terminate ( void )

static

Deletes the class table (this static class function calls the dtor).

Definition at line 688 of file TClassTable.cxx.

Friends And Related Function Documentation

void ROOT::ResetClassVersion	(	TClass *	,
		const char *	,
		Short_t
	)

friend

friend class TROOT

friend

Definition at line 43 of file TClassTable.h.

Member Data Documentation

TClassAlt ** TClassTable::fgAlternate

staticprivate

Definition at line 48 of file TClassTable.h.

UInt_t TClassTable::fgCursor

staticprivate

Definition at line 55 of file TClassTable.h.

TClassTable::IdMap_t * TClassTable::fgIdMap

staticprivate

Definition at line 51 of file TClassTable.h.

UInt_t TClassTable::fgSize

staticprivate

Definition at line 52 of file TClassTable.h.

Bool_t TClassTable::fgSorted

staticprivate

Definition at line 54 of file TClassTable.h.

TClassRec ** TClassTable::fgSortedTable

staticprivate

Definition at line 50 of file TClassTable.h.

TClassRec ** TClassTable::fgTable

staticprivate

Definition at line 49 of file TClassTable.h.

UInt_t TClassTable::fgTally

staticprivate

Definition at line 53 of file TClassTable.h.

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

core/cont/inc/TClassTable.h
core/cont/src/TClassTable.cxx

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Static Private Attributes

Friends

Additional Inherited Members

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation