class description - source file - inheritance tree

class TClassTable : public TObject

TClassTable TClassTable() ClassRec_t* FindElement(const char* cname, Bool_t insert = kFALSE) void SortTable() public:
TClassTable TClassTable(TClassTable&) virtual void ~TClassTable() void Add(const char* cname, Version_t id, VoidFuncPtr_t dict) TClass* Class() int Classes() VoidFuncPtr_t GetDict(const char* cname) Version_t GetID(const char* cname) void Init() virtual TClass* IsA() const char* Next() virtual void Print(Option_t* option) void PrintTable() void Remove(const char* cname) virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void Terminate()

Data Members

static ClassRec_t** fgTable static ClassRec_t** fgSortedTable static int fgSize static int fgTally static Bool_t fgSorted static int fgCursor

Class Description

 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).        

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

 TClassTable singleton is deleted in Terminate().

void Print(Option_t *)
 Print the class table.

int Classes()

void Init()

void Add(const char *cname, Version_t id, VoidFuncPtr_t dict)
 Add a class to the class table (this is a static function).

void Remove(const char *cname)
 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).

ClassRec_t* FindElement(const char *cname, Bool_t insert)
 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.

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

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

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

void PrintTable()
 Print the class table. Before printing the table is sorted

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

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

Inline Functions

            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
        TClassTable TClassTable(TClassTable&)

Author: Fons Rademakers 11/08/95
Last update: 1.03/09 06/12/97 19.28.51 by Fons Rademakers
Copyright (c) 1995-1999, The ROOT System, All rights reserved. *

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