// @(#)root/table:$Id: TTableDescriptor.h 21566 2007-12-28 16:15:28Z brun $ // Author: Valery Fine 09/08/99 (E-mail: fine@bnl.gov) /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TTableDescriptor #define ROOT_TTableDescriptor #include "TTable.h" #include "tableDescriptor.h" class TClass; //______________________________________________________________________________ // // TTableDescriptor - run-time descriptor of the TTable object rows. //______________________________________________________________________________ class TTableDescriptor : public TTable { protected: friend class TTable; TClass *fRowClass; // TClass defining // the table row C-structure TTableDescriptor *fSecondDescriptor; // shadow descriptor // to back TTable::Streamer static TString fgCommentsName; // The name of dataset to keep the comments fields virtual void Init(TClass *classPtr); static void SetCommentsSetName(const char *name=".comments"); public: TTableDescriptor(const TTable *parentTable); TTableDescriptor(TClass *classPtr); TTableDescriptor(const TTableDescriptor &dsc):TTable(dsc),fRowClass(dsc.fRowClass),fSecondDescriptor(0){} virtual ~TTableDescriptor(); virtual Int_t AddAt(const void *c); virtual void AddAt(const void *c, Int_t i); virtual void AddAt(const tableDescriptor_st &element, const char *comment,Int_t indx); virtual void AddAt(TDataSet *dataset,Int_t idx=0); TString CreateLeafList() const; void LearnTable(const TTable *parentTable); void LearnTable(TClass *classPtr); const Char_t *ColumnName(Int_t columnIndex) const; Int_t ColumnByName(const Char_t *columnName=0) const; UInt_t NumberOfColumns() const; const UInt_t *IndexArray(Int_t columnIndex) const; UInt_t Offset(Int_t columnIndex) const; Int_t Offset(const Char_t *columnName=0) const; UInt_t ColumnSize(Int_t columnIndex) const; Int_t ColumnSize(const Char_t *columnName=0) const; UInt_t TypeSize(Int_t columnIndex) const; Int_t TypeSize(const Char_t *columnName=0) const; UInt_t Dimensions(Int_t columnIndex) const; Int_t Dimensions(const Char_t *columnName=0) const; TTable::EColumnType ColumnType(Int_t columnIndex) const; TTable::EColumnType ColumnType(const Char_t *columnName=0) const; TClass *RowClass() const; void SetOffset(UInt_t offset,Int_t column); void SetSize(UInt_t size,Int_t column); void SetTypeSize(UInt_t size,Int_t column); void SetDimensions(UInt_t dim,Int_t column); Int_t Sizeof() const; void SetColumnType(TTable::EColumnType type,Int_t column); virtual Int_t UpdateOffsets(const TTableDescriptor *newDesciptor); static TTableDescriptor *MakeDescriptor(const char *structName); TDataSet *MakeCommentField(Bool_t createFlag=kTRUE); // ClassDefTable(TTableDescriptor,tableDescriptor_st) protected: static TTableDescriptor *fgColDescriptors; virtual TTableDescriptor *GetDescriptorPointer() const; virtual void SetDescriptorPointer(TTableDescriptor *list); public: typedef tableDescriptor_st* iterator; TTableDescriptor() : TTable("TTableDescriptor",sizeof(tableDescriptor_st)), fRowClass(0), fSecondDescriptor(0) {SetType("tableDescriptor_st");} TTableDescriptor(const Text_t *name) : TTable(name,sizeof(tableDescriptor_st)), fRowClass(0), fSecondDescriptor(0) {SetType("tableDescriptor_st");} TTableDescriptor(Int_t n) : TTable("TTableDescriptor",n,sizeof(tableDescriptor_st)), fRowClass(0), fSecondDescriptor(0) {SetType("tableDescriptor_st");} TTableDescriptor(const Text_t *name,Int_t n) : TTable(name,n,sizeof(tableDescriptor_st)), fRowClass(0), fSecondDescriptor(0) {SetType("tableDescriptor_st");} tableDescriptor_st *GetTable(Int_t i=0) const { return ((tableDescriptor_st *)GetArray())+i;} tableDescriptor_st &operator[](Int_t i){ assert(i>=0 && i < GetNRows()); return *GetTable(i); } const tableDescriptor_st &operator[](Int_t i) const { assert(i>=0 && i < GetNRows()); return *((const tableDescriptor_st *)(GetTable(i))); } tableDescriptor_st *begin() const { return GetNRows()? GetTable(0):0;} tableDescriptor_st *end() const {Long_t i = GetNRows(); return i? GetTable(i):0;} static const char *TableDictionary(); ClassDef(TTableDescriptor,0) // descrpitor defining the internal layout of TTable objects }; //______________________________________________________________________________ // inline TTableDescriptor(const TTableDescriptor &dsc) : TTable(dsc), fRowClass(dsc.fRowClass),fSecondDescriptor(0){} inline const Char_t *TTableDescriptor::ColumnName(Int_t column)const {return ((tableDescriptor_st *)At(column))->fColumnName;} inline UInt_t TTableDescriptor::Offset(Int_t column) const {return ((tableDescriptor_st *)At(column))->fOffset; } inline const UInt_t *TTableDescriptor::IndexArray(Int_t column)const {return ((tableDescriptor_st *)At(column))->fIndexArray;} inline UInt_t TTableDescriptor::NumberOfColumns() const {return GetNRows(); } inline UInt_t TTableDescriptor::ColumnSize(Int_t column) const {return ((tableDescriptor_st *)At(column))->fSize; } inline UInt_t TTableDescriptor::TypeSize(Int_t column) const {return ((tableDescriptor_st *)At(column))->fTypeSize; } inline UInt_t TTableDescriptor::Dimensions(Int_t column) const {return ((tableDescriptor_st *)At(column))->fDimensions;} inline TTable::EColumnType TTableDescriptor::ColumnType(Int_t column) const {return EColumnType(((tableDescriptor_st *)At(column))->fType);} inline TClass *TTableDescriptor::RowClass() const { return fRowClass;} inline void TTableDescriptor::SetOffset(UInt_t offset,Int_t column) {((tableDescriptor_st *)At(column))->fOffset = offset;} inline void TTableDescriptor::SetSize(UInt_t size,Int_t column) {((tableDescriptor_st *)At(column))->fSize = size; } inline void TTableDescriptor::SetTypeSize(UInt_t size,Int_t column) {((tableDescriptor_st *)At(column))->fTypeSize = size; } inline void TTableDescriptor::SetDimensions(UInt_t dim,Int_t column) {((tableDescriptor_st *)At(column))->fDimensions = dim; } inline void TTableDescriptor::SetColumnType(TTable::EColumnType type,Int_t column) {((tableDescriptor_st *)At(column))->fType = type; } #endif