ROOT::Internal::TTreeReaderGenerator Class Reference

Definition at line 86 of file TTreeReaderGenerator.h.

Public Member Functions
	TTreeReaderGenerator (TTree *tree, const char *classname, Option_t *option)
	Constructor. Analyzes the tree and writes selector. More...
Public Member Functions inherited from ROOT::Internal::TTreeGeneratorBase
	TTreeGeneratorBase (TTree *tree, const char *option)
	Constructor. More...
void	AddHeader (TClass *cl)
	Add a header inclusion request. More...
void	AddHeader (const char *classname)
	Add a header inclusion request. More...
TString	GetContainedClassName (TBranchElement *branch, TStreamerElement *element, Bool_t ispointer)
	Get name of class inside a container. More...
TVirtualStreamerInfo *	GetBaseClass (TStreamerElement *element)
	Check if element is a base class and if yes, return the base class. More...
TVirtualStreamerInfo *	GetStreamerInfo (TBranch *branch, TIter current, TClass *cl)
	Return the correct TStreamerInfo of class 'cl' in the list of branches (current) [Assuming these branches correspond to a flattened version of the class. More...

Private Member Functions
void	AddReader (TTreeReaderDescriptor::ReaderType type, TString dataType, TString name, TString branchName, TBranchDescriptor *parent=0, Bool_t isLeaf=kTRUE)
	Add a reader to the generated code. More...
UInt_t	AnalyzeBranches (TBranchDescriptor *desc, TBranchElement *branch, TVirtualStreamerInfo *info)
	Analyse sub-branches of 'branch' recursively and extract readers. More...
UInt_t	AnalyzeBranches (TBranchDescriptor *desc, TIter &branches, TVirtualStreamerInfo *info)
	Analyse sub-branches 'branches' recursively and extract readers. More...
UInt_t	AnalyzeOldBranch (TBranch *branch)
	Analyze branch and add the variables found. More...
UInt_t	AnalyzeOldLeaf (TLeaf *leaf, Int_t nleaves)
	Analyze the leaf and add the variables found. More...
Bool_t	BranchNeedsReader (TString branchName, TBranchDescriptor *parent, Bool_t isLeaf)
	Check whether a branch should have a corresponding reader added, depending on the options provided by the user. More...
void	ParseOptions ()
	Parse the user options. More...
void	AnalyzeTree (TTree *tree)
	Analyze tree and extract readers. More...
void	WriteSelector ()
	Generate code for selector class. More...

Private Attributes
TString	fClassname
TList	fListOfReaders
Bool_t	fIncludeAllLeaves
Bool_t	fIncludeAllTopmost
std::vector< TString >	fIncludeLeaves
std::vector< TString >	fIncludeStruct

Additional Inherited Members
Public Attributes inherited from ROOT::Internal::TTreeGeneratorBase
TList	fListOfHeaders
TTree *	fTree
TString	fOptionStr

#include <TTreeReaderGenerator.h>

Inheritance diagram for ROOT::Internal::TTreeReaderGenerator:

Constructor & Destructor Documentation

ROOT::Internal::TTreeReaderGenerator::TTreeReaderGenerator	(	TTree *	tree,
		const char *	classname,
		Option_t *	option
	)

Constructor. Analyzes the tree and writes selector.

Definition at line 40 of file TTreeReaderGenerator.cxx.

Member Function Documentation

void ROOT::Internal::TTreeReaderGenerator::AddReader ( TTreeReaderDescriptor::ReaderType  type, TString  dataType, TString  name, TString  branchName, TBranchDescriptor *  parent = 0, Bool_t  isLeaf = kTRUE  )

private

Add a reader to the generated code.

Definition at line 52 of file TTreeReaderGenerator.cxx.

Referenced by AnalyzeBranches(), AnalyzeOldLeaf(), and AnalyzeTree().

UInt_t ROOT::Internal::TTreeReaderGenerator::AnalyzeBranches ( TBranchDescriptor *  desc, TBranchElement *  branch, TVirtualStreamerInfo *  info  )

private

Analyse sub-branches of 'branch' recursively and extract readers.

Definition at line 84 of file TTreeReaderGenerator.cxx.

Referenced by AnalyzeBranches(), and AnalyzeTree().

UInt_t ROOT::Internal::TTreeReaderGenerator::AnalyzeBranches ( TBranchDescriptor *  desc, TIter &  branches, TVirtualStreamerInfo *  info  )

private

Analyse sub-branches 'branches' recursively and extract readers.

Definition at line 96 of file TTreeReaderGenerator.cxx.

UInt_t ROOT::Internal::TTreeReaderGenerator::AnalyzeOldBranch ( TBranch *  branch )

private

Analyze branch and add the variables found.

The number of analyzed sub-branches is returned.

Definition at line 457 of file TTreeReaderGenerator.cxx.

Referenced by AnalyzeTree().

UInt_t ROOT::Internal::TTreeReaderGenerator::AnalyzeOldLeaf ( TLeaf *  leaf, Int_t  nleaves  )

private

Analyze the leaf and add the variables found.

Definition at line 479 of file TTreeReaderGenerator.cxx.

Referenced by AnalyzeOldBranch().

void ROOT::Internal::TTreeReaderGenerator::AnalyzeTree ( TTree *  tree )

private

Analyze tree and extract readers.

Definition at line 644 of file TTreeReaderGenerator.cxx.

Referenced by TTreeReaderGenerator().

Bool_t ROOT::Internal::TTreeReaderGenerator::BranchNeedsReader ( TString  branchName, TBranchDescriptor *  parent, Bool_t  isLeaf  )

private

Check whether a branch should have a corresponding reader added, depending on the options provided by the user.

Definition at line 587 of file TTreeReaderGenerator.cxx.

Referenced by AddReader().

void ROOT::Internal::TTreeReaderGenerator::ParseOptions ( )

private

Parse the user options.

Definition at line 616 of file TTreeReaderGenerator.cxx.

Referenced by TTreeReaderGenerator().

void ROOT::Internal::TTreeReaderGenerator::WriteSelector ( )

private

Generate code for selector class.

Definition at line 782 of file TTreeReaderGenerator.cxx.

Referenced by TTreeReaderGenerator().

Member Data Documentation

TString ROOT::Internal::TTreeReaderGenerator::fClassname

private

Definition at line 88 of file TTreeReaderGenerator.h.

Referenced by WriteSelector().

Bool_t ROOT::Internal::TTreeReaderGenerator::fIncludeAllLeaves

private

Definition at line 90 of file TTreeReaderGenerator.h.

Referenced by BranchNeedsReader(), and ParseOptions().

Bool_t ROOT::Internal::TTreeReaderGenerator::fIncludeAllTopmost

private

Definition at line 91 of file TTreeReaderGenerator.h.

Referenced by BranchNeedsReader(), and ParseOptions().

std::vector<TString> ROOT::Internal::TTreeReaderGenerator::fIncludeLeaves

private

Definition at line 92 of file TTreeReaderGenerator.h.

Referenced by BranchNeedsReader(), and ParseOptions().

std::vector<TString> ROOT::Internal::TTreeReaderGenerator::fIncludeStruct

private

Definition at line 93 of file TTreeReaderGenerator.h.

Referenced by BranchNeedsReader(), and ParseOptions().

TList ROOT::Internal::TTreeReaderGenerator::fListOfReaders

private

Definition at line 89 of file TTreeReaderGenerator.h.

Referenced by AddReader(), and WriteSelector().

Collaboration diagram for ROOT::Internal::TTreeReaderGenerator:

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

• tree/treeplayer/inc/TTreeReaderGenerator.h
• tree/treeplayer/src/TTreeReaderGenerator.cxx