ROOT::Internal::TTreeReaderGenerator Class Reference

Definition at line 85 of file TTreeReaderGenerator.h.

Public Member Functions
	TTreeReaderGenerator (TTree *tree, const char *classname, Option_t *option)
	Constructor. Analyzes the tree and writes selector.
Public Member Functions inherited from ROOT::Internal::TTreeGeneratorBase
	TTreeGeneratorBase (TTree *tree, const char *option)
	Constructor.
void	AddHeader (const char *classname)
	Add a header inclusion request.
void	AddHeader (TClass *cl)
	Add a header inclusion request.
TVirtualStreamerInfo *	GetBaseClass (TStreamerElement *element)
	Check if element is a base class and if yes, return the base class.
TString	GetContainedClassName (TBranchElement *branch, TStreamerElement *element, Bool_t ispointer)
	Get name of class inside a container.
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.

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.
UInt_t	AnalyzeBranches (TBranchDescriptor *desc, TBranchElement *branch, TVirtualStreamerInfo *info)
	Analyse sub-branches of 'branch' recursively and extract readers.
UInt_t	AnalyzeBranches (TBranchDescriptor *desc, TIter &branches, TVirtualStreamerInfo *info)
	Analyse sub-branches 'branches' recursively and extract readers.
UInt_t	AnalyzeOldBranch (TBranch *branch)
	Analyze branch and add the variables found.
UInt_t	AnalyzeOldLeaf (TLeaf *leaf, Int_t nleaves)
	Analyze the leaf and add the variables found.
void	AnalyzeTree (TTree *tree)
	Analyze tree and extract readers.
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.
void	ParseOptions ()
	Parse the user options.
void	WriteSelector ()
	Generate code for selector class.

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

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

#include <TTreeReaderGenerator.h>

Inheritance diagram for ROOT::Internal::TTreeReaderGenerator:

Constructor & Destructor Documentation

TTreeReaderGenerator()

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

Constructor. Analyzes the tree and writes selector.

Definition at line 41 of file TTreeReaderGenerator.cxx.

Member Function Documentation

AddReader()

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 53 of file TTreeReaderGenerator.cxx.

AnalyzeBranches() [1/2]

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 85 of file TTreeReaderGenerator.cxx.

AnalyzeBranches() [2/2]

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

private

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

Definition at line 97 of file TTreeReaderGenerator.cxx.

AnalyzeOldBranch()

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 458 of file TTreeReaderGenerator.cxx.

AnalyzeOldLeaf()

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

private

Analyze the leaf and add the variables found.

Definition at line 480 of file TTreeReaderGenerator.cxx.

AnalyzeTree()

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

private

Analyze tree and extract readers.

Definition at line 645 of file TTreeReaderGenerator.cxx.

BranchNeedsReader()

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 588 of file TTreeReaderGenerator.cxx.

ParseOptions()

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

private

Parse the user options.

Definition at line 617 of file TTreeReaderGenerator.cxx.

WriteSelector()

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

private

Generate code for selector class.

Definition at line 783 of file TTreeReaderGenerator.cxx.

Member Data Documentation

fClassname

TString ROOT::Internal::TTreeReaderGenerator::fClassname

private

Definition at line 87 of file TTreeReaderGenerator.h.

fIncludeAllLeaves

Bool_t ROOT::Internal::TTreeReaderGenerator::fIncludeAllLeaves

private

Definition at line 89 of file TTreeReaderGenerator.h.

fIncludeAllTopmost

Bool_t ROOT::Internal::TTreeReaderGenerator::fIncludeAllTopmost

private

Definition at line 90 of file TTreeReaderGenerator.h.

fIncludeLeaves

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

private

Definition at line 91 of file TTreeReaderGenerator.h.

fIncludeStruct

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

private

Definition at line 92 of file TTreeReaderGenerator.h.

fListOfReaders

TList ROOT::Internal::TTreeReaderGenerator::fListOfReaders

private

Definition at line 88 of file TTreeReaderGenerator.h.

Libraries 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