A class that parses all parameters for TTree::Draw().
See TTree::Draw() for the format description.
Definition at line 29 of file TTreeDrawArgsParser.h.
Public Types | |
| enum | EOutputType {  kUNKNOWN , kEVENTLIST , kENTRYLIST , kPROFILE , kPROFILE2D , kGRAPH , kPOLYMARKER3D , kHISTOGRAM1D , kHISTOGRAM2D , kLISTOFGRAPHS , kLISTOFPOLYMARKERS3D , kHISTOGRAM3D }  | 
  Public Types inherited from TObject | |
| enum | {  kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }  | 
| enum | { kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) } | 
| enum | EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) } | 
| enum | EStatusBits {  kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }  | 
Public Member Functions | |
| TTreeDrawArgsParser () | |
| Constructor - cleans all the class variables.   | |
| ~TTreeDrawArgsParser () | |
| Destructor.   | |
| Bool_t | GetAdd () const | 
| Int_t | GetDimension () const | 
| TString const & | GetExp () const | 
| Double_t | GetIfSpecified (Int_t num, Double_t def) const | 
| Int_t | GetNoParameters () const | 
| TString const & | GetObjectName () const | 
| TString | GetObjectTitle () const | 
| Returns the desired plot title.   | |
| Bool_t | GetOptionSame () const | 
| TObject * | GetOriginal () const | 
| Double_t | GetParameter (int num) const | 
| returns num-th parameter from brackets in the expression in case of an error (wrong number) returns 0.0 num - number of parameter (counted from 0)   | |
| TString | GetProofSelectorName () const | 
| Returns appropriate TSelector class name for proof for the object that is to be drawn assumes that Parse() method has been called before.   | |
| TString const & | GetSelection () const | 
| Bool_t | GetShouldDraw () const | 
| TString | GetVarExp () const | 
| Returns the variable string, i.e. [var1[:var2[:var2[:var4]]]].   | |
| TString | GetVarExp (Int_t num) const | 
| Returns the num-th variable string in case of an error prints an error message and returns an empty string.   | |
| virtual TClass * | IsA () const | 
| Bool_t | IsSpecified (int num) const | 
| returns kTRUE if the num-th parameter was specified otherwise returns fFALSE in case of an error (wrong num) prints an error message and returns kFALSE.   | |
| Bool_t | Parse (const char *varexp, const char *selection, Option_t *option) | 
| Parses parameters from TTree::Draw().   | |
| void | SetObjectName (const char *s) | 
| void | SetOriginal (TObject *o) | 
| virtual void | Streamer (TBuffer &) | 
| Stream an object of class TObject.   | |
| void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) | 
  Public Member Functions inherited from TObject | |
| TObject () | |
| TObject constructor.   | |
| TObject (const TObject &object) | |
| TObject copy ctor.   | |
| virtual | ~TObject () | 
| TObject destructor.   | |
| void | AbstractMethod (const char *method) const | 
| Use this method to implement an "abstract" method that you don't want to leave purely abstract.   | |
| virtual void | AppendPad (Option_t *option="") | 
| Append graphics object to current pad.   | |
| virtual void | Browse (TBrowser *b) | 
| Browse object. May be overridden for another default action.   | |
| ULong_t | CheckedHash () | 
| Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.   | |
| virtual const char * | ClassName () const | 
| Returns name of class to which the object belongs.   | |
| virtual void | Clear (Option_t *="") | 
| virtual TObject * | Clone (const char *newname="") const | 
| Make a clone of an object using the Streamer facility.   | |
| virtual Int_t | Compare (const TObject *obj) const | 
| Compare abstract method.   | |
| virtual void | Copy (TObject &object) const | 
| Copy this to obj.   | |
| virtual void | Delete (Option_t *option="") | 
| Delete this object.   | |
| virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) | 
| Computes distance from point (px,py) to the object.   | |
| virtual void | Draw (Option_t *option="") | 
| Default Draw method for all objects.   | |
| virtual void | DrawClass () const | 
| Draw class inheritance tree of the class to which this object belongs.   | |
| virtual TObject * | DrawClone (Option_t *option="") const | 
Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).   | |
| virtual void | Dump () const | 
| Dump contents of object on stdout.   | |
| virtual void | Error (const char *method, const char *msgfmt,...) const | 
| Issue error message.   | |
| virtual void | Execute (const char *method, const char *params, Int_t *error=nullptr) | 
| Execute method on this object with the given parameter string, e.g.   | |
| virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr) | 
| Execute method on this object with parameters stored in the TObjArray.   | |
| virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) | 
| Execute action corresponding to an event at (px,py).   | |
| virtual void | Fatal (const char *method, const char *msgfmt,...) const | 
| Issue fatal error message.   | |
| virtual TObject * | FindObject (const char *name) const | 
| Must be redefined in derived classes.   | |
| virtual TObject * | FindObject (const TObject *obj) const | 
| Must be redefined in derived classes.   | |
| virtual Option_t * | GetDrawOption () const | 
| Get option used by the graphics system to draw this object.   | |
| virtual const char * | GetIconName () const | 
| Returns mime type name of object.   | |
| virtual const char * | GetName () const | 
| Returns name of object.   | |
| virtual char * | GetObjectInfo (Int_t px, Int_t py) const | 
| Returns string containing info about the object at position (px,py).   | |
| virtual Option_t * | GetOption () const | 
| virtual const char * | GetTitle () const | 
| Returns title of object.   | |
| virtual UInt_t | GetUniqueID () const | 
| Return the unique object id.   | |
| virtual Bool_t | HandleTimer (TTimer *timer) | 
| Execute action in response of a timer timing out.   | |
| virtual ULong_t | Hash () const | 
| Return hash value for this object.   | |
| Bool_t | HasInconsistentHash () const | 
| Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.   | |
| virtual void | Info (const char *method, const char *msgfmt,...) const | 
| Issue info message.   | |
| virtual Bool_t | InheritsFrom (const char *classname) const | 
| Returns kTRUE if object inherits from class "classname".   | |
| virtual Bool_t | InheritsFrom (const TClass *cl) const | 
| Returns kTRUE if object inherits from TClass cl.   | |
| virtual void | Inspect () const | 
| Dump contents of this object in a graphics canvas.   | |
| void | InvertBit (UInt_t f) | 
| Bool_t | IsDestructed () const | 
| IsDestructed.   | |
| virtual Bool_t | IsEqual (const TObject *obj) const | 
| Default equal comparison (objects are equal if they have the same address in memory).   | |
| virtual Bool_t | IsFolder () const | 
| Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).   | |
| R__ALWAYS_INLINE Bool_t | IsOnHeap () const | 
| virtual Bool_t | IsSortable () const | 
| R__ALWAYS_INLINE Bool_t | IsZombie () const | 
| virtual void | ls (Option_t *option="") const | 
| The ls function lists the contents of a class on stdout.   | |
| 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).   | |
| virtual Bool_t | Notify () | 
| This method must be overridden to handle object notification.   | |
| void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const | 
| Use this method to declare a method obsolete.   | |
| void | operator delete (void *ptr) | 
| Operator delete.   | |
| void | operator delete[] (void *ptr) | 
| Operator delete [].   | |
| void * | operator new (size_t sz) | 
| void * | operator new (size_t sz, void *vp) | 
| void * | operator new[] (size_t sz) | 
| void * | operator new[] (size_t sz, void *vp) | 
| TObject & | operator= (const TObject &rhs) | 
| TObject assignment operator.   | |
| virtual void | Paint (Option_t *option="") | 
| This method must be overridden if a class wants to paint itself.   | |
| virtual void | Pop () | 
| Pop on object drawn in a pad to the top of the display list.   | |
| virtual void | Print (Option_t *option="") const | 
| This method must be overridden when a class wants to print itself.   | |
| virtual Int_t | Read (const char *name) | 
| Read contents of object with specified name from the current directory.   | |
| virtual void | RecursiveRemove (TObject *obj) | 
| Recursively remove this object from a list.   | |
| void | ResetBit (UInt_t f) | 
| virtual void | SaveAs (const char *filename="", Option_t *option="") const | 
| Save this object in the file specified by filename.   | |
| virtual void | SavePrimitive (std::ostream &out, Option_t *option="") | 
| Save a primitive as a C++ statement(s) on output stream "out".   | |
| void | SetBit (UInt_t f) | 
| void | SetBit (UInt_t f, Bool_t set) | 
| Set or unset the user status bits as specified in f.   | |
| virtual void | SetDrawOption (Option_t *option="") | 
| Set drawing option for object.   | |
| virtual void | SetUniqueID (UInt_t uid) | 
| Set the unique object id.   | |
| void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) | 
| virtual void | SysError (const char *method, const char *msgfmt,...) const | 
| Issue system error message.   | |
| R__ALWAYS_INLINE Bool_t | TestBit (UInt_t f) const | 
| Int_t | TestBits (UInt_t f) const | 
| virtual void | UseCurrentStyle () | 
| Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.   | |
| virtual void | Warning (const char *method, const char *msgfmt,...) const | 
| Issue warning message.   | |
| virtual Int_t | Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) | 
| Write this object to the current directory.   | |
| virtual Int_t | Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const | 
| Write this object to the current directory.   | |
Static Public Member Functions | |
| static TClass * | Class () | 
| static const char * | Class_Name () | 
| static constexpr Version_t | Class_Version () | 
| static const char * | DeclFileName () | 
| static Int_t | GetMaxDimension () | 
| return fgMaxDimension (cannot be inline)   | |
  Static Public Member Functions inherited from TObject | |
| static TClass * | Class () | 
| static const char * | Class_Name () | 
| static constexpr Version_t | Class_Version () | 
| static const char * | DeclFileName () | 
| static Longptr_t | GetDtorOnly () | 
| Return destructor only flag.   | |
| static Bool_t | GetObjectStat () | 
| Get status of object stat flag.   | |
| static void | SetDtorOnly (void *obj) | 
| Set destructor only flag.   | |
| static void | SetObjectStat (Bool_t stat) | 
| Turn on/off tracking of objects in the TObjectTable.   | |
Static Public Attributes | |
| static Int_t | fgMaxDimension = 4 | 
| = 4   | |
| static Int_t | fgMaxParameters = 9 | 
| = 9   | |
Protected Member Functions | |
| void | ClearPrevious () | 
| Resets all the variables of the class.   | |
| TTreeDrawArgsParser::EOutputType | DefineType () | 
| Put the type of the draw result into fOutputType and return it.   | |
| Bool_t | ParseName (TString name) | 
| Syntax:   | |
| Bool_t | ParseOption () | 
| Check if options contain some data important for choosing the type of the drawn object.   | |
| Bool_t | ParseVarExp () | 
| Split variables and parse name and parameters in brackets.   | |
| Bool_t | SplitVariables (TString variables) | 
| Parse expression [var1 [:var2 [:var3] ...]], number of variables cannot be greater than fgMaxDimension.   | |
  Protected Member Functions inherited from TObject | |
| virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const | 
| Interface to ErrorHandler (protected).   | |
| void | MakeZombie () | 
Protected Attributes | |
| Bool_t | fAdd | 
| Values should be added to an existing object.   | |
| Int_t | fDimension | 
| Dimension of the histogram/plot.   | |
| Bool_t | fDrawProfile | 
| True if the options contain :"prof".   | |
| Bool_t | fEntryList | 
| If fill a TEntryList.   | |
| TString | fExp | 
| Complete variable expression.   | |
| TString | fName | 
| Histogram's/plot's name.   | |
| Int_t | fNoParameters | 
| If dimensions of the plot was specified.   | |
| TString | fOption | 
| Draw options.   | |
| Bool_t | fOptionSame | 
| If option contained "same".   | |
| TObject * | fOriginal | 
| Original plot (if it is to be reused)   | |
| EOutputType | fOutputType | 
| Type of the output.   | |
| Bool_t | fParameterGiven [9] | 
| True if the parameter was given, otherwise false.   | |
| Double_t | fParameters [9] | 
| Parameters in brackets.   | |
| TString | fSelection | 
| Selection expression.   | |
| Bool_t | fShouldDraw | 
| If to draw the plot.   | |
| TString | fVarExp [4] | 
| Variable expression 0 - X, 1 - Y, 2 - Z, 3 - W If dimension < fgMaxDimension then some Expressions are empty.   | |
Additional Inherited Members | |
  Protected Types inherited from TObject | |
| enum | { kOnlyPrepStep = (1ULL << ( 3 )) } | 
#include <TTreeDrawArgsParser.h>
| Enumerator | |
|---|---|
| kUNKNOWN | |
| kEVENTLIST | |
| kENTRYLIST | |
| kPROFILE | |
| kPROFILE2D | |
| kGRAPH | |
| kPOLYMARKER3D | |
| kHISTOGRAM1D | |
| kHISTOGRAM2D | |
| kLISTOFGRAPHS | |
| kLISTOFPOLYMARKERS3D | |
| kHISTOGRAM3D | |
Definition at line 32 of file TTreeDrawArgsParser.h.
| TTreeDrawArgsParser::TTreeDrawArgsParser | ( | ) | 
Constructor - cleans all the class variables.
Definition at line 30 of file TTreeDrawArgsParser.cxx.
| TTreeDrawArgsParser::~TTreeDrawArgsParser | ( | ) | 
Destructor.
Definition at line 38 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 106 of file TTreeDrawArgsParser.h.
      
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Resets all the variables of the class.
Definition at line 53 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 106 of file TTreeDrawArgsParser.h.
      
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Put the type of the draw result into fOutputType and return it.
Definition at line 266 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 86 of file TTreeDrawArgsParser.h.
      
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Definition at line 87 of file TTreeDrawArgsParser.h.
      
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Definition at line 89 of file TTreeDrawArgsParser.h.
Definition at line 366 of file TTreeDrawArgsParser.cxx.
      
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return fgMaxDimension (cannot be inline)
Definition at line 45 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 91 of file TTreeDrawArgsParser.h.
      
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Definition at line 94 of file TTreeDrawArgsParser.h.
| TString TTreeDrawArgsParser::GetObjectTitle | ( | ) | const | 
Returns the desired plot title.
Definition at line 421 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 96 of file TTreeDrawArgsParser.h.
      
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Definition at line 97 of file TTreeDrawArgsParser.h.
returns num-th parameter from brackets in the expression in case of an error (wrong number) returns 0.0 num - number of parameter (counted from 0)
Definition at line 350 of file TTreeDrawArgsParser.cxx.
| TString TTreeDrawArgsParser::GetProofSelectorName | ( | ) | const | 
Returns appropriate TSelector class name for proof for the object that is to be drawn assumes that Parse() method has been called before.
Definition at line 315 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 98 of file TTreeDrawArgsParser.h.
      
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Definition at line 88 of file TTreeDrawArgsParser.h.
| TString TTreeDrawArgsParser::GetVarExp | ( | ) | const | 
Returns the variable string, i.e. [var1[:var2[:var2[:var4]]]].
Definition at line 405 of file TTreeDrawArgsParser.cxx.
Returns the num-th variable string in case of an error prints an error message and returns an empty string.
Definition at line 393 of file TTreeDrawArgsParser.cxx.
      
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Reimplemented from TObject.
Definition at line 106 of file TTreeDrawArgsParser.h.
returns kTRUE if the num-th parameter was specified otherwise returns fFALSE in case of an error (wrong num) prints an error message and returns kFALSE.
Definition at line 380 of file TTreeDrawArgsParser.cxx.
| Bool_t TTreeDrawArgsParser::Parse | ( | const char * | varexp, | 
| const char * | selection, | ||
| Option_t * | option | ||
| ) | 
Parses parameters from TTree::Draw().
Definition at line 237 of file TTreeDrawArgsParser.cxx.
Syntax:
[' '*][[\+][' '*]name[(num1 [, [num2] ] [, [num3] ] ...)]]
num's are floating point numbers sets the fileds fNoParameters, fParameterGiven, fParameters, fAdd, fName to appropriate values.
Returns kFALSE in case of an error.
Definition at line 131 of file TTreeDrawArgsParser.cxx.
      
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Check if options contain some data important for choosing the type of the drawn object.
Definition at line 212 of file TTreeDrawArgsParser.cxx.
      
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Split variables and parse name and parameters in brackets.
Definition at line 186 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 102 of file TTreeDrawArgsParser.h.
      
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Definition at line 103 of file TTreeDrawArgsParser.h.
Parse expression [var1 [:var2 [:var3] ...]], number of variables cannot be greater than fgMaxDimension.
A colon which is followed by (or that follows) another semicolon is not regarded as a separator.
If there are more separating : than fgMaxDimension - 1 then all characters after (fgMaxDimension - 1)th colon is put into the last variable.
fDimension := <number of variables>fVarExp[0] := <first variable string>fVarExp[1] := <second variable string> .. Returns kFALSE in case of an error. Definition at line 95 of file TTreeDrawArgsParser.cxx.
      
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Definition at line 106 of file TTreeDrawArgsParser.h.
      
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Values should be added to an existing object.
Definition at line 60 of file TTreeDrawArgsParser.h.
      
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Dimension of the histogram/plot.
Definition at line 55 of file TTreeDrawArgsParser.h.
      
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True if the options contain :"prof".
Definition at line 71 of file TTreeDrawArgsParser.h.
      
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If fill a TEntryList.
Definition at line 69 of file TTreeDrawArgsParser.h.
      
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Complete variable expression.
Definition at line 51 of file TTreeDrawArgsParser.h.
      
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= 4
Definition at line 47 of file TTreeDrawArgsParser.h.
      
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= 9
Definition at line 48 of file TTreeDrawArgsParser.h.
      
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Histogram's/plot's name.
Definition at line 61 of file TTreeDrawArgsParser.h.
      
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If dimensions of the plot was specified.
Definition at line 63 of file TTreeDrawArgsParser.h.
      
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Draw options.
Definition at line 53 of file TTreeDrawArgsParser.h.
      
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If option contained "same".
Definition at line 68 of file TTreeDrawArgsParser.h.
      
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Original plot (if it is to be reused)
Definition at line 70 of file TTreeDrawArgsParser.h.
      
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Type of the output.
Definition at line 72 of file TTreeDrawArgsParser.h.
      
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True if the parameter was given, otherwise false.
Definition at line 64 of file TTreeDrawArgsParser.h.
      
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Parameters in brackets.
Definition at line 65 of file TTreeDrawArgsParser.h.
      
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Selection expression.
Definition at line 52 of file TTreeDrawArgsParser.h.
      
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If to draw the plot.
Definition at line 67 of file TTreeDrawArgsParser.h.
      
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Variable expression 0 - X, 1 - Y, 2 - Z, 3 - W If dimension < fgMaxDimension then some Expressions are empty.
Definition at line 56 of file TTreeDrawArgsParser.h.