A TSystemFile describes an operating system file.

The information is used by the browser (see TBrowser).

Definition at line 29 of file TSystemFile.h.

Public Member Functions
	TSystemFile ()
	TSystemFile default constructor.

	TSystemFile (const char filename, const char dirname)
	TSystemFile normal constructor.

virtual	~TSystemFile ()
	Delete TSystemFile object.

void	Browse (TBrowser *b) override
	Execute default action for this system file (action is specified in the $HOME/.root.mimes or $ROOTSYS/etc/root.mimes file.

virtual void	Copy (const char *to)
	copy this file

void	Copy (TObject &) const override
	Copy this to obj.

virtual void	Delete ()
	delete this file

void	Delete (Option_t *) override
	Delete this object.

void	DrawClass () const override
	Draw class inheritance tree of the class to which this object belongs.

TObject *	DrawClone (Option_t *) const override
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

void	Dump () const override
	dump this file

virtual void	Edit ()
	Invoke text editor on this file.

const char *	GetIconName () const override
	Returns mime type name of object.

void	Inspect () const override
	inspect this file

TClass *	IsA () const override

virtual Bool_t	IsDirectory (const char *dir=nullptr) const
	Check if object is a directory.

virtual void	Move (const char *to)
	move this file

virtual void	Rename (const char *name)
	rename this file

void	SetDrawOption (Option_t *) override
	Set drawing option for object.

virtual void	SetIconName (const char *name)

void	SetName (const char *name) override
	Set the name of the TNamed.

void	SetTitle (const char *title) override
	Set the title of the TNamed.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").

TObject *	Clone (const char *newname="") const override
	Make a clone of an object using the Streamer facility.

Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

ULong_t	Hash () const override
	Return hash value for this object.

Bool_t	IsSortable () const override

void	ls (Option_t *option="") const override
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

void	Print (Option_t *option="") const override
	Print TNamed name and title.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the 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.

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 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	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 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 UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

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.

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

R__ALWAYS_INLINE Bool_t	IsZombie () const

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 (the base implementation is no-op).

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, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

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 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	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 Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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.

Private Attributes
TString	fIconName

Additional Inherited Members
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 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

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 inherited from TNamed
TString	fName

TString	fTitle

#include <TSystemFile.h>

Inheritance diagram for TSystemFile:

[legend]

Constructor & Destructor Documentation

◆ TSystemFile() [1/2]

TSystemFile::TSystemFile ( )

TSystemFile default constructor.

Definition at line 30 of file TSystemFile.cxx.

◆ TSystemFile() [2/2]

TSystemFile::TSystemFile	(	const char *	filename,
		const char *	dirname
	)

TSystemFile normal constructor.

Definition at line 37 of file TSystemFile.cxx.

◆ ~TSystemFile()

TSystemFile::~TSystemFile ( )

virtual

Delete TSystemFile object.

Definition at line 46 of file TSystemFile.cxx.

Member Function Documentation

◆ Browse()

void TSystemFile::Browse ( TBrowser * b )

overridevirtual

Execute default action for this system file (action is specified in the $HOME/.root.mimes or $ROOTSYS/etc/root.mimes file.

Reimplemented from TObject.

Definition at line 69 of file TSystemFile.cxx.

◆ Class()

static TClass * TSystemFile::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TSystemFile::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TSystemFile::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 61 of file TSystemFile.h.

◆ Copy() [1/2]

void TSystemFile::Copy ( const char * to )

virtual

copy this file

Reimplemented in TSystemDirectory.

Definition at line 102 of file TSystemFile.cxx.

◆ Copy() [2/2]

void TSystemFile::Copy ( TObject & named ) const

inlineoverridevirtual

Copy this to obj.

Reimplemented from TNamed.

Definition at line 59 of file TSystemFile.h.

◆ DeclFileName()

static const char * TSystemFile::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 61 of file TSystemFile.h.

◆ Delete() [1/2]

void TSystemFile::Delete ( )

virtual

delete this file

Reimplemented in TSystemDirectory.

Definition at line 154 of file TSystemFile.cxx.

◆ Delete() [2/2]

void TSystemFile::Delete ( Option_t * option )

inlineoverridevirtual

Delete this object.

Typically called as a command via the interpreter. Normally use "delete" operator when object has been allocated on the heap.

Reimplemented from TObject.

Definition at line 58 of file TSystemFile.h.

◆ DrawClass()

void TSystemFile::DrawClass ( ) const

inlineoverridevirtual

Draw class inheritance tree of the class to which this object belongs.

If a class B inherits from a class A, description of B is drawn on the right side of description of A. Member functions overridden by B are shown in class A with a blue line crossing-out the corresponding member function. The following picture is the class inheritance tree of class TPaveLabel:

Reimplemented from TObject.

Definition at line 53 of file TSystemFile.h.

◆ DrawClone()

TObject * TSystemFile::DrawClone ( Option_t * option ) const

inlineoverridevirtual

Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).

If pad was not selected - gPad will be used.

Reimplemented from TObject.

Definition at line 54 of file TSystemFile.h.

◆ Dump()

void TSystemFile::Dump ( ) const

overridevirtual

dump this file

Reimplemented from TObject.

Definition at line 177 of file TSystemFile.cxx.

◆ Edit()

void TSystemFile::Edit ( )

virtual

Invoke text editor on this file.

Reimplemented in TSystemDirectory.

Definition at line 78 of file TSystemFile.cxx.

◆ GetIconName()

const char * TSystemFile::GetIconName ( ) const

inlineoverridevirtual

Returns mime type name of object.

Used by the TBrowser (via TGMimeTypes class). Override for class of which you would like to have different icons for objects of the same class.

Reimplemented from TObject.

Definition at line 45 of file TSystemFile.h.

◆ Inspect()

void TSystemFile::Inspect ( ) const

overridevirtual

inspect this file

Reimplemented from TObject.

Definition at line 170 of file TSystemFile.cxx.

◆ IsA()

TClass * TSystemFile::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TNamed.

Definition at line 61 of file TSystemFile.h.

◆ IsDirectory()

Bool_t TSystemFile::IsDirectory ( const char * dir = nullptr ) const

virtual

Check if object is a directory.

Reimplemented in TSystemDirectory.

Definition at line 53 of file TSystemFile.cxx.

◆ Move()

void TSystemFile::Move ( const char * to )

virtual

move this file

Reimplemented in TSystemDirectory.

Definition at line 125 of file TSystemFile.cxx.

◆ Rename()

void TSystemFile::Rename ( const char * name )

virtual

rename this file

Definition at line 162 of file TSystemFile.cxx.

◆ SetDrawOption()

void TSystemFile::SetDrawOption ( Option_t * option )

inlineoverridevirtual

Set drawing option for object.

This option only affects the drawing style and is stored in the option field of the TObjOptLink supporting a TPad's primitive list (TList). Note that it does not make sense to call object.SetDrawOption(option) before having called object.Draw().

Reimplemented from TObject.

Definition at line 55 of file TSystemFile.h.

◆ SetIconName()

virtual void TSystemFile::SetIconName ( const char * name )

inlinevirtual

Definition at line 44 of file TSystemFile.h.

◆ SetName()

void TSystemFile::SetName ( const char * name )

inlineoverridevirtual

Set the name of the TNamed.

WARNING: if the object is a member of a THashTable or THashList container the container must be Rehash()'ed after SetName(). For example the list of objects in the current directory is a THashList.

Reimplemented from TNamed.

Definition at line 56 of file TSystemFile.h.

◆ SetTitle()

void TSystemFile::SetTitle ( const char * title )

inlineoverridevirtual

Set the title of the TNamed.

Reimplemented from TNamed.

Definition at line 57 of file TSystemFile.h.

◆ Streamer()

void TSystemFile::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TNamed.

◆ StreamerNVirtual()

void TSystemFile::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 61 of file TSystemFile.h.

Member Data Documentation

◆ fIconName

TString TSystemFile::fIconName

private

Definition at line 31 of file TSystemFile.h.

core/base/inc/TSystemFile.h

core/base/src/TSystemFile.cxx

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TSystemFile() [1/2]

◆ TSystemFile() [2/2]

◆ ~TSystemFile()

Member Function Documentation

◆ Browse()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Copy() [1/2]

◆ Copy() [2/2]

◆ DeclFileName()

◆ Delete() [1/2]

◆ Delete() [2/2]

◆ DrawClass()

◆ DrawClone()

◆ Dump()

◆ Edit()

◆ GetIconName()

◆ Inspect()

◆ IsA()

◆ IsDirectory()

◆ Move()

◆ Rename()

◆ SetDrawOption()

◆ SetIconName()

◆ SetName()

◆ SetTitle()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fIconName