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Reference Guide
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TSystemFile Class Reference

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. More...
 
 TSystemFile (const char *filename, const char *dirname)
 TSystemFile normal constructor. More...
 
virtual ~TSystemFile ()
 Delete TSystemFile object. More...
 
virtual void Browse (TBrowser *b)
 Execute default action for this system file (action is specified in the $HOME/.root.mimes or $ROOTSYS/etc/root.mimes file. More...
 
virtual void Copy (const char *to)
 copy this file More...
 
void Copy (TObject &) const
 Copy this to obj. More...
 
virtual void Delete ()
 delete this file More...
 
void Delete (Option_t *)
 Delete this object. More...
 
void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
TObjectDrawClone (Option_t *) const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 dump this file More...
 
virtual void Edit ()
 Invoke text editor on this file. More...
 
const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual void Inspect () const
 inspect this file More...
 
virtual Bool_t IsDirectory (const char *dir=0) const
 Check if object is a directory. More...
 
virtual void Move (const char *to)
 move this file More...
 
virtual void Rename (const char *name)
 rename this file More...
 
void SetDrawOption (Option_t *)
 Set drawing option for object. More...
 
virtual void SetIconName (const char *name)
 
void SetName (const char *name)
 Set the name of the TNamed. More...
 
void SetTitle (const char *title)
 Set the title of the TNamed. More...
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
 TNamed (const TString &name, const TString &title)
 
virtual ~TNamed ()
 TNamed destructor. More...
 
virtual void Clear (Option_t *option="")
 Set name and title to empty strings (""). More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
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. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
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. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
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. More...
 
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). More...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f)
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
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. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 

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 = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) ,
  kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13)
}
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- 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). More...
 
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)
virtual

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

Reimplemented from TObject.

Reimplemented in TSystemDirectory.

Definition at line 69 of file TSystemFile.cxx.

◆ 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
inlinevirtual

Copy this to obj.

Reimplemented from TNamed.

Definition at line 58 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)
inlinevirtual

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 57 of file TSystemFile.h.

◆ DrawClass()

void TSystemFile::DrawClass ( ) const
inlinevirtual

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 52 of file TSystemFile.h.

◆ DrawClone()

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

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

Reimplemented from TObject.

Definition at line 53 of file TSystemFile.h.

◆ Dump()

void TSystemFile::Dump ( ) const
virtual

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
inlinevirtual

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 46 of file TSystemFile.h.

◆ Inspect()

void TSystemFile::Inspect ( ) const
virtual

inspect this file

Reimplemented from TObject.

Definition at line 170 of file TSystemFile.cxx.

◆ IsDirectory()

Bool_t TSystemFile::IsDirectory ( const char *  dir = 0) 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)
inlinevirtual

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 54 of file TSystemFile.h.

◆ SetIconName()

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

Definition at line 45 of file TSystemFile.h.

◆ SetName()

void TSystemFile::SetName ( const char *  name)
inlinevirtual

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 55 of file TSystemFile.h.

◆ SetTitle()

void TSystemFile::SetTitle ( const char *  title)
inlinevirtual

Set the title of the TNamed.

Reimplemented from TNamed.

Definition at line 56 of file TSystemFile.h.

Member Data Documentation

◆ fIconName

TString TSystemFile::fIconName
private

Definition at line 31 of file TSystemFile.h.

Libraries for TSystemFile:
[legend]

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