ROOT
6.07/01
Reference Guide
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Basic data type descriptor (datatype information is obtained from CINT).
This class describes the attributes of type definitions (typedef's). The TROOT class contains a list of all currently defined types (accessible via TROOT::GetListOfTypes()).
Definition at line 46 of file TDataType.h.
Public Member Functions | |
TDataType (TypedefInfo_t *info=0) | |
Default TDataType ctor. More... | |
TDataType (const char *typenam) | |
Constructor for basic data types, like "char", "unsigned char", etc. More... | |
virtual | ~TDataType () |
TDataType dtor deletes adopted CINT TypedefInfo object. More... | |
Int_t | Size () const |
Get size of basic typedef'ed type. More... | |
Int_t | GetType () const |
TString | GetTypeName () |
Get basic type of typedef, e,g. More... | |
const char * | GetFullTypeName () const |
Get full type description of typedef, e,g.: "class TDirectory*". More... | |
const char * | AsString (void *buf) const |
Return string containing value in buffer formatted according to the basic data type. More... | |
Long_t | Property () const |
Get property description word. For meaning of bits see EProperty. More... | |
Public Member Functions inherited from TDictionary | |
TDictionary () | |
TDictionary (const char *name) | |
TDictionary (const TDictionary &dict) | |
virtual | ~TDictionary () |
TDictionary & | operator= (const TDictionary &other) |
void | CreateAttributeMap () |
TDictAttributeMap * | GetAttributeMap () const |
Public Member Functions inherited from TNamed | |
TNamed () | |
TNamed (const char *name, const char *title) | |
TNamed (const TString &name, const TString &title) | |
TNamed (const TNamed &named) | |
TNamed & | operator= (const TNamed &rhs) |
TNamed assignment operator. More... | |
virtual | ~TNamed () |
virtual void | Clear (Option_t *option="") |
Set name and title to empty strings (""). More... | |
virtual TObject * | Clone (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 | SetName (const char *name) |
Change (i.e. More... | |
virtual void | SetNameTitle (const char *name, const char *title) |
Change (i.e. set) all the TNamed parameters (name and title). More... | |
virtual void | SetTitle (const char *title="") |
Change (i.e. set) the title of the TNamed. More... | |
virtual void | ls (Option_t *option="") const |
List TNamed name and title. More... | |
virtual void | Print (Option_t *option="") const |
Print TNamed name and title. More... | |
virtual Int_t | Sizeof () const |
Return size of the TNamed part of the TObject. More... | |
Public Member Functions inherited from TObject | |
TObject () | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual | ~TObject () |
TObject destructor. 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... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. 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 TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current pad. More... | |
virtual void | Dump () const |
Dump contents of object on stdout. 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 TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual Option_t * | GetOption () const |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. 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... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). More... | |
Bool_t | IsOnHeap () const |
Bool_t | IsZombie () const |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. 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 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... | |
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... | |
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 | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. 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... | |
void * | operator new (size_t sz) |
void * | operator new[] (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz, void *vp) |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
void | ResetBit (UInt_t f) |
Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
void | InvertBit (UInt_t f) |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. 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... | |
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... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
Static Public Member Functions | |
static const char * | GetTypeName (EDataType type) |
Return the name of the type. More... | |
static TDataType * | GetDataType (EDataType type) |
Given a EDataType type, get the TDataType* that represents it. More... | |
static EDataType | GetType (const type_info &typeinfo) |
Set type id depending on name. More... | |
static void | AddBuiltins (TCollection *types) |
Create the TDataType objects for builtins. More... | |
Static Public Member Functions inherited from TDictionary | |
static TDictionary * | GetDictionary (const char *name) |
static TDictionary * | GetDictionary (const type_info &typeinfo) |
Static Public Member Functions inherited from TObject | |
static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
Protected Member Functions | |
TDataType (const TDataType &) | |
copy constructor More... | |
TDataType & | operator= (const TDataType &) |
assignment operator More... | |
Protected Member Functions inherited from TDictionary | |
Bool_t | UpdateInterpreterStateMarker () |
the Cling ID of the transaction that last updated the object More... | |
Protected Member Functions inherited from TObject | |
void | MakeZombie () |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
Private Member Functions | |
void | CheckInfo () |
Refresh the underlying information. More... | |
void | SetType (const char *name) |
Set type id depending on name. More... | |
Private Attributes | |
TypedefInfo_t * | fInfo |
Int_t | fSize |
pointer to CINT typedef info More... | |
EDataType | fType |
Long_t | fProperty |
TString | fTrueName |
Int_t | fTypeNameIdx |
Int_t | fTypeNameLen |
Static Private Attributes | |
static TDataType * | fgBuiltins [kNumDataTypes] |
Additional Inherited Members | |
Public Types inherited from TDictionary | |
enum | ESTLType { kNone = ROOT::kNotSTL, kVector = ROOT::kSTLvector, kList = ROOT::kSTLlist, kForwardlist = ROOT::kSTLforwardlist, kDeque = ROOT::kSTLdeque, kMap = ROOT::kSTLmap, kMultimap = ROOT::kSTLmultimap, kSet = ROOT::kSTLset, kMultiset = ROOT::kSTLmultiset, kUnorderedSet = ROOT::kSTLunorderedset, kUnorderedMultiset = ROOT::kSTLunorderedmultiset, kUnorderedMap = ROOT::kSTLunorderedmap, kUnorderedMultimap = ROOT::kSTLunorderedmultimap, kBitset = ROOT::kSTLbitset } |
typedef const void * | DeclId_t |
Public Types inherited from TObject | |
enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
Protected Attributes inherited from TNamed | |
TString | fName |
TString | fTitle |
#include <TDataType.h>
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protected |
TDataType::TDataType | ( | TypedefInfo_t * | info = 0 | ) |
Default TDataType ctor.
TDataTypes are constructed in TROOT via a call to TCling::UpdateListOfTypes().
Definition at line 36 of file TDataType.cxx.
TDataType::TDataType | ( | const char * | typenam | ) |
Constructor for basic data types, like "char", "unsigned char", etc.
Definition at line 59 of file TDataType.cxx.
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TDataType dtor deletes adopted CINT TypedefInfo object.
Definition at line 105 of file TDataType.cxx.
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Create the TDataType objects for builtins.
Definition at line 404 of file TDataType.cxx.
Referenced by TListOfTypes::TListOfTypes().
const char * TDataType::AsString | ( | void * | buf | ) | const |
Return string containing value in buffer formatted according to the basic data type.
The result needs to be used or copied immediately.
Definition at line 235 of file TDataType.cxx.
Referenced by TInspectCanvas::InspectObject().
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private |
Refresh the underlying information.
Definition at line 371 of file TDataType.cxx.
Given a EDataType type, get the TDataType* that represents it.
Definition at line 436 of file TDataType.cxx.
Referenced by ROOT::Internal::TTreeReaderGenerator::AnalyzeBranches(), ROOT::Internal::TTreeReaderGenerator::AnalyzeTree(), TTree::CheckBranchAddressType(), ROOT::Internal::TTreeReaderValueBase::CreateProxy(), ROOT::Internal::TTreeReaderArrayBase::GetBranchContentDataType(), ROOT::Internal::TTreeReaderValueBase::GetBranchDataType(), TDictionary::GetDictionary(), TTableDescriptor::LearnTable(), and TTableSorter::LearnTable().
const char * TDataType::GetFullTypeName | ( | ) | const |
Get full type description of typedef, e,g.: "class TDirectory*".
Definition at line 175 of file TDataType.cxx.
Referenced by ClassImpQ(), TDocOutput::ReferenceEntity(), TClingLookupHelper__ExistingTypeCheck(), and TGenCollectionProxy::Value::Value().
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inline |
Definition at line 70 of file TDataType.h.
Referenced by TDocParser::AddClassDataMembersRecursively(), TTree::Branch(), TTree::BranchOld(), TStreamerInfo::Build(), TStreamerInfo::BuildOld(), TTree::CheckBranchAddressType(), TCling::CheckClassInfo(), TBufferJSON::ClassMember(), TBufferXML::ClassMember(), TBufferSQL2::ClassMember(), TStreamerInfo::CompareContent(), ROOT::Internal::TTreeReaderValueBase::CreateProxy(), TDictionary::GetDictionary(), TBranchElement::GetExpectedType(), TXMLPlayer::GetMemberTypeName(), TStreamerElement::GetTypeNameBasic(), TBranchClones::Init(), TInspectCanvas::InspectObject(), Cppyy::IsBuiltin(), TBufferJSON::JsonWriteMember(), TXMLPlayer::ProduceSTLstreamer(), R__CreateEmulatedElement(), TDocOutput::ReferenceEntity(), TBranchObject::SetAddress(), TTree::SetBranchAddress(), TClingLookupHelper__ExistingTypeCheck(), TStreamerSTL::TStreamerSTL(), and TGenCollectionProxy::Value::Value().
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Set type id depending on name.
Definition at line 189 of file TDataType.cxx.
TString TDataType::GetTypeName | ( | ) |
Get basic type of typedef, e,g.
: "class TDirectory*" -> "TDirectory". Result needs to be used or copied immediately.
Definition at line 149 of file TDataType.cxx.
Referenced by TStreamerInfo::Build(), TStreamerInfo::BuildOld(), TTree::CheckBranchAddressType(), TRootContextMenu::Dialog(), TQCanvasMenu::Dialog(), ROOT::Internal::TTreeReaderArrayBase::GetBranchContentDataType(), TXMLPlayer::GetMemberTypeName(), TStreamerElement::GetTypeNameBasic(), TInspectCanvas::InspectObject(), TTableDescriptor::LearnTable(), and TTableSorter::LearnTable().
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Return the name of the type.
Definition at line 113 of file TDataType.cxx.
assignment operator
Definition at line 86 of file TDataType.cxx.
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Get property description word. For meaning of bits see EProperty.
Implements TDictionary.
Definition at line 283 of file TDataType.cxx.
Referenced by TClass::GetCheckSum(), and TDocOutput::ReferenceEntity().
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Set type id depending on name.
Definition at line 292 of file TDataType.cxx.
Referenced by CheckInfo(), and TDataType().
Int_t TDataType::Size | ( | ) | const |
Get size of basic typedef'ed type.
Definition at line 362 of file TDataType.cxx.
Referenced by TStreamerInfo::Build(), THnSparse::GetSparseFractionMem(), TDataMember::GetUnitSize(), TTableDescriptor::LearnTable(), TTableSorter::LearnTable(), R__CreateEmulatedElement(), and TGenCollectionProxy::Value::Value().
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Definition at line 56 of file TDataType.h.
Referenced by AddBuiltins(), and GetDataType().
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Definition at line 49 of file TDataType.h.
Referenced by AsString(), CheckInfo(), GetFullTypeName(), GetTypeName(), operator=(), Property(), Size(), TDataType(), and ~TDataType().
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Definition at line 52 of file TDataType.h.
Referenced by CheckInfo(), operator=(), Property(), and TDataType().
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pointer to CINT typedef info
Definition at line 50 of file TDataType.h.
Referenced by CheckInfo(), operator=(), SetType(), Size(), and TDataType().
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Definition at line 53 of file TDataType.h.
Referenced by AsString(), GetFullTypeName(), GetTypeName(), operator=(), and SetType().
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Definition at line 51 of file TDataType.h.
Referenced by GetFullTypeName(), GetType(), GetTypeName(), operator=(), SetType(), and TDataType().
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Definition at line 54 of file TDataType.h.
Referenced by GetTypeName(), and operator=().
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Definition at line 55 of file TDataType.h.
Referenced by GetTypeName(), and operator=().