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Reference Guide
TBufferXML.h
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1 // @(#)root/xml:$Id: d90d66e8fd2aa9daa4b05bcba9166aee1e2b2e7f $
2 // Author: Sergey Linev 10.05.2004
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
11 
12 #ifndef ROOT_TBufferXML
13 #define ROOT_TBufferXML
14 
15 #include "TBufferText.h"
16 #include "TXMLSetup.h"
17 #include "TXMLEngine.h"
18 #include "TString.h"
19 #include "TObjArray.h"
20 #include "TArrayC.h"
21 #include "TClonesArray.h"
22 
23 #include <string>
24 #include <deque>
25 
26 class TExMap;
27 class TVirtualStreamerInfo;
28 class TStreamerInfo;
29 class TStreamerElement;
30 class TObjArray;
31 class TMemberStreamer;
32 class TXMLFile;
33 class TXMLStackObj;
34 
35 class TBufferXML : public TBufferText, public TXMLSetup {
36 
37  friend class TKeyXML;
38 
39 public:
40  TBufferXML(TBuffer::EMode mode);
41  TBufferXML(TBuffer::EMode mode, TXMLFile *file);
42  virtual ~TBufferXML();
43 
44  static TString ConvertToXML(const TObject *obj, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
45  static TString
46  ConvertToXML(const void *obj, const TClass *cl, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
47 
48  template <class T>
49  static TString ToXML(const T *obj, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE)
50  {
51  return ConvertToXML(obj, TBuffer::GetClass(typeid(T)), GenericLayout, UseNamespaces);
52  }
53 
54  static TObject *ConvertFromXML(const char *str, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
55  static void *ConvertFromXMLAny(const char *str, TClass **cl = nullptr, Bool_t GenericLayout = kFALSE,
56  Bool_t UseNamespaces = kFALSE);
57 
58  template <class T>
59  static Bool_t FromXML(T *&obj, const char *xml, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE)
60  {
61  if (obj)
62  return kFALSE;
63  obj = (T *)ConvertFromXMLChecked(xml, TBuffer::GetClass(typeid(T)), GenericLayout, UseNamespaces);
64  return obj != nullptr;
65  }
66 
67  Int_t GetIOVersion() const { return fIOVersion; }
68  void SetIOVersion(Int_t v) { fIOVersion = v; }
69 
70  // suppress class writing/reading
71 
72  virtual TClass *ReadClass(const TClass *cl = nullptr, UInt_t *objTag = nullptr);
73  virtual void WriteClass(const TClass *cl);
74 
75  // redefined virtual functions of TBuffer
76 
77  virtual Version_t ReadVersion(UInt_t *start = nullptr, UInt_t *bcnt = nullptr, const TClass *cl = nullptr);
78  virtual UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt = kFALSE);
79 
80  virtual void *ReadObjectAny(const TClass *clCast);
81  virtual void SkipObjectAny();
82 
83  virtual void IncrementLevel(TVirtualStreamerInfo *);
84  virtual void SetStreamerElementNumber(TStreamerElement *elem, Int_t comp_type);
85  virtual void DecrementLevel(TVirtualStreamerInfo *);
86 
87  virtual void ClassBegin(const TClass *, Version_t = -1);
88  virtual void ClassEnd(const TClass *);
89  virtual void ClassMember(const char *name, const char *typeName = nullptr, Int_t arrsize1 = -1, Int_t arrsize2 = -1);
90 
91  virtual Int_t ReadArray(Bool_t *&b);
92  virtual Int_t ReadArray(Char_t *&c);
93  virtual Int_t ReadArray(UChar_t *&c);
94  virtual Int_t ReadArray(Short_t *&h);
95  virtual Int_t ReadArray(UShort_t *&h);
96  virtual Int_t ReadArray(Int_t *&i);
97  virtual Int_t ReadArray(UInt_t *&i);
98  virtual Int_t ReadArray(Long_t *&l);
99  virtual Int_t ReadArray(ULong_t *&l);
100  virtual Int_t ReadArray(Long64_t *&l);
101  virtual Int_t ReadArray(ULong64_t *&l);
102  virtual Int_t ReadArray(Float_t *&f);
103  virtual Int_t ReadArray(Double_t *&d);
104 
105  virtual Int_t ReadStaticArray(Bool_t *b);
106  virtual Int_t ReadStaticArray(Char_t *c);
107  virtual Int_t ReadStaticArray(UChar_t *c);
108  virtual Int_t ReadStaticArray(Short_t *h);
109  virtual Int_t ReadStaticArray(UShort_t *h);
110  virtual Int_t ReadStaticArray(Int_t *i);
111  virtual Int_t ReadStaticArray(UInt_t *i);
112  virtual Int_t ReadStaticArray(Long_t *l);
113  virtual Int_t ReadStaticArray(ULong_t *l);
114  virtual Int_t ReadStaticArray(Long64_t *l);
115  virtual Int_t ReadStaticArray(ULong64_t *l);
116  virtual Int_t ReadStaticArray(Float_t *f);
117  virtual Int_t ReadStaticArray(Double_t *d);
118 
119  virtual void ReadFastArray(Bool_t *b, Int_t n);
120  virtual void ReadFastArray(Char_t *c, Int_t n);
121  virtual void ReadFastArray(UChar_t *c, Int_t n);
122  virtual void ReadFastArray(Short_t *h, Int_t n);
123  virtual void ReadFastArray(UShort_t *h, Int_t n);
124  virtual void ReadFastArray(Int_t *i, Int_t n);
125  virtual void ReadFastArray(UInt_t *i, Int_t n);
126  virtual void ReadFastArray(Long_t *l, Int_t n);
127  virtual void ReadFastArray(ULong_t *l, Int_t n);
128  virtual void ReadFastArray(Long64_t *l, Int_t n);
129  virtual void ReadFastArray(ULong64_t *l, Int_t n);
130  virtual void ReadFastArray(Float_t *f, Int_t n);
131  virtual void ReadFastArray(Double_t *d, Int_t n);
132  virtual void ReadFastArrayString(Char_t *c, Int_t n);
133  virtual void ReadFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr,
134  const TClass *onFileClass = nullptr);
135  virtual void ReadFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
136  TMemberStreamer *s = nullptr, const TClass *onFileClass = nullptr);
137 
138  virtual void WriteArray(const Bool_t *b, Int_t n);
139  virtual void WriteArray(const Char_t *c, Int_t n);
140  virtual void WriteArray(const UChar_t *c, Int_t n);
141  virtual void WriteArray(const Short_t *h, Int_t n);
142  virtual void WriteArray(const UShort_t *h, Int_t n);
143  virtual void WriteArray(const Int_t *i, Int_t n);
144  virtual void WriteArray(const UInt_t *i, Int_t n);
145  virtual void WriteArray(const Long_t *l, Int_t n);
146  virtual void WriteArray(const ULong_t *l, Int_t n);
147  virtual void WriteArray(const Long64_t *l, Int_t n);
148  virtual void WriteArray(const ULong64_t *l, Int_t n);
149  virtual void WriteArray(const Float_t *f, Int_t n);
150  virtual void WriteArray(const Double_t *d, Int_t n);
151 
152  virtual void WriteFastArray(const Bool_t *b, Int_t n);
153  virtual void WriteFastArray(const Char_t *c, Int_t n);
154  virtual void WriteFastArray(const UChar_t *c, Int_t n);
155  virtual void WriteFastArray(const Short_t *h, Int_t n);
156  virtual void WriteFastArray(const UShort_t *h, Int_t n);
157  virtual void WriteFastArray(const Int_t *i, Int_t n);
158  virtual void WriteFastArray(const UInt_t *i, Int_t n);
159  virtual void WriteFastArray(const Long_t *l, Int_t n);
160  virtual void WriteFastArray(const ULong_t *l, Int_t n);
161  virtual void WriteFastArray(const Long64_t *l, Int_t n);
162  virtual void WriteFastArray(const ULong64_t *l, Int_t n);
163  virtual void WriteFastArray(const Float_t *f, Int_t n);
164  virtual void WriteFastArray(const Double_t *d, Int_t n);
165  virtual void WriteFastArrayString(const Char_t *c, Int_t n);
166  virtual void WriteFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr);
167  virtual Int_t WriteFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
168  TMemberStreamer *s = nullptr);
169 
170  virtual void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass = nullptr);
171  using TBufferText::StreamObject;
172 
173  virtual void ReadBool(Bool_t &b);
174  virtual void ReadChar(Char_t &c);
175  virtual void ReadUChar(UChar_t &c);
176  virtual void ReadShort(Short_t &s);
177  virtual void ReadUShort(UShort_t &s);
178  virtual void ReadInt(Int_t &i);
179  virtual void ReadUInt(UInt_t &i);
180  virtual void ReadLong(Long_t &l);
181  virtual void ReadULong(ULong_t &l);
182  virtual void ReadLong64(Long64_t &l);
183  virtual void ReadULong64(ULong64_t &l);
184  virtual void ReadFloat(Float_t &f);
185  virtual void ReadDouble(Double_t &d);
186  virtual void ReadCharP(Char_t *c);
187  virtual void ReadTString(TString &s);
188  virtual void ReadStdString(std::string *s);
189  using TBuffer::ReadStdString;
190  virtual void ReadCharStar(char *&s);
191 
192  virtual void WriteBool(Bool_t b);
193  virtual void WriteChar(Char_t c);
194  virtual void WriteUChar(UChar_t c);
195  virtual void WriteShort(Short_t s);
196  virtual void WriteUShort(UShort_t s);
197  virtual void WriteInt(Int_t i);
198  virtual void WriteUInt(UInt_t i);
199  virtual void WriteLong(Long_t l);
200  virtual void WriteULong(ULong_t l);
201  virtual void WriteLong64(Long64_t l);
202  virtual void WriteULong64(ULong64_t l);
203  virtual void WriteFloat(Float_t f);
204  virtual void WriteDouble(Double_t d);
205  virtual void WriteCharP(const Char_t *c);
206  virtual void WriteTString(const TString &s);
207  virtual void WriteStdString(const std::string *s);
208  using TBuffer::WriteStdString;
209  virtual void WriteCharStar(char *s);
210 
211  virtual TVirtualStreamerInfo *GetInfo();
212 
213 protected:
214  TBufferXML();
215 
216  // redefined protected virtual functions
217 
218  virtual void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse);
219 
220  // end redefined protected virtual functions
221 
222  static void *ConvertFromXMLChecked(const char *xml, const TClass *expectedClass, Bool_t GenericLayout = kFALSE,
223  Bool_t UseNamespaces = kFALSE);
224 
225  TXMLFile *XmlFile();
226 
227  Int_t GetCompressionAlgorithm() const;
228  Int_t GetCompressionLevel() const;
229  Int_t GetCompressionSettings() const;
230  void SetCompressionAlgorithm(Int_t algorithm = 0);
231  void SetCompressionLevel(Int_t level = 1);
232  void SetCompressionSettings(Int_t settings = 1);
233  void SetXML(TXMLEngine *xml) { fXML = xml; }
234 
235  void XmlWriteBlock(XMLNodePointer_t node);
236  XMLNodePointer_t XmlWriteAny(const void *obj, const TClass *cl);
237 
238  void XmlReadBlock(XMLNodePointer_t node);
239  void *XmlReadAny(XMLNodePointer_t node, void *obj, TClass **cl);
240 
241  TXMLStackObj *PushStack(XMLNodePointer_t current, Bool_t simple = kFALSE);
242  TXMLStackObj *PopStack();
243  void ShiftStack(const char *info = nullptr);
244 
245  XMLNodePointer_t StackNode();
246  TXMLStackObj *Stack(UInt_t depth = 0)
247  {
248  return (depth < fStack.size()) ? (depth ? fStack[fStack.size() - depth - 1] : fStack.back()) : nullptr;
249  }
250 
251  void WorkWithClass(TStreamerInfo *info, const TClass *cl = nullptr);
252  void WorkWithElement(TStreamerElement *elem, Int_t comp_type);
253  Bool_t VerifyNode(XMLNodePointer_t node, const char *name, const char *errinfo = nullptr);
254  Bool_t VerifyStackNode(const char *name, const char *errinfo = nullptr);
255 
256  Bool_t VerifyAttr(XMLNodePointer_t node, const char *name, const char *value, const char *errinfo = nullptr);
257  Bool_t VerifyStackAttr(const char *name, const char *value, const char *errinfo = nullptr);
258 
259  Bool_t ProcessPointer(const void *ptr, XMLNodePointer_t node);
260  Bool_t ExtractPointer(XMLNodePointer_t node, void *&ptr, TClass *&cl);
261  void ExtractReference(XMLNodePointer_t node, const void *ptr, const TClass *cl);
262 
263  XMLNodePointer_t CreateItemNode(const char *name);
264  Bool_t VerifyItemNode(const char *name, const char *errinfo = nullptr);
265 
266  void CreateElemNode(const TStreamerElement *elem);
267  Bool_t VerifyElemNode(const TStreamerElement *elem);
268 
269  void PerformPreProcessing(const TStreamerElement *elem, XMLNodePointer_t elemnode);
270  void PerformPostProcessing();
271 
272  XMLNodePointer_t XmlWriteBasic(Char_t value);
273  XMLNodePointer_t XmlWriteBasic(Short_t value);
274  XMLNodePointer_t XmlWriteBasic(Int_t value);
275  XMLNodePointer_t XmlWriteBasic(Long_t value);
276  XMLNodePointer_t XmlWriteBasic(Long64_t value);
277  XMLNodePointer_t XmlWriteBasic(Float_t value);
278  XMLNodePointer_t XmlWriteBasic(Double_t value);
279  XMLNodePointer_t XmlWriteBasic(Bool_t value);
280  XMLNodePointer_t XmlWriteBasic(UChar_t value);
281  XMLNodePointer_t XmlWriteBasic(UShort_t value);
282  XMLNodePointer_t XmlWriteBasic(UInt_t value);
283  XMLNodePointer_t XmlWriteBasic(ULong_t value);
284  XMLNodePointer_t XmlWriteBasic(ULong64_t value);
285  XMLNodePointer_t XmlWriteValue(const char *value, const char *name);
286 
287  void XmlReadBasic(Char_t &value);
288  void XmlReadBasic(Short_t &value);
289  void XmlReadBasic(Int_t &value);
290  void XmlReadBasic(Long_t &value);
291  void XmlReadBasic(Long64_t &value);
292  void XmlReadBasic(Float_t &value);
293  void XmlReadBasic(Double_t &value);
294  void XmlReadBasic(Bool_t &value);
295  void XmlReadBasic(UChar_t &value);
296  void XmlReadBasic(UShort_t &value);
297  void XmlReadBasic(UInt_t &value);
298  void XmlReadBasic(ULong_t &value);
299  void XmlReadBasic(ULong64_t &value);
300  const char *XmlReadValue(const char *name);
301 
302  template <typename T>
303  R__ALWAYS_INLINE void XmlReadArrayContent(T *arr, Int_t arrsize);
304 
305  template <typename T>
306  R__ALWAYS_INLINE Int_t XmlReadArray(T *&arr, bool is_static = false);
307 
308  template <typename T>
309  R__ALWAYS_INLINE void XmlReadFastArray(T *arr, Int_t n);
310 
311  template <typename T>
312  R__ALWAYS_INLINE void XmlWriteArrayContent(const T *arr, Int_t arrsize);
313 
314  template <typename T>
315  R__ALWAYS_INLINE void XmlWriteArray(const T *arr, Int_t arrsize);
316 
317  template <typename T>
318  R__ALWAYS_INLINE void XmlWriteFastArray(const T *arr, Int_t n);
319 
320  XMLNodePointer_t XmlWriteObject(const void *obj, const TClass *objClass, Bool_t cacheReuse);
321  void *XmlReadObject(void *obj, TClass **cl = nullptr);
322 
323  void BeforeIOoperation();
324  void CheckVersionBuf();
325 
326  TXMLEngine *fXML; ///<! instance of TXMLEngine for working with XML structures
327  std::deque<TXMLStackObj *> fStack; ///<! Stack of processed objects
328  Version_t fVersionBuf; ///<! Current version buffer
329  TString fValueBuf; ///<! Current value buffer
330  Int_t fErrorFlag; ///<! Error flag
331  Bool_t fCanUseCompact; ///<! Flag indicate that basic type (like Int_t) can be placed in the same tag
332  TClass *fExpectedBaseClass; ///<! Pointer to class, which should be stored as parent of current
333  Int_t fCompressLevel; ///<! Compression level and algorithm
334  Int_t fIOVersion; ///<! Indicates format of ROOT xml file
335 
336  ClassDef(TBufferXML, 0); // a specialized TBuffer to read/write to XML files
337 };
338 
339 //______________________________________________________________________________
340 inline Int_t TBufferXML::GetCompressionAlgorithm() const
341 {
342  return (fCompressLevel < 0) ? -1 : fCompressLevel / 100;
343 }
344 
345 //______________________________________________________________________________
346 inline Int_t TBufferXML::GetCompressionLevel() const
347 {
348  return (fCompressLevel < 0) ? -1 : fCompressLevel % 100;
349 }
350 
351 //______________________________________________________________________________
352 inline Int_t TBufferXML::GetCompressionSettings() const
353 {
354  return (fCompressLevel < 0) ? -1 : fCompressLevel;
355 }
356 
357 #endif
TBufferXML::fCompressLevel
Int_t fCompressLevel
! Compression level and algorithm
Definition: TBufferXML.h:333
TStreamerInfo
Describe Streamer information for one class version.
Definition: TStreamerInfo.h:43
TBufferXML::CreateItemNode
XMLNodePointer_t CreateItemNode(const char *name)
Create item node of specified name.
Definition: TBufferXML.cxx:694
TBufferXML::~TBufferXML
virtual ~TBufferXML()
Destroy xml buffer.
Definition: TBufferXML.cxx:98
TBufferXML::VerifyStackNode
Bool_t VerifyStackNode(const char *name, const char *errinfo=nullptr)
Check, if stack node has specified name.
Definition: TBufferXML.cxx:659
TBufferXML::XmlReadBlock
void XmlReadBlock(XMLNodePointer_t node)
Read binary block of data from xml.
Definition: TBufferXML.cxx:471
TBufferXML::PushStack
TXMLStackObj * PushStack(XMLNodePointer_t current, Bool_t simple=kFALSE)
Add new level to xml stack.
Definition: TBufferXML.cxx:314
TBufferXML::ReadStaticArray
virtual Int_t ReadStaticArray(Bool_t *b)
Read array of Bool_t from buffer.
Definition: TBufferXML.cxx:1691
TObjArray
An array of TObjects.
Definition: TObjArray.h:37
TBufferXML::GetCompressionSettings
Int_t GetCompressionSettings() const
Definition: TBufferXML.h:352
TBufferXML::WriteLong64
virtual void WriteLong64(Long64_t l)
Writes Long64_t value to buffer.
Definition: TBufferXML.cxx:2728
TBufferXML::SetCompressionAlgorithm
void SetCompressionAlgorithm(Int_t algorithm=0)
See comments for function SetCompressionSettings.
Definition: TBufferXML.cxx:363
Long64_t
long long Long64_t
Definition: RtypesCore.h:69
TBufferXML::WorkWithElement
void WorkWithElement(TStreamerElement *elem, Int_t comp_type)
This function is a part of SetStreamerElementNumber method.
Definition: TBufferXML.cxx:991
TBufferXML::ProcessPointer
Bool_t ProcessPointer(const void *ptr, XMLNodePointer_t node)
Add "ptr" attribute to node, if ptr is null or if ptr is pointer on object, which is already saved in...
Definition: TBufferXML.cxx:542
TBufferXML::XmlWriteBlock
void XmlWriteBlock(XMLNodePointer_t node)
Write binary data block from buffer to xml.
Definition: TBufferXML.cxx:410
TBufferXML::ReadLong
virtual void ReadLong(Long_t &l)
Reads Long_t value from buffer.
Definition: TBufferXML.cxx:2495
R__ALWAYS_INLINE
#define R__ALWAYS_INLINE
Definition: RConfig.h:556
Version_t
short Version_t
Definition: RtypesCore.h:61
TBufferXML::WriteFastArray
virtual void WriteFastArray(const Bool_t *b, Int_t n)
Write array of Bool_t to buffer.
Definition: TBufferXML.cxx:2191
TBufferXML::ReadArray
virtual Int_t ReadArray(Bool_t *&b)
Read array of Bool_t from buffer.
Definition: TBufferXML.cxx:1587
TBufferXML::fValueBuf
TString fValueBuf
! Current value buffer
Definition: TBufferXML.h:329
Float_t
float Float_t
Definition: RtypesCore.h:53
TBufferXML::WriteLong
virtual void WriteLong(Long_t l)
Writes Long_t value to buffer.
Definition: TBufferXML.cxx:2710
TBufferXML::XmlWriteArray
R__ALWAYS_INLINE void XmlWriteArray(const T *arr, Int_t arrsize)
Write array, including it size Content may be compressed.
Definition: TBufferXML.cxx:2057
TBufferXML::SetCompressionSettings
void SetCompressionSettings(Int_t settings=1)
Used to specify the compression level and algorithm.
Definition: TBufferXML.cxx:401
TBufferXML::SetCompressionLevel
void SetCompressionLevel(Int_t level=1)
See comments for function SetCompressionSettings.
Definition: TBufferXML.cxx:379
ROOT::Math::Chebyshev::T
double T(double x)
Definition: ChebyshevPol.h:34
TBufferXML::Stack
TXMLStackObj * Stack(UInt_t depth=0)
Definition: TBufferXML.h:246
UShort_t
unsigned short UShort_t
Definition: RtypesCore.h:36
TBufferXML::WriteULong64
virtual void WriteULong64(ULong64_t l)
Writes ULong64_t value to buffer.
Definition: TBufferXML.cxx:2737
TBufferXML::ReadFastArray
virtual void ReadFastArray(Bool_t *b, Int_t n)
Read array of Bool_t from buffer.
Definition: TBufferXML.cxx:1814
TBufferXML::ConvertFromXMLChecked
static void * ConvertFromXMLChecked(const char *xml, const TClass *expectedClass, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Convert from XML and check if object derived from specified class When possible, cast to given class...
Definition: TBufferXML.cxx:215
TBufferXML::fVersionBuf
Version_t fVersionBuf
! Current version buffer
Definition: TBufferXML.h:328
TBufferXML::ToXML
static TString ToXML(const T *obj, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Definition: TBufferXML.h:49
TBufferXML::WriteCharStar
virtual void WriteCharStar(char *s)
Write a char* string.
Definition: TBufferXML.cxx:2827
TString
Basic string class.
Definition: TString.h:131
TBufferXML::WriteChar
virtual void WriteChar(Char_t c)
Writes Char_t value to buffer.
Definition: TBufferXML.cxx:2656
f
#define f(i)
Definition: RSha256.hxx:104
Int_t
int Int_t
Definition: RtypesCore.h:41
Bool_t
bool Bool_t
Definition: RtypesCore.h:59
TBufferXML::XmlWriteAny
XMLNodePointer_t XmlWriteAny(const void *obj, const TClass *cl)
Convert object of any class to xml structures Return pointer on top xml element.
Definition: TBufferXML.cxx:242
TBufferXML::WriteFastArrayString
virtual void WriteFastArrayString(const Char_t *c, Int_t n)
Write array of n characters into the I/O buffer.
Definition: TBufferXML.cxx:2316
TBufferXML::CreateElemNode
void CreateElemNode(const TStreamerElement *elem)
Create xml node correspondent to TStreamerElement object.
Definition: TBufferXML.cxx:721
TBufferXML::WriteTString
virtual void WriteTString(const TString &s)
Writes a TString.
Definition: TBufferXML.cxx:2773
TBufferXML::ReadVersion
virtual Version_t ReadVersion(UInt_t *start=nullptr, UInt_t *bcnt=nullptr, const TClass *cl=nullptr)
Read version value from buffer.
Definition: TBufferXML.cxx:1447
TBufferXML::VerifyNode
Bool_t VerifyNode(XMLNodePointer_t node, const char *name, const char *errinfo=nullptr)
Check if node has specified name.
Definition: TBufferXML.cxx:641
TBufferXML::XmlReadArrayContent
R__ALWAYS_INLINE void XmlReadArrayContent(T *arr, Int_t arrsize)
Template method to read array content.
Definition: TBufferXML.cxx:1545
TBufferXML::XmlWriteValue
XMLNodePointer_t XmlWriteValue(const char *value, const char *name)
Create xml node with specified name and adds it to stack node.
Definition: TBufferXML.cxx:2968
TBufferXML::WriteULong
virtual void WriteULong(ULong_t l)
Writes ULong_t value to buffer.
Definition: TBufferXML.cxx:2719
TBufferXML::XmlWriteObject
XMLNodePointer_t XmlWriteObject(const void *obj, const TClass *objClass, Bool_t cacheReuse)
Write object to buffer If object was written before, only pointer will be stored Return pointer to to...
Definition: TBufferXML.cxx:775
TBufferXML::WriteStdString
virtual void WriteStdString(const std::string *s)
Writes a std::string.
Definition: TBufferXML.cxx:2798
TBufferXML::VerifyItemNode
Bool_t VerifyItemNode(const char *name, const char *errinfo=nullptr)
Checks, if stack node is item and has specified name.
Definition: TBufferXML.cxx:708
TBufferXML::fXML
TXMLEngine * fXML
! instance of TXMLEngine for working with XML structures
Definition: TBufferXML.h:326
TBufferText::StreamObject
virtual void StreamObject(void *obj, const std::type_info &typeinfo, const TClass *onFileClass=nullptr)
stream object to/from buffer
Definition: TBufferText.cxx:465
TBufferXML::ReadCharP
virtual void ReadCharP(Char_t *c)
Reads array of characters from buffer.
Definition: TBufferXML.cxx:2549
TBufferXML::XmlFile
TXMLFile * XmlFile()
Returns pointer to TXMLFile object.
Definition: TBufferXML.cxx:108
TBufferXML::WriteInt
virtual void WriteInt(Int_t i)
Writes Int_t value to buffer.
Definition: TBufferXML.cxx:2692
TBufferXML::VerifyAttr
Bool_t VerifyAttr(XMLNodePointer_t node, const char *name, const char *value, const char *errinfo=nullptr)
Checks, that attribute of specified name exists and has specified value.
Definition: TBufferXML.cxx:667
TBufferXML::WriteShort
virtual void WriteShort(Short_t s)
Writes Short_t value to buffer.
Definition: TBufferXML.cxx:2674
TBufferXML::DecrementLevel
virtual void DecrementLevel(TVirtualStreamerInfo *)
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and decrease level in xml ...
Definition: TBufferXML.cxx:948
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:320
TBufferXML::WriteUChar
virtual void WriteUChar(UChar_t c)
Writes UChar_t value to buffer.
Definition: TBufferXML.cxx:2665
TBufferXML::ReadCharStar
virtual void ReadCharStar(char *&s)
Read a char* string.
Definition: TBufferXML.cxx:2630
TBufferXML::BeforeIOoperation
void BeforeIOoperation()
Function is called before any IO operation of TBuffer Now is used to store version value if no proper...
Definition: TBufferXML.cxx:1412
TBufferXML::ReadShort
virtual void ReadShort(Short_t &s)
Reads Short_t value from buffer.
Definition: TBufferXML.cxx:2459
TBufferXML::WriteUShort
virtual void WriteUShort(UShort_t s)
Writes UShort_t value to buffer.
Definition: TBufferXML.cxx:2683
TBufferXML::ClassMember
virtual void ClassMember(const char *name, const char *typeName=nullptr, Int_t arrsize1=-1, Int_t arrsize2=-1)
Method indicates name and typename of class member, which should be now streamed in custom streamer...
Definition: TBufferXML.cxx:1121
TBuffer::GetClass
static TClass * GetClass(const std::type_info &typeinfo)
Forward to TROOT::GetClass().
Definition: TBuffer.cxx:307
TBufferXML::WriteUInt
virtual void WriteUInt(UInt_t i)
Writes UInt_t value to buffer.
Definition: TBufferXML.cxx:2701
TBuffer::ReadStdString
virtual void ReadStdString(std::string *s)=0
TBufferXML::SetIOVersion
void SetIOVersion(Int_t v)
Definition: TBufferXML.h:68
TBufferXML::ReadStdString
virtual void ReadStdString(std::string *s)
Reads a std::string.
Definition: TBufferXML.cxx:2593
TBufferXML::StreamObject
virtual void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass=nullptr)
Stream object to/from buffer.
Definition: TBufferXML.cxx:2407
TBufferXML::XmlWriteArrayContent
R__ALWAYS_INLINE void XmlWriteArrayContent(const T *arr, Int_t arrsize)
Definition: TBufferXML.cxx:2034
TBufferXML::WriteCharP
virtual void WriteCharP(const Char_t *c)
Writes array of characters to buffer.
Definition: TBufferXML.cxx:2764
TBufferXML::ReadULong64
virtual void ReadULong64(ULong64_t &l)
Reads ULong64_t value from buffer.
Definition: TBufferXML.cxx:2522
TBufferXML::ReadClass
virtual TClass * ReadClass(const TClass *cl=nullptr, UInt_t *objTag=nullptr)
Function to read class from buffer, used in old-style streamers.
Definition: TBufferXML.cxx:1420
TBufferXML::ReadBool
virtual void ReadBool(Bool_t &b)
Reads Bool_t value from buffer.
Definition: TBufferXML.cxx:2432
TBufferXML::StackNode
XMLNodePointer_t StackNode()
Return pointer on current xml node.
Definition: TBufferXML.cxx:341
TBufferXML::ReadUChar
virtual void ReadUChar(UChar_t &c)
Reads UChar_t value from buffer.
Definition: TBufferXML.cxx:2450
TBufferXML::FromXML
static Bool_t FromXML(T *&obj, const char *xml, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Definition: TBufferXML.h:59
TBufferXML::VerifyStackAttr
Bool_t VerifyStackAttr(const char *name, const char *value, const char *errinfo=nullptr)
Checks stack attribute.
Definition: TBufferXML.cxx:686
TBufferXML::fIOVersion
Int_t fIOVersion
! Indicates format of ROOT xml file
Definition: TBufferXML.h:334
TBufferXML::ReadUInt
virtual void ReadUInt(UInt_t &i)
Reads UInt_t value from buffer.
Definition: TBufferXML.cxx:2486
TBufferXML::fExpectedBaseClass
TClass * fExpectedBaseClass
! Pointer to class, which should be stored as parent of current
Definition: TBufferXML.h:332
TBufferXML::ReadObjectAny
virtual void * ReadObjectAny(const TClass *clCast)
Read object from buffer. Only used from TBuffer.
Definition: TBufferXML.cxx:1512
TBufferXML::SetXML
void SetXML(TXMLEngine *xml)
Definition: TBufferXML.h:233
TBufferXML::IncrementLevel
virtual void IncrementLevel(TVirtualStreamerInfo *)
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and indent new level in xm...
Definition: TBufferXML.cxx:874
v
SVector< double, 2 > v
Definition: Dict.h:5
TBufferXML::XmlReadObject
void * XmlReadObject(void *obj, TClass **cl=nullptr)
Read object from the buffer.
Definition: TBufferXML.cxx:807
TBufferXML::WorkWithClass
void WorkWithClass(TStreamerInfo *info, const TClass *cl=nullptr)
Prepares buffer to stream data of specified class.
Definition: TBufferXML.cxx:882
TBufferXML::TBufferXML
TBufferXML()
Default constructor.
Definition: TBufferXML.cxx:58
TBufferXML::GetInfo
virtual TVirtualStreamerInfo * GetInfo()
Return current streamer info element.
Definition: TBufferXML.cxx:3180
UInt_t
unsigned int UInt_t
Definition: RtypesCore.h:42
TBufferXML::ClassEnd
virtual void ClassEnd(const TClass *)
Should be called at the end of custom streamer See TBufferXML::ClassBegin for more details...
Definition: TBufferXML.cxx:1078
Short_t
short Short_t
Definition: RtypesCore.h:35
TClass
The ROOT global object gROOT contains a list of all defined classes.
Definition: TClass.h:75
TBufferXML::ConvertToXML
static TString ConvertToXML(const TObject *obj, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Converts object, inherited from TObject class, to XML string GenericLayout defines layout choice for ...
Definition: TBufferXML.cxx:119
TBufferXML::fCanUseCompact
Bool_t fCanUseCompact
! Flag indicate that basic type (like Int_t) can be placed in the same tag
Definition: TBufferXML.h:331
XMLNodePointer_t
void * XMLNodePointer_t
Definition: TXMLEngine.h:17
TBufferXML::VerifyElemNode
Bool_t VerifyElemNode(const TStreamerElement *elem)
Checks if stack node correspond to TStreamerElement object.
Definition: TBufferXML.cxx:749
TBufferXML::ExtractReference
void ExtractReference(XMLNodePointer_t node, const void *ptr, const TClass *cl)
Analyze if node has "ref" attribute and register it to object map.
Definition: TBufferXML.cxx:615
TBufferXML::PerformPreProcessing
void PerformPreProcessing(const TStreamerElement *elem, XMLNodePointer_t elemnode)
Function is unpack TObject and TString structures to be able read them from custom streamers of this ...
Definition: TBufferXML.cxx:1339
h
#define h(i)
Definition: RSha256.hxx:106
TBufferXML::WriteFloat
virtual void WriteFloat(Float_t f)
Writes Float_t value to buffer.
Definition: TBufferXML.cxx:2746
TBufferXML::CheckVersionBuf
void CheckVersionBuf()
Checks buffer, filled by WriteVersion if next data is arriving, version should be stored in buffer...
Definition: TBufferXML.cxx:1479
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:88
Long_t
long Long_t
Definition: RtypesCore.h:50
d
#define d(i)
Definition: RSha256.hxx:102
TBufferXML::ConvertFromXML
static TObject * ConvertFromXML(const char *str, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Read object from XML, produced by ConvertToXML() method.
Definition: TBufferXML.cxx:168
TBufferXML::WriteVersion
virtual UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt=kFALSE)
Copies class version to buffer, but not writes it to xml Version will be written with next I/O operat...
Definition: TBufferXML.cxx:1494
TBufferText
Base class for text-based streamers like TBufferJSON or TBufferXML Special actions list will use meth...
Definition: TBufferText.h:21
TBufferXML::ReadDouble
virtual void ReadDouble(Double_t &d)
Reads Double_t value from buffer.
Definition: TBufferXML.cxx:2540
Double_t
double Double_t
Definition: RtypesCore.h:55
TBufferXML::WriteArray
virtual void WriteArray(const Bool_t *b, Int_t n)
Write array of Bool_t to buffer.
Definition: TBufferXML.cxx:2070
TBufferXML::ExtractPointer
Bool_t ExtractPointer(XMLNodePointer_t node, void *&ptr, TClass *&cl)
Searches for "ptr" attribute and returns pointer to object and class, if "ptr" attribute reference to...
Definition: TBufferXML.cxx:579
TBufferXML::ReadInt
virtual void ReadInt(Int_t &i)
Reads Int_t value from buffer.
Definition: TBufferXML.cxx:2477
TBufferXML::ReadUShort
virtual void ReadUShort(UShort_t &s)
Reads UShort_t value from buffer.
Definition: TBufferXML.cxx:2468
ULong64_t
unsigned long long ULong64_t
Definition: RtypesCore.h:70
ULong_t
unsigned long ULong_t
Definition: RtypesCore.h:51
TBufferXML::ReadULong
virtual void ReadULong(ULong_t &l)
Reads ULong_t value from buffer.
Definition: TBufferXML.cxx:2504
TGeoUnit::s
static constexpr double s
Definition: TGeoSystemOfUnits.h:162
TBufferXML::GetCompressionLevel
Int_t GetCompressionLevel() const
Definition: TBufferXML.h:346
TBufferXML::ReadTString
virtual void ReadTString(TString &s)
Reads a TString.
Definition: TBufferXML.cxx:2560
TBufferXML::WriteDouble
virtual void WriteDouble(Double_t d)
Writes Double_t value to buffer.
Definition: TBufferXML.cxx:2755
TBufferXML::WriteBool
virtual void WriteBool(Bool_t b)
Writes Bool_t value to buffer.
Definition: TBufferXML.cxx:2647
TObject
Mother of all ROOT objects.
Definition: TObject.h:37
TBufferXML::XmlWriteBasic
XMLNodePointer_t XmlWriteBasic(Char_t value)
Converts Char_t to string and add xml node to buffer.
Definition: TBufferXML.cxx:2842
Char_t
char Char_t
Definition: RtypesCore.h:29
TBufferXML::XmlReadFastArray
R__ALWAYS_INLINE void XmlReadFastArray(T *arr, Int_t n)
Template method to read content of array, which not include size of array Also treated situation...
Definition: TBufferXML.cxx:1798
TBufferXML
Class for serializing/deserializing object to/from xml.
Definition: TBufferXML.h:35
TBufferXML::ReadLong64
virtual void ReadLong64(Long64_t &l)
Reads Long64_t value from buffer.
Definition: TBufferXML.cxx:2513
l
auto * l
Definition: textangle.C:4
file
Definition: file.py:1
TBufferXML::fErrorFlag
Int_t fErrorFlag
! Error flag
Definition: TBufferXML.h:330
TBufferXML::GetIOVersion
Int_t GetIOVersion() const
Definition: TBufferXML.h:67
TBufferXML::GetCompressionAlgorithm
Int_t GetCompressionAlgorithm() const
Definition: TBufferXML.h:340
b
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
Definition: TRolke.cxx:630
TBufferXML::SkipObjectAny
virtual void SkipObjectAny()
Skip any kind of object from buffer Actually skip only one node on current level of xml structure...
Definition: TBufferXML.cxx:1525
TBufferXML::WriteClass
virtual void WriteClass(const TClass *cl)
Function to write class into buffer, used in old-style streamers.
Definition: TBufferXML.cxx:1436
c
#define c(i)
Definition: RSha256.hxx:101
TBufferXML::SetStreamerElementNumber
virtual void SetStreamerElementNumber(TStreamerElement *elem, Int_t comp_type)
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and add/verify next elemen...
Definition: TBufferXML.cxx:980
UChar_t
unsigned char UChar_t
Definition: RtypesCore.h:34
TBufferXML::PerformPostProcessing
void PerformPostProcessing()
Function is converts TObject and TString structures to more compact representation.
Definition: TBufferXML.cxx:1222
TBufferXML::ReadChar
virtual void ReadChar(Char_t &c)
Reads Char_t value from buffer.
Definition: TBufferXML.cxx:2441
TBufferXML::ClassBegin
virtual void ClassBegin(const TClass *, Version_t=-1)
Should be called at the beginning of custom class streamer.
Definition: TBufferXML.cxx:1069
TVirtualStreamerInfo
Abstract Interface class describing Streamer information for one class.
Definition: TVirtualStreamerInfo.h:37
TBuffer::WriteStdString
virtual void WriteStdString(const std::string *s)=0
TBufferXML::ReadFastArrayString
virtual void ReadFastArrayString(Char_t *c, Int_t n)
Read array of n characters from the I/O buffer.
Definition: TBufferXML.cxx:1842
TBufferXML::ShiftStack
void ShiftStack(const char *info=nullptr)
Shift stack node to next.
Definition: TBufferXML.cxx:350
n
const Int_t n
Definition: legend1.C:16
TBufferXML::ReadFloat
virtual void ReadFloat(Float_t &f)
Reads Float_t value from buffer.
Definition: TBufferXML.cxx:2531
TBufferXML::PopStack
TXMLStackObj * PopStack()
Remove one level from xml stack.
Definition: TBufferXML.cxx:329
TBufferXML::XmlReadBasic
void XmlReadBasic(Char_t &value)
Reads string from current xml node and convert it to Char_t value.
Definition: TBufferXML.cxx:2987
TBufferXML::fStack
std::deque< TXMLStackObj * > fStack
! Stack of processed objects
Definition: TBufferXML.h:327
TBufferXML::ConvertFromXMLAny
static void * ConvertFromXMLAny(const char *str, TClass **cl=nullptr, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Read object of any class from XML, produced by ConvertToXML() method.
Definition: TBufferXML.cxx:191
TBufferXML::XmlReadArray
R__ALWAYS_INLINE Int_t XmlReadArray(T *&arr, bool is_static=false)
Template method to read array with size attribute If necessary, array is created. ...
Definition: TBufferXML.cxx:1564
name
char name[80]
Definition: TGX11.cxx:109
TExMap
This class stores a (key,value) pair using an external hash.
Definition: TExMap.h:33
TBufferXML::XmlWriteFastArray
R__ALWAYS_INLINE void XmlWriteFastArray(const T *arr, Int_t n)
Write array without size attribute Also treat situation, when instead of one single array chain of se...
Definition: TBufferXML.cxx:2177
TBufferXML::WriteObjectClass
virtual void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse)
Write object to buffer. Only used from TBuffer.
Definition: TBufferXML.cxx:1533
TBufferXML::XmlReadValue
const char * XmlReadValue(const char *name)
read string value from current stack node
Definition: TBufferXML.cxx:3147
TBufferXML::XmlReadAny
void * XmlReadAny(XMLNodePointer_t node, void *obj, TClass **cl)
Recreate object from xml structure.
Definition: TBufferXML.cxx:259