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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 "Compression.h"
16#include "TBufferText.h"
17#include "TXMLSetup.h"
18#include "TString.h"
19#include "TXMLEngine.h"
20
21#include <string>
22#include <deque>
23#include <memory>
24
25class TExMap;
27class TStreamerInfo;
29class TMemberStreamer;
30class TXMLFile;
31class TXMLStackObj;
32
33class TBufferXML final : public TBufferText, public TXMLSetup {
34
35 friend class TKeyXML;
36
37public:
40 virtual ~TBufferXML();
41
42 static TString ConvertToXML(const TObject *obj, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
43 static TString
44 ConvertToXML(const void *obj, const TClass *cl, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
45
46 template <class T>
47 static TString ToXML(const T *obj, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE)
48 {
49 return ConvertToXML(obj, TClass::GetClass<T>(), GenericLayout, UseNamespaces);
50 }
51
52 static TObject *ConvertFromXML(const char *str, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE);
53 static void *ConvertFromXMLAny(const char *str, TClass **cl = nullptr, Bool_t GenericLayout = kFALSE,
54 Bool_t UseNamespaces = kFALSE);
55
56 template <class T>
57 static Bool_t FromXML(T *&obj, const char *xml, Bool_t GenericLayout = kFALSE, Bool_t UseNamespaces = kFALSE)
58 {
59 if (obj)
60 return kFALSE;
61 obj = (T *)ConvertFromXMLChecked(xml, TClass::GetClass<T>(), GenericLayout, UseNamespaces);
62 return obj != nullptr;
63 }
64
65 Int_t GetIOVersion() const { return fIOVersion; }
67
68 // suppress class writing/reading
69
70 TClass *ReadClass(const TClass *cl = nullptr, UInt_t *objTag = nullptr) final;
71 void WriteClass(const TClass *cl) final;
72
73 // redefined virtual functions of TBuffer
74
75 Version_t ReadVersion(UInt_t *start = nullptr, UInt_t *bcnt = nullptr, const TClass *cl = nullptr) final;
76 UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt = kFALSE) final;
77
78 void *ReadObjectAny(const TClass *clCast) final;
79 void SkipObjectAny() final;
80
82 void SetStreamerElementNumber(TStreamerElement *elem, Int_t comp_type) final;
84
85 void ClassBegin(const TClass *, Version_t = -1) final;
86 void ClassEnd(const TClass *) final;
87 void ClassMember(const char *name, const char *typeName = nullptr, Int_t arrsize1 = -1, Int_t arrsize2 = -1) final;
88
89 Int_t ReadArray(Bool_t *&b) final;
90 Int_t ReadArray(Char_t *&c) final;
91 Int_t ReadArray(UChar_t *&c) final;
92 Int_t ReadArray(Short_t *&h) final;
93 Int_t ReadArray(UShort_t *&h) final;
94 Int_t ReadArray(Int_t *&i) final;
95 Int_t ReadArray(UInt_t *&i) final;
96 Int_t ReadArray(Long_t *&l) final;
97 Int_t ReadArray(ULong_t *&l) final;
98 Int_t ReadArray(Long64_t *&l) final;
99 Int_t ReadArray(ULong64_t *&l) final;
100 Int_t ReadArray(Float_t *&f) final;
101 Int_t ReadArray(Double_t *&d) final;
102
108 Int_t ReadStaticArray(Int_t *i) final;
109 Int_t ReadStaticArray(UInt_t *i) final;
116
117 void ReadFastArray(Bool_t *b, Int_t n) final;
118 void ReadFastArray(Char_t *c, Int_t n) final;
119 void ReadFastArray(UChar_t *c, Int_t n) final;
120 void ReadFastArray(Short_t *h, Int_t n) final;
121 void ReadFastArray(UShort_t *h, Int_t n) final;
122 void ReadFastArray(Int_t *i, Int_t n) final;
123 void ReadFastArray(UInt_t *i, Int_t n) final;
124 void ReadFastArray(Long_t *l, Int_t n) final;
125 void ReadFastArray(ULong_t *l, Int_t n) final;
126 void ReadFastArray(Long64_t *l, Int_t n) final;
127 void ReadFastArray(ULong64_t *l, Int_t n) final;
128 void ReadFastArray(Float_t *f, Int_t n) final;
129 void ReadFastArray(Double_t *d, Int_t n) final;
130 void ReadFastArrayString(Char_t *c, Int_t n) final;
131 void ReadFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr,
132 const TClass *onFileClass = nullptr) final;
133 void ReadFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
134 TMemberStreamer *s = nullptr, const TClass *onFileClass = nullptr) final;
135
136 void WriteArray(const Bool_t *b, Int_t n) final;
137 void WriteArray(const Char_t *c, Int_t n) final;
138 void WriteArray(const UChar_t *c, Int_t n) final;
139 void WriteArray(const Short_t *h, Int_t n) final;
140 void WriteArray(const UShort_t *h, Int_t n) final;
141 void WriteArray(const Int_t *i, Int_t n) final;
142 void WriteArray(const UInt_t *i, Int_t n) final;
143 void WriteArray(const Long_t *l, Int_t n) final;
144 void WriteArray(const ULong_t *l, Int_t n) final;
145 void WriteArray(const Long64_t *l, Int_t n) final;
146 void WriteArray(const ULong64_t *l, Int_t n) final;
147 void WriteArray(const Float_t *f, Int_t n) final;
148 void WriteArray(const Double_t *d, Int_t n) final;
149
150 void WriteFastArray(const Bool_t *b, Int_t n) final;
151 void WriteFastArray(const Char_t *c, Int_t n) final;
152 void WriteFastArray(const UChar_t *c, Int_t n) final;
153 void WriteFastArray(const Short_t *h, Int_t n) final;
154 void WriteFastArray(const UShort_t *h, Int_t n) final;
155 void WriteFastArray(const Int_t *i, Int_t n) final;
156 void WriteFastArray(const UInt_t *i, Int_t n) final;
157 void WriteFastArray(const Long_t *l, Int_t n) final;
158 void WriteFastArray(const ULong_t *l, Int_t n) final;
159 void WriteFastArray(const Long64_t *l, Int_t n) final;
160 void WriteFastArray(const ULong64_t *l, Int_t n) final;
161 void WriteFastArray(const Float_t *f, Int_t n) final;
162 void WriteFastArray(const Double_t *d, Int_t n) final;
163 void WriteFastArrayString(const Char_t *c, Int_t n) final;
164 void WriteFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr) final;
165 Int_t WriteFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
166 TMemberStreamer *s = nullptr) final;
167
168 void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass = nullptr) final;
170
171 void ReadBool(Bool_t &b) final;
172 void ReadChar(Char_t &c) final;
173 void ReadUChar(UChar_t &c) final;
174 void ReadShort(Short_t &s) final;
175 void ReadUShort(UShort_t &s) final;
176 void ReadInt(Int_t &i) final;
177 void ReadUInt(UInt_t &i) final;
178 void ReadLong(Long_t &l) final;
179 void ReadULong(ULong_t &l) final;
180 void ReadLong64(Long64_t &l) final;
181 void ReadULong64(ULong64_t &l) final;
182 void ReadFloat(Float_t &f) final;
183 void ReadDouble(Double_t &d) final;
184 void ReadCharP(Char_t *c) final;
185 void ReadTString(TString &s) final;
186 void ReadStdString(std::string *s) final;
187 using TBuffer::ReadStdString;
188 void ReadCharStar(char *&s) final;
189
190 void WriteBool(Bool_t b) final;
191 void WriteChar(Char_t c) final;
192 void WriteUChar(UChar_t c) final;
193 void WriteShort(Short_t s) final;
194 void WriteUShort(UShort_t s) final;
195 void WriteInt(Int_t i) final;
196 void WriteUInt(UInt_t i) final;
197 void WriteLong(Long_t l) final;
198 void WriteULong(ULong_t l) final;
199 void WriteLong64(Long64_t l) final;
200 void WriteULong64(ULong64_t l) final;
201 void WriteFloat(Float_t f) final;
202 void WriteDouble(Double_t d) final;
203 void WriteCharP(const Char_t *c) final;
204 void WriteTString(const TString &s) final;
205 void WriteStdString(const std::string *s) final;
206 using TBuffer::WriteStdString;
207 void WriteCharStar(char *s) final;
208
210
211protected:
212 // redefined protected virtual functions
213
214 void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse) final;
215
216 // end redefined protected virtual functions
217
218 static void *ConvertFromXMLChecked(const char *xml, const TClass *expectedClass, Bool_t GenericLayout = kFALSE,
219 Bool_t UseNamespaces = kFALSE);
220
221 TXMLFile *XmlFile();
222
226 void SetCompressionAlgorithm(Int_t algorithm = ROOT::RCompressionSetting::EAlgorithm::kUseGlobal);
227 void SetCompressionLevel(Int_t level = ROOT::RCompressionSetting::ELevel::kUseMin);
228 void SetCompressionSettings(Int_t settings = ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault);
229 void SetXML(TXMLEngine *xml) { fXML = xml; }
230
232 XMLNodePointer_t XmlWriteAny(const void *obj, const TClass *cl);
233
235 void *XmlReadAny(XMLNodePointer_t node, void *obj, TClass **cl);
236
239 void ShiftStack(const char *info = nullptr);
240
243 {
244 return (depth < fStack.size()) ? (depth ? fStack[fStack.size() - depth - 1].get() : fStack.back().get()) : nullptr;
245 }
246
247 void WorkWithClass(TStreamerInfo *info, const TClass *cl = nullptr);
248 void WorkWithElement(TStreamerElement *elem, Int_t comp_type);
249 Bool_t VerifyNode(XMLNodePointer_t node, const char *name, const char *errinfo = nullptr);
250 Bool_t VerifyStackNode(const char *name, const char *errinfo = nullptr);
251
252 Bool_t VerifyAttr(XMLNodePointer_t node, const char *name, const char *value, const char *errinfo = nullptr);
253 Bool_t VerifyStackAttr(const char *name, const char *value, const char *errinfo = nullptr);
254
255 Bool_t ProcessPointer(const void *ptr, XMLNodePointer_t node);
256 Bool_t ExtractPointer(XMLNodePointer_t node, void *&ptr, TClass *&cl);
257 void ExtractReference(XMLNodePointer_t node, const void *ptr, const TClass *cl);
258
260 Bool_t VerifyItemNode(const char *name, const char *errinfo = nullptr);
261
262 void CreateElemNode(const TStreamerElement *elem);
264
265 void PerformPreProcessing(const TStreamerElement *elem, XMLNodePointer_t elemnode);
267
281 XMLNodePointer_t XmlWriteValue(const char *value, const char *name);
282
283 void XmlReadBasic(Char_t &value);
284 void XmlReadBasic(Short_t &value);
285 void XmlReadBasic(Int_t &value);
286 void XmlReadBasic(Long_t &value);
287 void XmlReadBasic(Long64_t &value);
288 void XmlReadBasic(Float_t &value);
289 void XmlReadBasic(Double_t &value);
290 void XmlReadBasic(Bool_t &value);
291 void XmlReadBasic(UChar_t &value);
292 void XmlReadBasic(UShort_t &value);
293 void XmlReadBasic(UInt_t &value);
294 void XmlReadBasic(ULong_t &value);
295 void XmlReadBasic(ULong64_t &value);
296 const char *XmlReadValue(const char *name);
297
298 template <typename T>
299 R__ALWAYS_INLINE void XmlReadArrayContent(T *arr, Int_t arrsize);
300
301 template <typename T>
302 R__ALWAYS_INLINE Int_t XmlReadArray(T *&arr, bool is_static = false);
303
304 template <typename T>
306
307 template <typename T>
308 R__ALWAYS_INLINE void XmlWriteArrayContent(const T *arr, Int_t arrsize);
309
310 template <typename T>
311 R__ALWAYS_INLINE void XmlWriteArray(const T *arr, Int_t arrsize);
312
313 template <typename T>
314 R__ALWAYS_INLINE void XmlWriteFastArray(const T *arr, Int_t n);
315
316 XMLNodePointer_t XmlWriteObject(const void *obj, const TClass *objClass, Bool_t cacheReuse);
317 void *XmlReadObject(void *obj, TClass **cl = nullptr);
318
319 void BeforeIOoperation();
320 void CheckVersionBuf();
321
322 TXMLEngine *fXML{nullptr}; ///<! instance of TXMLEngine for working with XML structures
323 std::deque<std::unique_ptr<TXMLStackObj>> fStack; ///<! Stack of processed objects
324 Version_t fVersionBuf{-111}; ///<! Current version buffer
325 TString fValueBuf; ///<! Current value buffer
326 Int_t fErrorFlag{0}; ///<! Error flag
327 Bool_t fCanUseCompact{kFALSE}; ///<! Flag indicate that basic type (like Int_t) can be placed in the same tag
328 TClass *fExpectedBaseClass{nullptr}; ///<! Pointer to class, which should be stored as parent of current
329 Int_t fCompressLevel{0}; ///<! Compression level and algorithm
330 Int_t fIOVersion{3}; ///<! Indicates format of ROOT xml file
331
332 ClassDefOverride(TBufferXML, 0); // a specialized TBuffer to read/write to XML files
333};
334
335//______________________________________________________________________________
337{
338 return (fCompressLevel < 0) ? -1 : fCompressLevel / 100;
339}
340
341//______________________________________________________________________________
343{
344 return (fCompressLevel < 0) ? -1 : fCompressLevel % 100;
345}
346
347//______________________________________________________________________________
349{
350 return (fCompressLevel < 0) ? -1 : fCompressLevel;
351}
352
353#endif
#define R__ALWAYS_INLINE
Definition: RConfig.hxx:563
#define d(i)
Definition: RSha256.hxx:102
#define b(i)
Definition: RSha256.hxx:100
#define f(i)
Definition: RSha256.hxx:104
#define c(i)
Definition: RSha256.hxx:101
#define h(i)
Definition: RSha256.hxx:106
unsigned short UShort_t
Definition: RtypesCore.h:40
int Int_t
Definition: RtypesCore.h:45
short Version_t
Definition: RtypesCore.h:65
unsigned char UChar_t
Definition: RtypesCore.h:38
char Char_t
Definition: RtypesCore.h:33
unsigned int UInt_t
Definition: RtypesCore.h:46
const Bool_t kFALSE
Definition: RtypesCore.h:101
unsigned long ULong_t
Definition: RtypesCore.h:55
long Long_t
Definition: RtypesCore.h:54
bool Bool_t
Definition: RtypesCore.h:63
short Short_t
Definition: RtypesCore.h:39
double Double_t
Definition: RtypesCore.h:59
long long Long64_t
Definition: RtypesCore.h:80
unsigned long long ULong64_t
Definition: RtypesCore.h:81
float Float_t
Definition: RtypesCore.h:57
char name[80]
Definition: TGX11.cxx:110
void * XMLNodePointer_t
Definition: TXMLEngine.h:17
Base class for text-based streamers like TBufferJSON or TBufferXML Special actions list will use meth...
Definition: TBufferText.h:20
Class for serializing/deserializing object to/from xml.
Definition: TBufferXML.h:33
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:522
void WriteLong(Long_t l) final
Writes Long_t value to buffer.
void WriteFastArray(const Bool_t *b, Int_t n) final
Write array of Bool_t to buffer.
void SetXML(TXMLEngine *xml)
Definition: TBufferXML.h:229
Int_t GetCompressionSettings() const
Definition: TBufferXML.h:348
TXMLStackObj * PushStack(XMLNodePointer_t current, Bool_t simple=kFALSE)
Add new level to xml stack.
Definition: TBufferXML.cxx:298
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:647
void WorkWithClass(TStreamerInfo *info, const TClass *cl=nullptr)
Prepares buffer to stream data of specified class.
Definition: TBufferXML.cxx:862
Bool_t VerifyStackNode(const char *name, const char *errinfo=nullptr)
Check, if stack node has specified name.
Definition: TBufferXML.cxx:639
Int_t GetCompressionAlgorithm() const
Definition: TBufferXML.h:336
void ReadUShort(UShort_t &s) final
Reads UShort_t value from buffer.
void ReadUInt(UInt_t &i) final
Reads UInt_t value from buffer.
Int_t fCompressLevel
! Compression level and algorithm
Definition: TBufferXML.h:329
void SetCompressionSettings(Int_t settings=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault)
Used to specify the compression level and algorithm.
Definition: TBufferXML.cxx:381
TString fValueBuf
! Current value buffer
Definition: TBufferXML.h:325
void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass=nullptr) final
Stream object to/from buffer.
Int_t GetCompressionLevel() const
Definition: TBufferXML.h:342
void WriteStdString(const std::string *s) final
Writes a std::string.
void ReadDouble(Double_t &d) final
Reads Double_t value from buffer.
TBufferXML(TBuffer::EMode mode)
Creates buffer object to serialize/deserialize data to/from xml.
Definition: TBufferXML.cxx:59
Bool_t VerifyNode(XMLNodePointer_t node, const char *name, const char *errinfo=nullptr)
Check if node has specified name.
Definition: TBufferXML.cxx:621
void ReadFastArrayString(Char_t *c, Int_t n) final
Read array of n characters from the I/O buffer.
void WriteLong64(Long64_t l) final
Writes Long64_t value to buffer.
void WriteChar(Char_t c) final
Writes Char_t value to buffer.
TXMLEngine * fXML
! instance of TXMLEngine for working with XML structures
Definition: TBufferXML.h:322
std::deque< std::unique_ptr< TXMLStackObj > > fStack
! Stack of processed objects
Definition: TBufferXML.h:323
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:105
void WriteFloat(Float_t f) final
Writes Float_t value to buffer.
void ReadTString(TString &s) final
Reads a TString.
void WriteTString(const TString &s) final
Writes a TString.
void IncrementLevel(TVirtualStreamerInfo *) final
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and indent new level in xm...
Definition: TBufferXML.cxx:854
void SetIOVersion(Int_t v)
Definition: TBufferXML.h:66
void WriteArray(const Bool_t *b, Int_t n) final
Write array of Bool_t to buffer.
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:228
void XmlReadBasic(Char_t &value)
Reads string from current xml node and convert it to Char_t value.
void ReadULong(ULong_t &l) final
Reads ULong_t value from buffer.
Int_t GetIOVersion() const
Definition: TBufferXML.h:65
R__ALWAYS_INLINE void XmlWriteArrayContent(const T *arr, Int_t arrsize)
XMLNodePointer_t XmlWriteValue(const char *value, const char *name)
Create xml node with specified name and adds it to stack node.
void SkipObjectAny() final
Skip any kind of object from buffer Actually skip only one node on current level of xml structure.
Bool_t VerifyStackAttr(const char *name, const char *value, const char *errinfo=nullptr)
Checks stack attribute.
Definition: TBufferXML.cxx:666
void ReadFloat(Float_t &f) final
Reads Float_t value from buffer.
void ReadULong64(ULong64_t &l) final
Reads ULong64_t value from buffer.
XMLNodePointer_t XmlWriteBasic(Char_t value)
Converts Char_t to string and add xml node to buffer.
void ShiftStack(const char *info=nullptr)
Shift stack node to next.
Definition: TBufferXML.cxx:331
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 ...
void WriteFastArrayString(const Char_t *c, Int_t n) final
Write array of n characters into the I/O buffer.
void ReadShort(Short_t &s) final
Reads Short_t value from buffer.
void BeforeIOoperation()
Function is called before any IO operation of TBuffer Now is used to store version value if no proper...
TClass * ReadClass(const TClass *cl=nullptr, UInt_t *objTag=nullptr) final
Function to read class from buffer, used in old-style streamers.
Int_t fErrorFlag
! Error flag
Definition: TBufferXML.h:326
void ReadChar(Char_t &c) final
Reads Char_t value from buffer.
R__ALWAYS_INLINE void XmlReadArrayContent(T *arr, Int_t arrsize)
Template method to read array content.
void ClassEnd(const TClass *) final
Should be called at the end of custom streamer See TBufferXML::ClassBegin for more details.
void ReadLong64(Long64_t &l) final
Reads Long64_t value from buffer.
Version_t fVersionBuf
! Current version buffer
Definition: TBufferXML.h:324
void ClassBegin(const TClass *, Version_t=-1) final
Should be called at the beginning of custom class streamer.
void XmlReadBlock(XMLNodePointer_t node)
Read binary block of data from xml.
Definition: TBufferXML.cxx:451
void * XmlReadObject(void *obj, TClass **cl=nullptr)
Read object from the buffer.
Definition: TBufferXML.cxx:787
void ReadCharP(Char_t *c) final
Reads array of characters from buffer.
Bool_t fCanUseCompact
! Flag indicate that basic type (like Int_t) can be placed in the same tag
Definition: TBufferXML.h:327
R__ALWAYS_INLINE void XmlWriteArray(const T *arr, Int_t arrsize)
Write array, including it size Content may be compressed.
void ReadStdString(std::string *s) final
Reads a std::string.
void ReadBool(Bool_t &b) final
Reads Bool_t value from buffer.
void WriteUShort(UShort_t s) final
Writes UShort_t value to buffer.
void WriteClass(const TClass *cl) final
Function to write class into buffer, used in old-style streamers.
void WriteCharStar(char *s) final
Write a char* string.
const char * XmlReadValue(const char *name)
read string value from current stack node
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:559
void ReadFastArray(Bool_t *b, Int_t n) final
Read array of Bool_t from buffer.
void DecrementLevel(TVirtualStreamerInfo *) final
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and decrease level in xml ...
Definition: TBufferXML.cxx:928
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...
void PerformPostProcessing()
Function is converts TObject and TString structures to more compact representation.
void SetStreamerElementNumber(TStreamerElement *elem, Int_t comp_type) final
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and add/verify next elemen...
Definition: TBufferXML.cxx:960
void WriteCharP(const Char_t *c) final
Writes array of characters to buffer.
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:154
void ClassMember(const char *name, const char *typeName=nullptr, Int_t arrsize1=-1, Int_t arrsize2=-1) final
Method indicates name and typename of class member, which should be now streamed in custom streamer.
Int_t ReadStaticArray(Bool_t *b) final
Read array of Bool_t from buffer.
void * XmlReadAny(XMLNodePointer_t node, void *obj, TClass **cl)
Recreate object from xml structure.
Definition: TBufferXML.cxx:245
XMLNodePointer_t StackNode()
Return pointer on current xml node.
Definition: TBufferXML.cxx:322
void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse) final
Write object to buffer. Only used from TBuffer.
Int_t fIOVersion
! Indicates format of ROOT xml file
Definition: TBufferXML.h:330
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,...
Bool_t VerifyItemNode(const char *name, const char *errinfo=nullptr)
Checks, if stack node is item and has specified name.
Definition: TBufferXML.cxx:688
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:201
void * ReadObjectAny(const TClass *clCast) final
Read object from buffer. Only used from TBuffer.
void ReadLong(Long_t &l) final
Reads Long_t value from buffer.
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:595
void SetCompressionLevel(Int_t level=ROOT::RCompressionSetting::ELevel::kUseMin)
See comments for function SetCompressionSettings.
Definition: TBufferXML.cxx:359
Version_t ReadVersion(UInt_t *start=nullptr, UInt_t *bcnt=nullptr, const TClass *cl=nullptr) final
Read version value from buffer.
void ReadInt(Int_t &i) final
Reads Int_t value from buffer.
ClassDefOverride(TBufferXML, 0)
Int_t ReadArray(Bool_t *&b) final
Read array of Bool_t from buffer.
void SetCompressionAlgorithm(Int_t algorithm=ROOT::RCompressionSetting::EAlgorithm::kUseGlobal)
See comments for function SetCompressionSettings.
Definition: TBufferXML.cxx:344
void WriteDouble(Double_t d) final
Writes Double_t value to buffer.
void CheckVersionBuf()
Checks buffer, filled by WriteVersion if next data is arriving, version should be stored in buffer.
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:755
TXMLFile * XmlFile()
Returns pointer to TXMLFile object.
Definition: TBufferXML.cxx:94
TVirtualStreamerInfo * GetInfo() final
Return current streamer info element.
void WriteUInt(UInt_t i) final
Writes UInt_t value to buffer.
void WorkWithElement(TStreamerElement *elem, Int_t comp_type)
This function is a part of SetStreamerElementNumber method.
Definition: TBufferXML.cxx:971
virtual ~TBufferXML()
Destroy xml buffer.
Definition: TBufferXML.cxx:86
void WriteBool(Bool_t b) final
Writes Bool_t value to buffer.
void XmlWriteBlock(XMLNodePointer_t node)
Write binary data block from buffer to xml.
Definition: TBufferXML.cxx:390
TClass * fExpectedBaseClass
! Pointer to class, which should be stored as parent of current
Definition: TBufferXML.h:328
static TString ToXML(const T *obj, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Definition: TBufferXML.h:47
void WriteShort(Short_t s) final
Writes Short_t value to buffer.
void WriteULong64(ULong64_t l) final
Writes ULong64_t value to buffer.
TXMLStackObj * Stack(UInt_t depth=0)
Definition: TBufferXML.h:242
XMLNodePointer_t CreateItemNode(const char *name)
Create item node of specified name.
Definition: TBufferXML.cxx:674
void WriteULong(ULong_t l) final
Writes ULong_t value to buffer.
TXMLStackObj * PopStack()
Remove one level from xml stack.
Definition: TBufferXML.cxx:312
void CreateElemNode(const TStreamerElement *elem)
Create xml node correspondent to TStreamerElement object.
Definition: TBufferXML.cxx:701
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:177
Bool_t VerifyElemNode(const TStreamerElement *elem)
Checks if stack node correspond to TStreamerElement object.
Definition: TBufferXML.cxx:729
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.
void ReadCharStar(char *&s) final
Read a char* string.
void ReadUChar(UChar_t &c) final
Reads UChar_t value from buffer.
UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt=kFALSE) final
Copies class version to buffer, but not writes it to xml Version will be written with next I/O operat...
void WriteUChar(UChar_t c) final
Writes UChar_t value to buffer.
static Bool_t FromXML(T *&obj, const char *xml, Bool_t GenericLayout=kFALSE, Bool_t UseNamespaces=kFALSE)
Definition: TBufferXML.h:57
void WriteInt(Int_t i) final
Writes Int_t value to buffer.
Buffer base class used for serializing objects.
Definition: TBuffer.h:43
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
This class stores a (key,value) pair using an external hash.
Definition: TExMap.h:33
Mother of all ROOT objects.
Definition: TObject.h:37
Describes a persistent version of a class.
Definition: TStreamerInfo.h:39
Basic string class.
Definition: TString.h:136
Abstract Interface class describing Streamer information for one class.
const Int_t n
Definition: legend1.C:16
double T(double x)
Definition: ChebyshevPol.h:34
tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tb...
static constexpr double s
Definition: file.py:1
auto * l
Definition: textangle.C:4