Logo ROOT  
Reference Guide
TBufferFile.h
Go to the documentation of this file.
1// @(#)root/io:$Id: 697641b2b52ed3d97bb5bde0fb5d2ff4a2f6c24f $
2// Author: Rene Brun 17/01/2007
3
4/*************************************************************************
5 * Copyright (C) 1995-2007, 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_TBufferFile
13#define ROOT_TBufferFile
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TBufferFile //
19// //
20// The concrete implementation of TBuffer for writing/reading to/from a //
21// ROOT file or socket. //
22// //
23//////////////////////////////////////////////////////////////////////////
24
25#include "TBufferIO.h"
26#include "Bytes.h"
27
28#include <vector>
29
30#ifdef R__OLDHPACC
31namespace std {
32 using ::string;
33 using ::vector;
34}
35#endif
36
38class TStreamerInfo;
40class TClass;
41class TVirtualArray;
42namespace TStreamerInfoActions {
43 class TActionSequence;
44}
45
46class TBufferFile : public TBufferIO {
47
48protected:
49 typedef std::vector<TStreamerInfo*> InfoList_t;
50
51 TStreamerInfo *fInfo{nullptr}; ///< Pointer to TStreamerInfo object writing/reading the buffer
52 InfoList_t fInfoStack; ///< Stack of pointers to the TStreamerInfos
53
54 // Default ctor
55 TBufferFile() {} // NOLINT: not allowed to use = default because of TObject::kIsOnHeap detection, see ROOT-10300
56
57 // TBuffer objects cannot be copied or assigned
58 TBufferFile(const TBufferFile &) = delete; ///< not implemented
59 void operator=(const TBufferFile &) = delete; ///< not implemented
60
61 Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const TClass *clss, const char* classname);
62 void CheckCount(UInt_t offset) override;
63 UInt_t CheckObject(UInt_t offset, const TClass *cl, Bool_t readClass = kFALSE);
64
65 void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse) override;
66
67public:
68 enum { kStreamedMemberWise = BIT(14) }; //added to version number to know if a collection has been stored member-wise
69
71 TBufferFile(TBuffer::EMode mode, Int_t bufsiz);
72 TBufferFile(TBuffer::EMode mode, Int_t bufsiz, void *buf, Bool_t adopt = kTRUE, ReAllocCharFun_t reallocfunc = nullptr);
73 virtual ~TBufferFile();
74
75 Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const TClass *clss) override;
76 Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const char *classname) override;
77 void SetByteCount(UInt_t cntpos, Bool_t packInVersion = kFALSE) override;
78
79 void SkipVersion(const TClass *cl = nullptr) override;
80 Version_t ReadVersion(UInt_t *start = nullptr, UInt_t *bcnt = nullptr, const TClass *cl = nullptr) override;
81 Version_t ReadVersionNoCheckSum(UInt_t *start = nullptr, UInt_t *bcnt = nullptr) override;
82 Version_t ReadVersionForMemberWise(const TClass *cl = nullptr) override;
83 UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt = kFALSE) override;
84 UInt_t WriteVersionMemberWise(const TClass *cl, Bool_t useBcnt = kFALSE) override;
85
86 void *ReadObjectAny(const TClass* cast) override;
87 void SkipObjectAny() override;
88
89 void IncrementLevel(TVirtualStreamerInfo* info) override;
93 void ClassBegin(const TClass*, Version_t = -1) override {}
94 void ClassEnd(const TClass*) override {}
95 void ClassMember(const char*, const char* = 0, Int_t = -1, Int_t = -1) override {}
96
97 Int_t ReadBuf(void *buf, Int_t max) override;
98 void WriteBuf(const void *buf, Int_t max) override;
99
100 char *ReadString(char *s, Int_t max) override;
101 void WriteString(const char *s) override;
102
103 TClass *ReadClass(const TClass *cl = nullptr, UInt_t *objTag = nullptr) override;
104 void WriteClass(const TClass *cl) override;
105
106 TObject *ReadObject(const TClass *cl) override;
107
109
110 // basic types and arrays of basic types
111 void ReadFloat16 (Float_t *f, TStreamerElement *ele = nullptr) override;
112 void WriteFloat16(Float_t *f, TStreamerElement *ele = nullptr) override;
113 void ReadDouble32 (Double_t *d, TStreamerElement *ele = nullptr) override;
114 void WriteDouble32(Double_t *d, TStreamerElement *ele = nullptr) override;
115 void ReadWithFactor(Float_t *ptr, Double_t factor, Double_t minvalue) override;
116 void ReadWithNbits(Float_t *ptr, Int_t nbits) override;
117 void ReadWithFactor(Double_t *ptr, Double_t factor, Double_t minvalue) override;
118 void ReadWithNbits(Double_t *ptr, Int_t nbits) override;
119
120 Int_t ReadArray(Bool_t *&b) override;
121 Int_t ReadArray(Char_t *&c) override;
122 Int_t ReadArray(UChar_t *&c) override;
123 Int_t ReadArray(Short_t *&h) override;
124 Int_t ReadArray(UShort_t *&h) override;
125 Int_t ReadArray(Int_t *&i) override;
126 Int_t ReadArray(UInt_t *&i) override;
127 Int_t ReadArray(Long_t *&l) override;
128 Int_t ReadArray(ULong_t *&l) override;
129 Int_t ReadArray(Long64_t *&l) override;
130 Int_t ReadArray(ULong64_t *&l) override;
131 Int_t ReadArray(Float_t *&f) override;
132 Int_t ReadArray(Double_t *&d) override;
133 Int_t ReadArrayFloat16(Float_t *&f, TStreamerElement *ele = nullptr) override;
134 Int_t ReadArrayDouble32(Double_t *&d, TStreamerElement *ele = nullptr) override;
135
136 Int_t ReadStaticArray(Bool_t *b) override;
137 Int_t ReadStaticArray(Char_t *c) override;
138 Int_t ReadStaticArray(UChar_t *c) override;
139 Int_t ReadStaticArray(Short_t *h) override;
140 Int_t ReadStaticArray(UShort_t *h) override;
141 Int_t ReadStaticArray(Int_t *i) override;
142 Int_t ReadStaticArray(UInt_t *i) override;
143 Int_t ReadStaticArray(Long_t *l) override;
144 Int_t ReadStaticArray(ULong_t *l) override;
145 Int_t ReadStaticArray(Long64_t *l) override;
146 Int_t ReadStaticArray(ULong64_t *l) override;
147 Int_t ReadStaticArray(Float_t *f) override;
148 Int_t ReadStaticArray(Double_t *d) override;
149 Int_t ReadStaticArrayFloat16(Float_t *f, TStreamerElement *ele = nullptr) override;
150 Int_t ReadStaticArrayDouble32(Double_t *d, TStreamerElement *ele = nullptr) override;
151
152 void ReadFastArray(Bool_t *b, Int_t n) override;
153 void ReadFastArray(Char_t *c, Int_t n) override;
154 void ReadFastArrayString(Char_t *c, Int_t n) override;
155 void ReadFastArray(UChar_t *c, Int_t n) override;
156 void ReadFastArray(Short_t *h, Int_t n) override;
157 void ReadFastArray(UShort_t *h, Int_t n) override;
158 void ReadFastArray(Int_t *i, Int_t n) override;
159 void ReadFastArray(UInt_t *i, Int_t n) override;
160 void ReadFastArray(Long_t *l, Int_t n) override;
161 void ReadFastArray(ULong_t *l, Int_t n) override;
162 void ReadFastArray(Long64_t *l, Int_t n) override;
163 void ReadFastArray(ULong64_t *l, Int_t n) override;
164 void ReadFastArray(Float_t *f, Int_t n) override;
165 void ReadFastArray(Double_t *d, Int_t n) override;
166 void ReadFastArrayFloat16(Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override;
167 void ReadFastArrayDouble32(Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override;
168 void ReadFastArrayWithFactor(Float_t *ptr, Int_t n, Double_t factor, Double_t minvalue) override;
169 void ReadFastArrayWithNbits(Float_t *ptr, Int_t n, Int_t nbits) override;
170 void ReadFastArrayWithFactor(Double_t *ptr, Int_t n, Double_t factor, Double_t minvalue) override;
171 void ReadFastArrayWithNbits(Double_t *ptr, Int_t n, Int_t nbits) override;
172 void ReadFastArray(void *start , const TClass *cl, Int_t n=1, TMemberStreamer *s = nullptr, const TClass* onFileClass = nullptr) override;
173 void ReadFastArray(void **startp, const TClass *cl, Int_t n=1, Bool_t isPreAlloc=kFALSE, TMemberStreamer *s = nullptr, const TClass* onFileClass = nullptr) override;
174
175 void WriteArray(const Bool_t *b, Int_t n) override;
176 void WriteArray(const Char_t *c, Int_t n) override;
177 void WriteArray(const UChar_t *c, Int_t n) override;
178 void WriteArray(const Short_t *h, Int_t n) override;
179 void WriteArray(const UShort_t *h, Int_t n) override;
180 void WriteArray(const Int_t *i, Int_t n) override;
181 void WriteArray(const UInt_t *i, Int_t n) override;
182 void WriteArray(const Long_t *l, Int_t n) override;
183 void WriteArray(const ULong_t *l, Int_t n) override;
184 void WriteArray(const Long64_t *l, Int_t n) override;
185 void WriteArray(const ULong64_t *l, Int_t n) override;
186 void WriteArray(const Float_t *f, Int_t n) override;
187 void WriteArray(const Double_t *d, Int_t n) override;
188 void WriteArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override;
189 void WriteArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override;
190
191 void WriteFastArray(const Bool_t *b, Int_t n) override;
192 void WriteFastArray(const Char_t *c, Int_t n) override;
193 void WriteFastArrayString(const Char_t *c, Int_t n) override;
194 void WriteFastArray(const UChar_t *c, Int_t n) override;
195 void WriteFastArray(const Short_t *h, Int_t n) override;
196 void WriteFastArray(const UShort_t *h, Int_t n) override;
197 void WriteFastArray(const Int_t *i, Int_t n) override;
198 void WriteFastArray(const UInt_t *i, Int_t n) override;
199 void WriteFastArray(const Long_t *l, Int_t n) override;
200 void WriteFastArray(const ULong_t *l, Int_t n) override;
201 void WriteFastArray(const Long64_t *l, Int_t n) override;
202 void WriteFastArray(const ULong64_t *l, Int_t n) override;
203 void WriteFastArray(const Float_t *f, Int_t n) override;
204 void WriteFastArray(const Double_t *d, Int_t n) override;
205 void WriteFastArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override;
206 void WriteFastArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override;
207 void WriteFastArray(void *start, const TClass *cl, Int_t n=1, TMemberStreamer *s = nullptr) override;
208 Int_t WriteFastArray(void **startp, const TClass *cl, Int_t n=1, Bool_t isPreAlloc=kFALSE, TMemberStreamer *s = nullptr) override;
209
210 void StreamObject(void *obj, const std::type_info &typeinfo, const TClass* onFileClass = nullptr) override;
211 void StreamObject(void *obj, const char *className, const TClass* onFileClass = nullptr) override;
212 void StreamObject(void *obj, const TClass *cl, const TClass* onFileClass = nullptr) override;
213 void StreamObject(TObject *obj) override;
214
215 void ReadBool(Bool_t &b) override;
216 void ReadChar(Char_t &c) override;
217 void ReadUChar(UChar_t &c) override;
218 void ReadShort(Short_t &s) override;
219 void ReadUShort(UShort_t &s) override;
220 void ReadInt(Int_t &i) override;
221 void ReadUInt(UInt_t &i) override;
222 void ReadLong(Long_t &l) override;
223 void ReadULong(ULong_t &l) override;
224 void ReadLong64(Long64_t &l) override;
225 void ReadULong64(ULong64_t &l) override;
226 void ReadFloat(Float_t &f) override;
227 void ReadDouble(Double_t &d) override;
228 void ReadCharP(Char_t *c) override;
229 void ReadTString(TString &s) override;
230 void ReadStdString(std::string *s) override;
232 void ReadCharStar(char* &s) override;
233
234 void WriteBool(Bool_t b) override;
235 void WriteChar(Char_t c) override;
236 void WriteUChar(UChar_t c) override;
237 void WriteShort(Short_t s) override;
238 void WriteUShort(UShort_t s) override;
239 void WriteInt(Int_t i) override;
240 void WriteUInt(UInt_t i) override;
241 void WriteLong(Long_t l) override;
242 void WriteULong(ULong_t l) override;
243 void WriteLong64(Long64_t l) override;
244 void WriteULong64(ULong64_t l) override;
245 void WriteFloat(Float_t f) override;
246 void WriteDouble(Double_t d) override;
247 void WriteCharP(const Char_t *c) override;
248 void WriteTString(const TString &s) override;
250 void WriteStdString(const std::string *s) override;
251 void WriteCharStar(char *s) override;
252
253 // Utilities for TClass
254 Int_t ReadClassEmulated(const TClass *cl, void *object, const TClass *onfile_class) override;
255 Int_t ReadClassBuffer(const TClass *cl, void *pointer, const TClass *onfile_class) override;
256 Int_t ReadClassBuffer(const TClass *cl, void *pointer, Int_t version, UInt_t start, UInt_t count, const TClass *onfile_class) override;
257 Int_t WriteClassBuffer(const TClass *cl, void *pointer) override;
258
259 // Utilities to streamer using sequences.
260 Int_t ApplySequence(const TStreamerInfoActions::TActionSequence &sequence, void *object) override;
261 Int_t ApplySequenceVecPtr(const TStreamerInfoActions::TActionSequence &sequence, void *start_collection, void *end_collection) override;
262 Int_t ApplySequence(const TStreamerInfoActions::TActionSequence &sequence, void *start_collection, void *end_collection) override;
263
264 ClassDefOverride(TBufferFile,0) //concrete implementation of TBuffer for writing/reading to/from a ROOT file or socket.
265};
266
267
268//---------------------- TBufferFile inlines ---------------------------------------
269
270//______________________________________________________________________________
272{
273 if (fBufCur + sizeof(UChar_t) > fBufMax) AutoExpand(fBufSize+sizeof(UChar_t));
274 tobuf(fBufCur, b);
275}
276
277//______________________________________________________________________________
279{
280 if (fBufCur + sizeof(Char_t) > fBufMax) AutoExpand(fBufSize+sizeof(Char_t));
281 tobuf(fBufCur, c);
282}
283
284//______________________________________________________________________________
286{
287 if (fBufCur + sizeof(UChar_t) > fBufMax) AutoExpand(fBufSize+sizeof(UChar_t));
289}
290
291//______________________________________________________________________________
293{
294 if (fBufCur + sizeof(Short_t) > fBufMax) AutoExpand(fBufSize+sizeof(Short_t));
295 tobuf(fBufCur, h);
296}
297
298//______________________________________________________________________________
300{
301 if (fBufCur + sizeof(UShort_t) > fBufMax) AutoExpand(fBufSize+sizeof(UShort_t));
303}
304
305//______________________________________________________________________________
307{
308 if (fBufCur + sizeof(Int_t) > fBufMax) AutoExpand(fBufSize+sizeof(Int_t));
309 tobuf(fBufCur, i);
310}
311
312//______________________________________________________________________________
314{
315 if (fBufCur + sizeof(UInt_t) > fBufMax) AutoExpand(fBufSize+sizeof(UInt_t));
316 tobuf(fBufCur, (Int_t)i);
317}
318
319//______________________________________________________________________________
321{
322 if (fBufCur + sizeof(Long_t) > fBufMax) AutoExpand(fBufSize+sizeof(Long_t));
323 tobuf(fBufCur, l);
324}
325
326//______________________________________________________________________________
328{
329 if (fBufCur + sizeof(ULong_t) > fBufMax) AutoExpand(fBufSize+sizeof(ULong_t));
331}
332
333//______________________________________________________________________________
335{
336 if (fBufCur + sizeof(Long64_t) > fBufMax) AutoExpand(fBufSize+sizeof(Long64_t));
337 tobuf(fBufCur, ll);
338}
339
340//______________________________________________________________________________
342{
343 if (fBufCur + sizeof(ULong64_t) > fBufMax) AutoExpand(fBufSize+sizeof(ULong64_t));
344 tobuf(fBufCur, (Long64_t)ll);
345}
346
347//______________________________________________________________________________
349{
350 if (fBufCur + sizeof(Float_t) > fBufMax) AutoExpand(fBufSize+sizeof(Float_t));
351 tobuf(fBufCur, f);
352}
353
354//______________________________________________________________________________
356{
357 if (fBufCur + sizeof(Double_t) > fBufMax) AutoExpand(fBufSize+sizeof(Double_t));
358 tobuf(fBufCur, d);
359}
360
361//______________________________________________________________________________
363{
364 WriteString(c);
365}
366
367//______________________________________________________________________________
369{
370 frombuf(fBufCur, &b);
371}
372
373//______________________________________________________________________________
375{
376 frombuf(fBufCur, &c);
377}
378
379//______________________________________________________________________________
381{
383}
384
385//______________________________________________________________________________
387{
388 frombuf(fBufCur, &h);
389}
390
391//______________________________________________________________________________
393{
395}
396
397//______________________________________________________________________________
399{
400 frombuf(fBufCur, &i);
401}
402
403//______________________________________________________________________________
405{
407}
408
409
410// in implementation file because special case with old version
411//______________________________________________________________________________
412//inline void TBufferFile::ReadLong(Long_t &ll)
413//{
414// frombuf(fBufCur, &ll);
415//}
416
417//______________________________________________________________________________
419{
421}
422
423
424//______________________________________________________________________________
426{
427 frombuf(fBufCur, &ll);
428}
429
430//______________________________________________________________________________
432{
434}
435
436//______________________________________________________________________________
438{
439 frombuf(fBufCur, &f);
440}
441
442//______________________________________________________________________________
444{
445 frombuf(fBufCur, &d);
446}
447
448//______________________________________________________________________________
450{
451 ReadString(c, -1);
452}
453
454//______________________________________________________________________________
456 { return TBufferFile::ReadArray((Char_t *&)c); }
457//______________________________________________________________________________
459 { return TBufferFile::ReadArray((Short_t *&)h); }
460//______________________________________________________________________________
462 { return TBufferFile::ReadArray((Int_t *&)i); }
463//______________________________________________________________________________
465 { return TBufferFile::ReadArray((Long_t *&)l); }
466//______________________________________________________________________________
468 { return TBufferFile::ReadArray((Long64_t *&)ll); }
469
470//______________________________________________________________________________
473//______________________________________________________________________________
476//______________________________________________________________________________
478 { return TBufferFile::ReadStaticArray((Int_t *)i); }
479//______________________________________________________________________________
482//______________________________________________________________________________
484 { return TBufferFile::ReadStaticArray((Long64_t *)ll); }
485
486//______________________________________________________________________________
489//______________________________________________________________________________
492//______________________________________________________________________________
495//______________________________________________________________________________
498//______________________________________________________________________________
501
502//______________________________________________________________________________
504 { TBufferFile::WriteArray((const Char_t *)c, n); }
505//______________________________________________________________________________
507 { TBufferFile::WriteArray((const Short_t *)h, n); }
508//______________________________________________________________________________
509inline void TBufferFile::WriteArray(const UInt_t *i, Int_t n)
510 { TBufferFile::WriteArray((const Int_t *)i, n); }
511//______________________________________________________________________________
513 { TBufferFile::WriteArray((const Long64_t *)ll, n); }
514
515//______________________________________________________________________________
517 { TBufferFile::WriteFastArray((const Char_t *)c, n); }
518//______________________________________________________________________________
520 { TBufferFile::WriteFastArray((const Short_t *)h, n); }
521//______________________________________________________________________________
523 { TBufferFile::WriteFastArray((const Int_t *)i, n); }
524//______________________________________________________________________________
526 { TBufferFile::WriteFastArray((const Long64_t *)ll, n); }
527
528#endif
void frombuf(char *&buf, Bool_t *x)
Definition: Bytes.h:280
void tobuf(char *&buf, Bool_t x)
Definition: Bytes.h:57
int Int_t
Definition: CPyCppyy.h:43
unsigned int UInt_t
Definition: CPyCppyy.h:44
unsigned long ULong_t
Definition: CPyCppyy.h:51
long Long_t
Definition: CPyCppyy.h:50
#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:38
short Version_t
Definition: RtypesCore.h:63
unsigned char UChar_t
Definition: RtypesCore.h:36
char Char_t
Definition: RtypesCore.h:31
const Bool_t kFALSE
Definition: RtypesCore.h:90
bool Bool_t
Definition: RtypesCore.h:61
short Short_t
Definition: RtypesCore.h:37
double Double_t
Definition: RtypesCore.h:57
float Float_t
Definition: RtypesCore.h:55
const Bool_t kTRUE
Definition: RtypesCore.h:89
#define BIT(n)
Definition: Rtypes.h:83
#define ClassDefOverride(name, id)
Definition: Rtypes.h:326
char *(* ReAllocCharFun_t)(char *, size_t, size_t)
Definition: TStorage.h:30
The concrete implementation of TBuffer for writing/reading to/from a ROOT file or socket.
Definition: TBufferFile.h:46
void ReadWithFactor(Float_t *ptr, Double_t factor, Double_t minvalue) override
Read a Float16_t from the buffer when the factor and minimum value have been specified see comments a...
void WriteBuf(const void *buf, Int_t max) override
Write max bytes from buf into the I/O buffer.
void operator=(const TBufferFile &)=delete
not implemented
TObject * ReadObject(const TClass *cl) override
Read object from I/O buffer.
TBufferFile(const TBufferFile &)=delete
not implemented
void ReadDouble32(Double_t *d, TStreamerElement *ele=nullptr) override
Read a Double32_t from the buffer, see comments about Double32_t encoding at TBufferFile::WriteDouble...
Int_t ReadStaticArrayFloat16(Float_t *f, TStreamerElement *ele=nullptr) override
Read array of floats (written as truncated float) from the I/O buffer.
void DecrementLevel(TVirtualStreamerInfo *) override
Decrement level.
Version_t ReadVersion(UInt_t *start=nullptr, UInt_t *bcnt=nullptr, const TClass *cl=nullptr) override
Read class version from I/O buffer.
Version_t ReadVersionNoCheckSum(UInt_t *start=nullptr, UInt_t *bcnt=nullptr) override
Read class version from I/O buffer, when the caller knows for sure that there is no checksum written/...
virtual ~TBufferFile()
Delete an I/O buffer object.
void SetByteCount(UInt_t cntpos, Bool_t packInVersion=kFALSE) override
Set byte count at position cntpos in the buffer.
void ReadWithNbits(Float_t *ptr, Int_t nbits) override
Read a Float16_t from the buffer when the number of bits is specified (explicitly or not) see comment...
void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse) override
Write object to I/O buffer.
void ReadTString(TString &s) override
Read TString from TBuffer.
void ReadCharStar(char *&s) override
Read char* from TBuffer.
void WriteLong(Long_t l) override
Definition: TBufferFile.h:320
void StreamObject(void *obj, const std::type_info &typeinfo, const TClass *onFileClass=nullptr) override
Stream an object given its C++ typeinfo information.
void WriteFloat(Float_t f) override
Definition: TBufferFile.h:348
UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt=kFALSE) override
Write class version to I/O buffer.
Int_t ReadBuf(void *buf, Int_t max) override
Read max bytes from the I/O buffer into buf.
void WriteShort(Short_t s) override
Definition: TBufferFile.h:292
void WriteULong64(ULong64_t l) override
Definition: TBufferFile.h:341
void WriteString(const char *s) override
Write string to I/O buffer.
void WriteUInt(UInt_t i) override
Definition: TBufferFile.h:313
char * ReadString(char *s, Int_t max) override
Read string from I/O buffer.
void ReadUShort(UShort_t &s) override
Definition: TBufferFile.h:392
void ReadShort(Short_t &s) override
Definition: TBufferFile.h:386
void WriteArray(const Bool_t *b, Int_t n) override
Write array of n bools into the I/O buffer.
void WriteULong(ULong_t l) override
Definition: TBufferFile.h:327
void ClassBegin(const TClass *, Version_t=-1) override
Definition: TBufferFile.h:93
void WriteUChar(UChar_t c) override
Definition: TBufferFile.h:285
void ReadFastArray(Bool_t *b, Int_t n) override
Read array of n bools from the I/O buffer.
void ReadFastArrayString(Char_t *c, Int_t n) override
Read array of n characters from the I/O buffer.
Int_t ReadArray(Bool_t *&b) override
Read array of bools from the I/O buffer.
void WriteFastArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele=nullptr) override
Write array of n floats (as truncated float) into the I/O buffer.
Int_t ApplySequence(const TStreamerInfoActions::TActionSequence &sequence, void *object) override
Read one collection of objects from the buffer using the StreamerInfoLoopAction.
void ReadInt(Int_t &i) override
Definition: TBufferFile.h:398
void * ReadObjectAny(const TClass *cast) override
Read object from I/O buffer.
void SkipObjectAny() override
Skip any kind of object from buffer.
Int_t ReadStaticArrayDouble32(Double_t *d, TStreamerElement *ele=nullptr) override
Read array of doubles (written as float) from the I/O buffer.
void WriteCharP(const Char_t *c) override
Definition: TBufferFile.h:362
TClass * ReadClass(const TClass *cl=nullptr, UInt_t *objTag=nullptr) override
Read class definition from I/O buffer.
Int_t ReadClassBuffer(const TClass *cl, void *pointer, const TClass *onfile_class) override
Deserialize information from a buffer into an object.
void SkipVersion(const TClass *cl=nullptr) override
Skip class version from I/O buffer.
void ReadFloat16(Float_t *f, TStreamerElement *ele=nullptr) override
Read a Float16_t from the buffer, see comments about Float16_t encoding at TBufferFile::WriteFloat16(...
void ReadCharP(Char_t *c) override
Definition: TBufferFile.h:449
Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const TClass *clss, const char *classname)
Check byte count with current buffer position.
void WriteCharStar(char *s) override
Write char* into TBuffer.
Int_t ApplySequenceVecPtr(const TStreamerInfoActions::TActionSequence &sequence, void *start_collection, void *end_collection) override
Read one collection of objects from the buffer using the StreamerInfoLoopAction.
void WriteStdString(const std::string *s) override
Write std::string to TBuffer.
Int_t WriteClassBuffer(const TClass *cl, void *pointer) override
Function called by the Streamer functions to serialize object at p to buffer b.
void WriteLong64(Long64_t l) override
Definition: TBufferFile.h:334
void WriteClass(const TClass *cl) override
Write class description to I/O buffer.
void ReadFastArrayDouble32(Double_t *d, Int_t n, TStreamerElement *ele=nullptr) override
Read array of n doubles (written as float) from the I/O buffer.
void WriteFastArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele=nullptr) override
Write array of n doubles (as float) into the I/O buffer.
void WriteChar(Char_t c) override
Definition: TBufferFile.h:278
void SetStreamerElementNumber(TStreamerElement *, Int_t) override
Definition: TBufferFile.h:90
void ReadBool(Bool_t &b) override
Definition: TBufferFile.h:368
UInt_t WriteVersionMemberWise(const TClass *cl, Bool_t useBcnt=kFALSE) override
Write class version to I/O buffer after setting the kStreamedMemberWise bit in the version number.
void ReadUInt(UInt_t &i) override
Definition: TBufferFile.h:404
void ReadULong64(ULong64_t &l) override
Definition: TBufferFile.h:431
void CheckCount(UInt_t offset) override
Check if offset is not too large (< kMaxMapCount) when writing.
Int_t ReadArrayFloat16(Float_t *&f, TStreamerElement *ele=nullptr) override
Read array of floats (written as truncated float) from the I/O buffer.
void ReadFastArrayFloat16(Float_t *f, Int_t n, TStreamerElement *ele=nullptr) override
Read array of n floats (written as truncated float) from the I/O buffer.
void WriteUShort(UShort_t s) override
Definition: TBufferFile.h:299
void ReadStdString(std::string *s) override
Read std::string from TBuffer.
void WriteFloat16(Float_t *f, TStreamerElement *ele=nullptr) override
Write a Float16_t to the buffer.
std::vector< TStreamerInfo * > InfoList_t
Definition: TBufferFile.h:49
Int_t ReadStaticArray(Bool_t *b) override
Read array of bools from the I/O buffer.
void WriteTString(const TString &s) override
Write TString to TBuffer.
UInt_t CheckObject(UInt_t offset, const TClass *cl, Bool_t readClass=kFALSE)
Check for object in the read map.
InfoList_t fInfoStack
Stack of pointers to the TStreamerInfos.
Definition: TBufferFile.h:52
void ReadDouble(Double_t &d) override
Definition: TBufferFile.h:443
void WriteBool(Bool_t b) override
Definition: TBufferFile.h:271
void ClassMember(const char *, const char *=0, Int_t=-1, Int_t=-1) override
Definition: TBufferFile.h:95
void WriteInt(Int_t i) override
Definition: TBufferFile.h:306
void WriteDouble32(Double_t *d, TStreamerElement *ele=nullptr) override
Write a Double32_t to the buffer.
void ReadLong(Long_t &l) override
Read Long from TBuffer.
void ReadULong(ULong_t &l) override
Definition: TBufferFile.h:418
void ReadFastArrayWithNbits(Float_t *ptr, Int_t n, Int_t nbits) override
Read array of n floats (written as truncated float) from the I/O buffer.
void ReadFloat(Float_t &f) override
Definition: TBufferFile.h:437
void ReadChar(Char_t &c) override
Definition: TBufferFile.h:374
void ReadLong64(Long64_t &l) override
Definition: TBufferFile.h:425
void IncrementLevel(TVirtualStreamerInfo *info) override
Increment level.
Int_t ReadArrayDouble32(Double_t *&d, TStreamerElement *ele=nullptr) override
Read array of doubles (written as float) from the I/O buffer.
void WriteArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele=nullptr) override
Write array of n doubles (as float) into the I/O buffer.
void WriteFastArrayString(const Char_t *c, Int_t n) override
Write array of n characters into the I/O buffer.
void ReadUChar(UChar_t &c) override
Definition: TBufferFile.h:380
void WriteArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele=nullptr) override
Write array of n floats (as truncated float) into the I/O buffer.
void WriteFastArray(const Bool_t *b, Int_t n) override
Write array of n bools into the I/O buffer.
void ReadFastArrayWithFactor(Float_t *ptr, Int_t n, Double_t factor, Double_t minvalue) override
Read array of n floats (written as truncated float) from the I/O buffer.
Version_t ReadVersionForMemberWise(const TClass *cl=nullptr) override
Read class version from I/O buffer.
void ClassEnd(const TClass *) override
Definition: TBufferFile.h:94
TStreamerInfo * fInfo
Pointer to TStreamerInfo object writing/reading the buffer.
Definition: TBufferFile.h:51
TVirtualStreamerInfo * GetInfo() override
Definition: TBufferFile.h:92
Int_t ReadClassEmulated(const TClass *cl, void *object, const TClass *onfile_class) override
Read emulated class.
@ kStreamedMemberWise
Definition: TBufferFile.h:68
void WriteDouble(Double_t d) override
Definition: TBufferFile.h:355
Direct subclass of TBuffer, implements common methods for TBufferFile and TBufferText classes.
Definition: TBufferIO.h:30
Bool_t CheckObject(const TObject *obj) override
Check if the specified object is already in the buffer.
Definition: TBufferIO.cxx:225
virtual void WriteStdString(const std::string *s)=0
Int_t fBufSize
Definition: TBuffer.h:49
char * fBufMax
Definition: TBuffer.h:52
char * fBufCur
Definition: TBuffer.h:51
void AutoExpand(Int_t size_needed)
Automatically calculate a new size and expand the buffer to fit at least size_needed.
Definition: TBuffer.cxx:158
virtual void ReadStdString(std::string *s)=0
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
Mother of all ROOT objects.
Definition: TObject.h:37
Describe Streamer information for one class version.
Definition: TStreamerInfo.h:46
Basic string class.
Definition: TString.h:131
Wrapper around an object and giving indirect access to its content even if the object is not of a cla...
Definition: TVirtualArray.h:27
Abstract Interface class describing Streamer information for one class.
long long Long64_t
Definition: cpp_cppyy.h:13
unsigned long long ULong64_t
Definition: cpp_cppyy.h:14
const Int_t n
Definition: legend1.C:16
static constexpr double s
auto * l
Definition: textangle.C:4