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Reference Guide
TBufferJSON.h
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1// $Id$
2// Author: Sergey Linev 4.03.2014
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_TBufferJSON
13#define ROOT_TBufferJSON
14
15#include "TBufferText.h"
16#include "TString.h"
17
18#include <deque>
19
20class TVirtualStreamerInfo;
21class TStreamerInfo;
22class TStreamerElement;
23class TMemberStreamer;
24class TDataMember;
25class TJSONStackObj;
26
27class TBufferJSON : public TBufferText {
28
29public:
30 TBufferJSON(TBuffer::EMode mode = TBuffer::kWrite);
31 virtual ~TBufferJSON();
32
33 void SetCompact(int level);
34
35 static TString ConvertToJSON(const TObject *obj, Int_t compact = 0, const char *member_name = nullptr);
36 static TString
37 ConvertToJSON(const void *obj, const TClass *cl, Int_t compact = 0, const char *member_name = nullptr);
38 static TString ConvertToJSON(const void *obj, TDataMember *member, Int_t compact = 0, Int_t arraylen = -1);
39
40 static Int_t ExportToFile(const char *filename, const TObject *obj, const char *option = nullptr);
41 static Int_t ExportToFile(const char *filename, const void *obj, const TClass *cl, const char *option = nullptr);
42
43 static TObject *ConvertFromJSON(const char *str);
44 static void *ConvertFromJSONAny(const char *str, TClass **cl = nullptr);
45
46 template <class T>
47 static TString ToJSON(const T *obj, Int_t compact = 0, const char *member_name = nullptr)
48 {
49 return ConvertToJSON(obj, TBuffer::GetClass(typeid(T)), compact, member_name);
50 }
51
52 template <class T>
53 static Bool_t FromJSON(T *&obj, const char *json)
54 {
55 if (obj)
56 return kFALSE;
57 obj = (T *)ConvertFromJSONChecked(json, TBuffer::GetClass(typeid(T)));
58 return obj != nullptr;
59 }
60
61 // suppress class writing/reading
62
63 virtual TClass *ReadClass(const TClass *cl = nullptr, UInt_t *objTag = nullptr);
64 virtual void WriteClass(const TClass *cl);
65
66 // redefined virtual functions of TBuffer
67
68 virtual Version_t ReadVersion(UInt_t *start = nullptr, UInt_t *bcnt = nullptr, const TClass *cl = nullptr);
69 virtual UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt = kFALSE);
70
71 virtual void *ReadObjectAny(const TClass *clCast);
72 virtual void SkipObjectAny();
73
74 // these methods used in streamer info to indicate currently streamed element,
75 virtual void IncrementLevel(TVirtualStreamerInfo *);
76 virtual void SetStreamerElementNumber(TStreamerElement *elem, Int_t comp_type);
77 virtual void DecrementLevel(TVirtualStreamerInfo *);
78
79 virtual void ClassBegin(const TClass *, Version_t = -1);
80 virtual void ClassEnd(const TClass *);
81 virtual void ClassMember(const char *name, const char *typeName = nullptr, Int_t arrsize1 = -1, Int_t arrsize2 = -1);
82
83 virtual Int_t ReadArray(Bool_t *&b);
84 virtual Int_t ReadArray(Char_t *&c);
85 virtual Int_t ReadArray(UChar_t *&c);
86 virtual Int_t ReadArray(Short_t *&h);
87 virtual Int_t ReadArray(UShort_t *&h);
88 virtual Int_t ReadArray(Int_t *&i);
89 virtual Int_t ReadArray(UInt_t *&i);
90 virtual Int_t ReadArray(Long_t *&l);
91 virtual Int_t ReadArray(ULong_t *&l);
92 virtual Int_t ReadArray(Long64_t *&l);
93 virtual Int_t ReadArray(ULong64_t *&l);
94 virtual Int_t ReadArray(Float_t *&f);
95 virtual Int_t ReadArray(Double_t *&d);
96
97 virtual Int_t ReadStaticArray(Bool_t *b);
98 virtual Int_t ReadStaticArray(Char_t *c);
99 virtual Int_t ReadStaticArray(UChar_t *c);
100 virtual Int_t ReadStaticArray(Short_t *h);
101 virtual Int_t ReadStaticArray(UShort_t *h);
102 virtual Int_t ReadStaticArray(Int_t *i);
103 virtual Int_t ReadStaticArray(UInt_t *i);
104 virtual Int_t ReadStaticArray(Long_t *l);
105 virtual Int_t ReadStaticArray(ULong_t *l);
106 virtual Int_t ReadStaticArray(Long64_t *l);
107 virtual Int_t ReadStaticArray(ULong64_t *l);
108 virtual Int_t ReadStaticArray(Float_t *f);
109 virtual Int_t ReadStaticArray(Double_t *d);
110
111 virtual void ReadFastArray(Bool_t *b, Int_t n);
112 virtual void ReadFastArray(Char_t *c, Int_t n);
113 virtual void ReadFastArrayString(Char_t *c, Int_t n);
114 virtual void ReadFastArray(UChar_t *c, Int_t n);
115 virtual void ReadFastArray(Short_t *h, Int_t n);
116 virtual void ReadFastArray(UShort_t *h, Int_t n);
117 virtual void ReadFastArray(Int_t *i, Int_t n);
118 virtual void ReadFastArray(UInt_t *i, Int_t n);
119 virtual void ReadFastArray(Long_t *l, Int_t n);
120 virtual void ReadFastArray(ULong_t *l, Int_t n);
121 virtual void ReadFastArray(Long64_t *l, Int_t n);
122 virtual void ReadFastArray(ULong64_t *l, Int_t n);
123 virtual void ReadFastArray(Float_t *f, Int_t n);
124 virtual void ReadFastArray(Double_t *d, Int_t n);
125 virtual void ReadFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr,
126 const TClass *onFileClass = nullptr);
127 virtual void ReadFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
128 TMemberStreamer *s = nullptr, const TClass *onFileClass = nullptr);
129
130 virtual void WriteArray(const Bool_t *b, Int_t n);
131 virtual void WriteArray(const Char_t *c, Int_t n);
132 virtual void WriteArray(const UChar_t *c, Int_t n);
133 virtual void WriteArray(const Short_t *h, Int_t n);
134 virtual void WriteArray(const UShort_t *h, Int_t n);
135 virtual void WriteArray(const Int_t *i, Int_t n);
136 virtual void WriteArray(const UInt_t *i, Int_t n);
137 virtual void WriteArray(const Long_t *l, Int_t n);
138 virtual void WriteArray(const ULong_t *l, Int_t n);
139 virtual void WriteArray(const Long64_t *l, Int_t n);
140 virtual void WriteArray(const ULong64_t *l, Int_t n);
141 virtual void WriteArray(const Float_t *f, Int_t n);
142 virtual void WriteArray(const Double_t *d, Int_t n);
143
144 virtual void WriteFastArray(const Bool_t *b, Int_t n);
145 virtual void WriteFastArray(const Char_t *c, Int_t n);
146 virtual void WriteFastArrayString(const Char_t *c, Int_t n);
147 virtual void WriteFastArray(const UChar_t *c, Int_t n);
148 virtual void WriteFastArray(const Short_t *h, Int_t n);
149 virtual void WriteFastArray(const UShort_t *h, Int_t n);
150 virtual void WriteFastArray(const Int_t *i, Int_t n);
151 virtual void WriteFastArray(const UInt_t *i, Int_t n);
152 virtual void WriteFastArray(const Long_t *l, Int_t n);
153 virtual void WriteFastArray(const ULong_t *l, Int_t n);
154 virtual void WriteFastArray(const Long64_t *l, Int_t n);
155 virtual void WriteFastArray(const ULong64_t *l, Int_t n);
156 virtual void WriteFastArray(const Float_t *f, Int_t n);
157 virtual void WriteFastArray(const Double_t *d, Int_t n);
158 virtual void WriteFastArray(void *start, const TClass *cl, Int_t n = 1, TMemberStreamer *s = nullptr);
159 virtual Int_t WriteFastArray(void **startp, const TClass *cl, Int_t n = 1, Bool_t isPreAlloc = kFALSE,
160 TMemberStreamer *s = nullptr);
161
162 virtual void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass = nullptr);
163 using TBufferText::StreamObject;
164
165 virtual void ReadBool(Bool_t &b);
166 virtual void ReadChar(Char_t &c);
167 virtual void ReadUChar(UChar_t &c);
168 virtual void ReadShort(Short_t &s);
169 virtual void ReadUShort(UShort_t &s);
170 virtual void ReadInt(Int_t &i);
171 virtual void ReadUInt(UInt_t &i);
172 virtual void ReadLong(Long_t &l);
173 virtual void ReadULong(ULong_t &l);
174 virtual void ReadLong64(Long64_t &l);
175 virtual void ReadULong64(ULong64_t &l);
176 virtual void ReadFloat(Float_t &f);
177 virtual void ReadDouble(Double_t &d);
178 virtual void ReadCharP(Char_t *c);
179 virtual void ReadTString(TString &s);
180 virtual void ReadStdString(std::string *s);
181 using TBuffer::ReadStdString;
182 virtual void ReadCharStar(char *&s);
183
184 virtual void WriteBool(Bool_t b);
185 virtual void WriteChar(Char_t c);
186 virtual void WriteUChar(UChar_t c);
187 virtual void WriteShort(Short_t s);
188 virtual void WriteUShort(UShort_t s);
189 virtual void WriteInt(Int_t i);
190 virtual void WriteUInt(UInt_t i);
191 virtual void WriteLong(Long_t l);
192 virtual void WriteULong(ULong_t l);
193 virtual void WriteLong64(Long64_t l);
194 virtual void WriteULong64(ULong64_t l);
195 virtual void WriteFloat(Float_t f);
196 virtual void WriteDouble(Double_t d);
197 virtual void WriteCharP(const Char_t *c);
198 virtual void WriteTString(const TString &s);
199 virtual void WriteStdString(const std::string *s);
200 using TBuffer::WriteStdString;
201 virtual void WriteCharStar(char *s);
202
203 virtual TVirtualStreamerInfo *GetInfo();
204
205 // end of redefined virtual functions
206
207 virtual void ReadBaseClass(void *start, TStreamerBase *elem);
208
209protected:
210 // redefined protected virtual functions
211
212 virtual void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse);
213
214 // end redefined protected virtual functions
215
216 static void *ConvertFromJSONChecked(const char *str, const TClass *expectedClass);
217
218 TString JsonWriteMember(const void *ptr, TDataMember *member, TClass *memberClass, Int_t arraylen);
219
220 TJSONStackObj *PushStack(Int_t inclevel = 0, void *readnode = nullptr);
221 TJSONStackObj *PopStack();
222 TJSONStackObj *Stack() { return fStack.back(); }
223
224 void WorkWithClass(TStreamerInfo *info, const TClass *cl = nullptr);
225 void WorkWithElement(TStreamerElement *elem, Int_t);
226
227 void JsonDisablePostprocessing();
228 Int_t JsonSpecialClass(const TClass *cl) const;
229
230 void JsonStartElement(const TStreamerElement *elem, const TClass *base_class = nullptr);
231
232 void PerformPostProcessing(TJSONStackObj *stack, const TClass *obj_cl = nullptr);
233
234 void JsonWriteBasic(Char_t value);
235 void JsonWriteBasic(Short_t value);
236 void JsonWriteBasic(Int_t value);
237 void JsonWriteBasic(Long_t value);
238 void JsonWriteBasic(Long64_t value);
239 void JsonWriteBasic(Float_t value);
240 void JsonWriteBasic(Double_t value);
241 void JsonWriteBasic(Bool_t value);
242 void JsonWriteBasic(UChar_t value);
243 void JsonWriteBasic(UShort_t value);
244 void JsonWriteBasic(UInt_t value);
245 void JsonWriteBasic(ULong_t value);
246 void JsonWriteBasic(ULong64_t value);
247
248 void JsonWriteConstChar(const char *value, Int_t len = -1, const char * /*typname*/ = nullptr);
249
250 void JsonWriteObject(const void *obj, const TClass *objClass, Bool_t check_map = kTRUE);
251
252 void JsonWriteCollection(TCollection *obj, const TClass *objClass);
253
254 void JsonReadCollection(TCollection *obj, const TClass *objClass);
255
256 void JsonReadTObjectMembers(TObject *obj, void *node = nullptr);
257
258 void *JsonReadObject(void *obj, const TClass *objClass = nullptr, TClass **readClass = nullptr);
259
260 void AppendOutput(const char *line0, const char *line1 = nullptr);
261
262 void JsonPushValue();
263
264 template <typename T>
265 R__ALWAYS_INLINE void JsonWriteArrayCompress(const T *vname, Int_t arrsize, const char *typname);
266
267 template <typename T>
268 R__ALWAYS_INLINE void JsonReadBasic(T &value);
269
270 template <typename T>
271 R__ALWAYS_INLINE Int_t JsonReadArray(T *value);
272
273 template <typename T>
274 R__ALWAYS_INLINE void JsonReadFastArray(T *arr, Int_t arrsize, bool asstring = false);
275
276 template <typename T>
277 R__ALWAYS_INLINE void JsonWriteFastArray(const T *arr, Int_t arrsize, const char *typname,
278 void (TBufferJSON::*method)(const T *, Int_t, const char *));
279
280 TString fOutBuffer; ///<! main output buffer for json code
281 TString *fOutput; ///<! current output buffer for json code
282 TString fValue; ///<! buffer for current value
283 unsigned fJsonrCnt; ///<! counter for all objects, used for referencing
284 std::deque<TJSONStackObj *> fStack; ///<! hierarchy of currently streamed element
285 Int_t fCompact; ///<! 0 - no any compression, 1 - no spaces in the begin, 2 - no new lines, 3 - no spaces at all
286 TString fSemicolon; ///<! depending from compression level, " : " or ":"
287 TString fArraySepar; ///<! depending from compression level, ", " or ","
288 TString fNumericLocale; ///<! stored value of setlocale(LC_NUMERIC), which should be recovered at the end
289
290 ClassDef(TBufferJSON, 1) // a specialized TBuffer to only write objects into JSON format
291};
292
293#endif
R__ALWAYS_INLINE
#define R__ALWAYS_INLINE
Definition: RConfig.hxx:556
d
#define d(i)
Definition: RSha256.hxx:102
b
#define b(i)
Definition: RSha256.hxx:100
f
#define f(i)
Definition: RSha256.hxx:104
c
#define c(i)
Definition: RSha256.hxx:101
h
#define h(i)
Definition: RSha256.hxx:106
UShort_t
unsigned short UShort_t
Definition: RtypesCore.h:36
Int_t
int Int_t
Definition: RtypesCore.h:41
Version_t
short Version_t
Definition: RtypesCore.h:61
UChar_t
unsigned char UChar_t
Definition: RtypesCore.h:34
Char_t
char Char_t
Definition: RtypesCore.h:29
UInt_t
unsigned int UInt_t
Definition: RtypesCore.h:42
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:88
ULong_t
unsigned long ULong_t
Definition: RtypesCore.h:51
Long_t
long Long_t
Definition: RtypesCore.h:50
Bool_t
bool Bool_t
Definition: RtypesCore.h:59
Short_t
short Short_t
Definition: RtypesCore.h:35
Double_t
double Double_t
Definition: RtypesCore.h:55
Long64_t
long long Long64_t
Definition: RtypesCore.h:69
ULong64_t
unsigned long long ULong64_t
Definition: RtypesCore.h:70
Float_t
float Float_t
Definition: RtypesCore.h:53
kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:87
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:324
TBufferJSON
Class for serializing object to and from JavaScript Object Notation (JSON) format.
Definition: TBufferJSON.h:27
TBufferJSON::WriteLong64
virtual void WriteLong64(Long64_t l)
Writes Long64_t value to buffer.
Definition: TBufferJSON.cxx:3408
TBufferJSON::JsonWriteArrayCompress
R__ALWAYS_INLINE void JsonWriteArrayCompress(const T *vname, Int_t arrsize, const char *typname)
Definition: TBufferJSON.cxx:2678
TBufferJSON::ReadClass
virtual TClass * ReadClass(const TClass *cl=nullptr, UInt_t *objTag=nullptr)
suppressed function of TBuffer
Definition: TBufferJSON.cxx:2112
TBufferJSON::JsonWriteBasic
void JsonWriteBasic(Char_t value)
converts Char_t to string and add to json value buffer
Definition: TBufferJSON.cxx:3487
TBufferJSON::JsonWriteCollection
void JsonWriteCollection(TCollection *obj, const TClass *objClass)
store content of ROOT collection
Definition: TBufferJSON.cxx:1290
TBufferJSON::WriteStdString
virtual void WriteStdString(const std::string *s)
Writes a std::string.
Definition: TBufferJSON.cxx:3464
TBufferJSON::fSemicolon
TString fSemicolon
! depending from compression level, " : " or ":"
Definition: TBufferJSON.h:286
TBufferJSON::fCompact
Int_t fCompact
! 0 - no any compression, 1 - no spaces in the begin, 2 - no new lines, 3 - no spaces at all
Definition: TBufferJSON.h:285
TBufferJSON::WriteUShort
virtual void WriteUShort(UShort_t s)
Writes UShort_t value to buffer.
Definition: TBufferJSON.cxx:3363
TBufferJSON::WriteUInt
virtual void WriteUInt(UInt_t i)
Writes UInt_t value to buffer.
Definition: TBufferJSON.cxx:3381
TBufferJSON::ReadVersion
virtual Version_t ReadVersion(UInt_t *start=nullptr, UInt_t *bcnt=nullptr, const TClass *cl=nullptr)
read version value from buffer
Definition: TBufferJSON.cxx:2127
TBufferJSON::JsonStartElement
void JsonStartElement(const TStreamerElement *elem, const TClass *base_class=nullptr)
Start new class member in JSON structures.
Definition: TBufferJSON.cxx:969
TBufferJSON::ConvertFromJSON
static TObject * ConvertFromJSON(const char *str)
Read TObject-based class from JSON, produced by ConvertToJSON() method.
Definition: TBufferJSON.cxx:717
TBufferJSON::ReadLong
virtual void ReadLong(Long_t &l)
Reads Long_t value from buffer.
Definition: TBufferJSON.cxx:3224
TBufferJSON::fValue
TString fValue
! buffer for current value
Definition: TBufferJSON.h:282
TBufferJSON::fStack
std::deque< TJSONStackObj * > fStack
! hierarchy of currently streamed element
Definition: TBufferJSON.h:284
TBufferJSON::Stack
TJSONStackObj * Stack()
Definition: TBufferJSON.h:222
TBufferJSON::WriteChar
virtual void WriteChar(Char_t c)
Writes Char_t value to buffer.
Definition: TBufferJSON.cxx:3336
TBufferJSON::ClassBegin
virtual void ClassBegin(const TClass *, Version_t=-1)
Should be called in the beginning of custom class streamer.
Definition: TBufferJSON.cxx:1844
TBufferJSON::WriteDouble
virtual void WriteDouble(Double_t d)
Writes Double_t value to buffer.
Definition: TBufferJSON.cxx:3435
TBufferJSON::ConvertToJSON
static TString ConvertToJSON(const TObject *obj, Int_t compact=0, const char *member_name=nullptr)
Converts object, inherited from TObject class, to JSON string Lower digit of compact parameter define...
Definition: TBufferJSON.cxx:414
TBufferJSON::WriteVersion
virtual UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt=kFALSE)
Ignored in TBufferJSON.
Definition: TBufferJSON.cxx:2150
TBufferJSON::PerformPostProcessing
void PerformPostProcessing(TJSONStackObj *stack, const TClass *obj_cl=nullptr)
Function is converts TObject and TString structures to more compact representation.
Definition: TBufferJSON.cxx:1991
TBufferJSON::ReadUInt
virtual void ReadUInt(UInt_t &i)
Reads UInt_t value from buffer.
Definition: TBufferJSON.cxx:3216
TBufferJSON::WriteInt
virtual void WriteInt(Int_t i)
Writes Int_t value to buffer.
Definition: TBufferJSON.cxx:3372
TBufferJSON::ReadFastArrayString
virtual void ReadFastArrayString(Char_t *c, Int_t n)
read array of Char_t from buffer
Definition: TBufferJSON.cxx:2493
TBufferJSON::ReadShort
virtual void ReadShort(Short_t &s)
Reads Short_t value from buffer.
Definition: TBufferJSON.cxx:3189
TBufferJSON::ExportToFile
static Int_t ExportToFile(const char *filename, const TObject *obj, const char *option=nullptr)
Convert object into JSON and store in text file Returns size of the produce file Used in TObject::Sav...
Definition: TBufferJSON.cxx:557
TBufferJSON::ToJSON
static TString ToJSON(const T *obj, Int_t compact=0, const char *member_name=nullptr)
Definition: TBufferJSON.h:47
TBufferJSON::JsonReadArray
R__ALWAYS_INLINE Int_t JsonReadArray(T *value)
Read static array from JSON - not used.
Definition: TBufferJSON.cxx:2301
TBufferJSON::fNumericLocale
TString fNumericLocale
! stored value of setlocale(LC_NUMERIC), which should be recovered at the end
Definition: TBufferJSON.h:288
TBufferJSON::ReadArray
virtual Int_t ReadArray(Bool_t *&b)
Read array of Bool_t from buffer.
Definition: TBufferJSON.cxx:2196
TBufferJSON::PushStack
TJSONStackObj * PushStack(Int_t inclevel=0, void *readnode=nullptr)
add new level to the structures stack
Definition: TBufferJSON.cxx:920
TBufferJSON::TBufferJSON
TBufferJSON(TBuffer::EMode mode=TBuffer::kWrite)
Creates buffer object to serialize data into json.
Definition: TBufferJSON.cxx:368
TBufferJSON::JsonDisablePostprocessing
void JsonDisablePostprocessing()
disable post-processing of the code
Definition: TBufferJSON.cxx:1027
TBufferJSON::WorkWithElement
void WorkWithElement(TStreamerElement *elem, Int_t)
This is call-back from streamer which indicates that class member will be streamed Name of element us...
Definition: TBufferJSON.cxx:1765
TBufferJSON::ReadDouble
virtual void ReadDouble(Double_t &d)
Reads Double_t value from buffer.
Definition: TBufferJSON.cxx:3268
TBufferJSON::ReadLong64
virtual void ReadLong64(Long64_t &l)
Reads Long64_t value from buffer.
Definition: TBufferJSON.cxx:3240
TBufferJSON::fJsonrCnt
unsigned fJsonrCnt
! counter for all objects, used for referencing
Definition: TBufferJSON.h:283
TBufferJSON::JsonReadCollection
void JsonReadCollection(TCollection *obj, const TClass *objClass)
read content of ROOT collection
Definition: TBufferJSON.cxx:1363
TBufferJSON::ReadStdString
virtual void ReadStdString(std::string *s)
Reads a std::string.
Definition: TBufferJSON.cxx:3298
TBufferJSON::~TBufferJSON
virtual ~TBufferJSON()
destroy buffer
Definition: TBufferJSON.cxx:389
TBufferJSON::ReadUChar
virtual void ReadUChar(UChar_t &c)
Reads UChar_t value from buffer.
Definition: TBufferJSON.cxx:3181
TBufferJSON::JsonPushValue
void JsonPushValue()
If value exists, push in the current stack for post-processing.
Definition: TBufferJSON.cxx:2187
TBufferJSON::ReadCharP
virtual void ReadCharP(Char_t *c)
Reads array of characters from buffer.
Definition: TBufferJSON.cxx:3280
TBufferJSON::ReadFastArray
virtual void ReadFastArray(Bool_t *b, Int_t n)
read array of Bool_t from buffer
Definition: TBufferJSON.cxx:2477
TBufferJSON::ReadULong64
virtual void ReadULong64(ULong64_t &l)
Reads ULong64_t value from buffer.
Definition: TBufferJSON.cxx:3248
TBufferJSON::ReadInt
virtual void ReadInt(Int_t &i)
Reads Int_t value from buffer.
Definition: TBufferJSON.cxx:3205
TBufferJSON::WriteULong64
virtual void WriteULong64(ULong64_t l)
Writes ULong64_t value to buffer.
Definition: TBufferJSON.cxx:3417
TBufferJSON::WriteTString
virtual void WriteTString(const TString &s)
Writes a TString.
Definition: TBufferJSON.cxx:3454
TBufferJSON::WriteUChar
virtual void WriteUChar(UChar_t c)
Writes UChar_t value to buffer.
Definition: TBufferJSON.cxx:3345
TBufferJSON::WriteClass
virtual void WriteClass(const TClass *cl)
suppressed function of TBuffer
Definition: TBufferJSON.cxx:2120
TBufferJSON::ReadBool
virtual void ReadBool(Bool_t &b)
Reads Bool_t value from buffer.
Definition: TBufferJSON.cxx:3162
TBufferJSON::fOutput
TString * fOutput
! current output buffer for json code
Definition: TBufferJSON.h:281
TBufferJSON::StreamObject
virtual void StreamObject(void *obj, const TClass *cl, const TClass *onFileClass=nullptr)
stream object to/from buffer
Definition: TBufferJSON.cxx:3139
TBufferJSON::ConvertFromJSONAny
static void * ConvertFromJSONAny(const char *str, TClass **cl=nullptr)
Read object from JSON, produced by ConvertToJSON() method.
Definition: TBufferJSON.cxx:740
TBufferJSON::ReadUShort
virtual void ReadUShort(UShort_t &s)
Reads UShort_t value from buffer.
Definition: TBufferJSON.cxx:3197
TBufferJSON::JsonWriteFastArray
R__ALWAYS_INLINE void JsonWriteFastArray(const T *arr, Int_t arrsize, const char *typname, void(TBufferJSON::*method)(const T *, Int_t, const char *))
Template method to write array of arbitrary dimensions Different methods can be used for store last a...
Definition: TBufferJSON.cxx:2881
TBufferJSON::ClassEnd
virtual void ClassEnd(const TClass *)
Should be called at the end of custom streamer See TBufferJSON::ClassBegin for more details.
Definition: TBufferJSON.cxx:1853
TBufferJSON::ReadBaseClass
virtual void ReadBaseClass(void *start, TStreamerBase *elem)
Read data of base class.
Definition: TBufferJSON.cxx:3664
TBufferJSON::ReadTString
virtual void ReadTString(TString &s)
Reads a TString.
Definition: TBufferJSON.cxx:3288
TBufferJSON::ConvertFromJSONChecked
static void * ConvertFromJSONChecked(const char *str, const TClass *expectedClass)
Read objects from JSON, one can reuse existing object.
Definition: TBufferJSON.cxx:770
TBufferJSON::WriteCharStar
virtual void WriteCharStar(char *s)
Writes a char*.
Definition: TBufferJSON.cxx:3477
TBufferJSON::WriteULong
virtual void WriteULong(ULong_t l)
Writes ULong_t value to buffer.
Definition: TBufferJSON.cxx:3399
TBufferJSON::WriteBool
virtual void WriteBool(Bool_t b)
Writes Bool_t value to buffer.
Definition: TBufferJSON.cxx:3327
TBufferJSON::JsonWriteMember
TString JsonWriteMember(const void *ptr, TDataMember *member, TClass *memberClass, Int_t arraylen)
Convert single data member to JSON structures Returns string with converted member.
Definition: TBufferJSON.cxx:800
TBufferJSON::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 F...
Definition: TBufferJSON.cxx:1895
TBufferJSON::ReadChar
virtual void ReadChar(Char_t &c)
Reads Char_t value from buffer.
Definition: TBufferJSON.cxx:3170
TBufferJSON::fArraySepar
TString fArraySepar
! depending from compression level, ", " or ","
Definition: TBufferJSON.h:287
TBufferJSON::JsonReadFastArray
R__ALWAYS_INLINE void JsonReadFastArray(T *arr, Int_t arrsize, bool asstring=false)
Template method to read array from the JSON.
Definition: TBufferJSON.cxx:2415
TBufferJSON::DecrementLevel
virtual void DecrementLevel(TVirtualStreamerInfo *)
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and decrease level in json...
Definition: TBufferJSON.cxx:1711
TBufferJSON::WriteCharP
virtual void WriteCharP(const Char_t *c)
Writes array of characters to buffer.
Definition: TBufferJSON.cxx:3444
TBufferJSON::WriteFastArray
virtual void WriteFastArray(const Bool_t *b, Int_t n)
Write array of Bool_t to buffer.
Definition: TBufferJSON.cxx:2918
TBufferJSON::WriteFastArrayString
virtual void WriteFastArrayString(const Char_t *c, Int_t n)
Write array of Char_t to buffer.
Definition: TBufferJSON.cxx:2934
TBufferJSON::AppendOutput
void AppendOutput(const char *line0, const char *line1=nullptr)
Append two string to the output JSON, normally separate by line break.
Definition: TBufferJSON.cxx:947
TBufferJSON::fOutBuffer
TString fOutBuffer
! main output buffer for json code
Definition: TBufferJSON.h:280
TBufferJSON::PopStack
TJSONStackObj * PopStack()
remove one level from stack
Definition: TBufferJSON.cxx:934
TBufferJSON::FromJSON
static Bool_t FromJSON(T *&obj, const char *json)
Definition: TBufferJSON.h:53
TBufferJSON::WriteArray
virtual void WriteArray(const Bool_t *b, Int_t n)
Write array of Bool_t to buffer.
Definition: TBufferJSON.cxx:2761
TBufferJSON::ReadFloat
virtual void ReadFloat(Float_t &f)
Reads Float_t value from buffer.
Definition: TBufferJSON.cxx:3256
TBufferJSON::ReadCharStar
virtual void ReadCharStar(char *&s)
Reads a char* string.
Definition: TBufferJSON.cxx:3306
TBufferJSON::ReadULong
virtual void ReadULong(ULong_t &l)
Reads ULong_t value from buffer.
Definition: TBufferJSON.cxx:3232
TBufferJSON::JsonSpecialClass
Int_t JsonSpecialClass(const TClass *cl) const
return non-zero value when class has special handling in JSON it is TCollection (-130),...
Definition: TBufferJSON.cxx:1036
TBufferJSON::ReadStaticArray
virtual Int_t ReadStaticArray(Bool_t *b)
Read array of Bool_t from buffer.
Definition: TBufferJSON.cxx:2310
TBufferJSON::WriteObjectClass
virtual void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse)
Write object to buffer. Only used from TBuffer.
Definition: TBufferJSON.cxx:2176
TBufferJSON::SetCompact
void SetCompact(int level)
Definition: TBufferJSON.cxx:443
TBufferJSON::WriteShort
virtual void WriteShort(Short_t s)
Writes Short_t value to buffer.
Definition: TBufferJSON.cxx:3354
TBufferJSON::ReadObjectAny
virtual void * ReadObjectAny(const TClass *clCast)
Read object from buffer. Only used from TBuffer.
Definition: TBufferJSON.cxx:2158
TBufferJSON::JsonWriteConstChar
void JsonWriteConstChar(const char *value, Int_t len=-1, const char *=nullptr)
writes string value, processing all kind of special characters
Definition: TBufferJSON.cxx:3623
TBufferJSON::IncrementLevel
virtual void IncrementLevel(TVirtualStreamerInfo *)
Function is called from TStreamerInfo WriteBuffer and ReadBuffer functions and indent new level in js...
Definition: TBufferJSON.cxx:1659
TBufferJSON::JsonReadTObjectMembers
void JsonReadTObjectMembers(TObject *obj, void *node=nullptr)
Definition: TBufferJSON.cxx:1636
TBufferJSON::GetInfo
virtual TVirtualStreamerInfo * GetInfo()
Return current streamer info element.
Definition: TBufferJSON.cxx:1742
TBufferJSON::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: TBufferJSON.cxx:1752
TBufferJSON::JsonWriteObject
void JsonWriteObject(const void *obj, const TClass *objClass, Bool_t check_map=kTRUE)
Write object to buffer If object was written before, only pointer will be stored If check_map==kFALSE...
Definition: TBufferJSON.cxx:1074
TBufferJSON::SkipObjectAny
virtual void SkipObjectAny()
Skip any kind of object from buffer.
Definition: TBufferJSON.cxx:2169
TBufferJSON::JsonReadObject
void * JsonReadObject(void *obj, const TClass *objClass=nullptr, TClass **readClass=nullptr)
Read object from current JSON node.
Definition: TBufferJSON.cxx:1455
TBufferJSON::WorkWithClass
void WorkWithClass(TStreamerInfo *info, const TClass *cl=nullptr)
Prepares buffer to stream data of specified class.
Definition: TBufferJSON.cxx:1670
TBufferJSON::WriteFloat
virtual void WriteFloat(Float_t f)
Writes Float_t value to buffer.
Definition: TBufferJSON.cxx:3426
TBufferJSON::JsonReadBasic
R__ALWAYS_INLINE void JsonReadBasic(T &value)
Template function to read basic value from JSON.
Definition: TBufferJSON.cxx:3154
TBufferJSON::WriteLong
virtual void WriteLong(Long_t l)
Writes Long_t value to buffer.
Definition: TBufferJSON.cxx:3390
TBufferText
Base class for text-based streamers like TBufferJSON or TBufferXML Special actions list will use meth...
Definition: TBufferText.h:21
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
TBuffer::WriteStdString
virtual void WriteStdString(const std::string *s)=0
TBuffer::kWrite
@ kWrite
Definition: TBuffer.h:70
TBuffer::GetClass
static TClass * GetClass(const std::type_info &typeinfo)
Forward to TROOT::GetClass().
Definition: TBuffer.cxx:307
TBuffer::ReadStdString
virtual void ReadStdString(std::string *s)=0
TClass
The ROOT global object gROOT contains a list of all defined classes.
Definition: TClass.h:75
TCollection
Collection abstract base class.
Definition: TCollection.h:63
TDataMember
All ROOT classes may have RTTI (run time type identification) support added.
Definition: TDataMember.h:31
TObject
Mother of all ROOT objects.
Definition: TObject.h:37
TStreamerInfo
Describe Streamer information for one class version.
Definition: TStreamerInfo.h:43
TString
Basic string class.
Definition: TString.h:131
TVirtualStreamerInfo
Abstract Interface class describing Streamer information for one class.
Definition: TVirtualStreamerInfo.h:37
n
const Int_t n
Definition: legend1.C:16
ROOT::Math::Chebyshev::T
double T(double x)
Definition: ChebyshevPol.h:34
TGeoUnit::s
static constexpr double s
Definition: TGeoSystemOfUnits.h:162
nlohmann::json
basic_json<> json
default JSON class
Definition: json.hpp:12912
l
auto * l
Definition: textangle.C:4