// @(#)root/io:$Id: 697641b2b52ed3d97bb5bde0fb5d2ff4a2f6c24f $ // Author: Rene Brun 17/01/2007 /************************************************************************* * Copyright (C) 1995-2007, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TBufferFile #define ROOT_TBufferFile ////////////////////////////////////////////////////////////////////////// // // // TBufferFile // // // // The concrete implementation of TBuffer for writing/reading to/from a // // ROOT file or socket. // // // ////////////////////////////////////////////////////////////////////////// #include "TBufferIO.h" #include "Bytes.h" #include #ifdef R__OLDHPACC namespace std { using ::string; using ::vector; } #endif class TVirtualStreamerInfo; class TStreamerInfo; class TStreamerElement; class TClass; class TVirtualArray; namespace TStreamerInfoActions { class TActionSequence; } class TBufferFile : public TBufferIO { protected: typedef std::vector InfoList_t; TStreamerInfo *fInfo{nullptr}; ///< Pointer to TStreamerInfo object writing/reading the buffer InfoList_t fInfoStack; ///< Stack of pointers to the TStreamerInfos // Default ctor TBufferFile() {} // NOLINT: not allowed to use = default because of TObject::kIsOnHeap detection, see ROOT-10300 // TBuffer objects cannot be copied or assigned TBufferFile(const TBufferFile &) = delete; ///< not implemented void operator=(const TBufferFile &) = delete; ///< not implemented Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const TClass *clss, const char* classname); void CheckCount(UInt_t offset) override; UInt_t CheckObject(UInt_t offset, const TClass *cl, Bool_t readClass = kFALSE); void WriteObjectClass(const void *actualObjStart, const TClass *actualClass, Bool_t cacheReuse) override; public: enum { kStreamedMemberWise = BIT(14) }; //added to version number to know if a collection has been stored member-wise TBufferFile(TBuffer::EMode mode); TBufferFile(TBuffer::EMode mode, Int_t bufsiz); TBufferFile(TBuffer::EMode mode, Int_t bufsiz, void *buf, Bool_t adopt = kTRUE, ReAllocCharFun_t reallocfunc = nullptr); virtual ~TBufferFile(); Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const TClass *clss) override; Int_t CheckByteCount(UInt_t startpos, UInt_t bcnt, const char *classname) override; void SetByteCount(UInt_t cntpos, Bool_t packInVersion = kFALSE) override; void SkipVersion(const TClass *cl = nullptr) override; Version_t ReadVersion(UInt_t *start = nullptr, UInt_t *bcnt = nullptr, const TClass *cl = nullptr) override; Version_t ReadVersionNoCheckSum(UInt_t *start = nullptr, UInt_t *bcnt = nullptr) override; Version_t ReadVersionForMemberWise(const TClass *cl = nullptr) override; UInt_t WriteVersion(const TClass *cl, Bool_t useBcnt = kFALSE) override; UInt_t WriteVersionMemberWise(const TClass *cl, Bool_t useBcnt = kFALSE) override; void *ReadObjectAny(const TClass* cast) override; void SkipObjectAny() override; void IncrementLevel(TVirtualStreamerInfo* info) override; void SetStreamerElementNumber(TStreamerElement*,Int_t) override {} void DecrementLevel(TVirtualStreamerInfo*) override; TVirtualStreamerInfo *GetInfo() override { return (TVirtualStreamerInfo*)fInfo; } void ClassBegin(const TClass*, Version_t = -1) override {} void ClassEnd(const TClass*) override {} void ClassMember(const char*, const char* = 0, Int_t = -1, Int_t = -1) override {} Int_t ReadBuf(void *buf, Int_t max) override; void WriteBuf(const void *buf, Int_t max) override; char *ReadString(char *s, Int_t max) override; void WriteString(const char *s) override; TClass *ReadClass(const TClass *cl = nullptr, UInt_t *objTag = nullptr) override; void WriteClass(const TClass *cl) override; TObject *ReadObject(const TClass *cl) override; using TBufferIO::CheckObject; // basic types and arrays of basic types void ReadFloat16 (Float_t *f, TStreamerElement *ele = nullptr) override; void WriteFloat16(Float_t *f, TStreamerElement *ele = nullptr) override; void ReadDouble32 (Double_t *d, TStreamerElement *ele = nullptr) override; void WriteDouble32(Double_t *d, TStreamerElement *ele = nullptr) override; void ReadWithFactor(Float_t *ptr, Double_t factor, Double_t minvalue) override; void ReadWithNbits(Float_t *ptr, Int_t nbits) override; void ReadWithFactor(Double_t *ptr, Double_t factor, Double_t minvalue) override; void ReadWithNbits(Double_t *ptr, Int_t nbits) override; Int_t ReadArray(Bool_t *&b) override; Int_t ReadArray(Char_t *&c) override; Int_t ReadArray(UChar_t *&c) override; Int_t ReadArray(Short_t *&h) override; Int_t ReadArray(UShort_t *&h) override; Int_t ReadArray(Int_t *&i) override; Int_t ReadArray(UInt_t *&i) override; Int_t ReadArray(Long_t *&l) override; Int_t ReadArray(ULong_t *&l) override; Int_t ReadArray(Long64_t *&l) override; Int_t ReadArray(ULong64_t *&l) override; Int_t ReadArray(Float_t *&f) override; Int_t ReadArray(Double_t *&d) override; Int_t ReadArrayFloat16(Float_t *&f, TStreamerElement *ele = nullptr) override; Int_t ReadArrayDouble32(Double_t *&d, TStreamerElement *ele = nullptr) override; Int_t ReadStaticArray(Bool_t *b) override; Int_t ReadStaticArray(Char_t *c) override; Int_t ReadStaticArray(UChar_t *c) override; Int_t ReadStaticArray(Short_t *h) override; Int_t ReadStaticArray(UShort_t *h) override; Int_t ReadStaticArray(Int_t *i) override; Int_t ReadStaticArray(UInt_t *i) override; Int_t ReadStaticArray(Long_t *l) override; Int_t ReadStaticArray(ULong_t *l) override; Int_t ReadStaticArray(Long64_t *l) override; Int_t ReadStaticArray(ULong64_t *l) override; Int_t ReadStaticArray(Float_t *f) override; Int_t ReadStaticArray(Double_t *d) override; Int_t ReadStaticArrayFloat16(Float_t *f, TStreamerElement *ele = nullptr) override; Int_t ReadStaticArrayDouble32(Double_t *d, TStreamerElement *ele = nullptr) override; void ReadFastArray(Bool_t *b, Int_t n) override; void ReadFastArray(Char_t *c, Int_t n) override; void ReadFastArrayString(Char_t *c, Int_t n) override; void ReadFastArray(UChar_t *c, Int_t n) override; void ReadFastArray(Short_t *h, Int_t n) override; void ReadFastArray(UShort_t *h, Int_t n) override; void ReadFastArray(Int_t *i, Int_t n) override; void ReadFastArray(UInt_t *i, Int_t n) override; void ReadFastArray(Long_t *l, Int_t n) override; void ReadFastArray(ULong_t *l, Int_t n) override; void ReadFastArray(Long64_t *l, Int_t n) override; void ReadFastArray(ULong64_t *l, Int_t n) override; void ReadFastArray(Float_t *f, Int_t n) override; void ReadFastArray(Double_t *d, Int_t n) override; void ReadFastArrayFloat16(Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override; void ReadFastArrayDouble32(Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override; void ReadFastArrayWithFactor(Float_t *ptr, Int_t n, Double_t factor, Double_t minvalue) override; void ReadFastArrayWithNbits(Float_t *ptr, Int_t n, Int_t nbits) override; void ReadFastArrayWithFactor(Double_t *ptr, Int_t n, Double_t factor, Double_t minvalue) override; void ReadFastArrayWithNbits(Double_t *ptr, Int_t n, Int_t nbits) override; void ReadFastArray(void *start , const TClass *cl, Int_t n=1, TMemberStreamer *s = nullptr, const TClass* onFileClass = nullptr) override; void ReadFastArray(void **startp, const TClass *cl, Int_t n=1, Bool_t isPreAlloc=kFALSE, TMemberStreamer *s = nullptr, const TClass* onFileClass = nullptr) override; void WriteArray(const Bool_t *b, Int_t n) override; void WriteArray(const Char_t *c, Int_t n) override; void WriteArray(const UChar_t *c, Int_t n) override; void WriteArray(const Short_t *h, Int_t n) override; void WriteArray(const UShort_t *h, Int_t n) override; void WriteArray(const Int_t *i, Int_t n) override; void WriteArray(const UInt_t *i, Int_t n) override; void WriteArray(const Long_t *l, Int_t n) override; void WriteArray(const ULong_t *l, Int_t n) override; void WriteArray(const Long64_t *l, Int_t n) override; void WriteArray(const ULong64_t *l, Int_t n) override; void WriteArray(const Float_t *f, Int_t n) override; void WriteArray(const Double_t *d, Int_t n) override; void WriteArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override; void WriteArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override; void WriteFastArray(const Bool_t *b, Int_t n) override; void WriteFastArray(const Char_t *c, Int_t n) override; void WriteFastArrayString(const Char_t *c, Int_t n) override; void WriteFastArray(const UChar_t *c, Int_t n) override; void WriteFastArray(const Short_t *h, Int_t n) override; void WriteFastArray(const UShort_t *h, Int_t n) override; void WriteFastArray(const Int_t *i, Int_t n) override; void WriteFastArray(const UInt_t *i, Int_t n) override; void WriteFastArray(const Long_t *l, Int_t n) override; void WriteFastArray(const ULong_t *l, Int_t n) override; void WriteFastArray(const Long64_t *l, Int_t n) override; void WriteFastArray(const ULong64_t *l, Int_t n) override; void WriteFastArray(const Float_t *f, Int_t n) override; void WriteFastArray(const Double_t *d, Int_t n) override; void WriteFastArrayFloat16(const Float_t *f, Int_t n, TStreamerElement *ele = nullptr) override; void WriteFastArrayDouble32(const Double_t *d, Int_t n, TStreamerElement *ele = nullptr) override; void WriteFastArray(void *start, const TClass *cl, Int_t n=1, TMemberStreamer *s = nullptr) override; Int_t WriteFastArray(void **startp, const TClass *cl, Int_t n=1, Bool_t isPreAlloc=kFALSE, TMemberStreamer *s = nullptr) override; void StreamObject(void *obj, const std::type_info &typeinfo, const TClass* onFileClass = nullptr) override; void StreamObject(void *obj, const char *className, const TClass* onFileClass = nullptr) override; void StreamObject(void *obj, const TClass *cl, const TClass* onFileClass = nullptr) override; void StreamObject(TObject *obj) override; void ReadBool(Bool_t &b) override; void ReadChar(Char_t &c) override; void ReadUChar(UChar_t &c) override; void ReadShort(Short_t &s) override; void ReadUShort(UShort_t &s) override; void ReadInt(Int_t &i) override; void ReadUInt(UInt_t &i) override; void ReadLong(Long_t &l) override; void ReadULong(ULong_t &l) override; void ReadLong64(Long64_t &l) override; void ReadULong64(ULong64_t &l) override; void ReadFloat(Float_t &f) override; void ReadDouble(Double_t &d) override; void ReadCharP(Char_t *c) override; void ReadTString(TString &s) override; void ReadStdString(std::string *s) override; using TBuffer::ReadStdString; void ReadCharStar(char* &s) override; void WriteBool(Bool_t b) override; void WriteChar(Char_t c) override; void WriteUChar(UChar_t c) override; void WriteShort(Short_t s) override; void WriteUShort(UShort_t s) override; void WriteInt(Int_t i) override; void WriteUInt(UInt_t i) override; void WriteLong(Long_t l) override; void WriteULong(ULong_t l) override; void WriteLong64(Long64_t l) override; void WriteULong64(ULong64_t l) override; void WriteFloat(Float_t f) override; void WriteDouble(Double_t d) override; void WriteCharP(const Char_t *c) override; void WriteTString(const TString &s) override; using TBuffer::WriteStdString; void WriteStdString(const std::string *s) override; void WriteCharStar(char *s) override; // Utilities for TClass Int_t ReadClassEmulated(const TClass *cl, void *object, const TClass *onfile_class) override; Int_t ReadClassBuffer(const TClass *cl, void *pointer, const TClass *onfile_class) override; Int_t ReadClassBuffer(const TClass *cl, void *pointer, Int_t version, UInt_t start, UInt_t count, const TClass *onfile_class) override; Int_t WriteClassBuffer(const TClass *cl, void *pointer) override; // Utilities to streamer using sequences. Int_t ApplySequence(const TStreamerInfoActions::TActionSequence &sequence, void *object) override; Int_t ApplySequenceVecPtr(const TStreamerInfoActions::TActionSequence &sequence, void *start_collection, void *end_collection) override; Int_t ApplySequence(const TStreamerInfoActions::TActionSequence &sequence, void *start_collection, void *end_collection) override; ClassDefOverride(TBufferFile,0) //concrete implementation of TBuffer for writing/reading to/from a ROOT file or socket. }; //---------------------- TBufferFile inlines --------------------------------------- //______________________________________________________________________________ inline void TBufferFile::WriteBool(Bool_t b) { if (fBufCur + sizeof(UChar_t) > fBufMax) AutoExpand(fBufSize+sizeof(UChar_t)); tobuf(fBufCur, b); } //______________________________________________________________________________ inline void TBufferFile::WriteChar(Char_t c) { if (fBufCur + sizeof(Char_t) > fBufMax) AutoExpand(fBufSize+sizeof(Char_t)); tobuf(fBufCur, c); } //______________________________________________________________________________ inline void TBufferFile::WriteUChar(UChar_t c) { if (fBufCur + sizeof(UChar_t) > fBufMax) AutoExpand(fBufSize+sizeof(UChar_t)); tobuf(fBufCur, (Char_t)c); } //______________________________________________________________________________ inline void TBufferFile::WriteShort(Short_t h) { if (fBufCur + sizeof(Short_t) > fBufMax) AutoExpand(fBufSize+sizeof(Short_t)); tobuf(fBufCur, h); } //______________________________________________________________________________ inline void TBufferFile::WriteUShort(UShort_t h) { if (fBufCur + sizeof(UShort_t) > fBufMax) AutoExpand(fBufSize+sizeof(UShort_t)); tobuf(fBufCur, (Short_t)h); } //______________________________________________________________________________ inline void TBufferFile::WriteInt(Int_t i) { if (fBufCur + sizeof(Int_t) > fBufMax) AutoExpand(fBufSize+sizeof(Int_t)); tobuf(fBufCur, i); } //______________________________________________________________________________ inline void TBufferFile::WriteUInt(UInt_t i) { if (fBufCur + sizeof(UInt_t) > fBufMax) AutoExpand(fBufSize+sizeof(UInt_t)); tobuf(fBufCur, (Int_t)i); } //______________________________________________________________________________ inline void TBufferFile::WriteLong(Long_t l) { if (fBufCur + sizeof(Long_t) > fBufMax) AutoExpand(fBufSize+sizeof(Long_t)); tobuf(fBufCur, l); } //______________________________________________________________________________ inline void TBufferFile::WriteULong(ULong_t l) { if (fBufCur + sizeof(ULong_t) > fBufMax) AutoExpand(fBufSize+sizeof(ULong_t)); tobuf(fBufCur, (Long_t)l); } //______________________________________________________________________________ inline void TBufferFile::WriteLong64(Long64_t ll) { if (fBufCur + sizeof(Long64_t) > fBufMax) AutoExpand(fBufSize+sizeof(Long64_t)); tobuf(fBufCur, ll); } //______________________________________________________________________________ inline void TBufferFile::WriteULong64(ULong64_t ll) { if (fBufCur + sizeof(ULong64_t) > fBufMax) AutoExpand(fBufSize+sizeof(ULong64_t)); tobuf(fBufCur, (Long64_t)ll); } //______________________________________________________________________________ inline void TBufferFile::WriteFloat(Float_t f) { if (fBufCur + sizeof(Float_t) > fBufMax) AutoExpand(fBufSize+sizeof(Float_t)); tobuf(fBufCur, f); } //______________________________________________________________________________ inline void TBufferFile::WriteDouble(Double_t d) { if (fBufCur + sizeof(Double_t) > fBufMax) AutoExpand(fBufSize+sizeof(Double_t)); tobuf(fBufCur, d); } //______________________________________________________________________________ inline void TBufferFile::WriteCharP(const Char_t *c) { WriteString(c); } //______________________________________________________________________________ inline void TBufferFile::ReadBool(Bool_t &b) { frombuf(fBufCur, &b); } //______________________________________________________________________________ inline void TBufferFile::ReadChar(Char_t &c) { frombuf(fBufCur, &c); } //______________________________________________________________________________ inline void TBufferFile::ReadUChar(UChar_t &c) { TBufferFile::ReadChar((Char_t &)c); } //______________________________________________________________________________ inline void TBufferFile::ReadShort(Short_t &h) { frombuf(fBufCur, &h); } //______________________________________________________________________________ inline void TBufferFile::ReadUShort(UShort_t &h) { TBufferFile::ReadShort((Short_t &)h); } //______________________________________________________________________________ inline void TBufferFile::ReadInt(Int_t &i) { frombuf(fBufCur, &i); } //______________________________________________________________________________ inline void TBufferFile::ReadUInt(UInt_t &i) { TBufferFile::ReadInt((Int_t &)i); } // in implementation file because special case with old version //______________________________________________________________________________ //inline void TBufferFile::ReadLong(Long_t &ll) //{ // frombuf(fBufCur, &ll); //} //______________________________________________________________________________ inline void TBufferFile::ReadULong(ULong_t &ll) { TBufferFile::ReadLong((Long_t&)ll); } //______________________________________________________________________________ inline void TBufferFile::ReadLong64(Long64_t &ll) { frombuf(fBufCur, &ll); } //______________________________________________________________________________ inline void TBufferFile::ReadULong64(ULong64_t &ll) { TBufferFile::ReadLong64((Long64_t &)ll); } //______________________________________________________________________________ inline void TBufferFile::ReadFloat(Float_t &f) { frombuf(fBufCur, &f); } //______________________________________________________________________________ inline void TBufferFile::ReadDouble(Double_t &d) { frombuf(fBufCur, &d); } //______________________________________________________________________________ inline void TBufferFile::ReadCharP(Char_t *c) { ReadString(c, -1); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadArray(UChar_t *&c) { return TBufferFile::ReadArray((Char_t *&)c); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadArray(UShort_t *&h) { return TBufferFile::ReadArray((Short_t *&)h); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadArray(UInt_t *&i) { return TBufferFile::ReadArray((Int_t *&)i); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadArray(ULong_t *&l) { return TBufferFile::ReadArray((Long_t *&)l); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadArray(ULong64_t *&ll) { return TBufferFile::ReadArray((Long64_t *&)ll); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadStaticArray(UChar_t *c) { return TBufferFile::ReadStaticArray((Char_t *)c); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadStaticArray(UShort_t *h) { return TBufferFile::ReadStaticArray((Short_t *)h); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadStaticArray(UInt_t *i) { return TBufferFile::ReadStaticArray((Int_t *)i); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadStaticArray(ULong_t *l) { return TBufferFile::ReadStaticArray((Long_t *)l); } //______________________________________________________________________________ inline Int_t TBufferFile::ReadStaticArray(ULong64_t *ll) { return TBufferFile::ReadStaticArray((Long64_t *)ll); } //______________________________________________________________________________ inline void TBufferFile::ReadFastArray(UChar_t *c, Int_t n) { TBufferFile::ReadFastArray((Char_t *)c, n); } //______________________________________________________________________________ inline void TBufferFile::ReadFastArray(UShort_t *h, Int_t n) { TBufferFile::ReadFastArray((Short_t *)h, n); } //______________________________________________________________________________ inline void TBufferFile::ReadFastArray(UInt_t *i, Int_t n) { TBufferFile::ReadFastArray((Int_t *)i, n); } //______________________________________________________________________________ inline void TBufferFile::ReadFastArray(ULong_t *l, Int_t n) { TBufferFile::ReadFastArray((Long_t *)l, n); } //______________________________________________________________________________ inline void TBufferFile::ReadFastArray(ULong64_t *ll, Int_t n) { TBufferFile::ReadFastArray((Long64_t *)ll, n); } //______________________________________________________________________________ inline void TBufferFile::WriteArray(const UChar_t *c, Int_t n) { TBufferFile::WriteArray((const Char_t *)c, n); } //______________________________________________________________________________ inline void TBufferFile::WriteArray(const UShort_t *h, Int_t n) { TBufferFile::WriteArray((const Short_t *)h, n); } //______________________________________________________________________________ inline void TBufferFile::WriteArray(const UInt_t *i, Int_t n) { TBufferFile::WriteArray((const Int_t *)i, n); } //______________________________________________________________________________ inline void TBufferFile::WriteArray(const ULong64_t *ll, Int_t n) { TBufferFile::WriteArray((const Long64_t *)ll, n); } //______________________________________________________________________________ inline void TBufferFile::WriteFastArray(const UChar_t *c, Int_t n) { TBufferFile::WriteFastArray((const Char_t *)c, n); } //______________________________________________________________________________ inline void TBufferFile::WriteFastArray(const UShort_t *h, Int_t n) { TBufferFile::WriteFastArray((const Short_t *)h, n); } //______________________________________________________________________________ inline void TBufferFile::WriteFastArray(const UInt_t *i, Int_t n) { TBufferFile::WriteFastArray((const Int_t *)i, n); } //______________________________________________________________________________ inline void TBufferFile::WriteFastArray(const ULong64_t *ll, Int_t n) { TBufferFile::WriteFastArray((const Long64_t *)ll, n); } #endif