// @(#)root/io:$Id$ // Author: Rene Brun 22/01/2007 /************************************************************************* * 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_TDirectoryFile #define ROOT_TDirectoryFile ////////////////////////////////////////////////////////////////////////// // // // TDirectoryFile // // // // Describe directory structure in a ROOT file. // // // ////////////////////////////////////////////////////////////////////////// #include "Compression.h" #include "TDirectory.h" #include "TDatime.h" #include "TList.h" class TKey; class TFile; class TDirectoryFile : public TDirectory { protected: Bool_t fModified{kFALSE}; ///< True if directory has been modified Bool_t fWritable{kFALSE}; ///< True if directory is writable TDatime fDatimeC; ///< Date and time when directory is created TDatime fDatimeM; ///< Date and time of last modification Int_t fNbytesKeys{0}; ///< Number of bytes for the keys Int_t fNbytesName{0}; ///< Number of bytes in TNamed at creation time Int_t fBufferSize{0}; ///< Default buffer size to create new TKeys Long64_t fSeekDir{0}; ///< Location of directory on file Long64_t fSeekParent{0}; ///< Location of parent directory on file Long64_t fSeekKeys{0}; ///< Location of Keys record on file TFile *fFile{nullptr}; ///< Pointer to current file in memory TList *fKeys{nullptr}; ///< Pointer to keys list in memory void CleanTargets(); void InitDirectoryFile(TClass *cl = nullptr); void BuildDirectoryFile(TFile* motherFile, TDirectory* motherDir); private: TDirectoryFile(const TDirectoryFile &directory) = delete; //Directories cannot be copied void operator=(const TDirectoryFile &) = delete; //Directories cannot be copied public: // TDirectory status bits enum EStatusBits { kCloseDirectory = BIT(7) }; // Unused in ROOT, never set. Maybe only in external code. TDirectoryFile(); TDirectoryFile(const char *name, const char *title, Option_t *option="", TDirectory* motherDir = nullptr); ~TDirectoryFile() override; void Append(TObject *obj, Bool_t replace = kFALSE) override; void Add(TObject *obj, Bool_t replace = kFALSE) override { Append(obj,replace); } Int_t AppendKey(TKey *key) override; void Browse(TBrowser *b) override; void Build(TFile* motherFile = nullptr, TDirectory* motherDir = nullptr) override { BuildDirectoryFile(motherFile, motherDir); } TObject *CloneObject(const TObject *obj, Bool_t autoadd = kTRUE) override; void Close(Option_t *option="") override; void Copy(TObject &) const override { MayNotUse("Copy(TObject &)"); } Bool_t cd() override; Bool_t cd(const char *path) override; void Delete(const char *namecycle="") override; void FillBuffer(char *&buffer) override; TKey *FindKey(const char *keyname) const override; TKey *FindKeyAny(const char *keyname) const override; TObject *FindObjectAny(const char *name) const override; TObject *FindObjectAnyFile(const char *name) const override; TObject *Get(const char *namecycle) override; /// See documentation of TDirectoryFile::Get(const char *namecycle) template inline T* Get(const char* namecycle) { return TDirectory::Get(namecycle); } TDirectory *GetDirectory(const char *apath, Bool_t printError = false, const char *funcname = "GetDirectory") override; void *GetObjectChecked(const char *namecycle, const char* classname) override; void *GetObjectChecked(const char *namecycle, const TClass* cl) override; void *GetObjectUnchecked(const char *namecycle) override; Int_t GetBufferSize() const override; const TDatime &GetCreationDate() const { return fDatimeC; } TFile *GetFile() const override { return fFile; } TKey *GetKey(const char *name, Short_t cycle=9999) const override; TList *GetListOfKeys() const override { return fKeys; } const TDatime &GetModificationDate() const { return fDatimeM; } Int_t GetNbytesKeys() const override { return fNbytesKeys; } Int_t GetNkeys() const override { return fKeys->GetSize(); } Long64_t GetSeekDir() const override { return fSeekDir; } Long64_t GetSeekParent() const override { return fSeekParent; } Long64_t GetSeekKeys() const override { return fSeekKeys; } Bool_t IsModified() const override { return fModified; } Bool_t IsWritable() const override { return fWritable; } void ls(Option_t *option="") const override; TDirectory *mkdir(const char *name, const char *title="", Bool_t returnExistingDirectory = kFALSE) override; TFile *OpenFile(const char *name, Option_t *option= "", const char *ftitle = "", Int_t compress = ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt = 0) override; void Purge(Short_t nkeep=1) override; void ReadAll(Option_t *option="") override; Int_t ReadKeys(Bool_t forceRead=kTRUE) override; Int_t ReadTObject(TObject *obj, const char *keyname) override; virtual void ResetAfterMerge(TFileMergeInfo *); void rmdir(const char *name) override; void Save() override; void SaveSelf(Bool_t force = kFALSE) override; Int_t SaveObjectAs(const TObject *obj, const char *filename="", Option_t *option="") const override; void SetBufferSize(Int_t bufsize) override; void SetModified() override {fModified = kTRUE;} void SetSeekDir(Long64_t v) override { fSeekDir = v; } void SetTRefAction(TObject *ref, TObject *parent) override; void SetWritable(Bool_t writable=kTRUE) override; Int_t Sizeof() const override; Int_t Write(const char *name=nullptr, Int_t opt=0, Int_t bufsize=0) override; Int_t Write(const char *name=nullptr, Int_t opt=0, Int_t bufsize=0) const override; Int_t WriteTObject(const TObject *obj, const char *name=nullptr, Option_t *option="", Int_t bufsize=0) override; Int_t WriteObjectAny(const void *obj, const char *classname, const char *name, Option_t *option="", Int_t bufsize=0) override; Int_t WriteObjectAny(const void *obj, const TClass *cl, const char *name, Option_t *option="", Int_t bufsize=0) override; void WriteDirHeader() override; void WriteKeys() override; ClassDefOverride(TDirectoryFile,5) //Describe directory structure in a ROOT file }; #endif