#ifndef ROOT_TFIOElement
#define ROOT_TFIOElement
#ifndef ROOT_TNamed
#include "TNamed.h"
#endif
#ifndef ROOT_TFHeader
#include "TFHeader.h"
#endif
#ifndef ROOT_TFVirtualIO
#include "TFVirtualIO.h"
#endif
class TFIOElement : public TNamed, public TFHeader
{
protected:
TFVirtualIO * fio;
FMode fFileAccess;
public:
TFIOElement();
TFIOElement(const TFIOElement & ioelement);
TFIOElement(const char * name);
TFIOElement(const char * name, const char * fileName);
virtual ~TFIOElement();
virtual TFIOElement & operator = (const TFIOElement & ioelement);
virtual bool operator == (const TFHeader & ioelement) const;
void SetIO(TFVirtualIO * io) {fio = io;}
void SetFileAccess(FMode mode) {fFileAccess = mode;}
virtual Bool_t IsFileConnected() const {return fio != NULL && fio->IsOpen();}
virtual const char * GetFileName() const {return fio ? fio->GetFileName() : NULL;}
virtual Int_t GetCycle() const {return fio ? fio->GetCycle() : 0;}
virtual void SetCompressionLevel(Int_t level)
{if (fio) fio->SetCompressionLevel(level);}
virtual Int_t GetCompressionLevel()
{return fio ? fio->GetCompressionLevel() : 0;}
virtual void CloseElement();
virtual Int_t SaveElement(const char * fileName = NULL, Int_t compLevel = -1);
virtual Int_t DeleteElement(Bool_t updateMemory = kFALSE);
virtual void Print(const Option_t* option = "") const;
protected:
virtual void UpdateMemory() {}
virtual void NewFile(const char * fileName);
ClassDef(TFIOElement,1)
};
class TFFileIter
{
TFVirtualFileIter * fIter;
public:
TFFileIter(const char * fileName, FMode mode = kFRead);
~TFFileIter() {delete fIter;}
Bool_t IsFileConnected() const {return fIter != NULL && fIter->IsOpen();}
Bool_t Next() {return fIter->Next();}
void Reset() {fIter->Reset();}
TFIOElement & operator * () {return fIter->operator*();}
TFIOElement * operator -> () {return fIter->operator->();}
ClassDef(TFFileIter,0)
};
extern TFIOElement * TFRead(const char * fileName, const char * name,
UInt_t cycle = 0, FMode mode = kFRead,
TClass * classType = NULL);
extern TFIOElement * TFCreate(const char * templateFName, const char * fileName = NULL);
#endif
Last update: Fri Mar 14 13:55:15 2008
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