TRawFile Class Reference

Detailed Description

Reader for raw files.

This Class is used to read and write raw files in the root framework.

Definition at line 31 of file TRawFile.h.

Public Types
enum class	EOpenType { kRead , kWrite }

Public Member Functions
	TRawFile ()=default
	TRawFile (const char *, EOpenType=EOpenType::kRead)
	TRawFile (const TRawFile &)=default
	TRawFile (TRawFile &&) noexcept=default
	~TRawFile ()=default
char *	BufferData ()
size_t	BufferSize () const
virtual size_t	BytesRead ()
void	ClearBuffer ()
virtual void	Close ()=0
virtual std::string	Filename () const
virtual void	Filename (const char *val)
virtual size_t	FileSize ()
void	FileSize (size_t fileSize)
virtual const char *	GetFilename () const
virtual std::shared_ptr< TRawEvent >	GetOdbEvent ()
virtual int	GetRunNumber ()=0
virtual int	GetSubRunNumber ()=0
void	IncrementBytesRead (size_t val=1)
virtual std::shared_ptr< TRawEvent >	NewEvent ()=0
virtual bool	Open (const char *filename)=0
TRawFile &	operator= (const TRawFile &)=default
TRawFile &	operator= (TRawFile &&) noexcept=default
virtual int	Read (std::shared_ptr< TRawEvent > event)=0
void	ResizeBuffer (size_t newSize)
virtual void	Skip (size_t nofEvents)=0
virtual std::string	Status (bool long_file_description=true)=0

Private Attributes
size_t	fBytesRead {0}
std::string	fFilename
size_t	fFileSize {0}
std::vector< char >	fReadBuffer

Inheritance diagram for TRawFile:

Collaboration diagram for TRawFile:

Member Enumeration Documentation

EOpenType

enum class TRawFile::EOpenType

strong

Enumerator
kRead
kWrite

Definition at line 33 of file TRawFile.h.

Constructor & Destructor Documentation

TRawFile() [1/4]

TRawFile::TRawFile ( )

default

default constructor

TRawFile() [2/4]

TRawFile::TRawFile ( const char * , EOpenType = EOpenType::kRead )

inlineexplicit

Definition at line 37 of file TRawFile.h.

TRawFile() [3/4]

TRawFile::TRawFile ( const TRawFile & )

default

TRawFile() [4/4]

TRawFile::TRawFile ( TRawFile && )

defaultnoexcept

~TRawFile()

TRawFile::~TRawFile ( )

default

destructor

Member Function Documentation

BufferData()

char * TRawFile::BufferData ( )

inline

Definition at line 70 of file TRawFile.h.

References fReadBuffer.

Referenced by TMidasFile::Read(), TMidasFile::ReadMoreBytes(), and TMidasFile::Skip().

BufferSize()

size_t TRawFile::BufferSize ( ) const

inline

Definition at line 69 of file TRawFile.h.

References fReadBuffer.

Referenced by TMidasFile::Read(), TMidasFile::ReadMoreBytes(), and TMidasFile::Skip().

BytesRead()

virtual size_t TRawFile::BytesRead ( )

inlinevirtual

Definition at line 61 of file TRawFile.h.

References fBytesRead.

Referenced by TDataLoop::Iteration(), and TMidasFile::Status().

ClearBuffer()

void TRawFile::ClearBuffer ( )

inline

Definition at line 71 of file TRawFile.h.

References fReadBuffer.

Referenced by TMidasFile::Read(), and TMidasFile::Skip().

Close()

virtual void TRawFile::Close ( )

pure virtual

Close input file.

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

Filename() [1/2]

virtual std::string TRawFile::Filename ( ) const

inlinevirtual

Get the name of this file.

Definition at line 66 of file TRawFile.h.

References fFilename.

Referenced by TMidasFile::Close(), TMidasFile::GetRunNumber(), TMidasFile::GetSubRunNumber(), and TMidasFile::Open().

Filename() [2/2]

virtual void TRawFile::Filename ( const char * val )

inlinevirtual

Definition at line 67 of file TRawFile.h.

References fFilename.

FileSize() [1/2]

virtual size_t TRawFile::FileSize ( )

inlinevirtual

Definition at line 63 of file TRawFile.h.

References fFileSize.

Referenced by TDataLoop::Iteration(), TMidasFile::Open(), and TMidasFile::Status().

FileSize() [2/2]

void TRawFile::FileSize ( size_t fileSize )

inline

Definition at line 64 of file TRawFile.h.

References fFileSize.

GetFilename()

virtual const char * TRawFile::GetFilename ( ) const

inlinevirtual

Get the name of this file.

Definition at line 56 of file TRawFile.h.

References fFilename.

Referenced by TLstFile::Open(), TMidasFile::Open(), TRlmdFile::Open(), TTdrFile::Open(), and WriteEvents().

GetOdbEvent()

virtual std::shared_ptr< TRawEvent > TRawFile::GetOdbEvent ( )

inlinevirtual

Reimplemented in TMidasFile.

Definition at line 75 of file TRawFile.h.

GetRunNumber()

virtual int TRawFile::GetRunNumber ( )

pure virtual

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

GetSubRunNumber()

virtual int TRawFile::GetSubRunNumber ( )

pure virtual

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

IncrementBytesRead()

void TRawFile::IncrementBytesRead ( size_t val = 1 )

inline

Definition at line 62 of file TRawFile.h.

References fBytesRead.

Referenced by TMidasFile::Read(), and TMidasFile::Skip().

NewEvent()

virtual std::shared_ptr< TRawEvent > TRawFile::NewEvent ( )

pure virtual

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

Referenced by TDataLoop::Iteration().

Open()

virtual bool TRawFile::Open ( const char * filename )

pure virtual

Open input file.

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

operator=() [1/2]

TRawFile & TRawFile::operator= ( const TRawFile & )

default

operator=() [2/2]

TRawFile & TRawFile::operator= ( TRawFile && )

defaultnoexcept

Read()

virtual int TRawFile::Read ( std::shared_ptr< TRawEvent > event )

pure virtual

Read one event from the file.

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

Referenced by TDataLoop::Iteration().

ResizeBuffer()

void TRawFile::ResizeBuffer ( size_t newSize )

inline

Definition at line 72 of file TRawFile.h.

References fReadBuffer.

Referenced by TMidasFile::ReadMoreBytes().

Skip()

virtual void TRawFile::Skip ( size_t nofEvents )

pure virtual

Skip nofEvents events in file.

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

Referenced by TDataLoop::Iteration().

Status()

virtual std::string TRawFile::Status ( bool long_file_description = true )

pure virtual

Implemented in TLstFile, TMidasFile, TRlmdFile, and TTdrFile.

Member Data Documentation

fBytesRead

size_t TRawFile::fBytesRead {0}

private

Definition at line 87 of file TRawFile.h.

Referenced by BytesRead(), TRlmdFile::Close(), IncrementBytesRead(), TRlmdFile::Open(), TLstFile::Read(), TRlmdFile::Read(), TTdrFile::Read(), TTdrFile::Skip(), TLstFile::Status(), and TTdrFile::Status().

fFilename

std::string TRawFile::fFilename

private

name of the currently open file

Definition at line 83 of file TRawFile.h.

Referenced by Filename(), Filename(), GetFilename(), TLstFile::GetRunNumber(), TRlmdFile::GetRunNumber(), TTdrFile::GetRunNumber(), TTdrFile::GetSubRunNumber(), TLstFile::Open(), TRlmdFile::Open(), and TTdrFile::Open().

fFileSize

size_t TRawFile::fFileSize {0}

private

Definition at line 88 of file TRawFile.h.

Referenced by TRlmdFile::Close(), FileSize(), FileSize(), TLstFile::Open(), TRlmdFile::Open(), TTdrFile::Open(), TLstFile::Read(), TRlmdFile::Read(), TTdrFile::Read(), TTdrFile::Skip(), TLstFile::Status(), TRlmdFile::Status(), and TTdrFile::Status().

fReadBuffer

std::vector<char> TRawFile::fReadBuffer

private

Definition at line 85 of file TRawFile.h.

Referenced by BufferData(), BufferSize(), ClearBuffer(), TLstFile::Open(), TTdrFile::Open(), TLstFile::Read(), TRlmdFile::Read(), TTdrFile::Read(), and ResizeBuffer().