Scippy

UG

Ubiquity Generator framework

Internal class to implement gzstream. More...

#include <gzstream.h>

Inheritance diagram for gzstreambuf:

Public Member Functions
Construction / destruction
	gzstreambuf ()
	default constructor More...

	~gzstreambuf ()
	destructor More...

Interface
int	is_open ()

gzstreambuf *	open (const char *name, int open_mode)

gzstreambuf *	close ()

virtual int	overflow (int c=EOF)

virtual int	underflow ()

virtual int	sync ()

Private Member Functions
Internal helpers
int	flush_buffer ()

Private Attributes
Data
gzFile	file
	file handle for compressed file More...

char	buffer [bufferSize]
	data buffer More...

char	opened
	open/close state of stream More...

int	mode
	I/O mode. More...

Static Private Attributes
Types
static const int	bufferSize = 47+256
	size of data buff More...

Detailed Description

Internal class to implement gzstream.

Definition at line 59 of file gzstream.h.

Constructor & Destructor Documentation

◆ gzstreambuf()

gzstreambuf ( )

default constructor

Definition at line 94 of file gzstream.h.

References gzstreambuf::buffer, and gzstreambuf::bufferSize.

◆ ~gzstreambuf()

~gzstreambuf ( )

destructor

Definition at line 104 of file gzstream.h.

References gzstreambuf::close().

Member Function Documentation

◆ close()

gzstreambuf * close ( )

Definition at line 70 of file gzstream.cpp.

References gzstreambuf::file, gzstreambuf::is_open(), gzstreambuf::opened, and gzstreambuf::sync().

Referenced by gzstreambase::close(), gzstreambase::~gzstreambase(), and gzstreambuf::~gzstreambuf().

◆ flush_buffer()

int flush_buffer ( )

private

Definition at line 105 of file gzstream.cpp.

References gzstreambuf::file.

Referenced by gzstreambuf::overflow(), and gzstreambuf::sync().

◆ is_open()

int is_open ( )

Definition at line 114 of file gzstream.h.

References gzstreambuf::opened.

Referenced by gzstreambuf::close(), gzstreambase::close(), and gzstreambuf::open().

◆ open()

gzstreambuf * open	(	const char *	name,
		int	open_mode
	)

Definition at line 47 of file gzstream.cpp.

References gzstreambuf::file, gzstreambuf::is_open(), gzstreambuf::mode, and gzstreambuf::opened.

Referenced by gzstreambase::open().

◆ overflow()

int overflow ( int c = EOF )

virtual

Definition at line 115 of file gzstream.cpp.

References gzstreambuf::flush_buffer(), gzstreambuf::mode, and gzstreambuf::opened.

◆ sync()

int sync ( )

virtual

Definition at line 127 of file gzstream.cpp.

References gzstreambuf::flush_buffer().

Referenced by gzstreambuf::close().

◆ underflow()

int underflow ( )

virtual

Definition at line 80 of file gzstream.cpp.

References gzstreambuf::buffer, gzstreambuf::bufferSize, gzstreambuf::file, gzstreambuf::mode, and gzstreambuf::opened.

Member Data Documentation

◆ buffer

char buffer[bufferSize]

private

data buffer

Definition at line 76 of file gzstream.h.

Referenced by gzstreambuf::gzstreambuf(), and gzstreambuf::underflow().

◆ bufferSize

const int bufferSize = 47+256

staticprivate

size of data buff

Definition at line 68 of file gzstream.h.

Referenced by gzstreambuf::gzstreambuf(), and gzstreambuf::underflow().

◆ file

gzFile file

private

file handle for compressed file

Definition at line 75 of file gzstream.h.

Referenced by gzstreambuf::close(), gzstreambuf::flush_buffer(), gzstreambuf::open(), and gzstreambuf::underflow().

◆ mode

int mode

private

I/O mode.

Definition at line 78 of file gzstream.h.

Referenced by gzstreambuf::open(), gzstreambuf::overflow(), and gzstreambuf::underflow().

◆ opened

char opened

private

open/close state of stream

Definition at line 77 of file gzstream.h.

Referenced by gzstreambuf::close(), gzstreambuf::is_open(), gzstreambuf::open(), gzstreambuf::overflow(), and gzstreambuf::underflow().