Inkscape::IO::GzipInputStream Class Reference

This class is for deflating a gzip-compressed InputStream source. More...

#include <gzipstream.h>

Inheritance diagram for Inkscape::IO::GzipInputStream:

Public Member Functions
	GzipInputStream (InputStream &sourceStream)
	~GzipInputStream () override
int	available () override
	Returns the number of bytes that can be read (or skipped over) from this input stream without blocking by the next caller of a method for this input stream.
void	close () override
	Closes this input stream and releases any system resources associated with the stream.
int	get () override
	Reads the next byte of data from the input stream.
Public Member Functions inherited from Inkscape::IO::BasicInputStream
	BasicInputStream (InputStream &sourceStream)
	~BasicInputStream () override=default
Public Member Functions inherited from Inkscape::IO::InputStream
	InputStream ()=default
	Constructor.
virtual	~InputStream ()=default
	Destructor.

Private Member Functions
bool	load ()
int	fetchMore ()

Private Attributes
bool	loaded
unsigned char *	outputBuf
unsigned char *	srcBuf
unsigned long	crc
unsigned long	srcCrc
unsigned long	srcSiz
unsigned long	srcLen
long	outputBufPos
long	outputBufLen
z_stream	d_stream

Additional Inherited Members
Protected Attributes inherited from Inkscape::IO::BasicInputStream
bool	closed
InputStream &	source

Detailed Description

This class is for deflating a gzip-compressed InputStream source.

Definition at line 38 of file gzipstream.h.

Constructor & Destructor Documentation

GzipInputStream()

Inkscape::IO::GzipInputStream::GzipInputStream

(

InputStream &

sourceStream

)

Definition at line 39 of file gzipstream.cpp.

References d_stream.

~GzipInputStream()

Inkscape::IO::GzipInputStream::~GzipInputStream ( )

override

Definition at line 57 of file gzipstream.cpp.

References close(), outputBuf, and srcBuf.

Member Function Documentation

available()

int Inkscape::IO::GzipInputStream::available ( )

overridevirtual

Returns the number of bytes that can be read (or skipped over) from this input stream without blocking by the next caller of a method for this input stream.

Reimplemented from Inkscape::IO::BasicInputStream.

Definition at line 75 of file gzipstream.cpp.

References Inkscape::IO::BasicInputStream::closed, outputBuf, outputBufLen, and outputBufPos.

close()

void Inkscape::IO::GzipInputStream::close ( )

overridevirtual

Closes this input stream and releases any system resources associated with the stream.

Reimplemented from Inkscape::IO::BasicInputStream.

Definition at line 87 of file gzipstream.cpp.

References Inkscape::IO::BasicInputStream::closed, d_stream, outputBuf, and srcBuf.

Referenced by ~GzipInputStream().

fetchMore()

int Inkscape::IO::GzipInputStream::fetchMore ( )

private

Definition at line 269 of file gzipstream.cpp.

References crc, d_stream, outputBuf, outputBufLen, and outputBufPos.

Referenced by get(), and load().

get()

int Inkscape::IO::GzipInputStream::get ( )

overridevirtual

Reads the next byte of data from the input stream.

-1 if EOF

Reimplemented from Inkscape::IO::BasicInputStream.

Definition at line 111 of file gzipstream.cpp.

References Inkscape::IO::BasicInputStream::closed, fetchMore(), load(), loaded, outputBuf, outputBufLen, and outputBufPos.

Referenced by readOpenTypeSVGTable().

load()

bool Inkscape::IO::GzipInputStream::load ( )

private

Definition at line 141 of file gzipstream.cpp.

References crc, d_stream, data, fetchMore(), Inkscape::IO::InputStream::get(), outputBuf, outputBufLen, Inkscape::IO::BasicInputStream::source, srcBuf, srcCrc, srcLen, and srcSiz.

Referenced by get().

Member Data Documentation

crc

unsigned long Inkscape::IO::GzipInputStream::crc

private

Definition at line 63 of file gzipstream.h.

Referenced by fetchMore(), and load().

d_stream

z_stream Inkscape::IO::GzipInputStream::d_stream

private

Definition at line 70 of file gzipstream.h.

Referenced by close(), fetchMore(), GzipInputStream(), and load().

loaded

bool Inkscape::IO::GzipInputStream::loaded

private

Definition at line 58 of file gzipstream.h.

Referenced by get().

outputBuf

unsigned char* Inkscape::IO::GzipInputStream::outputBuf

private

Definition at line 60 of file gzipstream.h.

Referenced by available(), close(), fetchMore(), get(), load(), and ~GzipInputStream().

outputBufLen

long Inkscape::IO::GzipInputStream::outputBufLen

private

Definition at line 68 of file gzipstream.h.

Referenced by available(), fetchMore(), get(), and load().

outputBufPos

long Inkscape::IO::GzipInputStream::outputBufPos

private

Definition at line 67 of file gzipstream.h.

Referenced by available(), fetchMore(), and get().

srcBuf

unsigned char* Inkscape::IO::GzipInputStream::srcBuf

private

Definition at line 61 of file gzipstream.h.

Referenced by close(), load(), and ~GzipInputStream().

srcCrc

unsigned long Inkscape::IO::GzipInputStream::srcCrc

private

Definition at line 64 of file gzipstream.h.

Referenced by load().

srcLen

unsigned long Inkscape::IO::GzipInputStream::srcLen

private

Definition at line 66 of file gzipstream.h.

Referenced by load().

srcSiz

unsigned long Inkscape::IO::GzipInputStream::srcSiz

private

Definition at line 65 of file gzipstream.h.

Referenced by load().

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The documentation for this class was generated from the following files:

• /builds/inkscape/inkscape/src/io/stream/gzipstream.h
• /builds/inkscape/inkscape/src/io/stream/gzipstream.cpp