sese::Decompressor Class Reference

Decompressor class. More...

#include <Decompressor.h>

Public Types
using	OutputStream = sese::io::OutputStream

Public Member Functions
	Decompressor (CompressionType type, size_t buffer_size=ZLIB_CHUNK_SIZE)
virtual	~Decompressor ()
void	input (const void *input, unsigned int input_size)
int	inflate (OutputStream *out)
int	reset ()
	Reset z_stream object.
size_t	getTotalIn () const
size_t	getTotalOut () const

Private Attributes
void *	stream
size_t	cap = 0
	Represents allocated buffer size.
size_t	length = 0
	Represents filled buffer size.
size_t	read = 0
	Represents read portion of the buffer.
unsigned char *	buffer
	Internal buffer.

Detailed Description

Decompressor class.

Member Typedef Documentation

OutputStream

using sese::Decompressor::OutputStream = sese::io::OutputStream

Constructor & Destructor Documentation

Decompressor()

sese::Decompressor::Decompressor ( sese::CompressionType type, size_t buffer_size = ZLIB_CHUNK_SIZE )

explicit

Create a decompressor

Parameters

type	Compression format
buffer_size	Set internal buffer size

References buffer, cap, and stream.

~Decompressor()

sese::Decompressor::~Decompressor ( )

virtual

Member Function Documentation

getTotalIn()

size_t sese::Decompressor::getTotalIn ( ) const

nodiscard

Size of the currently processed input buffer

Returns

Buffer size

getTotalOut()

size_t sese::Decompressor::getTotalOut ( ) const

nodiscard

Size of the currently processed output buffer

Returns

Buffer size

References read().

inflate()

int sese::Decompressor::inflate

(

OutputStream *

out

)

Perform decompression

Parameters

out	Decompressed stream

Return values

Z_OK	(0) Current buffer block decompressed successfully
Z_STREAM_ERROR	(-2) Other errors
Z_BUF_ERROR	(-5) Output stream capacity insufficient

References read(), and sese::io::OutputStream::write().

input()

void sese::Decompressor::input	(	const void *	input,
		unsigned int	input_size )

Set the buffer to be decompressed

Parameters

input	Buffer to be decompressed
input_size	Size of this buffer

reset()

int sese::Decompressor::reset

(

)

Reset z_stream object.

References read().

Member Data Documentation

buffer

unsigned char* sese::Decompressor::buffer

private

Internal buffer.

Referenced by Decompressor().

cap

size_t sese::Decompressor::cap = 0

private

Represents allocated buffer size.

Referenced by Decompressor().

length

size_t sese::Decompressor::length = 0

private

Represents filled buffer size.

read

size_t sese::Decompressor::read = 0

private

Represents read portion of the buffer.

stream

void* sese::Decompressor::stream

private

Referenced by Decompressor().

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

• sese/util/Decompressor.h
• sese/util/Decompressor.cpp