Filter using Zlib compression. More...

Inheritance diagram for ZlibLoadFilter:

Public Member Functions
	ZlibLoadFilter (std::shared_ptr< LoadFilter > chain)
	Initialise this filter.

	~ZlibLoadFilter ()
	Clean everything up.

size_t	Read (uint8_t *buf, size_t size) override
	Read a given number of bytes from the savegame.

Public Member Functions inherited from LoadFilter
	LoadFilter (std::shared_ptr< LoadFilter > chain)
	Initialise this filter.

virtual	~LoadFilter ()=default
	Make sure the writers are properly closed.

virtual void	Reset ()
	Reset this filter to read from the beginning of the file.

Data Fields
z_stream	z {}
	Stream state we are reading from.

uint8_t	fread_buf [MEMORY_CHUNK_SIZE]
	Buffer for reading from the file.

Data Fields inherited from LoadFilter
std::shared_ptr< LoadFilter >	chain
	Chained to the (savegame) filters.

Detailed Description

Filter using Zlib compression.

Definition at line 2562 of file saveload.cpp.

Constructor & Destructor Documentation

◆ ZlibLoadFilter()

ZlibLoadFilter::ZlibLoadFilter ( std::shared_ptr< LoadFilter > chain )

inline

Initialise this filter.

Parameters

chain The next filter in this chain.

Definition at line 2570 of file saveload.cpp.

References SlError(), and z.

◆ ~ZlibLoadFilter()

ZlibLoadFilter::~ZlibLoadFilter ( )

inline

Clean everything up.

Definition at line 2576 of file saveload.cpp.

References z.

Member Function Documentation

◆ Read()

size_t ZlibLoadFilter::Read	(	uint8_t *	buf,
		size_t	len
	)

inlineoverridevirtual

Read a given number of bytes from the savegame.

Parameters

buf	The bytes to read.
len	The number of bytes to read.

Returns: The number of actually read bytes.

Implements LoadFilter.

Definition at line 2581 of file saveload.cpp.

References LoadFilter::chain, fread_buf, SlError(), and z.

Field Documentation

◆ fread_buf

uint8_t ZlibLoadFilter::fread_buf[MEMORY_CHUNK_SIZE]

Buffer for reading from the file.

Definition at line 2564 of file saveload.cpp.

Referenced by Read().

◆ z

z_stream ZlibLoadFilter::z {}

Stream state we are reading from.

Definition at line 2563 of file saveload.cpp.

Referenced by Read(), ZlibLoadFilter(), and ~ZlibLoadFilter().

The documentation for this struct was generated from the following file:

src/saveload/saveload.cpp

Public Member Functions

Data Fields