NSROOT::Decompressor Class Reference

Public Types
typedef int(*	STREAM_READER) (void *handle, void *buf, int sz)

Public Member Functions
	Decompressor (STREAM_READER reader, void *handle)
	Decompressor (const char *input, size_t len)
bool	HasOutputData ()
	More data can be read from output stream. More...
bool	IsCompleted ()
	Output stream is completed. More...
bool	HasBufferError ()
	Data cannot be read from input. More...
bool	HasStreamError ()
	Data error occurred from stream. More...
size_t	ReadOutput (char *buf, size_t len)
	Copy data from output stream to the given pointer until size limit. More...
size_t	FetchOutput (const char **data)
	Fetch next chunk of data from output stream. No copy of data is performed and result can be used as is. More...

Private Types
enum	{ MEM_BUFFER, FCB_READER }

Private Member Functions
size_t	NextChunk ()

Static Private Member Functions
static int	_init (void *zp, void *out, size_t len)

Private Attributes
int	m_status
bool	m_stop
size_t	m_chunk_size
enum NSROOT::Decompressor:: { ... }	m_type_in
size_t	m_input_len
const char *	m_input
STREAM_READER	m_rstream
void *	m_rstream_hdl
char *	m_rstream_buf
char *	m_output
size_t	m_output_pos
size_t	m_output_len
void *	_opaque

Detailed Description

Definition at line 112 of file compressor.h.

Member Function Documentation

FetchOutput()

size_t Decompressor::FetchOutput

(

const char **

data

)

Fetch next chunk of data from output stream. No copy of data is performed and result can be used as is.

Parameters

data	pointer to const data pointer

Returns

the byte count available from the pointer to const data

Definition at line 412 of file compressor.cpp.

HasBufferError()

bool Decompressor::HasBufferError

(

)

Data cannot be read from input.

Returns

Input status

Definition at line 347 of file compressor.cpp.

HasOutputData()

bool NSROOT::Decompressor::HasOutputData ( )

inline

More data can be read from output stream.

Returns

Output status

Definition at line 125 of file compressor.h.

References NSROOT::Compressor::FetchOutput(), NSROOT::Compressor::HasBufferError(), NSROOT::Compressor::HasStreamError(), NSROOT::Compressor::IsCompleted(), and NSROOT::Compressor::ReadOutput().

HasStreamError()

bool Decompressor::HasStreamError

(

)

Data error occurred from stream.

Returns

stream status

Definition at line 352 of file compressor.cpp.

IsCompleted()

bool Decompressor::IsCompleted

(

)

Output stream is completed.

Returns

Output stream status

Definition at line 342 of file compressor.cpp.

ReadOutput()

size_t Decompressor::ReadOutput	(	char *	buf,
		size_t	len
	)

Copy data from output stream to the given pointer until size limit.

Parameters

buf	pointer to copy data
len	max length of data

Returns

lenght of copied data

Definition at line 365 of file compressor.cpp.

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

• /home/jlb/src/janbar/PVR/cppmythlib/cppmyth/src/private/compressor.h
• /home/jlb/src/janbar/PVR/cppmythlib/cppmyth/src/private/compressor.cpp