Parser for filter-specific options. More...

#include "private.h"

Data Structures
struct	name_id_map

struct	option_map

Enumerations
enum	{ OPT_DIST }

enum	{ OPT_START_OFFSET }

enum	{ OPT_PRESET, OPT_DICT, OPT_LC, OPT_LP, OPT_PB, OPT_MODE, OPT_NICE, OPT_MF, OPT_DEPTH }

Functions
static void	parse_options (const char str, const option_map opts, void(set)(void filter_options, unsigned key, uint64_t value, const char valuestr), void filter_options)

static void	set_delta (void options, unsigned key, uint64_t value, const char valuestr lzma_attribute((__unused__)))

lzma_options_delta *	options_delta (const char *str)
	Parser for Delta options. More...

static void	set_bcj (void options, unsigned key, uint64_t value, const char valuestr lzma_attribute((__unused__)))

lzma_options_bcj *	options_bcj (const char *str)
	Parser for BCJ options. More...

static void	lzma_attribute ((__noreturn__))

static void	set_lzma (void options, unsigned key, uint64_t value, const char valuestr)

lzma_options_lzma *	options_lzma (const char *str)
	Parser for LZMA options. More...

Detailed Description

Parser for filter-specific options.

Function Documentation

◆ parse_options()

static void parse_options	(	const char *	str,
		const option_map *	opts,
		void()(void filter_options, unsigned key, uint64_t value, const char *valuestr)	set,
		void *	filter_options
	)

static

Parses option=value pairs that are separated with commas: opt=val,opt=val,opt=val

Each option is a string, that is converted to an integer using the index where the option string is in the array.

Value can be

a string-id map mapping a list of possible string values to integers (opts[i].map != NULL, opts[i].min and opts[i].max are ignored);
a number with minimum and maximum value limit (opts[i].map == NULL && opts[i].min != UINT64_MAX);
a string that will be parsed by the filter-specific code (opts[i].map == NULL && opts[i].min == UINT64_MAX, opts[i].max ignored)

When parsing both option and value succeed, a filter-specific function is called, which should update the given value to filter-specific options structure.

Parameters

str	String containing the options from the command line
opts	Filter-specific option map
set	Filter-specific function to update filter_options
filter_options	Pointer to filter-specific options structure

Returns: Returns only if no errors occur.

References message_fatal(), and xstrdup().

◆ options_delta()

lzma_options_delta* options_delta ( const char * str )

Parser for Delta options.

Returns: Pointer to allocated options structure. Doesn't return on error.

◆ options_bcj()

lzma_options_bcj* options_bcj ( const char * str )

Parser for BCJ options.

Returns: Pointer to allocated options structure. Doesn't return on error.

◆ options_lzma()

lzma_options_lzma* options_lzma ( const char * str )

Parser for LZMA options.

Returns: Pointer to allocated options structure. Doesn't return on error.

References LZMA_MF_BT2, LZMA_MF_BT3, LZMA_MF_BT4, LZMA_MF_HC3, LZMA_MF_HC4, LZMA_MODE_FAST, and LZMA_MODE_NORMAL.

Data Structures