strfilter.c File Reference

#include "util.h"
#include "string2.h"
#include "strfilter.h"
#include <errno.h>
#include "sane_ctype.h"

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Macros
#define	is_operator(c)   ((c) == '|' || (c) == '&' || (c) == '!')
#define	is_separator(c)   (is_operator(c) || (c) == '(' || (c) == ')')

Functions
static void	strfilter_node__delete (struct strfilter_node *node)
void	strfilter__delete (struct strfilter *filter)
static const char *	get_token (const char *s, const char **e)
static struct strfilter_node *	strfilter_node__alloc (const char *op, struct strfilter_node *l, struct strfilter_node *r)
static struct strfilter_node *	strfilter_node__new (const char *s, const char **ep)
struct strfilter *	strfilter__new (const char *rules, const char **err)
static int	strfilter__append (struct strfilter *filter, bool _or, const char *rules, const char **err)
int	strfilter__or (struct strfilter *filter, const char *rules, const char **err)
int	strfilter__and (struct strfilter *filter, const char *rules, const char **err)
static bool	strfilter_node__compare (struct strfilter_node *node, const char *str)
bool	strfilter__compare (struct strfilter *filter, const char *str)
static int	strfilter_node__sprint (struct strfilter_node *node, char *buf)
static int	strfilter_node__sprint_pt (struct strfilter_node *node, char *buf)
char *	strfilter__string (struct strfilter *filter)

Variables
static const char *	OP_and = "&"
static const char *	OP_or = "|"
static const char *	OP_not = "!"

Macro Definition Documentation

is_operator

#define is_operator

(

c

)

((c) == '|' || (c) == '&' || (c) == '!')

Definition at line 14 of file strfilter.c.

is_separator

#define is_separator

(

c

)

(is_operator(c) || (c) == '(' || (c) == ')')

Definition at line 15 of file strfilter.c.

Function Documentation

get_token()

static const char* get_token ( const char *  s, const char **  e  )

static

Definition at line 36 of file strfilter.c.

strfilter__and()

int strfilter__and	(	struct strfilter *	filter,
		const char *	rules,
		const char **	err
	)

strfilter__add - Append an additional rule by logical-and : Original string filter : Filter rule to be appended at left of the root of by using logical-and. : Pointer which points an error detected on

Parse and join it to the by using logical-and. Return 0 if success, or return the error code.

Definition at line 211 of file strfilter.c.

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strfilter__append()

static int strfilter__append ( struct strfilter *  filter, bool  _or, const char *  rules, const char **  err  )

static

Definition at line 177 of file strfilter.c.

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strfilter__compare()

bool strfilter__compare	(	struct strfilter *	filter,
		const char *	str
	)

strfilter__compare - compare given string and a string filter : String filter : target string

Compare and . Return true if the str match the rule

Definition at line 238 of file strfilter.c.

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strfilter__delete()

void strfilter__delete

(

struct strfilter *

filter

)

strfilter__delete - delete a string filter : String filter to delete

Delete .

Definition at line 28 of file strfilter.c.

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strfilter__new()

struct strfilter* strfilter__new	(	const char *	rules,
		const char **	err
	)

strfilter__new - Create a new string filter : Filter rule, which is a combination of glob expressions. : Pointer which points an error detected on

Parse and return new strfilter. Return NULL if an error detected. In that case, * will indicate where it is detected, and * is NULL if a memory allocation is failed.

Definition at line 159 of file strfilter.c.

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strfilter__or()

int strfilter__or	(	struct strfilter *	filter,
		const char *	rules,
		const char **	err
	)

strfilter__or - Append an additional rule by logical-or : Original string filter : Filter rule to be appended at left of the root of by using logical-or. : Pointer which points an error detected on

Parse and join it to the by using logical-or. Return 0 if success, or return the error code.

Definition at line 206 of file strfilter.c.

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strfilter__string()

char* strfilter__string

(

struct strfilter *

filter

)

strfilter__string - Reconstruct a rule string from filter : String filter to reconstruct

Reconstruct a rule string from . This will be good for debug messages. Note that returning string must be freed afterward.

Definition at line 297 of file strfilter.c.

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strfilter_node__alloc()

static struct strfilter_node* strfilter_node__alloc ( const char *  op, struct strfilter_node *  l, struct strfilter_node *  r  )

static

Definition at line 65 of file strfilter.c.

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strfilter_node__compare()

static bool strfilter_node__compare ( struct strfilter_node *  node, const char *  str  )

static

Definition at line 217 of file strfilter.c.

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strfilter_node__delete()

static void strfilter_node__delete ( struct strfilter_node *  node )

static

Definition at line 17 of file strfilter.c.

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strfilter_node__new()

static struct strfilter_node* strfilter_node__new ( const char *  s, const char **  ep  )

static

Definition at line 80 of file strfilter.c.

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strfilter_node__sprint()

static int strfilter_node__sprint ( struct strfilter_node *  node, char *  buf  )

static

Definition at line 263 of file strfilter.c.

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strfilter_node__sprint_pt()

static int strfilter_node__sprint_pt ( struct strfilter_node *  node, char *  buf  )

static

Definition at line 248 of file strfilter.c.

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Variable Documentation

OP_and

const char* OP_and = "&"

static

Definition at line 10 of file strfilter.c.

OP_not

const char* OP_not = "!"

static

Definition at line 12 of file strfilter.c.

OP_or

const char* OP_or = "|"

static

Definition at line 11 of file strfilter.c.