mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-27 01:50:24 +00:00
67 lines
3.1 KiB
C
67 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2020, Emanuel Sprung <emanuel.sprung@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "bits/regex_defs.h"
|
|
#include <stddef.h>
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
typedef ssize_t regoff_t;
|
|
|
|
typedef struct {
|
|
void* __data;
|
|
// Number of capture groups, Dr.POSIX requires this.
|
|
size_t re_nsub;
|
|
} regex_t;
|
|
|
|
enum ReError {
|
|
REG_NOERR = __Regex_NoError,
|
|
REG_BADPAT = __Regex_InvalidPattern, // Invalid regular expression.
|
|
REG_ECOLLATE = __Regex_InvalidCollationElement, // Invalid collating element referenced.
|
|
REG_ECTYPE = __Regex_InvalidCharacterClass, // Invalid character class type referenced.
|
|
REG_EESCAPE = __Regex_InvalidTrailingEscape, // Trailing \ in pattern.
|
|
REG_ESUBREG = __Regex_InvalidNumber, // Number in \digit invalid or in error.
|
|
REG_EBRACK = __Regex_MismatchingBracket, // [ ] imbalance.
|
|
REG_EPAREN = __Regex_MismatchingParen, // \( \) or ( ) imbalance.
|
|
REG_EBRACE = __Regex_MismatchingBrace, // \{ \} imbalance.
|
|
REG_BADBR = __Regex_InvalidBraceContent, // Content of \{ \} invalid: not a number, number too large, more than two numbers, first larger than second.
|
|
REG_ERANGE = __Regex_InvalidRange, // Invalid endpoint in range expression.
|
|
REG_BADRPT = __Regex_InvalidRepetitionMarker, // ?, * or + not preceded by valid regular expression.
|
|
REG_EMPTY_EXPR = __Regex_EmptySubExpression, // Empty expression
|
|
REG_ENOSYS, // The implementation does not support the function.
|
|
REG_ESPACE, // Out of memory.
|
|
REG_NOMATCH, // regexec() failed to match.
|
|
};
|
|
|
|
typedef struct {
|
|
regoff_t rm_so; // byte offset from start of string to start of substring
|
|
regoff_t rm_eo; // byte offset from start of string of the first character after the end of substring
|
|
regoff_t rm_cnt; // number of matches
|
|
} regmatch_t;
|
|
|
|
// Values for the cflags parameter to the regcomp() function:
|
|
#define REG_EXTENDED __Regex_Extended // Use Extended Regular Expressions.
|
|
#define REG_ICASE __Regex_Insensitive // Ignore case in match.
|
|
#define REG_NOSUB __Regex_SkipSubExprResults // Report only success or fail in regexec().
|
|
#define REG_GLOBAL __Regex_Global // Don't stop searching for more match
|
|
#define REG_NEWLINE (__Regex_Multiline | REG_GLOBAL) // Change the handling of newline.
|
|
|
|
// Values for the eflags parameter to the regexec() function:
|
|
#define REG_NOTBOL __Regex_MatchNotBeginOfLine // The circumflex character (^), when taken as a special character, will not match the beginning of string.
|
|
#define REG_NOTEOL __Regex_MatchNotEndOfLine // The dollar sign ($), when taken as a special character, will not match the end of string.
|
|
|
|
#define REG_SEARCH __Regex_Last << 1
|
|
|
|
int regcomp(regex_t*, char const*, int);
|
|
int regexec(regex_t const*, char const*, size_t, regmatch_t[], int);
|
|
size_t regerror(int, regex_t const*, char*, size_t);
|
|
void regfree(regex_t*);
|
|
|
|
__END_DECLS
|