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/**********************************************************************
regposix.c - Oniguruma (regular expression library)
Copyright (C) 2003 K.Kosako (kosako@sofnec.co.jp)
**********************************************************************/
#define regex_t onig_regex_t
#include "regint.h"
#undef regex_t
#include "onigposix.h"
#define ONIG_C(reg) ((onig_regex_t* )((reg)->onig))
#define PONIG_C(reg) ((onig_regex_t** )(&(reg)->onig))
#if 1
#define ENC_STRING_LEN(enc,s,len) do { \
UChar* tmps = (UChar* )(s); \
/* while (*tmps != 0) tmps += mblen(enc,*tmps); */ \
while (*tmps != 0) tmps++; /* OK for UTF-8, EUC-JP, Shift_JIS */ \
len = tmps - (UChar* )(s); \
} while(0)
#else
#define ENC_STRING_LEN(enc,s,len) len = strlen(s)
#endif
typedef struct {
int onig_err;
int posix_err;
} O2PERR;
static int
onig2posix_error_code(int code)
{
static O2PERR o2p[] = {
{ REG_MISMATCH, REG_NOMATCH },
{ REG_NO_SUPPORT_CONFIG, REG_EONIG_INTERNAL },
{ REGERR_MEMORY, REG_ESPACE },
{ REGERR_MATCH_STACK_LIMIT_OVER, REG_EONIG_INTERNAL },
{ REGERR_TYPE_BUG, REG_EONIG_INTERNAL },
{ REGERR_PARSER_BUG, REG_EONIG_INTERNAL },
{ REGERR_STACK_BUG, REG_EONIG_INTERNAL },
{ REGERR_UNDEFINED_BYTECODE, REG_EONIG_INTERNAL },
{ REGERR_UNEXPECTED_BYTECODE, REG_EONIG_INTERNAL },
{ REGERR_DEFAULT_ENCODING_IS_NOT_SETTED, REG_EONIG_BADARG },
{ REGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR, REG_EONIG_BADARG },
{ REGERR_END_PATTERN_AT_LEFT_BRACE, REG_EBRACE },
{ REGERR_END_PATTERN_AT_LEFT_BRACKET, REG_EBRACK },
{ REGERR_EMPTY_CHAR_CLASS, REG_ECTYPE },
{ REGERR_PREMATURE_END_OF_CHAR_CLASS, REG_ECTYPE },
{ REGERR_END_PATTERN_AT_BACKSLASH, REG_EESCAPE },
{ REGERR_END_PATTERN_AT_META, REG_EESCAPE },
{ REGERR_END_PATTERN_AT_CONTROL, REG_EESCAPE },
{ REGERR_META_CODE_SYNTAX, REG_BADPAT },
{ REGERR_CONTROL_CODE_SYNTAX, REG_BADPAT },
{ REGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE, REG_ECTYPE },
{ REGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE, REG_ECTYPE },
{ REGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS, REG_ECTYPE },
{ REGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED, REG_BADRPT },
{ REGERR_TARGET_OF_REPEAT_OPERATOR_INVALID, REG_BADRPT },
{ REGERR_NESTED_REPEAT_OPERATOR, REG_BADRPT },
{ REGERR_UNMATCHED_CLOSE_PARENTHESIS, REG_EPAREN },
{ REGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS, REG_EPAREN },
{ REGERR_END_PATTERN_IN_GROUP, REG_BADPAT },
{ REGERR_UNDEFINED_GROUP_OPTION, REG_BADPAT },
{ REGERR_INVALID_POSIX_BRACKET_TYPE, REG_BADPAT },
{ REGERR_INVALID_LOOK_BEHIND_PATTERN, REG_BADPAT },
{ REGERR_INVALID_REPEAT_RANGE_PATTERN, REG_BADPAT },
{ REGERR_TOO_BIG_NUMBER, REG_BADPAT },
{ REGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE, REG_BADBR },
{ REGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE, REG_BADBR },
{ REGERR_EMPTY_RANGE_IN_CHAR_CLASS, REG_ECTYPE },
{ REGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE, REG_ECTYPE },
{ REGERR_TOO_MANY_MULTI_BYTE_RANGES, REG_ECTYPE },
{ REGERR_TOO_SHORT_MULTI_BYTE_STRING, REG_BADPAT },
{ REGERR_TOO_BIG_BACKREF_NUMBER, REG_ESUBREG },
{ REGERR_INVALID_BACKREF, REG_ESUBREG },
{ REGERR_TOO_BIG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
{ REGERR_TOO_LONG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
{ REGERR_INVALID_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
{ REGERR_INVALID_SUBEXP_NAME, REG_BADPAT },
{ REGERR_UNDEFINED_NAME_REFERENCE, REG_BADPAT },
{ REGERR_UNDEFINED_GROUP_REFERENCE, REG_BADPAT },
{ REGERR_MULTIPLEX_DEFINITION_NAME_CALL, REG_BADPAT },
{ REGERR_NEVER_ENDING_RECURSION, REG_BADPAT },
{ REGERR_OVER_THREAD_PASS_LIMIT_COUNT, REG_EONIG_THREAD }
};
int i;
if (code >= 0) return 0;
for (i = 0; i < sizeof(o2p) / sizeof(o2p[0]); i++) {
if (code == o2p[i].onig_err)
return o2p[i].posix_err;
}
return REG_EONIG_INTERNAL; /* but, unknown error code */
}
extern int
regcomp(regex_t* reg, const char* pattern, int posix_options)
{
int r, len;
RegSyntaxType* syntax = RegDefaultSyntax;
RegOptionType options;
if ((posix_options & REG_EXTENDED) == 0)
syntax = REG_SYNTAX_POSIX_BASIC;
options = syntax->options;
if ((posix_options & REG_ICASE) != 0)
REG_OPTION_ON(options, REG_OPTION_IGNORECASE);
if ((posix_options & REG_NEWLINE) != 0) {
REG_OPTION_ON( options, REG_OPTION_NEGATE_SINGLELINE);
REG_OPTION_OFF(options, REG_OPTION_SINGLELINE);
}
reg->comp_options = posix_options;
ENC_STRING_LEN(RegDefaultCharEncoding, pattern, len);
r = regex_new(PONIG_C(reg), (UChar* )pattern, (UChar* )(pattern + len),
options, RegDefaultCharEncoding, syntax, (RegErrorInfo* )NULL);
if (r != REG_NORMAL) {
return onig2posix_error_code(r);
}
reg->re_nsub = ONIG_C(reg)->num_mem;
return 0;
}
extern int
regexec(regex_t* reg, const char* str, size_t nmatch,
regmatch_t pmatch[], int posix_options)
{
int r, i, len;
UChar* end;
RegOptionType options;
options = REG_OPTION_POSIX_REGION;
if ((posix_options & REG_NOTBOL) != 0) options |= REG_OPTION_NOTBOL;
if ((posix_options & REG_NOTEOL) != 0) options |= REG_OPTION_NOTEOL;
if ((reg->comp_options & REG_NOSUB) != 0) {
pmatch = (regmatch_t* )NULL;
nmatch = 0;
}
ENC_STRING_LEN(ONIG_C(reg)->code,str,len);
end = (UChar* )(str + len);
r = regex_search(ONIG_C(reg), (UChar* )str, end, (UChar* )str, end,
(RegRegion* )pmatch, options);
if (r >= 0) {
r = 0; /* Match */
}
else if (r == REG_MISMATCH) {
r = REG_NOMATCH;
for (i = 0; i < nmatch; i++)
pmatch[i].rm_so = pmatch[i].rm_eo = REG_REGION_NOTPOS;
}
else {
r = onig2posix_error_code(r);
}
return r;
}
extern void
regfree(regex_t* reg)
{
regex_free(ONIG_C(reg));
}
extern void
reg_set_encoding(int mb_code)
{
RegDefaultCharEncoding = REG_MBLEN_TABLE[mb_code];
}
extern int
reg_name_to_group_numbers(regex_t* reg,
unsigned char* name, unsigned char* name_end, int** nums)
{
return regex_name_to_group_numbers(ONIG_C(reg), name, name_end, nums);
}
extern int
reg_foreach_name(regex_t* reg, int (*func)(unsigned char*,int,int*,void*),
void* arg)
{
return regex_foreach_name(ONIG_C(reg), func, arg);
}
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