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/*
* bug_fix.c
*/
#include <stdio.h>
#include "oniguruma.h"
static OnigCaseFoldType CF = ONIGENC_CASE_FOLD_MIN;
static int
search(regex_t* reg, unsigned char* str, unsigned char* end)
{
int r;
unsigned char *start, *range;
OnigRegion *region;
region = onig_region_new();
start = str;
range = end;
r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
if (r >= 0) {
int i;
fprintf(stderr, "match at %d (%s)\n", r,
ONIGENC_NAME(onig_get_encoding(reg)));
for (i = 0; i < region->num_regs; i++) {
fprintf(stderr, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
}
}
else if (r == ONIG_MISMATCH) {
fprintf(stderr, "search fail (%s)\n",
ONIGENC_NAME(onig_get_encoding(reg)));
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
fprintf(stderr, "ERROR: %s\n", s);
fprintf(stderr, " (%s)\n", ONIGENC_NAME(onig_get_encoding(reg)));
return -1;
}
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
return 0;
}
static int
exec_deluxe(OnigEncoding pattern_enc, OnigEncoding str_enc,
OnigOptionType options, char* apattern, char* astr)
{
int r;
unsigned char *end;
regex_t* reg;
OnigCompileInfo ci;
OnigErrorInfo einfo;
UChar* pattern = (UChar* )apattern;
UChar* str = (UChar* )astr;
onig_initialize(&str_enc, 1);
ci.num_of_elements = 5;
ci.pattern_enc = pattern_enc;
ci.target_enc = str_enc;
ci.syntax = ONIG_SYNTAX_DEFAULT;
ci.option = options;
ci.case_fold_flag = CF;
r = onig_new_deluxe(®, pattern,
pattern + onigenc_str_bytelen_null(pattern_enc, pattern),
&ci, &einfo);
if (r != ONIG_NORMAL) {
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r, &einfo);
fprintf(stderr, "ERROR: %s\n", s);
return -1;
}
end = str + onigenc_str_bytelen_null(str_enc, str);
r = search(reg, str, end);
onig_free(reg);
onig_end();
return 0;
}
static int
exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
{
int r;
unsigned char *end;
regex_t* reg;
OnigErrorInfo einfo;
UChar* pattern = (UChar* )apattern;
UChar* str = (UChar* )astr;
onig_initialize(&enc, 1);
r = onig_new(®, pattern,
pattern + onigenc_str_bytelen_null(enc, pattern),
options, enc, ONIG_SYNTAX_DEFAULT, &einfo);
if (r != ONIG_NORMAL) {
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r, &einfo);
fprintf(stderr, "ERROR: %s\n", s);
return -1;
}
end = str + onigenc_str_bytelen_null(enc, str);
r = search(reg, str, end);
onig_free(reg);
onig_end();
return 0;
}
extern int main(int argc, char* argv[])
{
/* fix ignore case in look-behind
commit: 3340ec2cc5627172665303fe248c9793354d2251 */
exec_deluxe(ONIG_ENCODING_UTF8, ONIG_ENCODING_UTF8,
ONIG_OPTION_IGNORECASE,
"(?<=\305\211)a", "\312\274na"); /* \u{0149}a \u{02bc}na */
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, "(\\2)(\\1)", "aa"); /* fail. */
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_FIND_LONGEST,
"a*", "aa aaa aaaa aaaaa "); /* match 12-17 */
return 0;
}
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