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/*
* names.c -- example of group name callback.
*/
#include <stdio.h>
#include <string.h>
#include "oniguruma.h"
static int
name_callback(const UChar* name, const UChar* name_end,
int ngroup_num, int* group_nums,
regex_t* reg, void* arg)
{
int i, gn, ref;
char* s;
OnigRegion *region = (OnigRegion* )arg;
for (i = 0; i < ngroup_num; i++) {
gn = group_nums[i];
ref = onig_name_to_backref_number(reg, name, name_end, region);
s = (ref == gn ? "*" : "");
fprintf(stderr, "%s (%d): ", name, gn);
fprintf(stderr, "(%d-%d) %s\n", region->beg[gn], region->end[gn], s);
}
return 0; /* 0: continue */
}
extern int main(int argc, char* argv[])
{
int r;
unsigned char *start, *range, *end;
regex_t* reg;
OnigErrorInfo einfo;
OnigRegion *region;
static UChar* pattern = (UChar* )"(?<foo>a*)(?<bar>b*)(?<foo>c*)";
static UChar* str = (UChar* )"aaabbbbcc";
OnigEncoding use_encs[] = { ONIG_ENCODING_ASCII };
onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
r = onig_new(®, pattern, pattern + strlen((char* )pattern),
ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, 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;
}
fprintf(stderr, "number of names: %d\n", onig_number_of_names(reg));
region = onig_region_new();
end = str + strlen((char* )str);
start = str;
range = end;
r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
if (r >= 0) {
fprintf(stderr, "match at %d\n\n", r);
r = onig_foreach_name(reg, name_callback, (void* )region);
}
else if (r == ONIG_MISMATCH) {
fprintf(stderr, "search fail\n");
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
return -1;
}
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
onig_free(reg);
onig_end();
return 0;
}
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