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/*
* callback_each_match.c
*/
#include <stdio.h>
#include <string.h>
#include "oniguruma.h"
static int
each_match_callback(const UChar* str, const UChar* end,
const UChar* match_start, OnigRegion* region, void* user_data)
{
#if 1
fprintf(stdout, "each_match_callback:\n");
fprintf(stdout, " match at: %ld - %d: %p\n", match_start - str, region->end[0],
user_data);
fprintf(stdout, " region[0]: %d - %d\n", region->beg[0], region->end[0]);
#else
int i;
i = region->beg[0];
fputc('<', stdout);
while (i < region->end[0]) {
fputc((int )str[i], stdout);
i++;
}
fputc('>', stdout);
#endif
#if 0
/* terminate match/search if returns error code < 0 */
return ONIG_ABORT;
#endif
return ONIG_NORMAL;
}
static int
search(UChar* pattern, UChar* str, OnigOptionType options, OnigOptionType runtime_options)
{
int r;
unsigned char *start, *range, *end;
regex_t* reg;
OnigErrorInfo einfo;
OnigRegion *region;
OnigMatchParam* mp;
void* user_data;
r = onig_new(®, pattern, pattern + strlen((char* )pattern),
options, 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;
}
region = onig_region_new();
end = str + strlen((char* )str);
start = str;
range = end;
mp = onig_new_match_param();
if (mp == 0) return -2;
user_data = (void* )0x1234;
onig_set_callout_user_data_of_match_param(mp, user_data);
r = onig_search_with_param(reg, str, end, start, range, region,
runtime_options, mp);
onig_free_match_param(mp);
if (r >= 0) {
/* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with
ONIG_OPTION_FIND_LONGEST, it may also return positive value. */
fprintf(stdout, "\nr: %d\n", r);
}
else if (r == ONIG_MISMATCH) {
/* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */
fprintf(stdout, "\n");
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
fprintf(stderr, "ERROR: %s\n", s);
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
onig_free(reg);
onig_end();
return -1;
}
return 0;
}
static int
match(UChar* pattern, UChar* str, UChar* at, OnigOptionType options, OnigOptionType runtime_options)
{
int r;
unsigned char *end;
regex_t* reg;
OnigErrorInfo einfo;
OnigRegion *region;
OnigMatchParam* mp;
void* user_data;
r = onig_new(®, pattern, pattern + strlen((char* )pattern),
options, 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;
}
region = onig_region_new();
end = str + strlen((char* )str);
mp = onig_new_match_param();
if (mp == 0) return -2;
user_data = (void* )0x1234;
onig_set_callout_user_data_of_match_param(mp, user_data);
r = onig_match_with_param(reg, str, end, at, region, runtime_options, mp);
onig_free_match_param(mp);
if (r >= 0) {
/* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with
ONIG_OPTION_FIND_LONGEST, it may also return positive value. */
fprintf(stdout, "\nr: %d\n", r);
}
else if (r == ONIG_MISMATCH) {
/* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */
fprintf(stdout, "\n");
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
fprintf(stderr, "ERROR: %s\n", s);
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
onig_free(reg);
onig_end();
return -1;
}
return 0;
}
extern int main(int argc, char* argv[])
{
OnigEncoding use_encs[1];
static UChar* pattern = (UChar* )"a(.*)\\Kb|[e-f]+";
static UChar* str = (UChar* )"zzzzafffb";
use_encs[0] = ONIG_ENCODING_ASCII;
onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
onig_set_callback_each_match(each_match_callback);
fprintf(stdout, "<search>\n");
search(pattern, str, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH);
fprintf(stdout, "<search with FIND_LONGEST>\n");
search(pattern, str, ONIG_OPTION_FIND_LONGEST, ONIG_OPTION_CALLBACK_EACH_MATCH);
fprintf(stdout, "<match>\n");
match(pattern, str, str + 5, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH);
onig_end();
return 0;
}
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