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/*
* echo.c
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "oniguruma.h"
static int
echo(OnigCalloutArgs* args, void* user_data)
{
int r;
OnigCalloutIn in;
OnigType type;
OnigValue val;
FILE* fp;
fp = stdout;
in = onig_get_callout_in_by_callout_args(args);
r = onig_get_arg_by_callout_args(args, 1, &type, &val);
if (r != ONIG_NORMAL) return r;
if (in == ONIG_CALLOUT_IN_PROGRESS) {
if (val.c == '<')
return ONIG_CALLOUT_SUCCESS;
}
else {
if (val.c != 'X' && val.c != '<')
return ONIG_CALLOUT_SUCCESS;
}
r = onig_get_arg_by_callout_args(args, 0, &type, &val);
if (r != ONIG_NORMAL) return r;
fprintf(fp, "%s %s\n",
(in == ONIG_CALLOUT_IN_PROGRESS ? "=>" : "<="),
val.s.start);
fflush(fp);
return ONIG_CALLOUT_SUCCESS;
}
static int
test(OnigEncoding enc, char* in_pattern, char* in_str)
{
int r;
unsigned char *start, *range, *end;
regex_t* reg;
OnigErrorInfo einfo;
OnigRegion *region;
UChar* pattern;
UChar* str;
pattern = (UChar* )in_pattern;
str = (UChar* )in_str;
r = onig_new(®, pattern, pattern + strlen((char* )pattern),
ONIG_OPTION_DEFAULT, 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, "COMPILE ERROR: %d: %s\n", r, s);
return -1;
}
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) {
int i;
fprintf(stderr, "match at %d\n", r);
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\n");
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((UChar* )s, r);
fprintf(stderr, "SEARCH ERROR: %d: %s\n", r, s);
}
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
onig_free(reg);
return r;
}
extern int main(int argc, char* argv[])
{
int r;
int id;
UChar* name;
OnigEncoding use_encs[1];
OnigType arg_types[4];
OnigValue opt_defaults[4];
OnigEncoding enc;
enc = ONIG_ENCODING_UTF8;
use_encs[0] = enc;
r = onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
if (r != ONIG_NORMAL) return -1;
name = (UChar* )"echo";
arg_types[0] = ONIG_TYPE_STRING;
arg_types[1] = ONIG_TYPE_CHAR;
opt_defaults[0].s.start = (UChar* )"echo";
opt_defaults[0].s.end = opt_defaults[0].s.start +
strlen((char* )opt_defaults[0].s.start);
opt_defaults[1].c = '>';
id = onig_set_callout_of_name(enc, ONIG_CALLOUT_TYPE_SINGLE,
name, name + strlen((char* )name),
ONIG_CALLOUT_IN_BOTH, echo, 0,
2, arg_types, 2, opt_defaults);
if (id < 0) {
fprintf(stderr, "ERROR: fail to set callout of name: %s\n", name);
return -1;
}
test(enc, "(?:(*echo{abc!!!})a|b)*", "abba");
test(enc, "(?:(*echo{xyz,X})a|b)*", "abba");
onig_end();
return 0;
}
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