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/*
* scan.c
*/
#include <stdio.h>
#include <stdlib.h>
#include "oniguruma.h"
static int
scan_callback(int n, int r, OnigRegion* region, void* arg)
{
int i;
fprintf(stdout, "scan: %d\n", n);
fprintf(stdout, "match at %d\n", r);
for (i = 0; i < region->num_regs; i++) {
fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
}
return 0;
}
static int
scan(regex_t* reg, OnigOptionType options, unsigned char* str, unsigned char* end)
{
int r;
OnigRegion *region;
region = onig_region_new();
r = onig_scan(reg, str, end, region, options, scan_callback, NULL);
if (r >= 0) {
fprintf(stdout, "total: %d match\n", r);
}
else { /* error */
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((OnigUChar* )s, r);
fprintf(stderr, "ERROR: %s\n", s);
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
return -1;
}
onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
return 0;
}
static int
exec(OnigEncoding enc, OnigOptionType options, OnigOptionType runtime_options, char* apattern, char* astr)
{
int r;
unsigned char *end;
regex_t* reg;
OnigErrorInfo einfo;
UChar* pattern_end;
UChar* pattern = (UChar* )apattern;
UChar* str = (UChar* )astr;
onig_initialize(&enc, 1);
pattern_end = pattern + onigenc_str_bytelen_null(enc, pattern);
r = onig_new(®, pattern, pattern_end, options, enc, ONIG_SYNTAX_DEFAULT, &einfo);
if (r != ONIG_NORMAL) {
char s[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str((OnigUChar* )s, r, &einfo);
fprintf(stderr, "ERROR: %s\n", s);
onig_end();
return -1;
}
end = str + onigenc_str_bytelen_null(enc, str);
r = scan(reg, runtime_options, str, end);
onig_free(reg);
onig_end();
return 0;
}
extern int main(int argc, char* argv[])
{
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, ONIG_OPTION_NONE,
"\\Ga+\\s*", "a aa aaa baaa");
fprintf(stdout, "\n");
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, ONIG_OPTION_NOT_BEGIN_POSITION,
"\\Ga+\\s*", "a aa aaa baaa");
fprintf(stdout, "\n");
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, ONIG_OPTION_NONE,
"(?!\\G)a+\\s*", "a aa aaa baaa");
fprintf(stdout, "\n");
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, ONIG_OPTION_NOT_BEGIN_POSITION,
"(?!\\G)a+\\s*", "a aa aaa baaa");
fprintf(stdout, "\n");
exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, ONIG_OPTION_NONE,
"a+\\s*", "a aa aaa baaa");
return 0;
}
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