Gecko [ www.jdcpatala.org ]

Name	Size	Permission
bug_fix.c	2.3 KB	-rw-r--r--
callout.c	7.57 KB	-rw-r--r--
count.c	3.35 KB	-rw-r--r--
crnl.c	3.56 KB	-rw-r--r--
echo.c	3.18 KB	-rw-r--r--
encode.c	7.03 KB	-rw-r--r--
listcap.c	2.85 KB	-rw-r--r--
names.c	2.11 KB	-rw-r--r--
posix.c	2.52 KB	-rw-r--r--
regset.c	2.21 KB	-rw-r--r--
scan.c	1.94 KB	-rw-r--r--
simple.c	1.58 KB	-rw-r--r--
sql.c	2.44 KB	-rw-r--r--
syntax.c	1.99 KB	-rw-r--r--
user_property.c	2.41 KB	-rw-r--r--

Code Editor : listcap.c

/*
 * listcap.c
 *
 * capture history (?@...) sample.
 */
#include <stdio.h>
#include <string.h>
#include "oniguruma.h"

static int
node_callback(int group, int beg, int end, int level, int at, void* arg)
{
  int i;

if (at != ONIG_TRAVERSE_CALLBACK_AT_FIRST)
    return -1; /* error */

/* indent */
  for (i = 0; i < level * 2; i++)
    fputc(' ', stderr);

fprintf(stderr, "%d: (%d-%d)\n", group, beg, end);
  return 0;
}

extern int ex(unsigned char* str, unsigned char* pattern,
              OnigSyntaxType* syntax)
{
  int r;
  unsigned char *start, *range, *end;
  regex_t* reg;
  OnigErrorInfo einfo;
  OnigRegion *region;

r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
               ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, syntax, &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 captures: %d\n", onig_number_of_captures(reg));
  fprintf(stderr, "number of capture histories: %d\n",
          onig_number_of_capture_histories(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) {
    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]);
    }
    fprintf(stderr, "\n");

r = onig_capture_tree_traverse(region, ONIG_TRAVERSE_CALLBACK_AT_FIRST,
                                   node_callback, (void* )0);
  }
  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);
    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
    onig_free(reg);
    return -1;
  }

onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
  onig_free(reg);
  return 0;
}

extern int main(int argc, char* argv[])
{
  int r;
  OnigSyntaxType syn;

static UChar* str1 = (UChar* )"((())())";
  static UChar* pattern1
    = (UChar* )"\\g<p>(?@<p>\\(\\g<s>\\)){0}(?@<s>(?:\\g<p>)*|){0}";

static UChar* str2     = (UChar* )"x00x00x00";
  static UChar* pattern2 = (UChar* )"(?@x(?@\\d+))+";

static UChar* str3     = (UChar* )"0123";
  static UChar* pattern3 = (UChar* )"(?@.)(?@.)(?@.)(?@.)";

OnigEncoding use_encs[] = { ONIG_ENCODING_ASCII };
  onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));

/* enable capture hostory */
  onig_copy_syntax(&syn, ONIG_SYNTAX_DEFAULT);
  onig_set_syntax_op2(&syn,
       onig_get_syntax_op2(&syn) | ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY);

r = ex(str1, pattern1, &syn);
  r = ex(str2, pattern2, &syn);
  r = ex(str3, pattern3, &syn);

onig_end();
  return r;
}

${this.title}

Code Editor : listcap.c