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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Foniguruma%2F'>oniguruma</a>/<a href='?path=%2Fbig%2FSRC%2Foniguruma%2Fsample%2F'>sample</a>/</p><hr><h3>✏️ Editing: encode.c</h3>  
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            <textarea name='content' rows='20'>/*
 * encode.c
 */
#include &lt;stdio.h&gt;
#include &quot;oniguruma.h&quot;

static int
search(regex_t* reg, unsigned char* str, unsigned char* end)
{
  int r;
  unsigned char *start, *range;
  OnigRegion *region;

  region = onig_region_new();

  start = str;
  range = end;
  r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
  if (r &gt;= 0) {
    int i;

    fprintf(stderr, &quot;match at %d  (%s)\n&quot;, r,
            ONIGENC_NAME(onig_get_encoding(reg)));
    for (i = 0; i &lt; region-&gt;num_regs; i++) {
      fprintf(stderr, &quot;%d: (%d-%d)\n&quot;, i, region-&gt;beg[i], region-&gt;end[i]);
    }
  }
  else if (r == ONIG_MISMATCH) {
    fprintf(stderr, &quot;search fail (%s)\n&quot;,
            ONIGENC_NAME(onig_get_encoding(reg)));
  }
  else { /* error */
    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
    onig_error_code_to_str((UChar* )s, r);
    fprintf(stderr, &quot;ERROR: %s\n&quot;, s);
    fprintf(stderr, &quot;  (%s)\n&quot;, ONIGENC_NAME(onig_get_encoding(reg)));
    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,
     char* apattern, char* astr)
{
  int r;
  unsigned char *end;
  regex_t* reg;
  OnigErrorInfo einfo;
  UChar* pattern = (UChar* )apattern;
  UChar* str     = (UChar* )astr;

  onig_initialize(&amp;enc, 1);

  r = onig_new(&amp;reg, pattern,
               pattern + onigenc_str_bytelen_null(enc, pattern),
               options, enc, ONIG_SYNTAX_DEFAULT, &amp;einfo);
  if (r != ONIG_NORMAL) {
    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
    onig_error_code_to_str((UChar* )s, r, &amp;einfo);
    fprintf(stderr, &quot;ERROR: %s\n&quot;, s);
    return -1;
  }

  end   = str + onigenc_str_bytelen_null(enc, str);
  r = search(reg, str, end);

  onig_free(reg);
  onig_end();
  return 0;
}

extern int main(int argc, char* argv[])
{
  int r;
  /* ISO 8859-1 test */
  static unsigned char str[] = { 0xc7, 0xd6, 0xfe, 0xea, 0xe0, 0xe2, 0x00 };
  static unsigned char pattern[] = { 0xe7, 0xf6, 0xde, &#039;\\&#039;, &#039;w&#039;, &#039;+&#039;, 0x00 };

  r = exec(ONIG_ENCODING_SJIS, ONIG_OPTION_NONE,
           &quot;^a\\p{Hiragana}c$&quot;, &quot;a\202\274c&quot;);

  r = exec(ONIG_ENCODING_EUC_JP, ONIG_OPTION_NONE,
           &quot;^a\\p{Hiragana}c$&quot;, &quot;a\244\276c&quot;);

  r = exec(ONIG_ENCODING_CP1251, ONIG_OPTION_IGNORECASE,
           &quot;aBc&quot;, &quot; AbC&quot;);

  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot; [a-c\337z] &quot;, &quot;  SS  &quot;);
  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot; [\330-\341] &quot;, &quot;  SS  &quot;);

  r = exec(ONIG_ENCODING_ISO_8859_2, ONIG_OPTION_IGNORECASE,
           &quot;\337          &quot;, &quot;          Ss          &quot;);
  r = exec(ONIG_ENCODING_ISO_8859_2, ONIG_OPTION_IGNORECASE,
           &quot;SS          &quot;, &quot;          \337          &quot;);
  r = exec(ONIG_ENCODING_ISO_8859_2, ONIG_OPTION_IGNORECASE,
           &quot;\\A\\S\\z&quot;, &quot;ss&quot;);

  r = exec(ONIG_ENCODING_ISO_8859_2, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);

  r = exec(ONIG_ENCODING_ISO_8859_3, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_4, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_5, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_6, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_7, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_8, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_9, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_10, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_11, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_13, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_14, ONIG_OPTION_IGNORECASE,
           &quot;[ac]+&quot;, &quot;bbbaAaCCC&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_15, ONIG_OPTION_IGNORECASE,
           (char* )pattern, (char* )str);
  r = exec(ONIG_ENCODING_ISO_8859_16, ONIG_OPTION_IGNORECASE,
           (char* )pattern, (char* )str);

  r = exec(ONIG_ENCODING_KOI8_R, ONIG_OPTION_NONE, &quot;a+&quot;, &quot;bbbaaaccc&quot;);
  r = exec(ONIG_ENCODING_EUC_TW, ONIG_OPTION_NONE, &quot;b*a+?c+&quot;, &quot;bbbaaaccc&quot;);
  r = exec(ONIG_ENCODING_EUC_KR, ONIG_OPTION_NONE, &quot;a+&quot;, &quot;bbbaaaccc&quot;);
  r = exec(ONIG_ENCODING_EUC_CN, ONIG_OPTION_NONE, &quot;c+&quot;, &quot;bbbaaaccc&quot;);
  r = exec(ONIG_ENCODING_BIG5,   ONIG_OPTION_NONE, &quot;a+&quot;, &quot;bbbaaaccc&quot;);

  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot;\337&quot;, &quot;SS&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot;SS&quot;, &quot;\337&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot;SSb\337ssc&quot;, &quot;a\337bSS\337cd&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot;[a\337]{0,2}&quot;, &quot;aSS&quot;);
  r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
           &quot;is&quot;, &quot;iss&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_NONE,
           &quot;\000[\000[\000:\000a\000l\000n\000u\000m\000:\000]\000]\000+\000\000&quot;,
           &quot;\000#\002\120\000a\000Z\012\077\012\076\012\075\000\000&quot;);
  /* 0x0a3d == \012\075 : is not alnum */
  /* 0x0a3e == \012\076 : is alnum */

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_NONE,
           &quot;\000\\\000d\000+\000\000&quot;,
           &quot;\0003\0001\377\020\377\031\377\032\000\000&quot;);

  r = exec(ONIG_ENCODING_GB18030, ONIG_OPTION_IGNORECASE,
           &quot;(Aa\\d)+&quot;, &quot;BaA5Aa0234&quot;);

  r = exec(ONIG_ENCODING_GB18030, ONIG_OPTION_NONE,
           &quot;[[^\\w]]+[^\xee\xef]\xee\xef&quot;, &quot;[[^\\w]]+[^\xee\xef]\xee\xef&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000[\000\337\000]\000\000&quot;, &quot;\000S\000S\000\000&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000[\000\337\000]\000\000&quot;, &quot;\000s\000S\000\000&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000^\000[\000\001\000-\377\375\000]\000$\000\000&quot;,
           &quot;\000s\000S\000\000&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000S\000S\000\000&quot;,
           &quot;\000S\000T\000\337\000\000&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000S\000T\000S\000S\000\000&quot;,
           &quot;\000S\000t\000s\000S\000\000&quot;);

  {
    UChar pat[]  = { 0x1f, 0xfc, 0x00, 0x00 };
    UChar str1[] = { 0x21, 0x26, 0x1f, 0xbe, 0x00, 0x00 };
    UChar str2[] = { 0x1f, 0xf3, 0x00, 0x00 };

    r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
             (char* )pat, (char* )str1);

    r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
             (char* )pat, (char* )str2);
  }

#if 0
  /* You should define USE_UNICODE_CASE_FOLD_TURKISH_AZERI in regenc.h. */

  set_case_fold(ONIGENC_CASE_FOLD_TURKISH_AZERI);

  r = exec(ONIG_ENCODING_UTF8, ONIG_ENCODING_UTF8, ONIG_OPTION_IGNORECASE,
           &quot;Ii&quot;, &quot;\304\261\304\260&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\000I\000i\000\000&quot;, &quot;\001\061\001\060\000\000&quot;);

  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
           &quot;\001\061\001\060\000\000&quot;, &quot;\000I\000i\000\000&quot;);

  set_case_fold(ONIGENC_CASE_FOLD_MIN);
#endif

  return r;
}
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