C++ (Cpp) mbc_enc_len示例

示例#1

文件： sjis.c 项目： TeXShop/TeXShop

static int
get_case_fold_codes_by_str(OnigCaseFoldType flag,
			   const OnigUChar* p, const OnigUChar* end,
			   OnigCaseFoldCodeItem items[])
{
  int len;
  OnigCodePoint code, code_lo, code_up;

  code = mbc_to_code(p, end);
  if (ONIGENC_IS_ASCII_CODE(code))
    return onigenc_ascii_get_case_fold_codes_by_str(flag, p, end, items);

  len = mbc_enc_len(p);
  code_lo = get_lower_case(code);
  code_up = get_upper_case(code);

  if (code != code_lo) {
    items[0].byte_len = len;
    items[0].code_len = 1;
    items[0].code[0] = code_lo;
    return 1;
  }
  else if (code != code_up) {
    items[0].byte_len = len;
    items[0].code_len = 1;
    items[0].code[0] = code_up;
    return 1;
  }

  return 0;
}

示例#2

文件： utf_8.c 项目： DashYang/sim

static OnigCodePoint
mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
{
  int c, len;
  OnigCodePoint n;

  len = mbc_enc_len(p, end, enc);
  c = *p++;
  if (len > 1) {
    len--;
    n = c & ((1 << (6 - len)) - 1);
    while (len--) {
      c = *p++;
      n = (n << 6) | (c & ((1 << 6) - 1));
    }
    return n;
  }
  else {
#ifdef USE_INVALID_CODE_SCHEME
    if (c > 0xfd) {
      return ((c == 0xfe) ? INVALID_CODE_FE : INVALID_CODE_FF);
    }
#endif
    return (OnigCodePoint )c;
  }
}

示例#3

文件： sjis.c 项目： TeXShop/TeXShop

static int
code_to_mbc(OnigCodePoint code, UChar *buf)
{
  UChar *p = buf;

  if ((code & 0xff00) != 0) *p++ = (UChar )(((code >>  8) & 0xff));
  *p++ = (UChar )(code & 0xff);

#if 0
  if (mbc_enc_len(buf) != (p - buf))
    return REGERR_INVALID_CODE_POINT_VALUE;
#endif
  return (int )(p - buf);
}

示例#4

文件： euc_jp.c 项目： DashYang/sim

static OnigCodePoint
mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
{
  int c, i, len;
  OnigCodePoint n;

  len = mbc_enc_len(p, end, enc);
  n = (OnigCodePoint )*p++;
  if (len == 1) return n;

  for (i = 1; i < len; i++) {
    if (p >= end) break;
    c = *p++;
    n <<= 8;  n += c;
  }
  return n;
}

示例#5

文件： shift_jis.c 项目： sho-h/ruby

static UChar*
left_adjust_char_head(const UChar* start, const UChar* s, const UChar* end, OnigEncoding enc)
{
  const UChar *p;
  int len;

  if (s <= start) return (UChar* )s;
  p = s;

  if (SJIS_ISMB_TRAIL(*p)) {
    while (p > start) {
      if (! SJIS_ISMB_FIRST(*--p)) {
	p++;
	break;
      }
    }
  }
  len = mbc_enc_len(p, end, enc);
  if (p + len > s) return (UChar* )p;
  p += len;
  return (UChar* )(p + ((s - p) & ~1));
}

示例#6

文件： emacs_mule.c 项目： kathleensulli/countries-gtf

static int
mbc_case_fold(OnigCaseFoldType flag,
              const UChar** pp, const UChar* end, UChar* lower,
              OnigEncoding enc)
{
    int len;
    const UChar* p = *pp;

    if (ONIGENC_IS_MBC_ASCII(p)) {
        *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
        (*pp)++;
        return 1;
    }
    else {
        int i;

        len = mbc_enc_len(p, end, enc);
        for (i = 0; i < len; i++) {
            *lower++ = *p++;
        }
        (*pp) += len;
        return len; /* return byte length of converted char to lower */
    }
}