diff options
| author | pixel <pixel> | 2006-01-31 17:02:38 +0000 | 
|---|---|---|
| committer | pixel <pixel> | 2006-01-31 17:02:38 +0000 | 
| commit | 6daac4eb3604736e20e8af5733f698eb144f0c2a (patch) | |
| tree | 7a684f120b20e0aae0ecbedcaad480cdae581200 /MSVC/iconv/dec_hanyu.h | |
| parent | 6634b5d65d21b826830d7601178453a0a3084e8d (diff) | |
Way too much changes - all over.
Diffstat (limited to 'MSVC/iconv/dec_hanyu.h')
| -rw-r--r-- | MSVC/iconv/dec_hanyu.h | 113 | 
1 files changed, 113 insertions, 0 deletions
diff --git a/MSVC/iconv/dec_hanyu.h b/MSVC/iconv/dec_hanyu.h new file mode 100644 index 0000000..02cc4d8 --- /dev/null +++ b/MSVC/iconv/dec_hanyu.h @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2001 Free Software Foundation, Inc. + * This file is part of the GNU LIBICONV Library. + * + * The GNU LIBICONV Library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * The GNU LIBICONV Library is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * DEC-HANYU + */ + +static int +dec_hanyu_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ +  unsigned char c = *s; +  /* Code set 0 (ASCII) */ +  if (c < 0x80) +    return ascii_mbtowc(conv,pwc,s,n); +  /* Code set 1 (CNS 11643-1992 Plane 1), +     Code set 2 (CNS 11643-1992 Plane 2), +     Code set 3 (CNS 11643-1992 Plane 3) */ +  if (c >= 0xa1 && c < 0xff) { +    if (n < 2) +      return RET_TOOFEW(0); +    { +      unsigned char c2 = s[1]; +      if (c == 0xc2 && c2 == 0xcb) { +        if (n < 4) +          return RET_TOOFEW(0); +        if (s[2] >= 0xa1 && s[2] < 0xff && s[3] >= 0xa1 && s[3] < 0xff) { +          unsigned char buf[2]; +          int ret; +          buf[0] = s[2]-0x80; buf[1] = s[3]-0x80; +          ret = cns11643_3_mbtowc(conv,pwc,buf,2); +          if (ret != RET_ILSEQ) { +            if (ret != 2) abort(); +            return 4; +          } +        } +      } else if (c2 >= 0xa1 && c2 < 0xff) { +        unsigned char buf[2]; +        buf[0] = c-0x80; buf[1] = c2-0x80; +        return cns11643_1_mbtowc(conv,pwc,buf,2); +      } else if (c2 >= 0x21 && c2 < 0x7f) { +        unsigned char buf[2]; +        buf[0] = c-0x80; buf[1] = c2; +        return cns11643_2_mbtowc(conv,pwc,buf,2); +      } +    } +  } +  return RET_ILSEQ; +} + +static int +dec_hanyu_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ +  unsigned char buf[3]; +  int ret; + +  /* Code set 0 (ASCII) */ +  ret = ascii_wctomb(conv,r,wc,n); +  if (ret != RET_ILUNI) +    return ret; + +  ret = cns11643_wctomb(conv,buf,wc,3); +  if (ret != RET_ILUNI) { +    if (ret != 3) abort(); + +    /* Code set 1 (CNS 11643-1992 Plane 1) */ +    if (buf[0] == 1) { +      if (n < 2) +        return RET_TOOSMALL; +      r[0] = buf[1]+0x80; +      r[1] = buf[2]+0x80; +      return 2; +    } + +    /* Code set 2 (CNS 11643-1992 Plane 2) */ +    if (buf[0] == 2) { +      if (n < 2) +        return RET_TOOSMALL; +      r[0] = buf[1]+0x80; +      r[1] = buf[2]; +      return 2; +    } + +    /* Code set 3 (CNS 11643-1992 Plane 3) */ +    if (buf[0] == 3) { +      if (n < 4) +        return RET_TOOSMALL; +      r[0] = 0xc2; +      r[1] = 0xcb; +      r[2] = buf[1]+0x80; +      r[3] = buf[2]+0x80; +      return 4; +    } +  } + +  return RET_ILUNI; +}  | 
