diff options
Diffstat (limited to 'MSVC/iconv/euc_jp.h')
| -rw-r--r-- | MSVC/iconv/euc_jp.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/MSVC/iconv/euc_jp.h b/MSVC/iconv/euc_jp.h new file mode 100644 index 0000000..f8c0875 --- /dev/null +++ b/MSVC/iconv/euc_jp.h @@ -0,0 +1,191 @@ +/* + * Copyright (C) 1999-2001 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. + */ + +/* + * EUC-JP + */ + +static int +euc_jp_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c = *s; + /* Code set 0 (ASCII or JIS X 0201-1976 Roman) */ + if (c < 0x80) + return ascii_mbtowc(conv,pwc,s,n); + /* Code set 1 (JIS X 0208) */ + if (c >= 0xa1 && c < 0xff) { + if (n < 2) + return RET_TOOFEW(0); + if (c < 0xf5) { + unsigned char c2 = s[1]; + if (c2 >= 0xa1 && c2 < 0xff) { + unsigned char buf[2]; + buf[0] = c-0x80; buf[1] = c2-0x80; + return jisx0208_mbtowc(conv,pwc,buf,2); + } else + return RET_ILSEQ; + } else { + /* User-defined range. See + * Ken Lunde's "CJKV Information Processing", table 4-66, p. 206. */ + unsigned char c2 = s[1]; + if (c2 >= 0xa1 && c2 < 0xff) { + *pwc = 0xe000 + 94*(c-0xf5) + (c2-0xa1); + return 2; + } else + return RET_ILSEQ; + } + } + /* Code set 2 (half-width katakana) */ + if (c == 0x8e) { + if (n < 2) + return RET_TOOFEW(0); + { + unsigned char c2 = s[1]; + if (c2 >= 0xa1 && c2 < 0xe0) { + int ret = jisx0201_mbtowc(conv,pwc,s+1,n-1); + if (ret == RET_ILSEQ) + return RET_ILSEQ; + if (ret != 1) abort(); + return 2; + } else + return RET_ILSEQ; + } + } + /* Code set 3 (JIS X 0212-1990) */ + if (c == 0x8f) { + if (n < 2) + return RET_TOOFEW(0); + { + unsigned char c2 = s[1]; + if (c2 >= 0xa1 && c2 < 0xff) { + if (n < 3) + return RET_TOOFEW(0); + if (c2 < 0xf5) { + unsigned char c3 = s[2]; + if (c3 >= 0xa1 && c3 < 0xff) { + unsigned char buf[2]; + int ret; + buf[0] = c2-0x80; buf[1] = c3-0x80; + ret = jisx0212_mbtowc(conv,pwc,buf,2); + if (ret == RET_ILSEQ) + return RET_ILSEQ; + if (ret != 2) abort(); + return 3; + } else + return RET_ILSEQ; + } else { + /* User-defined range. See + * Ken Lunde's "CJKV Information Processing", table 4-66, p. 206. */ + unsigned char c3 = s[2]; + if (c3 >= 0xa1 && c3 < 0xff) { + *pwc = 0xe3ac + 94*(c2-0xf5) + (c3-0xa1); + return 3; + } else + return RET_ILSEQ; + } + } else + return RET_ILSEQ; + } + } + return RET_ILSEQ; +} + +static int +euc_jp_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + unsigned char buf[2]; + int ret; + + /* Code set 0 (ASCII or JIS X 0201-1976 Roman) */ + ret = ascii_wctomb(conv,r,wc,n); + if (ret != RET_ILUNI) + return ret; + + /* Code set 1 (JIS X 0208) */ + ret = jisx0208_wctomb(conv,buf,wc,2); + if (ret != RET_ILUNI) { + if (ret != 2) abort(); + if (n < 2) + return RET_TOOSMALL; + r[0] = buf[0]+0x80; + r[1] = buf[1]+0x80; + return 2; + } + + /* Code set 2 (half-width katakana) */ + ret = jisx0201_wctomb(conv,buf,wc,1); + if (ret != RET_ILUNI && buf[0] >= 0x80) { + if (ret != 1) abort(); + if (n < 2) + return RET_TOOSMALL; + r[0] = 0x8e; + r[1] = buf[0]; + return 2; + } + + /* Code set 3 (JIS X 0212-1990) */ + ret = jisx0212_wctomb(conv,buf,wc,2); + if (ret != RET_ILUNI) { + if (ret != 2) abort(); + if (n < 3) + return RET_TOOSMALL; + r[0] = 0x8f; + r[1] = buf[0]+0x80; + r[2] = buf[1]+0x80; + return 3; + } + + /* Extra compatibility with Shift_JIS. */ + if (wc == 0x00a5) { + r[0] = 0x5c; + return 1; + } + if (wc == 0x203e) { + r[0] = 0x7e; + return 1; + } + + /* User-defined range. See + * Ken Lunde's "CJKV Information Processing", table 4-66, p. 206. */ + if (wc >= 0xe000 && wc < 0xe758) { + if (wc < 0xe3ac) { + unsigned char c1, c2; + if (n < 2) + return RET_TOOSMALL; + c1 = (unsigned int) (wc - 0xe000) / 94; + c2 = (unsigned int) (wc - 0xe000) % 94; + r[0] = c1+0xf5; + r[1] = c2+0xa1; + return 2; + } else { + unsigned char c1, c2; + if (n < 2) + return RET_TOOSMALL; + c1 = (unsigned int) (wc - 0xe3ac) / 94; + c2 = (unsigned int) (wc - 0xe3ac) % 94; + r[0] = 0x8f; + r[1] = c1+0xf5; + r[2] = c2+0xa1; + return 3; + } + } + + return RET_ILUNI; +} |