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Diffstat (limited to 'iconvdata/euc-kr.c')
| -rw-r--r-- | iconvdata/euc-kr.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/iconvdata/euc-kr.c b/iconvdata/euc-kr.c new file mode 100644 index 0000000000..61046b392b --- /dev/null +++ b/iconvdata/euc-kr.c @@ -0,0 +1,151 @@ +/* Mapping tables for EUC-KR handling. + Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jungshik Shin <jshin@pantheon.yale.edu> + and Ulrich Drepper <drepper@cygnus.com>, 1998. + + The GNU C 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 C 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 C 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. */ + +#include <stdint.h> +#include <ksc5601.h> + + +static inline void +euckr_from_ucs4 (uint32_t ch, unsigned char *cp) +{ + if (ch > 0x7f) + { + if (ucs4_to_ksc5601 (ch, cp, 2) != UNKNOWN_10646_CHAR) + { + cp[0] |= 0x80; + cp[1] |= 0x80; + } + } + /* XXX Think about 0x5c ; '\'. */ + else + { + cp[0] = (unsigned char) ch; + cp[1] = '\0'; + } +} + + +/* Definitions used in the body of the `gconv' function. */ +#define CHARSET_NAME "EUC-KR//" +#define FROM_LOOP from_euc_kr +#define TO_LOOP to_euc_kr +#define DEFINE_INIT 1 +#define DEFINE_FINI 1 +#define MIN_NEEDED_FROM 1 +#define MAX_NEEDED_FROM 2 +#define MIN_NEEDED_TO 4 + + +/* First define the conversion function from EUC-KR to UCS4. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT FROM_LOOP +#define BODY \ + { \ + uint32_t ch = *inptr; \ + \ + /* Half-width Korean Currency WON sign \ + \ + if (inchar == 0x5c) \ + ch = 0x20a9; \ + else if (inchar <= 0x7f) \ + ch = (uint32_t) inchar; \ + */ \ + \ + if (ch <= 0x7f) \ + /* Plain ASCII. */ \ + ++inptr; \ + /* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are \ + user-defined areas. */ \ + else if (ch <= 0xa0 || ch > 0xfe || ch == 0xc9) \ + { \ + /* This is illegal. */ \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + else \ + { \ + /* Two-byte character. First test whether the next character \ + is also available. */ \ + ch = ksc5601_to_ucs4 (&inptr, \ + NEED_LENGTH_TEST ? inptr - inend : 2, 0x80); \ + if (NEED_LENGTH_TEST && ch == 0) \ + { \ + /* The second character is not available. */ \ + result = GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + if (ch == UNKNOWN_10646_CHAR) \ + { \ + /* This is an illegal character. */ \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + } \ + \ + *((uint32_t *) outptr)++ = ch; \ + } +#include <iconv/loop.c> + + +/* Next, define the other direction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT TO_LOOP +#define BODY \ + { \ + uint32_t ch = *((uint32_t *) inptr); \ + unsigned char cp[2]; \ + \ + /* Decomposing Hangul syllables not available in KS C 5601 into \ + Jamos should be considered either here or in euckr_from_ucs4() */ \ + euckr_from_ucs4 (ch, cp) ; \ + \ + if (cp[0] == '\0' && ch != 0) \ + { \ + /* Illegal character. */ \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + *outptr++ = cp[0]; \ + /* Now test for a possible second byte and write this if possible. */ \ + if (cp[1] != '\0') \ + { \ + if (NEED_LENGTH_TEST && outptr >= outend) \ + { \ + /* The result does not fit into the buffer. */ \ + --outptr; \ + result = GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = cp[1]; \ + } \ + \ + inptr += 4; \ + } +#include <iconv/loop.c> + + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> |