154 lines
4.8 KiB
C
154 lines
4.8 KiB
C
/* Mapping tables for EUC-KR handling.
|
|
Copyright (C) 1998, 1999 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;
|
|
}
|
|
else
|
|
cp[0] = '\0';
|
|
}
|
|
/* 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>
|