mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
224 lines
7.3 KiB
C
224 lines
7.3 KiB
C
/* Mapping tables for EUC-TW handling.
|
|
Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <dlfcn.h>
|
|
#include <stdint.h>
|
|
#include <cns11643l1.h>
|
|
#include <cns11643.h>
|
|
|
|
/* Definitions used in the body of the `gconv' function. */
|
|
#define CHARSET_NAME "EUC-TW//"
|
|
#define FROM_LOOP from_euc_tw
|
|
#define TO_LOOP to_euc_tw
|
|
#define DEFINE_INIT 1
|
|
#define DEFINE_FINI 1
|
|
#define MIN_NEEDED_FROM 1
|
|
#define MAX_NEEDED_FROM 4
|
|
#define MIN_NEEDED_TO 4
|
|
|
|
|
|
/* First define the conversion function from EUC-TW 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; \
|
|
\
|
|
if (ch <= 0x7f) \
|
|
/* Plain ASCII. */ \
|
|
++inptr; \
|
|
else if ((ch <= 0xa0 || ch > 0xfe) && ch != 0x8e) \
|
|
{ \
|
|
/* This is illegal. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
++inptr; \
|
|
++*irreversible; \
|
|
continue; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* Two or more byte character. First test whether the next byte \
|
|
is also available. */ \
|
|
uint32_t ch2; \
|
|
\
|
|
if (inptr + 1 >= inend) \
|
|
{ \
|
|
/* The second byte is not available. Store the intermediate \
|
|
result. */ \
|
|
result = __GCONV_INCOMPLETE_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
ch2 = *(inptr + 1); \
|
|
\
|
|
/* All second bytes of a multibyte character must be >= 0xa1. */ \
|
|
if (ch2 < 0xa1 || ch2 == 0xff) \
|
|
{ \
|
|
/* This is illegal. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
++inptr; \
|
|
++*irreversible; \
|
|
continue; \
|
|
} \
|
|
\
|
|
if (ch == 0x8e) \
|
|
{ \
|
|
/* This is code set 2: CNS 11643, planes 1 to 16. */ \
|
|
const char *endp = inptr + 1; \
|
|
\
|
|
ch = cns11643_to_ucs4 (&endp, inend - inptr - 1, 0x80); \
|
|
\
|
|
if (ch == 0) \
|
|
{ \
|
|
/* The third or fourth byte is not available. Store \
|
|
the intermediate result. */ \
|
|
result = __GCONV_INCOMPLETE_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
if (ch == __UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
/* Illegal input. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
++inptr; \
|
|
++*irreversible; \
|
|
continue; \
|
|
} \
|
|
\
|
|
inptr += 4; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* This is code set 1: CNS 11643, plane 1. */ \
|
|
const unsigned char *endp = inptr; \
|
|
\
|
|
ch = cns11643l1_to_ucs4 (&endp, inend - inptr, 0x80); \
|
|
/* Please note that we need not test for the missing input \
|
|
characters here anymore. */ \
|
|
if (ch == __UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
/* Illegal input. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
inptr += 2; \
|
|
++*irreversible; \
|
|
continue; \
|
|
} \
|
|
\
|
|
inptr += 2; \
|
|
} \
|
|
} \
|
|
\
|
|
put32 (outptr, ch); \
|
|
outptr += 4; \
|
|
}
|
|
#define LOOP_NEED_FLAGS
|
|
#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 = get32 (inptr); \
|
|
\
|
|
if (ch <= 0x7f) \
|
|
/* It's plain ASCII. */ \
|
|
*outptr++ = ch; \
|
|
else \
|
|
{ \
|
|
/* Try the CNS 11643 planes. */ \
|
|
size_t found; \
|
|
\
|
|
found = ucs4_to_cns11643l1 (ch, outptr, outend - outptr); \
|
|
if (__builtin_expect (found, 1) == 0) \
|
|
{ \
|
|
/* We ran out of space. */ \
|
|
result = __GCONV_INCOMPLETE_INPUT; \
|
|
break; \
|
|
} \
|
|
if (__builtin_expect (found, 1) != __UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
/* It's a CNS 11643, plane 1 character, adjust it for EUC-TW. */ \
|
|
*outptr++ += 0x80; \
|
|
*outptr++ += 0x80; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* No CNS 11643, plane 1 character. */ \
|
|
\
|
|
found = ucs4_to_cns11643 (ch, outptr + 1, outend - outptr - 1); \
|
|
if (__builtin_expect (found, 1) == 0) \
|
|
{ \
|
|
/* We ran out of space. */ \
|
|
result = __GCONV_INCOMPLETE_INPUT; \
|
|
break; \
|
|
} \
|
|
if (__builtin_expect (found, 0) == __UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
UNICODE_TAG_HANDLER (ch, 4); \
|
|
\
|
|
/* Illegal character. */ \
|
|
STANDARD_ERR_HANDLER (4); \
|
|
} \
|
|
\
|
|
/* It's a CNS 11643 character, adjust it for EUC-TW. */ \
|
|
*outptr++ = '\x8e'; \
|
|
*outptr++ += 0xa0; \
|
|
*outptr++ += 0x80; \
|
|
*outptr++ += 0x80; \
|
|
} \
|
|
} \
|
|
\
|
|
inptr += 4; \
|
|
}
|
|
#define LOOP_NEED_FLAGS
|
|
#include <iconv/loop.c>
|
|
|
|
|
|
/* Now define the toplevel functions. */
|
|
#include <iconv/skeleton.c>
|