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Diffstat (limited to 'REORG.TODO/iconvdata/euc-jp.c')
| -rw-r--r-- | REORG.TODO/iconvdata/euc-jp.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/REORG.TODO/iconvdata/euc-jp.c b/REORG.TODO/iconvdata/euc-jp.c new file mode 100644 index 0000000000..a49d0afef7 --- /dev/null +++ b/REORG.TODO/iconvdata/euc-jp.c @@ -0,0 +1,216 @@ +/* Mapping tables for EUC-JP handling. + Copyright (C) 1998-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> +#include <gconv.h> +#include <jis0201.h> +#include <jis0208.h> +#include <jis0212.h> + +/* Definitions used in the body of the `gconv' function. */ +#define CHARSET_NAME "EUC-JP//" +#define FROM_LOOP from_euc_jp +#define TO_LOOP to_euc_jp +#define DEFINE_INIT 1 +#define DEFINE_FINI 1 +#define MIN_NEEDED_FROM 1 +#define MAX_NEEDED_FROM 3 +#define MIN_NEEDED_TO 4 +#define ONE_DIRECTION 0 + + +/* First define the conversion function from EUC-JP 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 < 0x8e || (ch >= 0x90 && ch <= 0x9f)) \ + ++inptr; \ + else if (ch == 0xff) \ + { \ + /* This is illegal. */ \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + } \ + else \ + { \ + /* Two or more byte character. First test whether the next \ + byte is also available. */ \ + int ch2; \ + \ + if (__glibc_unlikely (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 (__glibc_unlikely (ch2 < 0xa1)) \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + \ + if (ch == 0x8e) \ + { \ + /* This is code set 2: half-width katakana. */ \ + ch = jisx0201_to_ucs4 (ch2); \ + if (__builtin_expect (ch, 0) == __UNKNOWN_10646_CHAR) \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + \ + inptr += 2; \ + } \ + else \ + { \ + const unsigned char *endp; \ + \ + if (ch == 0x8f) \ + { \ + /* This is code set 3: JIS X 0212-1990. */ \ + endp = inptr + 1; \ + \ + ch = jisx0212_to_ucs4 (&endp, inend - endp, 0x80); \ + } \ + else \ + { \ + /* This is code set 1: JIS X 0208. */ \ + endp = inptr; \ + \ + ch = jisx0208_to_ucs4 (&endp, inend - inptr, 0x80); \ + } \ + \ + if (__builtin_expect (ch, 1) == 0) \ + { \ + /* Not enough input available. */ \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ + /* Illegal character. */ \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + \ + inptr = endp; \ + } \ + } \ + \ + put32 (outptr, ch); \ + outptr += 4; \ + } +#define ONEBYTE_BODY \ + { \ + if (c < 0x8e || (c >= 0x90 && c <= 0x9f)) \ + return c; \ + else \ + return WEOF; \ + } +#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 < 0x8e || (ch >= 0x90 && ch <= 0x9f)) \ + /* It's plain ASCII or C1. */ \ + *outptr++ = ch; \ + else if (ch == 0xa5) \ + /* YEN sign => backslash */ \ + *outptr++ = 0x5c; \ + else if (ch == 0x203e) \ + /* overscore => asciitilde */ \ + *outptr++ = 0x7e; \ + else \ + { \ + /* Try the JIS character sets. */ \ + size_t found; \ + \ + /* See whether we have room for at least two characters. */ \ + if (__glibc_unlikely (outptr + 1 >= outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + found = ucs4_to_jisx0201 (ch, outptr + 1); \ + if (found != __UNKNOWN_10646_CHAR) \ + { \ + /* Yes, it's a JIS 0201 character. Store the shift byte. */ \ + *outptr = 0x8e; \ + outptr += 2; \ + } \ + else \ + { \ + /* No JIS 0201 character. */ \ + found = ucs4_to_jisx0208 (ch, outptr, 2); \ + /* Please note that we always have enough room for the output. */ \ + if (found != __UNKNOWN_10646_CHAR) \ + { \ + /* It's a JIS 0208 character, adjust it for EUC-JP. */ \ + *outptr++ += 0x80; \ + *outptr++ += 0x80; \ + } \ + else \ + { \ + /* No JIS 0208 character. */ \ + found = ucs4_to_jisx0212 (ch, outptr + 1, \ + outend - outptr - 1); \ + \ + if (__builtin_expect (found, 1) == 0) \ + { \ + /* We ran out of space. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + else if (__builtin_expect (found, 0) != __UNKNOWN_10646_CHAR) \ + { \ + /* It's a JIS 0212 character, adjust it for EUC-JP. */ \ + *outptr++ = 0x8f; \ + *outptr++ += 0x80; \ + *outptr++ += 0x80; \ + } \ + else \ + { \ + UNICODE_TAG_HANDLER (ch, 4); \ + \ + /* Illegal character. */ \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + } \ + } \ + } \ + \ + inptr += 4; \ + } +#define LOOP_NEED_FLAGS +#include <iconv/loop.c> + + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> |