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Diffstat (limited to 'iconvdata/jis0208.h')
| -rw-r--r-- | iconvdata/jis0208.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/iconvdata/jis0208.h b/iconvdata/jis0208.h deleted file mode 100644 index 5042fc57a8..0000000000 --- a/iconvdata/jis0208.h +++ /dev/null @@ -1,112 +0,0 @@ -/* Access functions for JISX0208 conversion. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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/>. */ - -#ifndef _JIS0208_H -#define _JIS0208_H 1 - -#include <gconv.h> -#include <stdint.h> - -/* Struct for table with indeces in UCS mapping table. */ -struct jisx0208_ucs_idx -{ - uint16_t start; - uint16_t end; - uint16_t idx; -}; - - -/* Conversion table. */ -extern const uint16_t __jis0208_to_ucs[]; - -#define JIS0208_LAT1_MIN 0xa2 -#define JIS0208_LAT1_MAX 0xf7 -extern const char __jisx0208_from_ucs4_lat1[JIS0208_LAT1_MAX + 1 - - JIS0208_LAT1_MIN][2]; -extern const char __jisx0208_from_ucs4_greek[0xc1][2]; -extern const struct jisx0208_ucs_idx __jisx0208_from_ucs_idx[]; -extern const char __jisx0208_from_ucs_tab[][2]; - - -static inline uint32_t -__attribute ((always_inline)) -jisx0208_to_ucs4 (const unsigned char **s, size_t avail, unsigned char offset) -{ - unsigned char ch = *(*s); - unsigned char ch2; - int idx; - - if (ch < offset || (ch - offset) <= 0x20) - return __UNKNOWN_10646_CHAR; - - if (avail < 2) - return 0; - - ch2 = (*s)[1]; - if (ch2 < offset || (ch2 - offset) <= 0x20 || (ch2 - offset) >= 0x7f) - return __UNKNOWN_10646_CHAR; - - idx = (ch - 0x21 - offset) * 94 + (ch2 - 0x21 - offset); - if (idx >= 0x1e80) - return __UNKNOWN_10646_CHAR; - - (*s) += 2; - - return __jis0208_to_ucs[idx] ?: ((*s) -= 2, __UNKNOWN_10646_CHAR); -} - - -static inline size_t -__attribute ((always_inline)) -ucs4_to_jisx0208 (uint32_t wch, unsigned char *s, size_t avail) -{ - unsigned int ch = (unsigned int) wch; - const char *cp; - - if (avail < 2) - return 0; - - if (ch >= JIS0208_LAT1_MIN && ch <= JIS0208_LAT1_MAX) - cp = __jisx0208_from_ucs4_lat1[ch - JIS0208_LAT1_MIN]; - else if (ch >= 0x391 && ch <= 0x451) - cp = __jisx0208_from_ucs4_greek[ch - 0x391]; - else - { - const struct jisx0208_ucs_idx *rp = __jisx0208_from_ucs_idx; - - if (ch >= 0xffff) - return __UNKNOWN_10646_CHAR; - while (ch > rp->end) - ++rp; - if (ch >= rp->start) - cp = __jisx0208_from_ucs_tab[rp->idx + ch - rp->start]; - else - return __UNKNOWN_10646_CHAR; - } - - if (cp[0] == '\0') - return __UNKNOWN_10646_CHAR; - - s[0] = cp[0]; - s[1] = cp[1]; - - return 2; -} - -#endif /* jis0208.h */ |