1 /* Functions for JISX0213 conversion.
2 Copyright (C) 2002-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Bruno Haible <bruno@clisp.org>, 2002.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
25 extern const uint16_t __jisx0213_to_ucs_combining[][2];
26 extern const uint16_t __jisx0213_to_ucs_main[120 * 94];
27 extern const uint32_t __jisx0213_to_ucs_pagestart[];
28 extern const int16_t __jisx0213_from_ucs_level1[2715];
29 extern const uint16_t __jisx0213_from_ucs_level2[];
31 #define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))
33 static inline uint32_t
34 __attribute ((always_inline))
35 jisx0213_to_ucs4 (unsigned int row, unsigned int col)
39 if (row >= 0x121 && row <= 0x17e)
41 else if (row == 0x221)
43 else if (row >= 0x223 && row <= 0x225)
45 else if (row == 0x228)
47 else if (row >= 0x22c && row <= 0x22f)
49 else if (row >= 0x26e && row <= 0x27e)
54 if (col >= 0x21 && col <= 0x7e)
59 val = __jisx0213_to_ucs_main[row * 94 + col];
60 val = __jisx0213_to_ucs_pagestart[val >> 8] + (val & 0xff);
66 static inline uint16_t
67 __attribute ((always_inline))
68 ucs4_to_jisx0213 (uint32_t ucs)
70 if (ucs < NELEMS (__jisx0213_from_ucs_level1) << 6)
72 int index1 = __jisx0213_from_ucs_level1[ucs >> 6];
74 return __jisx0213_from_ucs_level2[(index1 << 6) + (ucs & 0x3f)];
80 __attribute ((always_inline))
81 jisx0213_added_in_2004_p (uint16_t val)
83 /* From JISX 0213:2000 to JISX 0213:2004, 10 characters were added to
84 plane 1, and plane 2 was left unchanged. See ISO-IR-233. */
92 return val == 0x4f54 || val == 0x4f7e;
96 return val >= 0x7e7a && val <= 0x7e7e;
102 #endif /* _JISX0213_H */