| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1998-2015 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published |
| 7 | by the Free Software Foundation; version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _REPERTOIREMAP_H |
| 19 | #define _REPERTOIREMAP_H 1 |
| 20 | |
| 21 | #include <obstack.h> |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | #include "charmap.h" |
| 25 | #include "simple-hash.h" |
| 26 | |
| 27 | struct repertoire_t |
| 28 | { |
| 29 | const char *name; |
| 30 | struct obstack mem_pool; |
| 31 | hash_table char_table; |
| 32 | hash_table reverse_table; |
| 33 | hash_table seq_table; |
| 34 | }; |
| 35 | |
| 36 | |
| 37 | /* We need one value to mark the error case. Let's use 0xffffffff. |
| 38 | I.e., it is placed in the last page of ISO 10646. For now only the |
| 39 | first is used and we have plenty of room. */ |
| 40 | #define ILLEGAL_CHAR_VALUE ((uint32_t) 0xffffffffu) |
| 41 | |
| 42 | /* Another value is needed to signal that a value is not yet determined. */ |
| 43 | #define UNINITIALIZED_CHAR_VALUE ((uint32_t) 0xfffffffeu) |
| 44 | |
| 45 | |
| 46 | /* Prototypes for repertoire map handling functions. */ |
| 47 | extern struct repertoire_t *repertoire_read (const char *filename); |
| 48 | |
| 49 | /* Report missing repertoire map. */ |
| 50 | extern void repertoire_complain (const char *name); |
| 51 | |
| 52 | /* Return UCS4 value of character with given NAME. */ |
| 53 | extern uint32_t repertoire_find_value (const struct repertoire_t *repertoire, |
| 54 | const char *name, size_t len); |
| 55 | |
| 56 | /* Return symbol for given UCS4 value. */ |
| 57 | extern const char *repertoire_find_symbol (const struct repertoire_t *repertoire, |
| 58 | uint32_t ucs); |
| 59 | |
| 60 | /* Query the has table to memoize mapping from UCS4 to byte sequences. */ |
| 61 | extern struct charseq *repertoire_find_seq (const struct repertoire_t *rep, |
| 62 | uint32_t ucs); |
| 63 | |
| 64 | #endif /* repertoiremap.h */ |