| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1996-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@gnu.org>, 1996. |
| 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 _CHARMAP_H |
| 19 | #define _CHARMAP_H |
| 20 | |
| 21 | #include <obstack.h> |
| 22 | #include <stdbool.h> |
| 23 | #include <stdint.h> |
| 24 | |
| 25 | #include "repertoire.h" |
| 26 | #include "simple-hash.h" |
| 27 | |
| 28 | |
| 29 | struct width_rule |
| 30 | { |
| 31 | struct charseq *from; |
| 32 | struct charseq *to; |
| 33 | unsigned int width; |
| 34 | }; |
| 35 | |
| 36 | |
| 37 | struct charmap_t |
| 38 | { |
| 39 | const char *code_set_name; |
| 40 | const char *repertoiremap; |
| 41 | int mb_cur_min; |
| 42 | int mb_cur_max; |
| 43 | |
| 44 | struct width_rule *width_rules; |
| 45 | size_t nwidth_rules; |
| 46 | size_t nwidth_rules_max; |
| 47 | unsigned int width_default; |
| 48 | |
| 49 | struct obstack mem_pool; |
| 50 | hash_table char_table; |
| 51 | hash_table byte_table; |
| 52 | hash_table ucs4_table; |
| 53 | }; |
| 54 | |
| 55 | |
| 56 | /* This is the structure used for entries in the hash table. It represents |
| 57 | the sequence of bytes used for the coded character. */ |
| 58 | struct charseq |
| 59 | { |
| 60 | const char *name; |
| 61 | uint32_t ucs4; |
| 62 | int nbytes; |
| 63 | unsigned char bytes[0]; |
| 64 | }; |
| 65 | |
| 66 | |
| 67 | /* True if the encoding is not ASCII compatible. */ |
| 68 | extern bool enc_not_ascii_compatible; |
| 69 | |
| 70 | |
| 71 | /* Prototypes for charmap handling functions. */ |
| 72 | extern struct charmap_t *charmap_read (const char *filename, int verbose, |
| 73 | int error_not_found, int be_quiet, |
| 74 | int use_default); |
| 75 | |
| 76 | /* Return the value stored under the given key in the hashing table. */ |
| 77 | extern struct charseq *charmap_find_value (const struct charmap_t *charmap, |
| 78 | const char *name, size_t len); |
| 79 | |
| 80 | /* Return symbol for given multibyte sequence. */ |
| 81 | extern struct charseq *charmap_find_symbol (const struct charmap_t *charmap, |
| 82 | const char *name, size_t len); |
| 83 | |
| 84 | #endif /* charmap.h */ |