64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _REPERTOIREMAP_H
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#define _REPERTOIREMAP_H 1
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#include <obstack.h>
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#include <stdint.h>
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#include "charmap.h"
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#include "simple-hash.h"
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struct repertoire_t
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{
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const char *name;
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struct obstack mem_pool;
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hash_table char_table;
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hash_table reverse_table;
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hash_table seq_table;
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};
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/* We need one value to mark the error case. Let's use 0xffffffff.
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I.e., it is placed in the last page of ISO 10646. For now only the
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first is used and we have plenty of room. */
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#define ILLEGAL_CHAR_VALUE ((uint32_t) 0xffffffffu)
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/* Another value is needed to signal that a value is not yet determined. */
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#define UNINITIALIZED_CHAR_VALUE ((uint32_t) 0xfffffffeu)
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/* Prototypes for repertoire map handling functions. */
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extern struct repertoire_t *repertoire_read (const char *filename);
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/* Report missing repertoire map. */
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extern void repertoire_complain (const char *name);
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/* Return UCS4 value of character with given NAME. */
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extern uint32_t repertoire_find_value (const struct repertoire_t *repertoire,
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const char *name, size_t len);
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/* Return symbol for given UCS4 value. */
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extern const char *repertoire_find_symbol (const struct repertoire_t *repertoire,
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uint32_t ucs);
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/* Query the has table to memoize mapping from UCS4 to byte sequences. */
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extern struct charseq *repertoire_find_seq (const struct repertoire_t *rep,
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uint32_t ucs);
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#endif /* repertoiremap.h */
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