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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
* at Electronni Visti IA, Kiev, Ukraine.
* All rights reserved.
*
* Copyright (c) 2011 The FreeBSD Foundation
*
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _COLLATE_H_
#define _COLLATE_H_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <limits.h>
#include "xlocale_private.h"
/*
* Work around buildworld bootstrapping from older systems whose limits.h
* sets COLL_WEIGHTS_MAX to 0.
*/
#if COLL_WEIGHTS_MAX == 0
#undef COLL_WEIGHTS_MAX
#define COLL_WEIGHTS_MAX 10
#endif
#define COLLATE_STR_LEN 24 /* should be 64-bit multiple */
#define COLLATE_FMT_VERSION_LEN 12
#define COLLATE_FMT_VERSION "BSD 1.0\n"
#define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */
#define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */
#define DIRECTIVE_UNDEF 0x00
#define DIRECTIVE_FORWARD 0x01
#define DIRECTIVE_BACKWARD 0x02
#define DIRECTIVE_POSITION 0x04
#define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */
#define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD)
/*
* The collate file format is as follows:
*
* char fmt_version[COLLATE_FMT_VERSION_LEN]; // must be COLLATE_FMT_VERSION
* char def_version[XLOCALE_DEF_VERSION_LEN]; // NUL-terminated, may be empty
* collate_info_t info; // see below, includes padding
* collate_char_pri_t char_data[256]; // 8 bit char values
* collate_subst_t subst[*]; // 0 or more substitutions
* collate_chain_pri_t chains[*]; // 0 or more chains
* collate_large_pri_t large[*]; // extended char priorities
*
* Note that all structures must be 32-bit aligned, as each structure
* contains 32-bit member fields. The entire file is mmap'd, so its
* critical that alignment be observed. It is not generally safe to
* use any 64-bit values in the structures.
*/
typedef struct collate_info {
uint8_t directive_count;
uint8_t directive[COLL_WEIGHTS_MAX];
int32_t pri_count[COLL_WEIGHTS_MAX];
int32_t flags;
int32_t chain_count;
int32_t large_count;
int32_t subst_count[COLL_WEIGHTS_MAX];
int32_t undef_pri[COLL_WEIGHTS_MAX];
} collate_info_t;
typedef struct collate_char {
int32_t pri[COLL_WEIGHTS_MAX];
} collate_char_t;
typedef struct collate_chain {
wchar_t str[COLLATE_STR_LEN];
int32_t pri[COLL_WEIGHTS_MAX];
} collate_chain_t;
typedef struct collate_large {
int32_t val;
collate_char_t pri;
} collate_large_t;
typedef struct collate_subst {
int32_t key;
int32_t pri[COLLATE_STR_LEN];
} collate_subst_t;
struct xlocale_collate {
struct xlocale_component header;
int __collate_load_error;
char * map;
size_t maplen;
collate_info_t *info;
collate_char_t *char_pri_table;
collate_large_t *large_pri_table;
collate_chain_t *chain_pri_table;
collate_subst_t *subst_table[COLL_WEIGHTS_MAX];
};
__BEGIN_DECLS
int __collate_load_tables(const char *);
int __collate_equiv_value(locale_t, const wchar_t *, size_t);
void _collate_lookup(struct xlocale_collate *,const wchar_t *, int *, int *,
int, const int **);
int __collate_range_cmp(char, char);
int __wcollate_range_cmp(wchar_t, wchar_t);
size_t _collate_wxfrm(struct xlocale_collate *, const wchar_t *, wchar_t *,
size_t);
size_t _collate_sxfrm(struct xlocale_collate *, const wchar_t *, char *,
size_t);
__END_DECLS
#endif /* !_COLLATE_H_ */
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