1 /*- 2 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 3 * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> 4 * at Electronni Visti IA, Kiev, Ukraine. 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * All rights reserved. 9 * Portions of this software were developed by David Chisnall 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #ifndef _COLLATE_H_ 37 #define _COLLATE_H_ 38 39 #include <sys/cdefs.h> 40 #include <sys/types.h> 41 #include <limits.h> 42 #include "xlocale_private.h" 43 44 /* 45 * Work around buildworld bootstrapping from older systems whose limits.h 46 * sets COLL_WEIGHTS_MAX to 0. 47 */ 48 #if COLL_WEIGHTS_MAX == 0 49 #undef COLL_WEIGHTS_MAX 50 #define COLL_WEIGHTS_MAX 10 51 #endif 52 53 #define COLLATE_STR_LEN 24 /* should be 64-bit multiple */ 54 #define COLLATE_VERSION "BSD 1.0\n" 55 56 #define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */ 57 #define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */ 58 59 #define DIRECTIVE_UNDEF 0x00 60 #define DIRECTIVE_FORWARD 0x01 61 #define DIRECTIVE_BACKWARD 0x02 62 #define DIRECTIVE_POSITION 0x04 63 #define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */ 64 65 #define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD) 66 67 /* 68 * The collate file format is as follows: 69 * 70 * char version[COLLATE_STR_LEN]; // must be COLLATE_VERSION 71 * collate_info_t info; // see below, includes padding 72 * collate_char_pri_t char_data[256]; // 8 bit char values 73 * collate_subst_t subst[*]; // 0 or more substitutions 74 * collate_chain_pri_t chains[*]; // 0 or more chains 75 * collate_large_pri_t large[*]; // extended char priorities 76 * 77 * Note that all structures must be 32-bit aligned, as each structure 78 * contains 32-bit member fields. The entire file is mmap'd, so its 79 * critical that alignment be observed. It is not generally safe to 80 * use any 64-bit values in the structures. 81 */ 82 83 typedef struct collate_info { 84 uint8_t directive_count; 85 uint8_t directive[COLL_WEIGHTS_MAX]; 86 int32_t pri_count[COLL_WEIGHTS_MAX]; 87 int32_t flags; 88 int32_t chain_count; 89 int32_t large_count; 90 int32_t subst_count[COLL_WEIGHTS_MAX]; 91 int32_t undef_pri[COLL_WEIGHTS_MAX]; 92 } collate_info_t; 93 94 typedef struct collate_char { 95 int32_t pri[COLL_WEIGHTS_MAX]; 96 } collate_char_t; 97 98 typedef struct collate_chain { 99 wchar_t str[COLLATE_STR_LEN]; 100 int32_t pri[COLL_WEIGHTS_MAX]; 101 } collate_chain_t; 102 103 typedef struct collate_large { 104 int32_t val; 105 collate_char_t pri; 106 } collate_large_t; 107 108 typedef struct collate_subst { 109 int32_t key; 110 int32_t pri[COLLATE_STR_LEN]; 111 } collate_subst_t; 112 113 struct xlocale_collate { 114 struct xlocale_component header; 115 int __collate_load_error; 116 char * map; 117 size_t maplen; 118 119 collate_info_t *info; 120 collate_char_t *char_pri_table; 121 collate_large_t *large_pri_table; 122 collate_chain_t *chain_pri_table; 123 collate_subst_t *subst_table[COLL_WEIGHTS_MAX]; 124 }; 125 126 __BEGIN_DECLS 127 int __collate_load_tables(const char *); 128 int __collate_equiv_value(locale_t, const wchar_t *, size_t); 129 void _collate_lookup(struct xlocale_collate *,const wchar_t *, int *, int *, 130 int, const int **); 131 int __collate_range_cmp(char, char); 132 int __wcollate_range_cmp(wchar_t, wchar_t); 133 size_t _collate_wxfrm(struct xlocale_collate *, const wchar_t *, wchar_t *, 134 size_t); 135 size_t _collate_sxfrm(struct xlocale_collate *, const wchar_t *, char *, 136 size_t); 137 __END_DECLS 138 139 #endif /* !_COLLATE_H_ */ 140