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 * Adapted to xlocale by John Marino <draco@marino.st> 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 #ifdef __LIBC 43 #include "xlocale_private.h" 44 #endif 45 46 /* 47 * Work around buildworld bootstrapping from older systems whose limits.h 48 * sets COLL_WEIGHTS_MAX to 0. 49 */ 50 #ifdef BOOTSTRAPPING 51 #undef COLL_WEIGHTS_MAX 52 #define COLL_WEIGHTS_MAX 10 /* keep in sync with <limits.h> */ 53 #endif 54 55 #define COLLATE_STR_LEN 24 /* should be 64-bit multiple */ 56 #define COLLATE_VERSION "DragonFly-4.4\n" 57 58 #define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */ 59 #define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */ 60 61 #define DIRECTIVE_UNDEF 0x00 62 #define DIRECTIVE_FORWARD 0x01 63 #define DIRECTIVE_BACKWARD 0x02 64 #define DIRECTIVE_POSITION 0x04 65 #define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */ 66 67 #define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD) 68 69 /* 70 * The collate file format is as follows: 71 * 72 * char version[COLLATE_STR_LEN]; // must be COLLATE_VERSION 73 * collate_info_t info; // see below, includes padding 74 * collate_char_pri_t char_data[256]; // 8 bit char values 75 * collate_subst_t subst[*]; // 0 or more substitutions 76 * collate_chain_pri_t chains[*]; // 0 or more chains 77 * collate_large_pri_t large[*]; // extended char priorities 78 * 79 * Note that all structures must be 32-bit aligned, as each structure 80 * contains 32-bit member fields. The entire file is mmap'd, so its 81 * critical that alignment be observed. It is not generally safe to 82 * use any 64-bit values in the structures. 83 */ 84 85 typedef struct collate_info { 86 uint8_t directive_count; 87 uint8_t directive[COLL_WEIGHTS_MAX]; 88 int32_t pri_count[COLL_WEIGHTS_MAX]; 89 int32_t flags; 90 int32_t chain_count; 91 int32_t large_count; 92 int32_t subst_count[COLL_WEIGHTS_MAX]; 93 int32_t undef_pri[COLL_WEIGHTS_MAX]; 94 } collate_info_t; 95 96 typedef struct collate_char { 97 int32_t pri[COLL_WEIGHTS_MAX]; 98 } collate_char_t; 99 100 typedef struct collate_chain { 101 wchar_t str[COLLATE_STR_LEN]; 102 int32_t pri[COLL_WEIGHTS_MAX]; 103 } collate_chain_t; 104 105 typedef struct collate_large { 106 int32_t val; 107 collate_char_t pri; 108 } collate_large_t; 109 110 typedef struct collate_subst { 111 int32_t key; 112 int32_t pri[COLLATE_STR_LEN]; 113 } collate_subst_t; 114 115 #ifdef __LIBC 116 struct xlocale_collate { 117 struct xlocale_component header; 118 int __collate_load_error; 119 char * map; 120 size_t maplen; 121 122 collate_info_t *info; 123 collate_char_t *char_pri_table; 124 collate_large_t *large_pri_table; 125 collate_chain_t *chain_pri_table; 126 collate_subst_t *subst_table[COLL_WEIGHTS_MAX]; 127 }; 128 129 __BEGIN_DECLS 130 int __collate_load_tables(const char *); 131 int __collate_equiv_value(locale_t, const wchar_t *, size_t); 132 void _collate_lookup(struct xlocale_collate *,const wchar_t *, int *, int *, 133 int, const int **); 134 int __collate_range_cmp(char, char); 135 int __wcollate_range_cmp(wchar_t, wchar_t); 136 size_t _collate_wxfrm(struct xlocale_collate *, const wchar_t *, wchar_t *, 137 size_t); 138 size_t _collate_sxfrm(struct xlocale_collate *, const wchar_t *, char *, 139 size_t); 140 __END_DECLS 141 #endif 142 143 #endif /* !_COLLATE_H_ */ 144