1 /* 2 * Copyright 2010 Nexenta Systmes, 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 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _COLLATE_H_ 30 #define _COLLATE_H_ 31 32 #include <sys/types.h> 33 #include <limits.h> 34 35 #define COLLATE_STR_LEN 24 /* should be 64-bit multiple */ 36 #define COLLATE_VERSION "IllumosCollate2\n" 37 38 #define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */ 39 #define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */ 40 41 #define DIRECTIVE_UNDEF 0x00 42 #define DIRECTIVE_FORWARD 0x01 43 #define DIRECTIVE_BACKWARD 0x02 44 #define DIRECTIVE_POSITION 0x04 45 #define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */ 46 47 #define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD) 48 49 /* 50 * The collate file format is as follows: 51 * 52 * char version[COLLATE_STR_LEN]; // must be COLLATE_VERSION 53 * collate_info_t info; // see below, includes padding 54 * collate_char_pri_t char_data[256]; // 8 bit char values 55 * collate_subst_t subst[*]; // 0 or more substitutions 56 * collate_chain_pri_t chains[*]; // 0 or more chains 57 * collate_large_pri_t large[*]; // extended char priorities 58 * 59 * Note that all structures must be 32-bit aligned, as each structure 60 * contains 32-bit member fields. The entire file is mmap'd, so its 61 * critical that alignment be observed. It is not generally safe to 62 * use any 64-bit values in the structures. 63 */ 64 65 typedef struct collate_info { 66 uint8_t directive_count; 67 uint8_t directive[COLL_WEIGHTS_MAX]; 68 int32_t pri_count[COLL_WEIGHTS_MAX]; 69 int32_t flags; 70 int32_t chain_count; 71 int32_t large_count; 72 int32_t subst_count[COLL_WEIGHTS_MAX]; 73 int32_t undef_pri[COLL_WEIGHTS_MAX]; 74 } collate_info_t; 75 76 typedef struct collate_char { 77 int32_t pri[COLL_WEIGHTS_MAX]; 78 } collate_char_t; 79 80 typedef struct collate_chain { 81 wchar_t str[COLLATE_STR_LEN]; 82 int32_t pri[COLL_WEIGHTS_MAX]; 83 } collate_chain_t; 84 85 typedef struct collate_large { 86 int32_t val; 87 collate_char_t pri; 88 } collate_large_t; 89 90 typedef struct collate_subst { 91 int32_t key; 92 int32_t pri[COLLATE_STR_LEN]; 93 } collate_subst_t; 94 95 int _collate_load_tables(const char *); 96 void _collate_lookup(const wchar_t *, int *, int *, int, int **); 97 size_t _collate_wxfrm(const wchar_t *, wchar_t *, size_t); 98 size_t _collate_sxfrm(const wchar_t *, char *, size_t); 99 int _collate_range_cmp(wchar_t, wchar_t); 100 101 extern int _collate_load_error; 102 extern int _collate_substitute_nontrivial; 103 extern collate_info_t *_collate_info; 104 105 #endif /* !_COLLATE_H_ */ 106