| 1 |
148 |
jeremybenn |
/*
|
| 2 |
|
|
* Copyright (c) 2003-2004, Artem B. Bityuckiy
|
| 3 |
|
|
*
|
| 4 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 5 |
|
|
* modification, are permitted provided that the following conditions
|
| 6 |
|
|
* are met:
|
| 7 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 8 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 9 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 10 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 11 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 12 |
|
|
*
|
| 13 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
| 14 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 15 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 16 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
| 17 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 18 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 19 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 20 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 21 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 22 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 23 |
|
|
* SUCH DAMAGE.
|
| 24 |
|
|
*/
|
| 25 |
|
|
#ifndef __CCS_H__
|
| 26 |
|
|
#define __CCS_H__
|
| 27 |
|
|
|
| 28 |
|
|
#include <_ansi.h>
|
| 29 |
|
|
#include <sys/types.h>
|
| 30 |
|
|
#include <sys/param.h>
|
| 31 |
|
|
|
| 32 |
|
|
/*
|
| 33 |
|
|
* Size-optimized tables will be linked instead of speed-optimized if
|
| 34 |
|
|
* TABLE_USE_SIZE_OPTIMISATION macro is defined.
|
| 35 |
|
|
*/
|
| 36 |
|
|
#if defined (PREFER_SIZE_OVER_SPEED) || defined (__OPTIMIZE_SIZE__)
|
| 37 |
|
|
# define TABLE_USE_SIZE_OPTIMIZATION
|
| 38 |
|
|
#endif
|
| 39 |
|
|
|
| 40 |
|
|
/* Invalid code marker */
|
| 41 |
|
|
#define INVALC 0xFFFF
|
| 42 |
|
|
/* Invalid block marker - marks empty blocks in speed-optimized tables */
|
| 43 |
|
|
#define INVBLK 0xFFFF
|
| 44 |
|
|
/* Lost code marker - marks codes that was lost during CCS->UCS mapping */
|
| 45 |
|
|
#define LOST_C DEFAULT_CHARACTER
|
| 46 |
|
|
|
| 47 |
|
|
/*
|
| 48 |
|
|
* Table parameters values.
|
| 49 |
|
|
*/
|
| 50 |
|
|
/* Table version 1.0 identifier */
|
| 51 |
|
|
#define TABLE_VERSION_1 1
|
| 52 |
|
|
/* 8 and 16 bit tables identifiers */
|
| 53 |
|
|
#define TABLE_8BIT 8
|
| 54 |
|
|
#define TABLE_16BIT 16
|
| 55 |
|
|
/* Size-optimized and speed-optimized tables identifiers */
|
| 56 |
|
|
#define TABLE_SIZE_OPTIMIZED 1
|
| 57 |
|
|
#define TABLE_SPEED_OPTIMIZED 2
|
| 58 |
|
|
/* Built-in/external tables identifiers */
|
| 59 |
|
|
#define TABLE_BUILTIN 1
|
| 60 |
|
|
#define TABLE_EXTERNAL 2
|
| 61 |
|
|
|
| 62 |
|
|
/*
|
| 63 |
|
|
* Binary table fields.
|
| 64 |
|
|
*/
|
| 65 |
|
|
/* "No table" marker */
|
| 66 |
|
|
#define EXTTABLE_NO_TABLE 0
|
| 67 |
|
|
/* Version offset (2 bytes) */
|
| 68 |
|
|
#define EXTTABLE_VERSION_OFF 0
|
| 69 |
|
|
/* Bits number offset (2 bytes) */
|
| 70 |
|
|
#define EXTTABLE_BITS_OFF 2
|
| 71 |
|
|
/* CCS name length offset (2 bytes) */
|
| 72 |
|
|
#define EXTTABLE_CCSNAME_LEN_OFF 4
|
| 73 |
|
|
/* CCS name offset (expanded to even bytes number)*/
|
| 74 |
|
|
#define EXTTABLE_CCSNAME_OFF 8
|
| 75 |
|
|
/* Header length (minus CCS name) */
|
| 76 |
|
|
#define EXTTABLE_HEADER_LEN (EXTTABLE_CCSNAME_OFF + 16*4)
|
| 77 |
|
|
/* Tables and lengths offsets minus CCS name length (4 bytes) */
|
| 78 |
|
|
#define EXTTABLE_FROM_SPEED_BE_OFF (EXTTABLE_CCSNAME_OFF + 0)
|
| 79 |
|
|
#define EXTTABLE_FROM_SPEED_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 4)
|
| 80 |
|
|
#define EXTTABLE_FROM_SPEED_LE_OFF (EXTTABLE_CCSNAME_OFF + 8)
|
| 81 |
|
|
#define EXTTABLE_FROM_SPEED_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 12)
|
| 82 |
|
|
#define EXTTABLE_FROM_SIZE_BE_OFF (EXTTABLE_CCSNAME_OFF + 16)
|
| 83 |
|
|
#define EXTTABLE_FROM_SIZE_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 20)
|
| 84 |
|
|
#define EXTTABLE_FROM_SIZE_LE_OFF (EXTTABLE_CCSNAME_OFF + 24)
|
| 85 |
|
|
#define EXTTABLE_FROM_SIZE_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 28)
|
| 86 |
|
|
#define EXTTABLE_TO_SPEED_BE_OFF (EXTTABLE_CCSNAME_OFF + 32)
|
| 87 |
|
|
#define EXTTABLE_TO_SPEED_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 36)
|
| 88 |
|
|
#define EXTTABLE_TO_SPEED_LE_OFF (EXTTABLE_CCSNAME_OFF + 40)
|
| 89 |
|
|
#define EXTTABLE_TO_SPEED_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 44)
|
| 90 |
|
|
#define EXTTABLE_TO_SIZE_BE_OFF (EXTTABLE_CCSNAME_OFF + 48)
|
| 91 |
|
|
#define EXTTABLE_TO_SIZE_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 52)
|
| 92 |
|
|
#define EXTTABLE_TO_SIZE_LE_OFF (EXTTABLE_CCSNAME_OFF + 56)
|
| 93 |
|
|
#define EXTTABLE_TO_SIZE_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 60)
|
| 94 |
|
|
/* Endian-independent offsets */
|
| 95 |
|
|
#if (BYTE_ORDER == LITTLE_ENDIAN)
|
| 96 |
|
|
# define EXTTABLE_FROM_SPEED_OFF EXTTABLE_FROM_SPEED_LE_OFF
|
| 97 |
|
|
# define EXTTABLE_FROM_SIZE_OFF EXTTABLE_FROM_SIZE_LE_OFF
|
| 98 |
|
|
# define EXTTABLE_TO_SPEED_OFF EXTTABLE_TO_SPEED_LE_OFF
|
| 99 |
|
|
# define EXTTABLE_TO_SIZE_OFF EXTTABLE_TO_SIZE_LE_OFF
|
| 100 |
|
|
# define EXTTABLE_FROM_SPEED_LEN_OFF EXTTABLE_FROM_SPEED_LE_LEN_OFF
|
| 101 |
|
|
# define EXTTABLE_FROM_SIZE_LEN_OFF EXTTABLE_FROM_SIZE_LE_LEN_OFF
|
| 102 |
|
|
# define EXTTABLE_TO_SPEED_LEN_OFF EXTTABLE_TO_SPEED_LE_LEN_OFF
|
| 103 |
|
|
# define EXTTABLE_TO_SIZE_LEN_OFF EXTTABLE_TO_SIZE_LE_LEN_OFF
|
| 104 |
|
|
#elif (BYTE_ORDER == BIG_ENDIAN)
|
| 105 |
|
|
# define EXTTABLE_FROM_SPEED_OFF EXTTABLE_FROM_SPEED_BE_OFF
|
| 106 |
|
|
# define EXTTABLE_FROM_SIZE_OFF EXTTABLE_FROM_SIZE_BE_OFF
|
| 107 |
|
|
# define EXTTABLE_TO_SPEED_OFF EXTTABLE_TO_SPEED_BE_OFF
|
| 108 |
|
|
# define EXTTABLE_TO_SIZE_OFF EXTTABLE_TO_SIZE_BE_OFF
|
| 109 |
|
|
# define EXTTABLE_FROM_SPEED_LEN_OFF EXTTABLE_FROM_SPEED_BE_LEN_OFF
|
| 110 |
|
|
# define EXTTABLE_FROM_SIZE_LEN_OFF EXTTABLE_FROM_SIZE_BE_LEN_OFF
|
| 111 |
|
|
# define EXTTABLE_TO_SPEED_LEN_OFF EXTTABLE_TO_SPEED_BE_LEN_OFF
|
| 112 |
|
|
# define EXTTABLE_TO_SIZE_LEN_OFF EXTTABLE_TO_SIZE_BE_LEN_OFF
|
| 113 |
|
|
#endif
|
| 114 |
|
|
|
| 115 |
|
|
/*
|
| 116 |
|
|
* Size-optimized suitable fields indexes.
|
| 117 |
|
|
*/
|
| 118 |
|
|
/* Ranges number array index */
|
| 119 |
|
|
#define RANGES_NUM_INDEX 0
|
| 120 |
|
|
/* Un-ranged codes number array index */
|
| 121 |
|
|
#define UNRANGED_NUM_INDEX 1
|
| 122 |
|
|
/* First un-ranged pair index array index */
|
| 123 |
|
|
#define FIRST_UNRANGED_INDEX_INDEX 2
|
| 124 |
|
|
/* First range array index */
|
| 125 |
|
|
#define FIRST_RANGE_INDEX 3
|
| 126 |
|
|
|
| 127 |
|
|
|
| 128 |
|
|
/*
|
| 129 |
|
|
* Builtin CCS table description structure.
|
| 130 |
|
|
*/
|
| 131 |
|
|
typedef struct
|
| 132 |
|
|
{
|
| 133 |
|
|
__uint16_t ver; /* Table version */
|
| 134 |
|
|
_CONST char *name; /* CCS name */
|
| 135 |
|
|
__uint16_t bits; /* CCS's bits number */
|
| 136 |
|
|
int from_ucs_type; /* UCS -> CCS table optimization type */
|
| 137 |
|
|
_CONST __uint16_t *from_ucs; /* UCS -> CCS table */
|
| 138 |
|
|
int to_ucs_type; /* CCS -> UCS table optimization type */
|
| 139 |
|
|
_CONST __uint16_t *to_ucs; /* CCS -> UCS table */
|
| 140 |
|
|
} iconv_ccs_t;
|
| 141 |
|
|
|
| 142 |
|
|
/*
|
| 143 |
|
|
* CCS table descriptor.
|
| 144 |
|
|
*/
|
| 145 |
|
|
typedef struct
|
| 146 |
|
|
{
|
| 147 |
|
|
int bits; /* CCS's bits number */
|
| 148 |
|
|
int type; /* Table type (builtin/external) */
|
| 149 |
|
|
int optimization; /* Table optimization type (speed/size) */
|
| 150 |
|
|
_CONST __uint16_t *tbl; /* Table's data */
|
| 151 |
|
|
} iconv_ccs_desc_t;
|
| 152 |
|
|
|
| 153 |
|
|
/* Array containing all built-in CCS tables */
|
| 154 |
|
|
extern _CONST iconv_ccs_t *
|
| 155 |
|
|
_iconv_ccs[];
|
| 156 |
|
|
|
| 157 |
|
|
#endif /* __CCS_H__ */
|
| 158 |
|
|
|
