| /* |
| * Copyright (c) 2003-2004, Artem B. Bityuckiy |
| * |
| * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 __CCS_H__ |
| #define __CCS_H__ |
| |
| #include <_ansi.h> |
| #include <sys/types.h> |
| #include <sys/param.h> |
| |
| /* |
| * Size-optimized tables will be linked instead of speed-optimized if |
| * TABLE_USE_SIZE_OPTIMISATION macro is defined. |
| */ |
| #if defined (PREFER_SIZE_OVER_SPEED) || defined (__OPTIMIZE_SIZE__) |
| # define TABLE_USE_SIZE_OPTIMIZATION |
| #endif |
| |
| /* Invalid code marker */ |
| #define INVALC 0xFFFF |
| /* Invalid block marker - marks empty blocks in speed-optimized tables */ |
| #define INVBLK 0xFFFF |
| /* Lost code marker - marks codes that was lost during CCS->UCS mapping */ |
| #define LOST_C DEFAULT_CHARACTER |
| |
| /* |
| * Table parameters values. |
| */ |
| /* Table version 1.0 identifier */ |
| #define TABLE_VERSION_1 1 |
| /* 8 and 16 bit tables identifiers */ |
| #define TABLE_8BIT 8 |
| #define TABLE_16BIT 16 |
| /* Size-optimized and speed-optimized tables identifiers */ |
| #define TABLE_SIZE_OPTIMIZED 1 |
| #define TABLE_SPEED_OPTIMIZED 2 |
| /* Built-in/external tables identifiers */ |
| #define TABLE_BUILTIN 1 |
| #define TABLE_EXTERNAL 2 |
| |
| /* |
| * Binary table fields. |
| */ |
| /* "No table" marker */ |
| #define EXTTABLE_NO_TABLE 0 |
| /* Version offset (2 bytes) */ |
| #define EXTTABLE_VERSION_OFF 0 |
| /* Bits number offset (2 bytes) */ |
| #define EXTTABLE_BITS_OFF 2 |
| /* CCS name length offset (2 bytes) */ |
| #define EXTTABLE_CCSNAME_LEN_OFF 4 |
| /* CCS name offset (expanded to even bytes number)*/ |
| #define EXTTABLE_CCSNAME_OFF 8 |
| /* Header length (minus CCS name) */ |
| #define EXTTABLE_HEADER_LEN (EXTTABLE_CCSNAME_OFF + 16*4) |
| /* Tables and lengths offsets minus CCS name length (4 bytes) */ |
| #define EXTTABLE_FROM_SPEED_BE_OFF (EXTTABLE_CCSNAME_OFF + 0) |
| #define EXTTABLE_FROM_SPEED_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 4) |
| #define EXTTABLE_FROM_SPEED_LE_OFF (EXTTABLE_CCSNAME_OFF + 8) |
| #define EXTTABLE_FROM_SPEED_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 12) |
| #define EXTTABLE_FROM_SIZE_BE_OFF (EXTTABLE_CCSNAME_OFF + 16) |
| #define EXTTABLE_FROM_SIZE_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 20) |
| #define EXTTABLE_FROM_SIZE_LE_OFF (EXTTABLE_CCSNAME_OFF + 24) |
| #define EXTTABLE_FROM_SIZE_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 28) |
| #define EXTTABLE_TO_SPEED_BE_OFF (EXTTABLE_CCSNAME_OFF + 32) |
| #define EXTTABLE_TO_SPEED_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 36) |
| #define EXTTABLE_TO_SPEED_LE_OFF (EXTTABLE_CCSNAME_OFF + 40) |
| #define EXTTABLE_TO_SPEED_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 44) |
| #define EXTTABLE_TO_SIZE_BE_OFF (EXTTABLE_CCSNAME_OFF + 48) |
| #define EXTTABLE_TO_SIZE_BE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 52) |
| #define EXTTABLE_TO_SIZE_LE_OFF (EXTTABLE_CCSNAME_OFF + 56) |
| #define EXTTABLE_TO_SIZE_LE_LEN_OFF (EXTTABLE_CCSNAME_OFF + 60) |
| /* Endian-independent offsets */ |
| #if (BYTE_ORDER == LITTLE_ENDIAN) |
| # define EXTTABLE_FROM_SPEED_OFF EXTTABLE_FROM_SPEED_LE_OFF |
| # define EXTTABLE_FROM_SIZE_OFF EXTTABLE_FROM_SIZE_LE_OFF |
| # define EXTTABLE_TO_SPEED_OFF EXTTABLE_TO_SPEED_LE_OFF |
| # define EXTTABLE_TO_SIZE_OFF EXTTABLE_TO_SIZE_LE_OFF |
| # define EXTTABLE_FROM_SPEED_LEN_OFF EXTTABLE_FROM_SPEED_LE_LEN_OFF |
| # define EXTTABLE_FROM_SIZE_LEN_OFF EXTTABLE_FROM_SIZE_LE_LEN_OFF |
| # define EXTTABLE_TO_SPEED_LEN_OFF EXTTABLE_TO_SPEED_LE_LEN_OFF |
| # define EXTTABLE_TO_SIZE_LEN_OFF EXTTABLE_TO_SIZE_LE_LEN_OFF |
| #elif (BYTE_ORDER == BIG_ENDIAN) |
| # define EXTTABLE_FROM_SPEED_OFF EXTTABLE_FROM_SPEED_BE_OFF |
| # define EXTTABLE_FROM_SIZE_OFF EXTTABLE_FROM_SIZE_BE_OFF |
| # define EXTTABLE_TO_SPEED_OFF EXTTABLE_TO_SPEED_BE_OFF |
| # define EXTTABLE_TO_SIZE_OFF EXTTABLE_TO_SIZE_BE_OFF |
| # define EXTTABLE_FROM_SPEED_LEN_OFF EXTTABLE_FROM_SPEED_BE_LEN_OFF |
| # define EXTTABLE_FROM_SIZE_LEN_OFF EXTTABLE_FROM_SIZE_BE_LEN_OFF |
| # define EXTTABLE_TO_SPEED_LEN_OFF EXTTABLE_TO_SPEED_BE_LEN_OFF |
| # define EXTTABLE_TO_SIZE_LEN_OFF EXTTABLE_TO_SIZE_BE_LEN_OFF |
| #endif |
| |
| /* |
| * Size-optimized suitable fields indexes. |
| */ |
| /* Ranges number array index */ |
| #define RANGES_NUM_INDEX 0 |
| /* Un-ranged codes number array index */ |
| #define UNRANGED_NUM_INDEX 1 |
| /* First un-ranged pair index array index */ |
| #define FIRST_UNRANGED_INDEX_INDEX 2 |
| /* First range array index */ |
| #define FIRST_RANGE_INDEX 3 |
| |
| |
| /* |
| * Builtin CCS table description structure. |
| */ |
| typedef struct |
| { |
| __uint16_t ver; /* Table version */ |
| _CONST char *name; /* CCS name */ |
| __uint16_t bits; /* CCS's bits number */ |
| int from_ucs_type; /* UCS -> CCS table optimization type */ |
| _CONST __uint16_t *from_ucs; /* UCS -> CCS table */ |
| int to_ucs_type; /* CCS -> UCS table optimization type */ |
| _CONST __uint16_t *to_ucs; /* CCS -> UCS table */ |
| } iconv_ccs_t; |
| |
| /* |
| * CCS table descriptor. |
| */ |
| typedef struct |
| { |
| int bits; /* CCS's bits number */ |
| int type; /* Table type (builtin/external) */ |
| int optimization; /* Table optimization type (speed/size) */ |
| _CONST __uint16_t *tbl; /* Table's data */ |
| } iconv_ccs_desc_t; |
| |
| /* Array containing all built-in CCS tables */ |
| extern _CONST iconv_ccs_t * |
| _iconv_ccs[]; |
| |
| #endif /* __CCS_H__ */ |
| |
