lib/libc/locale/runetype_local.h

   1 /*      $NetBSD: runetype_local.h,v 1.4 2009/11/09 14:20:49 tnozaki Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Paul Borman at Krystal Technologies.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)runetype.h  8.1 (Berkeley) 6/2/93
  35  */
  36
  37 #ifndef _RUNETYPE_LOCAL_H_
  38 #define _RUNETYPE_LOCAL_H_
  39
  40 #include <sys/cdefs.h>
  41 #include <sys/types.h>
  42
  43 /* for cross host tools on older systems */
  44 #ifndef UINT32_C
  45 /* assumes sizeof(unsigned int)>=4 */
  46 #define UINT32_C(c) ((uint32_t)(c##U))
  47 #endif
  48
  49 typedef uint32_t        __nbrune_t;
  50 typedef uint64_t        __runepad_t;
  51
  52 #define _NB_CACHED_RUNES        (1 << 8)        /* Must be a power of 2 */
  53 #define _NB_RUNE_ISCACHED(c)    ((c)>=0 && (c)<_CACHED_RUNES)
  54
  55 #define _NB_DEFAULT_INVALID_RUNE ((__nbrune_t)-3)
  56
  57 /*
  58  * The lower 8 bits of runetype[] contain the digit value of the rune.
  59  */
  60 typedef uint32_t _RuneType;
  61 #define _RUNETYPE_A     UINT32_C(0x00000100)    /* Alpha */
  62 #define _RUNETYPE_C     UINT32_C(0x00000200)    /* Control */
  63 #define _RUNETYPE_D     UINT32_C(0x00000400)    /* Digit */
  64 #define _RUNETYPE_G     UINT32_C(0x00000800)    /* Graph */
  65 #define _RUNETYPE_L     UINT32_C(0x00001000)    /* Lower */
  66 #define _RUNETYPE_P     UINT32_C(0x00002000)    /* Punct */
  67 #define _RUNETYPE_S     UINT32_C(0x00004000)    /* Space */
  68 #define _RUNETYPE_U     UINT32_C(0x00008000)    /* Upper */
  69 #define _RUNETYPE_X     UINT32_C(0x00010000)    /* X digit */
  70 #define _RUNETYPE_B     UINT32_C(0x00020000)    /* Blank */
  71 #define _RUNETYPE_R     UINT32_C(0x00040000)    /* Print */
  72 #define _RUNETYPE_I     UINT32_C(0x00080000)    /* Ideogram */
  73 #define _RUNETYPE_T     UINT32_C(0x00100000)    /* Special */
  74 #define _RUNETYPE_Q     UINT32_C(0x00200000)    /* Phonogram */
  75 #define _RUNETYPE_SWM   UINT32_C(0xc0000000)/* Mask to get screen width data */
  76 #define _RUNETYPE_SWS   30              /* Bits to shift to get width */
  77 #define _RUNETYPE_SW0   UINT32_C(0x20000000)    /* 0 width character */
  78 #define _RUNETYPE_SW1   UINT32_C(0x40000000)    /* 1 width character */
  79 #define _RUNETYPE_SW2   UINT32_C(0x80000000)    /* 2 width character */
  80 #define _RUNETYPE_SW3   UINT32_C(0xc0000000)    /* 3 width character */
  81
  82
  83 /*
  84  * rune file format.  network endian.
  85  */
  86 typedef struct {
  87         int32_t         fre_min;        /* First rune of the range */
  88         int32_t         fre_max;        /* Last rune (inclusive) of the range */
  89         int32_t         fre_map;        /* What first maps to in maps */
  90         uint32_t        fre_pad1;       /* backward compatibility */
  91         __runepad_t     fre_pad2;       /* backward compatibility */
  92 } __packed _FileRuneEntry;
  93
  94
  95 typedef struct {
  96         uint32_t        frr_nranges;    /* Number of ranges stored */
  97         uint32_t        frr_pad1;       /* backward compatibility */
  98         __runepad_t     frr_pad2;       /* backward compatibility */
  99 } __packed _FileRuneRange;
 100
 101
 102 typedef struct {
 103         char            frl_magic[8];   /* Magic saying what version we are */
 104         char            frl_encoding[32];/* ASCII name of this encoding */
 105
 106         __runepad_t     frl_pad1;       /* backward compatibility */
 107         __runepad_t     frl_pad2;       /* backward compatibility */
 108         int32_t         frl_invalid_rune;
 109         uint32_t        frl_pad3;       /* backward compatibility */
 110
 111         _RuneType       frl_runetype[_NB_CACHED_RUNES];
 112         int32_t         frl_maplower[_NB_CACHED_RUNES];
 113         int32_t         frl_mapupper[_NB_CACHED_RUNES];
 114
 115         /*
 116          * The following are to deal with Runes larger than _CACHED_RUNES - 1.
 117          * Their data is actually contiguous with this structure so as to make
 118          * it easier to read/write from/to disk.
 119          */
 120         _FileRuneRange  frl_runetype_ext;
 121         _FileRuneRange  frl_maplower_ext;
 122         _FileRuneRange  frl_mapupper_ext;
 123
 124         __runepad_t     frl_pad4;       /* backward compatibility */
 125         int32_t         frl_variable_len;/* how long that data is */
 126         uint32_t        frl_pad5;       /* backward compatibility */
 127
 128         /* variable size data follows */
 129 } __packed _FileRuneLocale;
 130
 131
 132 /*
 133  * expanded rune locale declaration.  local to the host.  host endian.
 134  */
 135 typedef struct {
 136         __nbrune_t      re_min;         /* First rune of the range */
 137         __nbrune_t      re_max;         /* Last rune (inclusive) of the range */
 138         __nbrune_t      re_map;         /* What first maps to in maps */
 139         _RuneType       *re_rune_types; /* Array of types in range */
 140 } _NBRuneEntry;
 141
 142
 143 typedef struct {
 144         uint32_t        rr_nranges;     /* Number of ranges stored */
 145         _NBRuneEntry    *rr_rune_ranges;
 146 } _NBRuneRange;
 147
 148
 149 /*
 150  * wctrans stuffs.
 151  */
 152 typedef struct _WCTransEntry {
 153         const char      *te_name;
 154         __nbrune_t      *te_cached;
 155         _NBRuneRange    *te_extmap;
 156 } _WCTransEntry;
 157 #define _WCTRANS_INDEX_LOWER    0
 158 #define _WCTRANS_INDEX_UPPER    1
 159 #define _WCTRANS_NINDEXES       2
 160
 161 /*
 162  * wctype stuffs.
 163  */
 164 typedef struct _WCTypeEntry {
 165         const char      *te_name;
 166         _RuneType       te_mask;
 167 } _WCTypeEntry;
 168 #define _WCTYPE_INDEX_ALNUM     0
 169 #define _WCTYPE_INDEX_ALPHA     1
 170 #define _WCTYPE_INDEX_BLANK     2
 171 #define _WCTYPE_INDEX_CNTRL     3
 172 #define _WCTYPE_INDEX_DIGIT     4
 173 #define _WCTYPE_INDEX_GRAPH     5
 174 #define _WCTYPE_INDEX_LOWER     6
 175 #define _WCTYPE_INDEX_PRINT     7
 176 #define _WCTYPE_INDEX_PUNCT     8
 177 #define _WCTYPE_INDEX_SPACE     9
 178 #define _WCTYPE_INDEX_UPPER     10
 179 #define _WCTYPE_INDEX_XDIGIT    11
 180 #define _WCTYPE_NINDEXES        12
 181
 182 /*
 183  * ctype stuffs
 184  */
 185
 186 typedef struct _NBRuneLocale {
 187         /*
 188          * copied from _FileRuneLocale
 189          */
 190         char            rl_magic[8];    /* Magic saying what version we are */
 191         char            rl_encoding[32];/* ASCII name of this encoding */
 192         __nbrune_t      rl_invalid_rune;
 193         _RuneType       rl_runetype[_NB_CACHED_RUNES];
 194         __nbrune_t      rl_maplower[_NB_CACHED_RUNES];
 195         __nbrune_t      rl_mapupper[_NB_CACHED_RUNES];
 196         _NBRuneRange    rl_runetype_ext;
 197         _NBRuneRange    rl_maplower_ext;
 198         _NBRuneRange    rl_mapupper_ext;
 199
 200         void            *rl_variable;
 201         size_t          rl_variable_len;
 202
 203         /*
 204          * the following portion is generated on the fly
 205          */
 206         const char                      *rl_codeset;
 207         struct _citrus_ctype_rec        *rl_citrus_ctype;
 208         _WCTransEntry                   rl_wctrans[_WCTRANS_NINDEXES];
 209         _WCTypeEntry                    rl_wctype[_WCTYPE_NINDEXES];
 210
 211         const unsigned char             *rl_ctype_tab;
 212         const short                     *rl_tolower_tab;
 213         const short                     *rl_toupper_tab;
 214 } _NBRuneLocale;
 215
 216
 217 /* magic number for LC_CTYPE (rune)locale declaration */
 218 #define _NB_RUNE_MAGIC_1 "RuneCT10"     /* Indicates version 0 of RuneLocale */
 219
 220 /* magic string for dynamic link module - type should be like "LC_CTYPE" */
 221 #define _NB_RUNE_MODULE_1(type) "RuneModule10." type
 222
 223 /* codeset tag */
 224 #define _NB_RUNE_CODESET "CODESET="
 225
 226 #endif  /* !_RUNETYPE_LOCAL_H_ */