contrib/tcsh-6/sh.char.h

   1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.char.h,v 3.35 2008/09/25 14:41:34 christos Exp $ */
   2 /*
   3  * sh.char.h: Table for spotting special characters quickly
   4  *            Makes for very obscure but efficient coding.
   5  */
   6 /*-
   7  * Copyright (c) 1980, 1991 The Regents of the University of California.
   8  * All rights reserved.
   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 #ifndef _h_sh_char
  35 #define _h_sh_char
  36 #if defined(NeXT) && defined(NLS)
  37 # include <appkit/NXCType.h>
  38 #else
  39 # include <ctype.h>
  40 # ifdef WIDE_STRINGS
  41 #  ifdef HAVE_WCTYPE_H
  42 #   include <wctype.h>
  43 #  else
  44 #   include <wchar.h>
  45 #  endif
  46 # endif
  47 #endif
  48
  49 typedef unsigned char tcshuc;
  50 #ifdef _MINIX
  51 # undef _SP
  52 #endif /* _MINIX */
  53 extern unsigned short _cmap[];
  54 #if defined(DSPMBYTE)
  55 # define CHECK_MBYTEVAR STRdspmbyte
  56 #endif
  57 extern unsigned short _cmap_c[];
  58 extern unsigned short _cmap_mbyte[];
  59 extern short _enable_mbdisp;
  60 extern unsigned short _mbmap[];
  61 extern unsigned short _mbmap_euc[];
  62 extern unsigned short _mbmap_sjis[];
  63 extern unsigned short _mbmap_big5[];
  64 extern unsigned short _mbmap_utf8[];
  65 /* VARIABLE Check str */
  66 /* same compiler require #define even not define DSPMBYTE */
  67 #undef  _MB1
  68 #define _MB1    0x0001
  69 #undef  _MB2
  70 #define _MB2    0x0002
  71
  72 #ifndef NLS
  73 extern tcshuc _cmap_lower[], _cmap_upper[];
  74
  75 #endif
  76
  77 #ifndef __QNXNTO__
  78 #undef  _QF
  79 #define _QF     0x0001          /* '" (Forward quotes) */
  80 #undef  _QB
  81 #define _QB     0x0002          /* ` (Backquote) */
  82 #undef  _SP
  83 #define _SP     0x0004          /* space and tab */
  84 #else
  85 #undef  _XD
  86 #define _XD     0x0001          /* As in <ctype.h> */
  87 #undef  _UP
  88 #define _UP     0x0002          /* As in <ctype.h> */
  89 #undef  _SP
  90 #define _SP     0x0004          /* As in <ctype.h> */
  91 #endif
  92 #undef  _NL
  93 #define _NL     0x0008          /* \n */
  94 #undef  _META
  95 #define _META   0x0010          /* lex meta characters, sp #'`";&<>()|\t\n */
  96 #undef  _GLOB
  97 #define _GLOB   0x0020          /* glob characters, *?{[` */
  98 #undef  _ESC
  99 #define _ESC    0x0040          /* \ */
 100 #undef  _DOL
 101 #define _DOL    0x0080          /* $ */
 102 #undef  _DIG
 103 #define _DIG    0x0100          /* 0-9 */
 104 #undef  _LET
 105 #define _LET    0x0200          /* a-z, A-Z, _, or locale-specific */
 106 #ifndef __QNXNTO__
 107 #undef  _UP
 108 #define _UP     0x0400          /* A-Z, or locale-specific */
 109 #else
 110 #undef  _QF
 111 #define _QF     0x0400          /* '" (Forward quotes) */
 112 #endif
 113 #undef  _DOW
 114 #define _DOW    0x0800          /* a-z, or locale-specific */
 115 #ifndef __QNXNTO__
 116 #undef  _XD
 117 #define _XD     0x1000          /* 0-9, a-f, A-F */
 118 #else
 119 #undef  _QB
 120 #define _QB     0x1000          /* 0-9, a-f, A-F */
 121 #endif
 122 #undef  _CMD
 123 #define _CMD    0x2000          /* lex end of command chars, ;&(|` */
 124 #undef  _CTR
 125 #define _CTR    0x4000          /* control */
 126 #undef  _PUN
 127 #define _PUN    0x8000          /* punctuation */
 128
 129 #ifdef IS_ASCII
 130 # define ASC(ch) (ch)
 131 # define CTL_ESC(ch) (ch)
 132 #else
 133 # ifdef _OSD_POSIX
 134 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
 135 #   include <ascii_ebcdic.h>
 136 # else
 137 /* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */
 138 # endif
 139   extern unsigned short _toascii[256];
 140   extern unsigned short _toebcdic[256];
 141
 142 /* mainly for comparisons if (ASC(ch)=='\177')... */
 143 #  define ASC(ch)     _toascii[(tcshuc)(ch)]
 144
 145 /* Literal escapes ('\010') must be mapped to EBCDIC,
 146  * for C-Escapes   ('\b'), the compiler already does it.
 147  */
 148 #  define CTL_ESC(ch) _toebcdic[(tcshuc)(ch)]
 149 #endif /*IS_ASCII*/
 150
 151 #ifdef WIDE_STRINGS
 152 # define cmap(c, bits)  \
 153         (((c) < 0) ? 0 : \
 154         ((c) & QUOTE) || (c) >= 0x0080 ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 155 #elif defined(SHORT_STRINGS) && defined(KANJI)
 156 #  define cmap(c, bits) \
 157         (((c) < 0) ? 0 : \
 158         (((c) & QUOTE) || ((ASC(c) & 0x80) && adrof(STRnokanji))) ? \
 159         0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 160 #else /* SHORT_STRINGS && KANJI */
 161 # define cmap(c, bits)  \
 162         (((c) < 0) ? 0 : \
 163         ((c) & QUOTE) ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 164 #endif /* SHORT_STRINGS && KANJI */
 165
 166 #define isglob(c)       cmap((c), _GLOB)
 167 #define isspc(c)        cmap((c), _SP)
 168 #define ismeta(c)       cmap((c), _META)
 169 #define iscmdmeta(c)    cmap((c), _CMD)
 170 #ifdef WIDE_STRINGS
 171 #define letter(c)       (((c) & QUOTE) ? 0 :  \
 172                          (iswalpha((tcshuc) (c)) || (c) == '_'))
 173 #define alnum(c)        (((c) & QUOTE) ? 0 :  \
 174                          (iswalnum((tcshuc) (c)) || (c) == '_'))
 175 #else
 176 #define letter(c)       (((Char)(c) & QUOTE) ? 0 :  \
 177                          ((isalpha((tcshuc) (c)) && !(cmap((c), _PUN))) \
 178                           || (c) == '_'))
 179 #define alnum(c)        (((Char)(c) & QUOTE) ? 0 :  \
 180                          ((isalnum((tcshuc) (c)) && !(cmap((c), _PUN))) \
 181                           || (c) == '_'))
 182
 183 #endif
 184
 185 #if defined(DSPMBYTE)
 186 # define IsmbyteU(c)    (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200)))
 187 #endif
 188
 189 #ifdef NLS
 190 # ifdef WIDE_STRINGS
 191 #  define Isspace(c)    (((c) & QUOTE) ? 0 : iswspace(c))
 192 #  define Isdigit(c)    (((c) & QUOTE) ? 0 : iswdigit(c))
 193 #  define Isalpha(c)    (((c) & QUOTE) ? 0 : iswalpha(c))
 194 #  define Islower(c)    (((c) & QUOTE) ? 0 : iswlower(c))
 195 #  define Isupper(c)    (((c) & QUOTE) ? 0 : iswupper(c))
 196 #  define Tolower(c)    (((c) & QUOTE) ? 0 : (wchar_t)towlower(c))
 197 #  define Toupper(c)    (((c) & QUOTE) ? 0 : (wchar_t)towupper(c))
 198 #  define Isxdigit(c)   (((c) & QUOTE) ? 0 : iswxdigit(c))
 199 #  define Isalnum(c)    (((c) & QUOTE) ? 0 : iswalnum(c))
 200 #  define Iscntrl(c)    (((c) & QUOTE) ? 0 : iswcntrl(c))
 201 #  define Isprint(c)    (((c) & QUOTE) ? 0 : iswprint(c))
 202 #  define Ispunct(c)    (((c) & QUOTE) ? 0 : iswpunct(c))
 203 # elif defined (NeXT)
 204 #  define Isspace(c)    (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c)))
 205 #  define Isdigit(c)    (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c)))
 206 #  define Isalpha(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c)))
 207 #  define Islower(c)    (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c)))
 208 #  define Isupper(c)    (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c)))
 209 #  define Tolower(c)    (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c)))
 210 #  define Toupper(c)    (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c)))
 211 #  define Isxdigit(c)   (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c)))
 212 #if defined(DSPMBYTE)
 213 #  define IscntrlM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 214 #  define Iscntrl(c)    ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 215 #  define IsprintM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 216 #  define Isprint(c)    ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 217 #else
 218 #  define Isalnum(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c)))
 219 #  define Iscntrl(c)    (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 220 #  define Isprint(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 221 #endif /* !defined(DSPMBYTE) */
 222 #  define Ispunct(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c)))
 223 # else /* !NeXT */
 224 #  ifndef WINNT_NATIVE
 225 #   define Isspace(c)   (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c)))
 226 #   define Isdigit(c)   (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c)))
 227 #   define Isalpha(c)   (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c)))
 228 #   define Islower(c)   (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c)))
 229 #   define Isupper(c)   (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c)))
 230 #   define Tolower(c)   (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c)))
 231 #   define Toupper(c)   (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c)))
 232 #   define Isxdigit(c)  (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c)))
 233 #   define Isalnum(c)   (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c)))
 234 #if defined(DSPMBYTE)
 235 #   define IscntrlM(c)  (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 236 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 237 #else
 238 #   define Iscntrl(c)   (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 239 #endif /* !defined(DSPMBYTE) */
 240 #   if SOLARIS2 == 24
 241     /*
 242      * From <casper@fwi.uva.nl> Casper Dik:
 243      * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,"").
 244      * This breaks commandline editing when you include tabs.
 245      * (This is in the en_US locale).
 246      */
 247 #if defined(DSPMBYTE)
 248 #    define IsprintM(c)         (((Char)(c) & QUOTE) ? 0 : \
 249                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 250 #else
 251 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : \
 252                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 253 #endif /* !defined(DSPMBYTE) */
 254 #   else
 255 #if defined(DSPMBYTE)
 256 #    define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 257 #else
 258 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 259 #endif /* !defined(DSPMBYTE) */
 260 #   endif /* SOLARIS2 == 24 */
 261 #if defined(DSPMBYTE)
 262 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 263 #endif /* !defined(DSPMBYTE) */
 264 #    define Ispunct(c)  (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c)))
 265 #  else /* WINNT_NATIVE */
 266 #   define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c))))
 267 #   define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c))))
 268 #   define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c))))
 269 #   define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c))))
 270 #   define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c))))
 271 #   define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c))))
 272 #   define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c))))
 273 #   define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c))))
 274 #   define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c))))
 275 #   define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c))))
 276 #if defined(DSPMBYTE)
 277 #   define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 278 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 279 #   define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 280 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 281 #else
 282 #   define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 283 #   define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 284 #endif /* !defined(DSPMBYTE) */
 285 #  endif /* WINNT_NATIVE */
 286 # endif /* !NeXT */
 287 #else /* !NLS */
 288 # define Isspace(c)     cmap((c), _SP|_NL)
 289 # define Isdigit(c)     cmap((c), _DIG)
 290 # define Isalpha(c)     (cmap((c),_LET) && !(((c) & META) && AsciiOnly))
 291 # define Islower(c)     (cmap((c),_DOW) && !(((c) & META) && AsciiOnly))
 292 # define Isupper(c)     (cmap((c), _UP) && !(((c) & META) && AsciiOnly))
 293 # define Tolower(c)     (_cmap_lower[ASC(c)])
 294 # define Toupper(c)     (_cmap_upper[ASC(c)])
 295 # define Isxdigit(c)    cmap((c), _XD)
 296 # define Isalnum(c)     (cmap((c), _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly))
 297 #if defined(DSPMBYTE)
 298 # define IscntrlM(c)    (cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 299 # define Iscntrl(c)     ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 300 # define IsprintM(c)    (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 301 # define Isprint(c)     ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 302 #else
 303 # define Iscntrl(c)     (cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 304 # define Isprint(c)     (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 305 #endif /* !defined(DSPMBYTE) */
 306 # define Ispunct(c)     (cmap((c),_PUN) && !(((c) & META) && AsciiOnly))
 307
 308 #endif /* !NLS */
 309
 310 #if defined(DSPMBYTE)
 311 # define Ismbyte1(c)    ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0)
 312 # define Ismbyte2(c)    ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0)
 313 #endif
 314
 315 #endif /* _h_sh_char */