contrib/tcsh-6/sh.char.h

   1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.char.h,v 3.32 2006/09/26 16:44:37 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 #define _MB1    0x0001
  68 #define _MB2    0x0002
  69
  70 #ifndef NLS
  71 extern tcshuc _cmap_lower[], _cmap_upper[];
  72
  73 #endif
  74
  75 #define _QF     0x0001          /* '" (Forward quotes) */
  76 #define _QB     0x0002          /* ` (Backquote) */
  77 #define _SP     0x0004          /* space and tab */
  78 #define _NL     0x0008          /* \n */
  79 #define _META   0x0010          /* lex meta characters, sp #'`";&<>()|\t\n */
  80 #define _GLOB   0x0020          /* glob characters, *?{[` */
  81 #define _ESC    0x0040          /* \ */
  82 #define _DOL    0x0080          /* $ */
  83 #define _DIG    0x0100          /* 0-9 */
  84 #define _LET    0x0200          /* a-z, A-Z, _, or locale-specific */
  85 #define _UP     0x0400          /* A-Z, or locale-specific */
  86 #define _DOW    0x0800          /* a-z, or locale-specific */
  87 #define _XD     0x1000          /* 0-9, a-f, A-F */
  88 #define _CMD    0x2000          /* lex end of command chars, ;&(|` */
  89 #define _CTR    0x4000          /* control */
  90 #define _PUN    0x8000          /* punctuation */
  91
  92 #ifdef IS_ASCII
  93 # define ASC(ch) (ch)
  94 # define CTL_ESC(ch) (ch)
  95 #else
  96 # ifdef _OSD_POSIX
  97 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
  98 #   include <ascii_ebcdic.h>
  99 # else
 100 /* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */
 101 # endif
 102   extern unsigned short _toascii[256];
 103   extern unsigned short _toebcdic[256];
 104
 105 /* mainly for comparisons if (ASC(ch)=='\177')... */
 106 #  define ASC(ch)     _toascii[(tcshuc)(ch)]
 107
 108 /* Literal escapes ('\010') must be mapped to EBCDIC,
 109  * for C-Escapes   ('\b'), the compiler already does it.
 110  */
 111 #  define CTL_ESC(ch) _toebcdic[(tcshuc)(ch)]
 112 #endif /*IS_ASCII*/
 113
 114 #ifdef WIDE_STRINGS
 115 # define cmap(c, bits)  \
 116         (((c) < 0) ? 0 : \
 117         ((c) & QUOTE) || (c) >= 0x0080 ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 118 #elif defined(SHORT_STRINGS) && defined(KANJI)
 119 #  define cmap(c, bits) \
 120         (((c) < 0) ? 0 : \
 121         (((c) & QUOTE) || ((ASC(c) & 0x80) && adrof(STRnokanji))) ? \
 122         0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 123 #else /* SHORT_STRINGS && KANJI */
 124 # define cmap(c, bits)  \
 125         (((c) < 0) ? 0 : \
 126         ((c) & QUOTE) ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
 127 #endif /* SHORT_STRINGS && KANJI */
 128
 129 #define isglob(c)       cmap((c), _GLOB)
 130 #define isspc(c)        cmap((c), _SP)
 131 #define ismeta(c)       cmap((c), _META)
 132 #define iscmdmeta(c)    cmap((c), _CMD)
 133 #ifdef WIDE_STRINGS
 134 #define letter(c)       (((c) & QUOTE) ? 0 :  \
 135                          (iswalpha((tcshuc) (c)) || (c) == '_'))
 136 #define alnum(c)        (((c) & QUOTE) ? 0 :  \
 137                          (iswalnum((tcshuc) (c)) || (c) == '_'))
 138 #else
 139 #define letter(c)       (((Char)(c) & QUOTE) ? 0 :  \
 140                          (isalpha((tcshuc) (c)) || (c) == '_'))
 141 #define alnum(c)        (((Char)(c) & QUOTE) ? 0 :  \
 142                          (isalnum((tcshuc) (c)) || (c) == '_'))
 143 #endif
 144
 145 #if defined(DSPMBYTE)
 146 # define IsmbyteU(c)    (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200)))
 147 #endif
 148
 149 #ifdef NLS
 150 # ifdef WIDE_STRINGS
 151 #  define Isspace(c)    (((c) & QUOTE) ? 0 : iswspace(c))
 152 #  define Isdigit(c)    (((c) & QUOTE) ? 0 : iswdigit(c))
 153 #  define Isalpha(c)    (((c) & QUOTE) ? 0 : iswalpha(c))
 154 #  define Islower(c)    (((c) & QUOTE) ? 0 : iswlower(c))
 155 #  define Isupper(c)    (((c) & QUOTE) ? 0 : iswupper(c))
 156 #  define Tolower(c)    (((c) & QUOTE) ? 0 : (wchar_t)towlower(c))
 157 #  define Toupper(c)    (((c) & QUOTE) ? 0 : (wchar_t)towupper(c))
 158 #  define Isxdigit(c)   (((c) & QUOTE) ? 0 : iswxdigit(c))
 159 #  define Isalnum(c)    (((c) & QUOTE) ? 0 : iswalnum(c))
 160 #  define Iscntrl(c)    (((c) & QUOTE) ? 0 : iswcntrl(c))
 161 #  define Isprint(c)    (((c) & QUOTE) ? 0 : iswprint(c))
 162 #  define Ispunct(c)    (((c) & QUOTE) ? 0 : iswpunct(c))
 163 # elif defined (NeXT)
 164 #  define Isspace(c)    (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c)))
 165 #  define Isdigit(c)    (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c)))
 166 #  define Isalpha(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c)))
 167 #  define Islower(c)    (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c)))
 168 #  define Isupper(c)    (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c)))
 169 #  define Tolower(c)    (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c)))
 170 #  define Toupper(c)    (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c)))
 171 #  define Isxdigit(c)   (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c)))
 172 #if defined(DSPMBYTE)
 173 #  define IscntrlM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 174 #  define Iscntrl(c)    ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 175 #  define IsprintM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 176 #  define Isprint(c)    ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 177 #else
 178 #  define Isalnum(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c)))
 179 #  define Iscntrl(c)    (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 180 #  define Isprint(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 181 #endif /* !defined(DSPMBYTE) */
 182 #  define Ispunct(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c)))
 183 # else /* !NeXT */
 184 #  ifndef WINNT_NATIVE
 185 #   define Isspace(c)   (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c)))
 186 #   define Isdigit(c)   (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c)))
 187 #   define Isalpha(c)   (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c)))
 188 #   define Islower(c)   (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c)))
 189 #   define Isupper(c)   (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c)))
 190 #   define Tolower(c)   (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c)))
 191 #   define Toupper(c)   (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c)))
 192 #   define Isxdigit(c)  (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c)))
 193 #   define Isalnum(c)   (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c)))
 194 #if defined(DSPMBYTE)
 195 #   define IscntrlM(c)  (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 196 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 197 #else
 198 #   define Iscntrl(c)   (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 199 #endif /* !defined(DSPMBYTE) */
 200 #   if SOLARIS2 == 24
 201     /*
 202      * From <casper@fwi.uva.nl> Casper Dik:
 203      * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,"").
 204      * This breaks commandline editing when you include tabs.
 205      * (This is in the en_US locale).
 206      */
 207 #if defined(DSPMBYTE)
 208 #    define IsprintM(c)         (((Char)(c) & QUOTE) ? 0 : \
 209                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 210 #else
 211 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : \
 212                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 213 #endif /* !defined(DSPMBYTE) */
 214 #   else
 215 #if defined(DSPMBYTE)
 216 #    define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 217 #else
 218 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 219 #endif /* !defined(DSPMBYTE) */
 220 #   endif /* SOLARIS2 == 24 */
 221 #if defined(DSPMBYTE)
 222 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 223 #endif /* !defined(DSPMBYTE) */
 224 #    define Ispunct(c)  (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c)))
 225 #  else /* WINNT_NATIVE */
 226 #   define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c))))
 227 #   define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c))))
 228 #   define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c))))
 229 #   define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c))))
 230 #   define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c))))
 231 #   define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c))))
 232 #   define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c))))
 233 #   define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c))))
 234 #   define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c))))
 235 #   define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c))))
 236 #if defined(DSPMBYTE)
 237 #   define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 238 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 239 #   define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 240 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 241 #else
 242 #   define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 243 #   define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 244 #endif /* !defined(DSPMBYTE) */
 245 #  endif /* WINNT_NATIVE */
 246 # endif /* !NeXT */
 247 #else /* !NLS */
 248 # define Isspace(c)     cmap((c), _SP|_NL)
 249 # define Isdigit(c)     cmap((c), _DIG)
 250 # define Isalpha(c)     (cmap((c),_LET) && !(((c) & META) && AsciiOnly))
 251 # define Islower(c)     (cmap((c),_DOW) && !(((c) & META) && AsciiOnly))
 252 # define Isupper(c)     (cmap((c), _UP) && !(((c) & META) && AsciiOnly))
 253 # define Tolower(c)     (_cmap_lower[ASC(c)])
 254 # define Toupper(c)     (_cmap_upper[ASC(c)])
 255 # define Isxdigit(c)    cmap((c), _XD)
 256 # define Isalnum(c)     (cmap((c), _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly))
 257 #if defined(DSPMBYTE)
 258 # define IscntrlM(c)    (cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 259 # define Iscntrl(c)     ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 260 # define IsprintM(c)    (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 261 # define Isprint(c)     ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 262 #else
 263 # define Iscntrl(c)     (cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 264 # define Isprint(c)     (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
 265 #endif /* !defined(DSPMBYTE) */
 266 # define Ispunct(c)     (cmap((c),_PUN) && !(((c) & META) && AsciiOnly))
 267
 268 #endif /* !NLS */
 269
 270 #if defined(DSPMBYTE)
 271 # define Ismbyte1(c)    ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0)
 272 # define Ismbyte2(c)    ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0)
 273 #endif
 274
 275 #endif /* _h_sh_char */