contrib/tcsh/sh.char.h

   1 /* $Header: /src/pub/tcsh/sh.char.h,v 3.20 2002/07/01 20:50:21 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 #endif
  41
  42 typedef unsigned char tcshuc;
  43 #ifdef _MINIX
  44 # undef _SP
  45 #endif /* _MINIX */
  46 extern unsigned short _cmap[];
  47 #if defined(DSPMBYTE)
  48 extern unsigned short _mbmap[];
  49 # define CHECK_MBYTEVAR STRdspmbyte
  50 #endif
  51 extern unsigned short _cmap_c[];
  52 extern unsigned short _cmap_mbyte[];
  53 extern short _enable_mbdisp;
  54 extern unsigned short _mbmap[];
  55 extern unsigned short _mbmap_euc[];
  56 extern unsigned short _mbmap_sjis[];
  57 extern unsigned short _mbmap_big5[];
  58 extern unsigned short _mbmap_utf8[];
  59 /* VARIABLE Check str */
  60 /* same compiler require #define even not define DSPMBYTE */
  61 #define _MB1    0x0001
  62 #define _MB2    0x0002
  63
  64 #ifndef NLS
  65 extern tcshuc _cmap_lower[], _cmap_upper[];
  66
  67 #endif
  68
  69 #define _QF     0x0001          /* '" (Forward quotes) */
  70 #define _QB     0x0002          /* ` (Backquote) */
  71 #define _SP     0x0004          /* space and tab */
  72 #define _NL     0x0008          /* \n */
  73 #define _META   0x0010          /* lex meta characters, sp #'`";&<>()|\t\n */
  74 #define _GLOB   0x0020          /* glob characters, *?{[` */
  75 #define _ESC    0x0040          /* \ */
  76 #define _DOL    0x0080          /* $ */
  77 #define _DIG    0x0100          /* 0-9 */
  78 #define _LET    0x0200          /* a-z, A-Z, _ */
  79 #define _UP     0x0400          /* A-Z */
  80 #define _DOW    0x0800          /* a-z */
  81 #define _XD     0x1000          /* 0-9, a-f, A-F */
  82 #define _CMD    0x2000          /* lex end of command chars, ;&(|` */
  83 #define _CTR    0x4000          /* control */
  84 #define _PUN    0x8000          /* punctuation */
  85
  86 #if defined(SHORT_STRINGS) && defined(KANJI)
  87 # define ASC(ch) ch
  88 # define CTL_ESC(ch) ch
  89 # define cmap(c, bits)  \
  90         ((((c) & QUOTE) || ((c & 0x80) && adrof(STRnokanji))) ? \
  91         0 : (_cmap[(tcshuc)(c)] & (bits)))
  92 #else /* SHORT_STRINGS && KANJI */
  93 # ifdef IS_ASCII
  94 #  define ASC(ch) ch
  95 #  define CTL_ESC(ch) ch
  96 #  define cmap(c, bits) \
  97         (((c) & QUOTE) ? 0 : (_cmap[(tcshuc)(c)] & (bits)))
  98 # else /* IS_ASCII */
  99 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
 100 /* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */
 101 extern unsigned short _toascii[256];
 102 extern unsigned short _toebcdic[256];
 103
 104 /* mainly for comparisons if (ASC(ch)=='\177')... */
 105 #  define ASC(ch)     _toascii[(tcshuc)ch]
 106
 107 /* Literal escapes ('\010') must be mapped to EBCDIC,
 108  * for C-Escapes   ('\b'), the compiler already does it.
 109  */
 110 #  define CTL_ESC(ch) _toebcdic[(tcshuc)ch]
 111
 112 #  define cmap(c, bits) \
 113         (((c) & QUOTE) ? 0 : (_cmap[_toascii[(tcshuc)(c)]] & (bits)))
 114 # endif /* IS_ASCII */
 115 #endif /* SHORT_STRINGS && KANJI */
 116
 117 #define isglob(c)       cmap(c, _GLOB)
 118 #define isspc(c)        cmap(c, _SP)
 119 #define ismeta(c)       cmap(c, _META)
 120 #define iscmdmeta(c)    cmap(c, _CMD)
 121 #define letter(c)       (((Char)(c) & QUOTE) ? 0 : \
 122                          (isalpha((tcshuc) (c)) || (c) == '_'))
 123 #define alnum(c)        (((Char)(c) & QUOTE) ? 0 : \
 124                          (isalnum((tcshuc) (c)) || (c) == '_'))
 125
 126 #if defined(DSPMBYTE)
 127 # define IsmbyteU(c)    (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200)))
 128 #endif
 129
 130 #ifdef NLS
 131 # ifdef NeXT
 132 #  define Isspace(c)    (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c)))
 133 #  define Isdigit(c)    (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c)))
 134 #  define Isalpha(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c)))
 135 #  define Islower(c)    (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c)))
 136 #  define Isupper(c)    (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c)))
 137 #  define Tolower(c)    (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c)))
 138 #  define Toupper(c)    (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c)))
 139 #  define Isxdigit(c)   (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c)))
 140 #if defined(DSPMBYTE)
 141 #  define IscntrlM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 142 #  define Iscntrl(c)    ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 143 #  define IsprintM(c)   (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 144 #  define Isprint(c)    ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 145 #else
 146 #  define Isalnum(c)    (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c)))
 147 #  define Iscntrl(c)    (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
 148 #  define Isprint(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
 149 #endif /* !defined(DSPMBYTE) */
 150 #  define Ispunct(c)    (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c)))
 151 # else /* !NeXT */
 152 #  ifndef WINNT_NATIVE
 153 #   define Isspace(c)   (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c)))
 154 #   define Isdigit(c)   (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c)))
 155 #   define Isalpha(c)   (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c)))
 156 #   define Islower(c)   (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c)))
 157 #   define Isupper(c)   (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c)))
 158 #   define Tolower(c)   (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c)))
 159 #   define Toupper(c)   (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c)))
 160 #   define Isxdigit(c)  (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c)))
 161 #   define Isalnum(c)   (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c)))
 162 #if defined(DSPMBYTE)
 163 #   define IscntrlM(c)  (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 164 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 165 #else
 166 #   define Iscntrl(c)   (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
 167 #endif /* !defined(DSPMBYTE) */
 168 #   if SOLARIS2 == 24
 169     /*
 170      * From <casper@fwi.uva.nl> Casper Dik:
 171      * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,"").
 172      * This breaks commandline editing when you include tabs.
 173      * (This is in the en_US locale).
 174      */
 175 #if defined(DSPMBYTE)
 176 #    define IsprintM(c)         (((Char)(c) & QUOTE) ? 0 : \
 177                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 178 #else
 179 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : \
 180                                 (isprint((tcshuc) (c)) && (c) != '\t'))
 181 #endif /* !defined(DSPMBYTE) */
 182 #   else
 183 #if defined(DSPMBYTE)
 184 #    define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 185 #else
 186 #    define Isprint(c)  (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
 187 #endif /* !defined(DSPMBYTE) */
 188 #   endif /* SOLARIS2 == 24 */
 189 #if defined(DSPMBYTE)
 190 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 191 #endif /* !defined(DSPMBYTE) */
 192 #    define Ispunct(c)  (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c)))
 193 #  else /* WINNT_NATIVE */
 194 #   define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c))))
 195 #   define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c))))
 196 #   define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c))))
 197 #   define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c))))
 198 #   define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c))))
 199 #   define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c))))
 200 #   define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c))))
 201 #   define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c))))
 202 #   define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c))))
 203 #   define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c))))
 204 #if defined(DSPMBYTE)
 205 #   define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 206 #   define Iscntrl(c)   ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 207 #   define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 208 #   define Isprint(c)   ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 209 #else
 210 #   define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
 211 #   define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
 212 #endif /* !defined(DSPMBYTE) */
 213 #  endif /* WINNT_NATIVE */
 214 # endif /* !NeXT */
 215 #else /* !NLS */
 216 # define Isspace(c)     cmap(c, _SP|_NL)
 217 # define Isdigit(c)     cmap(c, _DIG)
 218 # define Isalpha(c)     (cmap(c,_LET) && !(((c) & META) && AsciiOnly))
 219 # define Islower(c)     (cmap(c,_DOW) && !(((c) & META) && AsciiOnly))
 220 # define Isupper(c)     (cmap(c, _UP) && !(((c) & META) && AsciiOnly))
 221 # ifdef IS_ASCII
 222 #  define Tolower(c)    (_cmap_lower[(tcshuc)(c)])
 223 #  define Toupper(c)    (_cmap_upper[(tcshuc)(c)])
 224 # else
 225 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
 226 #  define Tolower(c)    (_cmap_lower[_toascii[(tcshuc)(c)]])
 227 #  define Toupper(c)    (_cmap_upper[_toascii[(tcshuc)(c)]])
 228 # endif
 229 # define Isxdigit(c)    cmap(c, _XD)
 230 # define Isalnum(c)     (cmap(c, _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly))
 231 #if defined(DSPMBYTE)
 232 # define IscntrlM(c)    (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
 233 # define Iscntrl(c)     ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
 234 # define IsprintM(c)    (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
 235 # define Isprint(c)     ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
 236 #else
 237 # define Iscntrl(c)     (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
 238 # define Isprint(c)     (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
 239 #endif /* !defined(DSPMBYTE) */
 240 # define Ispunct(c)     (cmap(c,_PUN) && !(((c) & META) && AsciiOnly))
 241
 242 #endif /* !NLS */
 243
 244 #if defined(DSPMBYTE)
 245 # define Ismbyte1(c)    ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0)
 246 # define Ismbyte2(c)    ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0)
 247 #endif
 248
 249 #endif /* _h_sh_char */