bin/csh/char.h

   1 /* $NetBSD: char.h,v 1.9 2012/01/19 02:42:53 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1980, 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)char.h      8.1 (Berkeley) 5/31/93
  32  */
  33
  34 #ifndef _CHAR_H_
  35 #define _CHAR_H_
  36
  37 #include <ctype.h>
  38
  39 extern unsigned short _cmap[];
  40
  41 #ifndef NLS
  42 extern unsigned char _cmap_lower[], _cmap_upper[];
  43
  44 #endif
  45
  46 #define _QF     0x0001          /* '" (Forward quotes) */
  47 #define _QB     0x0002          /* ` (Backquote) */
  48 #define _SP     0x0004          /* space and tab */
  49 #define _NL     0x0008          /* \n */
  50 #define _META   0x0010          /* lex meta characters, sp #'`";&<>()|\t\n */
  51 #define _GLOB   0x0020          /* glob characters, *?{[` */
  52 #define _ESC    0x0040          /* \ */
  53 #define _DOL    0x0080          /* $ */
  54 #define _DIG    0x0100          /* 0-9 */
  55 #define _LET    0x0200          /* a-z, A-Z, _ */
  56 #define _UP     0x0400          /* A-Z */
  57 #define _LOW    0x0800          /* a-z */
  58 #define _XD     0x1000          /* 0-9, a-f, A-F */
  59 #define _CMD    0x2000          /* lex end of command chars, ;&(|` */
  60 #define _CTR    0x4000          /* control */
  61 #define _PUN    0x8000          /* punctuation */
  62
  63 #define cmap(c, bits)   \
  64         (((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits)))
  65
  66 #define isglob(c)       cmap(c, _GLOB)
  67 #define isspc(c)        cmap(c, _SP)
  68 #define ismeta(c)       cmap(c, _META)
  69 #define iscmdmeta(c)    cmap(c, _CMD)
  70 #define letter(c)       (((c) & QUOTE) ? 0 : \
  71                          (isalpha((unsigned char) (c)) || (c) == '_'))
  72 #define alnum(c)        (((c) & QUOTE) ? 0 : \
  73                          (isalnum((unsigned char) (c)) || (c) == '_'))
  74 #ifdef NLS
  75 #define Isspace(c)      (((c) & QUOTE) ? 0 : isspace((unsigned char) (c)))
  76 #define Isdigit(c)      (((c) & QUOTE) ? 0 : isdigit((unsigned char) (c)))
  77 #define Isalpha(c)      (((c) & QUOTE) ? 0 : isalpha((unsigned char) (c)))
  78 #define Islower(c)      (((c) & QUOTE) ? 0 : islower((unsigned char) (c)))
  79 #define Isupper(c)      (((c) & QUOTE) ? 0 : isupper((unsigned char) (c)))
  80 #define Tolower(c)      (((c) & QUOTE) ? 0 : tolower((unsigned char) (c)))
  81 #define Toupper(c)      (((c) & QUOTE) ? 0 : toupper((unsigned char) (c)))
  82 #define Isxdigit(c)     (((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c)))
  83 #define Isalnum(c)      (((c) & QUOTE) ? 0 : isalnum((unsigned char) (c)))
  84 #define Iscntrl(c)      (((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c)))
  85 #define Isprint(c)      (((c) & QUOTE) ? 0 : isprint((unsigned char) (c)))
  86 #else
  87 #define Isspace(c)      cmap(c, _SP|_NL)
  88 #define Isdigit(c)      cmap(c, _DIG)
  89 #define Isalpha(c)      (cmap(c,_LET) && !(((c) & META) && AsciiOnly))
  90 #define Islower(c)      (cmap(c,_LOW) && !(((c) & META) && AsciiOnly))
  91 #define Isupper(c)      (cmap(c, _UP) && !(((c) & META) && AsciiOnly))
  92 #define Tolower(c)      (_cmap_lower[(unsigned char)(c)])
  93 #define Toupper(c)      (_cmap_upper[(unsigned char)(c)])
  94 #define Isxdigit(c)     cmap(c, _XD)
  95 #define Isalnum(c)      (cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly))
  96 #define Iscntrl(c)      (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
  97 #define Isprint(c)      (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
  98 #endif
  99
 100 #endif /* !_CHAR_H_ */