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      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_ */
    101