xref: /netbsd/bin/csh/char.h (revision bf9ec67e)
1 /* $NetBSD: char.h,v 1.7 2001/09/14 14:03:59 wiz 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)char.h	8.1 (Berkeley) 5/31/93
36  */
37 
38 #ifndef _CHAR_H_
39 #define _CHAR_H_
40 
41 #include <ctype.h>
42 
43 extern unsigned short _cmap[];
44 
45 #ifndef NLS
46 extern unsigned char _cmap_lower[], _cmap_upper[];
47 
48 #endif
49 
50 #define	_QF	0x0001		/* '" (Forward quotes) */
51 #define	_QB	0x0002		/* ` (Backquote) */
52 #define	_SP	0x0004		/* space and tab */
53 #define	_NL	0x0008		/* \n */
54 #define	_META	0x0010		/* lex meta characters, sp #'`";&<>()|\t\n */
55 #define	_GLOB	0x0020		/* glob characters, *?{[` */
56 #define	_ESC	0x0040		/* \ */
57 #define	_DOL	0x0080		/* $ */
58 #define	_DIG  	0x0100		/* 0-9 */
59 #define	_LET  	0x0200		/* a-z, A-Z, _ */
60 #define	_UP   	0x0400		/* A-Z */
61 #define	_LOW  	0x0800		/* a-z */
62 #define	_XD 	0x1000		/* 0-9, a-f, A-F */
63 #define	_CMD	0x2000		/* lex end of command chars, ;&(|` */
64 #define _CTR	0x4000		/* control */
65 
66 #define cmap(c, bits)	\
67 	(((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits)))
68 
69 #define isglob(c)	cmap(c, _GLOB)
70 #define isspc(c)	cmap(c, _SP)
71 #define ismeta(c)	cmap(c, _META)
72 #define iscmdmeta(c)	cmap(c, _CMD)
73 #define letter(c)	(((c) & QUOTE) ? 0 : \
74 			 (isalpha((unsigned char) (c)) || (c) == '_'))
75 #define alnum(c)	(((c) & QUOTE) ? 0 : \
76 		         (isalnum((unsigned char) (c)) || (c) == '_'))
77 #ifdef NLS
78 #define Isspace(c)	(((c) & QUOTE) ? 0 : isspace((unsigned char) (c)))
79 #define Isdigit(c)	(((c) & QUOTE) ? 0 : isdigit((unsigned char) (c)))
80 #define Isalpha(c)	(((c) & QUOTE) ? 0 : isalpha((unsigned char) (c)))
81 #define Islower(c)	(((c) & QUOTE) ? 0 : islower((unsigned char) (c)))
82 #define Isupper(c)	(((c) & QUOTE) ? 0 : isupper((unsigned char) (c)))
83 #define Tolower(c) 	(((c) & QUOTE) ? 0 : tolower((unsigned char) (c)))
84 #define Toupper(c) 	(((c) & QUOTE) ? 0 : toupper((unsigned char) (c)))
85 #define Isxdigit(c)	(((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c)))
86 #define Isalnum(c)	(((c) & QUOTE) ? 0 : isalnum((unsigned char) (c)))
87 #define Iscntrl(c) 	(((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c)))
88 #define Isprint(c) 	(((c) & QUOTE) ? 0 : isprint((unsigned char) (c)))
89 #else
90 #define Isspace(c)	cmap(c, _SP|_NL)
91 #define Isdigit(c)	cmap(c, _DIG)
92 #define Isalpha(c)	(cmap(c,_LET) && !(((c) & META) && AsciiOnly))
93 #define Islower(c)	(cmap(c,_LOW) && !(((c) & META) && AsciiOnly))
94 #define Isupper(c)	(cmap(c, _UP) && !(((c) & META) && AsciiOnly))
95 #define Tolower(c)	(_cmap_lower[(unsigned char)(c)])
96 #define Toupper(c)	(_cmap_upper[(unsigned char)(c)])
97 #define Isxdigit(c)	cmap(c, _XD)
98 #define Isalnum(c)	(cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly))
99 #define Iscntrl(c)	(cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
100 #define Isprint(c)	(!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
101 #endif
102 
103 #endif /* !_CHAR_H_ */
104