1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright (c) 2003 Gunnar Ritter
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute
* it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/
/* Sccsid @(#)asciitype.h 1.6 (gritter) 9/9/05 */
/*
* Locale-independent character classes.
*/
enum {
C_CNTRL = 0000,
C_BLANK = 0001,
C_WHITE = 0002,
C_SPACE = 0004,
C_PUNCT = 0010,
C_OCTAL = 0020,
C_DIGIT = 0040,
C_UPPER = 0100,
C_LOWER = 0200
};
extern const unsigned char class_char[];
#define asciichar(c) ((unsigned)(c) <= 0177)
#define alnumchar(c) (asciichar(c)&&(class_char[c]&\
(C_DIGIT|C_OCTAL|C_UPPER|C_LOWER)))
#define alphachar(c) (asciichar(c)&&(class_char[c]&(C_UPPER|C_LOWER)))
#define blankchar(c) (asciichar(c)&&(class_char[c]&(C_BLANK)))
#define cntrlchar(c) (asciichar(c)&&(class_char[c]==C_CNTRL)
#define digitchar(c) (asciichar(c)&&(class_char[c]&(C_DIGIT|C_OCTAL)))
#define lowerchar(c) (asciichar(c)&&(class_char[c]&(C_LOWER)))
#define punctchar(c) (asciichar(c)&&(class_char[c]&(C_PUNCT)))
#define spacechar(c) (asciichar(c)&&(class_char[c]&(C_BLANK|C_SPACE|C_WHITE)))
#define upperchar(c) (asciichar(c)&&(class_char[c]&(C_UPPER)))
#define whitechar(c) (asciichar(c)&&(class_char[c]&(C_BLANK|C_WHITE)))
#define octalchar(c) (asciichar(c)&&(class_char[c]&(C_OCTAL)))
#define graphchar(c) (asciichar(c)&&(class_char[c]&\
(C_UPPER|C_LOWER|C_DIGIT|C_OCTAL|C_PUNCT)))
#define printchar(c) ((c)==' ' || asciichar(c)&&(class_char[c]&\
(C_UPPER|C_LOWER|C_DIGIT|C_OCTAL|C_PUNCT)))
#define upperconv(c) (lowerchar(c) ? (c)-'a'+'A' : (c))
#define lowerconv(c) (upperchar(c) ? (c)-'A'+'a' : (c))
|
