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- /*
- * 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))
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