85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* $Id$
|
|
|
|
Part of SWI-Prolog
|
|
|
|
Author: Jan Wielemaker
|
|
E-mail: jan@swi.psy.uva.nl
|
|
WWW: http://www.swi-prolog.org
|
|
Copyright (C): 1985-2002, University of Amsterdam
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
extern const char _PL_char_types[]; /* array of character types */
|
|
|
|
#define CT 0 /* control-character */
|
|
#define SP 1 /* space */
|
|
#define SO 2 /* solo character */
|
|
#define SY 3 /* symbol character */
|
|
#define PU 4 /* Punctuation character */
|
|
#define DQ 5 /* Double quote */
|
|
#define SQ 6 /* Single quote */
|
|
#define BQ 7 /* Back quote */
|
|
#define UC 8 /* Uppercase character */
|
|
#define LC 9 /* Lowercase character */
|
|
#define DI 10 /* Digit */
|
|
|
|
#define isControl(c) (_PL_char_types[(unsigned)(c) & 0xff] == CT)
|
|
#define isBlank(c) (_PL_char_types[(unsigned)(c) & 0xff] == SP)
|
|
#define isGraph(c) (_PL_char_types[(unsigned)(c) & 0xff] > SP)
|
|
#define isDigit(c) (_PL_char_types[(unsigned)(c) & 0xff] == DI)
|
|
#define isLower(c) (_PL_char_types[(unsigned)(c) & 0xff] == LC)
|
|
#define isUpper(c) (_PL_char_types[(unsigned)(c) & 0xff] == UC)
|
|
#define isSymbol(c) (_PL_char_types[(unsigned)(c) & 0xff] == SY)
|
|
#define isPunct(c) (_PL_char_types[(unsigned)(c) & 0xff] == PU)
|
|
#define isSolo(c) (_PL_char_types[(unsigned)(c) & 0xff] == SO)
|
|
#define isAlpha(c) (_PL_char_types[(unsigned)(c) & 0xff] >= UC)
|
|
#define isLetter(c) (isLower(c) || isUpper(c))
|
|
#define isSign(c) ((c) == '-' || (c) == '+')
|
|
|
|
#define toLower(c) ((c) + 'a' - 'A')
|
|
#define makeLower(c) ((c) >= 'A' && (c) <= 'Z' ? toLower(c) : (c))
|
|
|
|
#define matchingBracket(c) ((c) == '[' ? ']' :\
|
|
'{' ? '}' :\
|
|
'(' ? ')' : EOS)
|
|
#define Control(c) ((c) == '?' ? 127 : (c) - '@')
|
|
|
|
|
|
/*******************************
|
|
* WIDE CHARACTER SUPPORT *
|
|
*******************************/
|
|
|
|
#include <wctype.h>
|
|
#include <wchar.h>
|
|
|
|
#define PlCharType(c, t, w) \
|
|
((unsigned)(c) <= 0xff ? (_PL_char_types[(unsigned char)(c)] t) : w)
|
|
|
|
#define isControlW(c) PlCharType(c, == CT, iswcntrl((wint_t)c))
|
|
#define isBlankW(c) PlCharType(c, == SP, iswspace((wint_t)c))
|
|
#define isDigitW(c) PlCharType(c, == DI, FALSE)
|
|
#define isLowerW(c) PlCharType(c, == LC, iswlower((wint_t)c))
|
|
#define isUpperW(c) PlCharType(c, == UC, iswupper((wint_t)c))
|
|
#define isSymbolW(c) PlCharType(c, == SY, FALSE)
|
|
#define isPunctW(c) PlCharType(c, == PU, FALSE)
|
|
#define isSoloW(c) PlCharType(c, == SO, FALSE)
|
|
#define isAlphaW(c) PlCharType(c, >= UC, iswalnum((wint_t)c))
|
|
#define isLetterW(c) (PlCharType(c, == LC, iswalpha((wint_t)c)) || \
|
|
PlCharType(c, == UC, FALSE))
|
|
|
|
#define toLowerW(c) ((unsigned)(c) <= 'Z' ? (c) + 'a' - 'A' : towlower(c))
|
|
#define makeLowerW(c) ((c) >= 'A' && (c) <= 'Z' ? toLower(c) : towlower(c))
|