[wxWidgets.git] / src / regex / regcustom.h

/*
 * Copyright (c) 1998, 1999 Henry Spencer.	All rights reserved.
 *
 * Development of this software was funded, in part, by Cray Research Inc.,
 * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
 * Corporation, none of whom are responsible for the results.  The author
 * thanks all of them.
 *
 * Redistribution and use in source and binary forms -- with or without
 * modification -- are permitted for any purpose, provided that
 * redistributions in source form retain this entire copyright notice and
 * indicate the origin and nature of any modifications.
 *
 * I'd appreciate being given credit for this package in the documentation
 * of software which uses it, but that is not a requirement.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id$
 */

/* headers if any */

// FreeBSD, Watcom and DMars require this, CW doesn't have nor need it.
// Others also don't seem to need it. If you have an error related to
// (not) including <sys/types.h> please report details to
// wx-dev@lists.wxwindows.org
#if defined(__UNIX__) || defined(__WATCOMC__) || defined(__DIGITALMARS__)
#   include <sys/types.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>
#ifndef wxCHECK_GCC_VERSION
#define wxCHECK_GCC_VERSION( major, minor ) \
    ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
    && ( ( __GNUC__ > (major) ) \
        || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
#endif

#if !wxUSE_UNICODE
#   define wx_wchar char
#else // Unicode
    #if (defined(__GNUC__) && !wxCHECK_GCC_VERSION(2, 96))
    #       define wx_wchar __WCHAR_TYPE__ 
    #else // __WCHAR_TYPE__ and gcc < 2.96
        // standard case
        #       define wx_wchar wchar_t         
    #endif // __WCHAR_TYPE__
#endif // ASCII/Unicode

/* overrides for regguts.h definitions, if any */
#define FUNCPTR(name, args) (*name) args
#define MALLOC(n)		malloc(n)
#define FREE(p)			free(VS(p))
#define REALLOC(p,n)		realloc(VS(p),n)

/* internal character type and related */
typedef wx_wchar chr;			/* the type itself */
typedef unsigned long uchr;			/* unsigned type that will hold a chr */
typedef long celt;				/* type to hold chr, MCCE number, or
								 * NOCELT */

#define NOCELT	(-1)			/* celt value which is not valid chr or
								 * MCCE */
#define CHR(c)	((unsigned char) (c))	/* turn char literal into chr
										 * literal */
#define DIGITVAL(c) ((c)-'0')	/* turn chr digit into its value */

/*  RN - the "not use sizeof() thing is really annoying!" */
#if wxUSE_UNICODE
#   if defined(__WINDOWS__)
#       define CHRBITS 16
#       define CHR_MAX 0xfffe		
#   else   /* !__WINDOWS__ */
#       if defined(__MACH__)
#           define CHRBITS 32
#           define CHR_MAX 0xfffffffe		
#       else  /* !__MACH__ */
#           if !defined(SIZEOF_WCHAR_T)
#               define CHRBITS 16
#               define CHR_MAX 0xfffe		
#           else	/* defined(SIZEOF_WCHAR_T) */
#               define CHRBITS SIZEOF_WCHAR_T
#               define CHR_MAX ((1 << CHRBITS) - 1)		
#           endif  /* !defined(SIZEOF_WCHAR_T) */
#       endif  /* defined(__MACH__)  */
#   endif  /*  defined(__WINDOWS__)  */
#else  /*  !wxUSE_UNICODE */
#   define CHRBITS 8			/* bits in a chr; must not use sizeof */
#   define CHR_MAX 0xfe
#endif  /* wxUSE_UNICODE  */

#define CHR_MIN 0x00000000		/* smallest and largest chr; the value */
/*	
	PUTTING PARENTHASES AROUND THIS, I.E. (1 << CHRBITS) WILL
	CAUSE ALL CHARACTERS TO BE MATCHED!!!
*/
/*#define CHR_MAX 1 << CHRBITS /		 CHR_MAX-CHR_MIN+1 should fit in uchr */


/* functions operating on chr */
#define iscalnum(x) wx_isalnum(x)
#define iscalpha(x) wx_isalpha(x)
#define iscdigit(x) wx_isdigit(x)
#define iscspace(x) wx_isspace(x)

/* and pick up the standard header */
#include "regex.h"
Commit	Line	Data
c0a7edde RN	1	/*
	2	* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
	3	*
	4	* Development of this software was funded, in part, by Cray Research Inc.,
	5	* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
	6	* Corporation, none of whom are responsible for the results. The author
	7	* thanks all of them.
	8	*
	9	* Redistribution and use in source and binary forms -- with or without
	10	* modification -- are permitted for any purpose, provided that
	11	* redistributions in source form retain this entire copyright notice and
	12	* indicate the origin and nature of any modifications.
	13	*
	14	* I'd appreciate being given credit for this package in the documentation
	15	* of software which uses it, but that is not a requirement.
	16	*
	17	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	18	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	19	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
	20	* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	21	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	25	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	26	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	27	*
	28	* $Id$
	29	*/
	30
	31	/* headers if any */
04fdd873 DS	32
	33	// FreeBSD, Watcom and DMars require this, CW doesn't have nor need it.
	34	// Others also don't seem to need it. If you have an error related to
	35	// (not) including <sys/types.h> please report details to
	36	// wx-dev@lists.wxwindows.org
	37	#if defined(__UNIX__) \|\| defined(__WATCOMC__) \|\| defined(__DIGITALMARS__)
	38	# include <sys/types.h>
	39	#endif
	40
c0a7edde RN	41	#include <stdio.h>
	42	#include <stdlib.h>
	43	#include <ctype.h>
	44	#include <limits.h>
	45	#ifndef wxCHECK_GCC_VERSION
	46	#define wxCHECK_GCC_VERSION( major, minor ) \
	47	( defined(__GNUC__) && defined(__GNUC_MINOR__) \
	48	&& ( ( __GNUC__ > (major) ) \
	49	\|\| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
	50	#endif
	51
1ce5dd35	52	#if !wxUSE_UNICODE
c2935c26	53	# define wx_wchar char
1ce5dd35 RN	54	#else // Unicode
1ce5dd35 RN	55	#if (defined(__GNUC__) && !wxCHECK_GCC_VERSION(2, 96))
c2935c26	56	# define wx_wchar __WCHAR_TYPE__
1ce5dd35 RN	57	#else // __WCHAR_TYPE__ and gcc < 2.96
1ce5dd35 RN	58	// standard case
c2935c26	59	# define wx_wchar wchar_t
1ce5dd35 RN	60	#endif // __WCHAR_TYPE__
1ce5dd35 RN	61	#endif // ASCII/Unicode
c0a7edde RN	62
	63	/* overrides for regguts.h definitions, if any */
	64	#define FUNCPTR(name, args) (*name) args
	65	#define MALLOC(n) malloc(n)
	66	#define FREE(p) free(VS(p))
	67	#define REALLOC(p,n) realloc(VS(p),n)
	68
	69	/* internal character type and related */
	70	typedef wx_wchar chr; /* the type itself */
80e10e8b RN	71	typedef unsigned long uchr; /* unsigned type that will hold a chr */
80e10e8b RN	72	typedef long celt; /* type to hold chr, MCCE number, or
c0a7edde RN	73	* NOCELT */
	74
	75	#define NOCELT (-1) /* celt value which is not valid chr or
	76	* MCCE */
	77	#define CHR(c) ((unsigned char) (c)) /* turn char literal into chr
	78	* literal */
	79	#define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */
80e10e8b	80
f5386212	81	/* RN - the "not use sizeof() thing is really annoying!" */
83842a0b	82	#if wxUSE_UNICODE
960cb7d7 RN	83	# if defined(__WINDOWS__)
	84	# define CHRBITS 16
	85	# define CHR_MAX 0xfffe
	86	# else /* !__WINDOWS__ */
	87	# if defined(__MACH__)
	88	# define CHRBITS 32
	89	# define CHR_MAX 0xfffffffe
	90	# else /* !__MACH__ */
	91	# if !defined(SIZEOF_WCHAR_T)
	92	# define CHRBITS 16
	93	# define CHR_MAX 0xfffe
	94	# else /* defined(SIZEOF_WCHAR_T) */
	95	# define CHRBITS SIZEOF_WCHAR_T
	96	# define CHR_MAX ((1 << CHRBITS) - 1)
	97	# endif /* !defined(SIZEOF_WCHAR_T) */
	98	# endif /* defined(__MACH__) */
	99	# endif /* defined(__WINDOWS__) */
2a68dd9e	100	#else /* !wxUSE_UNICODE */
960cb7d7 RN	101	# define CHRBITS 8 /* bits in a chr; must not use sizeof */
960cb7d7 RN	102	# define CHR_MAX 0xfe
2a68dd9e RN	103	#endif /* wxUSE_UNICODE */
2a68dd9e RN	104
c0a7edde	105	#define CHR_MIN 0x00000000 /* smallest and largest chr; the value */
f5386212 RN	106	/*
	107	PUTTING PARENTHASES AROUND THIS, I.E. (1 << CHRBITS) WILL
	108	CAUSE ALL CHARACTERS TO BE MATCHED!!!
	109	*/
7b0f0de3	110	/#define CHR_MAX 1 << CHRBITS / CHR_MAX-CHR_MIN+1 should fit in uchr /
f5386212	111
c0a7edde RN	112
	113	/* functions operating on chr */
	114	#define iscalnum(x) wx_isalnum(x)
	115	#define iscalpha(x) wx_isalpha(x)
	116	#define iscdigit(x) wx_isdigit(x)
	117	#define iscspace(x) wx_isspace(x)
	118
	119	/* and pick up the standard header */
	120	#include "regex.h"