2af7511ea7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31747 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
126 lines
4.8 KiB
C
126 lines
4.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* overrides for regguts.h definitions, if any */
|
|
/* regguts only includes standard headers if NULL is not defined, so do it
|
|
* ourselves here */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <limits.h>
|
|
#include <string.h>
|
|
|
|
/* must include this after ctype.h inclusion for CodeWarrior/Mac */
|
|
#include "wx/wxchar.h"
|
|
|
|
/*
|
|
* Do not insert extras between the "begin" and "end" lines -- this
|
|
* chunk is automatically extracted to be fitted into regex.h.
|
|
*/
|
|
/* --- begin --- */
|
|
/* ensure certain things don't sneak in from system headers */
|
|
#ifdef __REG_WIDE_T
|
|
#undef __REG_WIDE_T
|
|
#endif
|
|
#ifdef __REG_WIDE_COMPILE
|
|
#undef __REG_WIDE_COMPILE
|
|
#endif
|
|
#ifdef __REG_WIDE_EXEC
|
|
#undef __REG_WIDE_EXEC
|
|
#endif
|
|
#ifdef __REG_REGOFF_T
|
|
#undef __REG_REGOFF_T
|
|
#endif
|
|
#ifdef __REG_VOID_T
|
|
#undef __REG_VOID_T
|
|
#endif
|
|
#ifdef __REG_CONST
|
|
#undef __REG_CONST
|
|
#endif
|
|
#ifdef __REG_NOFRONT
|
|
#undef __REG_NOFRONT
|
|
#endif
|
|
#ifdef __REG_NOCHAR
|
|
#undef __REG_NOCHAR
|
|
#endif
|
|
#if wxUSE_UNICODE
|
|
# define __REG_WIDE_T wxChar
|
|
# define __REG_WIDE_COMPILE wx_re_comp
|
|
# define __REG_WIDE_EXEC wx_re_exec
|
|
# define __REG_NOCHAR /* don't want the char versions */
|
|
#endif
|
|
#define __REG_NOFRONT /* don't want regcomp() and regexec() */
|
|
#define _ANSI_ARGS_(x) x
|
|
/* --- end --- */
|
|
|
|
/* internal character type and related */
|
|
typedef wxChar chr; /* the type itself */
|
|
typedef int pchr; /* what it promotes to */
|
|
typedef unsigned uchr; /* unsigned type that will hold a chr */
|
|
typedef int celt; /* type to hold chr, MCCE number, or NOCELT */
|
|
#define NOCELT (-1) /* celt value which is not valid chr or MCCE */
|
|
#define UCHAR(c) ((unsigned char) (c))
|
|
#define CHR(c) (UCHAR(c)) /* turn char literal into chr literal */
|
|
#define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */
|
|
#if !wxUSE_UNICODE
|
|
# define CHRBITS 8 /* bits in a chr; must not use sizeof */
|
|
# define CHR_MIN 0x00 /* smallest and largest chr; the value */
|
|
# define CHR_MAX 0xff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
|
|
#elif SIZEOF_WCHAR_T == 4
|
|
# define CHRBITS 32 /* bits in a chr; must not use sizeof */
|
|
# define CHR_MIN 0x00000000 /* smallest and largest chr; the value */
|
|
# define CHR_MAX 0xffffffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
|
|
#else
|
|
# define CHRBITS 16 /* bits in a chr; must not use sizeof */
|
|
# define CHR_MIN 0x0000 /* smallest and largest chr; the value */
|
|
# define CHR_MAX 0xffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
|
|
#endif
|
|
|
|
/*
|
|
* I'm using isalpha et al. instead of wxIsalpha since BCC 5.5's iswalpha
|
|
* seems not to work on Windows 9x? Note that these are only used by the
|
|
* lexer, and although they must work for wxChars, they need only return
|
|
* true for characters within the ascii range.
|
|
*/
|
|
#define iscalnum(x) ((wxUChar)(x) < 128 && isalnum(x))
|
|
#define iscalpha(x) ((wxUChar)(x) < 128 && isalpha(x))
|
|
#define iscdigit(x) ((wxUChar)(x) < 128 && isdigit(x))
|
|
#define iscspace(x) ((wxUChar)(x) < 128 && isspace(x))
|
|
|
|
/* name the external functions */
|
|
#define compile wx_re_comp
|
|
#define exec wx_re_exec
|
|
|
|
/* enable/disable debugging code (by whether REG_DEBUG is defined or not) */
|
|
#if 0 /* no debug unless requested by makefile */
|
|
#define REG_DEBUG /* */
|
|
#endif
|
|
|
|
/* and pick up the standard header */
|
|
#include "regex.h"
|