| | 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 | |
| | 29 | /* headers if any */ |
| | 30 | #include "wx/wxchar.h" |
| | 31 | |
| | 32 | /* overrides for regguts.h definitions, if any */ |
| | 33 | /* regguts only includes standard headers if NULL is not defined, so do it |
| | 34 | * ourselves here */ |
| | 35 | #include <stdio.h> |
| | 36 | #include <stdlib.h> |
| | 37 | #include <ctype.h> |
| | 38 | #include <limits.h> |
| | 39 | #include <string.h> |
| | 40 | |
| | 41 | /* |
| | 42 | * Do not insert extras between the "begin" and "end" lines -- this |
| | 43 | * chunk is automatically extracted to be fitted into regex.h. |
| | 44 | */ |
| | 45 | /* --- begin --- */ |
| | 46 | /* ensure certain things don't sneak in from system headers */ |
| | 47 | #ifdef __REG_WIDE_T |
| | 48 | #undef __REG_WIDE_T |
| | 49 | #endif |
| | 50 | #ifdef __REG_WIDE_COMPILE |
| | 51 | #undef __REG_WIDE_COMPILE |
| | 52 | #endif |
| | 53 | #ifdef __REG_WIDE_EXEC |
| | 54 | #undef __REG_WIDE_EXEC |
| | 55 | #endif |
| | 56 | #ifdef __REG_REGOFF_T |
| | 57 | #undef __REG_REGOFF_T |
| | 58 | #endif |
| | 59 | #ifdef __REG_VOID_T |
| | 60 | #undef __REG_VOID_T |
| | 61 | #endif |
| | 62 | #ifdef __REG_CONST |
| | 63 | #undef __REG_CONST |
| | 64 | #endif |
| | 65 | #ifdef __REG_NOFRONT |
| | 66 | #undef __REG_NOFRONT |
| | 67 | #endif |
| | 68 | #ifdef __REG_NOCHAR |
| | 69 | #undef __REG_NOCHAR |
| | 70 | #endif |
| | 71 | #if wxUSE_UNICODE |
| | 72 | # define __REG_WIDE_T wxChar |
| | 73 | # define __REG_WIDE_COMPILE re_comp |
| | 74 | # define __REG_WIDE_EXEC re_exec |
| | 75 | # define __REG_NOCHAR /* don't want the char versions */ |
| | 76 | #endif |
| | 77 | #define __REG_NOFRONT /* don't want regcomp() and regexec() */ |
| | 78 | #define _ANSI_ARGS_(x) x |
| | 79 | /* --- end --- */ |
| | 80 | |
| | 81 | /* internal character type and related */ |
| | 82 | typedef wxChar chr; /* the type itself */ |
| | 83 | typedef int pchr; /* what it promotes to */ |
| | 84 | typedef unsigned uchr; /* unsigned type that will hold a chr */ |
| | 85 | typedef int celt; /* type to hold chr, MCCE number, or NOCELT */ |
| | 86 | #define NOCELT (-1) /* celt value which is not valid chr or MCCE */ |
| | 87 | #define UCHAR(c) ((unsigned char) (c)) |
| | 88 | #define CHR(c) (UCHAR(c)) /* turn char literal into chr literal */ |
| | 89 | #define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */ |
| | 90 | #if !wxUSE_UNICODE |
| | 91 | # define CHRBITS 8 /* bits in a chr; must not use sizeof */ |
| | 92 | # define CHR_MIN 0x00 /* smallest and largest chr; the value */ |
| | 93 | # define CHR_MAX 0xff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ |
| | 94 | #elif SIZEOF_WCHAR_T == 4 |
| | 95 | # define CHRBITS 32 /* bits in a chr; must not use sizeof */ |
| | 96 | # define CHR_MIN 0x00000000 /* smallest and largest chr; the value */ |
| | 97 | # define CHR_MAX 0xffffffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ |
| | 98 | #else |
| | 99 | # define CHRBITS 16 /* bits in a chr; must not use sizeof */ |
| | 100 | # define CHR_MIN 0x0000 /* smallest and largest chr; the value */ |
| | 101 | # define CHR_MAX 0xffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ |
| | 102 | #endif |
| | 103 | |
| | 104 | /* |
| | 105 | * I'm using isalpha et al. instead of wxIsalpha since BCC 5.5's iswalpha |
| | 106 | * seems not to work on Windows 9x? Note that these are only used by the |
| | 107 | * lexer, and although they must work for wxChars, they need only return |
| | 108 | * true for characters within the ascii range. |
| | 109 | */ |
| | 110 | #define iscalnum(x) ((wxUChar)(x) < 128 && isalnum(x)) |
| | 111 | #define iscalpha(x) ((wxUChar)(x) < 128 && isalpha(x)) |
| | 112 | #define iscdigit(x) ((wxUChar)(x) < 128 && isdigit(x)) |
| | 113 | #define iscspace(x) ((wxUChar)(x) < 128 && isspace(x)) |
| | 114 | |
| | 115 | /* name the external functions */ |
| | 116 | #define compile re_comp |
| | 117 | #define exec re_exec |
| | 118 | |
| | 119 | /* enable/disable debugging code (by whether REG_DEBUG is defined or not) */ |
| | 120 | #if 0 /* no debug unless requested by makefile */ |
| | 121 | #define REG_DEBUG /* */ |
| | 122 | #endif |
| | 123 | |
| | 124 | /* and pick up the standard header */ |
| | 125 | #include "regex.h" |
projects / wxWidgets.git / blame_incremental