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c0a7edde | 1 | /* |
3ca4086b VS |
2 | * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. |
3 | * | |
c0a7edde RN |
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 | |
3ca4086b VS |
7 | * thanks all of them. |
8 | * | |
c0a7edde RN |
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. | |
3ca4086b | 13 | * |
c0a7edde RN |
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. | |
3ca4086b | 16 | * |
c0a7edde RN |
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. | |
c0a7edde RN |
27 | */ |
28 | ||
3ca4086b | 29 | /* overrides for regguts.h definitions, if any */ |
1701c4d4 VS |
30 | /* regguts only includes standard headers if NULL is not defined, so do it |
31 | * ourselves here */ | |
32 | #include <stdio.h> | |
33 | #include <stdlib.h> | |
34 | #include <ctype.h> | |
35 | #include <limits.h> | |
36 | #include <string.h> | |
c0a7edde | 37 | |
63effd42 | 38 | /* must include this after ctype.h inclusion for CodeWarrior/Mac */ |
ac6178d7 | 39 | #include "wx/defs.h" |
e713a90b | 40 | #include "wx/chartype.h" |
52de37c7 | 41 | #include "wx/wxcrtbase.h" |
63effd42 | 42 | |
3ca4086b VS |
43 | /* |
44 | * Do not insert extras between the "begin" and "end" lines -- this | |
45 | * chunk is automatically extracted to be fitted into regex.h. | |
46 | */ | |
47 | /* --- begin --- */ | |
48 | /* ensure certain things don't sneak in from system headers */ | |
49 | #ifdef __REG_WIDE_T | |
50 | #undef __REG_WIDE_T | |
51 | #endif | |
52 | #ifdef __REG_WIDE_COMPILE | |
53 | #undef __REG_WIDE_COMPILE | |
54 | #endif | |
55 | #ifdef __REG_WIDE_EXEC | |
56 | #undef __REG_WIDE_EXEC | |
57 | #endif | |
58 | #ifdef __REG_REGOFF_T | |
59 | #undef __REG_REGOFF_T | |
60 | #endif | |
61 | #ifdef __REG_VOID_T | |
62 | #undef __REG_VOID_T | |
63 | #endif | |
64 | #ifdef __REG_CONST | |
65 | #undef __REG_CONST | |
66 | #endif | |
67 | #ifdef __REG_NOFRONT | |
68 | #undef __REG_NOFRONT | |
69 | #endif | |
70 | #ifdef __REG_NOCHAR | |
71 | #undef __REG_NOCHAR | |
72 | #endif | |
1701c4d4 VS |
73 | #if wxUSE_UNICODE |
74 | # define __REG_WIDE_T wxChar | |
2af7511e VZ |
75 | # define __REG_WIDE_COMPILE wx_re_comp |
76 | # define __REG_WIDE_EXEC wx_re_exec | |
1701c4d4 VS |
77 | # define __REG_NOCHAR /* don't want the char versions */ |
78 | #endif | |
79 | #define __REG_NOFRONT /* don't want regcomp() and regexec() */ | |
80 | #define _ANSI_ARGS_(x) x | |
3ca4086b | 81 | /* --- end --- */ |
c0a7edde | 82 | |
3ca4086b | 83 | /* internal character type and related */ |
1701c4d4 VS |
84 | typedef wxChar chr; /* the type itself */ |
85 | typedef int pchr; /* what it promotes to */ | |
86 | typedef unsigned uchr; /* unsigned type that will hold a chr */ | |
87 | typedef int celt; /* type to hold chr, MCCE number, or NOCELT */ | |
88 | #define NOCELT (-1) /* celt value which is not valid chr or MCCE */ | |
89 | #define UCHAR(c) ((unsigned char) (c)) | |
90 | #define CHR(c) (UCHAR(c)) /* turn char literal into chr literal */ | |
91 | #define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */ | |
92 | #if !wxUSE_UNICODE | |
93 | # define CHRBITS 8 /* bits in a chr; must not use sizeof */ | |
94 | # define CHR_MIN 0x00 /* smallest and largest chr; the value */ | |
95 | # define CHR_MAX 0xff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ | |
96 | #elif SIZEOF_WCHAR_T == 4 | |
97 | # define CHRBITS 32 /* bits in a chr; must not use sizeof */ | |
98 | # define CHR_MIN 0x00000000 /* smallest and largest chr; the value */ | |
99 | # define CHR_MAX 0xffffffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ | |
3ca4086b | 100 | #else |
1701c4d4 VS |
101 | # define CHRBITS 16 /* bits in a chr; must not use sizeof */ |
102 | # define CHR_MIN 0x0000 /* smallest and largest chr; the value */ | |
103 | # define CHR_MAX 0xffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */ | |
3ca4086b | 104 | #endif |
c0a7edde | 105 | |
1701c4d4 VS |
106 | /* |
107 | * I'm using isalpha et al. instead of wxIsalpha since BCC 5.5's iswalpha | |
108 | * seems not to work on Windows 9x? Note that these are only used by the | |
109 | * lexer, and although they must work for wxChars, they need only return | |
110 | * true for characters within the ascii range. | |
111 | */ | |
112 | #define iscalnum(x) ((wxUChar)(x) < 128 && isalnum(x)) | |
113 | #define iscalpha(x) ((wxUChar)(x) < 128 && isalpha(x)) | |
114 | #define iscdigit(x) ((wxUChar)(x) < 128 && isdigit(x)) | |
115 | #define iscspace(x) ((wxUChar)(x) < 128 && isspace(x)) | |
c0a7edde | 116 | |
3ca4086b | 117 | /* name the external functions */ |
2af7511e VZ |
118 | #define compile wx_re_comp |
119 | #define exec wx_re_exec | |
3ca4086b VS |
120 | |
121 | /* enable/disable debugging code (by whether REG_DEBUG is defined or not) */ | |
1701c4d4 VS |
122 | #if 0 /* no debug unless requested by makefile */ |
123 | #define REG_DEBUG /* */ | |
3ca4086b | 124 | #endif |
b8f896a1 | 125 | |
c0a7edde RN |
126 | /* and pick up the standard header */ |
127 | #include "regex.h" |