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652bbafa VZ |
1 | #ifndef _REGEX_H_ |
2 | #define _REGEX_H_ /* never again */ | |
d37acbdf RN |
3 | /* |
4 | * regular expressions | |
5 | * | |
6 | * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. | |
7 | * | |
8 | * Development of this software was funded, in part, by Cray Research Inc., | |
9 | * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics | |
10 | * Corporation, none of whom are responsible for the results. The author | |
11 | * thanks all of them. | |
12 | * | |
13 | * Redistribution and use in source and binary forms -- with or without | |
14 | * modification -- are permitted for any purpose, provided that | |
15 | * redistributions in source form retain this entire copyright notice and | |
16 | * indicate the origin and nature of any modifications. | |
17 | * | |
18 | * I'd appreciate being given credit for this package in the documentation | |
19 | * of software which uses it, but that is not a requirement. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
22 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | |
23 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
24 | * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
27 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
29 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
30 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
31 | * | |
32 | * $Id$ | |
33 | */ | |
34 | ||
35 | /* | |
36 | * Add your own defines, if needed, here. | |
37 | */ | |
652bbafa VZ |
38 | #ifdef __cplusplus |
39 | extern "C" { | |
40 | #endif | |
41 | ||
d37acbdf RN |
42 | #include <sys/types.h> |
43 | #include <stdio.h> | |
44 | #include <stdlib.h> | |
45 | ||
46 | #ifndef wxCHECK_GCC_VERSION | |
47 | #define wxCHECK_GCC_VERSION( major, minor ) \ | |
48 | ( defined(__GNUC__) && defined(__GNUC_MINOR__) \ | |
49 | && ( ( __GNUC__ > (major) ) \ | |
50 | || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) ) | |
51 | #endif | |
52 | ||
53 | #if !wxUSE_UNICODE | |
54 | # define wx_wchar char | |
55 | #else // Unicode | |
56 | #if (defined(__GNUC__) && !wxCHECK_GCC_VERSION(2, 96)) | |
57 | # define wx_wchar __WCHAR_TYPE__ | |
58 | #else // __WCHAR_TYPE__ and gcc < 2.96 | |
59 | // standard case | |
60 | # define wx_wchar wchar_t | |
61 | #endif // __WCHAR_TYPE__ | |
62 | #endif // ASCII/Unicode | |
63 | ||
64 | /* | |
65 | * interface types etc. | |
66 | */ | |
67 | ||
68 | /* | |
69 | * regoff_t has to be large enough to hold either off_t or ssize_t, | |
70 | * and must be signed; it's only a guess that long is suitable. | |
71 | */ | |
72 | typedef long regoff_t; | |
73 | ||
74 | /* | |
75 | * other interface types | |
76 | */ | |
77 | ||
78 | /* the biggie, a compiled RE (or rather, a front end to same) */ | |
79 | typedef struct | |
80 | { | |
81 | int re_magic; /* magic number */ | |
82 | size_t re_nsub; /* number of subexpressions */ | |
83 | long re_info; /* information about RE */ | |
84 | #define REG_UBACKREF 000001 | |
85 | #define REG_ULOOKAHEAD 000002 | |
86 | #define REG_UBOUNDS 000004 | |
87 | #define REG_UBRACES 000010 | |
88 | #define REG_UBSALNUM 000020 | |
89 | #define REG_UPBOTCH 000040 | |
90 | #define REG_UBBS 000100 | |
91 | #define REG_UNONPOSIX 000200 | |
92 | #define REG_UUNSPEC 000400 | |
93 | #define REG_UUNPORT 001000 | |
94 | #define REG_ULOCALE 002000 | |
95 | #define REG_UEMPTYMATCH 004000 | |
96 | #define REG_UIMPOSSIBLE 010000 | |
97 | #define REG_USHORTEST 020000 | |
98 | int re_csize; /* sizeof(character) */ | |
99 | char *re_endp; /* backward compatibility kludge */ | |
100 | /* the rest is opaque pointers to hidden innards */ | |
101 | char *re_guts; /* `char *' is more portable than `void *' */ | |
102 | char *re_fns; | |
652bbafa | 103 | } regex_t; |
d37acbdf RN |
104 | |
105 | /* result reporting (may acquire more fields later) */ | |
106 | typedef struct | |
107 | { | |
108 | regoff_t rm_so; /* start of substring */ | |
109 | regoff_t rm_eo; /* end of substring */ | |
652bbafa VZ |
110 | } regmatch_t; |
111 | ||
d37acbdf RN |
112 | /* supplementary control and reporting */ |
113 | typedef struct | |
114 | { | |
115 | regmatch_t rm_extend; /* see REG_EXPECT */ | |
116 | } rm_detail_t; | |
652bbafa | 117 | |
652bbafa VZ |
118 | |
119 | ||
d37acbdf RN |
120 | /* |
121 | * regex compilation flags | |
122 | */ | |
123 | #define REG_BASIC 000000 /* BREs (convenience) */ | |
124 | #define REG_EXTENDED 000001 /* EREs */ | |
125 | #define REG_ADVF 000002 /* advanced features in EREs */ | |
126 | #define REG_ADVANCED 000003 /* AREs (which are also EREs) */ | |
127 | #define REG_QUOTE 000004 /* no special characters, none */ | |
128 | #define REG_NOSPEC REG_QUOTE /* historical synonym */ | |
129 | #define REG_ICASE 000010 /* ignore case */ | |
130 | #define REG_NOSUB 000020 /* don't care about subexpressions */ | |
131 | #define REG_EXPANDED 000040 /* expanded format, white space & comments */ | |
132 | #define REG_NLSTOP 000100 /* \n doesn't match . or [^ ] */ | |
133 | #define REG_NLANCH 000200 /* ^ matches after \n, $ before */ | |
134 | #define REG_NEWLINE 000300 /* newlines are line terminators */ | |
135 | #define REG_PEND 000400 /* ugh -- backward-compatibility hack */ | |
136 | #define REG_EXPECT 001000 /* report details on partial/limited | |
137 | * matches */ | |
138 | #define REG_BOSONLY 002000 /* temporary kludge for BOS-only matches */ | |
139 | #define REG_DUMP 004000 /* none of your business :-) */ | |
140 | #define REG_FAKE 010000 /* none of your business :-) */ | |
141 | #define REG_PROGRESS 020000 /* none of your business :-) */ | |
652bbafa VZ |
142 | |
143 | ||
d37acbdf RN |
144 | |
145 | /* | |
146 | * regex execution flags | |
147 | */ | |
148 | #define REG_NOTBOL 0001 /* BOS is not BOL */ | |
149 | #define REG_NOTEOL 0002 /* EOS is not EOL */ | |
150 | #define REG_STARTEND 0004 /* backward compatibility kludge */ | |
151 | #define REG_FTRACE 0010 /* none of your business */ | |
152 | #define REG_MTRACE 0020 /* none of your business */ | |
153 | #define REG_SMALL 0040 /* none of your business */ | |
154 | ||
155 | ||
156 | /* | |
157 | * error reporting | |
158 | * Be careful if modifying the list of error codes -- the table used by | |
159 | * regerror() is generated automatically from this file! | |
160 | */ | |
161 | #define REG_OKAY 0 /* no errors detected */ | |
162 | #define REG_NOMATCH 1 /* failed to match */ | |
163 | #define REG_BADPAT 2 /* invalid regexp */ | |
164 | #define REG_ECOLLATE 3 /* invalid collating element */ | |
165 | #define REG_ECTYPE 4 /* invalid character class */ | |
166 | #define REG_EESCAPE 5 /* invalid escape \ sequence */ | |
167 | #define REG_ESUBREG 6 /* invalid backreference number */ | |
168 | #define REG_EBRACK 7 /* brackets [] not balanced */ | |
169 | #define REG_EPAREN 8 /* parentheses () not balanced */ | |
170 | #define REG_EBRACE 9 /* braces {} not balanced */ | |
171 | #define REG_BADBR 10 /* invalid repetition count(s) */ | |
172 | #define REG_ERANGE 11 /* invalid character range */ | |
173 | #define REG_ESPACE 12 /* out of memory */ | |
174 | #define REG_BADRPT 13 /* quantifier operand invalid */ | |
175 | #define REG_ASSERT 15 /* "can't happen" -- you found a bug */ | |
176 | #define REG_INVARG 16 /* invalid argument to regex function */ | |
177 | #define REG_MIXED 17 /* character widths of regex and string | |
178 | * differ */ | |
179 | #define REG_BADOPT 18 /* invalid embedded option */ | |
180 | /* two specials for debugging and testing */ | |
181 | #define REG_ATOI 101 /* convert error-code name to number */ | |
182 | #define REG_ITOA 102 /* convert error-code number to name */ | |
183 | ||
184 | ||
185 | ||
186 | /* | |
187 | * the prototypes for exported functions | |
188 | */ | |
189 | extern int wx_regcomp(regex_t *, const wx_wchar *, size_t, int); | |
190 | extern int regcomp(regex_t *, const wx_wchar *, int); | |
191 | extern int wx_regexec(regex_t *, const wx_wchar *, size_t, rm_detail_t *, size_t, regmatch_t[], int); | |
192 | extern int regexec(regex_t *, const wx_wchar *, size_t, regmatch_t[], int); | |
652bbafa | 193 | extern void regfree(regex_t *); |
d37acbdf RN |
194 | extern size_t regerror(int, const regex_t *, char *, size_t); |
195 | extern void wx_regfree(regex_t *); | |
196 | extern size_t wx_regerror(int, const regex_t *, char *, size_t); | |
652bbafa VZ |
197 | |
198 | #ifdef __cplusplus | |
199 | } | |
200 | #endif | |
d37acbdf RN |
201 | |
202 | #endif /* _REGEX_H_ */ |