/[pcre]/code/tags/pcre-8.20/pcreposix.h
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Contents of /code/tags/pcre-8.20/pcreposix.h

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Revision 388 - (show annotations)
Wed Mar 11 17:03:17 2009 UTC (6 years, 5 months ago) by ph10
Original Path: code/trunk/pcreposix.h
File MIME type: text/plain
File size: 5088 byte(s)
Error occurred while calculating annotation data.
Added REG_NOTEMPTY to the POSIX wrapper.
1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
4
5 #ifndef _PCREPOSIX_H
6 #define _PCREPOSIX_H
7
8 /* This is the header for the POSIX wrapper interface to the PCRE Perl-
9 Compatible Regular Expression library. It defines the things POSIX says should
10 be there. I hope.
11
12 Copyright (c) 1997-2009 University of Cambridge
13
14 -----------------------------------------------------------------------------
15 Redistribution and use in source and binary forms, with or without
16 modification, are permitted provided that the following conditions are met:
17
18 * Redistributions of source code must retain the above copyright notice,
19 this list of conditions and the following disclaimer.
20
21 * Redistributions in binary form must reproduce the above copyright
22 notice, this list of conditions and the following disclaimer in the
23 documentation and/or other materials provided with the distribution.
24
25 * Neither the name of the University of Cambridge nor the names of its
26 contributors may be used to endorse or promote products derived from
27 this software without specific prior written permission.
28
29 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
30 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 POSSIBILITY OF SUCH DAMAGE.
40 -----------------------------------------------------------------------------
41 */
42
43 /* Have to include stdlib.h in order to ensure that size_t is defined. */
44
45 #include <stdlib.h>
46
47 /* Allow for C++ users */
48
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52
53 /* Options, mostly defined by POSIX, but with a couple of extras. */
54
55 #define REG_ICASE 0x0001
56 #define REG_NEWLINE 0x0002
57 #define REG_NOTBOL 0x0004
58 #define REG_NOTEOL 0x0008
59 #define REG_DOTALL 0x0010 /* NOT defined by POSIX. */
60 #define REG_NOSUB 0x0020
61 #define REG_UTF8 0x0040 /* NOT defined by POSIX. */
62 #define REG_STARTEND 0x0080 /* BSD feature: pass subject string by so,eo */
63 #define REG_NOTEMPTY 0x0100 /* NOT defined by POSIX. */
64
65 /* This is not used by PCRE, but by defining it we make it easier
66 to slot PCRE into existing programs that make POSIX calls. */
67
68 #define REG_EXTENDED 0
69
70 /* Error values. Not all these are relevant or used by the wrapper. */
71
72 enum {
73 REG_ASSERT = 1, /* internal error ? */
74 REG_BADBR, /* invalid repeat counts in {} */
75 REG_BADPAT, /* pattern error */
76 REG_BADRPT, /* ? * + invalid */
77 REG_EBRACE, /* unbalanced {} */
78 REG_EBRACK, /* unbalanced [] */
79 REG_ECOLLATE, /* collation error - not relevant */
80 REG_ECTYPE, /* bad class */
81 REG_EESCAPE, /* bad escape sequence */
82 REG_EMPTY, /* empty expression */
83 REG_EPAREN, /* unbalanced () */
84 REG_ERANGE, /* bad range inside [] */
85 REG_ESIZE, /* expression too big */
86 REG_ESPACE, /* failed to get memory */
87 REG_ESUBREG, /* bad back reference */
88 REG_INVARG, /* bad argument */
89 REG_NOMATCH /* match failed */
90 };
91
92
93 /* The structure representing a compiled regular expression. */
94
95 typedef struct {
96 void *re_pcre;
97 size_t re_nsub;
98 size_t re_erroffset;
99 } regex_t;
100
101 /* The structure in which a captured offset is returned. */
102
103 typedef int regoff_t;
104
105 typedef struct {
106 regoff_t rm_so;
107 regoff_t rm_eo;
108 } regmatch_t;
109
110 /* When an application links to a PCRE DLL in Windows, the symbols that are
111 imported have to be identified as such. When building PCRE, the appropriate
112 export settings are needed, and are set in pcreposix.c before including this
113 file. */
114
115 #if defined(_WIN32) && !defined(PCRE_STATIC) && !defined(PCREPOSIX_EXP_DECL)
116 # define PCREPOSIX_EXP_DECL extern __declspec(dllimport)
117 # define PCREPOSIX_EXP_DEFN __declspec(dllimport)
118 #endif
119
120 /* By default, we use the standard "extern" declarations. */
121
122 #ifndef PCREPOSIX_EXP_DECL
123 # ifdef __cplusplus
124 # define PCREPOSIX_EXP_DECL extern "C"
125 # define PCREPOSIX_EXP_DEFN extern "C"
126 # else
127 # define PCREPOSIX_EXP_DECL extern
128 # define PCREPOSIX_EXP_DEFN extern
129 # endif
130 #endif
131
132 /* The functions */
133
134 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
135 PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
136 regmatch_t *, int);
137 PCREPOSIX_EXP_DECL size_t regerror(int, const regex_t *, char *, size_t);
138 PCREPOSIX_EXP_DECL void regfree(regex_t *);
139
140 #ifdef __cplusplus
141 } /* extern "C" */
142 #endif
143
144 #endif /* End of pcreposix.h */

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