/[pcre]/code/trunk/pcreposix.h
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Revision 332 - (hide annotations) (download)
Sat Apr 5 16:11:05 2008 UTC (6 years, 8 months ago) by ph10
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File size: 5029 byte(s)
Alan Lehotsky's patch for REG_STARTEND.

1 nigel 3 /*************************************************
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 nigel 75 be there. I hope.
11 nigel 3
12 ph10 305 Copyright (c) 1997-2008 University of Cambridge
13 nigel 75
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 nigel 3 /* Have to include stdlib.h in order to ensure that size_t is defined. */
44    
45     #include <stdlib.h>
46    
47 nigel 15 /* Allow for C++ users */
48    
49     #ifdef __cplusplus
50     extern "C" {
51     #endif
52    
53 nigel 87 /* Options, mostly defined by POSIX, but with a couple of extras. */
54 nigel 3
55 nigel 87 #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 ph10 332 #define REG_STARTEND 0x0080 /* BSD feature: pass subject string by so,eo */
63 nigel 3
64 nigel 87 /* This is not used by PCRE, but by defining it we make it easier
65 nigel 43 to slot PCRE into existing programs that make POSIX calls. */
66    
67     #define REG_EXTENDED 0
68    
69 nigel 3 /* Error values. Not all these are relevant or used by the wrapper. */
70    
71     enum {
72     REG_ASSERT = 1, /* internal error ? */
73     REG_BADBR, /* invalid repeat counts in {} */
74     REG_BADPAT, /* pattern error */
75     REG_BADRPT, /* ? * + invalid */
76     REG_EBRACE, /* unbalanced {} */
77     REG_EBRACK, /* unbalanced [] */
78     REG_ECOLLATE, /* collation error - not relevant */
79     REG_ECTYPE, /* bad class */
80     REG_EESCAPE, /* bad escape sequence */
81     REG_EMPTY, /* empty expression */
82     REG_EPAREN, /* unbalanced () */
83     REG_ERANGE, /* bad range inside [] */
84     REG_ESIZE, /* expression too big */
85     REG_ESPACE, /* failed to get memory */
86     REG_ESUBREG, /* bad back reference */
87     REG_INVARG, /* bad argument */
88     REG_NOMATCH /* match failed */
89     };
90    
91    
92     /* The structure representing a compiled regular expression. */
93    
94     typedef struct {
95     void *re_pcre;
96     size_t re_nsub;
97     size_t re_erroffset;
98     } regex_t;
99    
100     /* The structure in which a captured offset is returned. */
101    
102     typedef int regoff_t;
103    
104     typedef struct {
105     regoff_t rm_so;
106     regoff_t rm_eo;
107     } regmatch_t;
108    
109 ph10 145 /* When an application links to a PCRE DLL in Windows, the symbols that are
110     imported have to be identified as such. When building PCRE, the appropriate
111 ph10 200 export settings are needed, and are set in pcreposix.c before including this
112 ph10 199 file. */
113 nigel 89
114 ph10 199 #if defined(_WIN32) && !defined(PCRE_STATIC) && !defined(PCREPOSIX_EXP_DECL)
115     # define PCREPOSIX_EXP_DECL extern __declspec(dllimport)
116     # define PCREPOSIX_EXP_DEFN __declspec(dllimport)
117 nigel 89 #endif
118    
119 ph10 145 /* By default, we use the standard "extern" declarations. */
120 nigel 89
121 ph10 145 #ifndef PCREPOSIX_EXP_DECL
122 nigel 89 # ifdef __cplusplus
123 ph10 145 # define PCREPOSIX_EXP_DECL extern "C"
124     # define PCREPOSIX_EXP_DEFN extern "C"
125 nigel 89 # else
126 ph10 145 # define PCREPOSIX_EXP_DECL extern
127     # define PCREPOSIX_EXP_DEFN extern
128 nigel 89 # endif
129     #endif
130    
131 nigel 3 /* The functions */
132    
133 ph10 145 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
134     PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
135     regmatch_t *, int);
136     PCREPOSIX_EXP_DECL size_t regerror(int, const regex_t *, char *, size_t);
137     PCREPOSIX_EXP_DECL void regfree(regex_t *);
138 nigel 3
139 nigel 15 #ifdef __cplusplus
140     } /* extern "C" */
141     #endif
142    
143 nigel 3 #endif /* End of pcreposix.h */

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