/[pcre]/code/trunk/pcreposix.h
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Contents of /code/trunk/pcreposix.h

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Revision 199 - (hide annotations) (download)
Tue Jul 31 14:39:09 2007 UTC (7 years, 4 months ago) by ph10
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File size: 4951 byte(s)
Daniel's patch for config.h and Windows DLL declarations (not fully working).

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 117 Copyright (c) 1997-2007 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 nigel 3
63 nigel 87 /* This is not used by PCRE, but by defining it we make it easier
64 nigel 43 to slot PCRE into existing programs that make POSIX calls. */
65    
66     #define REG_EXTENDED 0
67    
68 nigel 3 /* Error values. Not all these are relevant or used by the wrapper. */
69    
70     enum {
71     REG_ASSERT = 1, /* internal error ? */
72     REG_BADBR, /* invalid repeat counts in {} */
73     REG_BADPAT, /* pattern error */
74     REG_BADRPT, /* ? * + invalid */
75     REG_EBRACE, /* unbalanced {} */
76     REG_EBRACK, /* unbalanced [] */
77     REG_ECOLLATE, /* collation error - not relevant */
78     REG_ECTYPE, /* bad class */
79     REG_EESCAPE, /* bad escape sequence */
80     REG_EMPTY, /* empty expression */
81     REG_EPAREN, /* unbalanced () */
82     REG_ERANGE, /* bad range inside [] */
83     REG_ESIZE, /* expression too big */
84     REG_ESPACE, /* failed to get memory */
85     REG_ESUBREG, /* bad back reference */
86     REG_INVARG, /* bad argument */
87     REG_NOMATCH /* match failed */
88     };
89    
90    
91     /* The structure representing a compiled regular expression. */
92    
93     typedef struct {
94     void *re_pcre;
95     size_t re_nsub;
96     size_t re_erroffset;
97     } regex_t;
98    
99     /* The structure in which a captured offset is returned. */
100    
101     typedef int regoff_t;
102    
103     typedef struct {
104     regoff_t rm_so;
105     regoff_t rm_eo;
106     } regmatch_t;
107    
108 ph10 145 /* When an application links to a PCRE DLL in Windows, the symbols that are
109     imported have to be identified as such. When building PCRE, the appropriate
110 ph10 199 export settings are needed, and are set in pcreposix.c before including this
111     file. */
112 nigel 89
113 ph10 199 #if defined(_WIN32) && !defined(PCRE_STATIC) && !defined(PCREPOSIX_EXP_DECL)
114     # define PCREPOSIX_EXP_DECL extern __declspec(dllimport)
115     # define PCREPOSIX_EXP_DEFN __declspec(dllimport)
116 nigel 89 #endif
117    
118 ph10 145 /* By default, we use the standard "extern" declarations. */
119 nigel 89
120 ph10 145 #ifndef PCREPOSIX_EXP_DECL
121 nigel 89 # ifdef __cplusplus
122 ph10 145 # define PCREPOSIX_EXP_DECL extern "C"
123     # define PCREPOSIX_EXP_DEFN extern "C"
124 nigel 89 # else
125 ph10 145 # define PCREPOSIX_EXP_DECL extern
126     # define PCREPOSIX_EXP_DEFN extern
127 nigel 89 # endif
128     #endif
129    
130 nigel 3 /* The functions */
131    
132 ph10 145 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
133     PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
134     regmatch_t *, int);
135     PCREPOSIX_EXP_DECL size_t regerror(int, const regex_t *, char *, size_t);
136     PCREPOSIX_EXP_DECL void regfree(regex_t *);
137 nigel 3
138 nigel 15 #ifdef __cplusplus
139     } /* extern "C" */
140     #endif
141    
142 nigel 3 #endif /* End of pcreposix.h */

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