/[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 77 - (hide annotations) (download)
Sat Feb 24 21:40:45 2007 UTC (7 years, 6 months ago) by nigel
Original Path: code/trunk/pcreposix.h
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Load pcre-6.0 into code/trunk.

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 nigel 77 Copyright (c) 1997-2005 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 3 /* Options defined by POSIX. */
54    
55     #define REG_ICASE 0x01
56     #define REG_NEWLINE 0x02
57     #define REG_NOTBOL 0x04
58     #define REG_NOTEOL 0x08
59    
60 nigel 77 /* Additional options, not defined by POSIX, but somebody wanted them. */
61    
62     #define REG_DOTALL 0x10
63    
64 nigel 43 /* These are not used by PCRE, but by defining them we make it easier
65     to slot PCRE into existing programs that make POSIX calls. */
66    
67     #define REG_EXTENDED 0
68     #define REG_NOSUB 0
69    
70 nigel 3 /* 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     /* The functions */
111    
112     extern int regcomp(regex_t *, const char *, int);
113 nigel 69 extern int regexec(const regex_t *, const char *, size_t, regmatch_t *, int);
114 nigel 3 extern size_t regerror(int, const regex_t *, char *, size_t);
115     extern void regfree(regex_t *);
116    
117 nigel 15 #ifdef __cplusplus
118     } /* extern "C" */
119     #endif
120    
121 nigel 3 #endif /* End of pcreposix.h */

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