/[pcre]/code/trunk/pcreposix.h
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Revision 518 - (hide annotations) (download)
Tue May 18 15:47:01 2010 UTC (4 years, 7 months ago) by ph10
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File size: 5452 byte(s)
Added PCRE_UCP and related stuff to make \w etc use Unicode properties.

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 388 Copyright (c) 1997-2009 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 ph10 432 /* Options, mostly defined by POSIX, but with some extras. */
54 nigel 3
55 ph10 432 #define REG_ICASE 0x0001 /* Maps to PCRE_CASELESS */
56     #define REG_NEWLINE 0x0002 /* Maps to PCRE_MULTILINE */
57     #define REG_NOTBOL 0x0004 /* Maps to PCRE_NOTBOL */
58     #define REG_NOTEOL 0x0008 /* Maps to PCRE_NOTEOL */
59     #define REG_DOTALL 0x0010 /* NOT defined by POSIX; maps to PCRE_DOTALL */
60     #define REG_NOSUB 0x0020 /* Maps to PCRE_NO_AUTO_CAPTURE */
61     #define REG_UTF8 0x0040 /* NOT defined by POSIX; maps to PCRE_UTF8 */
62 ph10 332 #define REG_STARTEND 0x0080 /* BSD feature: pass subject string by so,eo */
63 ph10 432 #define REG_NOTEMPTY 0x0100 /* NOT defined by POSIX; maps to PCRE_NOTEMPTY */
64     #define REG_UNGREEDY 0x0200 /* NOT defined by POSIX; maps to PCRE_UNGREEDY */
65 ph10 518 #define REG_UCP 0x0400 /* NOT defined by POSIX; maps to PCRE_UCP */
66 nigel 3
67 nigel 87 /* This is not used by PCRE, but by defining it we make it easier
68 nigel 43 to slot PCRE into existing programs that make POSIX calls. */
69    
70     #define REG_EXTENDED 0
71    
72 nigel 3 /* Error values. Not all these are relevant or used by the wrapper. */
73    
74     enum {
75     REG_ASSERT = 1, /* internal error ? */
76     REG_BADBR, /* invalid repeat counts in {} */
77     REG_BADPAT, /* pattern error */
78     REG_BADRPT, /* ? * + invalid */
79     REG_EBRACE, /* unbalanced {} */
80     REG_EBRACK, /* unbalanced [] */
81     REG_ECOLLATE, /* collation error - not relevant */
82     REG_ECTYPE, /* bad class */
83     REG_EESCAPE, /* bad escape sequence */
84     REG_EMPTY, /* empty expression */
85     REG_EPAREN, /* unbalanced () */
86     REG_ERANGE, /* bad range inside [] */
87     REG_ESIZE, /* expression too big */
88     REG_ESPACE, /* failed to get memory */
89     REG_ESUBREG, /* bad back reference */
90     REG_INVARG, /* bad argument */
91     REG_NOMATCH /* match failed */
92     };
93    
94    
95     /* The structure representing a compiled regular expression. */
96    
97     typedef struct {
98     void *re_pcre;
99     size_t re_nsub;
100     size_t re_erroffset;
101     } regex_t;
102    
103     /* The structure in which a captured offset is returned. */
104    
105     typedef int regoff_t;
106    
107     typedef struct {
108     regoff_t rm_so;
109     regoff_t rm_eo;
110     } regmatch_t;
111    
112 ph10 145 /* When an application links to a PCRE DLL in Windows, the symbols that are
113     imported have to be identified as such. When building PCRE, the appropriate
114 ph10 200 export settings are needed, and are set in pcreposix.c before including this
115 ph10 199 file. */
116 nigel 89
117 ph10 199 #if defined(_WIN32) && !defined(PCRE_STATIC) && !defined(PCREPOSIX_EXP_DECL)
118     # define PCREPOSIX_EXP_DECL extern __declspec(dllimport)
119     # define PCREPOSIX_EXP_DEFN __declspec(dllimport)
120 nigel 89 #endif
121    
122 ph10 145 /* By default, we use the standard "extern" declarations. */
123 nigel 89
124 ph10 145 #ifndef PCREPOSIX_EXP_DECL
125 nigel 89 # ifdef __cplusplus
126 ph10 145 # define PCREPOSIX_EXP_DECL extern "C"
127     # define PCREPOSIX_EXP_DEFN extern "C"
128 nigel 89 # else
129 ph10 145 # define PCREPOSIX_EXP_DECL extern
130     # define PCREPOSIX_EXP_DEFN extern
131 nigel 89 # endif
132     #endif
133    
134 nigel 3 /* The functions */
135    
136 ph10 145 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
137     PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
138     regmatch_t *, int);
139     PCREPOSIX_EXP_DECL size_t regerror(int, const regex_t *, char *, size_t);
140     PCREPOSIX_EXP_DECL void regfree(regex_t *);
141 nigel 3
142 nigel 15 #ifdef __cplusplus
143     } /* extern "C" */
144     #endif
145    
146 nigel 3 #endif /* End of pcreposix.h */

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