1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
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
12 Copyright (c) 1997-2009 University of Cambridge
14 -----------------------------------------------------------------------------
15 Redistribution and use in source and binary forms, with or without
16 modification, are permitted provided that the following conditions are met:
18 * Redistributions of source code must retain the above copyright notice,
19 this list of conditions and the following disclaimer.
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.
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.
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
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40 -----------------------------------------------------------------------------
43 /* Have to include stdlib.h in order to ensure that size_t is defined. */
47 /* Allow for C++ users */
53 /* Options, mostly defined by POSIX, but with a couple of extras. */
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. */
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. */
68 #define REG_EXTENDED 0
70 /* Error values. Not all these are relevant or used by the wrapper. */
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 */
93 /* The structure representing a compiled regular expression. */
101 /* The structure in which a captured offset is returned. */
103 typedef int regoff_t;
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
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)
120 /* By default, we use the standard "extern" declarations. */
122 #ifndef PCREPOSIX_EXP_DECL
124 # define PCREPOSIX_EXP_DECL extern "C"
125 # define PCREPOSIX_EXP_DEFN extern "C"
127 # define PCREPOSIX_EXP_DECL extern
128 # define PCREPOSIX_EXP_DEFN extern
134 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
135 PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
137 PCREPOSIX_EXP_DECL size_t regerror(int, const regex_t *, char *, size_t);
138 PCREPOSIX_EXP_DECL void regfree(regex_t *);
144 #endif /* End of pcreposix.h */
