/[pcre]/code/trunk/pcre.h.in
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Revision 510 - (hide annotations) (download)
Sat Mar 27 17:45:29 2010 UTC (4 years, 8 months ago) by ph10
File size: 13034 byte(s)
Add support for *MARK and names for *PRUNE, *SKIP, *THEN.

1 ph10 97 /*************************************************
2     * Perl-Compatible Regular Expressions *
3     *************************************************/
4    
5     /* This is the public header file for the PCRE library, to be #included by
6     applications that call the PCRE functions.
7    
8 ph10 389 Copyright (c) 1997-2009 University of Cambridge
9 ph10 97
10     -----------------------------------------------------------------------------
11     Redistribution and use in source and binary forms, with or without
12     modification, are permitted provided that the following conditions are met:
13    
14     * Redistributions of source code must retain the above copyright notice,
15     this list of conditions and the following disclaimer.
16    
17     * Redistributions in binary form must reproduce the above copyright
18     notice, this list of conditions and the following disclaimer in the
19     documentation and/or other materials provided with the distribution.
20    
21     * Neither the name of the University of Cambridge nor the names of its
22     contributors may be used to endorse or promote products derived from
23     this software without specific prior written permission.
24    
25     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28     ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29     LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35     POSSIBILITY OF SUCH DAMAGE.
36     -----------------------------------------------------------------------------
37     */
38    
39     #ifndef _PCRE_H
40     #define _PCRE_H
41    
42     /* The current PCRE version information. */
43    
44     #define PCRE_MAJOR @PCRE_MAJOR@
45     #define PCRE_MINOR @PCRE_MINOR@
46     #define PCRE_PRERELEASE @PCRE_PRERELEASE@
47     #define PCRE_DATE @PCRE_DATE@
48    
49 ph10 145 /* When an application links to a PCRE DLL in Windows, the symbols that are
50     imported have to be identified as such. When building PCRE, the appropriate
51     export setting is defined in pcre_internal.h, which includes this file. So we
52 ph10 199 don't change existing definitions of PCRE_EXP_DECL and PCRECPP_EXP_DECL. */
53 ph10 97
54 ph10 199 #if defined(_WIN32) && !defined(PCRE_STATIC)
55     # ifndef PCRE_EXP_DECL
56     # define PCRE_EXP_DECL extern __declspec(dllimport)
57     # endif
58     # ifdef __cplusplus
59     # ifndef PCRECPP_EXP_DECL
60     # define PCRECPP_EXP_DECL extern __declspec(dllimport)
61 ph10 97 # endif
62 ph10 199 # ifndef PCRECPP_EXP_DEFN
63     # define PCRECPP_EXP_DEFN __declspec(dllimport)
64     # endif
65 ph10 97 # endif
66     #endif
67    
68 ph10 145 /* By default, we use the standard "extern" declarations. */
69 ph10 97
70 ph10 145 #ifndef PCRE_EXP_DECL
71 ph10 97 # ifdef __cplusplus
72 ph10 199 # define PCRE_EXP_DECL extern "C"
73 ph10 97 # else
74 ph10 199 # define PCRE_EXP_DECL extern
75 ph10 97 # endif
76     #endif
77    
78 ph10 199 #ifdef __cplusplus
79     # ifndef PCRECPP_EXP_DECL
80     # define PCRECPP_EXP_DECL extern
81     # endif
82     # ifndef PCRECPP_EXP_DEFN
83     # define PCRECPP_EXP_DEFN
84     # endif
85     #endif
86    
87 ph10 97 /* Have to include stdlib.h in order to ensure that size_t is defined;
88     it is needed here for malloc. */
89    
90     #include <stdlib.h>
91    
92     /* Allow for C++ users */
93    
94     #ifdef __cplusplus
95     extern "C" {
96     #endif
97    
98 ph10 392 /* Options. Some are compile-time only, some are run-time only, and some are
99 ph10 389 both, so we keep them all distinct. */
100 ph10 97
101     #define PCRE_CASELESS 0x00000001
102     #define PCRE_MULTILINE 0x00000002
103     #define PCRE_DOTALL 0x00000004
104     #define PCRE_EXTENDED 0x00000008
105     #define PCRE_ANCHORED 0x00000010
106     #define PCRE_DOLLAR_ENDONLY 0x00000020
107     #define PCRE_EXTRA 0x00000040
108     #define PCRE_NOTBOL 0x00000080
109     #define PCRE_NOTEOL 0x00000100
110     #define PCRE_UNGREEDY 0x00000200
111     #define PCRE_NOTEMPTY 0x00000400
112     #define PCRE_UTF8 0x00000800
113     #define PCRE_NO_AUTO_CAPTURE 0x00001000
114     #define PCRE_NO_UTF8_CHECK 0x00002000
115     #define PCRE_AUTO_CALLOUT 0x00004000
116 ph10 427 #define PCRE_PARTIAL_SOFT 0x00008000
117     #define PCRE_PARTIAL 0x00008000 /* Backwards compatible synonym */
118 ph10 97 #define PCRE_DFA_SHORTEST 0x00010000
119     #define PCRE_DFA_RESTART 0x00020000
120     #define PCRE_FIRSTLINE 0x00040000
121     #define PCRE_DUPNAMES 0x00080000
122     #define PCRE_NEWLINE_CR 0x00100000
123     #define PCRE_NEWLINE_LF 0x00200000
124     #define PCRE_NEWLINE_CRLF 0x00300000
125     #define PCRE_NEWLINE_ANY 0x00400000
126 ph10 149 #define PCRE_NEWLINE_ANYCRLF 0x00500000
127 ph10 231 #define PCRE_BSR_ANYCRLF 0x00800000
128     #define PCRE_BSR_UNICODE 0x01000000
129 ph10 337 #define PCRE_JAVASCRIPT_COMPAT 0x02000000
130 ph10 389 #define PCRE_NO_START_OPTIMIZE 0x04000000
131     #define PCRE_NO_START_OPTIMISE 0x04000000
132 ph10 427 #define PCRE_PARTIAL_HARD 0x08000000
133 ph10 442 #define PCRE_NOTEMPTY_ATSTART 0x10000000
134 ph10 97
135     /* Exec-time and get/set-time error codes */
136    
137     #define PCRE_ERROR_NOMATCH (-1)
138     #define PCRE_ERROR_NULL (-2)
139     #define PCRE_ERROR_BADOPTION (-3)
140     #define PCRE_ERROR_BADMAGIC (-4)
141     #define PCRE_ERROR_UNKNOWN_OPCODE (-5)
142     #define PCRE_ERROR_UNKNOWN_NODE (-5) /* For backward compatibility */
143     #define PCRE_ERROR_NOMEMORY (-6)
144     #define PCRE_ERROR_NOSUBSTRING (-7)
145     #define PCRE_ERROR_MATCHLIMIT (-8)
146     #define PCRE_ERROR_CALLOUT (-9) /* Never used by PCRE itself */
147     #define PCRE_ERROR_BADUTF8 (-10)
148     #define PCRE_ERROR_BADUTF8_OFFSET (-11)
149     #define PCRE_ERROR_PARTIAL (-12)
150     #define PCRE_ERROR_BADPARTIAL (-13)
151     #define PCRE_ERROR_INTERNAL (-14)
152     #define PCRE_ERROR_BADCOUNT (-15)
153     #define PCRE_ERROR_DFA_UITEM (-16)
154     #define PCRE_ERROR_DFA_UCOND (-17)
155     #define PCRE_ERROR_DFA_UMLIMIT (-18)
156     #define PCRE_ERROR_DFA_WSSIZE (-19)
157     #define PCRE_ERROR_DFA_RECURSE (-20)
158     #define PCRE_ERROR_RECURSIONLIMIT (-21)
159 ph10 233 #define PCRE_ERROR_NULLWSLIMIT (-22) /* No longer actually used */
160 ph10 97 #define PCRE_ERROR_BADNEWLINE (-23)
161    
162     /* Request types for pcre_fullinfo() */
163    
164     #define PCRE_INFO_OPTIONS 0
165     #define PCRE_INFO_SIZE 1
166     #define PCRE_INFO_CAPTURECOUNT 2
167     #define PCRE_INFO_BACKREFMAX 3
168     #define PCRE_INFO_FIRSTBYTE 4
169     #define PCRE_INFO_FIRSTCHAR 4 /* For backwards compatibility */
170     #define PCRE_INFO_FIRSTTABLE 5
171     #define PCRE_INFO_LASTLITERAL 6
172     #define PCRE_INFO_NAMEENTRYSIZE 7
173     #define PCRE_INFO_NAMECOUNT 8
174     #define PCRE_INFO_NAMETABLE 9
175     #define PCRE_INFO_STUDYSIZE 10
176     #define PCRE_INFO_DEFAULT_TABLES 11
177 ph10 169 #define PCRE_INFO_OKPARTIAL 12
178     #define PCRE_INFO_JCHANGED 13
179 ph10 226 #define PCRE_INFO_HASCRORLF 14
180 ph10 455 #define PCRE_INFO_MINLENGTH 15
181 ph10 97
182     /* Request types for pcre_config(). Do not re-arrange, in order to remain
183     compatible. */
184    
185     #define PCRE_CONFIG_UTF8 0
186     #define PCRE_CONFIG_NEWLINE 1
187     #define PCRE_CONFIG_LINK_SIZE 2
188     #define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3
189     #define PCRE_CONFIG_MATCH_LIMIT 4
190     #define PCRE_CONFIG_STACKRECURSE 5
191     #define PCRE_CONFIG_UNICODE_PROPERTIES 6
192     #define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7
193 ph10 231 #define PCRE_CONFIG_BSR 8
194 ph10 97
195     /* Bit flags for the pcre_extra structure. Do not re-arrange or redefine
196     these bits, just add new ones on the end, in order to remain compatible. */
197    
198     #define PCRE_EXTRA_STUDY_DATA 0x0001
199     #define PCRE_EXTRA_MATCH_LIMIT 0x0002
200     #define PCRE_EXTRA_CALLOUT_DATA 0x0004
201     #define PCRE_EXTRA_TABLES 0x0008
202     #define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010
203 ph10 510 #define PCRE_EXTRA_MARK 0x0020
204 ph10 97
205     /* Types */
206    
207     struct real_pcre; /* declaration; the definition is private */
208     typedef struct real_pcre pcre;
209    
210     /* When PCRE is compiled as a C++ library, the subject pointer type can be
211     replaced with a custom type. For conventional use, the public interface is a
212     const char *. */
213    
214     #ifndef PCRE_SPTR
215     #define PCRE_SPTR const char *
216     #endif
217    
218     /* The structure for passing additional data to pcre_exec(). This is defined in
219     such as way as to be extensible. Always add new fields at the end, in order to
220     remain compatible. */
221    
222     typedef struct pcre_extra {
223     unsigned long int flags; /* Bits for which fields are set */
224     void *study_data; /* Opaque data from pcre_study() */
225     unsigned long int match_limit; /* Maximum number of calls to match() */
226     void *callout_data; /* Data passed back in callouts */
227     const unsigned char *tables; /* Pointer to character tables */
228     unsigned long int match_limit_recursion; /* Max recursive calls to match() */
229 ph10 510 unsigned char **mark; /* For passing back a mark pointer */
230 ph10 97 } pcre_extra;
231    
232     /* The structure for passing out data via the pcre_callout_function. We use a
233     structure so that new fields can be added on the end in future versions,
234     without changing the API of the function, thereby allowing old clients to work
235     without modification. */
236    
237     typedef struct pcre_callout_block {
238     int version; /* Identifies version of block */
239     /* ------------------------ Version 0 ------------------------------- */
240     int callout_number; /* Number compiled into pattern */
241     int *offset_vector; /* The offset vector */
242     PCRE_SPTR subject; /* The subject being matched */
243     int subject_length; /* The length of the subject */
244     int start_match; /* Offset to start of this match attempt */
245     int current_position; /* Where we currently are in the subject */
246     int capture_top; /* Max current capture */
247     int capture_last; /* Most recently closed capture */
248     void *callout_data; /* Data passed in with the call */
249     /* ------------------- Added for Version 1 -------------------------- */
250     int pattern_position; /* Offset to next item in the pattern */
251     int next_item_length; /* Length of next item in the pattern */
252     /* ------------------------------------------------------------------ */
253     } pcre_callout_block;
254    
255     /* Indirection for store get and free functions. These can be set to
256     alternative malloc/free functions if required. Special ones are used in the
257     non-recursive case for "frames". There is also an optional callout function
258     that is triggered by the (?) regex item. For Virtual Pascal, these definitions
259     have to take another form. */
260    
261     #ifndef VPCOMPAT
262 ph10 145 PCRE_EXP_DECL void *(*pcre_malloc)(size_t);
263     PCRE_EXP_DECL void (*pcre_free)(void *);
264     PCRE_EXP_DECL void *(*pcre_stack_malloc)(size_t);
265     PCRE_EXP_DECL void (*pcre_stack_free)(void *);
266     PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block *);
267 ph10 97 #else /* VPCOMPAT */
268 ph10 145 PCRE_EXP_DECL void *pcre_malloc(size_t);
269     PCRE_EXP_DECL void pcre_free(void *);
270     PCRE_EXP_DECL void *pcre_stack_malloc(size_t);
271     PCRE_EXP_DECL void pcre_stack_free(void *);
272     PCRE_EXP_DECL int pcre_callout(pcre_callout_block *);
273 ph10 97 #endif /* VPCOMPAT */
274    
275     /* Exported PCRE functions */
276    
277 ph10 145 PCRE_EXP_DECL pcre *pcre_compile(const char *, int, const char **, int *,
278 ph10 97 const unsigned char *);
279 ph10 145 PCRE_EXP_DECL pcre *pcre_compile2(const char *, int, int *, const char **,
280 ph10 97 int *, const unsigned char *);
281 ph10 145 PCRE_EXP_DECL int pcre_config(int, void *);
282     PCRE_EXP_DECL int pcre_copy_named_substring(const pcre *, const char *,
283 ph10 97 int *, int, const char *, char *, int);
284 ph10 145 PCRE_EXP_DECL int pcre_copy_substring(const char *, int *, int, int, char *,
285 ph10 97 int);
286 ph10 145 PCRE_EXP_DECL int pcre_dfa_exec(const pcre *, const pcre_extra *,
287 ph10 97 const char *, int, int, int, int *, int , int *, int);
288 ph10 145 PCRE_EXP_DECL int pcre_exec(const pcre *, const pcre_extra *, PCRE_SPTR,
289 ph10 97 int, int, int, int *, int);
290 ph10 145 PCRE_EXP_DECL void pcre_free_substring(const char *);
291     PCRE_EXP_DECL void pcre_free_substring_list(const char **);
292     PCRE_EXP_DECL int pcre_fullinfo(const pcre *, const pcre_extra *, int,
293 ph10 97 void *);
294 ph10 145 PCRE_EXP_DECL int pcre_get_named_substring(const pcre *, const char *,
295 ph10 97 int *, int, const char *, const char **);
296 ph10 145 PCRE_EXP_DECL int pcre_get_stringnumber(const pcre *, const char *);
297     PCRE_EXP_DECL int pcre_get_stringtable_entries(const pcre *, const char *,
298 ph10 97 char **, char **);
299 ph10 145 PCRE_EXP_DECL int pcre_get_substring(const char *, int *, int, int,
300 ph10 97 const char **);
301 ph10 145 PCRE_EXP_DECL int pcre_get_substring_list(const char *, int *, int,
302 ph10 97 const char ***);
303 ph10 145 PCRE_EXP_DECL int pcre_info(const pcre *, int *, int *);
304     PCRE_EXP_DECL const unsigned char *pcre_maketables(void);
305     PCRE_EXP_DECL int pcre_refcount(pcre *, int);
306     PCRE_EXP_DECL pcre_extra *pcre_study(const pcre *, int, const char **);
307     PCRE_EXP_DECL const char *pcre_version(void);
308 ph10 97
309     #ifdef __cplusplus
310     } /* extern "C" */
311     #endif
312    
313     #endif /* End of pcre.h */

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