Annotation of embedaddon/php/ext/pcre/pcrelib/pcre.h, revision 1.1.1.1
1.1 misho 1: /*************************************************
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: Copyright (c) 1997-2010 University of Cambridge
9:
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 8
45: #define PCRE_MINOR 12
46: #define PCRE_PRERELEASE
47: #define PCRE_DATE 2011-01-15
48:
49: /* 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: don't change existing definitions of PCRE_EXP_DECL and PCRECPP_EXP_DECL. */
53:
54: #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: # endif
62: # ifndef PCRECPP_EXP_DEFN
63: # define PCRECPP_EXP_DEFN __declspec(dllimport)
64: # endif
65: # endif
66: #endif
67:
68: /* By default, we use the standard "extern" declarations. */
69:
70: #ifndef PCRE_EXP_DECL
71: # ifdef __cplusplus
72: # define PCRE_EXP_DECL extern "C"
73: # else
74: # define PCRE_EXP_DECL extern
75: # endif
76: #endif
77:
78: #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: /* 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: /* Options. Some are compile-time only, some are run-time only, and some are
99: both, so we keep them all distinct. However, almost all the bits in the options
100: word are now used. In the long run, we may have to re-use some of the
101: compile-time only bits for runtime options, or vice versa. */
102:
103: #define PCRE_CASELESS 0x00000001 /* Compile */
104: #define PCRE_MULTILINE 0x00000002 /* Compile */
105: #define PCRE_DOTALL 0x00000004 /* Compile */
106: #define PCRE_EXTENDED 0x00000008 /* Compile */
107: #define PCRE_ANCHORED 0x00000010 /* Compile, exec, DFA exec */
108: #define PCRE_DOLLAR_ENDONLY 0x00000020 /* Compile */
109: #define PCRE_EXTRA 0x00000040 /* Compile */
110: #define PCRE_NOTBOL 0x00000080 /* Exec, DFA exec */
111: #define PCRE_NOTEOL 0x00000100 /* Exec, DFA exec */
112: #define PCRE_UNGREEDY 0x00000200 /* Compile */
113: #define PCRE_NOTEMPTY 0x00000400 /* Exec, DFA exec */
114: #define PCRE_UTF8 0x00000800 /* Compile */
115: #define PCRE_NO_AUTO_CAPTURE 0x00001000 /* Compile */
116: #define PCRE_NO_UTF8_CHECK 0x00002000 /* Compile, exec, DFA exec */
117: #define PCRE_AUTO_CALLOUT 0x00004000 /* Compile */
118: #define PCRE_PARTIAL_SOFT 0x00008000 /* Exec, DFA exec */
119: #define PCRE_PARTIAL 0x00008000 /* Backwards compatible synonym */
120: #define PCRE_DFA_SHORTEST 0x00010000 /* DFA exec */
121: #define PCRE_DFA_RESTART 0x00020000 /* DFA exec */
122: #define PCRE_FIRSTLINE 0x00040000 /* Compile */
123: #define PCRE_DUPNAMES 0x00080000 /* Compile */
124: #define PCRE_NEWLINE_CR 0x00100000 /* Compile, exec, DFA exec */
125: #define PCRE_NEWLINE_LF 0x00200000 /* Compile, exec, DFA exec */
126: #define PCRE_NEWLINE_CRLF 0x00300000 /* Compile, exec, DFA exec */
127: #define PCRE_NEWLINE_ANY 0x00400000 /* Compile, exec, DFA exec */
128: #define PCRE_NEWLINE_ANYCRLF 0x00500000 /* Compile, exec, DFA exec */
129: #define PCRE_BSR_ANYCRLF 0x00800000 /* Compile, exec, DFA exec */
130: #define PCRE_BSR_UNICODE 0x01000000 /* Compile, exec, DFA exec */
131: #define PCRE_JAVASCRIPT_COMPAT 0x02000000 /* Compile */
132: #define PCRE_NO_START_OPTIMIZE 0x04000000 /* Compile, exec, DFA exec */
133: #define PCRE_NO_START_OPTIMISE 0x04000000 /* Synonym */
134: #define PCRE_PARTIAL_HARD 0x08000000 /* Exec, DFA exec */
135: #define PCRE_NOTEMPTY_ATSTART 0x10000000 /* Exec, DFA exec */
136: #define PCRE_UCP 0x20000000 /* Compile */
137:
138: /* Exec-time and get/set-time error codes */
139:
140: #define PCRE_ERROR_NOMATCH (-1)
141: #define PCRE_ERROR_NULL (-2)
142: #define PCRE_ERROR_BADOPTION (-3)
143: #define PCRE_ERROR_BADMAGIC (-4)
144: #define PCRE_ERROR_UNKNOWN_OPCODE (-5)
145: #define PCRE_ERROR_UNKNOWN_NODE (-5) /* For backward compatibility */
146: #define PCRE_ERROR_NOMEMORY (-6)
147: #define PCRE_ERROR_NOSUBSTRING (-7)
148: #define PCRE_ERROR_MATCHLIMIT (-8)
149: #define PCRE_ERROR_CALLOUT (-9) /* Never used by PCRE itself */
150: #define PCRE_ERROR_BADUTF8 (-10)
151: #define PCRE_ERROR_BADUTF8_OFFSET (-11)
152: #define PCRE_ERROR_PARTIAL (-12)
153: #define PCRE_ERROR_BADPARTIAL (-13)
154: #define PCRE_ERROR_INTERNAL (-14)
155: #define PCRE_ERROR_BADCOUNT (-15)
156: #define PCRE_ERROR_DFA_UITEM (-16)
157: #define PCRE_ERROR_DFA_UCOND (-17)
158: #define PCRE_ERROR_DFA_UMLIMIT (-18)
159: #define PCRE_ERROR_DFA_WSSIZE (-19)
160: #define PCRE_ERROR_DFA_RECURSE (-20)
161: #define PCRE_ERROR_RECURSIONLIMIT (-21)
162: #define PCRE_ERROR_NULLWSLIMIT (-22) /* No longer actually used */
163: #define PCRE_ERROR_BADNEWLINE (-23)
164: #define PCRE_ERROR_BADOFFSET (-24)
165: #define PCRE_ERROR_SHORTUTF8 (-25)
166:
167: /* Request types for pcre_fullinfo() */
168:
169: #define PCRE_INFO_OPTIONS 0
170: #define PCRE_INFO_SIZE 1
171: #define PCRE_INFO_CAPTURECOUNT 2
172: #define PCRE_INFO_BACKREFMAX 3
173: #define PCRE_INFO_FIRSTBYTE 4
174: #define PCRE_INFO_FIRSTCHAR 4 /* For backwards compatibility */
175: #define PCRE_INFO_FIRSTTABLE 5
176: #define PCRE_INFO_LASTLITERAL 6
177: #define PCRE_INFO_NAMEENTRYSIZE 7
178: #define PCRE_INFO_NAMECOUNT 8
179: #define PCRE_INFO_NAMETABLE 9
180: #define PCRE_INFO_STUDYSIZE 10
181: #define PCRE_INFO_DEFAULT_TABLES 11
182: #define PCRE_INFO_OKPARTIAL 12
183: #define PCRE_INFO_JCHANGED 13
184: #define PCRE_INFO_HASCRORLF 14
185: #define PCRE_INFO_MINLENGTH 15
186:
187: /* Request types for pcre_config(). Do not re-arrange, in order to remain
188: compatible. */
189:
190: #define PCRE_CONFIG_UTF8 0
191: #define PCRE_CONFIG_NEWLINE 1
192: #define PCRE_CONFIG_LINK_SIZE 2
193: #define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3
194: #define PCRE_CONFIG_MATCH_LIMIT 4
195: #define PCRE_CONFIG_STACKRECURSE 5
196: #define PCRE_CONFIG_UNICODE_PROPERTIES 6
197: #define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7
198: #define PCRE_CONFIG_BSR 8
199:
200: /* Bit flags for the pcre_extra structure. Do not re-arrange or redefine
201: these bits, just add new ones on the end, in order to remain compatible. */
202:
203: #define PCRE_EXTRA_STUDY_DATA 0x0001
204: #define PCRE_EXTRA_MATCH_LIMIT 0x0002
205: #define PCRE_EXTRA_CALLOUT_DATA 0x0004
206: #define PCRE_EXTRA_TABLES 0x0008
207: #define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010
208: #define PCRE_EXTRA_MARK 0x0020
209:
210: /* Types */
211:
212: struct real_pcre; /* declaration; the definition is private */
213: typedef struct real_pcre pcre;
214:
215: /* When PCRE is compiled as a C++ library, the subject pointer type can be
216: replaced with a custom type. For conventional use, the public interface is a
217: const char *. */
218:
219: #ifndef PCRE_SPTR
220: #define PCRE_SPTR const char *
221: #endif
222:
223: /* The structure for passing additional data to pcre_exec(). This is defined in
224: such as way as to be extensible. Always add new fields at the end, in order to
225: remain compatible. */
226:
227: typedef struct pcre_extra {
228: unsigned long int flags; /* Bits for which fields are set */
229: void *study_data; /* Opaque data from pcre_study() */
230: unsigned long int match_limit; /* Maximum number of calls to match() */
231: void *callout_data; /* Data passed back in callouts */
232: const unsigned char *tables; /* Pointer to character tables */
233: unsigned long int match_limit_recursion; /* Max recursive calls to match() */
234: unsigned char **mark; /* For passing back a mark pointer */
235: } pcre_extra;
236:
237: /* The structure for passing out data via the pcre_callout_function. We use a
238: structure so that new fields can be added on the end in future versions,
239: without changing the API of the function, thereby allowing old clients to work
240: without modification. */
241:
242: typedef struct pcre_callout_block {
243: int version; /* Identifies version of block */
244: /* ------------------------ Version 0 ------------------------------- */
245: int callout_number; /* Number compiled into pattern */
246: int *offset_vector; /* The offset vector */
247: PCRE_SPTR subject; /* The subject being matched */
248: int subject_length; /* The length of the subject */
249: int start_match; /* Offset to start of this match attempt */
250: int current_position; /* Where we currently are in the subject */
251: int capture_top; /* Max current capture */
252: int capture_last; /* Most recently closed capture */
253: void *callout_data; /* Data passed in with the call */
254: /* ------------------- Added for Version 1 -------------------------- */
255: int pattern_position; /* Offset to next item in the pattern */
256: int next_item_length; /* Length of next item in the pattern */
257: /* ------------------------------------------------------------------ */
258: } pcre_callout_block;
259:
260: /* Indirection for store get and free functions. These can be set to
261: alternative malloc/free functions if required. Special ones are used in the
262: non-recursive case for "frames". There is also an optional callout function
263: that is triggered by the (?) regex item. For Virtual Pascal, these definitions
264: have to take another form. */
265:
266: #ifndef VPCOMPAT
267: PCRE_EXP_DECL void *(*pcre_malloc)(size_t);
268: PCRE_EXP_DECL void (*pcre_free)(void *);
269: PCRE_EXP_DECL void *(*pcre_stack_malloc)(size_t);
270: PCRE_EXP_DECL void (*pcre_stack_free)(void *);
271: PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block *);
272: #else /* VPCOMPAT */
273: PCRE_EXP_DECL void *pcre_malloc(size_t);
274: PCRE_EXP_DECL void pcre_free(void *);
275: PCRE_EXP_DECL void *pcre_stack_malloc(size_t);
276: PCRE_EXP_DECL void pcre_stack_free(void *);
277: PCRE_EXP_DECL int pcre_callout(pcre_callout_block *);
278: #endif /* VPCOMPAT */
279:
280: /* Exported PCRE functions */
281:
282: PCRE_EXP_DECL pcre *pcre_compile(const char *, int, const char **, int *,
283: const unsigned char *);
284: PCRE_EXP_DECL pcre *pcre_compile2(const char *, int, int *, const char **,
285: int *, const unsigned char *);
286: PCRE_EXP_DECL int pcre_config(int, void *);
287: PCRE_EXP_DECL int pcre_copy_named_substring(const pcre *, const char *,
288: int *, int, const char *, char *, int);
289: PCRE_EXP_DECL int pcre_copy_substring(const char *, int *, int, int, char *,
290: int);
291: PCRE_EXP_DECL int pcre_dfa_exec(const pcre *, const pcre_extra *,
292: const char *, int, int, int, int *, int , int *, int);
293: PCRE_EXP_DECL int pcre_exec(const pcre *, const pcre_extra *, PCRE_SPTR,
294: int, int, int, int *, int);
295: PCRE_EXP_DECL void pcre_free_substring(const char *);
296: PCRE_EXP_DECL void pcre_free_substring_list(const char **);
297: PCRE_EXP_DECL int pcre_fullinfo(const pcre *, const pcre_extra *, int,
298: void *);
299: PCRE_EXP_DECL int pcre_get_named_substring(const pcre *, const char *,
300: int *, int, const char *, const char **);
301: PCRE_EXP_DECL int pcre_get_stringnumber(const pcre *, const char *);
302: PCRE_EXP_DECL int pcre_get_stringtable_entries(const pcre *, const char *,
303: char **, char **);
304: PCRE_EXP_DECL int pcre_get_substring(const char *, int *, int, int,
305: const char **);
306: PCRE_EXP_DECL int pcre_get_substring_list(const char *, int *, int,
307: const char ***);
308: PCRE_EXP_DECL int pcre_info(const pcre *, int *, int *);
309: PCRE_EXP_DECL const unsigned char *pcre_maketables(void);
310: PCRE_EXP_DECL int pcre_refcount(pcre *, int);
311: PCRE_EXP_DECL pcre_extra *pcre_study(const pcre *, int, const char **);
312: PCRE_EXP_DECL const char *pcre_version(void);
313:
314: #ifdef __cplusplus
315: } /* extern "C" */
316: #endif
317:
318: #endif /* End of pcre.h */
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