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) 1997-2011 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 @PCRE_MAJOR@
45: #define PCRE_MINOR @PCRE_MINOR@
46: #define PCRE_PRERELEASE @PCRE_PRERELEASE@
47: #define PCRE_DATE @PCRE_DATE@
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. In the comments
102: below, "compile", "exec", and "DFA exec" mean that the option is permitted to
103: be set for those functions; "used in" means that an option may be set only for
104: compile, but is subsequently referenced in exec and/or DFA exec. Any of the
105: compile-time options may be inspected during studying (and therefore JIT
106: compiling). */
107:
108: #define PCRE_CASELESS 0x00000001 /* Compile */
109: #define PCRE_MULTILINE 0x00000002 /* Compile */
110: #define PCRE_DOTALL 0x00000004 /* Compile */
111: #define PCRE_EXTENDED 0x00000008 /* Compile */
112: #define PCRE_ANCHORED 0x00000010 /* Compile, exec, DFA exec */
113: #define PCRE_DOLLAR_ENDONLY 0x00000020 /* Compile, used in exec, DFA exec */
114: #define PCRE_EXTRA 0x00000040 /* Compile */
115: #define PCRE_NOTBOL 0x00000080 /* Exec, DFA exec */
116: #define PCRE_NOTEOL 0x00000100 /* Exec, DFA exec */
117: #define PCRE_UNGREEDY 0x00000200 /* Compile */
118: #define PCRE_NOTEMPTY 0x00000400 /* Exec, DFA exec */
119: #define PCRE_UTF8 0x00000800 /* Compile, used in exec, DFA exec */
120: #define PCRE_NO_AUTO_CAPTURE 0x00001000 /* Compile */
121: #define PCRE_NO_UTF8_CHECK 0x00002000 /* Compile, exec, DFA exec */
122: #define PCRE_AUTO_CALLOUT 0x00004000 /* Compile */
123: #define PCRE_PARTIAL_SOFT 0x00008000 /* Exec, DFA exec */
124: #define PCRE_PARTIAL 0x00008000 /* Backwards compatible synonym */
125: #define PCRE_DFA_SHORTEST 0x00010000 /* DFA exec */
126: #define PCRE_DFA_RESTART 0x00020000 /* DFA exec */
127: #define PCRE_FIRSTLINE 0x00040000 /* Compile, used in exec, DFA exec */
128: #define PCRE_DUPNAMES 0x00080000 /* Compile */
129: #define PCRE_NEWLINE_CR 0x00100000 /* Compile, exec, DFA exec */
130: #define PCRE_NEWLINE_LF 0x00200000 /* Compile, exec, DFA exec */
131: #define PCRE_NEWLINE_CRLF 0x00300000 /* Compile, exec, DFA exec */
132: #define PCRE_NEWLINE_ANY 0x00400000 /* Compile, exec, DFA exec */
133: #define PCRE_NEWLINE_ANYCRLF 0x00500000 /* Compile, exec, DFA exec */
134: #define PCRE_BSR_ANYCRLF 0x00800000 /* Compile, exec, DFA exec */
135: #define PCRE_BSR_UNICODE 0x01000000 /* Compile, exec, DFA exec */
136: #define PCRE_JAVASCRIPT_COMPAT 0x02000000 /* Compile, used in exec */
137: #define PCRE_NO_START_OPTIMIZE 0x04000000 /* Compile, exec, DFA exec */
138: #define PCRE_NO_START_OPTIMISE 0x04000000 /* Synonym */
139: #define PCRE_PARTIAL_HARD 0x08000000 /* Exec, DFA exec */
140: #define PCRE_NOTEMPTY_ATSTART 0x10000000 /* Exec, DFA exec */
141: #define PCRE_UCP 0x20000000 /* Compile, used in exec, DFA exec */
142:
143: /* Exec-time and get/set-time error codes */
144:
145: #define PCRE_ERROR_NOMATCH (-1)
146: #define PCRE_ERROR_NULL (-2)
147: #define PCRE_ERROR_BADOPTION (-3)
148: #define PCRE_ERROR_BADMAGIC (-4)
149: #define PCRE_ERROR_UNKNOWN_OPCODE (-5)
150: #define PCRE_ERROR_UNKNOWN_NODE (-5) /* For backward compatibility */
151: #define PCRE_ERROR_NOMEMORY (-6)
152: #define PCRE_ERROR_NOSUBSTRING (-7)
153: #define PCRE_ERROR_MATCHLIMIT (-8)
154: #define PCRE_ERROR_CALLOUT (-9) /* Never used by PCRE itself */
155: #define PCRE_ERROR_BADUTF8 (-10)
156: #define PCRE_ERROR_BADUTF8_OFFSET (-11)
157: #define PCRE_ERROR_PARTIAL (-12)
158: #define PCRE_ERROR_BADPARTIAL (-13)
159: #define PCRE_ERROR_INTERNAL (-14)
160: #define PCRE_ERROR_BADCOUNT (-15)
161: #define PCRE_ERROR_DFA_UITEM (-16)
162: #define PCRE_ERROR_DFA_UCOND (-17)
163: #define PCRE_ERROR_DFA_UMLIMIT (-18)
164: #define PCRE_ERROR_DFA_WSSIZE (-19)
165: #define PCRE_ERROR_DFA_RECURSE (-20)
166: #define PCRE_ERROR_RECURSIONLIMIT (-21)
167: #define PCRE_ERROR_NULLWSLIMIT (-22) /* No longer actually used */
168: #define PCRE_ERROR_BADNEWLINE (-23)
169: #define PCRE_ERROR_BADOFFSET (-24)
170: #define PCRE_ERROR_SHORTUTF8 (-25)
171: #define PCRE_ERROR_RECURSELOOP (-26)
172: #define PCRE_ERROR_JIT_STACKLIMIT (-27)
173:
174: /* Specific error codes for UTF-8 validity checks */
175:
176: #define PCRE_UTF8_ERR0 0
177: #define PCRE_UTF8_ERR1 1
178: #define PCRE_UTF8_ERR2 2
179: #define PCRE_UTF8_ERR3 3
180: #define PCRE_UTF8_ERR4 4
181: #define PCRE_UTF8_ERR5 5
182: #define PCRE_UTF8_ERR6 6
183: #define PCRE_UTF8_ERR7 7
184: #define PCRE_UTF8_ERR8 8
185: #define PCRE_UTF8_ERR9 9
186: #define PCRE_UTF8_ERR10 10
187: #define PCRE_UTF8_ERR11 11
188: #define PCRE_UTF8_ERR12 12
189: #define PCRE_UTF8_ERR13 13
190: #define PCRE_UTF8_ERR14 14
191: #define PCRE_UTF8_ERR15 15
192: #define PCRE_UTF8_ERR16 16
193: #define PCRE_UTF8_ERR17 17
194: #define PCRE_UTF8_ERR18 18
195: #define PCRE_UTF8_ERR19 19
196: #define PCRE_UTF8_ERR20 20
197: #define PCRE_UTF8_ERR21 21
198:
199: /* Request types for pcre_fullinfo() */
200:
201: #define PCRE_INFO_OPTIONS 0
202: #define PCRE_INFO_SIZE 1
203: #define PCRE_INFO_CAPTURECOUNT 2
204: #define PCRE_INFO_BACKREFMAX 3
205: #define PCRE_INFO_FIRSTBYTE 4
206: #define PCRE_INFO_FIRSTCHAR 4 /* For backwards compatibility */
207: #define PCRE_INFO_FIRSTTABLE 5
208: #define PCRE_INFO_LASTLITERAL 6
209: #define PCRE_INFO_NAMEENTRYSIZE 7
210: #define PCRE_INFO_NAMECOUNT 8
211: #define PCRE_INFO_NAMETABLE 9
212: #define PCRE_INFO_STUDYSIZE 10
213: #define PCRE_INFO_DEFAULT_TABLES 11
214: #define PCRE_INFO_OKPARTIAL 12
215: #define PCRE_INFO_JCHANGED 13
216: #define PCRE_INFO_HASCRORLF 14
217: #define PCRE_INFO_MINLENGTH 15
218: #define PCRE_INFO_JIT 16
219: #define PCRE_INFO_JITSIZE 17
220:
221: /* Request types for pcre_config(). Do not re-arrange, in order to remain
222: compatible. */
223:
224: #define PCRE_CONFIG_UTF8 0
225: #define PCRE_CONFIG_NEWLINE 1
226: #define PCRE_CONFIG_LINK_SIZE 2
227: #define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3
228: #define PCRE_CONFIG_MATCH_LIMIT 4
229: #define PCRE_CONFIG_STACKRECURSE 5
230: #define PCRE_CONFIG_UNICODE_PROPERTIES 6
231: #define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7
232: #define PCRE_CONFIG_BSR 8
233: #define PCRE_CONFIG_JIT 9
234:
235: /* Request types for pcre_study(). Do not re-arrange, in order to remain
236: compatible. */
237:
238: #define PCRE_STUDY_JIT_COMPILE 0x0001
239:
240: /* Bit flags for the pcre_extra structure. Do not re-arrange or redefine
241: these bits, just add new ones on the end, in order to remain compatible. */
242:
243: #define PCRE_EXTRA_STUDY_DATA 0x0001
244: #define PCRE_EXTRA_MATCH_LIMIT 0x0002
245: #define PCRE_EXTRA_CALLOUT_DATA 0x0004
246: #define PCRE_EXTRA_TABLES 0x0008
247: #define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010
248: #define PCRE_EXTRA_MARK 0x0020
249: #define PCRE_EXTRA_EXECUTABLE_JIT 0x0040
250:
251: /* Types */
252:
253: struct real_pcre; /* declaration; the definition is private */
254: typedef struct real_pcre pcre;
255:
256: struct real_pcre_jit_stack; /* declaration; the definition is private */
257: typedef struct real_pcre_jit_stack pcre_jit_stack;
258:
259: /* When PCRE is compiled as a C++ library, the subject pointer type can be
260: replaced with a custom type. For conventional use, the public interface is a
261: const char *. */
262:
263: #ifndef PCRE_SPTR
264: #define PCRE_SPTR const char *
265: #endif
266:
267: /* The structure for passing additional data to pcre_exec(). This is defined in
268: such as way as to be extensible. Always add new fields at the end, in order to
269: remain compatible. */
270:
271: typedef struct pcre_extra {
272: unsigned long int flags; /* Bits for which fields are set */
273: void *study_data; /* Opaque data from pcre_study() */
274: unsigned long int match_limit; /* Maximum number of calls to match() */
275: void *callout_data; /* Data passed back in callouts */
276: const unsigned char *tables; /* Pointer to character tables */
277: unsigned long int match_limit_recursion; /* Max recursive calls to match() */
278: unsigned char **mark; /* For passing back a mark pointer */
279: void *executable_jit; /* Contains a pointer to a compiled jit code */
280: } pcre_extra;
281:
282: /* The structure for passing out data via the pcre_callout_function. We use a
283: structure so that new fields can be added on the end in future versions,
284: without changing the API of the function, thereby allowing old clients to work
285: without modification. */
286:
287: typedef struct pcre_callout_block {
288: int version; /* Identifies version of block */
289: /* ------------------------ Version 0 ------------------------------- */
290: int callout_number; /* Number compiled into pattern */
291: int *offset_vector; /* The offset vector */
292: PCRE_SPTR subject; /* The subject being matched */
293: int subject_length; /* The length of the subject */
294: int start_match; /* Offset to start of this match attempt */
295: int current_position; /* Where we currently are in the subject */
296: int capture_top; /* Max current capture */
297: int capture_last; /* Most recently closed capture */
298: void *callout_data; /* Data passed in with the call */
299: /* ------------------- Added for Version 1 -------------------------- */
300: int pattern_position; /* Offset to next item in the pattern */
301: int next_item_length; /* Length of next item in the pattern */
302: /* ------------------- Added for Version 2 -------------------------- */
303: const unsigned char *mark; /* Pointer to current mark or NULL */
304: /* ------------------------------------------------------------------ */
305: } pcre_callout_block;
306:
307: /* Indirection for store get and free functions. These can be set to
308: alternative malloc/free functions if required. Special ones are used in the
309: non-recursive case for "frames". There is also an optional callout function
310: that is triggered by the (?) regex item. For Virtual Pascal, these definitions
311: have to take another form. */
312:
313: #ifndef VPCOMPAT
314: PCRE_EXP_DECL void *(*pcre_malloc)(size_t);
315: PCRE_EXP_DECL void (*pcre_free)(void *);
316: PCRE_EXP_DECL void *(*pcre_stack_malloc)(size_t);
317: PCRE_EXP_DECL void (*pcre_stack_free)(void *);
318: PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block *);
319: #else /* VPCOMPAT */
320: PCRE_EXP_DECL void *pcre_malloc(size_t);
321: PCRE_EXP_DECL void pcre_free(void *);
322: PCRE_EXP_DECL void *pcre_stack_malloc(size_t);
323: PCRE_EXP_DECL void pcre_stack_free(void *);
324: PCRE_EXP_DECL int pcre_callout(pcre_callout_block *);
325: #endif /* VPCOMPAT */
326:
327: /* User defined callback which provides a stack just before the match starts. */
328:
329: typedef pcre_jit_stack *(*pcre_jit_callback)(void *);
330:
331: /* Exported PCRE functions */
332:
333: PCRE_EXP_DECL pcre *pcre_compile(const char *, int, const char **, int *,
334: const unsigned char *);
335: PCRE_EXP_DECL pcre *pcre_compile2(const char *, int, int *, const char **,
336: int *, const unsigned char *);
337: PCRE_EXP_DECL int pcre_config(int, void *);
338: PCRE_EXP_DECL int pcre_copy_named_substring(const pcre *, const char *,
339: int *, int, const char *, char *, int);
340: PCRE_EXP_DECL int pcre_copy_substring(const char *, int *, int, int, char *,
341: int);
342: PCRE_EXP_DECL int pcre_dfa_exec(const pcre *, const pcre_extra *,
343: const char *, int, int, int, int *, int , int *, int);
344: PCRE_EXP_DECL int pcre_exec(const pcre *, const pcre_extra *, PCRE_SPTR,
345: int, int, int, int *, int);
346: PCRE_EXP_DECL void pcre_free_substring(const char *);
347: PCRE_EXP_DECL void pcre_free_substring_list(const char **);
348: PCRE_EXP_DECL int pcre_fullinfo(const pcre *, const pcre_extra *, int,
349: void *);
350: PCRE_EXP_DECL int pcre_get_named_substring(const pcre *, const char *,
351: int *, int, const char *, const char **);
352: PCRE_EXP_DECL int pcre_get_stringnumber(const pcre *, const char *);
353: PCRE_EXP_DECL int pcre_get_stringtable_entries(const pcre *, const char *,
354: char **, char **);
355: PCRE_EXP_DECL int pcre_get_substring(const char *, int *, int, int,
356: const char **);
357: PCRE_EXP_DECL int pcre_get_substring_list(const char *, int *, int,
358: const char ***);
359: PCRE_EXP_DECL int pcre_info(const pcre *, int *, int *);
360: PCRE_EXP_DECL const unsigned char *pcre_maketables(void);
361: PCRE_EXP_DECL int pcre_refcount(pcre *, int);
362: PCRE_EXP_DECL pcre_extra *pcre_study(const pcre *, int, const char **);
363: PCRE_EXP_DECL void pcre_free_study(pcre_extra *);
364: PCRE_EXP_DECL const char *pcre_version(void);
365:
366: /* JIT compiler related functions. */
367:
368: PCRE_EXP_DECL pcre_jit_stack *pcre_jit_stack_alloc(int, int);
369: PCRE_EXP_DECL void pcre_jit_stack_free(pcre_jit_stack *);
370: PCRE_EXP_DECL void pcre_assign_jit_stack(pcre_extra *, pcre_jit_callback, void *);
371:
372: #ifdef __cplusplus
373: } /* extern "C" */
374: #endif
375:
376: #endif /* End of pcre.h */
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