Annotation of embedaddon/pcre/pcre.h.generic, revision 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) 1997-2011 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 8
! 45: #define PCRE_MINOR 21
! 46: #define PCRE_PRERELEASE
! 47: #define PCRE_DATE 2011-12-12
! 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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