Annotation of embedaddon/pcre/pcre.h.in, 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          @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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