pcre.h   [plain text]

/*************************************************
*       Perl-Compatible Regular Expressions      *
*************************************************/

/* In its original form, this is the .in file that is transformed by
"configure" into pcre.h.

           Copyright (c) 1997-2005 University of Cambridge
           Copyright (c) 2004, 2005 Apple Computer, Inc.

-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

    * Neither the name of the University of Cambridge nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
-----------------------------------------------------------------------------
*/

#ifndef _PCRE_H
#define _PCRE_H

#define pcre_callout kjs_pcre_callout
#define pcre_compile kjs_pcre_compile
#define pcre_compile2 kjs_pcre_compile2
#define pcre_config kjs_pcre_config
#define pcre_copy_named_substring kjs_pcre_copy_named_substring
#define pcre_copy_substring kjs_pcre_copy_substring
#define pcre_dfa_exec kjs_pcre_dfa_exec
#define pcre_exec kjs_pcre_exec
#define pcre_free kjs_pcre_free
#define pcre_free_substring kjs_pcre_free_substring
#define pcre_free_substring_list kjs_pcre_free_substring_list
#define pcre_fullinfo kjs_pcre_fullinfo
#define pcre_get_named_substring kjs_pcre_get_named_substring
#define pcre_get_substring kjs_pcre_get_substring
#define pcre_get_substring_list kjs_pcre_get_substring_list
#define pcre_info kjs_pcre_info
#define pcre_maketables kjs_pcre_maketables
#define pcre_malloc kjs_pcre_malloc
#define pcre_refcount kjs_pcre_refcount
#define pcre_stack_free kjs_pcre_stack_free
#define pcre_stack_malloc kjs_pcre_stack_malloc
#define pcre_study kjs_pcre_study
#define pcre_version kjs_pcre_version

#define PCRE_MAJOR          6
#define PCRE_MINOR          4
#define PCRE_DATE           05-Sep-2005

#define PCRE_UTF16          1

/* For other operating systems, we use the standard "extern". */

#ifndef PCRE_DATA_SCOPE
#  ifdef __cplusplus
#    define PCRE_DATA_SCOPE     extern "C"
#  else
#    define PCRE_DATA_SCOPE     extern
#  endif
#endif

/* Have to include stdlib.h in order to ensure that size_t is defined;
it is needed here for malloc. */

#include <stdlib.h>

/* Allow for C++ users */

#ifdef __cplusplus
extern "C" {
#endif

/* Options */

#define PCRE_CASELESS           0x00000001
#define PCRE_MULTILINE          0x00000002
#define PCRE_DOTALL             0x00000004
#define PCRE_EXTENDED           0x00000008
#define PCRE_ANCHORED           0x00000010
#define PCRE_DOLLAR_ENDONLY     0x00000020
#define PCRE_EXTRA              0x00000040
#define PCRE_NOTBOL             0x00000080
#define PCRE_NOTEOL             0x00000100
#define PCRE_UNGREEDY           0x00000200
#define PCRE_NOTEMPTY           0x00000400
#define PCRE_UTF8               0x00000800
#define PCRE_NO_AUTO_CAPTURE    0x00001000
#define PCRE_NO_UTF8_CHECK      0x00002000
#define PCRE_AUTO_CALLOUT       0x00004000
#define PCRE_PARTIAL            0x00008000
#define PCRE_DFA_SHORTEST       0x00010000
#define PCRE_DFA_RESTART        0x00020000
#define PCRE_FIRSTLINE          0x00040000

/* Exec-time and get/set-time error codes */

#define PCRE_ERROR_NOMATCH         (-1)
#define PCRE_ERROR_NULL            (-2)
#define PCRE_ERROR_BADOPTION       (-3)
#define PCRE_ERROR_BADMAGIC        (-4)
#define PCRE_ERROR_UNKNOWN_NODE    (-5)
#define PCRE_ERROR_NOMEMORY        (-6)
#define PCRE_ERROR_NOSUBSTRING     (-7)
#define PCRE_ERROR_MATCHLIMIT      (-8)
#define PCRE_ERROR_CALLOUT         (-9)  /* Never used by PCRE itself */
#define PCRE_ERROR_BADUTF8        (-10)
#define PCRE_ERROR_BADUTF8_OFFSET (-11)
#define PCRE_ERROR_PARTIAL        (-12)
#define PCRE_ERROR_BADPARTIAL     (-13)
#define PCRE_ERROR_INTERNAL       (-14)
#define PCRE_ERROR_BADCOUNT       (-15)
#define PCRE_ERROR_DFA_UITEM      (-16)
#define PCRE_ERROR_DFA_UCOND      (-17)
#define PCRE_ERROR_DFA_UMLIMIT    (-18)
#define PCRE_ERROR_DFA_WSSIZE     (-19)
#define PCRE_ERROR_DFA_RECURSE    (-20)

/* Request types for pcre_fullinfo() */

#define PCRE_INFO_OPTIONS            0
#define PCRE_INFO_SIZE               1
#define PCRE_INFO_CAPTURECOUNT       2
#define PCRE_INFO_BACKREFMAX         3
#define PCRE_INFO_FIRSTBYTE          4
#define PCRE_INFO_FIRSTCHAR          4  /* For backwards compatibility */
#define PCRE_INFO_FIRSTTABLE         5
#define PCRE_INFO_LASTLITERAL        6
#define PCRE_INFO_NAMEENTRYSIZE      7
#define PCRE_INFO_NAMECOUNT          8
#define PCRE_INFO_NAMETABLE          9
#define PCRE_INFO_STUDYSIZE         10
#define PCRE_INFO_DEFAULT_TABLES    11

/* Request types for pcre_config() */

#define PCRE_CONFIG_UTF8                    0
#define PCRE_CONFIG_NEWLINE                 1
#define PCRE_CONFIG_LINK_SIZE               2
#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD  3
#define PCRE_CONFIG_MATCH_LIMIT             4
#define PCRE_CONFIG_STACKRECURSE            5
#define PCRE_CONFIG_UNICODE_PROPERTIES      6

/* Bit flags for the pcre_extra structure */

#define PCRE_EXTRA_STUDY_DATA          0x0001
#define PCRE_EXTRA_MATCH_LIMIT         0x0002
#define PCRE_EXTRA_CALLOUT_DATA        0x0004
#define PCRE_EXTRA_TABLES              0x0008

/* Types */

#if PCRE_UTF16
typedef unsigned short pcre_char;
#else
typedef char pcre_char;
#endif

struct real_pcre;                 /* declaration; the definition is private  */
typedef struct real_pcre pcre;

/* The structure for passing additional data to pcre_exec(). This is defined in
such as way as to be extensible. Always add new fields at the end, in order to
remain compatible. */

typedef struct pcre_extra {
  unsigned long int flags;        /* Bits for which fields are set */
  void *study_data;               /* Opaque data from pcre_study() */
  unsigned long int match_limit;  /* Maximum number of calls to match() */
  void *callout_data;             /* Data passed back in callouts */
  const unsigned char *tables;    /* Pointer to character tables */
} pcre_extra;

/* The structure for passing out data via the pcre_callout_function. We use a
structure so that new fields can be added on the end in future versions,
without changing the API of the function, thereby allowing old clients to work
without modification. */

typedef struct pcre_callout_block {
  int          version;           /* Identifies version of block */
  /* ------------------------ Version 0 ------------------------------- */
  int          callout_number;    /* Number compiled into pattern */
  int         *offset_vector;     /* The offset vector */
  const pcre_char  *subject;      /* The subject being matched */
  int          subject_length;    /* The length of the subject */
  int          start_match;       /* Offset to start of this match attempt */
  int          current_position;  /* Where we currently are in the subject */
  int          capture_top;       /* Max current capture */
  int          capture_last;      /* Most recently closed capture */
  void        *callout_data;      /* Data passed in with the call */
  /* ------------------- Added for Version 1 -------------------------- */
  int          pattern_position;  /* Offset to next item in the pattern */
  int          next_item_length;  /* Length of next item in the pattern */
  /* ------------------------------------------------------------------ */
} pcre_callout_block;

/* Indirection for store get and free functions. These can be set to
alternative malloc/free functions if required. Special ones are used in the
non-recursive case for "frames". There is also an optional callout function
that is triggered by the (?) regex item. For Virtual Pascal, these definitions
have to take another form. */

#ifndef VPCOMPAT
PCRE_DATA_SCOPE void *(*pcre_malloc)(size_t);
PCRE_DATA_SCOPE void  (*pcre_free)(void *);
PCRE_DATA_SCOPE void *(*pcre_stack_malloc)(size_t);
PCRE_DATA_SCOPE void  (*pcre_stack_free)(void *);
PCRE_DATA_SCOPE int   (*pcre_callout)(pcre_callout_block *);
#else   /* VPCOMPAT */
PCRE_DATA_SCOPE void *pcre_malloc(size_t);
PCRE_DATA_SCOPE void  pcre_free(void *);
PCRE_DATA_SCOPE void *pcre_stack_malloc(size_t);
PCRE_DATA_SCOPE void  pcre_stack_free(void *);
PCRE_DATA_SCOPE int   pcre_callout(pcre_callout_block *);
#endif  /* VPCOMPAT */

/* Exported PCRE functions */

PCRE_DATA_SCOPE pcre *pcre_compile(const pcre_char *, int, int, const char **, int *,
                  const unsigned char *);
PCRE_DATA_SCOPE pcre *pcre_compile2(const pcre_char *, int, int, int *, const char **,
                  int *, const unsigned char *);
PCRE_DATA_SCOPE int  pcre_config(int, void *);
PCRE_DATA_SCOPE int  pcre_copy_named_substring(const pcre *, const pcre_char *,
                  int *, int, const pcre_char *, pcre_char *, int);
PCRE_DATA_SCOPE int  pcre_copy_substring(const pcre_char *, int *, int, int, pcre_char *,
                  int);
PCRE_DATA_SCOPE int  pcre_dfa_exec(const pcre *, const pcre_extra *,
                  const pcre_char *, int, int, int, int *, int , int *, int);
PCRE_DATA_SCOPE int  pcre_exec(const pcre *, const pcre_extra *, const pcre_char *,
                   int, int, int, int *, int);
PCRE_DATA_SCOPE void pcre_free_substring(const pcre_char *);
PCRE_DATA_SCOPE void pcre_free_substring_list(const pcre_char **);
PCRE_DATA_SCOPE int  pcre_fullinfo(const pcre *, const pcre_extra *, int,
                  void *);
PCRE_DATA_SCOPE int  pcre_get_named_substring(const pcre *, const pcre_char *,
                  int *, int, const pcre_char *, const pcre_char **);
PCRE_DATA_SCOPE int  pcre_get_stringnumber(const pcre *, const pcre_char *);
PCRE_DATA_SCOPE int  pcre_get_substring(const pcre_char *, int *, int, int,
                  const pcre_char **);
PCRE_DATA_SCOPE int  pcre_get_substring_list(const pcre_char *, int *, int,
                  const pcre_char ***);
PCRE_DATA_SCOPE int  pcre_info(const pcre *, int *, int *);
PCRE_DATA_SCOPE const unsigned char *pcre_maketables(void);
PCRE_DATA_SCOPE int  pcre_refcount(pcre *, int);
PCRE_DATA_SCOPE pcre_extra *pcre_study(const pcre *, int, const char **);
PCRE_DATA_SCOPE const char *pcre_version(void);

#ifdef __cplusplus
}  /* extern "C" */
#endif

#endif /* End of pcre.h */