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revision 53 by nigel, Sat Feb 24 21:39:42 2007 UTC revision 63 by nigel, Sat Feb 24 21:40:03 2007 UTC
# Line 2  Line 2 
2  *       Perl-Compatible Regular Expressions      *  *       Perl-Compatible Regular Expressions      *
3  *************************************************/  *************************************************/
4    
5  /* Copyright (c) 1997-2001 University of Cambridge */  /* Copyright (c) 1997-2003 University of Cambridge */
6    
7  #ifndef _PCRE_H  #ifndef _PCRE_H
8  #define _PCRE_H  #define _PCRE_H
# Line 17  make changes to pcre.in. */ Line 17  make changes to pcre.in. */
17  /* Win32 uses DLL by default */  /* Win32 uses DLL by default */
18    
19  #ifdef _WIN32  #ifdef _WIN32
20  # ifdef STATIC  #  ifdef PCRE_DEFINITION
21  #  define PCRE_DL_IMPORT  #    ifdef DLL_EXPORT
22  # else  #      define PCRE_DATA_SCOPE __declspec(dllexport)
23  #  define PCRE_DL_IMPORT __declspec(dllimport)  #    endif
24  # endif  #  else
25  #else  #    ifndef PCRE_STATIC
26  # define PCRE_DL_IMPORT  #      define PCRE_DATA_SCOPE __declspec(dllimport)
27    #    endif
28    #  endif
29    #endif
30    #ifndef PCRE_DATA_SCOPE
31    #  define PCRE_DATA_SCOPE     extern
32  #endif  #endif
33    
34  /* Have to include stdlib.h in order to ensure that size_t is defined;  /* Have to include stdlib.h in order to ensure that size_t is defined;
# Line 39  extern "C" { Line 44  extern "C" {
44    
45  /* Options */  /* Options */
46    
47  #define PCRE_CASELESS        0x0001  #define PCRE_CASELESS           0x0001
48  #define PCRE_MULTILINE       0x0002  #define PCRE_MULTILINE          0x0002
49  #define PCRE_DOTALL          0x0004  #define PCRE_DOTALL             0x0004
50  #define PCRE_EXTENDED        0x0008  #define PCRE_EXTENDED           0x0008
51  #define PCRE_ANCHORED        0x0010  #define PCRE_ANCHORED           0x0010
52  #define PCRE_DOLLAR_ENDONLY  0x0020  #define PCRE_DOLLAR_ENDONLY     0x0020
53  #define PCRE_EXTRA           0x0040  #define PCRE_EXTRA              0x0040
54  #define PCRE_NOTBOL          0x0080  #define PCRE_NOTBOL             0x0080
55  #define PCRE_NOTEOL          0x0100  #define PCRE_NOTEOL             0x0100
56  #define PCRE_UNGREEDY        0x0200  #define PCRE_UNGREEDY           0x0200
57  #define PCRE_NOTEMPTY        0x0400  #define PCRE_NOTEMPTY           0x0400
58  #define PCRE_UTF8            0x0800  #define PCRE_UTF8               0x0800
59    #define PCRE_NO_AUTO_CAPTURE    0x1000
60    
61  /* Exec-time and get-time error codes */  /* Exec-time and get/set-time error codes */
62    
63  #define PCRE_ERROR_NOMATCH        (-1)  #define PCRE_ERROR_NOMATCH        (-1)
64  #define PCRE_ERROR_NULL           (-2)  #define PCRE_ERROR_NULL           (-2)
# Line 61  extern "C" { Line 67  extern "C" {
67  #define PCRE_ERROR_UNKNOWN_NODE   (-5)  #define PCRE_ERROR_UNKNOWN_NODE   (-5)
68  #define PCRE_ERROR_NOMEMORY       (-6)  #define PCRE_ERROR_NOMEMORY       (-6)
69  #define PCRE_ERROR_NOSUBSTRING    (-7)  #define PCRE_ERROR_NOSUBSTRING    (-7)
70    #define PCRE_ERROR_MATCHLIMIT     (-8)
71    #define PCRE_ERROR_CALLOUT        (-9)  /* Never used by PCRE itself */
72    
73  /* Request types for pcre_fullinfo() */  /* Request types for pcre_fullinfo() */
74    
75  #define PCRE_INFO_OPTIONS         0  #define PCRE_INFO_OPTIONS            0
76  #define PCRE_INFO_SIZE            1  #define PCRE_INFO_SIZE               1
77  #define PCRE_INFO_CAPTURECOUNT    2  #define PCRE_INFO_CAPTURECOUNT       2
78  #define PCRE_INFO_BACKREFMAX      3  #define PCRE_INFO_BACKREFMAX         3
79  #define PCRE_INFO_FIRSTCHAR       4  #define PCRE_INFO_FIRSTBYTE          4
80  #define PCRE_INFO_FIRSTTABLE      5  #define PCRE_INFO_FIRSTCHAR          4  /* For backwards compatibility */
81  #define PCRE_INFO_LASTLITERAL     6  #define PCRE_INFO_FIRSTTABLE         5
82    #define PCRE_INFO_LASTLITERAL        6
83    #define PCRE_INFO_NAMEENTRYSIZE      7
84    #define PCRE_INFO_NAMECOUNT          8
85    #define PCRE_INFO_NAMETABLE          9
86    #define PCRE_INFO_STUDYSIZE         10
87    
88    /* Request types for pcre_config() */
89    
90    #define PCRE_CONFIG_UTF8                    0
91    #define PCRE_CONFIG_NEWLINE                 1
92    #define PCRE_CONFIG_LINK_SIZE               2
93    #define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD  3
94    #define PCRE_CONFIG_MATCH_LIMIT             4
95    
96    /* Bit flags for the pcre_extra structure */
97    
98    #define PCRE_EXTRA_STUDY_DATA          0x0001
99    #define PCRE_EXTRA_MATCH_LIMIT         0x0002
100    #define PCRE_EXTRA_CALLOUT_DATA        0x0004
101    
102  /* Types */  /* Types */
103    
104  struct real_pcre;        /* declaration; the definition is private  */  struct real_pcre;                 /* declaration; the definition is private  */
 struct real_pcre_extra;  /* declaration; the definition is private */  
   
105  typedef struct real_pcre pcre;  typedef struct real_pcre pcre;
 typedef struct real_pcre_extra pcre_extra;  
   
 /* Store get and free functions. These can be set to alternative malloc/free  
 functions if required. Some magic is required for Win32 DLL; it is null on  
 other OS. */  
   
 PCRE_DL_IMPORT extern void *(*pcre_malloc)(size_t);  
 PCRE_DL_IMPORT extern void  (*pcre_free)(void *);  
   
 #undef PCRE_DL_IMPORT  
106    
107  /* Functions */  /* The structure for passing additional data to pcre_exec(). This is defined in
108    such as way as to be extensible. */
109    
110  extern pcre *pcre_compile(const char *, int, const char **, int *,  typedef struct pcre_extra {
111                const unsigned char *);    unsigned long int flags;        /* Bits for which fields are set */
112  extern int  pcre_copy_substring(const char *, int *, int, int, char *, int);    void *study_data;               /* Opaque data from pcre_study() */
113  extern int  pcre_exec(const pcre *, const pcre_extra *, const char *,    unsigned long int match_limit;  /* Maximum number of calls to match() */
114                int, int, int, int *, int);    void *callout_data;             /* Data passed back in callouts */
115    } pcre_extra;
116    
117    /* The structure for passing out data via the pcre_callout_function. We use a
118    structure so that new fields can be added on the end in future versions,
119    without changing the API of the function, thereby allowing old clients to work
120    without modification. */
121    
122    typedef struct pcre_callout_block {
123      int          version;           /* Identifies version of block */
124      /* ------------------------ Version 0 ------------------------------- */
125      int          callout_number;    /* Number compiled into pattern */
126      int         *offset_vector;     /* The offset vector */
127      const char  *subject;           /* The subject being matched */
128      int          subject_length;    /* The length of the subject */
129      int          start_match;       /* Offset to start of this match attempt */
130      int          current_position;  /* Where we currently are */
131      int          capture_top;       /* Max current capture */
132      int          capture_last;      /* Most recently closed capture */
133      void        *callout_data;      /* Data passed in with the call */
134      /* ------------------------------------------------------------------ */
135    } pcre_callout_block;
136    
137    /* Indirection for store get and free functions. These can be set to
138    alternative malloc/free functions if required. There is also an optional
139    callout function that is triggered by the (?) regex item. Some magic is
140    required for Win32 DLL; it is null on other OS. For Virtual Pascal, these
141    have to be different again. */
142    
143    #ifndef VPCOMPAT
144    PCRE_DATA_SCOPE void *(*pcre_malloc)(size_t);
145    PCRE_DATA_SCOPE void  (*pcre_free)(void *);
146    PCRE_DATA_SCOPE int   (*pcre_callout)(pcre_callout_block *);
147    #else   /* VPCOMPAT */
148    extern void *pcre_malloc(size_t);
149    extern void  pcre_free(void *);
150    extern int   pcre_callout(pcre_callout_block *);
151    #endif  /* VPCOMPAT */
152    
153    /* Exported PCRE functions */
154    
155    extern pcre *pcre_compile(const char *, int, const char **,
156                  int *, const unsigned char *);
157    extern int  pcre_config(int, void *);
158    extern int  pcre_copy_named_substring(const pcre *, const char *,
159                  int *, int, const char *, char *, int);
160    extern int  pcre_copy_substring(const char *, int *, int, int,
161                  char *, int);
162    extern int  pcre_exec(const pcre *, const pcre_extra *,
163                  const char *, int, int, int, int *, int);
164  extern void pcre_free_substring(const char *);  extern void pcre_free_substring(const char *);
165  extern void pcre_free_substring_list(const char **);  extern void pcre_free_substring_list(const char **);
166  extern int  pcre_get_substring(const char *, int *, int, int, const char **);  extern int  pcre_fullinfo(const pcre *, const pcre_extra *, int,
167  extern int  pcre_get_substring_list(const char *, int *, int, const char ***);                void *);
168    extern int  pcre_get_named_substring(const pcre *, const char *,
169                  int *, int,  const char *, const char **);
170    extern int  pcre_get_stringnumber(const pcre *, const char *);
171    extern int  pcre_get_substring(const char *, int *, int, int,
172                  const char **);
173    extern int  pcre_get_substring_list(const char *, int *, int,
174                  const char ***);
175  extern int  pcre_info(const pcre *, int *, int *);  extern int  pcre_info(const pcre *, int *, int *);
 extern int  pcre_fullinfo(const pcre *, const pcre_extra *, int, void *);  
176  extern const unsigned char *pcre_maketables(void);  extern const unsigned char *pcre_maketables(void);
177  extern pcre_extra *pcre_study(const pcre *, int, const char **);  extern pcre_extra *pcre_study(const pcre *, int, const char **);
178  extern const char *pcre_version(void);  extern const char *pcre_version(void);
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