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

/* Copyright (c) 1997-2001 University of Cambridge */

#ifndef _PCRE_H
#define _PCRE_H

#define PCRE_MAJOR 3
#define PCRE_MINOR 9
#define PCRE_DATE  02-Jan-2002

#define __PCRE_STRING(a)  #a
#define __PCRE_XSTRING(s) _STRING(s)
#define PCRE_VERSION __PCRE_XSTRING(PCRE_MAJOR) "." \
                     __PCRE_XSTRING(PCRE_MINOR) " " \
                     __PCRE_XSTRING(PCRE_DATE);

#ifdef PCRE_PREFIX
#if defined(__STDC__) || defined(__cplusplus)
#define __PCRE_CONCAT(x,y) x ## y
#define PCRE_CONCAT(x,y) __PCRE_CONCAT(x,y)
#else
#define __PCRE_CONCAT(x) x
#define PCRE_CONCAT(x,y) __PCRE_CONCAT(x)y
#endif
#define pcre_malloc PCRE_CONCAT(PCRE_PREFIX,pcre_malloc)
#define pcre_free PCRE_CONCAT(PCRE_PREFIX,pcre_free)
#define pcre_compile PCRE_CONCAT(PCRE_PREFIX,pcre_compile)
#define pcre_copy_substring PCRE_CONCAT(PCRE_PREFIX,pcre_copy_substring)
#define pcre_exec PCRE_CONCAT(PCRE_PREFIX,pcre_exec)
#define pcre_free_substring PCRE_CONCAT(PCRE_PREFIX,pcre_free_substring)
#define pcre_free_substring_list PCRE_CONCAT(PCRE_PREFIX,pcre_free_substring_list)
#define pcre_get_substring PCRE_CONCAT(PCRE_PREFIX,pcre_get_substring)
#define pcre_get_substring_list PCRE_CONCAT(PCRE_PREFIX,pcre_get_substring_list)
#define pcre_info PCRE_CONCAT(PCRE_PREFIX,pcre_info)
#define pcre_fullinfo PCRE_CONCAT(PCRE_PREFIX,pcre_fullinfo)
#define pcre_maketables PCRE_CONCAT(PCRE_PREFIX,pcre_maketables)
#define pcre_study PCRE_CONCAT(PCRE_PREFIX,pcre_study)
#define pcre_version PCRE_CONCAT(PCRE_PREFIX,pcre_version)
#define pcre_match PCRE_CONCAT(PCRE_PREFIX,pcre_match)
#endif

/* Win32 uses DLL by default */

#ifdef _WIN32
# ifdef STATIC
#  define PCRE_DL_IMPORT
# else
#  define PCRE_DL_IMPORT __declspec(dllimport)
# endif
#else
# define PCRE_DL_IMPORT
#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        0x0001
#define PCRE_MULTILINE       0x0002
#define PCRE_DOTALL          0x0004
#define PCRE_EXTENDED        0x0008
#define PCRE_ANCHORED        0x0010
#define PCRE_DOLLAR_ENDONLY  0x0020
#define PCRE_EXTRA           0x0040
#define PCRE_NOTBOL          0x0080
#define PCRE_NOTEOL          0x0100
#define PCRE_UNGREEDY        0x0200
#define PCRE_NOTEMPTY        0x0400
#define PCRE_UTF8            0x0800

/* Exec-time and get-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)

/* 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_FIRSTCHAR       4
#define PCRE_INFO_FIRSTTABLE      5
#define PCRE_INFO_LASTLITERAL     6

/* Types */

struct real_pcre;        /* declaration; the definition is private  */
struct real_pcre_extra;  /* declaration; the definition is private */

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

/* Functions */

extern pcre *pcre_compile(const char *, int, const char **, int *,
              const unsigned char *);
extern int  pcre_copy_substring(const char *, int *, int, int, char *, int);
extern int  pcre_exec(const pcre *, const pcre_extra *, const char *,
              int, int, int, int *, int);
extern void pcre_free_substring(const char *);
extern void pcre_free_substring_list(const char **);
extern int  pcre_get_substring(const char *, int *, int, int, const char **);
extern int  pcre_get_substring_list(const char *, int *, int, const char ***);
extern int  pcre_info(const pcre *, int *, int *);
extern int  pcre_fullinfo(const pcre *, const pcre_extra *, int, void *);
extern const unsigned char *pcre_maketables(void);
extern pcre_extra *pcre_study(const pcre *, int, const char **);
extern const char *pcre_version(void);
extern int pcre_match(const char *, const char *, ...);

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

#endif /* End of pcre.h */