mirror of
https://github.com/qpdf/qpdf.git
synced 2024-12-23 19:39:04 +00:00
194 lines
6.9 KiB
C
194 lines
6.9 KiB
C
|
/*************************************************
|
||
|
|
* Perl-Compatible Regular Expressions *
|
||
|
|
*************************************************/
|
||
|
|
|
||
|
|
/* Copyright (c) 1997-2003 University of Cambridge */
|
||
|
|
|
||
|
|
#ifndef _PCRE_H
|
||
|
|
#define _PCRE_H
|
||
|
|
|
||
|
|
/* The file pcre.h is build by "configure". Do not edit it; instead
|
||
|
|
make changes to pcre.in. */
|
||
|
|
|
||
|
|
#define PCRE_MAJOR 4
|
||
|
|
#define PCRE_MINOR 5
|
||
|
|
#define PCRE_DATE 01-December-2003
|
||
|
|
|
||
|
|
/* Win32 uses DLL by default */
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
# ifdef PCRE_DEFINITION
|
||
|
|
# ifdef DLL_EXPORT
|
||
|
|
# define PCRE_DATA_SCOPE __declspec(dllexport)
|
||
|
|
# endif
|
||
|
|
# else
|
||
|
|
# ifndef PCRE_STATIC
|
||
|
|
# define PCRE_DATA_SCOPE extern __declspec(dllimport)
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
#ifndef PCRE_DATA_SCOPE
|
||
|
|
# define PCRE_DATA_SCOPE extern
|
||
|
|
#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
|
||
|
|
#define PCRE_NO_AUTO_CAPTURE 0x1000
|
||
|
|
#define PCRE_NO_UTF8_CHECK 0x2000
|
||
|
|
|
||
|
|
/* 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)
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
/* Types */
|
||
|
|
|
||
|
|
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. */
|
||
|
|
|
||
|
|
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 */
|
||
|
|
} 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 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 */
|
||
|
|
int capture_top; /* Max current capture */
|
||
|
|
int capture_last; /* Most recently closed capture */
|
||
|
|
void *callout_data; /* Data passed in with the call */
|
||
|
|
/* ------------------------------------------------------------------ */
|
||
|
|
} 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. Some magic is required for Win32 DLL;
|
||
|
|
it is null on other OS. For Virtual Pascal, these have to be different again.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 */
|
||
|
|
extern void *pcre_malloc(size_t);
|
||
|
|
extern void pcre_free(void *);
|
||
|
|
extern void *pcre_stack_malloc(size_t);
|
||
|
|
extern void pcre_stack_free(void *);
|
||
|
|
extern int pcre_callout(pcre_callout_block *);
|
||
|
|
#endif /* VPCOMPAT */
|
||
|
|
|
||
|
|
/* Exported PCRE functions */
|
||
|
|
|
||
|
|
extern pcre *pcre_compile(const char *, int, const char **,
|
||
|
|
int *, const unsigned char *);
|
||
|
|
extern int pcre_config(int, void *);
|
||
|
|
extern int pcre_copy_named_substring(const pcre *, const char *,
|
||
|
|
int *, int, const char *, char *, int);
|
||
|
|
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_fullinfo(const pcre *, const pcre_extra *, int,
|
||
|
|
void *);
|
||
|
|
extern int pcre_get_named_substring(const pcre *, const char *,
|
||
|
|
int *, int, const char *, const char **);
|
||
|
|
extern int pcre_get_stringnumber(const pcre *, 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 const unsigned char *pcre_maketables(void);
|
||
|
|
extern pcre_extra *pcre_study(const pcre *, int, const char **);
|
||
|
|
extern const char *pcre_version(void);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} /* extern "C" */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* End of pcre.h */
|