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Written by: Philip Hazel <ph10@cam.ac.uk> |
Written by: Philip Hazel <ph10@cam.ac.uk> |
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Copyright (c) 1997-1999 University of Cambridge |
Copyright (c) 1997-2000 University of Cambridge |
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----------------------------------------------------------------------------- |
----------------------------------------------------------------------------- |
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Permission is granted to anyone to use this software for any purpose on any |
Permission is granted to anyone to use this software for any purpose on any |
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#include "config.h" |
#include "config.h" |
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/* To cope with SunOS4 and other systems that lack memmove() but have bcopy(), |
/* To cope with SunOS4 and other systems that lack memmove() but have bcopy(), |
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define a macro for memmove() if HAVE_MEMMOVE is not defined. */ |
define a macro for memmove() if HAVE_MEMMOVE is false. */ |
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#ifndef HAVE_MEMMOVE |
#if ! HAVE_MEMMOVE |
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#undef memmove /* some systems may have a macro */ |
#undef memmove /* some systems may have a macro */ |
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#define memmove(a, b, c) bcopy(b, a, c) |
#define memmove(a, b, c) bcopy(b, a, c) |
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#endif |
#endif |
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OP_CLASS, /* Match a character class */ |
OP_CLASS, /* Match a character class */ |
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OP_REF, /* Match a back reference */ |
OP_REF, /* Match a back reference */ |
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OP_RECURSE, /* Match this pattern recursively */ |
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OP_ALT, /* Start of alternation */ |
OP_ALT, /* Start of alternation */ |
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OP_KET, /* End of group that doesn't have an unbounded repeat */ |
OP_KET, /* End of group that doesn't have an unbounded repeat */ |
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#define ERR26 "malformed number after (?(" |
#define ERR26 "malformed number after (?(" |
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#define ERR27 "conditional group contains more than two branches" |
#define ERR27 "conditional group contains more than two branches" |
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#define ERR28 "assertion expected after (?(" |
#define ERR28 "assertion expected after (?(" |
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#define ERR29 "(?p must be followed by )" |
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#define ERR30 "unknown POSIX class name" |
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#define ERR31 "POSIX collating elements are not supported" |
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/* All character handling must be done as unsigned characters. Otherwise there |
/* All character handling must be done as unsigned characters. Otherwise there |
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are problems with top-bit-set characters and functions such as isspace(). |
are problems with top-bit-set characters and functions such as isspace(). |
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typedef struct real_pcre { |
typedef struct real_pcre { |
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unsigned long int magic_number; |
unsigned long int magic_number; |
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size_t size; |
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const unsigned char *tables; |
const unsigned char *tables; |
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unsigned long int options; |
unsigned long int options; |
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uschar top_bracket; |
uschar top_bracket; |
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BOOL noteol; /* NOTEOL flag */ |
BOOL noteol; /* NOTEOL flag */ |
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BOOL endonly; /* Dollar not before final \n */ |
BOOL endonly; /* Dollar not before final \n */ |
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BOOL notempty; /* Empty string match not wanted */ |
BOOL notempty; /* Empty string match not wanted */ |
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const uschar *start_pattern; /* For use when recursing */ |
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const uschar *start_subject; /* Start of the subject string */ |
const uschar *start_subject; /* Start of the subject string */ |
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const uschar *end_subject; /* End of the subject string */ |
const uschar *end_subject; /* End of the subject string */ |
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const uschar *start_match; /* Start of this match attempt */ |
const uschar *start_match; /* Start of this match attempt */ |
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const uschar *end_match_ptr; /* Subject position at end match */ |
const uschar *end_match_ptr; /* Subject position at end match */ |
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int end_offset_top; /* Highwater mark at end of match */ |
int end_offset_top; /* Highwater mark at end of match */ |
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} match_data; |
} match_data; |
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/* Bit definitions for entries in the pcre_ctypes table. */ |
/* Bit definitions for entries in the pcre_ctypes table. */ |
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#define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */ |
#define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */ |
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/* Offsets for the bitmap tables in pcre_cbits. Each table contains a set |
/* Offsets for the bitmap tables in pcre_cbits. Each table contains a set |
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of bits for a class map. */ |
of bits for a class map. Some classes are built by combining these tables. */ |
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#define cbit_digit 0 /* for \d */ |
#define cbit_space 0 /* [:space:] or \s */ |
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#define cbit_word 32 /* for \w */ |
#define cbit_xdigit 32 /* [:xdigit:] */ |
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#define cbit_space 64 /* for \s */ |
#define cbit_digit 64 /* [:digit:] or \d */ |
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#define cbit_length 96 /* Length of the cbits table */ |
#define cbit_upper 96 /* [:upper:] */ |
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#define cbit_lower 128 /* [:lower:] */ |
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#define cbit_word 160 /* [:word:] or \w */ |
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#define cbit_graph 192 /* [:graph:] */ |
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#define cbit_print 224 /* [:print:] */ |
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#define cbit_punct 256 /* [:punct:] */ |
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#define cbit_cntrl 288 /* [:cntrl:] */ |
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#define cbit_length 320 /* Length of the cbits table */ |
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/* Offsets of the various tables from the base tables pointer, and |
/* Offsets of the various tables from the base tables pointer, and |
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total length. */ |
total length. */ |