| 3 |
*************************************************/ |
*************************************************/ |
| 4 |
|
|
| 5 |
/* PCRE is a library of functions to support regular expressions whose syntax |
/* PCRE is a library of functions to support regular expressions whose syntax |
| 6 |
and semantics are as close as possible to those of the Perl 5 language. |
and semantics are as close as possible to those of the Perl 5 language (but see |
| 7 |
|
below for why this module is different). |
| 8 |
|
|
| 9 |
Written by Philip Hazel |
Written by Philip Hazel |
| 10 |
Copyright (c) 1997-2007 University of Cambridge |
Copyright (c) 1997-2009 University of Cambridge |
| 11 |
|
|
| 12 |
----------------------------------------------------------------------------- |
----------------------------------------------------------------------------- |
| 13 |
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
| 45 |
applications. */ |
applications. */ |
| 46 |
|
|
| 47 |
|
|
| 48 |
|
#ifdef HAVE_CONFIG_H |
| 49 |
|
#include "config.h" |
| 50 |
|
#endif |
| 51 |
|
|
| 52 |
#define NLBLOCK md /* Block containing newline information */ |
#define NLBLOCK md /* Block containing newline information */ |
| 53 |
#define PSSTART start_subject /* Field containing processed string start */ |
#define PSSTART start_subject /* Field containing processed string start */ |
| 54 |
#define PSEND end_subject /* Field containing processed string end */ |
#define PSEND end_subject /* Field containing processed string end */ |
| 68 |
|
|
| 69 |
/* These are offsets that are used to turn the OP_TYPESTAR and friends opcodes |
/* These are offsets that are used to turn the OP_TYPESTAR and friends opcodes |
| 70 |
into others, under special conditions. A gap of 20 between the blocks should be |
into others, under special conditions. A gap of 20 between the blocks should be |
| 71 |
enough. */ |
enough. The resulting opcodes don't have to be less than 256 because they are |
| 72 |
|
never stored, so we push them well clear of the normal opcodes. */ |
| 73 |
|
|
| 74 |
#define OP_PROP_EXTRA 100 |
#define OP_PROP_EXTRA 300 |
| 75 |
#define OP_EXTUNI_EXTRA 120 |
#define OP_EXTUNI_EXTRA 320 |
| 76 |
#define OP_ANYNL_EXTRA 140 |
#define OP_ANYNL_EXTRA 340 |
| 77 |
|
#define OP_HSPACE_EXTRA 360 |
| 78 |
|
#define OP_VSPACE_EXTRA 380 |
| 79 |
|
|
| 80 |
|
|
| 81 |
/* This table identifies those opcodes that are followed immediately by a |
/* This table identifies those opcodes that are followed immediately by a |
| 82 |
character that is to be tested in some way. This makes is possible to |
character that is to be tested in some way. This makes is possible to |
| 83 |
centralize the loading of these characters. In the case of Type * etc, the |
centralize the loading of these characters. In the case of Type * etc, the |
| 84 |
"character" is the opcode for \D, \d, \S, \s, \W, or \w, which will always be a |
"character" is the opcode for \D, \d, \S, \s, \W, or \w, which will always be a |
| 85 |
small value. */ |
small value. ***NOTE*** If the start of this table is modified, the two tables |
| 86 |
|
that follow must also be modified. */ |
| 87 |
|
|
| 88 |
static uschar coptable[] = { |
static const uschar coptable[] = { |
| 89 |
0, /* End */ |
0, /* End */ |
| 90 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* \A, \G, \B, \b, \D, \d, \S, \s, \W, \w */ |
0, 0, 0, 0, 0, /* \A, \G, \K, \B, \b */ |
| 91 |
0, 0, /* Any, Anybyte */ |
0, 0, 0, 0, 0, 0, /* \D, \d, \S, \s, \W, \w */ |
| 92 |
0, 0, 0, 0, /* NOTPROP, PROP, EXTUNI, ANYNL */ |
0, 0, 0, /* Any, AllAny, Anybyte */ |
| 93 |
|
0, 0, 0, /* NOTPROP, PROP, EXTUNI */ |
| 94 |
|
0, 0, 0, 0, 0, /* \R, \H, \h, \V, \v */ |
| 95 |
0, 0, 0, 0, 0, /* \Z, \z, Opt, ^, $ */ |
0, 0, 0, 0, 0, /* \Z, \z, Opt, ^, $ */ |
| 96 |
1, /* Char */ |
1, /* Char */ |
| 97 |
1, /* Charnc */ |
1, /* Charnc */ |
| 131 |
0, /* CREF */ |
0, /* CREF */ |
| 132 |
0, /* RREF */ |
0, /* RREF */ |
| 133 |
0, /* DEF */ |
0, /* DEF */ |
| 134 |
0, 0 /* BRAZERO, BRAMINZERO */ |
0, 0, /* BRAZERO, BRAMINZERO */ |
| 135 |
|
0, 0, 0, 0, /* PRUNE, SKIP, THEN, COMMIT */ |
| 136 |
|
0, 0, 0 /* FAIL, ACCEPT, SKIPZERO */ |
| 137 |
}; |
}; |
| 138 |
|
|
| 139 |
/* These 2 tables allow for compact code for testing for \D, \d, \S, \s, \W, |
/* These 2 tables allow for compact code for testing for \D, \d, \S, \s, \W, |
| 140 |
and \w */ |
and \w */ |
| 141 |
|
|
| 142 |
static uschar toptable1[] = { |
static const uschar toptable1[] = { |
| 143 |
0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, |
| 144 |
ctype_digit, ctype_digit, |
ctype_digit, ctype_digit, |
| 145 |
ctype_space, ctype_space, |
ctype_space, ctype_space, |
| 146 |
ctype_word, ctype_word, |
ctype_word, ctype_word, |
| 147 |
0 /* OP_ANY */ |
0, 0 /* OP_ANY, OP_ALLANY */ |
| 148 |
}; |
}; |
| 149 |
|
|
| 150 |
static uschar toptable2[] = { |
static const uschar toptable2[] = { |
| 151 |
0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, |
| 152 |
ctype_digit, 0, |
ctype_digit, 0, |
| 153 |
ctype_space, 0, |
ctype_space, 0, |
| 154 |
ctype_word, 0, |
ctype_word, 0, |
| 155 |
1 /* OP_ANY */ |
1, 1 /* OP_ANY, OP_ALLANY */ |
| 156 |
}; |
}; |
| 157 |
|
|
| 158 |
|
|
| 224 |
rlevel function call recursion level |
rlevel function call recursion level |
| 225 |
recursing regex recursive call level |
recursing regex recursive call level |
| 226 |
|
|
| 227 |
Returns: > 0 => |
Returns: > 0 => number of match offset pairs placed in offsets |
| 228 |
= 0 => |
= 0 => offsets overflowed; longest matches are present |
| 229 |
-1 => failed to match |
-1 => failed to match |
| 230 |
< -1 => some kind of unexpected problem |
< -1 => some kind of unexpected problem |
| 231 |
|
|
| 512 |
stateblock *current_state = active_states + i; |
stateblock *current_state = active_states + i; |
| 513 |
const uschar *code; |
const uschar *code; |
| 514 |
int state_offset = current_state->offset; |
int state_offset = current_state->offset; |
| 515 |
int count, codevalue; |
int count, codevalue, rrc; |
|
#ifdef SUPPORT_UCP |
|
|
int chartype, script; |
|
|
#endif |
|
| 516 |
|
|
| 517 |
#ifdef DEBUG |
#ifdef DEBUG |
| 518 |
printf ("%.*sProcessing state %d c=", rlevel*2-2, SP, state_offset); |
printf ("%.*sProcessing state %d c=", rlevel*2-2, SP, state_offset); |
| 567 |
permitted. |
permitted. |
| 568 |
|
|
| 569 |
We also use this mechanism for opcodes such as OP_TYPEPLUS that take an |
We also use this mechanism for opcodes such as OP_TYPEPLUS that take an |
| 570 |
argument that is not a data character - but is always one byte long. |
argument that is not a data character - but is always one byte long. We |
| 571 |
Unfortunately, we have to take special action to deal with \P, \p, and |
have to take special action to deal with \P, \p, \H, \h, \V, \v and \X in |
| 572 |
\X in this case. To keep the other cases fast, convert these ones to new |
this case. To keep the other cases fast, convert these ones to new opcodes. |
| 573 |
opcodes. */ |
*/ |
| 574 |
|
|
| 575 |
if (coptable[codevalue] > 0) |
if (coptable[codevalue] > 0) |
| 576 |
{ |
{ |
| 588 |
case OP_PROP: codevalue += OP_PROP_EXTRA; break; |
case OP_PROP: codevalue += OP_PROP_EXTRA; break; |
| 589 |
case OP_ANYNL: codevalue += OP_ANYNL_EXTRA; break; |
case OP_ANYNL: codevalue += OP_ANYNL_EXTRA; break; |
| 590 |
case OP_EXTUNI: codevalue += OP_EXTUNI_EXTRA; break; |
case OP_EXTUNI: codevalue += OP_EXTUNI_EXTRA; break; |
| 591 |
|
case OP_NOT_HSPACE: |
| 592 |
|
case OP_HSPACE: codevalue += OP_HSPACE_EXTRA; break; |
| 593 |
|
case OP_NOT_VSPACE: |
| 594 |
|
case OP_VSPACE: codevalue += OP_VSPACE_EXTRA; break; |
| 595 |
default: break; |
default: break; |
| 596 |
} |
} |
| 597 |
} |
} |
| 692 |
break; |
break; |
| 693 |
|
|
| 694 |
/*-----------------------------------------------------------------*/ |
/*-----------------------------------------------------------------*/ |
| 695 |
|
case OP_SKIPZERO: |
| 696 |
|
code += 1 + GET(code, 2); |
| 697 |
|
while (*code == OP_ALT) code += GET(code, 1); |
| 698 |
|
ADD_ACTIVE(code - start_code + 1 + LINK_SIZE, 0); |
| 699 |
|
break; |
| 700 |
|
|
| 701 |
|
/*-----------------------------------------------------------------*/ |
| 702 |
case OP_CIRC: |
case OP_CIRC: |
| 703 |
if ((ptr == start_subject && (md->moptions & PCRE_NOTBOL) == 0) || |
if ((ptr == start_subject && (md->moptions & PCRE_NOTBOL) == 0) || |
| 704 |
((ims & PCRE_MULTILINE) != 0 && |
((ims & PCRE_MULTILINE) != 0 && |
| 737 |
|
|
| 738 |
/*-----------------------------------------------------------------*/ |
/*-----------------------------------------------------------------*/ |
| 739 |
case OP_ANY: |
case OP_ANY: |
| 740 |
if (clen > 0 && ((ims & PCRE_DOTALL) != 0 || !IS_NEWLINE(ptr))) |
if (clen > 0 && !IS_NEWLINE(ptr)) |
| 741 |
|
{ ADD_NEW(state_offset + 1, 0); } |
| 742 |
|
break; |
| 743 |
|
|
| 744 |
|
/*-----------------------------------------------------------------*/ |
| 745 |
|
case OP_ALLANY: |
| 746 |
|
if (clen > 0) |
| 747 |
{ ADD_NEW(state_offset + 1, 0); } |
{ ADD_NEW(state_offset + 1, 0); } |
| 748 |
break; |
break; |
| 749 |
|
|
| 758 |
if ((md->moptions & PCRE_NOTEOL) == 0) |
if ((md->moptions & PCRE_NOTEOL) == 0) |
| 759 |
{ |
{ |
| 760 |
if (clen == 0 || |
if (clen == 0 || |
| 761 |
(IS_NEWLINE(ptr) && |
((md->poptions & PCRE_DOLLAR_ENDONLY) == 0 && IS_NEWLINE(ptr) && |
| 762 |
((ims & PCRE_MULTILINE) != 0 || ptr == end_subject - md->nllen) |
((ims & PCRE_MULTILINE) != 0 || ptr == end_subject - md->nllen) |
| 763 |
)) |
)) |
| 764 |
{ ADD_ACTIVE(state_offset + 1, 0); } |
{ ADD_ACTIVE(state_offset + 1, 0); } |
| 823 |
if (clen > 0) |
if (clen > 0) |
| 824 |
{ |
{ |
| 825 |
BOOL OK; |
BOOL OK; |
| 826 |
int category = _pcre_ucp_findprop(c, &chartype, &script); |
const ucd_record * prop = GET_UCD(c); |
| 827 |
switch(code[1]) |
switch(code[1]) |
| 828 |
{ |
{ |
| 829 |
case PT_ANY: |
case PT_ANY: |
| 831 |
break; |
break; |
| 832 |
|
|
| 833 |
case PT_LAMP: |
case PT_LAMP: |
| 834 |
OK = chartype == ucp_Lu || chartype == ucp_Ll || chartype == ucp_Lt; |
OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll || prop->chartype == ucp_Lt; |
| 835 |
break; |
break; |
| 836 |
|
|
| 837 |
case PT_GC: |
case PT_GC: |
| 838 |
OK = category == code[2]; |
OK = _pcre_ucp_gentype[prop->chartype] == code[2]; |
| 839 |
break; |
break; |
| 840 |
|
|
| 841 |
case PT_PC: |
case PT_PC: |
| 842 |
OK = chartype == code[2]; |
OK = prop->chartype == code[2]; |
| 843 |
break; |
break; |
| 844 |
|
|
| 845 |
case PT_SC: |
case PT_SC: |
| 846 |
OK = script == code[2]; |
OK = prop->script == code[2]; |
| 847 |
break; |
break; |
| 848 |
|
|
| 849 |
/* Should never occur, but keep compilers from grumbling. */ |
/* Should never occur, but keep compilers from grumbling. */ |
| 863 |
/* ========================================================================== */ |
/* ========================================================================== */ |
| 864 |
/* These opcodes likewise inspect the subject character, but have an |
/* These opcodes likewise inspect the subject character, but have an |
| 865 |
argument that is not a data character. It is one of these opcodes: |
argument that is not a data character. It is one of these opcodes: |
| 866 |
OP_ANY, OP_DIGIT, OP_NOT_DIGIT, OP_WHITESPACE, OP_NOT_SPACE, OP_WORDCHAR, |
OP_ANY, OP_ALLANY, OP_DIGIT, OP_NOT_DIGIT, OP_WHITESPACE, OP_NOT_SPACE, |
| 867 |
OP_NOT_WORDCHAR. The value is loaded into d. */ |
OP_WORDCHAR, OP_NOT_WORDCHAR. The value is loaded into d. */ |
| 868 |
|
|
| 869 |
case OP_TYPEPLUS: |
case OP_TYPEPLUS: |
| 870 |
case OP_TYPEMINPLUS: |
case OP_TYPEMINPLUS: |
| 875 |
{ |
{ |
| 876 |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
| 877 |
(c < 256 && |
(c < 256 && |
| 878 |
(d != OP_ANY || |
(d != OP_ANY || !IS_NEWLINE(ptr)) && |
|
(ims & PCRE_DOTALL) != 0 || |
|
|
!IS_NEWLINE(ptr) |
|
|
) && |
|
| 879 |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
| 880 |
{ |
{ |
| 881 |
if (count > 0 && codevalue == OP_TYPEPOSPLUS) |
if (count > 0 && codevalue == OP_TYPEPOSPLUS) |
| 898 |
{ |
{ |
| 899 |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
| 900 |
(c < 256 && |
(c < 256 && |
| 901 |
(d != OP_ANY || |
(d != OP_ANY || !IS_NEWLINE(ptr)) && |
|
(ims & PCRE_DOTALL) != 0 || |
|
|
!IS_NEWLINE(ptr) |
|
|
) && |
|
| 902 |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
| 903 |
{ |
{ |
| 904 |
if (codevalue == OP_TYPEPOSQUERY) |
if (codevalue == OP_TYPEPOSQUERY) |
| 920 |
{ |
{ |
| 921 |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
| 922 |
(c < 256 && |
(c < 256 && |
| 923 |
(d != OP_ANY || |
(d != OP_ANY || !IS_NEWLINE(ptr)) && |
|
(ims & PCRE_DOTALL) != 0 || |
|
|
!IS_NEWLINE(ptr) |
|
|
) && |
|
| 924 |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
| 925 |
{ |
{ |
| 926 |
if (codevalue == OP_TYPEPOSSTAR) |
if (codevalue == OP_TYPEPOSSTAR) |
| 940 |
{ |
{ |
| 941 |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
| 942 |
(c < 256 && |
(c < 256 && |
| 943 |
(d != OP_ANY || |
(d != OP_ANY || !IS_NEWLINE(ptr)) && |
|
(ims & PCRE_DOTALL) != 0 || |
|
|
!IS_NEWLINE(ptr) |
|
|
) && |
|
| 944 |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
| 945 |
{ |
{ |
| 946 |
if (++count >= GET2(code, 1)) |
if (++count >= GET2(code, 1)) |
| 961 |
{ |
{ |
| 962 |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
if ((c >= 256 && d != OP_DIGIT && d != OP_WHITESPACE && d != OP_WORDCHAR) || |
| 963 |
(c < 256 && |
(c < 256 && |
| 964 |
(d != OP_ANY || |
(d != OP_ANY || !IS_NEWLINE(ptr)) && |
|
(ims & PCRE_DOTALL) != 0 || |
|
|
!IS_NEWLINE(ptr) |
|
|
) && |
|
| 965 |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
((ctypes[c] & toptable1[d]) ^ toptable2[d]) != 0)) |
| 966 |
{ |
{ |
| 967 |
if (codevalue == OP_TYPEPOSUPTO) |
if (codevalue == OP_TYPEPOSUPTO) |
| 992 |
if (clen > 0) |
if (clen > 0) |
| 993 |
{ |
{ |
| 994 |
BOOL OK; |
BOOL OK; |
| 995 |
int category = _pcre_ucp_findprop(c, &chartype, &script); |
const ucd_record * prop = GET_UCD(c); |
| 996 |
switch(code[2]) |
switch(code[2]) |
| 997 |
{ |
{ |
| 998 |
case PT_ANY: |
case PT_ANY: |
| 1000 |
break; |
break; |
| 1001 |
|
|
| 1002 |
case PT_LAMP: |
case PT_LAMP: |
| 1003 |
OK = chartype == ucp_Lu || chartype == ucp_Ll || chartype == ucp_Lt; |
OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll || prop->chartype == ucp_Lt; |
| 1004 |
break; |
break; |
| 1005 |
|
|
| 1006 |
case PT_GC: |
case PT_GC: |
| 1007 |
OK = category == code[3]; |
OK = _pcre_ucp_gentype[prop->chartype] == code[3]; |
| 1008 |
break; |
break; |
| 1009 |
|
|
| 1010 |
case PT_PC: |
case PT_PC: |
| 1011 |
OK = chartype == code[3]; |
OK = prop->chartype == code[3]; |
| 1012 |
break; |
break; |
| 1013 |
|
|
| 1014 |
case PT_SC: |
case PT_SC: |
| 1015 |
OK = script == code[3]; |
OK = prop->script == code[3]; |
| 1016 |
break; |
break; |
| 1017 |
|
|
| 1018 |
/* Should never occur, but keep compilers from grumbling. */ |
/* Should never occur, but keep compilers from grumbling. */ |
| 1041 |
case OP_EXTUNI_EXTRA + OP_TYPEPOSPLUS: |
case OP_EXTUNI_EXTRA + OP_TYPEPOSPLUS: |
| 1042 |
count = current_state->count; /* Already matched */ |
count = current_state->count; /* Already matched */ |
| 1043 |
if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); } |
if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); } |
| 1044 |
if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M) |
if (clen > 0 && UCD_CATEGORY(c) != ucp_M) |
| 1045 |
{ |
{ |
| 1046 |
const uschar *nptr = ptr + clen; |
const uschar *nptr = ptr + clen; |
| 1047 |
int ncount = 0; |
int ncount = 0; |
| 1055 |
int nd; |
int nd; |
| 1056 |
int ndlen = 1; |
int ndlen = 1; |
| 1057 |
GETCHARLEN(nd, nptr, ndlen); |
GETCHARLEN(nd, nptr, ndlen); |
| 1058 |
if (_pcre_ucp_findprop(nd, &chartype, &script) != ucp_M) break; |
if (UCD_CATEGORY(nd) != ucp_M) break; |
| 1059 |
ncount++; |
ncount++; |
| 1060 |
nptr += ndlen; |
nptr += ndlen; |
| 1061 |
} |
} |
| 1076 |
int ncount = 0; |
int ncount = 0; |
| 1077 |
switch (c) |
switch (c) |
| 1078 |
{ |
{ |
| 1079 |
|
case 0x000b: |
| 1080 |
|
case 0x000c: |
| 1081 |
|
case 0x0085: |
| 1082 |
|
case 0x2028: |
| 1083 |
|
case 0x2029: |
| 1084 |
|
if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break; |
| 1085 |
|
goto ANYNL01; |
| 1086 |
|
|
| 1087 |
case 0x000d: |
case 0x000d: |
| 1088 |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
| 1089 |
/* Fall through */ |
/* Fall through */ |
| 1090 |
|
|
| 1091 |
|
ANYNL01: |
| 1092 |
|
case 0x000a: |
| 1093 |
|
if (count > 0 && codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSPLUS) |
| 1094 |
|
{ |
| 1095 |
|
active_count--; /* Remove non-match possibility */ |
| 1096 |
|
next_active_state--; |
| 1097 |
|
} |
| 1098 |
|
count++; |
| 1099 |
|
ADD_NEW_DATA(-state_offset, count, ncount); |
| 1100 |
|
break; |
| 1101 |
|
|
| 1102 |
|
default: |
| 1103 |
|
break; |
| 1104 |
|
} |
| 1105 |
|
} |
| 1106 |
|
break; |
| 1107 |
|
|
| 1108 |
|
/*-----------------------------------------------------------------*/ |
| 1109 |
|
case OP_VSPACE_EXTRA + OP_TYPEPLUS: |
| 1110 |
|
case OP_VSPACE_EXTRA + OP_TYPEMINPLUS: |
| 1111 |
|
case OP_VSPACE_EXTRA + OP_TYPEPOSPLUS: |
| 1112 |
|
count = current_state->count; /* Already matched */ |
| 1113 |
|
if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); } |
| 1114 |
|
if (clen > 0) |
| 1115 |
|
{ |
| 1116 |
|
BOOL OK; |
| 1117 |
|
switch (c) |
| 1118 |
|
{ |
| 1119 |
case 0x000a: |
case 0x000a: |
| 1120 |
case 0x000b: |
case 0x000b: |
| 1121 |
case 0x000c: |
case 0x000c: |
| 1122 |
|
case 0x000d: |
| 1123 |
case 0x0085: |
case 0x0085: |
| 1124 |
case 0x2028: |
case 0x2028: |
| 1125 |
case 0x2029: |
case 0x2029: |
| 1126 |
if (count > 0 && codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSPLUS) |
OK = TRUE; |
| 1127 |
|
break; |
| 1128 |
|
|
| 1129 |
|
default: |
| 1130 |
|
OK = FALSE; |
| 1131 |
|
break; |
| 1132 |
|
} |
| 1133 |
|
|
| 1134 |
|
if (OK == (d == OP_VSPACE)) |
| 1135 |
|
{ |
| 1136 |
|
if (count > 0 && codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSPLUS) |
| 1137 |
{ |
{ |
| 1138 |
active_count--; /* Remove non-match possibility */ |
active_count--; /* Remove non-match possibility */ |
| 1139 |
next_active_state--; |
next_active_state--; |
| 1140 |
} |
} |
| 1141 |
count++; |
count++; |
| 1142 |
ADD_NEW_DATA(-state_offset, count, ncount); |
ADD_NEW_DATA(-state_offset, count, 0); |
| 1143 |
|
} |
| 1144 |
|
} |
| 1145 |
|
break; |
| 1146 |
|
|
| 1147 |
|
/*-----------------------------------------------------------------*/ |
| 1148 |
|
case OP_HSPACE_EXTRA + OP_TYPEPLUS: |
| 1149 |
|
case OP_HSPACE_EXTRA + OP_TYPEMINPLUS: |
| 1150 |
|
case OP_HSPACE_EXTRA + OP_TYPEPOSPLUS: |
| 1151 |
|
count = current_state->count; /* Already matched */ |
| 1152 |
|
if (count > 0) { ADD_ACTIVE(state_offset + 2, 0); } |
| 1153 |
|
if (clen > 0) |
| 1154 |
|
{ |
| 1155 |
|
BOOL OK; |
| 1156 |
|
switch (c) |
| 1157 |
|
{ |
| 1158 |
|
case 0x09: /* HT */ |
| 1159 |
|
case 0x20: /* SPACE */ |
| 1160 |
|
case 0xa0: /* NBSP */ |
| 1161 |
|
case 0x1680: /* OGHAM SPACE MARK */ |
| 1162 |
|
case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ |
| 1163 |
|
case 0x2000: /* EN QUAD */ |
| 1164 |
|
case 0x2001: /* EM QUAD */ |
| 1165 |
|
case 0x2002: /* EN SPACE */ |
| 1166 |
|
case 0x2003: /* EM SPACE */ |
| 1167 |
|
case 0x2004: /* THREE-PER-EM SPACE */ |
| 1168 |
|
case 0x2005: /* FOUR-PER-EM SPACE */ |
| 1169 |
|
case 0x2006: /* SIX-PER-EM SPACE */ |
| 1170 |
|
case 0x2007: /* FIGURE SPACE */ |
| 1171 |
|
case 0x2008: /* PUNCTUATION SPACE */ |
| 1172 |
|
case 0x2009: /* THIN SPACE */ |
| 1173 |
|
case 0x200A: /* HAIR SPACE */ |
| 1174 |
|
case 0x202f: /* NARROW NO-BREAK SPACE */ |
| 1175 |
|
case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ |
| 1176 |
|
case 0x3000: /* IDEOGRAPHIC SPACE */ |
| 1177 |
|
OK = TRUE; |
| 1178 |
break; |
break; |
| 1179 |
|
|
| 1180 |
default: |
default: |
| 1181 |
|
OK = FALSE; |
| 1182 |
break; |
break; |
| 1183 |
} |
} |
| 1184 |
|
|
| 1185 |
|
if (OK == (d == OP_HSPACE)) |
| 1186 |
|
{ |
| 1187 |
|
if (count > 0 && codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSPLUS) |
| 1188 |
|
{ |
| 1189 |
|
active_count--; /* Remove non-match possibility */ |
| 1190 |
|
next_active_state--; |
| 1191 |
|
} |
| 1192 |
|
count++; |
| 1193 |
|
ADD_NEW_DATA(-state_offset, count, 0); |
| 1194 |
|
} |
| 1195 |
} |
} |
| 1196 |
break; |
break; |
| 1197 |
|
|
| 1214 |
if (clen > 0) |
if (clen > 0) |
| 1215 |
{ |
{ |
| 1216 |
BOOL OK; |
BOOL OK; |
| 1217 |
int category = _pcre_ucp_findprop(c, &chartype, &script); |
const ucd_record * prop = GET_UCD(c); |
| 1218 |
switch(code[2]) |
switch(code[2]) |
| 1219 |
{ |
{ |
| 1220 |
case PT_ANY: |
case PT_ANY: |
| 1222 |
break; |
break; |
| 1223 |
|
|
| 1224 |
case PT_LAMP: |
case PT_LAMP: |
| 1225 |
OK = chartype == ucp_Lu || chartype == ucp_Ll || chartype == ucp_Lt; |
OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll || prop->chartype == ucp_Lt; |
| 1226 |
break; |
break; |
| 1227 |
|
|
| 1228 |
case PT_GC: |
case PT_GC: |
| 1229 |
OK = category == code[3]; |
OK = _pcre_ucp_gentype[prop->chartype] == code[3]; |
| 1230 |
break; |
break; |
| 1231 |
|
|
| 1232 |
case PT_PC: |
case PT_PC: |
| 1233 |
OK = chartype == code[3]; |
OK = prop->chartype == code[3]; |
| 1234 |
break; |
break; |
| 1235 |
|
|
| 1236 |
case PT_SC: |
case PT_SC: |
| 1237 |
OK = script == code[3]; |
OK = prop->script == code[3]; |
| 1238 |
break; |
break; |
| 1239 |
|
|
| 1240 |
/* Should never occur, but keep compilers from grumbling. */ |
/* Should never occur, but keep compilers from grumbling. */ |
| 1272 |
QS2: |
QS2: |
| 1273 |
|
|
| 1274 |
ADD_ACTIVE(state_offset + 2, 0); |
ADD_ACTIVE(state_offset + 2, 0); |
| 1275 |
if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M) |
if (clen > 0 && UCD_CATEGORY(c) != ucp_M) |
| 1276 |
{ |
{ |
| 1277 |
const uschar *nptr = ptr + clen; |
const uschar *nptr = ptr + clen; |
| 1278 |
int ncount = 0; |
int ncount = 0; |
| 1287 |
int nd; |
int nd; |
| 1288 |
int ndlen = 1; |
int ndlen = 1; |
| 1289 |
GETCHARLEN(nd, nptr, ndlen); |
GETCHARLEN(nd, nptr, ndlen); |
| 1290 |
if (_pcre_ucp_findprop(nd, &chartype, &script) != ucp_M) break; |
if (UCD_CATEGORY(nd) != ucp_M) break; |
| 1291 |
ncount++; |
ncount++; |
| 1292 |
nptr += ndlen; |
nptr += ndlen; |
| 1293 |
} |
} |
| 1315 |
int ncount = 0; |
int ncount = 0; |
| 1316 |
switch (c) |
switch (c) |
| 1317 |
{ |
{ |
| 1318 |
|
case 0x000b: |
| 1319 |
|
case 0x000c: |
| 1320 |
|
case 0x0085: |
| 1321 |
|
case 0x2028: |
| 1322 |
|
case 0x2029: |
| 1323 |
|
if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break; |
| 1324 |
|
goto ANYNL02; |
| 1325 |
|
|
| 1326 |
case 0x000d: |
case 0x000d: |
| 1327 |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
| 1328 |
/* Fall through */ |
/* Fall through */ |
| 1329 |
|
|
| 1330 |
|
ANYNL02: |
| 1331 |
|
case 0x000a: |
| 1332 |
|
if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSSTAR || |
| 1333 |
|
codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSQUERY) |
| 1334 |
|
{ |
| 1335 |
|
active_count--; /* Remove non-match possibility */ |
| 1336 |
|
next_active_state--; |
| 1337 |
|
} |
| 1338 |
|
ADD_NEW_DATA(-(state_offset + count), 0, ncount); |
| 1339 |
|
break; |
| 1340 |
|
|
| 1341 |
|
default: |
| 1342 |
|
break; |
| 1343 |
|
} |
| 1344 |
|
} |
| 1345 |
|
break; |
| 1346 |
|
|
| 1347 |
|
/*-----------------------------------------------------------------*/ |
| 1348 |
|
case OP_VSPACE_EXTRA + OP_TYPEQUERY: |
| 1349 |
|
case OP_VSPACE_EXTRA + OP_TYPEMINQUERY: |
| 1350 |
|
case OP_VSPACE_EXTRA + OP_TYPEPOSQUERY: |
| 1351 |
|
count = 2; |
| 1352 |
|
goto QS4; |
| 1353 |
|
|
| 1354 |
|
case OP_VSPACE_EXTRA + OP_TYPESTAR: |
| 1355 |
|
case OP_VSPACE_EXTRA + OP_TYPEMINSTAR: |
| 1356 |
|
case OP_VSPACE_EXTRA + OP_TYPEPOSSTAR: |
| 1357 |
|
count = 0; |
| 1358 |
|
|
| 1359 |
|
QS4: |
| 1360 |
|
ADD_ACTIVE(state_offset + 2, 0); |
| 1361 |
|
if (clen > 0) |
| 1362 |
|
{ |
| 1363 |
|
BOOL OK; |
| 1364 |
|
switch (c) |
| 1365 |
|
{ |
| 1366 |
case 0x000a: |
case 0x000a: |
| 1367 |
case 0x000b: |
case 0x000b: |
| 1368 |
case 0x000c: |
case 0x000c: |
| 1369 |
|
case 0x000d: |
| 1370 |
case 0x0085: |
case 0x0085: |
| 1371 |
case 0x2028: |
case 0x2028: |
| 1372 |
case 0x2029: |
case 0x2029: |
| 1373 |
if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSSTAR || |
OK = TRUE; |
| 1374 |
codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSQUERY) |
break; |
| 1375 |
|
|
| 1376 |
|
default: |
| 1377 |
|
OK = FALSE; |
| 1378 |
|
break; |
| 1379 |
|
} |
| 1380 |
|
if (OK == (d == OP_VSPACE)) |
| 1381 |
|
{ |
| 1382 |
|
if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSSTAR || |
| 1383 |
|
codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSQUERY) |
| 1384 |
{ |
{ |
| 1385 |
active_count--; /* Remove non-match possibility */ |
active_count--; /* Remove non-match possibility */ |
| 1386 |
next_active_state--; |
next_active_state--; |
| 1387 |
} |
} |
| 1388 |
ADD_NEW_DATA(-(state_offset + count), 0, ncount); |
ADD_NEW_DATA(-(state_offset + count), 0, 0); |
| 1389 |
|
} |
| 1390 |
|
} |
| 1391 |
|
break; |
| 1392 |
|
|
| 1393 |
|
/*-----------------------------------------------------------------*/ |
| 1394 |
|
case OP_HSPACE_EXTRA + OP_TYPEQUERY: |
| 1395 |
|
case OP_HSPACE_EXTRA + OP_TYPEMINQUERY: |
| 1396 |
|
case OP_HSPACE_EXTRA + OP_TYPEPOSQUERY: |
| 1397 |
|
count = 2; |
| 1398 |
|
goto QS5; |
| 1399 |
|
|
| 1400 |
|
case OP_HSPACE_EXTRA + OP_TYPESTAR: |
| 1401 |
|
case OP_HSPACE_EXTRA + OP_TYPEMINSTAR: |
| 1402 |
|
case OP_HSPACE_EXTRA + OP_TYPEPOSSTAR: |
| 1403 |
|
count = 0; |
| 1404 |
|
|
| 1405 |
|
QS5: |
| 1406 |
|
ADD_ACTIVE(state_offset + 2, 0); |
| 1407 |
|
if (clen > 0) |
| 1408 |
|
{ |
| 1409 |
|
BOOL OK; |
| 1410 |
|
switch (c) |
| 1411 |
|
{ |
| 1412 |
|
case 0x09: /* HT */ |
| 1413 |
|
case 0x20: /* SPACE */ |
| 1414 |
|
case 0xa0: /* NBSP */ |
| 1415 |
|
case 0x1680: /* OGHAM SPACE MARK */ |
| 1416 |
|
case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ |
| 1417 |
|
case 0x2000: /* EN QUAD */ |
| 1418 |
|
case 0x2001: /* EM QUAD */ |
| 1419 |
|
case 0x2002: /* EN SPACE */ |
| 1420 |
|
case 0x2003: /* EM SPACE */ |
| 1421 |
|
case 0x2004: /* THREE-PER-EM SPACE */ |
| 1422 |
|
case 0x2005: /* FOUR-PER-EM SPACE */ |
| 1423 |
|
case 0x2006: /* SIX-PER-EM SPACE */ |
| 1424 |
|
case 0x2007: /* FIGURE SPACE */ |
| 1425 |
|
case 0x2008: /* PUNCTUATION SPACE */ |
| 1426 |
|
case 0x2009: /* THIN SPACE */ |
| 1427 |
|
case 0x200A: /* HAIR SPACE */ |
| 1428 |
|
case 0x202f: /* NARROW NO-BREAK SPACE */ |
| 1429 |
|
case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ |
| 1430 |
|
case 0x3000: /* IDEOGRAPHIC SPACE */ |
| 1431 |
|
OK = TRUE; |
| 1432 |
break; |
break; |
| 1433 |
|
|
| 1434 |
default: |
default: |
| 1435 |
|
OK = FALSE; |
| 1436 |
break; |
break; |
| 1437 |
} |
} |
| 1438 |
|
|
| 1439 |
|
if (OK == (d == OP_HSPACE)) |
| 1440 |
|
{ |
| 1441 |
|
if (codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSSTAR || |
| 1442 |
|
codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSQUERY) |
| 1443 |
|
{ |
| 1444 |
|
active_count--; /* Remove non-match possibility */ |
| 1445 |
|
next_active_state--; |
| 1446 |
|
} |
| 1447 |
|
ADD_NEW_DATA(-(state_offset + count), 0, 0); |
| 1448 |
|
} |
| 1449 |
} |
} |
| 1450 |
break; |
break; |
| 1451 |
|
|
| 1461 |
if (clen > 0) |
if (clen > 0) |
| 1462 |
{ |
{ |
| 1463 |
BOOL OK; |
BOOL OK; |
| 1464 |
int category = _pcre_ucp_findprop(c, &chartype, &script); |
const ucd_record * prop = GET_UCD(c); |
| 1465 |
switch(code[4]) |
switch(code[4]) |
| 1466 |
{ |
{ |
| 1467 |
case PT_ANY: |
case PT_ANY: |
| 1469 |
break; |
break; |
| 1470 |
|
|
| 1471 |
case PT_LAMP: |
case PT_LAMP: |
| 1472 |
OK = chartype == ucp_Lu || chartype == ucp_Ll || chartype == ucp_Lt; |
OK = prop->chartype == ucp_Lu || prop->chartype == ucp_Ll || prop->chartype == ucp_Lt; |
| 1473 |
break; |
break; |
| 1474 |
|
|
| 1475 |
case PT_GC: |
case PT_GC: |
| 1476 |
OK = category == code[5]; |
OK = _pcre_ucp_gentype[prop->chartype] == code[5]; |
| 1477 |
break; |
break; |
| 1478 |
|
|
| 1479 |
case PT_PC: |
case PT_PC: |
| 1480 |
OK = chartype == code[5]; |
OK = prop->chartype == code[5]; |
| 1481 |
break; |
break; |
| 1482 |
|
|
| 1483 |
case PT_SC: |
case PT_SC: |
| 1484 |
OK = script == code[5]; |
OK = prop->script == code[5]; |
| 1485 |
break; |
break; |
| 1486 |
|
|
| 1487 |
/* Should never occur, but keep compilers from grumbling. */ |
/* Should never occur, but keep compilers from grumbling. */ |
| 1514 |
if (codevalue != OP_EXTUNI_EXTRA + OP_TYPEEXACT) |
if (codevalue != OP_EXTUNI_EXTRA + OP_TYPEEXACT) |
| 1515 |
{ ADD_ACTIVE(state_offset + 4, 0); } |
{ ADD_ACTIVE(state_offset + 4, 0); } |
| 1516 |
count = current_state->count; /* Number already matched */ |
count = current_state->count; /* Number already matched */ |
| 1517 |
if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M) |
if (clen > 0 && UCD_CATEGORY(c) != ucp_M) |
| 1518 |
{ |
{ |
| 1519 |
const uschar *nptr = ptr + clen; |
const uschar *nptr = ptr + clen; |
| 1520 |
int ncount = 0; |
int ncount = 0; |
| 1528 |
int nd; |
int nd; |
| 1529 |
int ndlen = 1; |
int ndlen = 1; |
| 1530 |
GETCHARLEN(nd, nptr, ndlen); |
GETCHARLEN(nd, nptr, ndlen); |
| 1531 |
if (_pcre_ucp_findprop(nd, &chartype, &script) != ucp_M) break; |
if (UCD_CATEGORY(nd) != ucp_M) break; |
| 1532 |
ncount++; |
ncount++; |
| 1533 |
nptr += ndlen; |
nptr += ndlen; |
| 1534 |
} |
} |
| 1553 |
int ncount = 0; |
int ncount = 0; |
| 1554 |
switch (c) |
switch (c) |
| 1555 |
{ |
{ |
| 1556 |
|
case 0x000b: |
| 1557 |
|
case 0x000c: |
| 1558 |
|
case 0x0085: |
| 1559 |
|
case 0x2028: |
| 1560 |
|
case 0x2029: |
| 1561 |
|
if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break; |
| 1562 |
|
goto ANYNL03; |
| 1563 |
|
|
| 1564 |
case 0x000d: |
case 0x000d: |
| 1565 |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1; |
| 1566 |
/* Fall through */ |
/* Fall through */ |
| 1567 |
|
|
| 1568 |
|
ANYNL03: |
| 1569 |
|
case 0x000a: |
| 1570 |
|
if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSUPTO) |
| 1571 |
|
{ |
| 1572 |
|
active_count--; /* Remove non-match possibility */ |
| 1573 |
|
next_active_state--; |
| 1574 |
|
} |
| 1575 |
|
if (++count >= GET2(code, 1)) |
| 1576 |
|
{ ADD_NEW_DATA(-(state_offset + 4), 0, ncount); } |
| 1577 |
|
else |
| 1578 |
|
{ ADD_NEW_DATA(-state_offset, count, ncount); } |
| 1579 |
|
break; |
| 1580 |
|
|
| 1581 |
|
default: |
| 1582 |
|
break; |
| 1583 |
|
} |
| 1584 |
|
} |
| 1585 |
|
break; |
| 1586 |
|
|
| 1587 |
|
/*-----------------------------------------------------------------*/ |
| 1588 |
|
case OP_VSPACE_EXTRA + OP_TYPEEXACT: |
| 1589 |
|
case OP_VSPACE_EXTRA + OP_TYPEUPTO: |
| 1590 |
|
case OP_VSPACE_EXTRA + OP_TYPEMINUPTO: |
| 1591 |
|
case OP_VSPACE_EXTRA + OP_TYPEPOSUPTO: |
| 1592 |
|
if (codevalue != OP_VSPACE_EXTRA + OP_TYPEEXACT) |
| 1593 |
|
{ ADD_ACTIVE(state_offset + 4, 0); } |
| 1594 |
|
count = current_state->count; /* Number already matched */ |
| 1595 |
|
if (clen > 0) |
| 1596 |
|
{ |
| 1597 |
|
BOOL OK; |
| 1598 |
|
switch (c) |
| 1599 |
|
{ |
| 1600 |
case 0x000a: |
case 0x000a: |
| 1601 |
case 0x000b: |
case 0x000b: |
| 1602 |
case 0x000c: |
case 0x000c: |
| 1603 |
|
case 0x000d: |
| 1604 |
case 0x0085: |
case 0x0085: |
| 1605 |
case 0x2028: |
case 0x2028: |
| 1606 |
case 0x2029: |
case 0x2029: |
| 1607 |
if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSUPTO) |
OK = TRUE; |
| 1608 |
|
break; |
| 1609 |
|
|
| 1610 |
|
default: |
| 1611 |
|
OK = FALSE; |
| 1612 |
|
} |
| 1613 |
|
|
| 1614 |
|
if (OK == (d == OP_VSPACE)) |
| 1615 |
|
{ |
| 1616 |
|
if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSUPTO) |
| 1617 |
{ |
{ |
| 1618 |
active_count--; /* Remove non-match possibility */ |
active_count--; /* Remove non-match possibility */ |
| 1619 |
next_active_state--; |
next_active_state--; |
| 1620 |
} |
} |
| 1621 |
if (++count >= GET2(code, 1)) |
if (++count >= GET2(code, 1)) |
| 1622 |
{ ADD_NEW_DATA(-(state_offset + 4), 0, ncount); } |
{ ADD_NEW_DATA(-(state_offset + 4), 0, 0); } |
| 1623 |
else |
else |
| 1624 |
{ ADD_NEW_DATA(-state_offset, count, ncount); } |
{ ADD_NEW_DATA(-state_offset, count, 0); } |
| 1625 |
|
} |
| 1626 |
|
} |
| 1627 |
|
break; |
| 1628 |
|
|
| 1629 |
|
/*-----------------------------------------------------------------*/ |
| 1630 |
|
case OP_HSPACE_EXTRA + OP_TYPEEXACT: |
| 1631 |
|
case OP_HSPACE_EXTRA + OP_TYPEUPTO: |
| 1632 |
|
case OP_HSPACE_EXTRA + OP_TYPEMINUPTO: |
| 1633 |
|
case OP_HSPACE_EXTRA + OP_TYPEPOSUPTO: |
| 1634 |
|
if (codevalue != OP_HSPACE_EXTRA + OP_TYPEEXACT) |
| 1635 |
|
{ ADD_ACTIVE(state_offset + 4, 0); } |
| 1636 |
|
count = current_state->count; /* Number already matched */ |
| 1637 |
|
if (clen > 0) |
| 1638 |
|
{ |
| 1639 |
|
BOOL OK; |
| 1640 |
|
switch (c) |
| 1641 |
|
{ |
| 1642 |
|
case 0x09: /* HT */ |
| 1643 |
|
case 0x20: /* SPACE */ |
| 1644 |
|
case 0xa0: /* NBSP */ |
| 1645 |
|
case 0x1680: /* OGHAM SPACE MARK */ |
| 1646 |
|
case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ |
| 1647 |
|
case 0x2000: /* EN QUAD */ |
| 1648 |
|
case 0x2001: /* EM QUAD */ |
| 1649 |
|
case 0x2002: /* EN SPACE */ |
| 1650 |
|
case 0x2003: /* EM SPACE */ |
| 1651 |
|
case 0x2004: /* THREE-PER-EM SPACE */ |
| 1652 |
|
case 0x2005: /* FOUR-PER-EM SPACE */ |
| 1653 |
|
case 0x2006: /* SIX-PER-EM SPACE */ |
| 1654 |
|
case 0x2007: /* FIGURE SPACE */ |
| 1655 |
|
case 0x2008: /* PUNCTUATION SPACE */ |
| 1656 |
|
case 0x2009: /* THIN SPACE */ |
| 1657 |
|
case 0x200A: /* HAIR SPACE */ |
| 1658 |
|
case 0x202f: /* NARROW NO-BREAK SPACE */ |
| 1659 |
|
case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ |
| 1660 |
|
case 0x3000: /* IDEOGRAPHIC SPACE */ |
| 1661 |
|
OK = TRUE; |
| 1662 |
break; |
break; |
| 1663 |
|
|
| 1664 |
default: |
default: |
| 1665 |
|
OK = FALSE; |
| 1666 |
break; |
break; |
| 1667 |
} |
} |
| 1668 |
|
|
| 1669 |
|
if (OK == (d == OP_HSPACE)) |
| 1670 |
|
{ |
| 1671 |
|
if (codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSUPTO) |
| 1672 |
|
{ |
| 1673 |
|
active_count--; /* Remove non-match possibility */ |
| 1674 |
|
next_active_state--; |
| 1675 |
|
} |
| 1676 |
|
if (++count >= GET2(code, 1)) |
| 1677 |
|
{ ADD_NEW_DATA(-(state_offset + 4), 0, 0); } |
| 1678 |
|
else |
| 1679 |
|
{ ADD_NEW_DATA(-state_offset, count, 0); } |
| 1680 |
|
} |
| 1681 |
} |
} |
| 1682 |
break; |
break; |
| 1683 |
|
|
| 1708 |
other case of the character. */ |
other case of the character. */ |
| 1709 |
|
|
| 1710 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 1711 |
othercase = _pcre_ucp_othercase(c); |
othercase = UCD_OTHERCASE(c); |
| 1712 |
#else |
#else |
| 1713 |
othercase = NOTACHAR; |
othercase = NOTACHAR; |
| 1714 |
#endif |
#endif |
| 1733 |
to wait for them to pass before continuing. */ |
to wait for them to pass before continuing. */ |
| 1734 |
|
|
| 1735 |
case OP_EXTUNI: |
case OP_EXTUNI: |
| 1736 |
if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M) |
if (clen > 0 && UCD_CATEGORY(c) != ucp_M) |
| 1737 |
{ |
{ |
| 1738 |
const uschar *nptr = ptr + clen; |
const uschar *nptr = ptr + clen; |
| 1739 |
int ncount = 0; |
int ncount = 0; |
| 1741 |
{ |
{ |
| 1742 |
int nclen = 1; |
int nclen = 1; |
| 1743 |
GETCHARLEN(c, nptr, nclen); |
GETCHARLEN(c, nptr, nclen); |
| 1744 |
if (_pcre_ucp_findprop(c, &chartype, &script) != ucp_M) break; |
if (UCD_CATEGORY(c) != ucp_M) break; |
| 1745 |
ncount++; |
ncount++; |
| 1746 |
nptr += nclen; |
nptr += nclen; |
| 1747 |
} |
} |
| 1758 |
case OP_ANYNL: |
case OP_ANYNL: |
| 1759 |
if (clen > 0) switch(c) |
if (clen > 0) switch(c) |
| 1760 |
{ |
{ |
|
case 0x000a: |
|
| 1761 |
case 0x000b: |
case 0x000b: |
| 1762 |
case 0x000c: |
case 0x000c: |
| 1763 |
case 0x0085: |
case 0x0085: |
| 1764 |
case 0x2028: |
case 0x2028: |
| 1765 |
case 0x2029: |
case 0x2029: |
| 1766 |
|
if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break; |
| 1767 |
|
|
| 1768 |
|
case 0x000a: |
| 1769 |
ADD_NEW(state_offset + 1, 0); |
ADD_NEW(state_offset + 1, 0); |
| 1770 |
break; |
break; |
| 1771 |
|
|
| 1772 |
case 0x000d: |
case 0x000d: |
| 1773 |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) |
if (ptr + 1 < end_subject && ptr[1] == 0x0a) |
| 1774 |
{ |
{ |
| 1783 |
break; |
break; |
| 1784 |
|
|
| 1785 |
/*-----------------------------------------------------------------*/ |
/*-----------------------------------------------------------------*/ |
| 1786 |
|
case OP_NOT_VSPACE: |
| 1787 |
|
if (clen > 0) switch(c) |
| 1788 |
|
{ |
| 1789 |
|
case 0x000a: |
| 1790 |
|
case 0x000b: |
| 1791 |
|
case 0x000c: |
| 1792 |
|
case 0x000d: |
| 1793 |
|
case 0x0085: |
| 1794 |
|
case 0x2028: |
| 1795 |
|
case 0x2029: |
| 1796 |
|
break; |
| 1797 |
|
|
| 1798 |
|
default: |
| 1799 |
|
ADD_NEW(state_offset + 1, 0); |
| 1800 |
|
break; |
| 1801 |
|
} |
| 1802 |
|
break; |
| 1803 |
|
|
| 1804 |
|
/*-----------------------------------------------------------------*/ |
| 1805 |
|
case OP_VSPACE: |
| 1806 |
|
if (clen > 0) switch(c) |
| 1807 |
|
{ |
| 1808 |
|
case 0x000a: |
| 1809 |
|
case 0x000b: |
| 1810 |
|
case 0x000c: |
| 1811 |
|
case 0x000d: |
| 1812 |
|
case 0x0085: |
| 1813 |
|
case 0x2028: |
| 1814 |
|
case 0x2029: |
| 1815 |
|
ADD_NEW(state_offset + 1, 0); |
| 1816 |
|
break; |
| 1817 |
|
|
| 1818 |
|
default: break; |
| 1819 |
|
} |
| 1820 |
|
break; |
| 1821 |
|
|
| 1822 |
|
/*-----------------------------------------------------------------*/ |
| 1823 |
|
case OP_NOT_HSPACE: |
| 1824 |
|
if (clen > 0) switch(c) |
| 1825 |
|
{ |
| 1826 |
|
case 0x09: /* HT */ |
| 1827 |
|
case 0x20: /* SPACE */ |
| 1828 |
|
case 0xa0: /* NBSP */ |
| 1829 |
|
case 0x1680: /* OGHAM SPACE MARK */ |
| 1830 |
|
case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ |
| 1831 |
|
case 0x2000: /* EN QUAD */ |
| 1832 |
|
case 0x2001: /* EM QUAD */ |
| 1833 |
|
case 0x2002: /* EN SPACE */ |
| 1834 |
|
case 0x2003: /* EM SPACE */ |
| 1835 |
|
case 0x2004: /* THREE-PER-EM SPACE */ |
| 1836 |
|
case 0x2005: /* FOUR-PER-EM SPACE */ |
| 1837 |
|
case 0x2006: /* SIX-PER-EM SPACE */ |
| 1838 |
|
case 0x2007: /* FIGURE SPACE */ |
| 1839 |
|
case 0x2008: /* PUNCTUATION SPACE */ |
| 1840 |
|
case 0x2009: /* THIN SPACE */ |
| 1841 |
|
case 0x200A: /* HAIR SPACE */ |
| 1842 |
|
case 0x202f: /* NARROW NO-BREAK SPACE */ |
| 1843 |
|
case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ |
| 1844 |
|
case 0x3000: /* IDEOGRAPHIC SPACE */ |
| 1845 |
|
break; |
| 1846 |
|
|
| 1847 |
|
default: |
| 1848 |
|
ADD_NEW(state_offset + 1, 0); |
| 1849 |
|
break; |
| 1850 |
|
} |
| 1851 |
|
break; |
| 1852 |
|
|
| 1853 |
|
/*-----------------------------------------------------------------*/ |
| 1854 |
|
case OP_HSPACE: |
| 1855 |
|
if (clen > 0) switch(c) |
| 1856 |
|
{ |
| 1857 |
|
case 0x09: /* HT */ |
| 1858 |
|
case 0x20: /* SPACE */ |
| 1859 |
|
case 0xa0: /* NBSP */ |
| 1860 |
|
case 0x1680: /* OGHAM SPACE MARK */ |
| 1861 |
|
case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ |
| 1862 |
|
case 0x2000: /* EN QUAD */ |
| 1863 |
|
case 0x2001: /* EM QUAD */ |
| 1864 |
|
case 0x2002: /* EN SPACE */ |
| 1865 |
|
case 0x2003: /* EM SPACE */ |
| 1866 |
|
case 0x2004: /* THREE-PER-EM SPACE */ |
| 1867 |
|
case 0x2005: /* FOUR-PER-EM SPACE */ |
| 1868 |
|
case 0x2006: /* SIX-PER-EM SPACE */ |
| 1869 |
|
case 0x2007: /* FIGURE SPACE */ |
| 1870 |
|
case 0x2008: /* PUNCTUATION SPACE */ |
| 1871 |
|
case 0x2009: /* THIN SPACE */ |
| 1872 |
|
case 0x200A: /* HAIR SPACE */ |
| 1873 |
|
case 0x202f: /* NARROW NO-BREAK SPACE */ |
| 1874 |
|
case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ |
| 1875 |
|
case 0x3000: /* IDEOGRAPHIC SPACE */ |
| 1876 |
|
ADD_NEW(state_offset + 1, 0); |
| 1877 |
|
break; |
| 1878 |
|
} |
| 1879 |
|
break; |
| 1880 |
|
|
| 1881 |
|
/*-----------------------------------------------------------------*/ |
| 1882 |
/* Match a negated single character. This is only used for one-byte |
/* Match a negated single character. This is only used for one-byte |
| 1883 |
characters, that is, we know that d < 256. The character we are |
characters, that is, we know that d < 256. The character we are |
| 1884 |
checking (c) can be multibyte. */ |
checking (c) can be multibyte. */ |
| 1909 |
if (utf8 && d >= 128) |
if (utf8 && d >= 128) |
| 1910 |
{ |
{ |
| 1911 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 1912 |
otherd = _pcre_ucp_othercase(d); |
otherd = UCD_OTHERCASE(d); |
| 1913 |
#endif /* SUPPORT_UCP */ |
#endif /* SUPPORT_UCP */ |
| 1914 |
} |
} |
| 1915 |
else |
else |
| 1947 |
if (utf8 && d >= 128) |
if (utf8 && d >= 128) |
| 1948 |
{ |
{ |
| 1949 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 1950 |
otherd = _pcre_ucp_othercase(d); |
otherd = UCD_OTHERCASE(d); |
| 1951 |
#endif /* SUPPORT_UCP */ |
#endif /* SUPPORT_UCP */ |
| 1952 |
} |
} |
| 1953 |
else |
else |
| 1983 |
if (utf8 && d >= 128) |
if (utf8 && d >= 128) |
| 1984 |
{ |
{ |
| 1985 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 1986 |
otherd = _pcre_ucp_othercase(d); |
otherd = UCD_OTHERCASE(d); |
| 1987 |
#endif /* SUPPORT_UCP */ |
#endif /* SUPPORT_UCP */ |
| 1988 |
} |
} |
| 1989 |
else |
else |
| 2015 |
if (utf8 && d >= 128) |
if (utf8 && d >= 128) |
| 2016 |
{ |
{ |
| 2017 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 2018 |
otherd = _pcre_ucp_othercase(d); |
otherd = UCD_OTHERCASE(d); |
| 2019 |
#endif /* SUPPORT_UCP */ |
#endif /* SUPPORT_UCP */ |
| 2020 |
} |
} |
| 2021 |
else |
else |
| 2050 |
if (utf8 && d >= 128) |
if (utf8 && d >= 128) |
| 2051 |
{ |
{ |
| 2052 |
#ifdef SUPPORT_UCP |
#ifdef SUPPORT_UCP |
| 2053 |
otherd = _pcre_ucp_othercase(d); |
otherd = UCD_OTHERCASE(d); |
| 2054 |
#endif /* SUPPORT_UCP */ |
#endif /* SUPPORT_UCP */ |
| 2055 |
} |
} |
| 2056 |
else |
else |
| 2158 |
|
|
| 2159 |
/* ========================================================================== */ |
/* ========================================================================== */ |
| 2160 |
/* These are the opcodes for fancy brackets of various kinds. We have |
/* These are the opcodes for fancy brackets of various kinds. We have |
| 2161 |
to use recursion in order to handle them. */ |
to use recursion in order to handle them. The "always failing" assersion |
| 2162 |
|
(?!) is optimised when compiling to OP_FAIL, so we have to support that, |
| 2163 |
|
though the other "backtracking verbs" are not supported. */ |
| 2164 |
|
|
| 2165 |
|
case OP_FAIL: |
| 2166 |
|
break; |
| 2167 |
|
|
| 2168 |
case OP_ASSERT: |
case OP_ASSERT: |
| 2169 |
case OP_ASSERT_NOT: |
case OP_ASSERT_NOT: |
| 2201 |
{ |
{ |
| 2202 |
int local_offsets[1000]; |
int local_offsets[1000]; |
| 2203 |
int local_workspace[1000]; |
int local_workspace[1000]; |
| 2204 |
int condcode = code[LINK_SIZE+1]; |
int codelink = GET(code, 1); |
| 2205 |
|
int condcode; |
| 2206 |
|
|
| 2207 |
|
/* Because of the way auto-callout works during compile, a callout item |
| 2208 |
|
is inserted between OP_COND and an assertion condition. */ |
| 2209 |
|
|
| 2210 |
|
if (code[LINK_SIZE+1] == OP_CALLOUT) |
| 2211 |
|
{ |
| 2212 |
|
if (pcre_callout != NULL) |
| 2213 |
|
{ |
| 2214 |
|
int rrc; |
| 2215 |
|
pcre_callout_block cb; |
| 2216 |
|
cb.version = 1; /* Version 1 of the callout block */ |
| 2217 |
|
cb.callout_number = code[LINK_SIZE+2]; |
| 2218 |
|
cb.offset_vector = offsets; |
| 2219 |
|
cb.subject = (PCRE_SPTR)start_subject; |
| 2220 |
|
cb.subject_length = end_subject - start_subject; |
| 2221 |
|
cb.start_match = current_subject - start_subject; |
| 2222 |
|
cb.current_position = ptr - start_subject; |
| 2223 |
|
cb.pattern_position = GET(code, LINK_SIZE + 3); |
| 2224 |
|
cb.next_item_length = GET(code, 3 + 2*LINK_SIZE); |
| 2225 |
|
cb.capture_top = 1; |
| 2226 |
|
cb.capture_last = -1; |
| 2227 |
|
cb.callout_data = md->callout_data; |
| 2228 |
|
if ((rrc = (*pcre_callout)(&cb)) < 0) return rrc; /* Abandon */ |
| 2229 |
|
if (rrc == 0) { ADD_ACTIVE(state_offset + _pcre_OP_lengths[OP_CALLOUT], 0); } |
| 2230 |
|
} |
| 2231 |
|
code += _pcre_OP_lengths[OP_CALLOUT]; |
| 2232 |
|
} |
| 2233 |
|
|
| 2234 |
|
condcode = code[LINK_SIZE+1]; |
| 2235 |
|
|
| 2236 |
/* Back reference conditions are not supported */ |
/* Back reference conditions are not supported */ |
| 2237 |
|
|
| 2238 |
if (condcode == OP_CREF) return PCRE_ERROR_DFA_UCOND; |
if (condcode == OP_CREF) return PCRE_ERROR_DFA_UCOND; |
| 2241 |
|
|
| 2242 |
if (condcode == OP_DEF) |
if (condcode == OP_DEF) |
| 2243 |
{ |
{ |
| 2244 |
ADD_ACTIVE(state_offset + GET(code, 1) + LINK_SIZE + 1, 0); |
ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); |
| 2245 |
} |
} |
| 2246 |
|
|
| 2247 |
/* The only supported version of OP_RREF is for the value RREF_ANY, |
/* The only supported version of OP_RREF is for the value RREF_ANY, |
| 2253 |
int value = GET2(code, LINK_SIZE+2); |
int value = GET2(code, LINK_SIZE+2); |
| 2254 |
if (value != RREF_ANY) return PCRE_ERROR_DFA_UCOND; |
if (value != RREF_ANY) return PCRE_ERROR_DFA_UCOND; |
| 2255 |
if (recursing > 0) { ADD_ACTIVE(state_offset + LINK_SIZE + 4, 0); } |
if (recursing > 0) { ADD_ACTIVE(state_offset + LINK_SIZE + 4, 0); } |
| 2256 |
else { ADD_ACTIVE(state_offset + GET(code, 1) + LINK_SIZE + 1, 0); } |
else { ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); } |
| 2257 |
} |
} |
| 2258 |
|
|
| 2259 |
/* Otherwise, the condition is an assertion */ |
/* Otherwise, the condition is an assertion */ |
| 2281 |
|
|
| 2282 |
if ((rc >= 0) == |
if ((rc >= 0) == |
| 2283 |
(condcode == OP_ASSERT || condcode == OP_ASSERTBACK)) |
(condcode == OP_ASSERT || condcode == OP_ASSERTBACK)) |
| 2284 |
{ ADD_ACTIVE(endasscode + LINK_SIZE + 1 - start_code, 0); } |
{ |
| 2285 |
|
ADD_ACTIVE(endasscode + LINK_SIZE + 1 - start_code, 0); |
| 2286 |
|
} |
| 2287 |
else |
else |
| 2288 |
{ ADD_ACTIVE(state_offset + GET(code, 1) + LINK_SIZE + 1, 0); } |
{ ADD_ACTIVE(state_offset + codelink + LINK_SIZE + 1, 0); } |
| 2289 |
} |
} |
| 2290 |
} |
} |
| 2291 |
break; |
break; |
| 2437 |
/* Handle callouts */ |
/* Handle callouts */ |
| 2438 |
|
|
| 2439 |
case OP_CALLOUT: |
case OP_CALLOUT: |
| 2440 |
|
rrc = 0; |
| 2441 |
if (pcre_callout != NULL) |
if (pcre_callout != NULL) |
| 2442 |
{ |
{ |
|
int rrc; |
|
| 2443 |
pcre_callout_block cb; |
pcre_callout_block cb; |
| 2444 |
cb.version = 1; /* Version 1 of the callout block */ |
cb.version = 1; /* Version 1 of the callout block */ |
| 2445 |
cb.callout_number = code[1]; |
cb.callout_number = code[1]; |
| 2454 |
cb.capture_last = -1; |
cb.capture_last = -1; |
| 2455 |
cb.callout_data = md->callout_data; |
cb.callout_data = md->callout_data; |
| 2456 |
if ((rrc = (*pcre_callout)(&cb)) < 0) return rrc; /* Abandon */ |
if ((rrc = (*pcre_callout)(&cb)) < 0) return rrc; /* Abandon */ |
| 2457 |
if (rrc == 0) { ADD_ACTIVE(state_offset + 2 + 2*LINK_SIZE, 0); } |
} |
| 2458 |
} |
if (rrc == 0) |
| 2459 |
|
{ ADD_ACTIVE(state_offset + _pcre_OP_lengths[OP_CALLOUT], 0); } |
| 2460 |
break; |
break; |
| 2461 |
|
|
| 2462 |
|
|
| 2539 |
< -1 => some kind of unexpected problem |
< -1 => some kind of unexpected problem |
| 2540 |
*/ |
*/ |
| 2541 |
|
|
| 2542 |
PCRE_EXP_DEFN int |
PCRE_EXP_DEFN int PCRE_CALL_CONVENTION |
| 2543 |
pcre_dfa_exec(const pcre *argument_re, const pcre_extra *extra_data, |
pcre_dfa_exec(const pcre *argument_re, const pcre_extra *extra_data, |
| 2544 |
const char *subject, int length, int start_offset, int options, int *offsets, |
const char *subject, int length, int start_offset, int options, int *offsets, |
| 2545 |
int offsetcount, int *workspace, int wscount) |
int offsetcount, int *workspace, int wscount) |
| 2629 |
md->moptions = options; |
md->moptions = options; |
| 2630 |
md->poptions = re->options; |
md->poptions = re->options; |
| 2631 |
|
|
| 2632 |
|
/* If the BSR option is not set at match time, copy what was set |
| 2633 |
|
at compile time. */ |
| 2634 |
|
|
| 2635 |
|
if ((md->moptions & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) == 0) |
| 2636 |
|
{ |
| 2637 |
|
if ((re->options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) != 0) |
| 2638 |
|
md->moptions |= re->options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE); |
| 2639 |
|
#ifdef BSR_ANYCRLF |
| 2640 |
|
else md->moptions |= PCRE_BSR_ANYCRLF; |
| 2641 |
|
#endif |
| 2642 |
|
} |
| 2643 |
|
|
| 2644 |
/* Handle different types of newline. The three bits give eight cases. If |
/* Handle different types of newline. The three bits give eight cases. If |
| 2645 |
nothing is set at run time, whatever was used at compile time applies. */ |
nothing is set at run time, whatever was used at compile time applies. */ |
| 2646 |
|
|
| 2648 |
PCRE_NEWLINE_BITS) |
PCRE_NEWLINE_BITS) |
| 2649 |
{ |
{ |
| 2650 |
case 0: newline = NEWLINE; break; /* Compile-time default */ |
case 0: newline = NEWLINE; break; /* Compile-time default */ |
| 2651 |
case PCRE_NEWLINE_CR: newline = '\r'; break; |
case PCRE_NEWLINE_CR: newline = CHAR_CR; break; |
| 2652 |
case PCRE_NEWLINE_LF: newline = '\n'; break; |
case PCRE_NEWLINE_LF: newline = CHAR_NL; break; |
| 2653 |
case PCRE_NEWLINE_CR+ |
case PCRE_NEWLINE_CR+ |
| 2654 |
PCRE_NEWLINE_LF: newline = ('\r' << 8) | '\n'; break; |
PCRE_NEWLINE_LF: newline = (CHAR_CR << 8) | CHAR_NL; break; |
| 2655 |
case PCRE_NEWLINE_ANY: newline = -1; break; |
case PCRE_NEWLINE_ANY: newline = -1; break; |
| 2656 |
case PCRE_NEWLINE_ANYCRLF: newline = -2; break; |
case PCRE_NEWLINE_ANYCRLF: newline = -2; break; |
| 2657 |
default: return PCRE_ERROR_BADNEWLINE; |
default: return PCRE_ERROR_BADNEWLINE; |
| 2711 |
used in a loop when finding where to start. */ |
used in a loop when finding where to start. */ |
| 2712 |
|
|
| 2713 |
lcc = md->tables + lcc_offset; |
lcc = md->tables + lcc_offset; |
| 2714 |
startline = (re->options & PCRE_STARTLINE) != 0; |
startline = (re->flags & PCRE_STARTLINE) != 0; |
| 2715 |
firstline = (re->options & PCRE_FIRSTLINE) != 0; |
firstline = (re->options & PCRE_FIRSTLINE) != 0; |
| 2716 |
|
|
| 2717 |
/* Set up the first character to match, if available. The first_byte value is |
/* Set up the first character to match, if available. The first_byte value is |
| 2722 |
|
|
| 2723 |
if (!anchored) |
if (!anchored) |
| 2724 |
{ |
{ |
| 2725 |
if ((re->options & PCRE_FIRSTSET) != 0) |
if ((re->flags & PCRE_FIRSTSET) != 0) |
| 2726 |
{ |
{ |
| 2727 |
first_byte = re->first_byte & 255; |
first_byte = re->first_byte & 255; |
| 2728 |
if ((first_byte_caseless = ((re->first_byte & REQ_CASELESS) != 0)) == TRUE) |
if ((first_byte_caseless = ((re->first_byte & REQ_CASELESS) != 0)) == TRUE) |
| 2739 |
/* For anchored or unanchored matches, there may be a "last known required |
/* For anchored or unanchored matches, there may be a "last known required |
| 2740 |
character" set. */ |
character" set. */ |
| 2741 |
|
|
| 2742 |
if ((re->options & PCRE_REQCHSET) != 0) |
if ((re->flags & PCRE_REQCHSET) != 0) |
| 2743 |
{ |
{ |
| 2744 |
req_byte = re->req_byte & 255; |
req_byte = re->req_byte & 255; |
| 2745 |
req_byte_caseless = (re->req_byte & REQ_CASELESS) != 0; |
req_byte_caseless = (re->req_byte & REQ_CASELESS) != 0; |
| 2747 |
} |
} |
| 2748 |
|
|
| 2749 |
/* Call the main matching function, looping for a non-anchored regex after a |
/* Call the main matching function, looping for a non-anchored regex after a |
| 2750 |
failed match. Unless restarting, optimize by moving to the first match |
failed match. If not restarting, perform certain optimizations at the start of |
| 2751 |
character if possible, when not anchored. Then unless wanting a partial match, |
a match. */ |
|
check for a required later character. */ |
|
| 2752 |
|
|
| 2753 |
for (;;) |
for (;;) |
| 2754 |
{ |
{ |
| 2758 |
{ |
{ |
| 2759 |
const uschar *save_end_subject = end_subject; |
const uschar *save_end_subject = end_subject; |
| 2760 |
|
|
| 2761 |
/* Advance to a unique first char if possible. If firstline is TRUE, the |
/* If firstline is TRUE, the start of the match is constrained to the first |
| 2762 |
start of the match is constrained to the first line of a multiline string. |
line of a multiline string. Implement this by temporarily adjusting |
| 2763 |
Implement this by temporarily adjusting end_subject so that we stop |
end_subject so that we stop scanning at a newline. If the match fails at |
| 2764 |
scanning at a newline. If the match fails at the newline, later code breaks |
the newline, later code breaks this loop. */ |
|
this loop. */ |
|
| 2765 |
|
|
| 2766 |
if (firstline) |
if (firstline) |
| 2767 |
{ |
{ |
| 2768 |
const uschar *t = current_subject; |
USPTR t = current_subject; |
| 2769 |
|
#ifdef SUPPORT_UTF8 |
| 2770 |
|
if (utf8) |
| 2771 |
|
{ |
| 2772 |
|
while (t < md->end_subject && !IS_NEWLINE(t)) |
| 2773 |
|
{ |
| 2774 |
|
t++; |
| 2775 |
|
while (t < end_subject && (*t & 0xc0) == 0x80) t++; |
| 2776 |
|
} |
| 2777 |
|
} |
| 2778 |
|
else |
| 2779 |
|
#endif |
| 2780 |
while (t < md->end_subject && !IS_NEWLINE(t)) t++; |
while (t < md->end_subject && !IS_NEWLINE(t)) t++; |
| 2781 |
end_subject = t; |
end_subject = t; |
| 2782 |
} |
} |
| 2783 |
|
|
| 2784 |
if (first_byte >= 0) |
/* There are some optimizations that avoid running the match if a known |
| 2785 |
|
starting point is not found, or if a known later character is not present. |
| 2786 |
|
However, there is an option that disables these, for testing and for |
| 2787 |
|
ensuring that all callouts do actually occur. */ |
| 2788 |
|
|
| 2789 |
|
if ((options & PCRE_NO_START_OPTIMIZE) == 0) |
| 2790 |
{ |
{ |
|
if (first_byte_caseless) |
|
|
while (current_subject < end_subject && |
|
|
lcc[*current_subject] != first_byte) |
|
|
current_subject++; |
|
|
else |
|
|
while (current_subject < end_subject && *current_subject != first_byte) |
|
|
current_subject++; |
|
|
} |
|
| 2791 |
|
|
| 2792 |
/* Or to just after a linebreak for a multiline match if possible */ |
/* Advance to a known first byte. */ |
| 2793 |
|
|
| 2794 |
else if (startline) |
if (first_byte >= 0) |
|
{ |
|
|
if (current_subject > md->start_subject + start_offset) |
|
| 2795 |
{ |
{ |
| 2796 |
while (current_subject <= end_subject && !WAS_NEWLINE(current_subject)) |
if (first_byte_caseless) |
| 2797 |
current_subject++; |
while (current_subject < end_subject && |
| 2798 |
|
lcc[*current_subject] != first_byte) |
| 2799 |
|
current_subject++; |
| 2800 |
|
else |
| 2801 |
|
while (current_subject < end_subject && |
| 2802 |
|
*current_subject != first_byte) |
| 2803 |
|
current_subject++; |
| 2804 |
|
} |
| 2805 |
|
|
| 2806 |
|
/* Or to just after a linebreak for a multiline match if possible */ |
| 2807 |
|
|
| 2808 |
/* If we have just passed a CR and the newline option is ANY or |
else if (startline) |
| 2809 |
ANYCRLF, and we are now at a LF, advance the match position by one more |
{ |
| 2810 |
character. */ |
if (current_subject > md->start_subject + start_offset) |
| 2811 |
|
{ |
| 2812 |
if (current_subject[-1] == '\r' && |
#ifdef SUPPORT_UTF8 |
| 2813 |
(md->nltype == NLTYPE_ANY || md->nltype == NLTYPE_ANYCRLF) && |
if (utf8) |
| 2814 |
current_subject < end_subject && |
{ |
| 2815 |
*current_subject == '\n') |
while (current_subject < end_subject && |
| 2816 |
current_subject++; |
!WAS_NEWLINE(current_subject)) |
| 2817 |
|
{ |
| 2818 |
|
current_subject++; |
| 2819 |
|
while(current_subject < end_subject && |
| 2820 |
|
(*current_subject & 0xc0) == 0x80) |
| 2821 |
|
current_subject++; |
| 2822 |
|
} |
| 2823 |
|
} |
| 2824 |
|
else |
| 2825 |
|
#endif |
| 2826 |
|
while (current_subject < end_subject && !WAS_NEWLINE(current_subject)) |
| 2827 |
|
current_subject++; |
| 2828 |
|
|
| 2829 |
|
/* If we have just passed a CR and the newline option is ANY or |
| 2830 |
|
ANYCRLF, and we are now at a LF, advance the match position by one |
| 2831 |
|
more character. */ |
| 2832 |
|
|
| 2833 |
|
if (current_subject[-1] == CHAR_CR && |
| 2834 |
|
(md->nltype == NLTYPE_ANY || md->nltype == NLTYPE_ANYCRLF) && |
| 2835 |
|
current_subject < end_subject && |
| 2836 |
|
*current_subject == CHAR_NL) |
| 2837 |
|
current_subject++; |
| 2838 |
|
} |
| 2839 |
} |
} |
|
} |
|
| 2840 |
|
|
| 2841 |
/* Or to a non-unique first char after study */ |
/* Or to a non-unique first char after study */ |
| 2842 |
|
|
| 2843 |
else if (start_bits != NULL) |
else if (start_bits != NULL) |
|
{ |
|
|
while (current_subject < end_subject) |
|
| 2844 |
{ |
{ |
| 2845 |
register unsigned int c = *current_subject; |
while (current_subject < end_subject) |
| 2846 |
if ((start_bits[c/8] & (1 << (c&7))) == 0) current_subject++; |
{ |
| 2847 |
else break; |
register unsigned int c = *current_subject; |
| 2848 |
|
if ((start_bits[c/8] & (1 << (c&7))) == 0) current_subject++; |
| 2849 |
|
else break; |
| 2850 |
|
} |
| 2851 |
} |
} |
| 2852 |
} |
} |
| 2853 |
|
|
| 2869 |
showed up when somebody was matching /^C/ on a 32-megabyte string... so we |
showed up when somebody was matching /^C/ on a 32-megabyte string... so we |
| 2870 |
don't do this when the string is sufficiently long. |
don't do this when the string is sufficiently long. |
| 2871 |
|
|
| 2872 |
ALSO: this processing is disabled when partial matching is requested. |
ALSO: this processing is disabled when partial matching is requested, and can |
| 2873 |
*/ |
also be explicitly deactivated. */ |
| 2874 |
|
|
| 2875 |
if (req_byte >= 0 && |
if ((options & PCRE_NO_START_OPTIMIZE) == 0 && |
| 2876 |
|
req_byte >= 0 && |
| 2877 |
end_subject - current_subject < REQ_BYTE_MAX && |
end_subject - current_subject < REQ_BYTE_MAX && |
| 2878 |
(options & PCRE_PARTIAL) == 0) |
(options & PCRE_PARTIAL) == 0) |
| 2879 |
{ |
{ |
| 2945 |
} |
} |
| 2946 |
if (current_subject > end_subject) break; |
if (current_subject > end_subject) break; |
| 2947 |
|
|
| 2948 |
/* If we have just passed a CR and the newline option is CRLF or ANY or |
/* If we have just passed a CR and we are now at a LF, and the pattern does |
| 2949 |
ANYCRLF, and we are now at a LF, advance the match position by one more |
not contain any explicit matches for \r or \n, and the newline option is CRLF |
| 2950 |
character. */ |
or ANY or ANYCRLF, advance the match position by one more character. */ |
| 2951 |
|
|
| 2952 |
if (current_subject[-1] == '\r' && |
if (current_subject[-1] == CHAR_CR && |
| 2953 |
(md->nltype == NLTYPE_ANY || |
current_subject < end_subject && |
| 2954 |
md->nltype == NLTYPE_ANYCRLF || |
*current_subject == CHAR_NL && |
| 2955 |
md->nllen == 2) && |
(re->flags & PCRE_HASCRORLF) == 0 && |
| 2956 |
current_subject < end_subject && |
(md->nltype == NLTYPE_ANY || |
| 2957 |
*current_subject == '\n') |
md->nltype == NLTYPE_ANYCRLF || |
| 2958 |
|
md->nllen == 2)) |
| 2959 |
current_subject++; |
current_subject++; |
| 2960 |
|
|
| 2961 |
} /* "Bumpalong" loop */ |
} /* "Bumpalong" loop */ |