1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
Pcre.cpp
Copyright (c) 2007-2008 Chervov Dmitry
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "stdafx.h"
typedef struct
{
pcre16 *pPcre;
pcre16_extra *pExtra;
TCString Pattern; // used when it's not a valid regexp
int ID; // user-defined ID of the pattern; returned by PcreCheck on a match
} sPcreCompileData;
TMyArray<sPcreCompileData> PcreCompileData;
void FreePcreCompileData()
{
int I;
for (I = 0; I < PcreCompileData.GetSize(); I++) {
if (PcreCompileData[I].pPcre) {
pcre16_free(PcreCompileData[I].pPcre);
if (PcreCompileData[I].pExtra) {
pcre16_free(PcreCompileData[I].pExtra);
}
}
}
PcreCompileData.RemoveAll();
}
TCString CompileRegexp(TCString Regexp, int bAddAsUsualSubstring, int ID)
{
TCString Result(L"");
sPcreCompileData s = {};
int NewID = PcreCompileData.AddElem(s);
PcreCompileData[NewID].ID = ID;
if (!bAddAsUsualSubstring) {
const char *Err;
int ErrOffs;
int Flags = PCRE_CASELESS;
if (Regexp[0] == '/') {
TCString OrigRegexp = Regexp;
Regexp = Regexp.Right(Regexp.GetLen() - 1);
wchar_t *pRegexpEnd = (wchar_t*)Regexp + Regexp.GetLen();
wchar_t *p = wcsrchr(Regexp.GetBuffer(), '/');
if (!p) {
Regexp = OrigRegexp;
}
else {
*p = 0;
Flags = 0;
while (++p < pRegexpEnd) {
switch (*p) {
case 'i':
Flags |= PCRE_CASELESS;
break;
case 'm':
Flags |= PCRE_MULTILINE;
break;
case 's':
Flags |= PCRE_DOTALL;
break;
case 'x':
Flags |= PCRE_EXTENDED;
break;
case 'A':
Flags |= PCRE_ANCHORED;
break;
case 'f':
Flags |= PCRE_FIRSTLINE;
break;
case 'D':
Flags |= PCRE_DOLLAR_ENDONLY;
break;
case 'U':
Flags |= PCRE_UNGREEDY;
break;
case 'X':
Flags |= PCRE_EXTRA;
break;
default:
// Result += LogMessage(Translate("Warning, unknown pattern modifier '%c':\n"), *p );
break;
}
}
}
Regexp.ReleaseBuffer();
}
PcreCompileData[NewID].pPcre = pcre16_compile(Regexp, PCRE_UTF8 | PCRE_NO_UTF8_CHECK | Flags, &Err, &ErrOffs, nullptr);
if (PcreCompileData[NewID].pPcre) {
PcreCompileData[NewID].pExtra = nullptr;
PcreCompileData[NewID].pExtra = pcre16_study(PcreCompileData[NewID].pPcre, 0, &Err);
}
else {
// Result += LogMessage(TranslateT("Syntax error in regexp\n%s\nat offset %d: %s."), (wchar_t*)Regexp, ErrOffs, (wchar_t*)ANSI2TCHAR(Err)) + L"\n\n";
PcreCompileData[NewID].Pattern = Regexp;
}
}
else PcreCompileData[NewID].Pattern = Regexp;
return Result;
}
int PcreCheck(TCString Str, int StartingID)
{ // StartingID specifies the pattern from which to start checking, i.e. the check starts from the next pattern after the one that has ID == StartingID
int I;
if (StartingID == -1) {
I = 0;
}
else {
for (I = 0; I < PcreCompileData.GetSize(); I++) {
if (PcreCompileData[I].ID == StartingID) {
I++;
break;
}
}
}
for (; I < PcreCompileData.GetSize(); I++) {
if (PcreCompileData[I].pPcre) {
int Res = pcre16_exec(PcreCompileData[I].pPcre, PcreCompileData[I].pExtra, Str, Str.GetLen() - 1, 0, PCRE_NOTEMPTY | PCRE_NO_UTF8_CHECK, nullptr, 0);
if (Res >= 0) {
return PcreCompileData[I].ID;
}
}
else {
if (wcsstr(Str.ToLower(), PcreCompileData[I].Pattern.ToLower())) {
return PcreCompileData[I].ID;
}
}
}
return -1;
}
|
