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
|
%%{
machine newlines_strip;
action Double_CRLF {
if (!crlf_added && p > c) {
(*newlines_count)++;
g_byte_array_append (data, (const guint8 *)" ", 1);
c = p;
}
crlf_added = TRUE;
c = p;
}
action WSP {
g_byte_array_append (data, (const guint8 *)" ", 1);
c = p;
}
action Text_Start {
crlf_added = FALSE;
c = p;
}
action Text_End {
if (p > c) {
g_byte_array_append (data, (const guint8 *)c, p - c);
last_c = *(p - 1);
}
c = p;
}
action Line_CRLF {
if (!crlf_added) {
if (is_html || g_ascii_ispunct (last_c)) {
g_byte_array_append (data, (const guint8 *)" ", 1);
crlf_added = TRUE;
}
}
(*newlines_count)++;
g_ptr_array_add (newlines, (((gpointer) (goffset) (data->len))));
c = p;
}
WSP = " " | "\t" | "\v";
CRLF = ("\r" . "\n") | ( "\r" ) | ("\n");
DOUBLE_CRLF = (CRLF <: (WSP* CRLF)+) %Double_CRLF;
ANY_CRLF = CRLF | DOUBLE_CRLF;
LINE = (([^\r\n]+) >Text_Start %Text_End);
TEXT = ANY_CRLF* . (LINE <: ANY_CRLF %Line_CRLF)+ | LINE | ANY_CRLF %Line_CRLF;
main := TEXT;
}%%
#include <glib.h>
%% write data;
void
rspamd_strip_newlines_parse (const gchar *begin, const gchar *pe,
GByteArray *data, gboolean is_html, guint *newlines_count,
GPtrArray *newlines)
{
const gchar *c, *p, *eof;
gint last_c = -1;
gint cs = 0;
gboolean crlf_added = FALSE;
c = begin;
p = begin;
eof = pe;
%% write init;
%% write exec;
if (p > c) {
g_byte_array_append (data, (const guint8 *)c, p - c);
}
}
|
