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
|
/*
* Copyright (c) 2017 Balabit
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "varbindlist-scanner.h"
#include "str-utils.h"
static inline gboolean
_is_valid_key_character(gchar c)
{
return (c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
(c == '_') ||
(c == '.') ||
(c == '-') ||
(c == ':');
}
static inline void
_skip_whitespaces(const gchar **input)
{
const gchar *current_char = *input;
while (*current_char == ' ' || *current_char == '\t')
++current_char;
*input = current_char;
}
static void
_extract_type(KVScanner *scanner)
{
VarBindListScanner *self = (VarBindListScanner *) scanner;
const gchar *type_start = &scanner->input[scanner->input_pos];
_skip_whitespaces(&type_start);
const gchar *type_end = strpbrk(type_start, ": \t");
gboolean type_exists = type_end && *type_end == ':';
if (!type_exists)
{
g_string_truncate(self->varbind_type, 0);
return;
}
gsize type_len = type_end - type_start;
g_string_assign_len(self->varbind_type, type_start, type_len);
scanner->input_pos = type_end - scanner->input + 1;
}
void
varbindlist_scanner_init(VarBindListScanner *self)
{
memset(self, 0, sizeof(VarBindListScanner));
kv_scanner_init(&self->super, '=', "\t", FALSE);
kv_scanner_set_extract_annotation_func(&self->super, _extract_type);
kv_scanner_set_valid_key_character_func(&self->super, _is_valid_key_character);
kv_scanner_set_stop_character(&self->super, '\n');
self->varbind_type = g_string_sized_new(16);
}
void
varbindlist_scanner_deinit(VarBindListScanner *self)
{
g_string_free(self->varbind_type, TRUE);
kv_scanner_deinit(&self->super);
}
gboolean
varbindlist_scanner_scan_next(VarBindListScanner *self)
{
return kv_scanner_scan_next(&self->super);
}
VarBindListScanner *
varbindlist_scanner_new(void)
{
VarBindListScanner *self = g_new(VarBindListScanner, 1);
varbindlist_scanner_init(self);
return self;
}
|
