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
|
/*
* dLeyna
*
* Copyright (C) 2012-2017 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
* Mark Ryan <mark.d.ryan@intel.com>
*
*/
#include <string.h>
#include "props.h"
#include "sort.h"
gchar *dls_sort_translate_sort_string(GHashTable *filter_map,
const gchar *sort_string)
{
GRegex *reg;
gchar *retval = NULL;
GMatchInfo *match_info = NULL;
gchar *prop = NULL;
gchar *op = NULL;
dls_prop_map_t *prop_map;
GString *str;
if (!g_regex_match_simple(
"^((\\+|\\-)([^,\\+\\-]+))?(,(\\+|\\-)([^,\\+\\-]+))*$",
sort_string, 0, 0))
goto no_free;
reg = g_regex_new("(\\+|\\-)(\\w+)", 0, 0, NULL);
str = g_string_new("");
g_regex_match(reg, sort_string, 0, &match_info);
while (g_match_info_matches(match_info)) {
op = g_match_info_fetch(match_info, 1);
if (!op)
goto on_error;
prop = g_match_info_fetch(match_info, 2);
if (!prop)
goto on_error;
prop_map = g_hash_table_lookup(filter_map, prop);
if (!prop_map)
goto on_error;
if (!prop_map->searchable)
goto on_error;
g_string_append_printf(str, "%s%s,", op,
prop_map->upnp_prop_name);
g_free(prop);
g_free(op);
prop = NULL;
op = NULL;
g_match_info_next(match_info, NULL);
}
if (str->len > 0)
str = g_string_truncate(str, str->len - 1);
retval = g_string_free(str, FALSE);
str = NULL;
on_error:
g_free(prop);
g_free(op);
if (match_info)
g_match_info_free(match_info);
if (str)
g_string_free(str, TRUE);
g_regex_unref(reg);
no_free:
return retval;
}
|
