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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* mate-gsettings.c: helper API for GSettings
*
* Copyright (C) 2013 Stefano Karapetsas
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* Authors:
* Stefano Karapetsas <stefano@karapetsas.com>
*/
#include "mate-gsettings.h"
/**
* mate_gsettings_schema_exists:
* @schema: schema to check.
*
* Check if a given schema is installed in GSettings.
*
* Return value: TRUE if schema exists, FALSE if not.
*
* Since: 1.7.1
*/
gboolean
mate_gsettings_schema_exists (const gchar* schema)
{
const char * const *schemas;
gboolean schema_exists;
gint i;
schemas = g_settings_list_schemas ();
schema_exists = FALSE;
for (i = 0; schemas[i] != NULL; i++) {
if (g_strcmp0 (schemas[i], schema) == 0) {
schema_exists = TRUE;
break;
}
}
return schema_exists;
}
/* (copied from gnome-panel)
* Adapted from is_valid_keyname() in glib (gio/glib-compile-schemas.c)
* Differences:
* - gettext support removed (we don't need translations here)
* - remove support for allow_any_name
*/
gboolean
mate_gsettings_is_valid_keyname (const gchar *key,
GError **error)
{
gint i;
if (key[0] == '\0')
{
g_set_error_literal (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"empty names are not permitted");
return FALSE;
}
if (!g_ascii_islower (key[0]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': names must begin "
"with a lowercase letter", key);
return FALSE;
}
for (i = 1; key[i]; i++)
{
if (key[i] != '-' &&
!g_ascii_islower (key[i]) &&
!g_ascii_isdigit (key[i]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': invalid character '%c'; "
"only lowercase letters, numbers and dash ('-') "
"are permitted.", key, key[i]);
return FALSE;
}
if (key[i] == '-' && key[i + 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': two successive dashes ('--') "
"are not permitted.", key);
return FALSE;
}
}
if (key[i - 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': the last character may not be a "
"dash ('-').", key);
return FALSE;
}
if (i > 32)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': maximum length is 32", key);
return FALSE;
}
return TRUE;
}
gboolean
mate_gsettings_append_strv (GSettings *settings,
const gchar *key,
const gchar *value)
{
gchar **old;
gchar **new;
gint size;
gboolean retval;
old = g_settings_get_strv (settings, key);
for (size = 0; old[size] != NULL; size++);
size += 1; /* appended value */
size += 1; /* NULL */
new = g_realloc_n (old, size, sizeof (gchar *));
new[size - 2] = g_strdup (value);
new[size - 1] = NULL;
retval = g_settings_set_strv (settings, key,
(const gchar **) new);
g_strfreev (new);
return retval;
}
gboolean
mate_gsettings_remove_all_from_strv (GSettings *settings,
const gchar *key,
const gchar *value)
{
GArray *array;
gchar **old;
gint i;
gboolean retval;
old = g_settings_get_strv (settings, key);
array = g_array_new (TRUE, TRUE, sizeof (gchar *));
for (i = 0; old[i] != NULL; i++) {
if (g_strcmp0 (old[i], value) != 0)
array = g_array_append_val (array, old[i]);
}
retval = g_settings_set_strv (settings, key,
(const gchar **) array->data);
g_strfreev (old);
g_array_free (array, TRUE);
return retval;
}
GSList*
mate_gsettings_strv_to_gslist (const gchar *const *array)
{
GSList *list = NULL;
gint i;
if (array != NULL) {
for (i = 0; array[i]; i++) {
list = g_slist_append (list, g_strdup (array[i]));
}
}
return list;
}
|
