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
|
/*
A loader to turn JSON into dbusmenu menuitems
Copyright 2010 Canonical Ltd.
Authors:
Ted Gould <ted@canonical.com>
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
*/
#include "json-loader.h"
static GValue *
node2value (JsonNode * node)
{
if (node == NULL) {
return NULL;
}
GValue * value = g_new0(GValue, 1);
if (JSON_NODE_TYPE(node) == JSON_NODE_VALUE) {
json_node_get_value(node, value);
return value;
}
if (JSON_NODE_TYPE(node) == JSON_NODE_ARRAY) {
JsonArray * array = json_node_get_array(node);
JsonNode * first = json_array_get_element(array, 0);
if (JSON_NODE_TYPE(first) == JSON_NODE_VALUE) {
GValue subvalue = {0};
json_node_get_value(first, &subvalue);
if (G_VALUE_TYPE(&subvalue) == G_TYPE_STRING) {
GArray * garray = g_array_sized_new(TRUE, TRUE, sizeof(gchar *), json_array_get_length(array));
g_value_init(value, G_TYPE_STRV);
g_value_take_boxed(value, garray->data);
int i;
for (i = 0; i < json_array_get_length(array); i++) {
const gchar * str = json_node_get_string(json_array_get_element(array, i));
gchar * dupstr = g_strdup(str);
g_array_append_val(garray, dupstr);
}
g_array_free(garray, FALSE);
} else {
GValueArray * varray = g_value_array_new(json_array_get_length(array));
g_value_init(value, G_TYPE_VALUE_ARRAY);
g_value_take_boxed(value, varray);
g_value_array_append(varray, &subvalue);
g_value_unset(&subvalue);
int i;
for (i = 1; i < json_array_get_length(array); i++) {
json_node_get_value(first, &subvalue);
g_value_array_append(varray, &subvalue);
g_value_unset(&subvalue);
}
}
} else {
g_warning("Complex array not supported");
}
}
if (JSON_NODE_TYPE(node) == JSON_NODE_OBJECT) {
g_warning("Object nodes are a problem");
}
return value;
}
static void
set_props (DbusmenuMenuitem * mi, JsonObject * node)
{
if (node == NULL) return;
GList * members = NULL;
for (members = json_object_get_members(node); members != NULL; members = g_list_next(members)) {
const gchar * member = members->data;
if (!g_strcmp0(member, "id")) { continue; }
if (!g_strcmp0(member, "submenu")) { continue; }
JsonNode * lnode = json_object_get_member(node, member);
GValue * value = node2value(lnode);
if (value != NULL) {
dbusmenu_menuitem_property_set_value(mi, member, value);
g_value_unset(value);
g_free(value);
}
}
return;
}
DbusmenuMenuitem *
dbusmenu_json_build_from_node (const JsonNode * cnode)
{
JsonNode * node = (JsonNode *)cnode; /* To match the jsonglib API :( */
if (node == NULL) return NULL;
if (JSON_NODE_TYPE(node) != JSON_NODE_OBJECT) return NULL;
JsonObject * layout = json_node_get_object(node);
DbusmenuMenuitem * local = NULL;
if (json_object_has_member(layout, "id")) {
JsonNode * node = json_object_get_member(layout, "id");
g_return_val_if_fail(JSON_NODE_TYPE(node) == JSON_NODE_VALUE, NULL);
local = dbusmenu_menuitem_new_with_id(json_node_get_int(node));
} else {
local = dbusmenu_menuitem_new();
}
set_props(local, layout);
if (json_object_has_member(layout, "submenu")) {
JsonNode * node = json_object_get_member(layout, "submenu");
g_return_val_if_fail(JSON_NODE_TYPE(node) == JSON_NODE_ARRAY, local);
JsonArray * array = json_node_get_array(node);
guint count;
for (count = 0; count < json_array_get_length(array); count++) {
DbusmenuMenuitem * child = dbusmenu_json_build_from_node(json_array_get_element(array, count));
if (child != NULL) {
dbusmenu_menuitem_child_append(local, child);
}
}
}
/* g_debug("Layout to menu return: 0x%X", (unsigned int)local); */
return local;
}
DbusmenuMenuitem *
dbusmenu_json_build_from_file (const gchar * filename)
{
JsonParser * parser = json_parser_new();
GError * error = NULL;
if (!json_parser_load_from_file(parser, filename, &error)) {
g_warning("Failed parsing file %s because: %s", filename, error->message);
g_error_free(error);
return NULL;
}
JsonNode * root_node = json_parser_get_root(parser);
if (JSON_NODE_TYPE(root_node) != JSON_NODE_OBJECT) {
g_warning("Root node is not an object, fail. It's an: %s", json_node_type_name(root_node));
return NULL;
}
DbusmenuMenuitem * mi = dbusmenu_json_build_from_node(root_node);
g_object_unref(parser);
return mi;
}
|
