1 files changed, 220 insertions, 0 deletions
diff --git a/tests/json-loader.c b/tests/json-loader.c
new file mode 100644
index 0000000..aad4295
--- /dev/null
+++ b/tests/json-loader.c
@@ -0,0 +1,220 @@
+/*
+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"
+#include <dbus/dbus-gtype-specialized.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 {
+			GValue * subvalue = node2value(first);
+			GType type = dbus_g_type_get_collection("GPtrArray", G_VALUE_TYPE(subvalue));
+			gpointer * wrapper = dbus_g_type_specialized_construct(type);
+
+			g_value_init(value, type);
+			g_value_take_boxed(value, wrapper);
+
+			DBusGTypeSpecializedAppendContext ctx;
+			dbus_g_type_specialized_init_append(value, &ctx);
+
+			dbus_g_type_specialized_collection_append(&ctx, subvalue);
+			int i;
+			for (i = 1; i < json_array_get_length(array); i++) {
+				GValue * subvalue = node2value(node);
+				dbus_g_type_specialized_collection_append(&ctx, subvalue);
+			}
+
+			dbus_g_type_specialized_collection_end_append(&ctx);
+		}
+	}
+
+	if (JSON_NODE_TYPE(node) == JSON_NODE_OBJECT) {
+		JsonObject * obj = json_node_get_object(node);
+
+		GType type = dbus_g_type_get_map("GHashTable", G_TYPE_STRING, G_TYPE_VALUE);
+		GHashTable * hash = (GHashTable *)dbus_g_type_specialized_construct(type);
+
+		g_value_init(value, type);
+		g_value_take_boxed(value, hash);
+
+		DBusGTypeSpecializedAppendContext ctx;
+		dbus_g_type_specialized_init_append(value, &ctx);
+		
+		GList * members = NULL;
+		for (members = json_object_get_members(obj); members != NULL; members = g_list_next(members)) {
+			const gchar * member = members->data;
+
+			JsonNode * lnode = json_object_get_member(obj, member);
+			GValue * value = node2value(lnode);
+
+			if (value != NULL) {
+				GValue name = {0};
+				g_value_init(&name, G_TYPE_STRING);
+				g_value_set_static_string(&name, member);
+
+				dbus_g_type_specialized_map_append(&ctx, &name, value);
+			
+				g_value_unset(&name);
+				g_value_unset(value);
+				g_free(value);
+			}
+		}
+	}
+
+	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;
+}