/**
* json_node_copy:
* @node: a #JsonNode
*
* Copies @node. If the node contains complex data types then the reference
* count of the objects is increased.
*
* Return value: (transfer full): the copied #JsonNode
*/
JsonNode *
json_node_copy (JsonNode *node)
{
JsonNode *copy;
g_return_val_if_fail (node != NULL, NULL);
copy = g_slice_new0 (JsonNode);
copy->type = node->type;
switch (copy->type)
{
case JSON_NODE_OBJECT:
copy->data.object = json_node_dup_object (node);
break;
case JSON_NODE_ARRAY:
copy->data.array = json_node_dup_array (node);
break;
case JSON_NODE_VALUE:
if (node->data.value)
copy->data.value = json_value_ref (node->data.value);
break;
case JSON_NODE_NULL:
break;
default:
g_assert_not_reached ();
}
return copy;
}
/**
* json_node_copy:
* @node: a #JsonNode
*
* Copies @node. If the node contains complex data types, their reference
* counts are increased, regardless of whether the node is mutable or
* immutable.
*
* The copy will be immutable if, and only if, @node is immutable. However,
* there should be no need to copy an immutable node.
*
* Return value: (transfer full): the copied #JsonNode
*/
JsonNode *
json_node_copy (JsonNode *node)
{
JsonNode *copy;
g_return_val_if_fail (JSON_NODE_IS_VALID (node), NULL);
copy = json_node_alloc ();
copy->type = node->type;
copy->immutable = node->immutable;
if (node->immutable)
g_debug ("Copying immutable JsonNode %p", node);
switch (copy->type)
{
case JSON_NODE_OBJECT:
copy->data.object = json_node_dup_object (node);
break;
case JSON_NODE_ARRAY:
copy->data.array = json_node_dup_array (node);
break;
case JSON_NODE_VALUE:
if (node->data.value)
copy->data.value = json_value_ref (node->data.value);
break;
case JSON_NODE_NULL:
break;
default:
g_assert_not_reached ();
}
return copy;
}
/* Params utils */
static gboolean
melo_jsonrpc_add_node (JsonNode *node, JsonObject *schema,
JsonObject *obj, JsonArray *array)
{
GType vtype = G_TYPE_INVALID;
const gchar *s_name;
const gchar *s_type;
JsonNodeType type;
/* Get name and type from schema */
s_name = json_object_get_string_member (schema, "name");
s_type = json_object_get_string_member (schema, "type");
if (!s_name || !s_type)
return FALSE;
/* Get type */
type = json_node_get_node_type (node);
if (type == JSON_NODE_VALUE)
vtype = json_node_get_value_type (node);
/* Check type:
* We check only first letter of the type string.
*/
switch (s_type[0]) {
case 'b':
/* Boolean: check type */
if (vtype != G_TYPE_BOOLEAN)
return FALSE;
/* Add to object / array */
if (obj || array) {
gboolean v;
v = json_node_get_boolean (node);
if (obj)
json_object_set_boolean_member (obj, s_name, v);
else
json_array_add_boolean_element (array, v);
break;
}
break;
case 'i':
/* Integer: check type */
if (vtype != G_TYPE_INT64)
return FALSE;
/* Add to object / array */
if (obj || array) {
gint64 v;
v = json_node_get_int (node);
if (obj)
json_object_set_int_member (obj, s_name, v);
else
json_array_add_int_element (array, v);
}
break;
case 'd':
/* Double: check type */
if (vtype != G_TYPE_DOUBLE)
return FALSE;
/* Add to object / array */
if (obj || array) {
gdouble v;
v = json_node_get_double (node);
if (obj)
json_object_set_double_member (obj, s_name, v);
else
json_array_add_double_element (array, v);
}
break;
case 's':
/* String: check type */
if (vtype != G_TYPE_STRING)
return FALSE;
/* Add to object / array */
if (obj || array) {
const gchar *v;
v = json_node_get_string (node);
if (obj)
json_object_set_string_member (obj, s_name, v);
else
json_array_add_string_element (array, v);
}
break;
case 'o':
/* Object: check type */
if (type != JSON_NODE_OBJECT)
return FALSE;
/* Add to object / array */
if (obj || array) {
JsonObject *v;
v = json_node_dup_object (node);
if (obj)
json_object_set_object_member (obj, s_name, v);
else
json_array_add_object_element (array, v);
}
break;
case 'a':
/* Array: check type */
if (type != JSON_NODE_ARRAY)
return FALSE;
/* Add to object / array */
if (obj || array) {
JsonArray *v;
v = json_node_dup_array (node);
if (obj)
json_object_set_array_member (obj, s_name, v);
else
json_array_add_array_element (array, v);
}
break;
default:
return FALSE;
}
return TRUE;
}
/**
* melo_jsonrpc_register_methods:
* @group: prefix of the method
* @methods: an array of #MeloJSONRPCMethod
* @count: the number of methods in @methods
*
* Register multiple JSON-RPC method named with the same prefix @group. All
* final methods will be as "@group.NAME".
*
* Returns: 0 if all methods have been registered or the number of methods which
* has not been registered.
*/
guint
melo_jsonrpc_register_methods (const gchar *group, MeloJSONRPCMethod *methods,
guint count)
{
JsonParser *parser;
JsonObject *result;
JsonArray *params;
JsonNode *node;
guint errors = 0, i;
gboolean ret;
/* Create a parser */
parser = json_parser_new ();
/* Register all methods */
for (i = 0; i < count; i++) {
/* Generate params schema */
if (json_parser_load_from_data (parser, methods[i].params, -1, NULL)) {
/* Convert string to node */
node = json_parser_get_root (parser);
/* Node params type must be an array */
if (json_node_get_node_type (node) != JSON_NODE_ARRAY)
continue;
/* Get array */
params = json_node_dup_array (node);
} else
params = NULL;
/* Generate result schema */
if (json_parser_load_from_data (parser, methods[i].result, -1, NULL)) {
/* Convert string to node */
node = json_parser_get_root (parser);
/* Node result type must be an object */
if (json_node_get_node_type (node) != JSON_NODE_OBJECT)
continue;
/* Get array */
result = json_node_dup_object (node);
} else
result = NULL;
/* Register method */
ret = melo_jsonrpc_register_method (group, methods[i].method, params,
result, methods[i].callback,
methods[i].user_data);
/* Failed to register method */
if (!ret) {
if (params)
json_array_unref (params);
if (result)
json_object_unref (result);
errors++;
}
}
/* Release parser */
g_object_unref (parser);
return errors;
}
