/**
* json_gvariant_serialize:
* @variant: A #GVariant to convert
*
* Converts @variant to a JSON tree.
*
* Return value: (transfer full): A #JsonNode representing the root of the
* JSON data structure obtained from @variant
*
* Since: 0.14
*/
JsonNode *
json_gvariant_serialize (GVariant *variant)
{
JsonNode *json_node = NULL;
GVariantClass class;
g_return_val_if_fail (variant != NULL, NULL);
class = g_variant_classify (variant);
if (! g_variant_is_container (variant))
{
json_node = json_node_new (JSON_NODE_VALUE);
switch (class)
{
case G_VARIANT_CLASS_BOOLEAN:
json_node_set_boolean (json_node, g_variant_get_boolean (variant));
break;
case G_VARIANT_CLASS_BYTE:
json_node_set_int (json_node, g_variant_get_byte (variant));
break;
case G_VARIANT_CLASS_INT16:
json_node_set_int (json_node, g_variant_get_int16 (variant));
break;
case G_VARIANT_CLASS_UINT16:
json_node_set_int (json_node, g_variant_get_uint16 (variant));
break;
case G_VARIANT_CLASS_INT32:
json_node_set_int (json_node, g_variant_get_int32 (variant));
break;
case G_VARIANT_CLASS_UINT32:
json_node_set_int (json_node, g_variant_get_uint32 (variant));
break;
case G_VARIANT_CLASS_INT64:
json_node_set_int (json_node, g_variant_get_int64 (variant));
break;
case G_VARIANT_CLASS_UINT64:
json_node_set_int (json_node, g_variant_get_uint64 (variant));
break;
case G_VARIANT_CLASS_HANDLE:
json_node_set_int (json_node, g_variant_get_handle (variant));
break;
case G_VARIANT_CLASS_DOUBLE:
json_node_set_double (json_node, g_variant_get_double (variant));
break;
case G_VARIANT_CLASS_STRING:
case G_VARIANT_CLASS_OBJECT_PATH:
case G_VARIANT_CLASS_SIGNATURE:
json_node_set_string (json_node, g_variant_get_string (variant, NULL));
break;
default:
break;
}
}
void
trg_prefs_set_bool(TrgPrefs * p, const gchar * key, gboolean value,
int flags)
{
JsonNode *node = trg_prefs_get_value(p, key, JSON_NODE_VALUE,
flags | TRG_PREFS_NEWNODE);
json_node_set_boolean(node, value);
trg_prefs_changed_emit_signal(p, key);
}
/**
* json_node_init_boolean:
* @node: the #JsonNode to initialize
* @value: a boolean value
*
* Initializes @node to %JSON_NODE_VALUE and sets @value into it.
*
* If the node has already been initialized once, it will be reset to
* the given type, and any data contained will be cleared.
*
* Return value: (transfer none): the initialized #JsonNode
*
* Since: 0.16
*/
JsonNode *
json_node_init_boolean (JsonNode *node,
gboolean value)
{
g_return_val_if_fail (node != NULL, NULL);
json_node_init (node, JSON_NODE_VALUE);
json_node_set_boolean (node, value);
return node;
}
/**
* json_array_add_boolean_element:
* @array: a #JsonArray
* @value: a boolean value
*
* Conveniently adds a boolean @value into @array
*
* See also: json_array_add_element(), json_node_set_boolean()
*
* Since: 0.8
*/
void
json_array_add_boolean_element (JsonArray *array,
gboolean value)
{
JsonNode *node;
g_return_if_fail (array != NULL);
node = json_node_new (JSON_NODE_VALUE);
json_node_set_boolean (node, value);
g_ptr_array_add (array->elements, node);
}
/**
* json_object_set_boolean_member:
* @object: a #JsonObject
* @member_name: the name of the member
* @value: the value of the member
*
* Convenience function for setting a boolean @value of
* @member_name inside @object.
*
* See also: json_object_set_member()
*
* Since: 0.8
*/
void
json_object_set_boolean_member (JsonObject *object,
const gchar *member_name,
gboolean value)
{
JsonNode *node;
g_return_if_fail (object != NULL);
g_return_if_fail (member_name != NULL);
node = json_node_new (JSON_NODE_VALUE);
json_node_set_boolean (node, value);
object_set_member_internal (object, member_name, node);
}
void Settings::setBool(const char* path, gboolean value){
JsonNode* node = getNode(path);
json_node_set_boolean(node, value);
json_node_free(node);
}
static void
js_value (JSContextRef ctx, JSValueRef value, JsonNode ** v)
{
switch (JSValueGetType (ctx, value))
{
case kJSTypeUndefined:
case kJSTypeNull:
*v = json_node_new (JSON_NODE_NULL);
break;
case kJSTypeBoolean:
*v = json_node_new (JSON_NODE_VALUE);
json_node_set_boolean (*v,
JSValueToBoolean (ctx,
value) ==
true ? TRUE : FALSE);
break;
case kJSTypeNumber:
*v = json_node_new (JSON_NODE_VALUE);
json_node_set_double (*v,
(gdouble) JSValueToNumber (ctx, value, NULL));
break;
case kJSTypeString:
{
JSStringRef string;
gchar *str;
string = JSValueToStringCopy (ctx, value, NULL);
str = js_string (string);
JSStringRelease (string);
*v = json_node_new (JSON_NODE_VALUE);
json_node_set_string (*v, str);
g_free (str);
break;
}
case kJSTypeObject:
{
*v = json_node_new (JSON_NODE_OBJECT);
JsonObject *o = json_object_new ();
js_obj (ctx, JSValueToObject (ctx, value, NULL), o);
json_node_take_object (*v, o);
break;
}
}
/* FIXME: array?!? integer?!?
-> probably arrays are considered instances of Array() Javascript object ?!
see http://developer.apple.com/library/mac/#documentation/Carbon/Reference/WebKit_JavaScriptCore_Ref/JSValueRef_h/index.html%23//apple_ref/c/func/JSValueGetType */
debug_print_json_node ( "js_value(): ", *v );
}
static guint
json_parse_statement (JsonParser *parser,
JsonScanner *scanner)
{
JsonParserPrivate *priv = parser->priv;
guint token;
token = json_scanner_peek_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_CURLY:
return json_parse_object (parser, scanner, &priv->root);
case G_TOKEN_LEFT_BRACE:
return json_parse_array (parser, scanner, &priv->root);
/* some web APIs are not only passing the data structures: they are
* also passing an assigment, which makes parsing horribly complicated
* only because web developers are lazy, and writing "var foo = " is
* evidently too much to request from them.
*/
case JSON_TOKEN_VAR:
{
guint next_token;
gchar *name;
/* swallow the 'var' token... */
token = json_scanner_get_next_token (scanner);
/* ... swallow the variable name... */
next_token = json_scanner_get_next_token (scanner);
if (next_token != G_TOKEN_IDENTIFIER)
return G_TOKEN_IDENTIFIER;
name = g_strdup (scanner->value.v_identifier);
/* ... and finally swallow the '=' */
next_token = json_scanner_get_next_token (scanner);
if (next_token != '=')
return '=';
priv->has_assignment = TRUE;
priv->variable_name = name;
token = json_parse_statement (parser, scanner);
/* remove the trailing semi-colon */
next_token = json_scanner_peek_next_token (scanner);
if (next_token == ';')
{
token = json_scanner_get_next_token (scanner);
return G_TOKEN_NONE;
}
return token;
}
break;
case JSON_TOKEN_NULL:
priv->root = priv->current_node = json_node_new (JSON_NODE_NULL);
json_scanner_get_next_token (scanner);
return G_TOKEN_NONE;
case JSON_TOKEN_TRUE:
case JSON_TOKEN_FALSE:
priv->root = priv->current_node = json_node_new (JSON_NODE_VALUE);
json_node_set_boolean (priv->current_node,
token == JSON_TOKEN_TRUE ? TRUE : FALSE);
json_scanner_get_next_token (scanner);
return G_TOKEN_NONE;
case '-':
{
guint next_token;
token = json_scanner_get_next_token (scanner);
next_token = json_scanner_peek_next_token (scanner);
if (next_token == G_TOKEN_INT || next_token == G_TOKEN_FLOAT)
{
priv->root = priv->current_node = json_node_new (JSON_NODE_VALUE);
token = json_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_INT:
json_node_set_int (priv->current_node,
scanner->value.v_int64 * -1);
break;
case G_TOKEN_FLOAT:
json_node_set_double (priv->current_node,
scanner->value.v_float * -1.0);
break;
default:
return G_TOKEN_INT;
}
json_scanner_get_next_token (scanner);
return G_TOKEN_NONE;
}
else
return G_TOKEN_INT;
}
break;
case G_TOKEN_INT:
case G_TOKEN_FLOAT:
case G_TOKEN_STRING:
token = json_scanner_get_next_token (scanner);
return json_parse_value (parser, scanner, token, &priv->root);
default:
json_scanner_get_next_token (scanner);
return G_TOKEN_SYMBOL;
}
}
static guint
json_parse_value (JsonParser *parser,
JsonScanner *scanner,
guint token,
JsonNode **node)
{
JsonNode *current_node = parser->priv->current_node;
gboolean is_negative = FALSE;
if (token == '-')
{
guint next_token = json_scanner_peek_next_token (scanner);
if (next_token == G_TOKEN_INT ||
next_token == G_TOKEN_FLOAT)
{
is_negative = TRUE;
token = json_scanner_get_next_token (scanner);
}
else
return G_TOKEN_INT;
}
switch (token)
{
case G_TOKEN_INT:
*node = json_node_new (JSON_NODE_VALUE);
json_node_set_int (*node, is_negative ? scanner->value.v_int64 * -1
: scanner->value.v_int64);
break;
case G_TOKEN_FLOAT:
*node = json_node_new (JSON_NODE_VALUE);
json_node_set_double (*node, is_negative ? scanner->value.v_float * -1.0
: scanner->value.v_float);
break;
case G_TOKEN_STRING:
*node = json_node_new (JSON_NODE_VALUE);
json_node_set_string (*node, scanner->value.v_string);
break;
case JSON_TOKEN_TRUE:
case JSON_TOKEN_FALSE:
*node = json_node_new (JSON_NODE_VALUE);
json_node_set_boolean (*node, token == JSON_TOKEN_TRUE ? TRUE : FALSE);
break;
case JSON_TOKEN_NULL:
*node = json_node_new (JSON_NODE_NULL);
break;
default:
{
JsonNodeType cur_type;
*node = NULL;
cur_type = json_node_get_node_type (current_node);
if (cur_type == JSON_NODE_ARRAY)
return G_TOKEN_RIGHT_BRACE;
else if (cur_type == JSON_NODE_OBJECT)
return G_TOKEN_RIGHT_CURLY;
else
return G_TOKEN_SYMBOL;
}
}
return G_TOKEN_NONE;
}
