/* text is not nul-terminated */
static void
text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
ParserData *data = (ParserData*)user_data;
CommonInfo *info;
if (data->subparser && data->subparser->start)
{
GError *tmp_error = NULL;
if (data->subparser->parser->text)
data->subparser->parser->text (context, text, text_len,
data->subparser->data, &tmp_error);
if (tmp_error)
g_propagate_error (error, tmp_error);
return;
}
if (!data->stack)
return;
info = state_peek_info (data, CommonInfo);
g_assert (info != NULL);
if (strcmp (g_markup_parse_context_get_element (context), "property") == 0)
{
PropertyInfo *prop_info = (PropertyInfo*)info;
g_string_append_len (prop_info->text, text, text_len);
}
}
static void
parse_child (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo* object_info;
ChildInfo *child_info;
const gchar *type = NULL;
const gchar *internal_child = NULL;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info ||
!(strcmp (object_info->tag.name, "object") == 0 ||
strcmp (object_info->tag.name, "template") == 0))
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "type", &type,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "internal-child", &internal_child,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
child_info = g_slice_new0 (ChildInfo);
child_info->tag.name = element_name;
child_info->type = g_strdup (type);
child_info->internal_child = g_strdup (internal_child);
child_info->parent = (CommonInfo*)object_info;
state_push (data, child_info);
object_info->object = builder_construct (data, object_info, error);
}
static void
parse_child (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo* object_info;
ChildInfo *child_info;
guint i;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info ||
!(strcmp (object_info->tag.name, "object") == 0 ||
strcmp (object_info->tag.name, "template") == 0))
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
child_info = g_slice_new0 (ChildInfo);
state_push (data, child_info);
child_info->tag.name = element_name;
for (i = 0; names[i]; i++)
{
if (strcmp (names[i], "type") == 0)
child_info->type = g_strdup (values[i]);
else if (strcmp (names[i], "internal-child") == 0)
child_info->internal_child = g_strdup (values[i]);
else
error_invalid_attribute (data, element_name, names[i], error);
}
child_info->parent = (CommonInfo*)object_info;
object_info->object = builder_construct (data, object_info, error);
}
static gboolean
parse_custom (GMarkupParseContext *context,
const gchar *element_name,
const gchar **names,
const gchar **values,
ParserData *data,
GError **error)
{
CommonInfo* parent_info;
GMarkupParser parser;
gpointer subparser_data;
GObject *object;
GObject *child;
parent_info = state_peek_info (data, CommonInfo);
if (!parent_info)
return FALSE;
if (strcmp (parent_info->tag.name, "object") == 0 ||
strcmp (parent_info->tag.name, "template") == 0)
{
ObjectInfo* object_info = (ObjectInfo*)parent_info;
if (!object_info->object)
{
object_info->properties = g_slist_reverse (object_info->properties);
object_info->object = _gtk_builder_construct (data->builder,
object_info,
error);
if (!object_info->object)
return TRUE; /* A GError is already set */
}
g_assert (object_info->object);
object = object_info->object;
child = NULL;
}
else if (strcmp (parent_info->tag.name, "child") == 0)
{
ChildInfo* child_info = (ChildInfo*)parent_info;
_gtk_builder_add (data->builder, child_info);
object = ((ObjectInfo*)child_info->parent)->object;
child = child_info->object;
}
else
return FALSE;
if (!gtk_buildable_custom_tag_start (GTK_BUILDABLE (object),
data->builder,
child,
element_name,
&parser,
&subparser_data))
return FALSE;
data->subparser = create_subparser (object, child, element_name,
&parser, subparser_data);
if (parser.start_element)
parser.start_element (context,
element_name, names, values,
subparser_data, error);
return TRUE;
}
static void
parse_signal (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
SignalInfo *info;
const gchar *name;
const gchar *handler = NULL;
const gchar *object = NULL;
gboolean after = FALSE;
gboolean swapped = -1;
ObjectInfo *object_info;
guint id = 0;
GQuark detail = 0;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info ||
!(strcmp (object_info->tag.name, "object") == 0 ||
strcmp (object_info->tag.name, "template") == 0))
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING, "name", &name,
G_MARKUP_COLLECT_STRING, "handler", &handler,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "object", &object,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "last_modification_time", NULL,
G_MARKUP_COLLECT_BOOLEAN|G_MARKUP_COLLECT_OPTIONAL, "after", &after,
G_MARKUP_COLLECT_TRISTATE|G_MARKUP_COLLECT_OPTIONAL, "swapped", &swapped,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
if (!g_signal_parse_name (name, object_info->type, &id, &detail, FALSE))
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_SIGNAL,
"Invalid signal '%s' for type '%s'",
name, g_type_name (object_info->type));
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
/* Swapped defaults to FALSE except when object is set */
if (swapped == -1)
{
if (object)
swapped = TRUE;
else
swapped = FALSE;
}
info = g_slice_new0 (SignalInfo);
info->id = id;
info->detail = detail;
info->handler = g_strdup (handler);
if (after)
info->flags |= G_CONNECT_AFTER;
if (swapped)
info->flags |= G_CONNECT_SWAPPED;
info->connect_object_name = g_strdup (object);
state_push (data, info);
info->tag.name = element_name;
}
static void
parse_property (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
PropertyInfo *info;
const gchar *name = NULL;
const gchar *context = NULL;
const gchar *bind_source = NULL;
const gchar *bind_property = NULL;
const gchar *bind_flags_str = NULL;
GBindingFlags bind_flags = G_BINDING_DEFAULT;
gboolean translatable = FALSE;
ObjectInfo *object_info;
GParamSpec *pspec = NULL;
gint line, col;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info ||
!(strcmp (object_info->tag.name, "object") == 0 ||
strcmp (object_info->tag.name, "template") == 0))
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING, "name", &name,
G_MARKUP_COLLECT_BOOLEAN|G_MARKUP_COLLECT_OPTIONAL, "translatable", &translatable,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "comments", NULL,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "context", &context,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "bind-source", &bind_source,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "bind-property", &bind_property,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "bind-flags", &bind_flags_str,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
pspec = g_object_class_find_property (object_info->oclass, name);
if (!pspec)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_PROPERTY,
"Invalid property: %s.%s",
g_type_name (object_info->type), name);
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
if (bind_flags_str)
{
if (!_gtk_builder_flags_from_string (G_TYPE_BINDING_FLAGS, NULL, bind_flags_str, &bind_flags, error))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
}
g_markup_parse_context_get_position (data->ctx, &line, &col);
if (bind_source && bind_property)
{
BindingInfo *binfo;
binfo = g_slice_new (BindingInfo);
binfo->target = NULL;
binfo->target_pspec = pspec;
binfo->source = g_strdup (bind_source);
binfo->source_property = g_strdup (bind_property);
binfo->flags = bind_flags;
binfo->line = line;
binfo->col = col;
object_info->bindings = g_slist_prepend (object_info->bindings, binfo);
}
else if (bind_source || bind_property)
{
error_missing_attribute (data, element_name,
(bind_source) ? "bind-property" : "bind-source",
error);
return;
}
info = g_slice_new (PropertyInfo);
info->tag.name = element_name;
info->pspec = pspec;
info->text = g_string_new ("");
info->translatable = translatable;
info->bound = (bind_source && bind_property);
info->context = g_strdup (context);
info->line = line;
info->col = col;
state_push (data, info);
}
static void
parse_object (GMarkupParseContext *context,
ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo *object_info;
ChildInfo* child_info;
GType object_type = G_TYPE_INVALID;
const gchar *object_class = NULL;
const gchar *constructor = NULL;
const gchar *type_func = NULL;
const gchar *object_id = NULL;
gchar *internal_id = NULL;
gint line;
child_info = state_peek_info (data, ChildInfo);
if (child_info && strcmp (child_info->tag.name, "object") == 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "class", &object_class,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "constructor", &constructor,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "type-func", &type_func,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "id", &object_id,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, data->ctx, error);
return;
}
if (type_func)
{
/* Call the GType function, and return the GType, it's guaranteed afterwards
* that g_type_from_name on the name will return our GType
*/
object_type = _get_type_by_symbol (type_func);
if (object_type == G_TYPE_INVALID)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_TYPE_FUNCTION,
"Invalid type function '%s'", type_func);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
}
else if (object_class)
{
object_type = gtk_builder_get_type_from_name (data->builder, object_class);
if (object_type == G_TYPE_INVALID)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_VALUE,
"Invalid object type '%s'", object_class);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
}
else
{
error_missing_attribute (data, element_name, "class", error);
return;
}
if (!object_id)
{
internal_id = g_strdup_printf ("___object_%d___", ++data->object_counter);
object_id = internal_id;
}
++data->cur_object_level;
/* check if we reached a requested object (if it is specified) */
if (data->requested_objects && !data->inside_requested_object)
{
if (is_requested_object (object_id, data))
{
data->requested_object_level = data->cur_object_level;
GTK_NOTE (BUILDER,
g_message ("requested object \"%s\" found at level %d",
object_id, data->requested_object_level));
data->inside_requested_object = TRUE;
}
else
{
g_free (internal_id);
return;
}
}
object_info = g_slice_new0 (ObjectInfo);
object_info->tag.name = element_name;
object_info->type = object_type;
object_info->oclass = g_type_class_ref (object_type);
object_info->id = (internal_id) ? internal_id : g_strdup (object_id);
object_info->constructor = g_strdup (constructor);
object_info->parent = (CommonInfo*)child_info;
state_push (data, object_info);
line = GPOINTER_TO_INT (g_hash_table_lookup (data->object_ids, object_id));
if (line != 0)
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_DUPLICATE_ID,
"Duplicate object ID '%s' (previously on line %d)",
object_id, line);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
g_markup_parse_context_get_position (context, &line, NULL);
g_hash_table_insert (data->object_ids, g_strdup (object_id), GINT_TO_POINTER (line));
}
static void
end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParserData *data = (ParserData*)user_data;
GTK_NOTE (BUILDER, g_message ("</%s>", element_name));
if (data->subparser && data->subparser->start)
{
subparser_end (context, element_name, data, error);
return;
}
if (strcmp (element_name, "requires") == 0)
{
RequiresInfo *req_info = state_pop_info (data, RequiresInfo);
/* TODO: Allow third party widget developers to check thier
* required versions, possibly throw a signal allowing them
* to check thier library versions here.
*/
if (!strcmp (req_info->library, "gtk+"))
{
if (!GTK_CHECK_VERSION (req_info->major, req_info->minor, 0))
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_VERSION_MISMATCH,
"Required %s version %d.%d, current version is %d.%d",
req_info->library,
req_info->major, req_info->minor,
GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
_gtk_builder_prefix_error (data->builder, context, error);
}
}
free_requires_info (req_info, NULL);
}
else if (strcmp (element_name, "interface") == 0)
{
}
else if (data->requested_objects && !data->inside_requested_object)
{
/* If outside a requested object, simply ignore this tag */
}
else if (strcmp (element_name, "menu") == 0)
{
_gtk_builder_menu_end (data);
}
else if (strcmp (element_name, "object") == 0 ||
strcmp (element_name, "template") == 0)
{
ObjectInfo *object_info = state_pop_info (data, ObjectInfo);
ChildInfo* child_info = state_peek_info (data, ChildInfo);
if (data->requested_objects && data->inside_requested_object &&
(data->cur_object_level == data->requested_object_level))
{
GTK_NOTE (BUILDER,
g_message ("requested object end found at level %d",
data->requested_object_level));
data->inside_requested_object = FALSE;
}
--data->cur_object_level;
g_assert (data->cur_object_level >= 0);
object_info->object = builder_construct (data, object_info, error);
if (!object_info->object)
{
free_object_info (object_info);
return;
}
if (child_info)
child_info->object = object_info->object;
if (GTK_IS_BUILDABLE (object_info->object) &&
GTK_BUILDABLE_GET_IFACE (object_info->object)->parser_finished)
data->finalizers = g_slist_prepend (data->finalizers, object_info->object);
_gtk_builder_add_signals (data->builder, object_info->signals);
free_object_info (object_info);
}
else if (strcmp (element_name, "property") == 0)
{
PropertyInfo *prop_info = state_pop_info (data, PropertyInfo);
CommonInfo *info = state_peek_info (data, CommonInfo);
g_assert (info != NULL);
/* Normal properties */
if (strcmp (info->tag.name, "object") == 0 ||
strcmp (info->tag.name, "template") == 0)
{
ObjectInfo *object_info = (ObjectInfo*)info;
if (prop_info->translatable && prop_info->text->len)
{
const gchar *translated;
translated = _gtk_builder_parser_translate (data->domain,
prop_info->context,
prop_info->text->str);
g_string_assign (prop_info->text, translated);
}
object_info->properties = g_slist_prepend (object_info->properties, prop_info);
}
else
g_assert_not_reached ();
}
else if (strcmp (element_name, "child") == 0)
{
ChildInfo *child_info = state_pop_info (data, ChildInfo);
_gtk_builder_add (data->builder, child_info);
free_child_info (child_info);
}
else if (strcmp (element_name, "signal") == 0)
{
SignalInfo *signal_info = state_pop_info (data, SignalInfo);
ObjectInfo *object_info = (ObjectInfo*)state_peek_info (data, CommonInfo);
g_assert (object_info != NULL);
signal_info->object_name = g_strdup (object_info->id);
object_info->signals = g_slist_prepend (object_info->signals, signal_info);
}
else if (strcmp (element_name, "placeholder") == 0)
{
}
else
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_UNHANDLED_TAG,
"Unhandled tag: <%s>", element_name);
_gtk_builder_prefix_error (data->builder, context, error);
}
}
static void
parse_signal (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
SignalInfo *info;
gchar *name = NULL;
gchar *handler = NULL;
gchar *object = NULL;
gboolean after = FALSE;
gboolean swapped = FALSE;
gboolean swapped_set = FALSE;
ObjectInfo *object_info;
int i;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info || strcmp (object_info->tag.name, "object") != 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
for (i = 0; names[i] != NULL; i++)
{
if (strcmp (names[i], "name") == 0)
name = g_strdup (values[i]);
else if (strcmp (names[i], "handler") == 0)
handler = g_strdup (values[i]);
else if (strcmp (names[i], "after") == 0)
{
if (!_gtk_builder_boolean_from_string (values[i], &after, error))
return;
}
else if (strcmp (names[i], "swapped") == 0)
{
if (!_gtk_builder_boolean_from_string (values[i], &swapped, error))
return;
swapped_set = TRUE;
}
else if (strcmp (names[i], "object") == 0)
object = g_strdup (values[i]);
else if (strcmp (names[i], "last_modification_time") == 0)
/* parse but ignore */
;
else
{
error_invalid_attribute (data, element_name, names[i], error);
return;
}
}
if (!name)
{
error_missing_attribute (data, element_name, "name", error);
return;
}
else if (!handler)
{
error_missing_attribute (data, element_name, "handler", error);
return;
}
/* Swapped defaults to FALSE except when object is set */
if (object && !swapped_set)
swapped = TRUE;
info = g_slice_new0 (SignalInfo);
info->name = name;
info->handler = handler;
if (after)
info->flags |= G_CONNECT_AFTER;
if (swapped)
info->flags |= G_CONNECT_SWAPPED;
info->connect_object_name = object;
state_push (data, info);
info->tag.name = element_name;
}
static void
parse_property (ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
PropertyInfo *info;
gchar *name = NULL;
gchar *context = NULL;
gboolean translatable = FALSE;
ObjectInfo *object_info;
int i;
object_info = state_peek_info (data, ObjectInfo);
if (!object_info || strcmp (object_info->tag.name, "object") != 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
for (i = 0; names[i] != NULL; i++)
{
if (strcmp (names[i], "name") == 0)
name = g_strdelimit (g_strdup (values[i]), "_", '-');
else if (strcmp (names[i], "translatable") == 0)
{
if (!_gtk_builder_boolean_from_string (values[i], &translatable,
error))
return;
}
else if (strcmp (names[i], "comments") == 0)
{
/* do nothing, comments are for translators */
}
else if (strcmp (names[i], "context") == 0)
{
context = g_strdup (values[i]);
}
else
{
error_invalid_attribute (data, element_name, names[i], error);
return;
}
}
if (!name)
{
error_missing_attribute (data, element_name, "name", error);
return;
}
info = g_slice_new0 (PropertyInfo);
info->name = name;
info->translatable = translatable;
info->context = context;
info->text = g_string_new ("");
state_push (data, info);
info->tag.name = element_name;
}
static void
parse_object (GMarkupParseContext *context,
ParserData *data,
const gchar *element_name,
const gchar **names,
const gchar **values,
GError **error)
{
ObjectInfo *object_info;
ChildInfo* child_info;
int i;
gchar *object_class = NULL;
gchar *object_id = NULL;
gchar *constructor = NULL;
gint line, line2;
child_info = state_peek_info (data, ChildInfo);
if (child_info && strcmp (child_info->tag.name, "object") == 0)
{
error_invalid_tag (data, element_name, NULL, error);
return;
}
for (i = 0; names[i] != NULL; i++)
{
if (strcmp (names[i], "class") == 0)
object_class = g_strdup (values[i]);
else if (strcmp (names[i], "id") == 0)
object_id = g_strdup (values[i]);
else if (strcmp (names[i], "constructor") == 0)
constructor = g_strdup (values[i]);
else if (strcmp (names[i], "type-func") == 0)
{
/* Call the GType function, and return the name of the GType,
* it's guaranteed afterwards that g_type_from_name on the name
* will return our GType
*/
object_class = _get_type_by_symbol (values[i]);
if (!object_class)
{
g_markup_parse_context_get_position (context, &line, NULL);
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_TYPE_FUNCTION,
_("Invalid type function on line %d: '%s'"),
line, values[i]);
return;
}
}
else
{
error_invalid_attribute (data, element_name, names[i], error);
return;
}
}
if (!object_class)
{
error_missing_attribute (data, element_name, "class", error);
return;
}
if (!object_id)
{
error_missing_attribute (data, element_name, "id", error);
return;
}
++data->cur_object_level;
/* check if we reached a requested object (if it is specified) */
if (data->requested_objects && !data->inside_requested_object)
{
if (is_requested_object (object_id, data))
{
data->requested_object_level = data->cur_object_level;
GTK_NOTE (BUILDER, g_print ("requested object \"%s\" found at level %d\n",
object_id,
data->requested_object_level));
data->inside_requested_object = TRUE;
}
else
{
g_free (object_class);
g_free (object_id);
g_free (constructor);
return;
}
}
object_info = g_slice_new0 (ObjectInfo);
object_info->class_name = object_class;
object_info->id = object_id;
object_info->constructor = constructor;
state_push (data, object_info);
object_info->tag.name = element_name;
if (child_info)
object_info->parent = (CommonInfo*)child_info;
g_markup_parse_context_get_position (context, &line, NULL);
line2 = GPOINTER_TO_INT (g_hash_table_lookup (data->object_ids, object_id));
if (line2 != 0)
{
g_set_error (error, GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_DUPLICATE_ID,
_("Duplicate object id '%s' on line %d (previously on line %d)"),
object_id, line, line2);
return;
}
g_hash_table_insert (data->object_ids, g_strdup (object_id), GINT_TO_POINTER (line));
}
