+/*
+ * GtkBuildable implementation
+ */
+static void
+gtk_file_filter_buildable_init (GtkBuildableIface *iface)
+{
+ iface->custom_tag_start = gtk_file_filter_buildable_custom_tag_start;
+ iface->custom_tag_end = gtk_file_filter_buildable_custom_tag_end;
+}
+
+typedef enum {
+ PARSE_MIME_TYPES,
+ PARSE_PATTERNS
+} ParserType;
+
+typedef struct {
+ GtkFileFilter *filter;
+ ParserType type;
+ GString *string;
+ gboolean parsing;
+} SubParserData;
+
+static void
+parser_start_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **names,
+ const gchar **values,
+ gpointer user_data,
+ GError **error)
+{
+ SubParserData *parser_data = (SubParserData*)user_data;
+
+ if (strcmp (element_name, "mime-types") == 0)
+ return;
+ else if (strcmp (element_name, "mime-type") == 0)
+ {
+ parser_data->parsing = TRUE;
+ return;
+ }
+ else if (strcmp (element_name, "patterns") == 0)
+ return;
+ else if (strcmp (element_name, "pattern") == 0)
+ {
+ parser_data->parsing = TRUE;
+ return;
+ }
+ else
+ g_warning ("Unsupported tag for GtkFileFilter: %s\n", element_name);
+}
+
+static void
+parser_text_element (GMarkupParseContext *context,
+ const gchar *text,
+ gsize text_len,
+ gpointer user_data,
+ GError **error)
+{
+ SubParserData *parser_data = (SubParserData*)user_data;
+
+ if (parser_data->parsing)
+ g_string_append_len (parser_data->string, text, text_len);
+}
+
+static void
+parser_end_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error)
+{
+ SubParserData *parser_data = (SubParserData*)user_data;
+
+ if (parser_data->string)
+ {
+ switch (parser_data->type)
+ {
+ case PARSE_MIME_TYPES:
+ gtk_file_filter_add_mime_type (parser_data->filter, parser_data->string->str);
+ break;
+ case PARSE_PATTERNS:
+ gtk_file_filter_add_pattern (parser_data->filter, parser_data->string->str);
+ break;
+ default:
+ break;
+ }
+ }
+
+ g_string_set_size (parser_data->string, 0);
+ parser_data->parsing = FALSE;
+}
+
+static const GMarkupParser sub_parser =
+ {
+ parser_start_element,
+ parser_end_element,
+ parser_text_element,
+ };
+
+static gboolean
+gtk_file_filter_buildable_custom_tag_start (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ GObject *child,
+ const gchar *tagname,
+ GMarkupParser *parser,
+ gpointer *data)
+{
+ SubParserData *parser_data = NULL;
+
+ if (strcmp (tagname, "mime-types") == 0)
+ {
+ parser_data = g_slice_new0 (SubParserData);
+ parser_data->string = g_string_new ("");
+ parser_data->type = PARSE_MIME_TYPES;
+ parser_data->filter = GTK_FILE_FILTER (buildable);
+
+ *parser = sub_parser;
+ *data = parser_data;
+ }
+ else if (strcmp (tagname, "patterns") == 0)
+ {
+ parser_data = g_slice_new0 (SubParserData);
+ parser_data->string = g_string_new ("");
+ parser_data->type = PARSE_PATTERNS;
+ parser_data->filter = GTK_FILE_FILTER (buildable);
+
+ *parser = sub_parser;
+ *data = parser_data;
+ }
+
+ return parser_data != NULL;
+}
+
+static void
+gtk_file_filter_buildable_custom_tag_end (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ GObject *child,
+ const gchar *tagname,
+ gpointer *data)
+{
+ if (strcmp (tagname, "mime-types") == 0 ||
+ strcmp (tagname, "patterns") == 0)
+ {
+ SubParserData *parser_data = (SubParserData*)data;
+
+ g_string_free (parser_data->string, TRUE);
+ g_slice_free (SubParserData, parser_data);
+ }
+}
+
+