+static int def_to_json_recursive (const graph_def_t *def, /* {{{ */
+ yajl_gen handler)
+{
+ char color[16];
+
+ if (def == NULL)
+ return (0);
+
+ if (def->color < 0x00ffffff)
+ snprintf (color, sizeof (color), "#%06"PRIx32, def->color);
+ else
+ strncpy (color, "random", sizeof (color));
+ color[sizeof (color) - 1] = 0;
+
+ yajl_gen_map_open (handler);
+
+#define yajl_gen_string_cast(h,p,l) \
+ yajl_gen_string (h, (unsigned char *) p, (unsigned int) l)
+
+ yajl_gen_string_cast (handler, "select", strlen ("select"));
+ ident_to_json (def->select, handler);
+ if (def->ds_name != NULL)
+ {
+ yajl_gen_string_cast (handler, "ds_name", strlen ("ds_name"));
+ yajl_gen_string_cast (handler, def->ds_name, strlen (def->ds_name));
+ }
+ if (def->legend != NULL)
+ {
+ yajl_gen_string_cast (handler, "legend", strlen ("legend"));
+ yajl_gen_string_cast (handler, def->legend, strlen (def->legend));
+ }
+ yajl_gen_string_cast (handler, "color", strlen ("color"));
+ yajl_gen_string_cast (handler, color, strlen (color));
+ yajl_gen_string_cast (handler, "stack", strlen ("stack"));
+ yajl_gen_bool (handler, def->stack);
+ yajl_gen_string_cast (handler, "area", strlen ("area"));
+ yajl_gen_bool (handler, def->area);
+ if (def->format != NULL)
+ {
+ yajl_gen_string_cast (handler, "format", strlen ("format"));
+ yajl_gen_string_cast (handler, def->format, strlen (def->format));
+ }
+
+ yajl_gen_map_close (handler);
+
+ return (def_to_json_recursive (def->next, handler));
+#undef yajl_gen_string_cast
+} /* }}} int def_to_json_recursive */
+