+/** An error that occurs while parsing a SubRip file */
+class SubRipError : public FileError
+{
+public:
+ SubRipError (std::string, std::string, boost::filesystem::path);
+};
+
+/** A parent class for classes which have a need to catch and
+ * re-throw exceptions. This is intended for classes
+ * which run their own thread; they should do something like
+ *
+ * void my_thread ()
+ * try {
+ * // do things which might throw exceptions
+ * } catch (...) {
+ * store_current ();
+ * }
+ *
+ * and then in another thread call rethrow(). If any
+ * exception was thrown by my_thread it will be stored by
+ * store_current() and then rethrow() will re-throw it where
+ * it can be handled.
+ */