+ /** Gets a configuration option by name. */
+ const Option &get_option(const std::string &) const;
+
+ const OptionMap &get_options() const { return options; }
+ const Msp::Time::TimeStamp &get_mtime() const { return mtime; }
+
+ /** Checks whether an option exists. */
+ bool is_option(const std::string &) const;
+
+ /** Processes options from the given raw option map. Nonexistent options
+ are ignored. If any options were changed, the mtime of the configuration is
+ updated to the current time. Return value indicates whether any options
+ were changed. */
+ bool update(const StringMap &);
+
+ /** Expands any variable references in options. */
+ void finish();
+
+ void save() const;
+private: