+
+#if __cplusplus>=201103L
+/**
+Loads an object from a file. The object must have a public Loader class. Any
+extra arguments are passed to the Loader constructor.
+*/
+template<typename T, typename... Args>
+void load(T &obj, const std::string &fn, Args &... args)
+{
+ IO::BufferedFile in(fn);
+
+ Parser parser(in, fn);
+ typename T::Loader loader(obj, args...);
+ loader.load(parser);
+}
+
+/**
+Loads an object from a file stored in a collection. The object must havea
+public Loader class. The collection is passed to the Loader constructor,
+followed by any extra arguments.
+*/
+template<typename T, typename... Args>
+void load(T &obj, typename T::Loader::Collection &coll, const std::string &fn, Args &... args)
+{
+ RefPtr<IO::Seekable> in = coll.open_raw(fn);
+ if(!in)
+ throw IO::file_not_found(fn);
+
+ Parser parser(*in, fn);
+ typename T::Loader loader(obj, coll, args...);
+ loader.load(parser);
+}
+
+/**
+Loads an object from a file stored in a collection. The object must havea
+public Loader class. Any extra arguments are passed to the Loader constructor.
+*/
+template<typename T, typename C, typename... Args>
+typename EnableIf<NeedsCollection<typename T::Loader>::value, void>::No load(T &obj, C &coll, const std::string &fn, Args &... args)
+{
+ RefPtr<IO::Seekable> in = coll.open_raw(fn);
+ if(!in)
+ throw IO::file_not_found(fn);
+
+ Parser parser(*in, fn);
+ typename T::Loader loader(obj, args...);
+ loader.load(parser);
+}
+
+#else
+
+/**
+Loads an object from a file. The object must have a public Loader class.
+*/
+template<typename T>
+void load(T &obj, const std::string &fn)
+{
+ IO::BufferedFile in(fn);
+
+ Parser parser(in, fn);
+ typename T::Loader loader(obj);
+ loader.load(parser);
+}
+
+/**
+Loads an object from a file, passing one extra argument to the Loader
+constructor. The object must have a public Loader class.
+*/
+template<typename T, typename U>
+void load(T &obj, const std::string &fn, U &arg)
+{
+ IO::BufferedFile in(fn);
+
+ Parser parser(in, fn);
+ typename T::Loader loader(obj, arg);
+ loader.load(parser);
+}
+#endif
+
+} // namespace DataFile