Chain get_status to fallback collection if one is defined

[libs/datafile.git] / source / collection.h

diff --git a/source/collection.h b/source/collection.h
index a7ac59bc8069b19697fab896826ef499b3a84e8d..50905ce0d14972d65b24ac37dc74cdd6b5e21be9 100644 (file)
--- a/source/collection.h
+++ b/source/collection.h
@@ -255,6 +255,9 @@ private:
        template<typename T>
        CollectionItemTypeBase *get_type() const;
 
+       /// Gets a descriptor with the same type as another descriptor.
+       CollectionItemTypeBase *get_type(const CollectionItemTypeBase &) const;
+
        /// Returns the descriptor for an item, or null if it's of an unknown type.
        CollectionItemTypeBase *get_type_for_item(const Variant &) const;
 
@@ -263,10 +266,14 @@ protected:
        in the order they are added. */
        void add_source(CollectionSource &);
 
+public:
        /** Opens a raw resource, without interpreting it as object data.  Null is
        returned if no such file is found.  The caller must dispose of the returned
        object when done with it. */
-       IO::Seekable *open_from_sources(const std::string &);
+       IO::Seekable *open_raw(const std::string &) const;
+
+protected:
+       IO::Seekable *open_from_sources(const std::string &n) { return open_raw(n); }
 
 private:
        void gather_names_from_sources(std::list<std::string> &, const CollectionItemTypeBase &) const;
@@ -376,7 +383,7 @@ private:
                Creator(FuncPtr f): func(f) { }
 
                virtual T *create(Collection &coll, const std::string &name) const
-               { return (static_cast<C &>(coll).*func)(name); }
+               { return (dynamic_cast<C &>(coll).*func)(name); }
        };
 
        template<typename B>