X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcollectionsource.h;h=e5647d8231449f2793703eaea083876fd8b0f705;hb=b39ce68f12c30eedb272b65fe78baec5864d89ca;hp=61bb11555decbbf85d36500f18ed829073b64f31;hpb=b1bc25649c1f22abf940a807d934f1e9bb780c28;p=libs%2Fdatafile.git

diff --git a/source/collectionsource.h b/source/collectionsource.h
index 61bb115..e5647d8 100644
--- a/source/collectionsource.h
+++ b/source/collectionsource.h
@@ -3,6 +3,7 @@
 
 #include <list>
 #include <string>
+#include <msp/io/seekable.h>
 
 namespace Msp {
 namespace DataFile {
@@ -21,16 +22,22 @@ public:
 
 protected:
 	CollectionSource() { }
-
 public:
-	/** Determines */
+	virtual ~CollectionSource() { }
+
+	/// Determines whether an object is available from this source.
 	virtual bool is_loadable(const CollectionItemTypeBase &type, const std::string &name) const = 0;
 
-	/** Returns the names of loadable objects of a specific type.  Implementors
-	should use the keyword and/or suffixes of the type to  */
+	/** Returns the names of available objects of a specific type.  Implementors
+	should use type.match_name to check which names are acceptable. */
 	virtual NameList get_names(const CollectionItemTypeBase &type) const = 0;
 
+	/// Loads an item into a collection.
 	virtual void load(Collection &, const CollectionItemTypeBase &, const std::string &) const = 0;
+
+	/** Opens a raw resource.  The caller is responsible for deleting the
+	returned object when done with it. */
+	virtual IO::Seekable *open(const std::string &) const = 0;
 };
 
 } // namespace DataFile