diff options
Diffstat (limited to 'src/DatabasePlugin.hxx')
| -rw-r--r-- | src/DatabasePlugin.hxx | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/DatabasePlugin.hxx b/src/DatabasePlugin.hxx index 31b2a1024..a6168b628 100644 --- a/src/DatabasePlugin.hxx +++ b/src/DatabasePlugin.hxx @@ -29,6 +29,10 @@ #include "DatabaseVisitor.hxx" #include "gcc.h" +extern "C" { +#include "tag.h" +} + struct config_param; struct DatabaseSelection; struct db_visitor; @@ -82,6 +86,14 @@ public: GError **error_r) const { return Visit(selection, VisitDirectory(), visit_song, error_r); } + + /** + * Visit all unique tag values. + */ + virtual bool VisitUniqueTags(const DatabaseSelection &selection, + enum tag_type tag_type, + VisitString visit_string, + GError **error_r) const = 0; }; struct DatabasePlugin { |