diff options
Diffstat (limited to 'src/db_plugin.h')
| -rw-r--r-- | src/db_plugin.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/db_plugin.h b/src/db_plugin.h index 5fec2529e..1c7e14ede 100644 --- a/src/db_plugin.h +++ b/src/db_plugin.h @@ -31,6 +31,8 @@ #include <stdbool.h> struct config_param; +struct db_selection; +struct db_visitor; struct db { const struct db_plugin *plugin; @@ -67,6 +69,13 @@ struct db_plugin { */ struct song *(*get_song)(struct db *db, const char *uri, GError **error_r); + + /** + * Visit the selected entities. + */ + bool (*visit)(struct db *db, const struct db_selection *selection, + const struct db_visitor *visitor, void *ctx, + GError **error_r); }; G_GNUC_MALLOC @@ -78,6 +87,7 @@ db_plugin_new(const struct db_plugin *plugin, const struct config_param *param, assert(plugin->init != NULL); assert(plugin->finish != NULL); assert(plugin->get_song != NULL); + assert(plugin->visit != NULL); assert(error_r == NULL || *error_r == NULL); struct db *db = plugin->init(param, error_r); @@ -129,4 +139,18 @@ db_plugin_get_song(struct db *db, const char *uri, GError **error_r) return db->plugin->get_song(db, uri, error_r); } +static inline bool +db_plugin_visit(struct db *db, const struct db_selection *selection, + const struct db_visitor *visitor, void *ctx, + GError **error_r) +{ + assert(db != NULL); + assert(db->plugin != NULL); + assert(selection != NULL); + assert(visitor != NULL); + assert(error_r == NULL || *error_r == NULL); + + return db->plugin->visit(db, selection, visitor, ctx, error_r); +} + #endif |