diff options
Diffstat (limited to 'src/db/simple_db_plugin.c')
| -rw-r--r-- | src/db/simple_db_plugin.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/db/simple_db_plugin.c b/src/db/simple_db_plugin.c index 8218635fc..e359b5e65 100644 --- a/src/db/simple_db_plugin.c +++ b/src/db/simple_db_plugin.c @@ -21,6 +21,8 @@ #include "simple_db_plugin.h" #include "db_internal.h" #include "db_error.h" +#include "db_selection.h" +#include "db_visitor.h" #include "db_save.h" #include "conf.h" #include "glib_compat.h" @@ -48,6 +50,17 @@ simple_db_quark(void) return g_quark_from_static_string("simple_db"); } +G_GNUC_PURE +static const struct directory * +simple_db_lookup_directory(const struct simple_db *db, const char *uri) +{ + assert(db != NULL); + assert(db->root != NULL); + assert(uri != NULL); + + return directory_lookup_directory(db->root, uri); +} + static struct db * simple_db_init(const struct config_param *param, GError **error_r) { @@ -230,6 +243,33 @@ simple_db_get_song(struct db *_db, const char *uri, GError **error_r) return song; } +static bool +simple_db_visit(struct db *_db, const struct db_selection *selection, + const struct db_visitor *visitor, void *ctx, + GError **error_r) +{ + const struct simple_db *db = (const struct simple_db *)_db; + const struct directory *directory = + simple_db_lookup_directory(db, selection->uri); + if (directory == NULL) { + struct song *song; + if (visitor->song != NULL && + (song = simple_db_get_song(_db, selection->uri, NULL)) != NULL) + return visitor->song(song, ctx, error_r); + + g_set_error(error_r, db_quark(), DB_NOT_FOUND, + "No such directory"); + return false; + } + + if (selection->recursive && visitor->directory != NULL && + !visitor->directory(directory, ctx, error_r)) + return false; + + return directory_walk(directory, selection->recursive, + visitor, ctx, error_r); +} + const struct db_plugin simple_db_plugin = { .name = "simple", .init = simple_db_init, @@ -237,6 +277,7 @@ const struct db_plugin simple_db_plugin = { .open = simple_db_open, .close = simple_db_close, .get_song = simple_db_get_song, + .visit = simple_db_visit, }; struct directory * |