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db_plugin: add method get_song()

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New db_get_song() implementation.
This commit is contained in:
Max Kellermann
2011-09-13 21:01:35 +02:00
parent b4430839a3
commit 2fe1b5034d
3 changed files with 39 additions and 2 deletions
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21
src/db_plugin.h
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@@ -58,6 +58,15 @@ struct db_plugin {
* Close the database, free allocated memory.
*/
void (*close)(struct db *db);
/**
* Look up a song (including tag data) in the database.
*
* @param the URI of the song within the music directory
* (UTF-8)
*/
struct song *(*get_song)(struct db *db, const char *uri,
GError **error_r);
};
G_GNUC_MALLOC
@@ -68,6 +77,7 @@ db_plugin_new(const struct db_plugin *plugin, const struct config_param *param,
assert(plugin != NULL);
assert(plugin->init != NULL);
assert(plugin->finish != NULL);
assert(plugin->get_song != NULL);
assert(error_r == NULL || *error_r == NULL);
struct db *db = plugin->init(param, error_r);
@@ -108,4 +118,15 @@ db_plugin_close(struct db *db)
db->plugin->close(db);
}
static inline struct song *
db_plugin_get_song(struct db *db, const char *uri, GError **error_r)
{
assert(db != NULL);
assert(db->plugin != NULL);
assert(db->plugin->get_song != NULL);
assert(uri != NULL);
return db->plugin->get_song(db, uri, error_r);
}
#endif