XMMS2
|
This is the collection manager. More...
Functions | |
xmms_coll_dag_t * | xmms_collection_init (xmms_playlist_t *playlist) |
Initializes a new xmms_coll_dag_t. More... | |
void | xmms_collection_sync (xmms_coll_dag_t *dag) |
Synchronize collection data to the database (i.e. More... | |
GList * | xmms_collection_query_ids (xmms_coll_dag_t *dag, xmmsv_coll_t *coll, gint32 lim_start, gint32 lim_len, xmmsv_t *order, xmms_error_t *err) |
Find the ids of the media matched by a collection. More... | |
void | xmms_collection_update_pointer (xmms_coll_dag_t *dag, const gchar *name, guint nsid, xmmsv_coll_t *newtarget) |
Update a reference to point to a new collection. More... | |
void | xmms_collection_dag_replace (xmms_coll_dag_t *dag, xmms_collection_namespace_id_t nsid, gchar *key, xmmsv_coll_t *newcoll) |
Update the DAG to update the value of the pair with the given key. More... | |
xmmsv_coll_t * | xmms_collection_get_pointer (xmms_coll_dag_t *dag, const gchar *collname, guint nsid) |
Find the collection structure corresponding to the given name in the given namespace. More... | |
gboolean | xmms_collection_get_int_attr (xmmsv_coll_t *coll, const gchar *attrname, gint *val) |
Extract an attribute from a collection as an integer. More... | |
gboolean | xmms_collection_set_int_attr (xmmsv_coll_t *coll, const gchar *attrname, gint newval) |
Set the attribute of a collection as an integer. More... | |
const gchar * | xmms_collection_find_alias (xmms_coll_dag_t *dag, guint nsid, xmmsv_coll_t *value, const gchar *key) |
Reverse-search the list of collections in the given namespace to find the first pair whose value matches the argument. More... | |
xmms_medialib_entry_t | xmms_collection_get_random_media (xmms_coll_dag_t *dag, xmmsv_coll_t *source) |
Get a random media entry from the given collection. More... | |
This is the collection manager.
The set of collections is stored as a DAG of collection operators. Each collection namespace contains a list of saved collections, with a pointer to the node in the graph.
void xmms_collection_dag_replace | ( | xmms_coll_dag_t * | dag, |
xmms_collection_namespace_id_t | nsid, | ||
gchar * | key, | ||
xmmsv_coll_t * | newcoll | ||
) |
Update the DAG to update the value of the pair with the given key.
Definition at line 858 of file collection.c.
Referenced by xmms_collection_update_pointer().
const gchar* xmms_collection_find_alias | ( | xmms_coll_dag_t * | dag, |
guint | nsid, | ||
xmmsv_coll_t * | value, | ||
const gchar * | key | ||
) |
Reverse-search the list of collections in the given namespace to find the first pair whose value matches the argument.
If key is not NULL, any pair with the same key will be ignored.
dag | The collection DAG. |
nsid | The id of the namespace to consider. |
value | The value of the pair to find. |
key | If not NULL, ignore any pair with that key. |
Definition at line 955 of file collection.c.
gboolean xmms_collection_get_int_attr | ( | xmmsv_coll_t * | coll, |
const gchar * | attrname, | ||
gint * | val | ||
) |
Extract an attribute from a collection as an integer.
coll | The collection to extract the attribute from. |
attrname | The name of the attribute. |
val | The integer value of the attribute will be saved in this pointer. |
Definition at line 898 of file collection.c.
xmmsv_coll_t* xmms_collection_get_pointer | ( | xmms_coll_dag_t * | dag, |
const gchar * | collname, | ||
guint | nsid | ||
) |
Find the collection structure corresponding to the given name in the given namespace.
dag | The collection DAG. |
collname | The name of the collection to find. |
nsid | The namespace id. |
Definition at line 873 of file collection.c.
Referenced by bind_all_references().
xmms_medialib_entry_t xmms_collection_get_random_media | ( | xmms_coll_dag_t * | dag, |
xmmsv_coll_t * | source | ||
) |
Get a random media entry from the given collection.
dag | The collection DAG. |
source | The collection to query. |
Definition at line 978 of file collection.c.
xmms_coll_dag_t* xmms_collection_init | ( | xmms_playlist_t * | playlist | ) |
Initializes a new xmms_coll_dag_t.
Definition at line 214 of file collection.c.
GList* xmms_collection_query_ids | ( | xmms_coll_dag_t * | dag, |
xmmsv_coll_t * | coll, | ||
gint32 | lim_start, | ||
gint32 | lim_len, | ||
xmmsv_t * | order, | ||
xmms_error_t * | err | ||
) |
Find the ids of the media matched by a collection.
dag | The collection DAG. |
coll | The collection used to match media. |
lim_start | The beginning index of the LIMIT statement (0 to disable). |
lim_len | The number of entries of the LIMIT statement (0 to disable). |
order | The list of properties to order by (empty to disable). |
err | If an error occurs, a message is stored in it. |
Definition at line 731 of file collection.c.
Referenced by xmms_collection_get_random_media().
gboolean xmms_collection_set_int_attr | ( | xmmsv_coll_t * | coll, |
const gchar * | attrname, | ||
gint | newval | ||
) |
Set the attribute of a collection as an integer.
coll | The collection in which to set the attribute. |
attrname | The name of the attribute. |
newval | The new value of the attribute. |
Definition at line 926 of file collection.c.
void xmms_collection_sync | ( | xmms_coll_dag_t * | dag | ) |
Synchronize collection data to the database (i.e.
to disk).
dag | The collection DAG. |
err | If an error occurs, a message is stored in it. |
Definition at line 539 of file collection.c.
void xmms_collection_update_pointer | ( | xmms_coll_dag_t * | dag, |
const gchar * | name, | ||
guint | nsid, | ||
xmmsv_coll_t * | newtarget | ||
) |
Update a reference to point to a new collection.
dag | The collection DAG. |
name | The name of the reference to update. |
nsid | The namespace in which to locate the reference. |
newtarget | The new collection pointed to by the reference. |
Definition at line 849 of file collection.c.