void
xmms_fetch_spec_free (xmms_fetch_spec_t *spec)
{
int i;
if (spec == NULL)
return;
switch (spec->type) {
case FETCH_METADATA:
g_free (spec->data.metadata.cols);
break;
case FETCH_CLUSTER_DICT:
case FETCH_CLUSTER_LIST:
xmms_fetch_spec_free (spec->data.cluster.data);
break;
case FETCH_ORGANIZE:
for (i = 0; i < spec->data.organize.count; i++) {
xmms_fetch_spec_free (spec->data.organize.data[i]);
}
g_free (spec->data.organize.keys);
g_free (spec->data.organize.data);
break;
case FETCH_COUNT: /* Nothing to free */
break;
default:
g_assert_not_reached ();
}
g_free (spec);
}
static xmms_fetch_spec_t *
xmms_fetch_spec_new_organize (xmmsv_t *fetch, xmms_fetch_info_t *info,
s4_sourcepref_t *prefs, xmms_error_t *err)
{
xmms_fetch_spec_t *spec;
xmmsv_dict_iter_t *it;
s4_sourcepref_t *sp;
xmmsv_t *org_data;
gint org_idx;
if (!xmmsv_dict_get (fetch, "data", &org_data)) {
xmms_error_set (err, XMMS_ERROR_INVAL, "Required field 'data' not set in organize.");
return NULL;
}
if (xmmsv_get_type (org_data) != XMMSV_TYPE_DICT) {
xmms_error_set (err, XMMS_ERROR_INVAL, "Field 'data' in organize must be a dict.");
return NULL;
}
sp = normalize_source_preferences (fetch, prefs, err);
if (xmms_error_iserror (err)) {
return NULL;
}
spec = g_new0 (xmms_fetch_spec_t, 1);
spec->type = FETCH_ORGANIZE;
spec->data.organize.count = xmmsv_dict_get_size (org_data);
spec->data.organize.keys = g_new0 (const char *, spec->data.organize.count);
spec->data.organize.data = g_new0 (xmms_fetch_spec_t *, spec->data.organize.count);
org_idx = 0;
xmmsv_get_dict_iter (org_data, &it);
while (xmmsv_dict_iter_valid (it)) {
xmms_fetch_spec_t *orgee;
const gchar *str;
xmmsv_t *entry;
xmmsv_dict_iter_pair (it, &str, &entry);
orgee = xmms_fetch_spec_new (entry, info, sp, err);
if (xmms_error_iserror (err)) {
xmms_fetch_spec_free (spec);
spec = NULL;
break;
}
spec->data.organize.keys[org_idx] = str;
spec->data.organize.data[org_idx] = orgee;
org_idx++;
xmmsv_dict_iter_next (it);
}
xmmsv_dict_iter_explicit_destroy (it);
s4_sourcepref_unref (sp);
return spec;
}
/**
* Queries the medialib and returns an xmmsv_t with the info requested
*
* @param coll The collection to find
* @param fetch Specifies what to fetch
* @return An xmmsv_t with the structure requested in fetch
*/
xmmsv_t *
xmms_medialib_query (xmms_medialib_session_t *session, xmmsv_t *coll,
xmmsv_t *fetch, xmms_error_t *err)
{
s4_sourcepref_t *sourcepref;
s4_resultset_t *set;
xmmsv_t *ret;
xmms_fetch_info_t *info;
xmms_fetch_spec_t *spec;
xmms_error_reset (err);
sourcepref = xmms_medialib_session_get_source_preferences (session);
info = xmms_fetch_info_new (sourcepref);
spec = xmms_fetch_spec_new (fetch, info, sourcepref, err);
s4_sourcepref_unref (sourcepref);
if (spec == NULL) {
xmms_fetch_spec_free (spec);
xmms_fetch_info_free (info);
return NULL;
}
set = xmms_medialib_query_recurs (session, coll, info);
ret = xmms_medialib_query_to_xmmsv (set, spec);
s4_resultset_free (set);
xmms_fetch_spec_free (spec);
xmms_fetch_info_free (info);
if (ret == NULL) {
if (err) {
xmms_error_set (err, XMMS_ERROR_NOENT, "Failed to retrieve query "
"result. This is probably a bug in xmms2d.");
}
return NULL;
}
xmms_medialib_session_track_garbage (session, ret);
return ret;
}
