xmmsc_result_t *
xmmsc_visualization_init (xmmsc_connection_t *c)
{
xmmsc_result_t *res = NULL;
x_check_conn (c, 0);
c->visc++;
c->visv = realloc (c->visv, sizeof (xmmsc_visualization_t*) * c->visc);
if (!c->visv) {
x_oom ();
c->visc = 0;
}
if (c->visc > 0) {
int vv = c->visc-1;
if (!(c->visv[vv] = x_new0 (xmmsc_visualization_t, 1))) {
x_oom ();
} else {
c->visv[vv]->idx = vv;
c->visv[vv]->state = VIS_NEW;
res = xmmsc_send_msg_no_arg (c, XMMS_IPC_OBJECT_VISUALIZATION, XMMS_IPC_CMD_VISUALIZATION_REGISTER);
if (res) {
xmmsc_result_visc_set (res, c->visv[vv]);
}
}
}
return res;
}
/**
* Create a new argument for a method.
*
* @param name The name of the argument. Must not be NULL.
* @param docstring The docstring of the argument.
* @param type The expected type of the argument. Use XMMSV_TYPE_NONE to
* accept any type. XMMSV_TYPE_ERROR is reserved and should not be used.
* @param default_value Value to set this argument to if it's missing in the
* method call. Implies that the argument is optional. If NULL, the argument
* is not optional.
*/
xmmsv_t *
xmmsv_sc_argument_new (const char *name, const char *docstring,
xmmsv_type_t type, xmmsv_t *default_value)
{
xmmsv_t *arg;
x_api_error_if (!name, "with NULL name.", NULL);
x_api_error_if (type == XMMSV_TYPE_ERROR, "with ERROR type.", NULL);
x_api_error_if (default_value && type != XMMSV_TYPE_NONE &&
xmmsv_get_type (default_value) != type,
"with wrong type for default value.", NULL);
arg = xmmsv_new_dict ();
if (!arg) {
x_oom ();
return NULL;
}
xmmsv_dict_set_string (arg, "name", name);
xmmsv_dict_set_int (arg, "type", type);
if (docstring) {
xmmsv_dict_set_string (arg, "docstring", docstring);
}
if (default_value) {
xmmsv_dict_set (arg, "default_value", default_value);
}
return arg;
}
/**
* Allocate a new collection of the given type.
* The pointer will have to be deallocated using #xmmsv_coll_unref.
*
* @param type the #xmmsv_coll_type_t specifying the type of collection to create.
* @return a pointer to the newly created collection, or NULL if the type is invalid.
*/
static xmmsv_coll_internal_t*
_xmmsv_coll_new (xmmsv_coll_type_t type)
{
xmmsv_coll_internal_t *coll;
x_return_val_if_fail (type <= XMMS_COLLECTION_TYPE_LAST, NULL);
coll = x_new0 (xmmsv_coll_internal_t, 1);
if (!coll) {
x_oom ();
return NULL;
}
coll->type = type;
coll->idlist = xmmsv_new_list ();
xmmsv_list_restrict_type (coll->idlist, XMMSV_TYPE_INT64);
coll->operands = xmmsv_new_list ();
xmmsv_list_restrict_type (coll->operands, XMMSV_TYPE_COLL);
coll->attributes = xmmsv_new_dict ();
return coll;
}
/**
* Decode an URL-encoded string.
*
* Some strings (currently only the url of media) has no known
* encoding, and must be encoded in an UTF-8 clean way. This is done
* similar to the url encoding web browsers do. This functions decodes
* a string encoded in that way. OBSERVE that the decoded string HAS
* NO KNOWN ENCODING and you cannot display it on screen in a 100%
* guaranteed correct way (a good heuristic is to try to validate the
* decoded string as UTF-8, and if it validates assume that it is an
* UTF-8 encoded string, and otherwise fall back to some other
* encoding).
*
* Do not use this function if you don't understand the
* implications. The best thing is not to try to display the url at
* all.
*
* Note that the fact that the string has NO KNOWN ENCODING and CAN
* NOT BE DISPLAYED does not stop you from open the file if it is a
* local file (if it starts with "file://").
*
* @param url the #xmmsv_t containing a url-encoded string
* @return a new #xmmsv_t containing the decoded string as a XMMSV_BIN or NULL on failure
*
*/
xmmsv_t *
xmmsv_decode_url (const xmmsv_t *inv)
{
int i = 0, j = 0;
const char *ins;
unsigned char *url;
xmmsv_t *ret;
if (!xmmsv_get_string (inv, &ins)) {
return NULL;
}
url = x_malloc (strlen (ins));
if (!url) {
x_oom ();
return NULL;
}
while (ins[i]) {
unsigned char chr = ins[i++];
if (chr == '+') {
chr = ' ';
} else if (chr == '%') {
char ts[3];
char *t;
ts[0] = ins[i++];
if (!ts[0])
goto err;
ts[1] = ins[i++];
if (!ts[1])
goto err;
ts[2] = '\0';
chr = strtoul (ts, &t, 16);
if (t != &ts[2])
goto err;
}
url[j++] = chr;
}
ret = xmmsv_new_bin (url, j);
free (url);
return ret;
err:
free (url);
return NULL;
}
