void mpd_database_search_field_start(MpdObj *mi, mpd_TagItems field)
{
/*
* Check argument
*/
if(mi == NULL || field >= MPD_TAG_NUM_OF_ITEM_TYPES || field < 0)
{
debug_printf(DEBUG_ERROR, "Argument error");
return ;
}
if(!mpd_check_connected(mi))
{
debug_printf(DEBUG_ERROR, "Not Connected\n");
return ;
}
if(!mpd_server_check_version(mi, 0,12,0))
{
debug_printf(DEBUG_ERROR, "Advanced field list requires mpd 0.12.0 or higher");
return ;
}
/* lock, so we can work on mi->connection */
if(mpd_lock_conn(mi) != MPD_OK)
{
debug_printf(DEBUG_ERROR, "Failed to lock connection");
return ;
}
mpd_startFieldSearch(mi->connection, field);
/* Set search type */
mi->search_type = MPD_SEARCH_TYPE_LIST;
mi->search_field = field;
/* unlock, let the error handler handle any possible error.
*/
mpd_unlock_conn(mi);
return;
}
int cmd_list ( int argc, char ** argv, mpd_Connection * conn )
{
Constraint *constraints;
int numconstraints = 0;
int type;
int i;
char *tag;
type = get_search_type(argv[0]);
if (type < 0)
return -1;
argc -= 1;
argv += 1;
if (argc > 0) {
if (argc % 2 != 0) {
DIE("arguments must be a tag type and "
"optional pairs of search types and queries\n");
}
numconstraints = get_constraints(argc, argv, &constraints);
if (numconstraints < 0)
return -1;
}
mpd_startFieldSearch(conn, type);
if (argc > 0) {
for (i = 0; i < numconstraints; i++) {
mpd_addConstraintSearch(conn, constraints[i].type,
charset_to_utf8(constraints[i].query));
}
free(constraints);
}
mpd_commitSearch(conn);
printErrorAndExit(conn);
while ((tag = mpd_getNextTag(conn, type))) {
printErrorAndExit(conn);
printf("%s\n", charset_from_utf8(tag));
free(tag);
}
my_finishCommand(conn);
return 0;
}