/**
* Return autocomplete results as an XML string
*
* @param memcached $cache
* @param mysql connection $conn
* @param string $title
* @param int $userid
* @param string $nsDefault
* @return false in case of error
*/
public static function getResults($cache, $conn, $title, $userid = '', $nsDefault = '')
{
if ($nsDefault == 'Place') {
return AutoCompleter::getPlaceResults($cache, $conn, $title);
}
$ns = '';
// validate title and split
if (!$title) {
return AutoCompleter::formatError('invalid title');
} else {
if (strncasecmp($title, 'user:'******'user';
$title = substr($title, 5);
} else {
if (strncasecmp($title, 'image:', 6) == 0) {
$ns = 'image';
$title = substr($title, 6);
} else {
if (strncasecmp($title, 'surname:', 8) == 0) {
$ns = 'surname';
$title = substr($title, 8);
} else {
if (strncasecmp($title, 'givenname:', 10) == 0) {
$ns = 'givenname';
$title = substr($title, 10);
} else {
if (strncasecmp($title, 'source:', 7) == 0) {
$ns = 'source';
$title = substr($title, 7);
} else {
if (strncasecmp($title, 'place:', 6) == 0) {
$ns = 'place';
$title = substr($title, 6);
} else {
if (strncasecmp($title, 'person:', 7) == 0) {
$ns = 'person';
$title = substr($title, 7);
} else {
if (strncasecmp($title, 'family:', 7) == 0) {
$ns = 'family';
$title = substr($title, 7);
} else {
if (strncasecmp($title, 'mysource:', 9) == 0) {
$ns = 'mysource';
$title = substr($title, 9);
} else {
if (strncasecmp($title, 'repository:', 11) == 0) {
$ns = 'repository';
$title = substr($title, 11);
} else {
if (strncasecmp($title, 'transcript:', 11) == 0) {
$ns = 'transcript';
$title = substr($title, 11);
}
}
}
}
}
}
}
}
}
}
}
}
// convert and validate ns
if (!$ns) {
$ns = $nsDefault;
}
$nsid = @AutoCompleter::$nsToNsid[strtolower($ns)];
if (!$nsid) {
$nsid = 0;
$ns = '';
} else {
$ns = AutoCompleter::$nsidToNs[$nsid];
}
// convert and validate userid - must have userid unless searching source, repository, or place
$isGlobal = $nsid == 104 || $nsid == 106 || $nsid == 114;
if ($nsid == 104) {
// is this still needed?
$userid = 0;
} else {
$userid = intval($userid);
}
if (!$isGlobal && $userid == 0) {
return AutoCompleter::formatError('invalid userid');
}
// generate db key
$dbKey = AutoCompleter::generateDBKey($title, $conn);
// look up in cache (sources only)
if ($isGlobal && $userid == 0) {
// generate cache key
$cacheKey = AutoCompleter::generateCacheKey($userid, $nsid, $dbKey);
$results = AutoCompleter::lookupCache($cache, $cacheKey);
} else {
$results = false;
}
if ($results === false) {
// lookup in db
$results = AutoCompleter::lookupDB($conn, $userid, $ns, $nsid, $dbKey);
if ($results === false) {
$results = AutoCompleter::formatError('mysql error');
} else {
if ($isGlobal && $userid == 0) {
// cache results
AutoCompleter::cacheResults($cache, $cacheKey, $results, AutoCompleter::EXP_TIME);
}
}
}
return $results;
}