= 0) && ($bytes < $kilobyte)) {
return $bytes . ' B';
}
elseif (($bytes >= $kilobyte) && ($bytes < $megabyte)) {
return round($bytes / $kilobyte, $precision) . ' KB';
}
elseif (($bytes >= $megabyte) && ($bytes < $gigabyte)) {
return round($bytes / $megabyte, $precision) . ' MB';
}
elseif (($bytes >= $gigabyte) && ($bytes < $terabyte)) {
return round($bytes / $gigabyte, $precision) . ' GB';
}
elseif ($bytes >= $terabyte) {
return round($bytes / $terabyte, $precision) . ' TB';
}
else {
return $bytes . ' B';
}
}
/**
* Creates a label for control group symbols.
*/
function islandora_control_group_to_human_readable($control_group) {
switch ($control_group) {
case 'M':
return 'Managed';
case 'X':
return 'Inline XML';
case 'R':
return 'Redirect';
case 'E':
return 'Externally Referenced';
default:
return $control_group;
}
}
/**
* valid pid ??
* @param type $pid
* @return boolean
*/
function islandora_validate_pid($pid) {
$valid = FALSE;
if (drupal_strlen(trim($pid)) <= 64 && preg_match('/^([A-Za-z0-9]|-|\.)+:(([A-Za-z0-9])|-|\.|~|_|(%[0-9A-F]{2}))+$/', trim($pid))) {
$valid = TRUE;
}
return $valid;
}
/**
* Valid Dsid ??
* @param type $dsid
* @return boolean
*/
function islandora_validate_dsid($dsid) {
$valid = FALSE;
if (drupal_strlen(trim($dsid)) <= 64 && preg_match('/^[a-zA-Z0-9\_\-\.]+$/', trim($dsid))) {
$valid = TRUE;
}
return $valid;
}
/* Helper function to describe a Fedora repository.
*
* Can be used to check if Fedora is available.
*
* @param $url
* A url to a Fedora repository.
* @return
* Returns an array describing the repository. Returns FALSE if Fedora is down
* or if the url is incorrect.
*/
function islandora_describe_repository($url) {
$connection = new IslandoraTuque(NULL, $url);
try {
$info = $connection->api->a->describeRepository();
return $info;
}
catch (RepositoryException $e) {
return FALSE;
}
}