/**
* get root folder or given folder
*
* @param string $rootFolder get folder structure for given folder, else root
* @return Zend_Mail_Storage_Folder root or wanted folder
* @throws Zend_Mail_Storage_Exception
* @throws Zend_Mail_Protocol_Exception
*/
public function getFolders($rootFolder = null)
{
$folders = $this->_protocol->listMailbox((string)$rootFolder);
if (!$folders) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception('folder not found');
}
ksort($folders, SORT_STRING);
$root = new Zend_Mail_Storage_Folder('/', '/', false);
$stack = array(null);
$folderStack = array(null);
$parentFolder = $root;
$parent = '';
foreach ($folders as $globalName => $data) {
do {
if (!$parent || strpos($globalName, $parent) === 0) {
$pos = strrpos($globalName, $data['delim']);
if ($pos === false) {
$localName = $globalName;
} else {
$localName = substr($globalName, $pos + 1);
}
$selectable = !$data['flags'] || !in_array('\\Noselect', $data['flags']);
array_push($stack, $parent);
$parent = $globalName . $data['delim'];
$folder = new Zend_Mail_Storage_Folder($localName, $globalName, $selectable);
$parentFolder->$localName = $folder;
array_push($folderStack, $parentFolder);
$parentFolder = $folder;
break;
} else if ($stack) {
$parent = array_pop($stack);
$parentFolder = array_pop($folderStack);
}
} while ($stack);
if (!$stack) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception('error while constructing folder tree');
}
}
return $root;
}