/**
* Support for readdir().
*
* @return string|bool the next filename, or false if there are no more
* files in the directory
* @see http://www.php.net/manual/en/function.readdir.php
*/
public function dir_readdir()
{
while ($this->_directoryIterator->valid()) {
$key = $this->_directoryIterator->key();
$current = $this->_directoryIterator->current();
$iterator = $this->_directoryIterator->getInnerIterator();
try {
$this->_directoryIterator->next();
} catch (Services_Amazon_S3_Exception $e) {
return false;
}
if (is_string($current)) {
// Return "." or ".."
return $key;
}
if ($iterator instanceof Services_Amazon_S3_ObjectIterator) {
// Strip prefix and any trailing slash
$key = rtrim(substr($key, strlen($iterator->prefix)), '/');
} else {
// When iterating over buckets, $current is a bucket instance
$key = $current->name;
}
// Subdirectories may be represented in two different ways - make
// sure not to report duplicates
$subdirectory = false;
if (substr($key, -9) == '_$folder$') {
$subdirectory = $key = substr($key, 0, -9);
} elseif ($current instanceof Services_Amazon_S3_Prefix) {
$subdirectory = $key;
}
if ($subdirectory) {
if (!in_array($key, $this->_subdirectories)) {
$this->_subdirectories[] = $key;
return $key;
}
} else {
return $key;
}
}
return false;
}
