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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\Storage;
/**
* Iterates through a file storage.
*
* The iterator is usually created using the {@link FileStorage::matching()} method.
*
* The iterator can also be used to delete matching keys.
*/
class FileStorageIterator implements \Iterator
{
/**
* Iterator.
*
* @var \Iterator
*/
protected $iterator;
public function __construct(\Iterator $iterator)
{
$this->iterator = $iterator;
}
/**
* Returns the directory iterator.
*
* Dot files are skipped.
*
* @return \DirectoryIterator
*/
public function current()
{
$file = $this->iterator->current();
if ($file->isDot())
{
$this->iterator->next();
$file = $this->current();
}
return $file;
}
public function next()
{
$this->iterator->next();
}
/**
* Returns the pathname of the key.
*
* @return string
*/
public function key()
{
return $this->iterator->current()->getFilename();
}
public function valid()
{
return $this->iterator->valid();
}
public function rewind()
{
$this->iterator->rewind();
}
/**
* Deletes the key found by the iterator.
*/
public function delete()
{
foreach ($this->iterator as $file)
{
unlink($file->getPathname());
}
}
}