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<?php
/**
* Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Licensed under the MIT license:
* http://opensource.org/licenses/MIT
*/
namespace Icewind\Streams;
class DirectoryWrapper implements Directory {
/**
* @var resource
*/
public $context;
/**
* @var resource
*/
protected $source;
/**
* Load the source from the stream context and return the context options
*
* @param string $name
* @return array
* @throws \Exception
*/
protected function loadContext($name) {
$context = stream_context_get_options($this->context);
if (isset($context[$name])) {
$context = $context[$name];
} else {
throw new \BadMethodCallException('Invalid context, "' . $name . '" options not set');
}
if (isset($context['source']) and is_resource($context['source'])) {
$this->source = $context['source'];
} else {
throw new \BadMethodCallException('Invalid context, source not set');
}
return $context;
}
/**
* @param string $path
* @param array $options
* @return bool
*/
public function dir_opendir($path, $options) {
$this->loadContext('dir');
return true;
}
/**
* @return string
*/
public function dir_readdir() {
return readdir($this->source);
}
/**
* @return bool
*/
public function dir_closedir() {
closedir($this->source);
return true;
}
/**
* @return bool
*/
public function dir_rewinddir() {
rewinddir($this->source);
return true;
}
/**
* @param array $options the options for the context to wrap the stream with
* @param string $class
* @return resource
*/
protected static function wrapWithOptions($options, $class) {
$context = stream_context_create($options);
stream_wrapper_register('dirwrapper', $class);
$wrapped = opendir('dirwrapper://', $context);
stream_wrapper_unregister('dirwrapper');
return $wrapped;
}
}