drupal/modules/system/system.archiver.inc

69 lines
1.4 KiB
PHP

<?php
// $Id$
/**
* @file
* Archiver implementations provided by the system module.
*/
/**
* Archiver for .tar files.
*/
class ArchiverTar implements ArchiverInterface {
/**
* The underlying Archive_Tar instance that does the heavy lifting.
*
* @var Archive_Tar
*/
protected $tar;
public function __construct($file_path) {
$this->tar = new Archive_Tar($file_path);
}
public function add($file_path) {
$this->tar->add($file_path);
return $this;
}
public function remove($path) {
// @todo Archive_Tar doesn't have a remove operation
// so we'll have to simulate it somehow, probably by
// creating a new archive with everything but the removed
// file.
return $this;
}
public function extract($path, Array $files = array()) {
if ($files) {
$this->tar->extractList($files, $path);
}
else {
$this->tar->extract($path);
}
return $this;
}
public function listContents() {
return $this->tar->listContent();
}
/**
* Retrieve the tar engine itself.
*
* In some cases it may be necessary to directly access the underlying
* Archive_Tar object for implementation-specific logic. This is for advanced
* use only as it is not shared by other implementations of ArchiveInterface.
*
* @return
* The Archive_Tar object used by this object.
*/
public function getArchive() {
return $this->tar;
}
}