modules/system/system.archiver.inc

<?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;
  }
}
1	<?php
2	// $Id$
3
4	/**
5	* @file
6	* Archiver implementations provided by the system module.
7	*/
8
9	/**
10	* Archiver for .tar files.
11	*/
12	class ArchiverTar implements ArchiverInterface {
13
14	/**
15	* The underlying Archive_Tar instance that does the heavy lifting.
16	*
17	* @var Archive_Tar
18	*/
19	protected $tar;
20
21	public function __construct($file_path) {
22	$this->tar = new Archive_Tar($file_path);
23	}
24
25	public function add($file_path) {
26	$this->tar->add($file_path);
27
28	return $this;
29	}
30
31	public function remove($path) {
32	// @todo Archive_Tar doesn't have a remove operation
33	// so we'll have to simulate it somehow, probably by
34	// creating a new archive with everything but the removed
35	// file.
36
37	return $this;
38	}
39
40	public function extract($path, Array $files = array()) {
41	if ($files) {
42	$this->tar->extractList($files, $path);
43	}
44	else {
45	$this->tar->extract($path);
46	}
47
48	return $this;
49	}
50
51	public function listContents() {
52	return $this->tar->listContent();
53	}
54
55	/**
56	* Retrieve the tar engine itself.
57	*
58	* In some cases it may be necessary to directly access the underlying
59	* Archive_Tar object for implementation-specific logic. This is for advanced
60	* use only as it is not shared by other implementations of ArchiveInterface.
61	*
62	* @return
63	* The Archive_Tar object used by this object.
64	*/
65	public function getArchive() {
66	return $this->tar;
67	}
68	}