diff core/lib/Drupal/Core/Archiver/Tar.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Archiver/Tar.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,91 @@
+<?php
+
+namespace Drupal\Core\Archiver;
+
+/**
+ * Defines a archiver implementation for .tar files.
+ */
+class Tar implements ArchiverInterface {
+
+  /**
+   * The underlying ArchiveTar instance that does the heavy lifting.
+   *
+   * @var \Drupal\Core\Archiver\ArchiveTar
+   */
+  protected $tar;
+
+  /**
+   * Constructs a Tar object.
+   *
+   * @param string $file_path
+   *   The full system path of the archive to manipulate. Only local files
+   *   are supported. If the file does not yet exist, it will be created if
+   *   appropriate.
+   *
+   * @throws \Drupal\Core\Archiver\ArchiverException
+   */
+  public function __construct($file_path) {
+    $this->tar = new ArchiveTar($file_path);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function add($file_path) {
+    $this->tar->add($file_path);
+
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function remove($file_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 $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function extract($path, array $files = []) {
+    if ($files) {
+      $this->tar->extractList($files, $path);
+    }
+    else {
+      $this->tar->extract($path);
+    }
+
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function listContents() {
+    $files = [];
+    foreach ($this->tar->listContent() as $file_data) {
+      $files[] = $file_data['filename'];
+    }
+    return $files;
+  }
+
+  /**
+   * Retrieves 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 Archive_Tar
+   *   The Archive_Tar object used by this object.
+   */
+  public function getArchive() {
+    return $this->tar;
+  }
+
+}