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

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Extension/Extension.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,202 @@
+<?php
+
+namespace Drupal\Core\Extension;
+
+/**
+ * Defines an extension (file) object.
+ */
+class Extension implements \Serializable {
+
+  /**
+   * The type of the extension (e.g., 'module').
+   *
+   * @var string
+   */
+  protected $type;
+
+  /**
+   * The relative pathname of the extension (e.g., 'core/modules/node/node.info.yml').
+   *
+   * @var string
+   */
+  protected $pathname;
+
+  /**
+   * The filename of the main extension file (e.g., 'node.module').
+   *
+   * @var string|null
+   */
+  protected $filename;
+
+  /**
+   * An SplFileInfo instance for the extension's info file.
+   *
+   * Note that SplFileInfo is a PHP resource and resources cannot be serialized.
+   *
+   * @var \SplFileInfo
+   */
+  protected $splFileInfo;
+
+  /**
+   * The app root.
+   *
+   * @var string
+   */
+  protected $root;
+
+  /**
+   * Constructs a new Extension object.
+   *
+   * @param string $root
+   *   The app root.
+   * @param string $type
+   *   The type of the extension; e.g., 'module'.
+   * @param string $pathname
+   *   The relative path and filename of the extension's info file; e.g.,
+   *   'core/modules/node/node.info.yml'.
+   * @param string $filename
+   *   (optional) The filename of the main extension file; e.g., 'node.module'.
+   */
+  public function __construct($root, $type, $pathname, $filename = NULL) {
+    $this->root = $root;
+    $this->type = $type;
+    $this->pathname = $pathname;
+    $this->filename = $filename;
+  }
+
+  /**
+   * Returns the type of the extension.
+   *
+   * @return string
+   */
+  public function getType() {
+    return $this->type;
+  }
+
+  /**
+   * Returns the internal name of the extension.
+   *
+   * @return string
+   */
+  public function getName() {
+    return basename($this->pathname, '.info.yml');
+  }
+
+  /**
+   * Returns the relative path of the extension.
+   *
+   * @return string
+   */
+  public function getPath() {
+    return dirname($this->pathname);
+  }
+
+  /**
+   * Returns the relative path and filename of the extension's info file.
+   *
+   * @return string
+   */
+  public function getPathname() {
+    return $this->pathname;
+  }
+
+  /**
+   * Returns the filename of the extension's info file.
+   *
+   * @return string
+   */
+  public function getFilename() {
+    return basename($this->pathname);
+  }
+
+  /**
+   * Returns the relative path of the main extension file, if any.
+   *
+   * @return string|null
+   */
+  public function getExtensionPathname() {
+    if ($this->filename) {
+      return $this->getPath() . '/' . $this->filename;
+    }
+  }
+
+  /**
+   * Returns the name of the main extension file, if any.
+   *
+   * @return string|null
+   */
+  public function getExtensionFilename() {
+    return $this->filename;
+  }
+
+  /**
+   * Loads the main extension file, if any.
+   *
+   * @return bool
+   *   TRUE if this extension has a main extension file, FALSE otherwise.
+   */
+  public function load() {
+    if ($this->filename) {
+      include_once $this->root . '/' . $this->getPath() . '/' . $this->filename;
+      return TRUE;
+    }
+    return FALSE;
+  }
+
+  /**
+   * Re-routes method calls to SplFileInfo.
+   *
+   * Offers all SplFileInfo methods to consumers; e.g., $extension->getMTime().
+   */
+  public function __call($method, array $args) {
+    if (!isset($this->splFileInfo)) {
+      $this->splFileInfo = new \SplFileInfo($this->pathname);
+    }
+    return call_user_func_array([$this->splFileInfo, $method], $args);
+  }
+
+  /**
+   * Implements Serializable::serialize().
+   *
+   * Serializes the Extension object in the most optimized way.
+   */
+  public function serialize() {
+    // Don't serialize the app root, since this could change if the install is
+    // moved.
+    $data = [
+      'type' => $this->type,
+      'pathname' => $this->pathname,
+      'filename' => $this->filename,
+    ];
+
+    // @todo ThemeHandler::listInfo(), ThemeHandler::rebuildThemeData(), and
+    //   system_list() are adding custom properties to the Extension object.
+    $info = new \ReflectionObject($this);
+    foreach ($info->getProperties(\ReflectionProperty::IS_PUBLIC) as $property) {
+      $data[$property->getName()] = $property->getValue($this);
+    }
+
+    return serialize($data);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function unserialize($data) {
+    $data = unserialize($data);
+    // Get the app root from the container.
+    $this->root = DRUPAL_ROOT;
+    $this->type = $data['type'];
+    $this->pathname = $data['pathname'];
+    $this->filename = $data['filename'];
+
+    // @todo ThemeHandler::listInfo(), ThemeHandler::rebuildThemeData(), and
+    //   system_list() are adding custom properties to the Extension object.
+    foreach ($data as $property => $value) {
+      if (!isset($this->$property)) {
+        $this->$property = $value;
+      }
+    }
+  }
+
+}