diff core/modules/config/src/StorageReplaceDataWrapper.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/config/src/StorageReplaceDataWrapper.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,203 @@
+<?php
+
+namespace Drupal\config;
+
+use Drupal\Core\Config\StorageInterface;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+
+/**
+ * Wraps a configuration storage to allow replacing specific configuration data.
+ */
+class StorageReplaceDataWrapper implements StorageInterface {
+  use DependencySerializationTrait;
+
+  /**
+   * The configuration storage to be wrapped.
+   *
+   * @var \Drupal\Core\Config\StorageInterface
+   */
+  protected $storage;
+
+  /**
+   * The configuration replacement data, keyed by configuration object name.
+   *
+   * @var array
+   */
+  protected $replacementData = [];
+
+  /**
+   * The storage collection.
+   *
+   * @var string
+   */
+  protected $collection;
+
+  /**
+   * Constructs a new StorageReplaceDataWrapper.
+   *
+   * @param \Drupal\Core\Config\StorageInterface $storage
+   *   A configuration storage to be used to read and write configuration.
+   * @param string $collection
+   *   (optional) The collection to store configuration in. Defaults to the
+   *   default collection.
+   */
+  public function __construct(StorageInterface $storage, $collection = StorageInterface::DEFAULT_COLLECTION) {
+    $this->storage = $storage;
+    $this->collection = $collection;
+    $this->replacementData[$collection] = [];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function exists($name) {
+    return isset($this->replacementData[$this->collection][$name]) || $this->storage->exists($name);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function read($name) {
+    if (isset($this->replacementData[$this->collection][$name])) {
+      return $this->replacementData[$this->collection][$name];
+    }
+    return $this->storage->read($name);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function readMultiple(array $names) {
+    $data = $this->storage->readMultiple(($names));
+    foreach ($names as $name) {
+      if (isset($this->replacementData[$this->collection][$name])) {
+        $data[$name] = $this->replacementData[$this->collection][$name];
+      }
+    }
+    return $data;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function write($name, array $data) {
+    if (isset($this->replacementData[$this->collection][$name])) {
+      unset($this->replacementData[$this->collection][$name]);
+    }
+    return $this->storage->write($name, $data);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function delete($name) {
+    if (isset($this->replacementData[$this->collection][$name])) {
+      unset($this->replacementData[$this->collection][$name]);
+    }
+    return $this->storage->delete($name);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function rename($name, $new_name) {
+    if (isset($this->replacementData[$this->collection][$name])) {
+      $this->replacementData[$this->collection][$new_name] = $this->replacementData[$this->collection][$name];
+      unset($this->replacementData[$this->collection][$name]);
+    }
+    return $this->storage->rename($name, $new_name);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function encode($data) {
+    return $this->storage->encode($data);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function decode($raw) {
+    return $this->storage->decode($raw);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function listAll($prefix = '') {
+    $names = $this->storage->listAll($prefix);
+    $additional_names = [];
+    if ($prefix === '') {
+      $additional_names = array_keys($this->replacementData[$this->collection]);
+    }
+    else {
+      foreach (array_keys($this->replacementData[$this->collection]) as $name) {
+        if (strpos($name, $prefix) === 0) {
+          $additional_names[] = $name;
+        }
+      }
+    }
+    if (!empty($additional_names)) {
+      $names = array_unique(array_merge($names, $additional_names));
+    }
+    return $names;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function deleteAll($prefix = '') {
+    if ($prefix === '') {
+      $this->replacementData[$this->collection] = [];
+    }
+    else {
+      foreach (array_keys($this->replacementData[$this->collection]) as $name) {
+        if (strpos($name, $prefix) === 0) {
+          unset($this->replacementData[$this->collection][$name]);
+        }
+      }
+    }
+    return $this->storage->deleteAll($prefix);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function createCollection($collection) {
+    return new static(
+      $this->storage->createCollection($collection),
+      $collection
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getAllCollectionNames() {
+    return $this->storage->getAllCollectionNames();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCollectionName() {
+    return $this->collection;
+  }
+
+  /**
+   * Replaces the configuration object data with the supplied data.
+   *
+   * @param $name
+   *   The configuration object name whose data to replace.
+   * @param array $data
+   *   The configuration data.
+   *
+   * @return $this
+   */
+  public function replaceData($name, array $data) {
+    $this->replacementData[$this->collection][$name] = $data;
+    return $this;
+  }
+
+}