plug_config.install

<?php

/**
 * @file
 * Install hooks implementation.
 */

use Drupal\plug_config\Plugin\PlugConfigManager;

/**
 * Implements hook_schema().
 */
function plug_config_schema() {
  if (!module_exists('plug_config')) {
    return NULL;
  }
  // Get the definitions even for disabled modules.
  $definitions = PlugConfigManager::create('cache', TRUE)->getDefinitions();
  $schema = array();
  foreach ($definitions as $definition) {
    if (!class_exists($definition['class'])) {
      // The class is in a disabled module and xautoload will not find it on its
      // own. Load the class.
      plug_config_load_class($definition['class'], $definition['module']);
    }
    $schema[$definition['id']] = call_user_func(array($definition['class'], 'schema'));
  }
  return $schema;
}

/**
 * Loads a PSR-4 class file.
 *
 * @param string $class
 *   The namespaced class name.
 * @param string $module
 *   The name of the module containing the class.
 * @param string $extension
 *   The extesion of the file to load.
 */
function plug_config_load_class($class, $module, $extension = 'php') {
  $parts = explode('\\', $class);
  while (count($parts)) {
    $part = array_shift($parts);
    if ($part == $module) {
      break;
    }
  }
  if (empty($parts)) {
    return;
  }
  $path = DRUPAL_ROOT . '/' . drupal_get_path('module', $module) . '/src/' . implode('/', $parts) . '.' . $extension;
  if (file_exists($path)) {
    require_once $path;
  }
}