protected function xautoload_Plugin_DrupalSimpletest::getExtensionPath in X Autoload 7.2

Helper function to get the path for an extension.

1 call to xautoload_Plugin_DrupalSimpletest::getExtensionPath()

xautoload_Plugin_DrupalSimpletest::findFile in lib/Plugin/DrupalSimpletest.php

Expect a class Drupal\(module)\Tests\SomeTest to be in (module dir)/lib/Drupal/(module)/Tests/SomeTest.php, but consider the PHP include_path setting.

File

lib/Plugin/DrupalSimpletest.php, line 41

Class

xautoload_Plugin_DrupalSimpletest

Code

protected function getExtensionPath($extension) {

  // Ok, this is a lot of nested if().
  // But trust me, that's the most performant way to cut it.
  // Do we already have this extension's path in cache?
  if (!isset($this->extensions[$extension])) {

    // .. Nope.
    // But we might have the path to the .module or .info file, and only need
    // to get the dirname() of that.
    if (!isset($this->extensionsRaw[$extension])) {

      // Ok we don't even have that. Are we even initialized?
      if (isset($this->extensionsRaw)) {

        // Yes, we are already initialized.
        // So apparently the extension doesn't exist.
        return;
      }
      else {

        // Initialize the extensionsRaw.
        // The filename can be e.g.
        //   (module path)/(module name).module,  OR
        //   (theme path)/(theme name).info
        $this->extensionsRaw = db_query("SELECT name, filename FROM {system}")
          ->fetchAllKeyed();

        // We could now continue to process all of those to get the dirname(),
        // but we prefer it the lazy way.
        // Now it could be that we suddenly have our extension.
        if (!isset($this->extensionsRaw[$extension])) {

          // Nope, still don't have it.
          return;
        }
      }
    }

    // Ok, now we know the extension is in $this->extensionsRaw, but not in
    // $this->extensions.
    $this->extensions[$extension] = dirname($this->extensionsRaw[$extension]) . '/lib/Drupal/';
  }

  // Now we know that we have the ../lib/Drupal/ path for this extension.
  return $this->extensions[$extension];
}