/**
* Returns an instance of template engine driver.
* If the requested driver is already created, the same instance is returned.
*
* @param string $driver Name of the template engine driver. Must correspond to components.template_engine.engines.{$driver}.
*
* @return \Webiny\Component\TemplateEngine\Bridge\TemplateEngineInterface
* @throws TemplateEngineException
* @throws \Exception
*/
static function getInstance($driver)
{
if (isset(self::$instances[$driver])) {
return self::$instances[$driver];
}
$driverConfig = TemplateEngine::getConfig()->get('Engines.' . $driver, false);
if (!$driverConfig) {
throw new TemplateEngineException('Unable to read driver configuration: TemplateEngine.Engines.' . $driver);
}
try {
self::$instances[$driver] = TemplateEngineBridge::getInstance($driver, $driverConfig);
return self::$instances[$driver];
} catch (\Exception $e) {
throw $e;
}
}
/**
* @expectedException \Webiny\Component\TemplateEngine\Bridge\TemplateEngineException
*/
public function testGetInstanceException()
{
TemplateEngine::getInstance('Fake', new ConfigObject([]));
}
