/** Return an instance of Router
* @return Router
*/
public static function getInstance()
{
if (!isset(self::$instance)) {
$config = FajrConfigLoader::getConfiguration();
$cachePath = $config->getDirectory(FajrConfigOptions::PATH_TO_ROUTER_CACHE);
$controllerPath = FajrUtils::joinPath(FajrUtils::getProjectRootDirectory(), '/src/controller');
$locator = new FileLocator(array($controllerPath));
$request = SymfonyRequest::createFromGlobals();
$requestContext = new RequestContext();
$requestContext->fromRequest($request);
$sfRouter = new SymfonyRouter(new YamlFileLoader($locator), "routes.yml", array('cache_dir' => $config->get(FajrConfigOptions::USE_CACHE) ? $cachePath : null), $requestContext);
self::$instance = new Router($sfRouter, $request);
}
return self::$instance;
}
/**
* @returns string absolute path to configuration file
*/
public static function getConfigurationFileName()
{
return FajrUtils::joinPath(FajrUtils::getProjectRootDirectory(), '/config/configuration.php');
}
/**
* Get a directory configuration path.
*
* If a relative path is given in configuration, it is resolved
* relative to the specified directory or project root directory
* if no directory was specified
*
* @param string $key
* @returns string absolute path for the directory specified in configuration
* or null if this option was not specified and does not have
* a default value
* @see FajrConfig::getParameterDescription()
* @see configuration.example.php
*/
public function getDirectory($key)
{
$dir = $this->get($key);
if ($dir === null) {
return null;
}
if (FajrUtils::isAbsolutePath($dir)) {
return $dir;
}
// default resolve relative
$relativeTo = FajrUtils::getProjectRootDirectory();
$parameters = $this->getParameterDescription();
assert(array_key_exists($key, $parameters));
$param = $parameters[$key];
if (array_key_exists('relativeTo', $param)) {
$relativeTo = $this->getDirectory($param['relativeTo']);
}
return FajrUtils::joinPath($relativeTo, $dir);
}
