/**
* Find a configuration file and loads it.
* Default configuration file is named 'propel' and is expected to be found in the current directory
* or a subdirectory named '/conf' or '/config'. It can have one of the supported extensions (.ini, .properties,
* .json, .yaml, .yml, .xml, .php, .inc).
* Only one configuration file is supposed to be found.
* This method also looks for a '.dist' configuration file and loads it.
*
* @param string $fileName Configuration file name or directory in which resides the configuration file.
* @param array $extraConf Array of configuration properties, to be merged with those loaded from file.
*/
protected function load($fileName, $extraConf)
{
$currentDir = getcwd();
if (null === $fileName) {
$fileName = self::CONFIG_FILE_NAME;
}
if (is_dir($fileName)) {
$currentDir = $fileName;
$fileName = 'propel';
}
if (null === $extraConf) {
$extraConf = array();
}
if ('propel' === $fileName) {
$dirs[] = $currentDir;
if (is_dir($currentDir . '/conf')) {
$dirs[] = $currentDir . '/conf';
}
if (is_dir($currentDir . '/config')) {
$dirs[] = $currentDir . '/config';
}
$finder = new Finder();
$finder->in($dirs)->depth(0)->files()->name($fileName . '.{php,inc,ini,properties,yaml,yml,xml,json}');
$files = iterator_to_array($finder);
$distfinder = new Finder();
$distfinder->in($dirs)->depth(0)->files()->name($fileName . '.{php,inc,ini,properties,yaml,yml,xml,json}.dist');
$distfiles = iterator_to_array($distfinder);
$numFiles = count($files);
$numDistFiles = count($distfiles);
//allow to load only .dist file
if (0 === $numFiles && 1 === $numDistFiles) {
$files = $distfiles;
$numFiles = 1;
}
if ($numFiles > 1) {
throw new InvalidArgumentException('Propel expects only one configuration file');
} elseif ($numFiles === 0) {
$this->config = $extraConf;
return;
} else {
$file = current($files);
$fileName = $file->getPathName();
}
}
$delegatingLoader = new DelegatingLoader();
$conf = $delegatingLoader->load($fileName);
$distConf = array();
if (file_exists($fileName . '.dist')) {
$distDelegatingLoader = new DelegatingLoader();
$distConf = $distDelegatingLoader->load($fileName . '.dist');
}
$this->config = array_replace_recursive($distConf, $conf, $extraConf);
}
/**
* Return the configuration array, loaded from $fileName
*
* @param string $fileName The configuration file
*
* @return array|mixed
* @throws \Symfony\Component\Config\Exception\FileLoaderLoadException
*/
private function loadFile($fileName)
{
if (!file_exists($fileName)) {
return array();
}
$delegatingLoader = new DelegatingLoader();
return $delegatingLoader->load($fileName);
}