Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\DependencyInjection\Loader;
Chris@0: 
Chris@0: use Symfony\Component\Config\Resource\FileResource;
Chris@0: use Symfony\Component\Config\Util\XmlUtils;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: 
Chris@0: /**
Chris@0:  * IniFileLoader loads parameters from INI files.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: class IniFileLoader extends FileLoader
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function load($resource, $type = null)
Chris@0:     {
Chris@0:         $path = $this->locator->locate($resource);
Chris@0: 
Chris@0:         $this->container->addResource(new FileResource($path));
Chris@0: 
Chris@0:         // first pass to catch parsing errors
Chris@0:         $result = parse_ini_file($path, true);
Chris@0:         if (false === $result || array() === $result) {
Chris@0:             throw new InvalidArgumentException(sprintf('The "%s" file is not valid.', $resource));
Chris@0:         }
Chris@0: 
Chris@0:         // real raw parsing
Chris@0:         $result = parse_ini_file($path, true, INI_SCANNER_RAW);
Chris@0: 
Chris@0:         if (isset($result['parameters']) && is_array($result['parameters'])) {
Chris@0:             foreach ($result['parameters'] as $key => $value) {
Chris@0:                 $this->container->setParameter($key, $this->phpize($value));
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supports($resource, $type = null)
Chris@0:     {
Chris@0:         return is_string($resource) && 'ini' === pathinfo($resource, PATHINFO_EXTENSION);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Note that the following features are not supported:
Chris@0:      *  * strings with escaped quotes are not supported "foo\"bar";
Chris@0:      *  * string concatenation ("foo" "bar").
Chris@0:      */
Chris@0:     private function phpize($value)
Chris@0:     {
Chris@0:         // trim on the right as comments removal keep whitespaces
Chris@0:         $value = rtrim($value);
Chris@0:         $lowercaseValue = strtolower($value);
Chris@0: 
Chris@0:         switch (true) {
Chris@0:             case defined($value):
Chris@0:                 return constant($value);
Chris@0:             case 'yes' === $lowercaseValue || 'on' === $lowercaseValue:
Chris@0:                 return true;
Chris@0:             case 'no' === $lowercaseValue || 'off' === $lowercaseValue || 'none' === $lowercaseValue:
Chris@0:                 return false;
Chris@0:             case isset($value[1]) && (
Chris@0:                 ("'" === $value[0] && "'" === $value[strlen($value) - 1]) ||
Chris@0:                 ('"' === $value[0] && '"' === $value[strlen($value) - 1])
Chris@0:             ):
Chris@0:                 // quoted string
Chris@0:                 return substr($value, 1, -1);
Chris@0:             default:
Chris@0:                 return XmlUtils::phpize($value);
Chris@0:         }
Chris@0:     }
Chris@0: }