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