/usr/share/php/ApiGen/Charset/Configuration/CharsetOptionsResolver.php is in php-apigen 4.1.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* This file is part of the ApiGen (http://apigen.org)
*
* For the full copyright and license information, please view
* the file license.md that was distributed with this source code.
*/
namespace ApiGen\Charset\Configuration;
use ApiGen\Charset\Encoding;
use ApiGen\Configuration\OptionsResolverFactory;
use Nette;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class CharsetOptionsResolver extends Nette\Object
{
const CHARSETS = 'charsets';
/**
* @var OptionsResolverFactory
*/
private $optionsResolverFactory;
/**
* @var OptionsResolver
*/
private $resolver;
public function __construct(OptionsResolverFactory $optionsResolverFactory)
{
$this->optionsResolverFactory = $optionsResolverFactory;
}
/**
* @return string[]
*/
public function getDefaults()
{
return [self::CHARSETS => [Encoding::UTF_8]];
}
/**
* @param string[] $options
* @return string[]
*/
public function resolve(array $options = [])
{
$this->resolver = $this->optionsResolverFactory->create();
$this->setDefaults();
$this->setNormalizers();
$options = $this->normalizeInput($options);
$options = $this->resolver->resolve($options);
return $this->normalizeOutput($options);
}
private function setDefaults()
{
$this->resolver->setDefaults($this->getDefaults());
}
private function setNormalizers()
{
$this->resolver->setNormalizers([
self::CHARSETS => function (Options $options, $value) {
$value = array_map('strtoupper', $value);
$value = $this->replaceWin1250WithIso($value);
$value = $this->filterSupportedCharsets($value);
$value = $this->moveUtfFirst($value);
return $value;
}
]);
}
/**
* @return array
*/
private function replaceWin1250WithIso(array $charsets)
{
if (($key = array_search(Encoding::WIN_1250, $charsets)) !== FALSE) {
$charsets[$key] = Encoding::ISO_8859_1;
}
return $charsets;
}
/**
* @return array
*/
private function filterSupportedCharsets(array $charsets)
{
$supportedEncodingList = array_map('strtoupper', mb_list_encodings());
return array_intersect($charsets, $supportedEncodingList);
}
/**
* @return array
*/
private function moveUtfFirst(array $charsets)
{
if (($key = array_search(Encoding::UTF_8, $charsets)) !== FALSE) {
unset($charsets[$key]);
}
array_unshift($charsets, Encoding::UTF_8);
return $charsets;
}
/**
* @return array
*/
private function normalizeInput(array $options)
{
if (isset($options[self::CHARSETS])) {
return $options;
}
return [self::CHARSETS => $options];
}
/**
* @return string[]
*/
private function normalizeOutput(array $options)
{
return $options[self::CHARSETS];
}
}
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