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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\HttpKernel\Fragment;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\UriSigner;
use Twig\Environment;
/**
* Implements the Hinclude rendering strategy.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class HIncludeFragmentRenderer extends RoutableFragmentRenderer
{
private ?string $globalDefaultTemplate;
private ?UriSigner $signer;
private ?Environment $twig;
private string $charset;
/**
* @param string $globalDefaultTemplate The global default content (it can be a template name or the content)
*/
public function __construct(Environment $twig = null, UriSigner $signer = null, string $globalDefaultTemplate = null, string $charset = 'utf-8')
{
$this->twig = $twig;
$this->globalDefaultTemplate = $globalDefaultTemplate;
$this->signer = $signer;
$this->charset = $charset;
}
/**
* Checks if a templating engine has been set.
*/
public function hasTemplating(): bool
{
return null !== $this->twig;
}
/**
* Additional available options:
*
* * default: The default content (it can be a template name or the content)
* * id: An optional hx:include tag id attribute
* * attributes: An optional array of hx:include tag attributes
*/
public function render(string|ControllerReference $uri, Request $request, array $options = []): Response
{
if ($uri instanceof ControllerReference) {
$uri = (new FragmentUriGenerator($this->fragmentPath, $this->signer))->generate($uri, $request);
}
// We need to replace ampersands in the URI with the encoded form in order to return valid html/xml content.
$uri = str_replace('&', '&', $uri);
$template = $options['default'] ?? $this->globalDefaultTemplate;
if (null !== $this->twig && $template && $this->twig->getLoader()->exists($template)) {
$content = $this->twig->render($template);
} else {
$content = $template;
}
$attributes = isset($options['attributes']) && \is_array($options['attributes']) ? $options['attributes'] : [];
if (isset($options['id']) && $options['id']) {
$attributes['id'] = $options['id'];
}
$renderedAttributes = '';
if (\count($attributes) > 0) {
$flags = \ENT_QUOTES | \ENT_SUBSTITUTE;
foreach ($attributes as $attribute => $value) {
$renderedAttributes .= sprintf(
' %s="%s"',
htmlspecialchars($attribute, $flags, $this->charset, false),
htmlspecialchars($value, $flags, $this->charset, false)
);
}
}
return new Response(sprintf('<hx:include src="%s"%s>%s</hx:include>', $uri, $renderedAttributes, $content));
}
public function getName(): string
{
return 'hinclude';
}
}
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