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