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<?php |
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declare(strict_types=1); |
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/* |
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* This file was originally part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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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 UnicornFail\Emoji\Renderer; |
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use League\Configuration\ConfigurationAwareInterface; |
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use UnicornFail\Emoji\Environment\EnvironmentInterface; |
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use UnicornFail\Emoji\Event\DocumentRenderedEvent; |
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use UnicornFail\Emoji\Exception\RenderNodeException; |
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use UnicornFail\Emoji\Node\Document; |
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use UnicornFail\Emoji\Node\Node; |
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final class DocumentRenderer implements DocumentRendererInterface |
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{ |
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/** @var EnvironmentInterface */ |
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private $environment; |
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public function __construct(EnvironmentInterface $environment) |
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{ |
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$this->environment = $environment; |
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} |
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public function renderDocument(Document $document): string |
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{ |
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$output = ''; |
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foreach ($document->getNodes() as $node) { |
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$output .= $this->renderNode($node); |
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} |
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$event = new DocumentRenderedEvent($output); |
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$this->environment->dispatch($event); |
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return $event->getContent(); |
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} |
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/** |
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* @return \Stringable|string |
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* |
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* @throws RenderNodeException |
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*/ |
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private function renderNode(Node $node) |
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{ |
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$renderers = $this->environment->getRenderersForClass(\get_class($node)); |
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/** @var NodeRendererInterface $renderer */ |
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foreach ($renderers as $renderer) { |
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if ($renderer instanceof ConfigurationAwareInterface) { |
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$renderer->setConfiguration($this->environment->getConfiguration()); |
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} |
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if (($result = $renderer->render($node)) !== null) { |
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return $result; |
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} |
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} |
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throw new RenderNodeException(\sprintf('Unable to find corresponding renderer for node type %s', \get_class($node))); |
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} |
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} |
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