Viewing file:  HtmlRenderer.php (2.78 KB) -rwxrwxr-x
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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Renderer;
use League\CommonMark\Environment\EnvironmentInterface;
use League\CommonMark\Event\DocumentPreRenderEvent;
use League\CommonMark\Event\DocumentRenderedEvent;
use League\CommonMark\Node\Block\AbstractBlock;
use League\CommonMark\Node\Block\Document;
use League\CommonMark\Node\Node;
use League\CommonMark\Output\RenderedContent;
use League\CommonMark\Output\RenderedContentInterface;
final class HtmlRenderer implements MarkdownRendererInterface, ChildNodeRendererInterface
{
/** @psalm-readonly */
private EnvironmentInterface $environment;
public function __construct(EnvironmentInterface $environment)
{
$this->environment = $environment;
}
public function renderDocument(Document $document): RenderedContentInterface
{
$this->environment->dispatch(new DocumentPreRenderEvent($document, 'html'));
$output = new RenderedContent($document, (string) $this->renderNode($document));
$event = new DocumentRenderedEvent($output);
$this->environment->dispatch($event);
return $event->getOutput();
}
/**
* {@inheritDoc}
*/
public function renderNodes(iterable $nodes): string
{
$output = '';
$isFirstItem = true;
foreach ($nodes as $node) {
if (! $isFirstItem && $node instanceof AbstractBlock) {
$output .= $this->getBlockSeparator();
}
$output .= $this->renderNode($node);
$isFirstItem = false;
}
return $output;
}
/**
* @return \Stringable|string
*
* @throws \RuntimeException
*/
private function renderNode(Node $node)
{
$renderers = $this->environment->getRenderersForClass(\get_class($node));
foreach ($renderers as $renderer) {
\assert($renderer instanceof NodeRendererInterface);
if (($result = $renderer->render($node, $this)) !== null) {
return $result;
}
}
throw new \RuntimeException('Unable to find corresponding renderer for node type ' . \get_class($node));
}
public function getBlockSeparator(): string
{
return $this->environment->getConfiguration()->get('renderer/block_separator');
}
public function getInnerSeparator(): string
{
return $this->environment->getConfiguration()->get('renderer/inner_separator');
}
}
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