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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>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Xml;
use League\CommonMark\Node\Block\AbstractBlock;
use League\CommonMark\Node\Inline\AbstractInline;
use League\CommonMark\Node\Node;
/**
* @internal
*/
final class FallbackNodeXmlRenderer implements XmlNodeRendererInterface
{
/**
* @var array<string, string>
*
* @psalm-allow-private-mutation
*/
private array $classCache = [];
/**
* @psalm-allow-private-mutation
*/
public function getXmlTagName(Node $node): string
{
$className = \get_class($node);
if (isset($this->classCache[$className])) {
return $this->classCache[$className];
}
$type = $node instanceof AbstractBlock ? 'block' : 'inline';
$shortName = \strtolower((new \ReflectionClass($node))->getShortName());
return $this->classCache[$className] = \sprintf('custom_%s_%s', $type, $shortName);
}
/**
* {@inheritDoc}
*/
public function getXmlAttributes(Node $node): array
{
$attrs = [];
foreach ($node->data->export() as $k => $v) {
if (self::isValueUsable($v)) {
$attrs[$k] = $v;
}
}
$reflClass = new \ReflectionClass($node);
foreach ($reflClass->getProperties() as $property) {
if (\in_array($property->getDeclaringClass()->getName(), [Node::class, AbstractBlock::class, AbstractInline::class], true)) {
continue;
}
$property->setAccessible(true);
$value = $property->getValue($node);
if (self::isValueUsable($value)) {
$attrs[$property->getName()] = $value;
}
}
return $attrs;
}
/**
* @param mixed $var
*
* @psalm-pure
*/
private static function isValueUsable($var): bool
{
return \is_string($var) || \is_int($var) || \is_float($var) || \is_bool($var);
}
}
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