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<?php
declare(strict_types=1);
/**
* This file is part of phpDocumentor.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @link http://phpdoc.org
*/
namespace phpDocumentor\Reflection\DocBlock\Tags;
use InvalidArgumentException;
use phpDocumentor\Reflection\DocBlock\Description;
use phpDocumentor\Reflection\DocBlock\DescriptionFactory;
use phpDocumentor\Reflection\DocBlock\StandardTagFactory;
use phpDocumentor\Reflection\Types\Context as TypeContext;
use Webmozart\Assert\Assert;
use function preg_match;
/**
* Parses a tag definition for a DocBlock.
*/
final class Generic extends BaseTag implements Factory\StaticMethod
{
/**
* Parses a tag and populates the member variables.
*
* @param string $name Name of the tag.
* @param Description $description The contents of the given tag.
*/
public function __construct(string $name, ?Description $description = null)
{
$this->validateTagName($name);
$this->name = $name;
$this->description = $description;
}
/**
* Creates a new tag that represents any unknown tag type.
*
* @return static
*/
public static function create(
string $body,
string $name = '',
?DescriptionFactory $descriptionFactory = null,
?TypeContext $context = null
): self {
Assert::stringNotEmpty($name);
Assert::notNull($descriptionFactory);
$description = $body !== '' ? $descriptionFactory->create($body, $context) : null;
return new static($name, $description);
}
/**
* Returns the tag as a serialized string
*/
public function __toString(): string
{
if ($this->description) {
$description = $this->description->render();
} else {
$description = '';
}
return $description;
}
/**
* Validates if the tag name matches the expected format, otherwise throws an exception.
*/
private function validateTagName(string $name): void
{
if (!preg_match('/^' . StandardTagFactory::REGEX_TAGNAME . '$/u', $name)) {
throw new InvalidArgumentException(
'The tag name "' . $name . '" is not wellformed. Tags may only consist of letters, underscores, '
. 'hyphens and backslashes.'
);
}
}
}
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