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<?php
namespace Doctrine\Common\Annotations\Annotation;
use InvalidArgumentException;
use function array_keys;
use function get_class;
use function gettype;
use function implode;
use function is_array;
use function is_object;
use function is_string;
use function sprintf;
/**
* Annotation that can be used to signal to the parser
* to check the annotation target during the parsing process.
*
* @Annotation
*/
final class Target
{
public const TARGET_CLASS = 1;
public const TARGET_METHOD = 2;
public const TARGET_PROPERTY = 4;
public const TARGET_ANNOTATION = 8;
public const TARGET_FUNCTION = 16;
public const TARGET_ALL = 31;
/** @var array<string, int> */
private static $map = [
'ALL' => self::TARGET_ALL,
'CLASS' => self::TARGET_CLASS,
'METHOD' => self::TARGET_METHOD,
'PROPERTY' => self::TARGET_PROPERTY,
'FUNCTION' => self::TARGET_FUNCTION,
'ANNOTATION' => self::TARGET_ANNOTATION,
];
/** @phpstan-var list<string> */
public $value;
/**
* Targets as bitmask.
*
* @var int
*/
public $targets;
/**
* Literal target declaration.
*
* @var string
*/
public $literal;
/**
* @throws InvalidArgumentException
*
* @phpstan-param array{value?: string|list<string>} $values
*/
public function __construct(array $values)
{
if (! isset($values['value'])) {
$values['value'] = null;
}
if (is_string($values['value'])) {
$values['value'] = [$values['value']];
}
if (! is_array($values['value'])) {
throw new InvalidArgumentException(
sprintf(
'@Target expects either a string value, or an array of strings, "%s" given.',
is_object($values['value']) ? get_class($values['value']) : gettype($values['value'])
)
);
}
$bitmask = 0;
foreach ($values['value'] as $literal) {
if (! isset(self::$map[$literal])) {
throw new InvalidArgumentException(
sprintf(
'Invalid Target "%s". Available targets: [%s]',
$literal,
implode(', ', array_keys(self::$map))
)
);
}
$bitmask |= self::$map[$literal];
}
$this->targets = $bitmask;
$this->value = $values['value'];
$this->literal = implode(', ', $this->value);
}
}
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