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<?php
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <brian@nesbot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon\PHPStan;
use Carbon\CarbonInterface;
use PHPStan\Reflection\ReflectionProvider;
use ReflectionClass;
use ReflectionException;
final class MacroScanner
{
/**
* @var \PHPStan\Reflection\ReflectionProvider
*/
private $reflectionProvider;
/**
* MacroScanner constructor.
*
* @param \PHPStan\Reflection\ReflectionProvider $reflectionProvider
*/
public function __construct(ReflectionProvider $reflectionProvider)
{
$this->reflectionProvider = $reflectionProvider;
}
/**
* Return true if the given pair class-method is a Carbon macro.
*
* @param string $className
* @phpstan-param class-string $className
*
* @param string $methodName
*
* @return bool
*/
public function hasMethod(string $className, string $methodName): bool
{
$classReflection = $this->reflectionProvider->getClass($className);
if (
$classReflection->getName() !== CarbonInterface::class &&
!$classReflection->isSubclassOf(CarbonInterface::class)
) {
return false;
}
return \is_callable([$className, 'hasMacro']) &&
$className::hasMacro($methodName);
}
/**
* Return the Macro for a given pair class-method.
*
* @param string $className
* @phpstan-param class-string $className
*
* @param string $methodName
*
* @throws ReflectionException
*
* @return Macro
*/
public function getMethod(string $className, string $methodName): Macro
{
$reflectionClass = new ReflectionClass($className);
$property = $reflectionClass->getProperty('globalMacros');
$property->setAccessible(true);
$macro = $property->getValue()[$methodName];
return new Macro(
$className,
$methodName,
$macro
);
}
}
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