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<?php
declare (strict_types=1);
namespace Rector\Core\Util\Reflection;
use Rector\Core\Exception\Reflection\InvalidPrivatePropertyTypeException;
use Rector\Core\Exception\Reflection\MissingPrivatePropertyException;
use ReflectionClass;
use ReflectionMethod;
use ReflectionProperty;
/**
* @see \Rector\Core\Tests\Util\Reflection\PrivatesAccessorTest
*/
final class PrivatesAccessor
{
/**
* @param object|class-string $object
* @param mixed[] $arguments
* @api
* @return mixed
*/
public function callPrivateMethod($object, string $methodName, array $arguments)
{
if (\is_string($object)) {
$reflectionClass = new ReflectionClass($object);
$object = $reflectionClass->newInstanceWithoutConstructor();
}
$methodReflection = $this->createAccessibleMethodReflection($object, $methodName);
return $methodReflection->invokeArgs($object, $arguments);
}
/**
* @param object|class-string $object
* @param mixed $argument
* @return mixed
*/
public function callPrivateMethodWithReference($object, string $methodName, $argument)
{
if (\is_string($object)) {
$reflectionClass = new ReflectionClass($object);
$object = $reflectionClass->newInstanceWithoutConstructor();
}
$methodReflection = $this->createAccessibleMethodReflection($object, $methodName);
$methodReflection->invokeArgs($object, [&$argument]);
return $argument;
}
/**
* @template T of object
*
* @param class-string<T> $valueClassName
* @return T
*/
public function getPrivatePropertyOfClass(object $object, string $propertyName, string $valueClassName) : object
{
$value = $this->getPrivateProperty($object, $propertyName);
if ($value instanceof $valueClassName) {
return $value;
}
$errorMessage = \sprintf('The type "%s" is required, but "%s" type given', $valueClassName, \get_class($value));
throw new InvalidPrivatePropertyTypeException($errorMessage);
}
/**
* @return mixed
*/
public function getPrivateProperty(object $object, string $propertyName)
{
$propertyReflection = $this->resolvePropertyReflection($object, $propertyName);
$propertyReflection->setAccessible(\true);
return $propertyReflection->getValue($object);
}
/**
* @template T of object
*
* @param class-string<T> $valueClassName
* @param mixed $value
*/
public function setPrivatePropertyOfClass(object $object, string $propertyName, $value, string $valueClassName) : void
{
if ($value instanceof $valueClassName) {
$this->setPrivateProperty($object, $propertyName, $value);
return;
}
$errorMessage = \sprintf('The type "%s" is required, but "%s" type given', $valueClassName, \get_class($value));
throw new InvalidPrivatePropertyTypeException($errorMessage);
}
/**
* @param mixed $value
*/
public function setPrivateProperty(object $object, string $propertyName, $value) : void
{
$propertyReflection = $this->resolvePropertyReflection($object, $propertyName);
$propertyReflection->setAccessible(\true);
$propertyReflection->setValue($object, $value);
}
private function createAccessibleMethodReflection(object $object, string $methodName) : ReflectionMethod
{
$reflectionMethod = new ReflectionMethod(\get_class($object), $methodName);
$reflectionMethod->setAccessible(\true);
return $reflectionMethod;
}
private function resolvePropertyReflection(object $object, string $propertyName) : ReflectionProperty
{
if (\property_exists($object, $propertyName)) {
return new ReflectionProperty($object, $propertyName);
}
$parentClass = \get_parent_class($object);
if ($parentClass !== \false) {
return new ReflectionProperty($parentClass, $propertyName);
}
$errorMessage = \sprintf('Property "$%s" was not found in "%s" class', $propertyName, \get_class($object));
throw new MissingPrivatePropertyException($errorMessage);
}
}
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