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<?php
namespace Codeception\Util;
use InvalidArgumentException;
use ReflectionClass;
use ReflectionException;
use function get_class;
use function get_parent_class;
use function gettype;
use function is_object;
class ReflectionPropertyAccessor
{
/**
* @param object $obj
* @param string $field
* @return mixed
* @throws ReflectionException
*/
public function getProperty($obj, $field)
{
if (!$obj || !is_object($obj)) {
throw new InvalidArgumentException('Cannot get property "' . $field . '" of "' . gettype($obj) . '", expecting object');
}
$class = get_class($obj);
do {
$reflectedEntity = new ReflectionClass($class);
if ($reflectedEntity->hasProperty($field)) {
$property = $reflectedEntity->getProperty($field);
$property->setAccessible(true);
return $property->getValue($obj);
}
$class = get_parent_class($class);
} while ($class);
throw new InvalidArgumentException('Property "' . $field . '" does not exists in class "' . get_class($obj) . '" and its parents');
}
/**
* @param object|null $obj
* @param string $class
* @param array $data
* @return object|null
* @throws ReflectionException
*/
private function setPropertiesForClass($obj, $class, array $data)
{
$reflectedEntity = new ReflectionClass($class);
if (!$obj) {
$constructorParameters = [];
$constructor = $reflectedEntity->getConstructor();
if (null !== $constructor) {
foreach ($constructor->getParameters() as $parameter) {
if ($parameter->isOptional()) {
$constructorParameters[] = $parameter->getDefaultValue();
} elseif (array_key_exists($parameter->getName(), $data)) {
$constructorParameters[] = $data[$parameter->getName()];
} else {
throw new InvalidArgumentException(
'Constructor parameter "'.$parameter->getName().'" missing'
);
}
}
}
$obj = $reflectedEntity->newInstance(...$constructorParameters);
}
foreach ($reflectedEntity->getProperties() as $property) {
if (isset($data[$property->name])) {
$property->setAccessible(true);
$property->setValue($obj, $data[$property->name]);
}
}
return $obj;
}
/**
* @param object|null $obj
* @param array $data
* @throws ReflectionException
*/
public function setProperties($obj, array $data)
{
if (!$obj || !is_object($obj)) {
throw new InvalidArgumentException('Cannot set properties for "' . gettype($obj) . '", expecting object');
}
$class = get_class($obj);
do {
$obj = $this->setPropertiesForClass($obj, $class, $data);
$class = get_parent_class($class);
} while ($class);
}
/**
* @param string $class
* @param array $data
* @return object
* @throws ReflectionException
*/
public function createWithProperties($class, array $data)
{
$obj = null;
do {
$obj = $this->setPropertiesForClass($obj, $class, $data);
$class = get_parent_class($class);
} while ($class);
return $obj;
}
}