Viewing file:  MappingRule.php (2.69 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Validator\ViolationMapper;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\Exception\ErrorMappingException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class MappingRule
{
/**
* @var FormInterface
*/
private $origin;
/**
* @var string
*/
private $propertyPath;
/**
* @var string
*/
private $targetPath;
public function __construct(FormInterface $origin, $propertyPath, $targetPath)
{
$this->origin = $origin;
$this->propertyPath = $propertyPath;
$this->targetPath = $targetPath;
}
/**
* @return FormInterface
*/
public function getOrigin()
{
return $this->origin;
}
/**
* Matches a property path against the rule path.
*
* If the rule matches, the form mapped by the rule is returned.
* Otherwise this method returns false.
*
* @param string $propertyPath The property path to match against the rule.
*
* @return null|FormInterface The mapped form or null.
*/
public function match($propertyPath)
{
if ($propertyPath === (string) $this->propertyPath) {
return $this->getTarget();
}
return null;
}
/**
* Matches a property path against a prefix of the rule path.
*
* @param string $propertyPath The property path to match against the rule.
*
* @return Boolean Whether the property path is a prefix of the rule or not.
*/
public function isPrefix($propertyPath)
{
$length = strlen($propertyPath);
$prefix = substr($this->propertyPath, 0, $length);
$next = isset($this->propertyPath[$length]) ? $this->propertyPath[$length] : null;
return $prefix === $propertyPath && ('[' === $next || '.' === $next);
}
/**
* @return FormInterface
*
* @throws ErrorMappingException
*/
public function getTarget()
{
$childNames = explode('.', $this->targetPath);
$target = $this->origin;
foreach ($childNames as $childName) {
if (!$target->has($childName)) {
throw new ErrorMappingException(sprintf('The child "%s" of "%s" mapped by the rule "%s" in "%s" does not exist.', $childName, $target->getName(), $this->targetPath, $this->origin->getName()));
}
$target = $target->get($childName);
}
return $target;
}
}
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