* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form; /** * Interface for extensions which provide types, type extensions and a guesser. */ interface FormExtensionInterface { /** * Returns a type by name. * * @param string $name The name of the type * * @return FormTypeInterface The type * * @throws Exception\InvalidArgumentException if the given type is not supported by this extension */ public function getType($name); /** * Returns whether the given type is supported. * * @param string $name The name of the type * * @return Boolean Whether the type is supported by this extension */ public function hasType($name); /** * Returns the extensions for the given type. * * @param string $name The name of the type * * @return FormTypeExtensionInterface[] An array of extensions as FormTypeExtensionInterface instances */ public function getTypeExtensions($name); /** * Returns whether this extension provides type extensions for the given type. * * @param string $name The name of the type * * @return Boolean Whether the given type has extensions */ public function hasTypeExtensions($name); /** * Returns the type guesser provided by this extension. * * @return FormTypeGuesserInterface|null The type guesser */ public function getTypeGuesser(); }