<?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;

/**

 * 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

     */

    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

     */

    function hasType($name);

    /**

     * Returns the extensions for the given type.

     *

     * @param string $name The name of the type

     *

     * @return array An array of extensions as FormTypeExtensionInterface instances

     */

    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

     */

    function hasTypeExtensions($name);

    /**

     * Returns the type guesser provided by this extension.

     *

     * @return FormTypeGuesserInterface|null The type guesser

     */

    function getTypeGuesser();

}