123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198 |
- <?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;
- use Symfony\Component\Form\Exception\InvalidArgumentException;
- use Symfony\Component\Form\Exception\UnexpectedTypeException;
- /**
- * @author Bernhard Schussek <bschussek@gmail.com>
- */
- abstract class AbstractExtension implements FormExtensionInterface
- {
- /**
- * The types provided by this extension.
- *
- * @var FormTypeInterface[] An array of FormTypeInterface
- */
- private $types;
- /**
- * The type extensions provided by this extension.
- *
- * @var FormTypeExtensionInterface[] An array of FormTypeExtensionInterface
- */
- private $typeExtensions;
- /**
- * The type guesser provided by this extension.
- *
- * @var FormTypeGuesserInterface|null
- */
- private $typeGuesser;
- /**
- * Whether the type guesser has been loaded.
- *
- * @var bool
- */
- private $typeGuesserLoaded = false;
- /**
- * {@inheritdoc}
- */
- public function getType(string $name)
- {
- if (null === $this->types) {
- $this->initTypes();
- }
- if (!isset($this->types[$name])) {
- throw new InvalidArgumentException(sprintf('The type "%s" can not be loaded by this extension.', $name));
- }
- return $this->types[$name];
- }
- /**
- * {@inheritdoc}
- */
- public function hasType(string $name)
- {
- if (null === $this->types) {
- $this->initTypes();
- }
- return isset($this->types[$name]);
- }
- /**
- * {@inheritdoc}
- */
- public function getTypeExtensions(string $name)
- {
- if (null === $this->typeExtensions) {
- $this->initTypeExtensions();
- }
- return $this->typeExtensions[$name]
- ?? [];
- }
- /**
- * {@inheritdoc}
- */
- public function hasTypeExtensions(string $name)
- {
- if (null === $this->typeExtensions) {
- $this->initTypeExtensions();
- }
- return isset($this->typeExtensions[$name]) && \count($this->typeExtensions[$name]) > 0;
- }
- /**
- * {@inheritdoc}
- */
- public function getTypeGuesser()
- {
- if (!$this->typeGuesserLoaded) {
- $this->initTypeGuesser();
- }
- return $this->typeGuesser;
- }
- /**
- * Registers the types.
- *
- * @return FormTypeInterface[] An array of FormTypeInterface instances
- */
- protected function loadTypes()
- {
- return [];
- }
- /**
- * Registers the type extensions.
- *
- * @return FormTypeExtensionInterface[] An array of FormTypeExtensionInterface instances
- */
- protected function loadTypeExtensions()
- {
- return [];
- }
- /**
- * Registers the type guesser.
- *
- * @return FormTypeGuesserInterface|null
- */
- protected function loadTypeGuesser()
- {
- return null;
- }
- /**
- * Initializes the types.
- *
- * @throws UnexpectedTypeException if any registered type is not an instance of FormTypeInterface
- */
- private function initTypes()
- {
- $this->types = [];
- foreach ($this->loadTypes() as $type) {
- if (!$type instanceof FormTypeInterface) {
- throw new UnexpectedTypeException($type, 'Symfony\Component\Form\FormTypeInterface');
- }
- $this->types[\get_class($type)] = $type;
- }
- }
- /**
- * Initializes the type extensions.
- *
- * @throws UnexpectedTypeException if any registered type extension is not
- * an instance of FormTypeExtensionInterface
- */
- private function initTypeExtensions()
- {
- $this->typeExtensions = [];
- foreach ($this->loadTypeExtensions() as $extension) {
- if (!$extension instanceof FormTypeExtensionInterface) {
- throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormTypeExtensionInterface');
- }
- foreach ($extension::getExtendedTypes() as $extendedType) {
- $this->typeExtensions[$extendedType][] = $extension;
- }
- }
- }
- /**
- * Initializes the type guesser.
- *
- * @throws UnexpectedTypeException if the type guesser is not an instance of FormTypeGuesserInterface
- */
- private function initTypeGuesser()
- {
- $this->typeGuesserLoaded = true;
- $this->typeGuesser = $this->loadTypeGuesser();
- if (null !== $this->typeGuesser && !$this->typeGuesser instanceof FormTypeGuesserInterface) {
- throw new UnexpectedTypeException($this->typeGuesser, 'Symfony\Component\Form\FormTypeGuesserInterface');
- }
- }
- }
|