Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

196 lines (165 sloc) 4.789 kb
<?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\FormException;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
abstract class AbstractExtension implements FormExtensionInterface
{
/**
* The types provided by this extension
* @var array An array of FormTypeInterface
*/
private $types;
/**
* The type extensions provided by this extension
* @var array An array of FormTypeExtensionInterface
*/
private $typeExtensions;
/**
* The type guesser provided by this extension
* @var FormTypeGuesserInterface
*/
private $typeGuesser;
/**
* Whether the type guesser has been loaded
* @var Boolean
*/
private $typeGuesserLoaded = false;
/**
* {@inheritdoc}
*/
public function getType($name)
{
if (null === $this->types) {
$this->initTypes();
}
if (!isset($this->types[$name])) {
throw new FormException(sprintf('The type "%s" can not be loaded by this extension', $name));
}
return $this->types[$name];
}
/**
* {@inheritdoc}
*/
public function hasType($name)
{
if (null === $this->types) {
$this->initTypes();
}
return isset($this->types[$name]);
}
/**
* {@inheritdoc}
*/
public function getTypeExtensions($name)
{
if (null === $this->typeExtensions) {
$this->initTypeExtensions();
}
return isset($this->typeExtensions[$name])
? $this->typeExtensions[$name]
: array();
}
/**
* {@inheritdoc}
*/
public function hasTypeExtensions($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 array An array of FormTypeInterface instances
*/
protected function loadTypes()
{
return array();
}
/**
* Registers the type extensions.
*
* @return array An array of FormTypeExtensionInterface instances
*/
protected function loadTypeExtensions()
{
return array();
}
/**
* Registers the type guesser.
*
* @return FormTypeGuesserInterface|null A type guesser
*/
protected function loadTypeGuesser()
{
return null;
}
/**
* Initializes the types.
*
* @throws UnexpectedTypeException if any registered type is not an instance of FormTypeInterface
*/
private function initTypes()
{
$this->types = array();
foreach ($this->loadTypes() as $type) {
if (!$type instanceof FormTypeInterface) {
throw new UnexpectedTypeException($type, 'Symfony\Component\Form\FormTypeInterface');
}
$this->types[$type->getName()] = $type;
}
}
/**
* Initializes the type extensions.
*
* @throws UnexpectedTypeException if any registered type extension is not
* an instance of FormTypeExtensionInterface
*/
private function initTypeExtensions()
{
$this->typeExtensions = array();
foreach ($this->loadTypeExtensions() as $extension) {
if (!$extension instanceof FormTypeExtensionInterface) {
throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormTypeExtensionInterface');
}
$type = $extension->getExtendedType();
$this->typeExtensions[$type][] = $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');
}
}
}
Jump to Line
Something went wrong with that request. Please try again.