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Name	Size	Permission	Date
ChoiceList	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Command	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Console	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
DependencyInjection	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Event	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Exception	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Extension	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Guess	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Resources	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Test	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
Util	[ DIR ]	drwxrwxr-x	2022-07-20 13:00
AbstractExtension.php	4.59 KB	-rw-rw-r--	2022-07-20 13:00
AbstractRendererEngine.php	7 KB	-rw-rw-r--	2022-07-20 13:00
AbstractType.php	1.29 KB	-rw-rw-r--	2022-07-20 13:00
AbstractTypeExtension.php	974 B	-rw-rw-r--	2022-07-20 13:00
Button.php	8.55 KB	-rw-rw-r--	2022-07-20 13:00
ButtonBuilder.php	14.89 KB	-rw-rw-r--	2022-07-20 13:00
ButtonTypeInterface.php	462 B	-rw-rw-r--	2022-07-20 13:00
CHANGELOG.md	29.84 KB	-rw-rw-r--	2022-07-20 13:00
CallbackTransformer.php	1012 B	-rw-rw-r--	2022-07-20 13:00
ClearableErrorsInterface.php	640 B	-rw-rw-r--	2022-07-20 13:00
ClickableInterface.php	522 B	-rw-rw-r--	2022-07-20 13:00
DataAccessorInterface.php	2.26 KB	-rw-rw-r--	2022-07-20 13:00
DataMapperInterface.php	2.37 KB	-rw-rw-r--	2022-07-20 13:00
DataTransformerInterface.php	3.71 KB	-rw-rw-r--	2022-07-20 13:00
FileUploadError.php	338 B	-rw-rw-r--	2022-07-20 13:00
Form.php	37.92 KB	-rw-rw-r--	2022-07-20 13:00
FormBuilder.php	7.22 KB	-rw-rw-r--	2022-07-20 13:00
FormBuilderInterface.php	2.02 KB	-rw-rw-r--	2022-07-20 13:00
FormConfigBuilder.php	18.98 KB	-rw-rw-r--	2022-07-20 13:00
FormConfigBuilderInterface.php	6.89 KB	-rw-rw-r--	2022-07-20 13:00
FormConfigInterface.php	5.83 KB	-rw-rw-r--	2022-07-20 13:00
FormError.php	3.24 KB	-rw-rw-r--	2022-07-20 13:00
FormErrorIterator.php	8.14 KB	-rw-rw-r--	2022-07-20 13:00
FormEvent.php	1.12 KB	-rw-rw-r--	2022-07-20 13:00
FormEvents.php	4.02 KB	-rw-rw-r--	2022-07-20 13:00
FormExtensionInterface.php	1.48 KB	-rw-rw-r--	2022-07-20 13:00
FormFactory.php	3.85 KB	-rw-rw-r--	2022-07-20 13:00
FormFactoryBuilder.php	4.12 KB	-rw-rw-r--	2022-07-20 13:00
FormFactoryBuilderInterface.php	2.3 KB	-rw-rw-r--	2022-07-20 13:00
FormFactoryInterface.php	3.15 KB	-rw-rw-r--	2022-07-20 13:00
FormInterface.php	9.58 KB	-rw-rw-r--	2022-07-20 13:00
FormRegistry.php	4.7 KB	-rw-rw-r--	2022-07-20 13:00
FormRegistryInterface.php	1.19 KB	-rw-rw-r--	2022-07-20 13:00
FormRenderer.php	11.88 KB	-rw-rw-r--	2022-07-20 13:00
FormRendererEngineInterface.php	6.08 KB	-rw-rw-r--	2022-07-20 13:00
FormRendererInterface.php	3.07 KB	-rw-rw-r--	2022-07-20 13:00
FormTypeExtensionInterface.php	1.45 KB	-rw-rw-r--	2022-07-20 13:00
FormTypeGuesserChain.php	2.76 KB	-rw-rw-r--	2022-07-20 13:00
FormTypeGuesserInterface.php	1.49 KB	-rw-rw-r--	2022-07-20 13:00
FormTypeInterface.php	2.65 KB	-rw-rw-r--	2022-07-20 13:00
FormView.php	3.75 KB	-rw-rw-r--	2022-07-20 13:00
Forms.php	2.73 KB	-rw-rw-r--	2022-07-20 13:00
LICENSE	1.04 KB	-rw-rw-r--	2022-07-20 13:00
NativeRequestHandler.php	7.53 KB	-rw-rw-r--	2022-07-20 13:00
PreloadedExtension.php	2.06 KB	-rw-rw-r--	2022-07-20 13:00
README.md	483 B	-rw-rw-r--	2022-07-20 13:00
RequestHandlerInterface.php	796 B	-rw-rw-r--	2022-07-20 13:00
ResolvedFormType.php	5.74 KB	-rw-rw-r--	2022-07-20 13:00
ResolvedFormTypeFactory.php	658 B	-rw-rw-r--	2022-07-20 13:00
ResolvedFormTypeFactoryInterface.php	1.17 KB	-rw-rw-r--	2022-07-20 13:00
ResolvedFormTypeInterface.php	2.21 KB	-rw-rw-r--	2022-07-20 13:00
ReversedTransformer.php	1.03 KB	-rw-rw-r--	2022-07-20 13:00
SubmitButton.php	1.18 KB	-rw-rw-r--	2022-07-20 13:00
SubmitButtonBuilder.php	613 B	-rw-rw-r--	2022-07-20 13:00
SubmitButtonTypeInterface.php	474 B	-rw-rw-r--	2022-07-20 13:00
composer.json	2.41 KB	-rw-rw-r--	2022-07-20 13:00

Rename

<?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\BadMethodCallException;
use Symfony\Component\Form\Exception\InvalidArgumentException;
use Symfony\Component\Form\Exception\LogicException;
use Symfony\Component\Form\Exception\OutOfBoundsException;
use Symfony\Component\Validator\ConstraintViolation;

/**
 * Iterates over the errors of a form.
 *
 * This class supports recursive iteration. In order to iterate recursively,
 * pass a structure of {@link FormError} and {@link FormErrorIterator} objects
 * to the $errors constructor argument.
 *
 * You can also wrap the iterator into a {@link \RecursiveIteratorIterator} to
 * flatten the recursive structure into a flat list of errors.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 *
 * @template T of FormError|FormErrorIterator
 *
 * @implements \ArrayAccess<int, T>
 * @implements \RecursiveIterator<int, T>
 * @implements \SeekableIterator<int, T>
 */
class FormErrorIterator implements \RecursiveIterator, \SeekableIterator, \ArrayAccess, \Countable
{
    /**
     * The prefix used for indenting nested error messages.
     */
    public const INDENTATION = '    ';

private $form;

/**
     * @var list<T>
     */
    private $errors;

/**
     * @param list<T> $errors
     *
     * @throws InvalidArgumentException If the errors are invalid
     */
    public function __construct(FormInterface $form, array $errors)
    {
        foreach ($errors as $error) {
            if (!($error instanceof FormError || $error instanceof self)) {
                throw new InvalidArgumentException(sprintf('The errors must be instances of "Symfony\Component\Form\FormError" or "%s". Got: "%s".', __CLASS__, get_debug_type($error)));
            }
        }

$this->form = $form;
        $this->errors = $errors;
    }

/**
     * Returns all iterated error messages as string.
     *
     * @return string
     */
    public function __toString()
    {
        $string = '';

foreach ($this->errors as $error) {
            if ($error instanceof FormError) {
                $string .= 'ERROR: '.$error->getMessage()."\n";
            } else {
                /* @var self $error */
                $string .= $error->getForm()->getName().":\n";
                $string .= self::indent((string) $error);
            }
        }

return $string;
    }

/**
     * Returns the iterated form.
     *
     * @return FormInterface
     */
    public function getForm()
    {
        return $this->form;
    }

/**
     * Returns the current element of the iterator.
     *
     * @return T An error or an iterator containing nested errors
     */
    #[\ReturnTypeWillChange]
    public function current()
    {
        return current($this->errors);
    }

/**
     * Advances the iterator to the next position.
     */
    #[\ReturnTypeWillChange]
    public function next()
    {
        next($this->errors);
    }

/**
     * Returns the current position of the iterator.
     *
     * @return int
     */
    #[\ReturnTypeWillChange]
    public function key()
    {
        return key($this->errors);
    }

/**
     * Returns whether the iterator's position is valid.
     *
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function valid()
    {
        return null !== key($this->errors);
    }

/**
     * Sets the iterator's position to the beginning.
     *
     * This method detects if errors have been added to the form since the
     * construction of the iterator.
     */
    #[\ReturnTypeWillChange]
    public function rewind()
    {
        reset($this->errors);
    }

/**
     * Returns whether a position exists in the iterator.
     *
     * @param int $position The position
     *
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function offsetExists($position)
    {
        return isset($this->errors[$position]);
    }

/**
     * Returns the element at a position in the iterator.
     *
     * @param int $position The position
     *
     * @return T
     *
     * @throws OutOfBoundsException If the given position does not exist
     */
    #[\ReturnTypeWillChange]
    public function offsetGet($position)
    {
        if (!isset($this->errors[$position])) {
            throw new OutOfBoundsException('The offset '.$position.' does not exist.');
        }

return $this->errors[$position];
    }

/**
     * Unsupported method.
     *
     * @return void
     *
     * @throws BadMethodCallException
     */
    #[\ReturnTypeWillChange]
    public function offsetSet($position, $value)
    {
        throw new BadMethodCallException('The iterator doesn\'t support modification of elements.');
    }

/**
     * Unsupported method.
     *
     * @return void
     *
     * @throws BadMethodCallException
     */
    #[\ReturnTypeWillChange]
    public function offsetUnset($position)
    {
        throw new BadMethodCallException('The iterator doesn\'t support modification of elements.');
    }

/**
     * Returns whether the current element of the iterator can be recursed
     * into.
     *
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function hasChildren()
    {
        return current($this->errors) instanceof self;
    }

/**
     * @return self
     */
    #[\ReturnTypeWillChange]
    public function getChildren()
    {
        if (!$this->hasChildren()) {
            trigger_deprecation('symfony/form', '5.4', 'Calling "%s()" if the current element is not iterable is deprecated, call "%s" to get the current element.', __METHOD__, self::class.'::current()');
            // throw new LogicException(sprintf('The current element is not iterable. Use "%s" to get the current element.', self::class.'::current()'));
        }

/** @var self $children */
        $children = current($this->errors);

return $children;
    }

/**
     * Returns the number of elements in the iterator.
     *
     * Note that this is not the total number of errors, if the constructor
     * parameter $deep was set to true! In that case, you should wrap the
     * iterator into a {@link \RecursiveIteratorIterator} with the standard mode
     * {@link \RecursiveIteratorIterator::LEAVES_ONLY} and count the result.
     *
     *     $iterator = new \RecursiveIteratorIterator($form->getErrors(true));
     *     $count = count(iterator_to_array($iterator));
     *
     * Alternatively, set the constructor argument $flatten to true as well.
     *
     *     $count = count($form->getErrors(true, true));
     *
     * @return int
     */
    #[\ReturnTypeWillChange]
    public function count()
    {
        return \count($this->errors);
    }

/**
     * Sets the position of the iterator.
     *
     * @param int $position The new position
     *
     * @return void
     *
     * @throws OutOfBoundsException If the position is invalid
     */
    #[\ReturnTypeWillChange]
    public function seek($position)
    {
        if (!isset($this->errors[$position])) {
            throw new OutOfBoundsException('The offset '.$position.' does not exist.');
        }

reset($this->errors);

while ($position !== key($this->errors)) {
            next($this->errors);
        }
    }

/**
     * Creates iterator for errors with specific codes.
     *
     * @param string|string[] $codes The codes to find
     *
     * @return static
     */
    public function findByCodes($codes)
    {
        $codes = (array) $codes;
        $errors = [];
        foreach ($this as $error) {
            $cause = $error->getCause();
            if ($cause instanceof ConstraintViolation && \in_array($cause->getCode(), $codes, true)) {
                $errors[] = $error;
            }
        }

return new static($this->form, $errors);
    }

/**
     * Utility function for indenting multi-line strings.
     */
    private static function indent(string $string): string
    {
        return rtrim(self::INDENTATION.str_replace("\n", "\n".self::INDENTATION, $string), ' ');
    }
}