86 lines
1.7 KiB
PHP
86 lines
1.7 KiB
PHP
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<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Exceptions;
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use ArrayIterator;
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use Countable;
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use RecursiveIterator;
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use UnexpectedValueException;
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/**
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* @author Henrique Moody <henriquemoody@gmail.com>
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*
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* @implements RecursiveIterator<int, ValidationException>
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*/
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final class RecursiveExceptionIterator implements RecursiveIterator, Countable
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{
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/**
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* @var ArrayIterator|ValidationException[]
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*/
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private $exceptions;
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public function __construct(NestedValidationException $parent)
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{
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$this->exceptions = new ArrayIterator($parent->getChildren());
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}
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public function count(): int
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{
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return $this->exceptions->count();
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}
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public function hasChildren(): bool
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{
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if (!$this->valid()) {
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return false;
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}
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return $this->current() instanceof NestedValidationException;
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}
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public function getChildren(): self
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{
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$exception = $this->current();
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if (!$exception instanceof NestedValidationException) {
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throw new UnexpectedValueException();
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}
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return new static($exception);
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}
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/**
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* @return ValidationException|NestedValidationException
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*/
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public function current(): ValidationException
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{
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return $this->exceptions->current();
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}
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public function key(): int
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{
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return $this->exceptions->key();
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}
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public function next(): void
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{
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$this->exceptions->next();
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}
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public function rewind(): void
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{
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$this->exceptions->rewind();
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}
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public function valid(): bool
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{
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return $this->exceptions->valid();
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}
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}
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