112 lines
2.5 KiB
PHP
112 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the LICENSE file
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* that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use Respect\Validation\Exceptions\ValidationException;
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use Respect\Validation\Validatable;
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use Throwable;
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use function call_user_func;
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use function restore_error_handler;
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use function set_error_handler;
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/**
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* Validates the return of a callable for a given input.
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*
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* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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* @author Emmerson Siqueira <emmersonsiqueira@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Call extends AbstractRule
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{
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/**
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* @var callable
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*/
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private $callable;
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/**
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* @var Validatable
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*/
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private $rule;
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/**
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* Initializes the rule with the callable to be executed after the input is passed.
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*/
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public function __construct(callable $callable, Validatable $rule)
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{
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$this->callable = $callable;
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$this->rule = $rule;
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}
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/**
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* {@inheritDoc}
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*/
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public function assert($input): void
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{
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$this->setErrorHandler($input);
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try {
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$this->rule->assert(call_user_func($this->callable, $input));
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} catch (ValidationException $exception) {
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throw $exception;
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} catch (Throwable $throwable) {
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throw $this->reportError($input);
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} finally {
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restore_error_handler();
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}
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}
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/**
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* {@inheritDoc}
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*/
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public function check($input): void
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{
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$this->setErrorHandler($input);
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try {
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$this->rule->check(call_user_func($this->callable, $input));
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} catch (ValidationException $exception) {
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throw $exception;
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} catch (Throwable $throwable) {
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throw $this->reportError($input);
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} finally {
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restore_error_handler();
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}
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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try {
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$this->check($input);
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} catch (ValidationException $exception) {
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return false;
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}
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return true;
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}
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/**
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* @param mixed $input
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*/
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private function setErrorHandler($input): void
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{
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set_error_handler(function () use ($input): void {
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throw $this->reportError($input);
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});
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}
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}
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