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ab3732f91f
SPDX IDs are shorter than licensing notes previously used, and adhere better to FOSS standards. It is also machine-readable.
87 lines
1.9 KiB
PHP
87 lines
1.9 KiB
PHP
<?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\Rules;
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use Respect\Validation\Exceptions\ComponentException;
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use function array_keys;
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use function gettype;
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use function implode;
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use function is_callable;
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use function sprintf;
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/**
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* Validates the type of input.
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*
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* @author Gabriel Caruso <carusogabriel34@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Paul Karikari <paulkarikari1@gmail.com>
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*/
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final class Type extends AbstractRule
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{
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/**
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* Collection of available types for validation.
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*
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*/
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private const AVAILABLE_TYPES = [
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'array' => 'array',
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'bool' => 'boolean',
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'boolean' => 'boolean',
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'callable' => 'callable',
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'double' => 'double',
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'float' => 'double',
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'int' => 'integer',
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'integer' => 'integer',
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'null' => 'NULL',
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'object' => 'object',
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'resource' => 'resource',
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'string' => 'string',
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];
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/**
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* Type to validate input against.
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*
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* @var string
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*/
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private $type;
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/**
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* Initializes the rule.
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*
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* @throws ComponentException When $type is not a valid one
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*/
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public function __construct(string $type)
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{
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if (!isset(self::AVAILABLE_TYPES[$type])) {
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throw new ComponentException(
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sprintf(
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'"%s" is not a valid type (Available: %s)',
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$type,
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implode(', ', array_keys(self::AVAILABLE_TYPES))
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)
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);
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}
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$this->type = $type;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($this->type === 'callable') {
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return is_callable($input);
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}
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return self::AVAILABLE_TYPES[$this->type] === gettype($input);
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}
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}
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