59 lines
1.1 KiB
PHP
59 lines
1.1 KiB
PHP
<?php
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/*
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* This file is part of Respect/Stringifier.
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*
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* (c) Henrique Moody <henriquemoody@gmail.com>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file 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\Stringifier\Stringifiers;
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use function is_float;
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use function is_infinite;
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use Respect\Stringifier\Quoter;
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use Respect\Stringifier\Stringifier;
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/**
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* Converts an infinite float value into a string.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class InfiniteStringifier implements Stringifier
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{
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/**
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* @var Quoter
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*/
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private $quoter;
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/**
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* Initializes the stringifier.
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*
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* @param Quoter $quoter
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*/
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public function __construct(Quoter $quoter)
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{
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$this->quoter = $quoter;
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}
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/**
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* {@inheritdoc}
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*/
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public function stringify($raw, int $depth): ?string
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{
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if (!is_float($raw)) {
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return null;
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}
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if (!is_infinite($raw)) {
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return null;
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}
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return $this->quoter->quote(($raw > 0 ? '' : '-').'INF', $depth);
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}
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}
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