Current File : /var/www/prestashop/modules/ps_metrics/vendor/friendsofphp/php-cs-fixer/src/FileReader.php
<?php

declare (strict_types=1);
/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */
namespace ps_metrics_module_v4_0_6\PhpCsFixer;

/**
 * File reader that unify access to regular file and stdin-alike file.
 *
 * Regular file could be read multiple times with `file_get_contents`, but file provided on stdin cannot.
 * Consecutive try will provide empty content for stdin-alike file.
 * This reader unifies access to them.
 *
 * @internal
 */
final class FileReader
{
    /**
     * @var null|string
     */
    private $stdinContent;
    public static function createSingleton() : self
    {
        static $instance = null;
        if (!$instance) {
            $instance = new self();
        }
        return $instance;
    }
    public function read(string $filePath) : string
    {
        if ('php://stdin' === $filePath) {
            if (null === $this->stdinContent) {
                $this->stdinContent = $this->readRaw($filePath);
            }
            return $this->stdinContent;
        }
        return $this->readRaw($filePath);
    }
    private function readRaw(string $realPath) : string
    {
        $content = @\file_get_contents($realPath);
        if (\false === $content) {
            $error = \error_get_last();
            throw new \RuntimeException(\sprintf('Failed to read content from "%s".%s', $realPath, $error ? ' ' . $error['message'] : ''));
        }
        return $content;
    }
}